JP2552281Y2 - Floor wiring equipment - Google Patents

Description

[Detailed description of the present invention] [Industrial application field] The present invention makes it easy to wire power lines, telephone lines, signal lines, etc., and branch / remove each device in computer rooms and office automation equipment rooms. The present invention relates to a floor wiring device that can be used, and more particularly to a wiring device on a floor in which wiring grooves are formed in a grid pattern.

[Conventional technology]

A pillar-supported double floor is known in which a spacing member such as a small support or a small block is arranged on a floor surface of concrete or the like, and a rectangular panel is spread over it to form a double floor. Widely used as floor wiring devices.

This type of double-floor floor wiring device is used to extend power lines, telephone lines, signal lines, and other wiring in the space between the floor and the panel, and to make branch connections and other connections in the space.
At the place where power is taken out, a wiring box with a lid equipped with a wiring connection device such as an outlet is fitted and fixed to the hole formed in the panel, and the required wiring is connected to the connection device.
The plug of the device side cord is inserted into the connecting device and connected (for example, see Japanese Patent Application Laid-Open Nos. 60-112954 and 1-274610).

In the above-mentioned conventional floor wiring device, various electric wires are often mixed and disordered in a double floor space, and when a line of a communication system such as a telephone line or a signal line is close to a power line, In some cases, there was a failure due to the induced voltage or the wires were in contact with each other.

In order to solve the problem of the double floor type floor wiring device, a wiring groove is formed in the shape of a cross or a girder on the upper surface of a rectangular board, and the upper surface opening of the wiring groove is covered with a cover plate, and the upper surface of the board becomes flat. A groove wiring type floor wiring apparatus configured as described above is known.

This type of groove wiring type floor wiring device is, for example, a rectangular board with wiring grooves formed in a unit size, a so-called unit floor panel, is laid directly on a concrete floor or the like, and wiring grooves are formed in a grid on the entire floor, Floor wiring device (for example, Japanese Utility Model Laid-Open No.
No. 36, No. 62-131037).
It has also been implemented.

[Problems to be solved by the invention]

However, the latter laying groove wiring type floor wiring device,
Since the weight of furniture and equipment and the weight of pedestrians are applied to the cover plate of the wiring groove, the width of the wiring groove is not so wide.

Therefore, there is a problem that it is difficult to install a wiring box provided with an outlet or the like for branching or taking out a power supply in the middle of the wiring groove. Moreover, it was even more difficult where the electric wire had already passed through the wiring groove. Furthermore, the branched wire overlaps with the existing wire group, and there is a problem that the wire is cramped and the wire is damaged.

That is, the conventional wiring box with a wiring connection device is relatively easy to install in a wiring groove where no electric wire passes or in a space provided on a floor panel in a portion in contact with the wiring groove where the electric wire does not pass. However, it has not been possible to install it in a wiring groove where an electric wire has already passed, or in a space provided on a floor panel in a portion in contact with the wiring groove where the electric wire has passed. For this reason, the wiring box with the wiring connection device cannot be freely installed in a convenient place for the user. In addition, when the wiring is to be branched or extended, the conventional wiring box with a wiring connection instrument is not provided with an opening for branching and extending the wiring, and thus has a structure that cannot be freely connected.

Therefore, conventionally, the branch or extension cord has to be crawled on the floor, that is, on the walking surface, which hinders walking, and the features of the groove wiring floor wiring system cannot be fully utilized.

The present invention has been proposed in view of the above-mentioned conventional problems, and utilizes the features of the groove wiring type floor wiring system, and according to the user's convenience, the wiring box with the wiring connection device is provided at the panel portion excluding the wiring groove. Can be freely placed in any position,
Moreover, it is an object of the present invention to provide a groove wiring type floor wiring device capable of branching or extending a cord connected to a wiring connecting device of a wiring box to an arbitrary position as required.

[Means for solving the problem]

The floor wiring device of the present invention achieves the above object,
A floor panel laid so as to form a wiring route on the floor, a concave portion formed in at least a part of the floor panel, and a wiring box housed and installed in the concave portion. In a floor wiring device in which a connecting device is mounted and an opening is provided on a side other than the connecting device mounting portion, the connecting device communicates with a wiring path through which existing wiring connected to the connecting device passes. The opening is provided on a wiring path through which an extension or branch wiring is passed, and the extension or branch wiring is led out from the opening and connected to a connection device.

Further, at least a part of the floor panel can be cut off, and when the wiring box is accommodated and installed in at least a partly cut portion formed in the floor panel, the connection tool communicates with the wiring path of the existing wiring and the opening is formed. Are located in the vicinity of the intersection of the wiring paths, and extend or branch wires are led out of the openings through the wiring paths and can be connected to the connection device.

