JPH0545705Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a wiring outlet structure for an access floor.

(Prior technology) A double floor in which many floor panels are laid above a reference floor surface such as a concrete floor, and a free space is secured between the floor panels and the reference floor surface in which cables, ventilation ducts, etc. can be placed. Structures, namely raised floors, are known.

On the raised access floor above, wiring outlets are arranged to allow communication and signal cables for telephones, terminal equipment, etc. to be brought out from the free space under the floor to the surface of the floor panel, or from above the floor panel into the free space below the floor. are doing.

Conventionally, the above-mentioned wiring outlet has been arranged by fixing the wiring outlet member to the mounting hole of the floor panel with screws or the like, or by simply cutting out the periphery of the floor panel without fixing the wiring outlet member to the floor panel. There is.

(Problem to be solved by the invention) However, when fixing the wiring port member to a floor panel, there is a problem that a dedicated floor panel having a mounting hole into which the wiring port member is inserted is required. In addition, the installation work is troublesome because the wiring port member is fixed with screws or the like, and the wiring port member becomes large and expensive due to the mounting member of the wiring device.

Furthermore, when simply cutting out the periphery of the floor panel, there is a problem that the wiring may be damaged by the edges of the notch.

The present invention solves the above-mentioned problems of the conventional technology.The purpose of the present invention is to simplify the installation work without the need for a special floor panel or mounting member for wiring equipment, and to make the installation work easier. It is an object of the present invention to provide a wiring outlet structure of an access floor that can reduce costs by downsizing and is free from the risk of damaging the wiring.

(Means for solving the problem) In order to achieve the above-mentioned object, the wiring outlet structure of the access floor of the present invention has a sleeve portion through which wiring passes and an outlet portion, the outlet portion defines an outlet that communicates with the sleeve portion and opens in a direction perpendicular to the sleeve portion, an engaging protrusion is formed at the lower end of the sleeve portion, and a slit is formed near the engaging protrusion on the sleeve portion to facilitate displacement of the engaging protrusion, the sleeve portion is inserted from above the floor panel into a mounting opening formed by a cutout in the peripheral edge of a floor panel and the peripheral edge of another floor panel arranged adjacent to the floor panel, the outlet portion is positioned on the surface of the floor panel, and the engaging protrusion is engaged with the peripheral edge of the mounting opening in a freely releasable manner.

(Function) In the present invention having the above configuration, the sleeve portion is inserted from above the floor panel into the mounting hole formed by the notch at the periphery of the floor panel and the periphery of another floor panel installed next to the floor panel. Then, engage the engagement protrusion with the mounting opening on the back side of the floor panel. At this time, since a slit is formed near the engagement protrusion of the sleeve portion to facilitate displacement of the engagement protrusion, the sleeve portion can be easily inserted into the mounting opening of the floor panel. As a result, the wiring port member is attached to the floor panel with the outlet portion located on the surface of the floor panel,
When installing the wiring port member, there is no need for a dedicated floor panel having a mounting hole, and there is no need for a mounting member for a wiring device. Wiring from the free space below the floor panel passes through the sleeve and is drawn out from the outlet to the surface of the floor panel, while wiring on the surface of the floor panel passes from the outlet to the sleeve and into the free space below the floor panel. In either case, the wiring is protected by the sleeve part and the outlet part.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

1 to 4 show an embodiment of the present invention. The free access floor 1 is constructed by laying a plurality of floor panels 2 on a reference floor surface 3 such as a concrete floor via support legs 4, and has a raised floor space 1 where devices such as telephones and terminal devices are installed. A wiring outlet 6 is arranged for leading the communication/signal cable 5 from the free space under the floor to the surface of the floor panel, or from above the floor panel into the free space under the floor. This wiring outlet 6 is a square-shaped installation opening 7 (see FIG. ) to the wiring port member 8
It is constructed by inserting the

