JP3771706B2 - Flooring - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor material formed by connecting a plurality of divided floor materials.
[0002]
[Background Art and Problems to be Solved by the Invention]
Conventionally, as a flooring material for forming an accommodation space for wiring and piping materials under the floor, for example, there is one shown in Japanese Utility Model Publication No. 7-586. As shown in FIG. 9, the cover plate 11 as the flooring material is supported by the blocks 12 and 12 as the supporting material, and the wiring groove serving as a space for accommodating the wiring material between the blocks 12 and 12. 13 was covered. The cover plate 11 is composed of a plurality of divided plates 11a and 11a so as to efficiently cover the wiring grooves 13 and eliminate backlash with respect to the blocks 12 and 12. They are connected by connecting members 14 and 14 made of a flexible material.
[0003]
However, in the cover plate 11 as the conventional flooring material, the connecting members 14 and 14 are on the back surface side of the divided plates 11a and 11a and face the wiring grooves 13 and 13. There is a risk that the connecting members 14 and 14 may be ignited in a cable fire or the like caused by an overcurrent of the wiring member wired in the wiring 13. Therefore, it is necessary to select a material with excellent ignition resistance for the connecting members 14 and 14. Such cable fires are also suggested in JIS A 1450 (free access floor constituent material test method).
[0004]
The present invention has been made to solve the above-described conventional drawbacks, and an object thereof is to provide a flooring material having excellent ignition resistance against cable fire regardless of the material of the connecting member. It is in.
[0005]
Another object is to provide a flooring with improved load bearing strength.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the flooring according to the present invention has the following configuration. That is,
The invention according to claim 1 is passed to the opposing support portions of the support material made of the floor constituent material, which is placed on the foundation floor surface, in order to form a housing space for wiring and piping materials under the floor. Thus, the floor material which covers the upper part of the accommodation space which is formed by the cross-shaped accommodation groove which is supported and is formed by the floor constituent material, the first and second covering the upper part of the accommodation space . a dividing flooring, comprises a flexible, composed of a connecting member for connecting the adjacent first and second split flooring together. Here, the first and second divided floor materials are centered on the first divided floor material so that the first divided floor material is supported by the support portion of the support material, and the second divided floor material is The first divided flooring is arranged in a cross shape so as to be adjacent to each of the four sides. The first and second split flooring, the top side, comprises a first and second coupling recess formed so as to face the ends facing each other, the coupling recess by press working, the It consists of a dent on the upper surface side of a projecting portion that is driven downward so as not to be hung on the support material . The first connecting recess extends from the center of the upper surface of the first divided floor material to each side as an end, and has a cross shape as a whole, and the second connecting recess is the first connecting recess. Extends from the side opposite to the divided floor material side to the side facing the first divided floor material, which is an end. The connecting member is formed in a cross shape so as to fill the first and second connecting recesses so that the upper surface is substantially flush with the upper surfaces of the first and second divided floor materials. And attached to the first and second divided floor materials.
In this way, since the adjacent first and second divided floor materials are connected by the connecting member having flexibility, the floor material is handled (removal work from the support material and removal from the support material). Work, etc.) is easy, and it is possible to bend between the adjacent divided floor materials, so that each divided floor material becomes familiar with the support material and prevents rattling. Further, since the connecting member that connects the first and second divided floor materials covering the upper part of the accommodation space such as the wiring / piping material is attached to the upper surface side of the divided floor material, the connecting member is connected to the accommodation space. Never face. Moreover, since the upper surface of the connecting member is substantially flush with the upper surface of the divided floor material, the connecting member is on the upper surface side of the first and second divided floor materials, but is flatter by the divided floor material and the connecting member. A floor is formed. Moreover, the first and second split flooring, first and second coupling recesses are by press working, can be easily formed, moreover, the protruding portion for forming a connecting recess, the It plays the role of reinforcing the divided flooring.
[0007]
Further, supporting Jizai consists floor construction material, similarly to the flooring, to form a floor. And a floor material will cover the upper direction of the accommodation space which consists of an accommodation groove formed with the said floor constituent material.
