JP3007817B2 - Floor wiring equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor wiring device.

[0002]

2. Description of the Related Art Conventionally, when constructing an intelligent building, one of the important issues is how to access office wiring safely and in an attractive manner. For this purpose, a free access floor is used. The surface is a double floor, and the space between them is used as a wiring space. As an example thereof, there is known a type in which wiring is performed using wiring grooves provided on a floor panel of a type laid on a floor, and electric wires and electric wires are taken out from the floor through various outlets. Further, for example, as in Japanese Utility Model Publication No. 5-39143, a wiring groove orthogonal to a cross is formed in the center of a square floor panel, and an opening above the wiring groove is removably covered with a lid. It is known that the bottom plate portion of the wiring groove is formed to be thin so that unevenness (unevenness) of the floor slab can be absorbed by the bottom plate portion.

[0003]

However, since the conventional floor panel is constructed by laying, the construction is simple.
When the bottom plate portion is made thin, there is a merit of absorbing irregularities of the slab floor, but flatness of the portion receiving the lid on the surface is lost and rattling occurs. In other words, the flatness of the floor slab is absorbed as it is, so the parallelism between the floor panel and the lid of the wiring groove cannot be maintained, and rattling noise is generated when walking, preventing rattling on the back of the lid. It is necessary to attach a cushioning material or the like, which is costly. In addition, since the floor slab's irregularities are absorbed by the bottom plate of the wiring groove, if a load is applied from above the lid, the grooved unit will deform in the direction in which the wiring groove expands, and the lid will fall off or slip Or worry about it.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to prevent a floor slab from absorbing irregularities in a bottom plate portion of a wiring groove so that the lid may fall off or slip. It is another object of the present invention to provide a floor wiring device which prevents the above-mentioned problem and at the same time absorbs unevenness in other portions to maintain the parallelism between the top plate of the unit with the top plate and the lid of the unit with the groove.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a unit 4 with a top plate having legs 6 suspended from the surface of a top plate 5, and an upper portion having legs 8 on both sides. And a grooved unit 7 having a lid 9 removably attached to the opening of the wiring groove, and a top plate-mounted unit 4 and an upper part of the grooved unit 7. Are connected to each other by a thin portion 12, and a leg 8 is provided below the leg 8 of the grooved unit body 7.
A bottom plate portion 23 for connecting the bottom plate portions to each other is provided.
3 is characterized in that it is set to be thicker than the thickness of the constituent members constituting the legs 6 and 8.

The thin portion 12 is formed to have a substantially U-shaped cross section,
It is preferable that both ends of the thin portion 12 are integrally connected to the lower surfaces of the side ends of the unit bodies 4 and 7. It is preferable to provide a small projection 13 at the butting portion of each of the unit bodies 4 and 7, and to form a narrow groove portion 17 for laying the electric wire 15 between the butting portions. A ring-shaped corner connector 100 extending between corner portions of the plurality of unit bodies 4 and 7 which abut each other.
The fitting groove 101 in which the
Is preferably formed of a ring-shaped main body 103 having a positioning projection 102 fitted into the fitting groove 101, and a flexible portion 104 formed on a part of the ring-shaped main body 103 in the circumferential direction. .

The lower surface of the bottom plate portion 23 of the grooved unit 7 is located above the lower end surface of each of the legs 6, 8.
a is preferred. A plurality of mounting holes 25 and 26 having different hole diameters are formed in the bottom plate portion 23, and the mounting holes 2 having a small diameter are formed.
5 is a connection hole for a wiring connector, and a mounting hole 26 having a large diameter is used.
Is preferably a hole for attaching the bottom plate portion 23 to the floor slab 51.

Preferably, a plurality of openings 21 are provided on the side surfaces of the legs 8 of the grooved unit 7 so as to face the wiring grooves 2. It is preferable to provide a plurality of openings 90 on the upper surface of the leg 8 of the grooved unit 7 so as to face the wiring groove 2. It is preferable that a plurality of the grooved units 7 are arranged so as to cross the wiring grooves 2 vertically and horizontally, and that a mounting portion of a wiring connector is provided at the intersection 2a of the wiring grooves 2 vertically and horizontally.

A step is provided at the upper edge of the leg 8 of the grooved unit 7 to form receiving portions 55 and 56 of the lid 9, and extends vertically below the receiving portion 56 so as to extend for wiring. Groove bottom plate 23
A plurality of ribs 57 extending from
It is preferable that ribs 58 are provided vertically on the lower surface side of the lid 9 at positions corresponding to the plurality of ribs 57. It is preferable to provide a mark line 110 for indicating the laying position of a floor finishing material such as a tile carpet 200 laid on the floor panel 1 on the top plate 5, 50 of each of the unit bodies 4, 7.

[0010]

According to the present invention, there are provided a top plate-equipped unit body 4 having legs 6 hanging down from the surface of the top plate 5, and a wiring groove 2 which is open upward and has legs 8 on both sides. A grooved unit 7 having a lid 9 removably attached to the opening of the wiring groove 2 is provided. The top unit 4 with the top plate and the upper part of the grooved unit 7 are connected to each other by a thin portion 12, and Leg 8 of grooved unit 7
A bottom plate portion 23 for connecting the leg portions 8 to each other is provided at a lower portion of the floor slab. The thickness of the bottom plate portion 23 is set to be larger than the thickness of the constituent members constituting the leg portions 6 and 8, so that the floor slab 51 absorbs unevenness. Is secured by the thin portion 12 on the surface of each of the unit bodies 4 and 7 and is not absorbed by the bottom plate portion 23 of the wiring groove 2, so that the conventional wiring groove 2 is spread. 9 is prevented from dropping or shifting, and at the same time, the parallelism between the top plate 5 of the unit body 4 with the top plate and the lid 9 of the grooved unit body 7 is maintained by absorbing unevenness by the thin-walled portion 12, and the floor is finished. Even if the accuracy is low, there is no possibility that the lid 9 will rattle or come off.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. In the present embodiment, as shown in FIG. 2, a groove floor panel 1 of a free access floor laying type, in which wiring grooves 2 are formed so as to extend vertically and horizontally on the entire floor or a part of the room, Is a floor wiring apparatus provided with a rectangular wiring floor panel 1 having the same surface height. In FIG. 2, reference numeral 60 denotes a power distribution room.

The wiring floor panel 1 is constructed by arranging a plurality of floor units 3 shown in FIGS. Each floor unit 3 is divided into a total of 9 blocks, each in three rows and columns, and four top-mounted unit bodies 4 are arranged in four corner blocks.
The unit 4 with a top plate is configured such that legs 6 are respectively suspended from four corners of the lower surface of the top plate 5. In the center cross-shaped block, five grooved unit bodies 7 are provided. The five grooved units 7 are divided into a unit arranged at the center of the intersection 2a and a unit arranged in a cross shape from the intersection 2a. The wiring groove 2 is provided with an upper opening, which is a leg portion 8. A lid 9 is detachably attached to the opening of the wiring groove 2, and a bottom plate portion 23 is provided at a lower portion. By arranging the plurality of grooved units 7 in a vertical and horizontal lattice, the wiring grooves 2 can be formed in a vertical and horizontal lattice at a constant pitch.

