JP3276232B2 - Double floor unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double floor unit installed on a floor of a building or the like.

[0002]

2. Description of the Related Art Conventionally, various double floor units installed on the floor of a building have been proposed in order to facilitate wiring of OA equipment and the like used in the building. For example, Japanese Patent Publication No. 2-52743 and Japanese Patent Application Laid-Open No. 4-146667 disclose that an upper base layer such as a panel is laid on a flexible base material via a small block so that the floor surface becomes uneven. A corresponding technique is disclosed. However, since the double floor thus configured uses the space between the base material and the panel as a wiring space, a sufficient wiring space cannot be obtained, and the finishing height tends to be large. It is in.
Further, since the lower space is covered by the base material, it is necessary to cut out the base material when a wiring lead portion or the like is installed on the existing floor below. Further, since a large number of panel pieces are laid after completion of the wiring, the construction is complicated, and it is necessary to attach / detach a large number of panel pieces even when changing the wiring layout.

In Japanese Utility Model Laid-Open Publication No. 3-68252,
A lid is disclosed in which a floor material is formed of small block pieces so as to cope with unevenness of the floor surface, and further, a wiring groove is formed between the floor materials. However, since the small block pieces are formed over the entire surface of the floor material, there is a problem that the weight is large and there is no wiring space. Further, since the wiring groove is only formed between the flooring materials, there is a problem that it is not possible to cope with the layout of the existing wiring lead-out portion or the like. And
Since the wiring device needs to be installed in the wiring groove, there is a problem that the wiring space is further narrowed.

[0004]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to install the apparatus even when the floor surface is uneven, to be able to cope with existing wiring paths and ventilation paths, and to reduce the construction work weight. An object of the present invention is to provide a double-floor unit for low floors, which is excellent in performance.

[0005]

In order to achieve the above-mentioned object, a double-floor unit according to the present invention comprises a plurality of pillars which are arranged on an imaginary plane and are spaced apart from each other, and the adjacent pillars are integrally formed. A flexible frame that is formed by the support and the connection member, and the support and the connection member are defined inside the frame by the support and the connection member. A plurality of rectangular small frame portions are formed, and a unit base and the support posts of the small frame portions are respectively engaged with legs at four corners by detachable locking claws , and an opening of the small frame portion is formed. Are individually closed and attached integrally ,
It is characterized by having a plurality of panel pieces.

As described above, the double floor unit of the present invention has excellent flexibility and a floor surface because the unit base is formed in a grid shape by connecting the columns with the flexible connecting members. It can easily cope with unevenness, and is lightweight and has excellent workability. In addition, since the unit base is in the form of a grid, existing wiring paths and ventilation paths can be used as they are. Further, since the panel pieces independently close the openings of the individual small frame portions of the unit base, openings of a required size for the double floor unit can be easily formed. Therefore, it is easy to attach the wiring device.

[0007]

Embodiments of the present invention will be described below with reference to the drawings.

The double-floor unit 1 includes a unit base 2 and
It comprises a plurality of panel pieces 3 detachably attached to the unit base 2. The unit base 2 is made of a synthetic resin material, and has a plurality of columns 20 arranged at intervals on a virtual plane, and a flexible connecting member 21 for integrally connecting the adjacent columns 20 together. The support 20 and the connecting member 21 form a rectangular frame as a whole, and a plurality of rectangular small frame portions 22 defined by the support 20 and the connecting member 21 are formed inside the frame. ing.

In each of the columns 20, four insertion grooves 24 are defined by four vertical walls 23 bent at substantially right angles, and locking claws 25 are arranged inside the insertion grooves 24, respectively. . The vertical wall 23 and the locking claw 25 are formed integrally with the column 20. The support 20 has a cylindrical shape as a whole,
The vertical wall 23 is configured to partition the inside of the cylindrical shape. The connecting member 21 is formed of a flexible synthetic resin in a thin plate shape, and has an elongated hole 26 as necessary to increase flexibility. Further, slits 27 are formed in the columns 20 vertically and horizontally, so that the columns 20 can also be bent to cope with irregularities on the floor surface. Also,
The strut 20 and the connecting member 21 can be easily cut by a cutter knife or the like in the unit of the small frame portion 22, so that the double floor unit 1 can be appropriately sized at the construction site.