[0008]
[0009]
Further, as in the invention described in claim 2 , the connecting member may be formed such that a portion straddling the adjacent first and second connecting recesses is curved downward. Thus, the connecting member can be easily bent at the portion where the portion spanning the adjacent first and second connecting recesses is curved downward. Therefore, this flooring can be easily bent between the adjacent first and second divided flooring materials.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the flooring according to the present invention will be described below with reference to the drawings.
[0011]
1 to 4 show an embodiment of a flooring according to the present invention. In the figure, reference numeral 1 is a base floor surface, and 2 is a support material provided on the base floor surface 1. 3 is a floor material as a cover body that is supported by the support material 2 and covers the upper portion of the accommodation space S to form a part of the floor in order to form an accommodation space S such as wiring and piping materials under the floor. It is.
[0012]
Here, the support member 2 is made of a floor constituent material that is placed on the foundation floor surface 1 to form a floor, and has a flat plate-like square bottom plate portion 2a and a floor configuration that protrudes upward from the four corners of the bottom plate portion 2a. It consists of pieces 2b and 2b. These floor constituent pieces 2b and 2b have a flat and substantially rectangular parallelepiped shape, and in a portion facing each other, in a strip shape along the upper side, a floor material 3 described later, which is slightly lower than the upper surfaces 2c and 2c. Support portions 2d and 2d are formed to support the. Thus, the portion sandwiched between the floor constituting pieces 2b and 2b serves as an accommodation groove that opens upward to form the accommodation space S.
[0013]
The flooring 3 is flexible with the first divided flooring 3a and the second divided flooring 3b, 3b that are supported by the support portions 2d, 2d of the supporting member 2 and are arranged so as to cover the upper part of the accommodation space S. The connecting member 3c that connects the adjacent divided floor materials 3a and 3b to each other is provided. The 1st and 2nd division | segmentation floor materials 3a, 3b, 3b consist of metal plate materials, such as a rolled steel plate, other non-combustible materials, or a flame-retardant material, for example, and are formed in flat plate shape. And these 1st and 2nd division | segmentation floor materials 3a, 3b, and 3b become the center of the 1st division | segmentation floor material 3a, and the 2nd division | segmentation floor materials 3b and 3b are four directions of the 1st division | segmentation floor material 3a. Are arranged in a cross shape so as to be adjacent to each other with a slight gap K therebetween. Then, the adjacent first divided floor material 3a and second divided floor material 3b face the upper surfaces 3d and 3e side so as to communicate with the sides 3f and 3g which are opposite ends, respectively. A first connection recess 3h and a second connection recess 3i are provided adjacent to each other so as to be continuous with each other. In other words, the first connecting recess 3h extends from the center of the upper surface 3d to the center of each side 3f serving as an end on the upper surface 3d side of the first divided flooring 3a. The connecting recesses 3h and 3h are continuous at the center of the upper surface 3d and have a cross shape as a whole. On the other hand, the second connecting concave portion 3i is formed on the upper surface 3e side of the second divided floor material 3b from the side opposite to the first divided floor material 3a, and the first divided floor material 3a serving as an end portion. It extends to the center of the opposite side 3g. In addition, these 1st connection recessed parts 3h and 3h and the 2nd connection recessed part 3i are the upper surface 3d and 3e side of 1st protrusion part 3j, 3j and 2nd protrusion part 3k which are struck down by press work. It consists of a dent.
[0014]
The connecting member 3c is made of a synthetic resin sheet material such as a polypropylene resin sheet having flexibility. The connecting member 3c fills the adjacent first and second connecting recesses 3h, 3h, 3i, and 3i of the first and second divided floor materials 3a, 3b, and 3b so that the first and second It is formed in a cross shape so as to be attached to the two divided floor materials 3a, 3b, 3b, and when attached, the upper surface 3m of the connecting member 3c is the first and second divided floor materials 3a, 3b, 3b. Are substantially flush with the upper surfaces 3d, 3e, and 3e. Further, the connecting member 3c is formed with portions 3n and 3n extending over the adjacent first and second connecting recesses 3h, 3h, 3i and 3i curved downward. In attaching the connecting member 3c to the first and second divided floor materials 3a, 3b, 3b, an adhesive or a double-sided adhesive tape is used.
[0015]
And this flooring 3 is passed to the support parts 2d and 2d which the support material 2 opposes so that the accommodation space S which consists of the cross-shaped accommodation groove formed of the support material 2 may be covered. At this time, the upper surfaces 3d, 3e, 3e of the first and second divided floor materials 3a, 3b, 3b and the upper surfaces 2c, 2c of the support member 2 are substantially flush with each other.