The lid 9 of the wiring groove 2 is made of a transparent or translucent material so that the inside of the wiring groove 2 can be seen through from above. In the free access floor, one of the important issues is that the wiring can be easily changed.
If the lid 9 is simply closed, the wiring state in the wiring groove 2 cannot be determined, and when replacing the wiring, it is not possible to know where the connected equipment is. Therefore, all the lids 9 of the wiring groove 2 around the wiring are also removed. There must be. Therefore, the lid 9 is formed of a transparent or translucent material so that the user can see at a glance where the connection device is.

As shown in FIGS. 4 and 7, the lid 9 is composed of a cross cover portion 10 attached to the vertical and horizontal intersections 2a and a straight cover portion 11 attached to the groove 2b other than the intersection 2a. The four straight cover portions 11 have the same size, and the size of one side of the cross cover portion 10 is the same as the size of one side of the straight cover portion 11 in the lateral direction. Further, the top plate 5 of the unit 4 with a top plate is formed in a square shape having the same dimension as the vertical dimension of the straight cover portion 11. In the present embodiment, the side L is set to about 165 mm, and one side L ₃ of the floor unit 3 is set to about 500 mm, and a plurality of these floor units 3 are arranged so that the wiring grooves 2 of the grooved unit 7 cross vertically and horizontally. Thus, the wiring floor panel 1 is formed.

Here, as shown in FIGS. 3, 11 to 14, the top plates 5 of the unit body 4 with the top plate and the top plate 50 of the leg 8 of the top plate 5 and the grooved unit body 7, Further, the top plates 50 of the grooved unit 7 are connected to each other via the thin portion 12. The thin portion 12 has a substantially U-shaped cross section.
Both ends of the thin portion 12 are top plates 5, 5 of the unit bodies 4, 7, respectively.
0 is integrally connected to the lower surface of the side end. In the present embodiment, the floor unit 3 is divided into nine blocks, which are continuously formed at the thin portions 12 and integrally formed, and a uniform gap G is secured between the unit bodies 4 and 7. The gap G can be used as a wiring storage space (narrow groove portion 17) as described later when the information wire 16 is pulled up on the floor from a position other than the cross-shaped wiring groove 2 and tiles are formed from above. If it is finished with a carpet, the wiring 16 can be wired without being exposed to the floor to a desired position, and without projecting the top plates 5 and 50 from the floor.

When the cross cover portion 10 and the straight cover portion 11 are separated from each other, the construction is troublesome and the production cost is high. In some cases, the lid 9 is adhered to the back of the tile carpet with a double-sided tape or the like. In this case, the lid 9 must be fitted to the panel in a place that cannot be seen from the surface, which is important for system products. There is a problem that the construction quality is deteriorated,
In this embodiment, as shown in FIG.
Since the and the straight cover portion 11 are integrally formed with the thin portion 12 interposed therebetween, such a problem does not occur, and the cross cover portion 10 and the straight cover portion 11 can be easily removed.

As shown in FIG. 12, the thin portion 12 is provided with small projections 13 at the butting portions of the unit bodies 4 and 7, and an information wire 16 (FIG. 3) is provided between the butting portions.
Is formed in a narrow groove portion 17 for crawling. The small projections 13 are for fixing the electric wires 16 to secure electrical safety. Therefore, by laying the electric wire 16 along the narrow groove portion 17 shown in FIG. 3, the electric wire 16 can be pulled out from the portion other than the wiring groove 2 onto the floor, and the flexibility of the electric wire drawing is improved.

Further, the small projections 13 are located on each side of the top plates 5, 50 of the unit bodies 4, 7, respectively.
6, like the thin portion 12, the electric wire 16 to be wired is stepped down so as not to protrude above the top plates 5, 50, and the protruding dimension M is the width dimension of the thin portion 12. The dimensions are set to approximately half, so that the small projections 13
Can be matched in the range of the width of the thin portion 12, and the gap G of the thin portion 12 can be made the same size.
As shown in FIG. 15, even between the adjacent floor units 3, a gap G having the same size as the gap G between the cross cover portion 10 and the straight cover portion 11 is formed. The cover 9 can also be secured between the thin cover 12 and the straight cover portion 11 of the cross cover portion 10.
Can be freely separated and inverted. Also,
Below the small projections 13, reinforcing ribs 20 (FIG. 16) are provided to also prevent the unit units 4 and 7 from climbing over, so that good finish and safety are ensured. In this way, a narrow groove portion 17 for laying the electric wire 16 can be secured in a part slightly lower than the surface of the mutual abutting surfaces of the unit bodies 4 and 7, and the lid 9 can be arranged symmetrically, in which direction and which direction. The floor unit 3 can be freely set at the position, and the gap G between adjacent panels can be kept constant as shown in FIG.
A gap G can be provided at the side edges of the unit bodies 4, 7 over the entire circumference of the top plates 5, 50.

The thin portion 12 is formed by a slit groove having a V-shaped cross section provided at the center of the thick portion as shown in FIG. 14, for example. It can be easily cut at the position.
Further, if the lid 9 is made of a steel plate with respect to the unevenness of the floor slab 51, the looseness of the lid 9 is likely to occur, so that the unevenness can be absorbed by adopting a flexible shape. Has become. In addition, the connecting position of the thin portion 12 for forming the cross cover portion 10 and the straight cover portion 11 of the lid 9 into an integral shape is set to two places each, and by arranging them near the end, the overall balance and strength are achieved. Is secured. Thin part 1
2, the cross cover portion 10 and the other straight cover portion 11 can also be removed, and the cost can be reduced to one shot rather than being manufactured separately.
It leads to cost reduction. Furthermore, by forming the cross cover portion 10 and the straight cover portion 11 integrally with the thin portion 12, the manufacturing cost of the lid 9 can be reduced, and when wiring is performed, it has conventionally been necessary to perform five attaching / detaching operations. ,
In the present embodiment, a single attachment / detachment operation is sufficient, and the connection structure can absorb the unevenness of the floor, so that even if the floor finishing accuracy is poor, rattling, separation and the like do not occur. When the lid 9 is to be used alone, the connecting structure is such that the thin portion 12 can be easily cut with a cutter or the like, so that the construction speed is increased.

Further, the lid 9 of the grooved unit 7 is shown in FIG.
As shown in FIG. 24, a semicircular cutout 52 is formed at one side end of the cross cover portion 10 and the straight cover portion 11.
Are formed, and one side edge opposite to the side edge where the notch 52 is provided is a non-notch 53 without the notch 52, respectively.
And the butted state of the cross cover portion 10 and the straight cover portion 11 such that the notches 52 face each other,
The abutting state of the cross cover portion 10 and the straight cover portion 11 where the notch portion 52 and the non-notch portion 53 face each other can be freely selected.