[Action]

In the present invention, a floor panel is laid so as to form a wiring path on the floor, and a wiring box is housed and installed in a recess formed in the floor panel. The existing wiring is connected to the connection device of the wiring box. The extension / branch wiring passes through the wiring path, is led into and out of the wiring box through the opening, and is connected to the connection device.

The wiring box can be installed at any position on the floor panel by cutting at least a part of the floor panel.

〔Example〕

The floor wiring device according to the present invention will be described in detail using an example with reference to FIGS. FIG. 1 is an exploded perspective view showing components of one embodiment.

By laying the floor 3 with square unit floor panels 2 having sides of, for example, 60 cm and having wiring grooves formed in a grid on the upper surface, a grid-like wiring path (continuous wiring of the above-mentioned grid-shaped wiring grooves as a wiring path) over the entire floor. (Hereinafter referred to as wiring groove)
1 are formed.

The means for fixing the unit floor panel 2 to the floor 3 includes:
Adhesive, double-sided adhesive tape, etc. are optional. The wiring groove of each unit floor panel 2 may be provided in a cross shape. In short, another configuration may be used as long as the wiring grooves 1 are formed in a grid pattern on the entire floor.

As the material of the unit floor panel 2 in the illustrated example, lightweight concrete obtained by mixing mortar or concrete with sawdust or perlite, or a hard synthetic resin is suitable.

Cables such as power lines, telephone lines, and signal lines are accommodated in the wiring grooves 1 and are extended to desired positions. Usually, cables are stored separately for each type.

The upper surface opening of the wiring groove 1 is covered with a cross-shaped cover plate 4A covering the crossing portion and a rectangular cover plate 4B covering the straight portion, and is flattened on each unit floor panel 2 which is flattened by attaching the cover plates 4A and 4B. Carpet tiles 5
Other finishing materials are applied.

On the floor where the wiring grooves 1 are formed in a grid-like manner, wiring box housing recesses 6 are provided with a certain distribution. The recess 6 is provided between two adjacent wiring grooves 1.1 so as to intersect with one wiring groove 1 orthogonal to the two wiring grooves 1.1. Both ends of the concave portion 6 also communicate with the wiring groove 1 adjacent to the intersecting wiring groove 1. Since the wiring grooves 1 of the unit floor panel 2 in the illustrated example are in a grid pattern, that is, two in each of the vertical and horizontal directions, the concave portion 6 is provided over both of the adjacent unit floor panels 2.

The wiring box 7 is accommodated and installed in the recess 6. The wiring box 7 includes a box body 8 having an open top surface, a lid support frame 9 attached from above the carpet tile 5 and fixed to the upper surface of the box body portion 8 with screws or the like. And a lid 10 which is mounted so as to be able to be turned upside down.

The box main body 8 has an opening 11 communicating with the wiring groove 1 through which both ends of the concave portion 6 communicate with each other on both short side surfaces thereof.
An opening 12 communicating with the wiring groove 1 crossing the center of the recess 6 is opened at the center of both sides on the long side.

A cable connecting device (outlet or the like) 13 is attached behind the openings 11 on the short side. The opening on the long side, that is, the central opening 12, is also open upward.

The center of the long side portion of the lid support frame 9 is
Are divided by a width substantially equal to the opening width of the central opening portion 12 of FIG. The box main body 8 may also be divided as shown by a chain line by the width of the central opening 12.

At the center of both sides of the long side of the lid 10, an ear piece 15 having a size that fits exactly at the dividing portion 14 of the lid supporting frame 9 is integrally provided.

A required cable 16 in a power line, a telephone line, a signal line, or the like passing through the wiring groove 1 formed in a lattice shape is connected to the connection device 13 of the wiring box 7, and the box body 8 is first placed in the recess 6. . Next, the carpet tile 5 is stretched, the lid support frame 9 is attached from above, and the lid 10 is closed. Then, as shown in FIG. 2, the cut portion 14 is closed by the ear piece 15 of the lid 10. Reference numeral 17 denotes a device-side cord inlet formed in the lid 10.

When a cord (not shown) attached to the device is directly connected to the connecting device 13, the cord is drawn into the wiring box 7 with the lid 10 opened, and a plug at the end of the cord is inserted into the connecting device 13, and the lid 10 is connected. Close. The cord exits on the floor through a port 17 at the edge of the lid 10.

If the device is far from the connecting device 13 and the extension cord is not enough because the cord attached to the device is not enough, plug the end of the extension cord 18 into the connecting device 13 to support the lid. The cord 18 is inserted into the wiring groove 1 facing the opening 12 through the opening 14 which is also opened above the dividing portion 14 of the frame 9 and the center of the side wall of the box body 8, and the cover plate 4A Pull out the device side cord from the cord through hole provided in 4B and expose it. When the device side cord and its extension cord 18 are accommodated in the wiring groove 1, the cover plates 4A and 4B of the groove 1 are preferably removed.