[0016]
Next, the effect of the flooring 3 having the above configuration will be described. In this flooring 3, adjacent first and second divided flooring materials 3a, 3b, 3b are connected by a connecting member 3c, and the connected first and second divided flooring materials 3a, 3b, Since 3b can be handled at once, the disposition work to the support material 2, the removal work from the support material 2, etc. are easy. Moreover, since the connecting member 3c has flexibility, the flooring 3 can be bent between the adjacent divided flooring materials 3a and 3b, and each of the divided flooring materials 3a, 3b and 3b becomes the support material 2. Familiarity is prevented with familiarity. In addition, the connecting member 3c can be easily bent at the portion 3n because the portion 3n spanning the adjacent first and second connecting recesses 3h and 3i is curved downward, and therefore, the connecting member 3c can be easily bent. The floor material 3 is easily bent between the adjacent divided floor materials 3a and 3b.
[0017]
Furthermore, the connecting member 3c that connects the divided floor materials 3a, 3b, and 3b covering the upper part of the accommodation space S such as wiring and piping materials is attached to the upper surfaces 3d, 3e, and 3e of the divided floor materials 3a, 3b, and 3b. Therefore, the connecting member 3c does not face the accommodation space S. Therefore, the flooring 3 has excellent ignition resistance against cable fires, despite using a synthetic resin material for the connecting member 3c. Moreover, the connecting member 3c is attached so as to fill the connecting recesses 3h, 3h, 3i, and 3i of the divided floor materials 3a, 3b, and 3b, and the upper surface 3m of the connecting member 3c is attached to the divided floor materials 3a, 3b, and 3b. Since the upper surfaces 3d, 3e, and 3e are substantially flush with the upper surfaces 3d, 3e, and 3b of the divided floor materials 3a, 3b, and 3b, the divided floor materials 3a, 3b, and 3b and the connecting members are disposed. A flat floor is formed by 3c. Furthermore, the floor is formed also by the support material 2, and the upper surface 2c of the support material 2 is substantially flush with the upper surfaces 3d, 3e, and 3e of the divided floor materials 3a, 3b, and 3b. Is flat.
[0018]
The first connecting recesses 3h and 3h of the first divided floor material 3a and the second connecting recess 3i of the second divided floor material 3b are formed by pressing the first protrusions 3j and 3j and the second It can be easily formed by simply projecting the protruding portion 3k downward. Moreover, these projecting portions 3j, 3j, and 3k serve to reinforce the divided floor materials 3a and 3b, and improve the load bearing strength of the divided floor materials 3a and 3b, that is, the load bearing strength of the floor material 3. Can do.
[0019]
In addition, this invention is not necessarily limited to embodiment mentioned above, A various other change is possible. For example, the support member 2 does not include the bottom plate portion 2a even if the floor constituent pieces 2b and 2b are not connected to each other via the bottom plate portion 2a, and the floor constituent pieces 2b and 2b are directly mounted on the foundation floor surface 1. May be placed. Further, the connecting member 3c made of a sheet material may extend straight even if the portion 3n straddling the adjacent connecting recesses 3h and 3i is not curved downward. Further, in attaching the connecting member 3c to the first and second divided flooring materials 3a, 3b, 3b, for example, the first and second connecting recesses 3h, 3h, 3i and 3i may be provided with an engaging portion, and the connecting member 3c may be engaged with the engaging portion. Furthermore, when the connecting member 3c is resin-molded, the first and second divided floor materials 3a, 3b, and 3b are inserted into the mold during the resin molding, thereby forming the connecting member 3c. At the same time, the connecting member 3c may be attached in close contact with the first and second divided floor materials 3a, 3b, 3b.
[0020]
Further, as shown in FIGS. 5 and 6, the connecting member 3 c is not made of a sheet material, but is attached so as to fill the connecting recesses 3 h, 3 h, 3 i, 3 i, such as wires, ropes, resin wires, etc. It may consist of strips. Further, although in the reference example, first and second split flooring 3a, 3b are not necessarily arranged in cross shape, the structure of the support material 2, Remind as in FIG. 7, in one direction only For example, the connecting members 3c and 3c may be connected to each other. Although it is also a reference example, the support material 2 is not composed of a floor constituent material, but is made of a joist material supported by support legs F, F standing on the foundation floor surface 1 as shown in FIG. In this case, the floor material 3 is formed by the connecting members 3c made of sheet material in which the divided floor materials 3a, 3a, 3b, and 3b are arranged only in one direction in which the support material 2 made of joist material extends. It may be connected.