Conventionally, as shown in FIG. 43 (a), a lid 9 in a grooved wiring system on a free access floor is used.
When the wiring is not performed, a lid 9 'having no notch 52 is attached in advance, and when a wire is required, the lid 9' is replaced with a lid 9 having another notch 52. For this reason, in the case of forming a round hole, the wiring is frequently changed, so that in an office or the like, the construction takes time and costs. Also, as shown in FIG.
There is a case where the cross cover portion 10 does not have the cutout portion 52 and only the straight cover portion 11 is provided with the cutout portion 52 having a U-shaped cross section. In this case, at the time of passing a wire, a replacement as shown in FIG. It seems that there is no necessity and workability is good.
It is necessary to make the size of the letter-shaped hole larger than that. The heel of the high heels worn by women, which is about φ10, fits into an oblong hole that is not connected to the heel, or the heel is tilted and falls. There is a problem. In particular, since the free access floor is laid on the floor surface and is often laid on the floor of the office, the fitting of the heel of the high heel is an extremely important issue.

In this embodiment, as shown in FIGS. 22 to 24, the cross cover 10 and the straight cover 1
A notch 52 is provided at an end of one side, and the four straight covers 11 are of the same size.
Has the same dimension as the short dimension of the straight cover portion 11 so as to correspond to the straight cover portion 11. Further, the cross cover portion 10 has a symmetrical dimension that can be reversed in four directions at the cross-shaped intersection 2a of the wiring groove 2, and the straight cover portion 11 has a length of a groove other than the intersection 2a of the wiring groove 2. It is a symmetrical dimension that can be reversed in two directions. A semicircular cutout 52 is provided at two places on one side end of the cross cover section 10 and the straight cover section 11 in the longitudinal direction, and the other side end is a non-cutout section without the cutout section 52. 53. Here, the notch 52 is formed in a semicircular shape, and the wire is passed only at the position where the two notches 52 are abutted, so that the wire and the wiring can be freely taken out from any position on the floor surface. Becomes That is,
By inverting and rotating the straight cover portion 11 and the cross cover portion 10 anywhere on the floor surface, it is possible to form a round hole of a predetermined size anywhere, and this round hole can be used for passing a wire. In addition, when the grooved unit 7 is continuously laid on the floor surface, as shown in FIG. 24, the lids 9 are continuously laid, so that the notches 52 between the straight cover portions 11 of the adjacent lids 9. Can form a round hole for communication. At this time, when wiring such as the OA tap 300 is taken out from the floor surface, a round hole for a wire can be formed by inverting the straight cover portion 11 in the hatched portion as shown in FIG. Notch 52 and non-notch 5
3 is a semi-circular hole at the position where it is abutted, so that the heel of the high heel can be prevented from dropping even when no wire is passed through the hole. In addition, since a round hole can be formed at any position on the floor surface by turning or reversing the cross cover portion 10 or the straight cover portion 11 at the time of passing a wire, another cross cover portion 10 or straight cover portion 11 can be formed.
No replacement repair parts are required, no additional parts are required, and replacement can be avoided. In addition, even when wiring is no longer needed, the cross cover 10 and the straight cover 11 can be easily returned to the original state simply by turning and rotating the cross cover 10 and the straight cover 11.

The wiring groove 2 of the grooved unit 7 has
As shown in FIGS. 3 and 10, an opening 21 is provided in the side surface portion, and the electric wire 16 can be routed between the adjacent vertical and horizontal wiring grooves 2 via the opening 21. Further, weak wires such as a power supply line and an information line can be wired inside the wiring groove 2, and are taken out on the floor by various outlets.

As shown in FIG. 1, a bottom plate portion 23 for connecting the lower portions of the leg portions 8 to each other is provided below the wiring groove 2, and the thickness D ₁ of the bottom plate portion 23 constitutes the leg portion 8. The thickness of the grooved unit 7 is set to be larger than the thickness D ₂ of the component member to be bent, and the entire grooved unit 7 is not bent by the unevenness of the floor slab 51. Is formed as a step surface 23a. by the way,
When the bottom plate portion 23 is made thin, there is a merit of absorbing the unevenness of the floor slab 51, but the flatness of the surface receiving the cover 9 is lost, and rattling occurs. In other words, floor slab 5
Since the unevenness of 1 is absorbed as it is, the parallelism between the floor panel and the lid 9 of the wiring groove 2 cannot be maintained, and the lid 9 rattles when walking. It is necessary to attach a cushioning material or the like in order to prevent the occurrence of a problem, which increases the cost. Further, since the unevenness of the floor slab 51 is absorbed by the bottom plate portion 23 of the wiring groove 2, when a load is applied from above the lid 9, the grooved unit 7 is deformed in a direction in which the wiring groove 2 expands, and There is a concern that 9 may fall off or slip. Therefore, in the present embodiment, absorption of unevenness of the floor slab 51 is ensured by the thin portion 12 on the surface of each of the units 4 and 7, and the bottom plate 23 of the wiring groove 2 is connected to the leg of the grooved unit 7. 8 is made thicker than the constituent members of the bottom plate portion 23,
So it is not absorbed. It is needless to say that the lower surface of the bottom plate 23 may not be the step surface 23a but the lower surface of the bottom plate 23 may be formed on the same surface as the lower end surface of the leg 8.

Accordingly, it is possible to prevent the lid 9 from falling off or being displaced due to the widening of the wiring groove 2 as in the prior art, and at the same time, to absorb the unevenness by the thin portion 12 and the top plate 5 of the unit body with the top plate and the groove. The parallelism of the attached unit body 7 with the top plate 50 and the lid 9 is maintained. Conventionally, the wiring groove 2 itself does not have a function of attaching a wiring connector, but in the present embodiment, the bottom plate portion 23 of the wiring groove 22 is provided as shown in FIG. A plurality of mounting holes 25 and 26 having different hole diameters
Are drilled, the small-diameter mounting hole 25 is used as a connection hole for the wiring connector, and the large-diameter mounting hole 26 is used as the floor slab 5.
1 as holes for attaching the bottom plate portion 23 to the base plate 1.

The top plate 50 of the leg 8 of the grooved unit body 7
As shown in FIGS. 25 to 30, a step is provided at the side end of the cover 9 to form receiving portions 55, 56 of the lid 9.
6 extends vertically to the lower surface side of the bottom surface portion 6 of the wiring groove 2.
A plurality of ribs 57 extending from
Ribs 58 may be provided vertically at positions corresponding to the plurality of ribs 57 on the lower surface side of the lid 9. Conventionally, as shown in FIGS. 44 to 46, the cross cover portion 10 of the lid 9 receives a plane load at four points, and the straight cover portion 11 receives a plane load with two lines parallel to the length direction. Therefore, a thickness is necessary to obtain strength, and the material cost is high.
That is, the conventional lid 9 can be received by the receiving portion 55 'provided at the side end of the wiring groove 2 as shown in FIG. The receiving portion 55 'is formed of a single step surface, and the lower surface of the side end of the lid 9 is also formed flat.
However, double floors are required to have a low floor and high wiring capacity in order to secure the ceiling height of the office building. In the structure that receives the changed lid 9 on a single surface, there is a problem that if the lid 9 is made thicker, a low floor structure is not obtained, and if the lid 9 is made thinner, the strength is weakened. Also, it was necessary to provide a cushioning material for preventing rattling noise on the entire surface.