The panel piece 3 is made of a synthetic resin material having legs 30 integrally formed at the four corners, and these legs 30 are inserted into the insertion grooves 24 at the four corners of the small frame portion 22 of the unit base 2.
And are resiliently inserted into the unit base 2. Locking claws 31 are formed inside the legs 30, respectively. When the legs 30 are inserted into the insertion grooves 24, the locking claws 25,
31 engage with each other to prevent the panel piece 3 from falling off (see FIG. 10). In this manner, each panel piece 3 is detachably engaged with the column 20 of the small frame portion 22 to individually close the opening of the small frame portion 22. In the embodiment shown in FIG. 1, nine panel pieces 3 are mounted on one unit base 2.

Since the panel piece 3 is integrated with the unit base 2 by being engaged therewith, if the panel piece 3 is mounted on the unit base 2 in advance in a factory, it can be easily transported to the site or constructed on the site. can do. In order to remove the panel piece 3 from the unit base 2, a jig (not shown) may be inserted through an opening formed above the leg 30 to release the engagement between the locking claws 25 and 31. Therefore, double floor unit 1
The panel piece 3 can be easily removed even after the installation.

FIGS. 9 and 11 show a state in which the double-floor units 1 are laid on the floor surface 4. Each double-floor unit 1 has a column 20 at the corner of the unit base 2 and an adjacent side of the unit base 2. FIG. A spacer 5 is arranged between the corresponding unit pillar 2 and the supporting column 20 at the corresponding corner of the other unit base 2, and the spacer 5 regulates the interval between the double floor units 1. As shown in FIG. 14, the spacer 5 has concave portions 51 for receiving the columns 20 at four corners thereof, and locking projections 52 are formed on both sides of the concave portion 51. A projecting piece 28 is formed on the column 20 at the corner of the unit base 2, and each of the projecting pieces 28 has a hole 29.
Are formed, but the locking projections 52 of the spacer 5 are engaged with these holes 29 to ensure the engagement between the unit base 2 and the spacer 5. In addition, the spacer 5 is appropriately
By adhering to the floor surface 4, the double floor unit 1 can be prevented from being laterally displaced, and the vibration resistance can be improved.

As described above, by laying the adjacent double-floor units 1 via the spacers 5, a gap having a constant width is formed between the adjacent double-floor units 1. This gap is used as a wiring space, and is closed by a wiring groove cover 6 shown in FIG. The wiring groove lid 6 is formed by press-molding a thin metal plate, and is disposed so as to be detachably engaged with the column 20 of the unit base 2. A sufficient space can be ensured between the wiring groove lid 6 and the floor 4. Aside from the rectangular wiring groove cover 6 as a whole, a square wiring groove cover 7
Is disposed so as to cover the opening above. The wiring groove lid 7 is also formed by press-molding a thin metal plate, and is disposed so as to be detachably engaged with the column 20 of the unit base 2. In addition,
The width of the wiring groove lid 6 is formed to be the same size as the width of the panel piece 3. By removing the plurality of panel pieces 3 and replacing the wiring groove lid 6 with the wiring groove lid 6, the width of the wiring groove can be increased.

As shown in FIGS. 9 and 11, each double-floor unit 1 removes a panel piece 3 at an arbitrary position and attaches a wiring device plate 8 to the wiring device plate 8. Can be attached. Therefore, the mounting position of the outlet 9 can be freely selected. Further, as shown in FIG. 11, two adjacent panel pieces 3 are removed, a large wiring device plate 10 is attached to the opening obtained by this, and the wiring device 11 can be attached to the wiring device plate 10. Therefore, irrespective of the size of the wiring device 11, any wiring device 11 can be attached to any position. In FIG. 12, reference numeral 12 denotes an electric cable, and reference numeral 13 denotes a laid carpet.

