JP2542713Y2 - PC floor slab with built-in wiring groove - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The invention relates to a PC floor slab having a groove for OA wiring.

(Prior Art) In a conventional slab for OA wiring, piping for OA wiring was driven in at the time of floor slab construction.

(Issues to be solved by the invention) For this reason, phase work of floor framing work and electrical work is required,
There was a problem with workability.

In addition, there is a problem that it is not easy to cope with a change in layout, expansion and relocation of OA equipment and the like, and the position for pulling out a cable is limited.

The present invention has been proposed in view of the above-mentioned problems of the prior art. The purpose of the present invention is to provide excellent workability, to easily cope with layout changes, addition and relocation of equipment, and to enable cable extraction. An object of the present invention is to provide a PC floor slab with a built-in wiring groove which can be easily performed.

(Means for Solving the Problems) In order to achieve the above object, a wiring groove built-in according to the present invention is provided.
The PC slab, on the surface side of the PC slab, is provided with a plurality of wiring grooves that are continuous with the adjacent slabs in both the vertical and horizontal directions substantially in the center of the slab, and the adjacent slabs. A space for a relay box that communicates with the wiring groove over the joint of
The wiring groove and a cover of the groove are provided with a cutout portion for wiring extraction.

(Operation) Since the PC slab according to the present invention is configured as described above, the PC slab is vertically and horizontally arranged on the floor.
The wiring grooves provided on the PC floor slab form wiring grooves that are continuous in the vertical and horizontal directions of the floor, and the wiring grooves can be housed in the wiring grooves in an orderly manner.

Further, since a space for a relay box is continuously provided in the wiring groove in the PC floor slab, a relay box for data is installed in the same space as a power supply and a telephone, and a distribution box, a terminal box, and a terminal box to a relay box. After wiring, place the desk with a unit cable with a connector from the relay box to the outlet of the desk on the floor and the modular jack,
By connecting in accordance with the desk position, it is possible to easily cope with layout changes and addition and relocation of equipment.

Further, the cable can be pulled out from a required position on the wiring groove by the wiring groove and the cutout portion for wiring extraction provided in the lid of the groove.

(Embodiments) The present invention will be described below with reference to the illustrated embodiments.

(A) is a PC floor slab, and a plurality of wiring grooves (1) are provided in both the vertical and horizontal directions substantially at the center of the floor slab (A) on the front side.
When the PC slabs (A) are arranged, the vertical and horizontal wiring grooves (1) of the adjacent PC slabs (A) are configured to be continuous.

A space (2) for a relay box is continuously provided in a part of the wiring groove (1). In the illustrated embodiment, a half of the space (2) is provided at a joint end of the PC floor slab (A). And
A junction box space (2) is formed across the joint (B) between the adjacent PC floor slabs (A) and (A).

A cover made of a galvanized steel plate is fitted in the wiring groove (1) of the PC floor slab (A).

The lid comprises a cross-shaped lid (4a) for a crossing portion and a lid (4b) for a straight portion, and the lid (4b) is provided with a cutout portion (5) for taking out wiring.

The cutout (5) is provided at the same position as the cutout (6) provided in the wiring groove (1) of the PC floor slab (A). (See FIGS. 5 and 7 as well as FIG. 8.) In FIG. 5, (7) is a step portion for fitting the lid (4b) provided at the upper end edge of the wiring groove (1).

Since the illustrated embodiment is configured as described above,
The PC floor slabs (A) are arranged so that the respective wiring grooves (1) communicate with each other, and a power box (8), a telephone box (9), and a data box (10) are provided in the relay box space (2). ) Are installed, and the power distribution board (P) and the telephone terminal board (Q) as well as the data terminal board (R) are arranged in the wiring groove (1) for power and telephone respectively. At the same time, connection is made with each data cable (a), and each wiring groove (1) is covered with each cover (4a) (4b).

The wiring from the relay boxes (8), (9) and (10) to the desk outlets and modular jacks will be unit cables with connectors (11). The cable (11) is drawn through the wiring groove (1), the cutouts (6) and (5) of the lid (4b), and the through holes of the tile carpet (3).

In the figure, (12) is an outlet tap, (13) is a relay box cover, (P ') is a power wiring duct, (Q') is a telephone wiring duct, and (R ') is a data wiring duct.

A cable (a) disposed in the wiring groove (1);
Are arranged in the groove (1) and fixed by a commercially available cable holder (14).

A commercially available separate bridge (15) is provided at the intersection of the wiring groove (1), and a one-way cable (a) is provided.
Is bridged on the bridge (15), and the cable (a) in the other direction is configured to pass under the bridge (15).

FIG. 10 shows a floor of a building on which the PC floor slab is provided, wherein (E) shows an elevator, (F) shows an elevator hall, and (G) shows a hot water supply corner.

(Effect of the Invention) As described above, in the PC floor slab with a built-in wiring groove according to the present invention, a plurality of wiring grooves continuous with the floor slabs adjacent to each other in both the vertical and horizontal directions are arranged in the substantially central portion on the front side. Since various cables are arranged in the wiring groove, floor slabs do not require floor driving piping as in the past, eliminating the need for floor framing and electrical work. The performance is improved. Further, by arranging the wiring groove on the upper surface of the bent slab that bears the tensile stress of the floor slab or the floor slab without the upper end bar, the floor slab can be provided without increasing the thickness of the floor slab and without disturbing the position of the reinforcing bar. The wiring groove can be arranged in the wiring groove.

In addition, a space for a relay box is continuously provided in the wiring groove, and various relay boxes are set up by using the space, so that it is possible to easily cope with a layout change, expansion and relocation of equipment, and the like.

In addition, by using the relay box and the unit cable with connector together, wiring to the device can be performed even if the user is not a specialist.

Further, since the relay box space is provided so as to communicate with the wiring groove across the joint of the adjacent floor slabs, even if a cross-sectional defect occurs due to the space, the cross-sectional defective portion may be a beam or the like. Since it is located directly above the support member, there is no structural weakness.

Further, since the wiring groove and the lid of the groove are provided with a cutout portion for taking out the wiring, the position where the cable is pulled out can be set at an arbitrary position on the wiring groove.

Further, the groove portion is also positioned on the same plane as the upper surface of the floor slab due to the lid of the wiring groove, so that walking on the floor slab, movement of equipment, and the like are not hindered.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a PC floor slab with a wiring groove according to the present invention, FIGS. 2 and 3 are plan views showing a space portion for a relay box, and a vertical sectional view, respectively. The figure shows the PC
FIG. 5 is a partial perspective view of the floor slab, FIG. 5 is a partial perspective view thereof, FIGS. 6 and 7 are plan views each showing a wiring groove cover, FIG. 8 is a plan view of a wiring groove, and FIG. FIG. 10 is a perspective view showing an arrangement state of the floor slab, and FIG. 10 is a plan view showing a floor of a building on which the PC floor slab is arranged. (A) ... PC floor slab, (2) ... space for junction box,
(4a) (4b) ... lid, (5) (6) ... cutout.

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hisashi Kimura 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation (56) References JP-A-1-198962 (JP, A) JP Showa 61-60965 (JP, A) Actual opening Hei 1-150814 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A plurality of wiring grooves, which are continuous with floor slabs adjacent to each other in both the vertical and horizontal directions at substantially the center of the floor slab, are provided on the front side of the floor slab. A space for a relay box communicating with the wiring groove extending continuously over the joint of the wiring groove, and a wiring take-out cutout portion provided in the wiring groove and a lid of the groove. Floor slab.