Therefore, in this embodiment, the receiving portions 55 and 56 for receiving the lid 9 are, as shown in FIGS.
The lower surface of the lid 9 is supported by the upper receiving portion 55, and the lower surface of the rib 58 projecting from the lower surface of the lid 9 is supported by the lower receiving portion 56. ing. As described above, by forming the receiving portions 55 and 56 of the lid 9 in a two-tiered structure, when a large-capacity wiring needs to be stored in the wiring groove 2, the lid 9 is thinned and the upper-tiered receiving portion is formed. The lid 9 is supported only by the portion 55, and a thin-walled lid 9 in which the material of the lid 9 is changed to a material having a higher strength than the material of the general-purpose cover is prepared, so that a large amount of wiring can be provided. In addition, the lid 9 is usually thickened and the lid 9 is supported by the upper and lower receiving portions 55 and 56, so that the lid 9 is supported at two places with respect to the stepping strength from the floor surface and the load resistance. The structure is such that the cover can be formed of normal, inexpensive materials that are not load-bearing materials.

As shown in FIG. 31 and FIG.
The ribs 58 are projected from the back surface of the cross cover portion 10 and the straight cover portion 11, and the extended portions of the ribs 57 serve as a large number of load receiving points P, which supplement the strength of the lid 9 and secure the strength with a thin wall thickness. I can do it. A plurality of load receiving points P formed on the extension of the rib 57 are each formed at a constant height on a plane, and the receiving portions 5 of the lid 9 of the grooved unit body 7 are formed.
The ribs 58 are also provided with protrusions at the positions of the load receiving points P on the leg portions 8 and 5, so that unlike the conventional example in which the ribs are received on a flat surface, the ribs 58 can withstand the bending against the same load. It is. Thereby, the total weight of the material constituting the lid 9 can be reduced, the material can be reduced, the cost can be reduced, the manufacturing can be performed at low cost, and the load resistance performance against the load from the lid 9 can be efficiently improved. And the rattle between the top plates 5, 50 and the lid 9 caused by uneven floors can be solved without auxiliary members such as cushioning materials.
In addition, in the case of a molded product, a large number of ribs 57, 58
By having a cooling effect, the finish of the molded product becomes beautiful, the manufacturing cycle can be shortened, and since the load is received at multiple points, the load can be efficiently dispersed,
In addition, it is possible to reduce rattling noise even in a place where the floor is uneven.

Here, by arranging the load receiving point P for supporting the load close to the inside, it becomes a more effective means for withstand load. That is, as shown in FIG. 29, the depths of the upper and lower receiving portions 55 and 56 and the contact height of the lid 9 are b = B, and a> A.
By doing so, the contact surfaces at the time of the initial load are the b and B surfaces, and the pitch is small, so that the load bearing performance is large. From the point in time when the load value advances and the amount of deflection exceeds the dimensional difference between the a-dimension and the A-dimension, the two-stage receiving function is exhibited, and the effect that the load-bearing performance is further improved is obtained. By forming the lid 9 in the two-stage receiving structure as described above, the grooved unit body 7 having the lid 9 having high load bearing performance can be configured. When a large-capacity wiring is required in the wiring groove 2, if the lid 9 is made thinner and supported only by the upper receiving portion 55, it is possible to sufficiently cope with the large-capacity wiring. Can be increased.

Further, as shown in FIG. 27, a fitting means 60 for fitting the cover 9 up and down in the vertical direction may be provided along the receiving portions 55 and 56 for receiving the cover 9. The lid 9 is simply placed on a single stepped surface as in the related art, and the lid 9 is easily misaligned. Further, since the free access floor is laid on the floor surface, it becomes a use environment that receives a load from above when walking or moving or installing equipment. As a required quality of the grooved access floor, it is important that the lid 9 is tough against a load from above and that the lid 9 does not shift. It is also important to minimize the buffer sound between the lid 9 and the panel during walking to improve walking feeling.

Therefore, in this embodiment, as shown in FIG.
A concave portion 61 continuous along the wiring groove 2 is provided at a side end of the top plate 50 of the grooved unit body 7, and a convex portion 62 continuous along the longitudinal direction of the lid 9 is provided on the lower surface of the lid 9. The part 62 into the recess 6
1 is fitted from above. In order to secure the strength while reducing the cost by reducing the material of the lid 9,
The top surface is formed flat, and the convex portion 62 is provided on the back surface. The convex portions 62 disperse the load with respect to the compressive load from the top surface of the lid 9, and the load bearing performance is enhanced. That is, the lid 9
When an excessive load is applied from the upper part of the
It is attempted to bend as shown in FIG.
2, the force attracted between the top plates 50 acts, and the lid 9
There is no danger of falling off from the receiving portions 55 and 56, and there is no risk of displacement. Furthermore, the amount of deflection of the lid 9 with respect to the load can be reduced, and the rattling noise between the lid 9 and the top plate 50 can be reduced because the contact area between the convex portion 62 and the concave portion 61 is large.

Further, like the straight cover portion 11, the cross cover portion 10 also has a large number of ribs 58 extending linearly diagonally on the back surface as shown in FIG. As described above, since both the straight cover portion 11 and the cross cover portion 10 have a large number of ribs 58 extended and fitted, the strength of the lid 9 itself is not lost, and the cover 9 can be implemented with a minimum amount of material. In addition, the provision of the concave and convex fittings 61 and 62 in addition to the receiving portions 55 and 56 results in a rib structure, thereby increasing the strength of the receiving portions 55 and 56.

Further, on the side surface of the grooved unit 7, as shown in FIGS. 3 and 7, an engaging means 80 for engaging the lid 9 with the leg 8 is provided. The engaging means 80 hooks a projection claw 81 (FIG. 7C) provided on the lid 9 on a hook 82 (FIG. 3) provided on a side surface of the leg portion 8, and
Is engaged with the leg portion 8 to prevent rattling of the lid 9 and further improve the walking property, and it is not necessary to attach a cushioning material to the back surface of the lid 9 as in the prior art. In addition, since the lid 9 does not come off together with the tile carpet when the tile carpet is peeled off, the handling becomes easy. By the way, the wiring groove 2 is required to be as wide as possible in order to secure the amount of wiring. On the other hand, the wiring groove 2 must be designed to withstand the load of walking, equipment, etc. As the dimensions increase, the lid 9
It is difficult to secure strength. Therefore, it is preferable that the lid 9 side is made rigid as a whole, including the projection claws 81, and that the hook portion 82 of the leg portion 8 of the grooved unit 7 has a spring-like, slightly movable structure. Furthermore, in order to attach the lid 9 stably, the cross cover 10 and the straight cover 1
1 and 4 are provided with projection claws 81, respectively, and the grooved unit body 7 is provided.
It is preferable that each of the legs 8 be stopped at four points.