[0021]
Further, the connecting recesses 3h, 3h, 3i and 3i do not necessarily have to be adjacent to each other so as to be continuous with each other, and there may be a positional deviation between them.
[0022]
【The invention's effect】
As is apparent from the above detailed description, the flooring according to the present invention has the following effects.
[0023]
According to the flooring described in claim 1 , the connecting member for connecting the first and second divided flooring members to each other is attached to the upper surface side of the divided flooring. Therefore, regardless of the material of the connecting member, it has excellent ignition resistance against cable fire. Moreover, the first and second split flooring, first and second coupling recesses are by press working, can be easily formed, moreover, the protruding portion for forming a connecting recess, the It will play a role of reinforcing the divided flooring, and the load bearing strength of this flooring can be improved.
[0024]
In addition , the floor material can be supported by the support material made of the floor constituent material and cover the upper part of the accommodation space made of the accommodation groove.
[0025]
[0026]
In addition, according to the flooring described in claim 2 , in addition, the connecting member easily bends at the portion spanning the adjacent first and second connecting recesses, so that the flooring is adjacent to the other. It can be easily bent between the first and second divided floor materials.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state in which a flooring is placed on a supporting member according to an embodiment of the flooring according to the present invention.
FIG. 2 is an exploded perspective view of the flooring.
FIG. 3 is also a plan view of the flooring.
4 is a cross-sectional view taken along line AA in FIG.
[5] Other embodiments of the flooring is a plan view of the flooring.
6 is an enlarged sectional view taken along line BB in FIG.
FIG. 7 is a plan view of a flooring material according to still another embodiment of the flooring material as a reference example .
FIG. 8 is a perspective view showing a state in which the floor material is placed on the support material in still another embodiment of the floor material as a reference example .
FIG. 9 is a perspective view showing a state in which a floor material is placed on a support material in a conventional floor material.
[Explanation of symbols]
1 Foundation floor 2 Support material
2d Supporting part 3 Flooring material 3a First divided flooring (divided flooring)
3b Second divided floor material (divided floor material) 3c Connecting member 3d Upper surface 3e Upper surface 3f Side (end) 3g Side (end)
3h 1st connection recessed part (connection recessed part) 3i 2nd connection recessed part (connection recessed part)
3j 1st protrusion (protrusion) 3k 2nd protrusion (protrusion)
3m upper surface 3n spanning part S accommodation space

Claims (2)

To form an accommodation space, such as wiring and piping material under the floor, is placed on the foundation floor of the support consisting of floor construction material is supported so as to be passed to the face supporting unit, the floor structure A flooring covering the upper part of the accommodation space formed by a cross-shaped accommodation groove opened upward by a material,
First and second split flooring covering above of the accommodating space, includes a flexible, is composed of a connecting member for connecting the adjacent first and second split flooring together,
The first and second divided floor materials are supported by the support portion of the support material, and the first divided floor material is in the center, and the second divided floor material is the first divided floor material. Adjacent to each side of the four sides of the divided flooring, arranged in a cross shape,
The first and second divided floor materials are provided with first and second connecting recesses formed on the upper surface side so as to face end portions facing each other, and the connecting recesses are formed by pressing the support material. It consists of a dent on the upper surface side of the projecting portion that is driven downward so as not to hang on,
The first connecting recess extends from the center of the upper surface of the first divided floor material to each side as an end, and has a cross shape as a whole, and the second connecting recess is the first connecting recess. Extending from the opposite side of the divided floor material side to the side facing the first divided floor material, which is the end,
The connecting member is formed in a cross shape and fills the first and second connecting recesses so that the upper surface is substantially flush with the upper surfaces of the first and second divided floor materials, A flooring material attached to the first and second divided flooring materials. 2. The flooring according to claim 1, wherein the connecting member is formed such that a portion straddling the adjacent first and second connecting recesses is curved downward.

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