In the above-described embodiment, the ear piece 15 is formed integrally with the lid 10 as a means for closing the dividing portion 14 of the lid support frame 9, but as shown in FIG. 3, a pair of closing pieces 15A are prepared as independent parts. ,
This may be fitted to the dividing portion 14 of the lid support frame 9 and fixed to the box body 8.

FIG. 1 shows an example of the structure of the opening 12 according to the present invention.

In the embodiment described above, the wiring box 7 is installed in the floor wiring apparatus in which the required cables 16 are passed through the wiring grooves 1 formed in a lattice shape, for example, by classifying the cables 16 without overlapping the cables already wired. Can be installed.

Further, the connection of the existing cable 16 to the electric wire connection device 13 in the wiring box 7 can be performed with a margin without being entangled with other cables.

In addition, the cord of a nearby device can be inserted and connected to the connection device 13 in the wiring box 7 via a plug, and the power supply can be supplied from a remote wiring box without the wiring box near the device. If it is necessary to remove the extension cord on the equipment side that has been inserted and connected to the connection device of the remote wiring box, pull it out through the wiring box lid and crawl on the floor without having to crawl on the floor. The extension cord 18 is connected to the wiring groove 1 from which the cover plates 4A and 4B connected to the central opening 12 of the box body 8 have been removed, and the dividing portion 14 of the lid support frame 9 and the box body 8
Can be inserted from the top into the central opening 12 of the wiring box 7 and connected to the connecting device 13 of the wiring box 7.
The wiring connection work 18 is simple, and the device-side extension cord 18 is covered with the cover plates 4A and 4B, so that the appearance is good. Further, the dividing portion 14 of the lid supporting frame 9 of the wiring box 7 and the central opening 12 of the box main body portion corresponding to the dividing portion 14 are closed by the common closing means 15 or 15A. In addition, dust and the like do not enter the wiring box housing recess 9.

The floor wiring device of the above-described embodiment can perform branch connection of an existing cable, in addition to the wiring connection of the device-side cord or its extension cord.

[Effect of the invention]

 The present invention has the following effects because it has the above-described configuration.

(1) The wiring for extension or branching can be passed through the wiring path facing the opening on the side of the wiring box and can be led into and out of the wiring box through the opening. It is possible to connect to the connecting device in the wiring box without laying on the surface, and it is easy to extend or branch wiring.

(2) Since the opening is located in the vicinity of the intersection of the wiring paths configured in a lattice, the wiring for extension or branching can be drawn into and out of the wiring wiring box from any of the vertical and horizontal wiring paths. The feed wiring using the route can be easily and freely performed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of the floor wiring device of the present invention, FIG. 2 is a perspective view of a closed state of the floor wiring device of the present invention in an installed state, and FIG. 3 is a perspective view of a modified example of the lid and the lid support frame. FIG. 1 ... wiring route (wiring groove), 2 ... floor panel, 3 ... floor,
4A, 4B: Cover plate, 6: Partially cut portion (recess), 7: Wiring box with lid, 8: Box body, 9: Lid support frame, 10: Lid, 12
… Opening for wiring lead-in connection, 13… Connecting equipment, 16… Existing wiring, 18… Device side extension cord.

Claims (2)

(57) [Scope of request for utility model registration] 1. A floor panel (2) laid so as to form a wiring path (1) on a floor (3), and a recess (6) formed in at least a part of the floor panel (2). A wiring box (7) housed and installed in the recess (6), a connection device (13) is mounted on a side portion of the wiring box (7), and an opening is formed on a side portion other than the connection device mounting portion. In the floor wiring device provided with a part, the connection device (13)
Is connected to the wiring path (1) through which the existing wiring (16) connected to the connecting device (13) passes, and the opening (1)
2) is provided on the wiring path (1) through which the extension or branch wiring (18) passes, and the extension or branch wiring (1) is provided.
8) A floor wiring device, wherein the floor wiring device is configured so that 8) can be led into and out of the opening (12) and can be connected to the connecting device (13). 2. A floor panel (2) laid on a floor (3) so as to form a wiring path (1) and at least partially cut off, and at least a part cut off on the floor panel (2). Wiring box (7) housed and installed in part (6)
And a connecting device (13) connected to an existing wiring (16) in a wiring path mounted on a side portion of the wiring box (7), and a wiring lead-in connection provided on a side portion other than the connecting device mounting portion. When the wiring box (7) is installed in at least a part (6) of the floor panel (2),
The connecting device (13) leads to the wiring route (1) of the existing wiring (16), and the opening (12) is located near the intersection of the wiring route (1), and the wiring for extension or branching (18) is provided. ) Through the wiring path (1), through the opening (12), and connectable to the connecting device (13).