Furthermore, as shown in FIGS. 33 to 40, the cover 9 as a steel, a gap G ₁ is provided between the receiving portion 55 side which receives the lid 9 of the lid 9 and the grooved unit body 7, The gap G ₁
Alternatively, a cushion material 70 for providing elasticity to the lid 9 in the vertical and horizontal directions may be interposed.
By the way, if the lid 9 is made of a steel plate, rattling of the lid 9 is liable to occur. Therefore, it is necessary to attach a cushioning material or the like on the back surface of the lid 9 to prevent rattling, which increases costs. . Further, a cushion material 70 is required to prevent rattling noise during walking. However, since the cushion material 70 needs to be provided on the entire front and back surfaces of the lid 9, the cost increases. On the other hand, the upper and lower rattles can be prevented only by attaching the cushion material 70 to the back surface of the lid 9 alone, but the rattle of the front, rear, left and right cannot be prevented.

Therefore, in the present embodiment, as shown in FIGS. 37 and 38, the cushion member 70 extends to the contact portion 71 contacting the side surface on the receiving portion 55 side and the upper surface of the rib 57, and extends to the lower surface side of the lid 9. The contact portion 71 is provided with a projecting portion 73 protruding from the side surface of the contact portion 55 side, and is inserted into the lower surface of the contact portion 71 into the concave portion 61 of the receiving portion 55 side. An insertion portion 74 to be inserted protrudes, and a projection 76 to be fitted into a hole 75 provided in the lid 9 is protruded from the upper surface of the extension portion 72. By striking the side face sides of the receiving portion 55 side of the contact portion 71 of the cushion member 70, dimensioned such as gap G ₁ avoid exposure end directly receiving portion 55 side of the sheet steel lid 9 occurs is made ing. Thereby, it is possible to prevent rattling noise from being generated when the end of the lid 9 made of steel plate hits the receiving portion 55 side. The rattling noise in the vertical direction can be naturally prevented by the cushion member 70 between the cover 9 made of steel plate and the receiving portion 55 side. The cushion material 70 and the lid 9 made of a steel plate can be fixed by simply inserting the projection 76 into the hole 75, and the assembly cost is reduced. As a result, since the cover 9 made of steel plate does not directly hit the receiving portion 55 side, rattling noise during walking can be reliably prevented. In addition, there is no need to attach the cushioning material 70 to the entire surface of the lid 9 and there is no need to attach the cushioning material 70, which is economical.

Next, a case where a power / information combined outlet is installed on the wiring floor panel 1 is shown in FIGS.
Shown in A case where a hatched block portion in the figure is removed and replaced with a floor outlet 22 is shown. In this embodiment, the unit bodies 4 and 7 of the floor unit 3 are connected to each other via the thin portion 12, and the size of the floor outlet 22 is an integral multiple of the size of one unit of the floor unit 3. is there.

On the other hand, as shown in FIG. 19, a junction box 30 for a power main line is provided at the intersection 2a of the wiring groove 2 in the vertical and horizontal directions. This power mains junction box 3
Numeral 0 is connected by the electric wire 15 in a state of being separated from the pitch L between the adjacent intersections 2a of the wiring groove 2 by an integral multiple of the pitch L. Here, the length of the electric wire 15 is two adjacent to the wiring groove 2.
The dimension is slightly shorter than an integral multiple of the pitch L between the two intersections 2a. In addition, the Junt Box 30 for power mains
The outer shape of each of the information joint boxes 31 is made to match the outer shape of the intersection 2a of the wiring groove 2, so that the wires 1 can be connected at the time of wiring or wiring replacement work.
There is no fear that the joint box will be displaced by being pulled by 5, and accurate positioning can be performed. 17 in FIG.
Is a harness outlet. FIG. 17 (b) shows another example of the Johntbock 30 for power mains. Also, as shown in FIG. 18, the junction box 40 for the power main line is provided with a branch connection port 40 in a direction substantially perpendicular to the length direction of the electric wire 15, so that the branch wiring of the electric wire 15 becomes possible, and Diversification becomes easy.

On the other hand, the information joint box 31
As shown in FIG.
Is arranged at an intersection 2a different from the intersection 2a of the wiring groove 2 in which the wiring joint 2 is provided, and the information joint box 31 is also an integral multiple of the pitch L between the adjacent intersections 2a of the wiring groove 2. They are connected by an information wire 16 at a distance.

In performing the wiring work, a plurality of power trunk junction boxes 30 are previously separated from each other by an integral multiple of the pitch L between adjacent intersections 2a of the wiring groove 2. After that, the plurality of junction boxes 30 for power trunks connected by the electric wires 15 are arranged at the plurality of intersections 2a of the wiring groove 2 and the grooves 2b other than the intersections 2a. Electric wire 1
5 is wired. In addition, after arranging the junction box 30 for electric power mains, you may make it connect with the electric wire 15. Here, when the power mains junction box 30 is disposed at every other intersection 2a of the wiring groove 2 as shown in FIG. 2, the pitch between adjacent intersections 2a shown in FIG.
When the protrusion width of the power main for John boxes 30 from the intersection to the L _1, the length of the wire 15 are (2 × L) -
By setting (2 × L ₁ ), even when the power main line junction box 30 is connected in advance with the electric wire 15 and this is fitted into the intersection 2 a of the wiring groove 2, the electric wire 15 is not loosened. In addition, wiring can be performed without being strongly pulled. In this way, the length of the electric wires 15 connected to the power trunk line junction box 30 can be standardized at a constant pitch, so that the work of connecting the power trunk line junction box 30 becomes extremely easy. When wiring is further changed, the position where the power mains junction box 30 is located can be seen at a glance from the top of the lid 9, and all the lids 9 of the wiring groove 2 around the wiring can be removed as in the conventional case. No need to
Workability is significantly improved. In the case of the information joint box 31 as well, the wiring and wiring replacement work can be easily performed in the same manner as the power trunk line junction box 30.

Next, the unit 4 with the top plate and the unit 7 with the groove
33 and 34 show an example of linking. A fitting groove 101 into which a ring-shaped corner coupling tool 100 fits between corner portions of a plurality of unit bodies 4 and 7 that abut against each other.
And a corner coupling 100 is provided with a ring-shaped main body 103 having a positioning projection 102 fitted into the fitting groove 101.
And a flexible portion 104 formed on a part of the ring-shaped main body 103 in the circumferential direction.