[0015]

As described above, according to the double floor unit of the present invention, since the unit base is formed in a grid shape, it is excellent in flexibility and easily copes with irregularities on the floor surface. And an effect that it is lightweight and has excellent workability. In addition, since the unit base is in the form of a grid, existing wiring paths and ventilation paths can be used as they are. Further, since the panel pieces independently close the openings of the individual small frame portions of the unit base, openings of a required size for the double floor unit can be easily formed. Therefore, there is an effect that the wiring device can be easily attached.

[Brief description of the drawings]

FIG. 1 is a plan view of a double floor unit of the present invention.

FIG. 2 is a side view of the double floor unit of the present invention.

FIG. 3 is an enlarged plan view of a corner portion of a unit base of the double floor unit of the present invention.

FIG. 4 is a side view of a corner portion of the unit base of FIG. 3;

FIG. 5 is a longitudinal sectional view of a support column.

FIG. 6 is a side view including a half section of the panel piece.

FIG. 7 is a bottom view of the panel piece.

FIG. 8 is a sectional view of a leg of the panel piece.

FIG. 9 is a perspective view of a double-floor unit according to the present invention in a laid state.

FIG. 10 is a longitudinal sectional view showing an engagement state between a leg of a panel piece and a column of a unit base.

FIG. 11 is a plan view of the double-floor unit of the present invention in a laid state.

FIG. 12 is a sectional view taken along line DD in FIG. 11;

13A and 13B show an embodiment of a wiring groove cover, wherein FIG. 13A is a side view thereof, and FIG. 13B is a plan view thereof.

FIG. 14 shows a spacer, (a) is a plan view thereof,
(B) is a side view thereof.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Double floor unit 2 ... Unit base 20 ... Prop 21 ... Connecting member 3 ... Panel piece 30 ... Leg 4 ... Floor surface 5 ... Spacer 6 ... Wiring groove cover 7 ... Wiring groove cover 8 ... Wiring equipment plate 9 ... Outlet 10 ... Wiring equipment plate 11 ... Wiring equipment 12 ... Electrical cable 13 ... Layered carpet

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takashi Tsukui 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo Naka Industry Co., Ltd. (72) Inventor Yuichi Kawabe 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo Naka Industry (72) Inventor Goro Seki 1-4-27 Koraku, Bunkyo-ku, Tokyo Nikken Sekkei Co., Ltd. (56) References JP-A-5-287889 (JP, A) JP-A-6-322947 (JP) JP-A-6-73868 (JP, A) JP-A 5-28834 (JP, U) JP-A 62-22251 (JP, U) JP-A 64-2518 (JP, U) JP 3-55443 (JP, U) JP 4-12201 (JP, Y2) JP 4-14594 (JP, Y2) (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04F 15/024

Claims (6)

(57) [Claims] A plurality of columns arranged at intervals on a virtual plane; and a flexible connecting member for integrally connecting adjacent columns, wherein the columns and the connecting member are provided. Forming a rectangular frame body as a whole, and forming a plurality of rectangular small frame portions defined by the struts and the connecting members inside the frame body; and the small frame. The legs at the four corners can be attached to and detached from the pillars
And a plurality of panel pieces that are engaged with each other by a locking pawl and individually mounted by integrally closing the openings of the small frame portions. 2. The double-floor unit according to claim 1, wherein the support and the connecting member are integrally formed of a synthetic resin material. 3. The double-floor unit according to claim 1, wherein a slit extending in a peripheral direction of the panel piece is formed in the column. 4. The double floor unit according to claim 1, further comprising a wiring device plate mounted on the unit base instead of the panel piece. 5. When the plurality of double-floor units are arranged on a floor surface, the support pillar at a corner of the unit base and the corresponding corner of another unit base located adjacent to the unit base are provided. The double-floor unit according to any one of claims 1 to 4, wherein a spacer is arranged between the support and the support. 6. A wiring groove is formed between two double floor units adjacent to each other via the spacer, and the wiring groove lid is supported by a support of the two double floor units. The double floor unit according to claim 5, wherein the wiring groove is closed.