In general, in a wiring floor panel of a type in which a plurality of panel units are laid on the floor, it is important that the panel units are connected so as not to be shifted. Conventionally, Japanese Utility Model Publication No. 6-49736 discloses a connecting tool for connecting corners. In this conventional example, a tile carpet is adhered to form a product, and a molded product block is adhered to the tile carpet dimensions with a double-sided tape or the like at a fixed interval around the periphery, and the bottom of the molded product is used for wiring. Had holes. This interval is important for preventing the molded article block from running over and for finishing the joint of the tile carpet. However, in the case of a groove type wiring floor panel, if adjacent panels are completely adhered to each other, the panels can be reliably connected to each other.
However, there is a drawback in that adjacent panels interfere with each other when absorbing the unevenness, and the panels are lifted up or the connectors are difficult to enter when the connectors are forcibly inserted. On the other hand, in this embodiment, FIGS.
As shown in (1), four corners of the unit body 4 with a top plate and the unit body 7 with a groove are joined to each other with a gap by using a corner coupler 100. Floor slab 5
The method of absorbing unevenness 1 is as follows.
The case of 00 mm will be described. The floor unit 3 is divided into nine unit bodies 4 and 7, and the unit bodies 4 and 7 are connected to each other at the thin portion 12 so that the unevenness of the floor slab 51 can be absorbed. Further, fitting grooves 101 for fitting the corner fittings 100 are formed at the four corners of the top plates 5 and 50 of the unit bodies 4 and 7 that abut against each other. Then, the corner coupling 100 is fitted into the fitting groove 101 to connect the four unit bodies 4 and 7 together. Since the thin flexible portion 104 is formed in a part of the ring-shaped main body 103 of the corner coupler 100, the adjacent unit bodies 4 and 7 do not directly contact each other due to the bending of the flexible portion 104. So that they can be held at small intervals. Thereby, the corner fitting 1
00 itself can have a function of absorbing floor irregularities. That is, the top plates 5 and 50 of the unit bodies adjacent to each other are:
Since the small space is taken into consideration by the corner coupler 100, there is no direct contact, so that adjacent unit bodies 4, 7 do not interfere with each other, and the absorptivity of floor irregularities is improved. In addition, since the adjacent unit bodies 4 and 7 do not directly contact each other, the corner unit 100 can be smoothly inserted when the corner unit 100 is inserted. Further, when the wall is installed, it is necessary to cut the corner unit 100 in half. It is sufficient to cut the thin-walled concave flexible portion 104 provided on a part of the ring-shaped main body 103 in the circumferential direction, and the flexible portion 104 can be cut as a guide, so that the corner coupler 100 can be easily cut. Becomes In addition, the positioning of the connection positions of the unit bodies 4 and 7 by the corner coupler 100 is performed by the positioning projections 102 provided on the ring-shaped main body 103. It can be easily performed by inserting a screwdriver or the like into the gap generated in the above, and the workability is extremely good. As a result, the flexible portion 104 of the corner coupler 100 can absorb the unevenness of the floor slab 51, so that the unit No rattling occurs between the bodies 4 and 7 due to the rigidity of the corner coupling 100. In addition, since the unit bodies 4 and 7 can be connected by the corner coupling tool 100 so as not to contact each other, the insertion of the corner coupling tool 100 into the fitting groove 101 can be performed smoothly. Further, the cutting of the corner joint 100 is performed by the flexible portion 104, so that the cutting is facilitated.

FIGS. 35 and 36 show mark lines 110 for indicating the laying position of a floor finishing material such as a tile carpet 200 laid on the floor panel 1 on the top plates 5 and 50 of the unit bodies 4 and 7. This shows a case in which it is provided. Usually, as shown in FIG. 35, when the tile carpet 200 is stuck on the free access floor at the site, the reference line 110a is first drawn with a honeypot or the like, and then the construction is started. For this reason, a construction tool is required, and if the squareness of the reference line is not accurately set, there is a problem that the tile carpet 200 does not fit in the side edge portion when laying a wide area. .

Therefore, in this embodiment, the mark lines 1 for attaching the tile carpet 200 are provided on the top plates 5 and 50 of the unit bodies 4 and 7, respectively.
10 is added. A unit body 4 with a top plate is provided at four corners, and a unit body 7 with a groove is installed at a central cross-shaped portion. A cross-shaped marking line or a convex line (0.5 mm) is formed along the center of the unit body 7 with a groove. By forming such a mark line 110 in the center of the top plate 50, any mark line 110 can be used as a reference line. Efficiency is improved. In particular, when the square floor panel 1 is 500 mm square and the tile carpet 200 is also 500 mm square, as shown in FIG. 35, the tile carpet 200 is sandwiched between the mark lines 110, and the construction of the tile carpet 200 is further facilitated.

Here, if the mark lines 110 have already been formed at the end of the construction of the floor panel 1, the work of attaching the tile carpet 200 can be performed immediately, and the construction time can be reduced. In addition, the appearance becomes clearer than the reference line drawn with a honeypot, does not disappear, and the construction is further improved.
A good appearance can be achieved without variation in the finish joint of the floor finishing material such as 0. Furthermore, if the manufacturing cost is also at the level of the marking line, it can be implemented without increasing the cost, so that the positioning function can be added without increasing the manufacturing cost.

As shown in FIG. 21, a plurality of openings 90 may be provided in the top plate 5 near the wiring groove 2 of the grooved unit body 7. In this case, since the wiring device can be seen even with the lid 9 attached, wiring replacement work becomes easy. In addition, the calculation of the capacity of the molding machine when performing resin molding is generally calculated by [required molding functional force (ton number) = projected area × resin pressure]. Therefore, it is important to reduce the projection area as much as possible in reducing the manufacturing cost. In addition, since the projection area of the panel is reduced by providing the above-described opening portion 90 in selecting a molding machine, the panel can be manufactured by a molding machine having a smaller capacity without the opening portion 90, and the manufacturing cost can be reduced. Becomes economical.

Further, as another embodiment, instead of forming the lid 9 with a transparent or translucent material, FIGS.
As shown in FIG. 7, a large number of transparent openings 91 may be provided in the lid 9 to allow light to enter from above, so that it is possible to grasp at a glance where the connected device is. The opening 91
Are preferably at six places in the straight cover part 11 and about four places in the cross cover part 10. In the straight cover portion 11, the central portion and the end portion are not preferable in terms of securing strength.
It is good to open symmetrically. The size of the opening 91 is preferably about 8 mm. If it is smaller than this, the wiring device is difficult to see, and if it is larger, it is difficult to secure the strength. In some cases, a thin cable is used as the electric wire, and the cable itself is difficult to see. However, in the case of rewiring, it is important to check the connection position of the cable, and there is no particular problem even if the cable itself cannot be seen. As described above, even when the wiring device is covered with the lid 9, the wiring device can be seen from above, so that the wiring replacement work is easy, and the lid 9 does not need to be formed of a transparent or translucent material having high cost.

[0047]

According to the present invention, as described above, the invention of claim 1 is the invention of claim 1, wherein the unit with the top plate has a leg suspended from the surface of the top plate of claim 1; A grooved unit having an upper opening formed therein, a grooved unit having a lid detachably attached to the opening of the wiring groove, and a top unit having a top plate and an upper portion of the grooved unit being thinned. Since the bottom plate connecting the legs to each other is provided at the lower part of the legs of the grooved unit body, and the thickness of the bottom plate is set to be greater than the thickness of the constituent members constituting the legs, The floor slab absorbs irregularities with a thin portion on the surface of each unit, and the bottom plate of the wiring groove is made thicker than the constituent members constituting the legs of the grooved unit. By not absorbing the unevenness of this bottom plate part, the conventional wiring groove is widened While preventing the lid from falling off or shifting,
At the same time, the parallelism between the top plate of the unit with the top plate and the lid of the grooved unit is maintained due to the absorption of unevenness by the thin-walled portion, and the lid may rattle or come off even if the floor finishing accuracy is poor. There is an effect that can be prevented.

According to a second aspect of the present invention, the thin portion of the first aspect is formed in a substantially U-shaped cross section, and both ends of the thin portion are integrally connected to the lower surface of the side end of each unit. In addition to the effect of claim 1, the thin portion does not protrude from the top surface of each unit in a protruding manner, and the flat portion can be absorbed while the unevenness of the floor is absorbed by the thin portion at the same time. Become like

According to a third aspect of the present invention, a small projection is provided at a butt portion of each of the unit bodies of the first aspect, and a narrow groove portion for laying an electric wire between the butt portions is formed. In addition to the effect of, the electric wire can be secured by small projections to secure electrical safety, and by laying the electric wire along the narrow groove, the electric wire can be pulled out from the part other than the wiring groove to the floor, The flexibility of wire drawing is significantly improved.

According to a fourth aspect of the present invention, a fitting groove in which a ring-shaped corner fitting is fitted is formed between the corner portions of the plurality of unit bodies abutting each other, and the corner connection is formed. The tool according to claim 1, wherein the tool comprises a ring-shaped main body having a positioning projection fitted into the fitting groove, and a flexible portion formed on a part of the ring-shaped main body in a circumferential direction. In addition to the effect, when the four corners of the unit with the top plate and the unit with the groove that are abutted to each other are connected by using the corner joint, a thin concave shape may be formed in a part of the ring-shaped body of the corner joint. Since the flexible portion is formed, the flexible portion can be held at a small interval so that adjacent panels do not come into direct contact with each other due to the bending of the flexible portion. Therefore, the corner fitting itself can be provided with a function of absorbing unevenness of the floor, and the absorption of unevenness of the floor is improved in combination with the absorption effect of the thin portion. Furthermore, since the adjacent panels do not directly contact each other, it can be smooth when inserting the corner joint. Further, when installing near the wall, the corner joint is cut with a flexible part so that cutting is easy Becomes

According to a fifth aspect of the present invention, the lower surface of the bottom plate portion of the grooved unit according to the first aspect is a stepped surface located above the lower end surfaces of the legs. In addition, as the bottom plate approaches the center of the leg, the bottom plate becomes more difficult to bend, and the structure becomes difficult to absorb the unevenness of the floor slab. According to a sixth aspect of the present invention, a plurality of mounting holes having different hole diameters are drilled in the bottom plate portion of the first aspect, the mounting holes having a small diameter are used as connection holes for a wiring connector, and the mounting holes having a large diameter are used as floor slabs. Since the mounting hole for the bottom plate portion is formed as described above, in addition to the effect of claim 1, when the wiring connector is fixed to the bottom plate portion, the strength of the bottom plate portion is not reduced by using the small-diameter mounting hole. The wiring connector can be attached, and at the same time, the fixing strength to the floor slab can be increased by fixing the bottom plate to the floor slab using the large-diameter mounting hole.

According to a seventh aspect of the present invention, a plurality of openings are provided on the side surfaces of the leg of the grooved unit body facing the wiring groove. An electric wire can be wired between adjacent vertical and horizontal wiring grooves via the opening. According to the invention of claim 8, since a plurality of openings are provided on the upper surface of the leg of the grooved unit body facing the wiring groove, a lid is provided in addition to the effect of claim 1. Wiring equipment can be seen even in the state, wiring replacement work is easy, and if there is no opening, it can be manufactured with a molding machine with smaller capacity,
The manufacturing cost can be reduced, and it becomes economical.

According to a ninth aspect of the present invention, a plurality of the grooved units are arranged side by side to cross the wiring grooves vertically and horizontally, and the mounting portion of the wiring connector is provided at the intersection of the wiring grooves vertically and horizontally. In addition to the effects of claim 1, for example, a plurality of wiring connectors are previously connected to each other by an electric wire having a length substantially equal to the pitch between adjacent intersections of the wiring grooves, and thereafter,
By arranging a plurality of wiring connectors connected by electric wires at the intersections, it is possible to extremely easily perform the connection work of the wiring connectors using electric wires having a uniform length at a constant pitch. When changing the wiring, the position where the wiring connector is arranged can be seen at a glance from the top of the lid, and it is not necessary to remove all the lids of the wiring grooves around the wiring, thereby facilitating the work.

According to a tenth aspect of the present invention, a step is provided at the upper edge of the leg of the grooved unit of the first aspect to form a receiving portion for the lid. A plurality of ribs extending and extending from the bottom plate portion of the wiring groove to the receiving portion are protruded, and the ribs are vertically provided at positions corresponding to the plurality of ribs on the lower surface side of the lid. In addition, when an excessive load is applied from the upper portion of the lid, the load can be dispersed by the ribs, and the load resistance of the lid can be improved.

According to the eleventh aspect of the present invention, a mark line for indicating the laying position of a floor finishing material such as a tile carpet laid on a floor panel is provided on the top surface of each unit body of the first aspect. In addition to the effect described in the item 1, the work of attaching the tile carpet can be performed immediately, and the construction time can be reduced. In addition, it becomes clearer than the reference line drawn with a honeypot or the like, does not disappear, does not disappear, the construction is further improved, and the finished joint of the floor finishing material such as a tile carpet can be finished well without variation. Furthermore, if the manufacturing cost is also at the marking line level, the operation can be performed without increasing the cost, so that the positioning function can be added without increasing the manufacturing cost.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating the thickness of a bottom plate portion according to an embodiment of the present invention.

FIG. 2 is a perspective view of the floor panel of the above.

FIG. 3 is a perspective view of the floor unit with the lid omitted.

FIG. 4 is a plan view of the floor unit.

FIGS. 5A and 5B are a plan view and a side view, respectively, in which a lid and a top plate of the floor unit are omitted.

FIG. 6 is a plan view of the floor unit with the lid removed.

7A is a perspective view of a cross cover portion, FIG. 7B is a perspective view of a straight cover portion, and FIG. 7C is a cross-sectional view illustrating a projection claw.

FIG. 8 is a schematic diagram illustrating a mounting state of the floor outlet according to the embodiment.

FIG. 9 is a plan view showing a state where the floor outlet is mounted.

FIG. 10 is a plan view of another example of the mounting state of the floor outlet according to the embodiment.

FIG. 11 is a cross-sectional view of the vicinity of the thin portion in the above.

FIG. 12A is a plan view of a main part in the vicinity of a thin portion of the above.
(B) is a side view of a main part.

13A is a side view of a floor unit, and FIG.
3 is a sectional view taken along line AA 'of FIG. 3, and FIG. 3C is a sectional view taken along line BB' of FIG.

FIG. 14 is a perspective view of a main part of the thin portion of the above.

FIG. 15 is a schematic diagram illustrating a gap between the cross cover and the straight cover according to the first embodiment.

16 (a) and (b) are plan views of the vicinity of the small projection in the above,
FIG. 4C is a front view, and FIG. 5C is a cross-sectional view taken along line FF of FIG.

17A is an explanatory diagram of a connection state of a power box junction box, and FIG. 17B is an explanatory diagram of another connection state.

FIG. 18 is a schematic diagram of a connection state of the power box junction box according to the first embodiment.

FIG. 19 is a perspective view showing a state in which a power mains junction box is provided.

FIG. 20 is a perspective view showing a state where the information joint box is provided.

FIG. 21 is a perspective view illustrating a state in which an opening is provided in the top plate of the grooved unit body according to the embodiment.

FIG. 22 is a perspective view showing a state where the cross cover and the straight cover are connected in the same manner.

FIG. 23 is a schematic view showing a state in which the notches are facing each other.

FIGS. 24 (a) and (b) are schematic diagrams for explaining a reversing operation of a straight cover portion.

25A is a perspective view of the vicinity of a receiving portion, and FIG. 25B is a cross-sectional view of the vicinity of the receiving portion.

26A is a perspective view of a cross cover portion, and FIG. 26B is a cross-sectional view near a convex portion.

FIGS. 27A and 27B are cross-sectional views illustrating a state where different lids are received by receiving portions.

FIG. 28 is a schematic diagram illustrating a fulcrum pitch of the above.

FIG. 29 is an explanatory diagram of a dimensional state of the above-described receiving portion and a lid.

FIGS. 30A and 30B are explanatory views of a deformed state of the lid when receiving a load.

FIGS. 31 (a) and (b) are a bottom cross-sectional view and a side view of the same cross cover portion.

FIGS. 32 (a) and 32 (b) are a bottom sectional view and a side view of the same straight cover portion.

FIG. 33 is an exploded perspective view illustrating a use state of a corner coupling tool for connecting the unit bodies according to the third embodiment.

34 (a) and (b) are a plan view and a cross-sectional view of the corner coupler of the above.

FIG. 35 is an explanatory diagram of a laid state of the tile carpet according to the third embodiment.

FIG. 36 is a schematic diagram illustrating a mark line when laying the tile carpet according to the above.

FIG. 37 (a) is a plan view of a straight cover portion for explaining a mounting state of the cushion material of the above, and (b) is (a).
(C) is a cross-sectional view taken along the line II in (a),
(D) is a plan view near the cushion material.

FIG. 38 (a) is a plan view of a cross cover portion for explaining a mounting state of the cushion material of the above, and FIG. 38 (b) is J in FIG.
FIG. 2C is a cross-sectional view taken along the line J, and FIG. 2C is a cross-sectional view taken along the line KK in FIG.

FIGS. 39 (a) and (b) are a plan cross-sectional view and a side cross-sectional view illustrating a mounting state of a cushion material.

40 (a) and (b) are a front view and a side view of the cushion material of the above.

FIG. 41 is a perspective view of a cross cover according to another embodiment of the present invention.

FIG. 42 is a perspective view of a straight cover part according to another embodiment of the present invention.

FIGS. 43 (a) and (b) are perspective views illustrating the arrangement of a conventional cross cover and a straight cover.

44A is a perspective view of a conventional grooved unit, FIG.
(B) is a perspective view of a leg block.

FIGS. 45 (a) and 45 (b) are plan sectional views illustrating a conventional lid receiving structure.

FIG. 46 is a side view illustrating a state in which a conventional lid is placed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor panel 2 Wiring groove 3 Floor unit 4 Unit with top plate 6, 8 Leg 7 Unit with groove 12 Thin part 13 Small projection 23 Bottom plate 23a Step surface 100 Corner coupling tool

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tatsuo Ogawa 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. References JP-A-63-193939 (JP, U) Utility model registration 2552603 (JP, Y2) JP 6-9230 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04F 15/024

Claims (11)

(57) [Claims] 1. A unit with a top plate having legs suspended from the surface of the top plate, and an upwardly open wiring groove having legs on both sides. A lid is attached to and detached from the opening of the wiring groove. It has a grooved unit that is freely mounted, and connects the upper part of the unit with the top plate and the upper part of the grooved unit with a thin part, and connects the legs to the lower part of the legs of the grooved unit. A floor wiring device, wherein: 2. The floor wiring according to claim 1, wherein the thin portion is formed to have a substantially U-shaped cross section, and both ends of the thin portion are integrally connected to lower surfaces of side ends of each unit body. apparatus. 3. The floor wiring apparatus according to claim 1, wherein a small projection is provided at a butt portion of each unit body, and a narrow groove portion for laying an electric wire between the butt portions is formed. 4. A fitting groove in which a ring-shaped corner fitting is fitted is formed between corner portions of a plurality of unit bodies that abut each other, and the corner fitting is positioned to be fitted in the fitting groove. 2. The floor wiring apparatus according to claim 1, comprising a ring-shaped main body having a projection and a flexible portion formed on a part of the ring-shaped main body in a circumferential direction. 5. The floor wiring device according to claim 1, wherein the lower surface of the bottom plate portion of the grooved unit is a stepped surface located above the lower end surfaces of the legs. 6. A plurality of mounting holes having different hole diameters are drilled in a bottom plate portion, and the mounting holes having a small diameter are used as connection holes of a wiring connector.
2. The floor wiring device according to claim 1, wherein the mounting hole having a large diameter is a hole for mounting the bottom plate portion to the floor slab. 7. A plurality of openings are provided on the side surfaces of the legs of the grooved unit body so as to face the wiring grooves.
The floor wiring device as described. 8. A plurality of openings are provided on the upper surface of the leg of the grooved unit body so as to face the wiring groove.
The floor wiring device as described. 9. A wiring connector according to claim 1, wherein a plurality of grooved units are arranged so as to intersect the wiring grooves vertically and horizontally, and mounting portions of the wiring connector are provided at the intersections of the wiring grooves vertically and horizontally. Floor wiring equipment. 10. A step portion is provided at the upper edge of the leg portion of the grooved unit body to form a receiving portion of the lid, and extends vertically below the receiving portion to extend from the bottom plate portion of the wiring groove. 2. The floor wiring device according to claim 1, wherein a plurality of ribs extending to the receiving portion are protruded, and the ribs are vertically provided at positions corresponding to the plurality of ribs on the lower surface side of the lid. 11. The floor wiring according to claim 1, wherein a mark line for indicating a laying position of a floor finishing material such as a tile carpet laid on the floor panel is provided on a top surface of each unit body. apparatus.