The wiring port member 8 is made of synthetic resin and is shown in FIGS. 2 and 3.
As shown in the figure, an outlet part 10 for protecting the cable 5 is provided at the upper end of a sleeve part 9 having a square cross section that is inserted into the mounting opening 7, and an outlet part 10 for protecting the cable 5 is provided at the outer periphery of the lower end of the sleeve part 9. An engaging protrusion 11 is provided around the attachment opening 7 and engages releasably. A slit 9a extending from the lower end to the middle part is formed at each corner of the sleeve part 9, and the side wall 9b is bent inward so that the sleeve part 9 can be smoothly inserted into the notch 7. Further, a slit 9c extending from the lower end to the upper end is provided in the center of one side wall 9b of the sleeve portion 9 (the side wall 9b located in the direction in which the outlet portion 10 extends, see FIG. 2). When passing the wire through, the slit 9c allows the sleeve portion 9 to be opened outward as shown in FIG. The outlet part 10 extends horizontally at right angles to the sleeve part 9, and has both lengthwise ends for pulling out the cable 5 onto the floor panel 2, or for pulling out the cable 5 on the floor panel 2 into the space under the floor. Outlet ports 10a and 10b for retraction are provided. In addition, 14 in FIG. 2 and FIG. 3 is a floor finishing material.

Now, referring to Figures 1 to 3, the wiring outlet 6
We will explain how to arrange the . First, a mounting opening 7 is formed in the floor panel 2 at or near a location where a telephone, terminal equipment, etc. will be installed. The notch 7a constituting the mounting port 7 can be easily formed by press processing in advance at a factory or by cutting the flange portion 2a at the periphery of the floor panel 2 at the construction site. Next, the sleeve portion 9 is inserted into the mounting opening 7. When inserting the sleeve portion 9 into the mounting opening 7, the side wall 9b is once bent inward, and the engaging protrusion 1
1 protrudes to the back side of the floor panel 2, it returns to its original position due to the restoring elastic force, and the engagement protrusion 11 connects to the mounting hole 7.
It is prevented from coming off by engaging around the periphery. As a result, the wiring port member 8 is fixed with the outlet portion 10 located on the floor panel 2, and the cable 5 can be pulled out from the free space under the floor to the surface of the floor panel 2, or the cable 5 can be pulled out from the floor panel 2.
can be pulled into the free space under the floor. In addition, by inserting the wiring port member 8 into the outlet 7 with the cable 5 inserted in advance,
The cable 5 can be easily drawn in and pulled out.

According to the above embodiment, the mounting opening 7 is formed by the notch 7a on the peripheral edge of the floor panel 2 and the peripheral edge 7b of the floor panel 2 installed next to it.
Since the sleeve part 9 is fitted inside, there is no need for a dedicated floor panel with mounting holes or a mounting member for wiring equipment, and it can easily accommodate the addition and movement of equipment such as telephones. . Further, since the engaging protrusion 11 is engaged with the periphery of the attachment opening 7 on the back side of the floor panel 2, the installation is simple without requiring fixing work using screws or the like. In addition, since there is no need for mounting members for wiring equipment, costs can be reduced by downsizing the wiring port member 8, and the notch in the floor panel 2 can be made smaller without interfering with the floor surface. Therefore, there is no risk of reducing the panel strength. Furthermore, the cable 5 is protected from being stepped on and bent by the outlet section 10 on the floor panel 2, and is protected from being damaged or pinched by the sleeve section 9 inside the attachment port 7. Since it is protected, there is no risk of disconnection. Furthermore, since the mounting port 7 is square, the direction of the outlet ports 10a and 10b can be changed by 90° by removing the sleeve portion 9 from the mounting port 7, rotating it 90°, and inserting it again. , it is easy to change the installation position of telephones, etc.

5 to 8 show other embodiments of the wiring port member 8. FIG. The wiring port member 8 shown in FIG. 5 has a cross-shaped outlet portion 12, and has outlet ports 12a in four directions. Further, the wiring port member 8 shown in FIG. 6 has an outlet portion 13 rotatably provided at the upper end of the sleeve portion 9.
The direction of 3a can be changed freely.
That is, a cylindrical attachment portion 9c having a circumferential groove 9d is provided at the upper end of the sleeve 9, and an arcuate fitting portion 13b formed at the center of the outlet portion 13 can be rotated to the attachment portion 9e. and the fitting part 1
A protrusion 13c provided on the inner wall surface of 3b is engaged with the circumferential groove 9d. In addition, the wiring port member 8 shown in FIG.
The sleeve section 9 has a cross-shaped outlet section 12 having outlet ports 12a in four directions, and a slit 9f extending from the lower end to the upper end in the center of each side wall 9b of the sleeve section 9. Further, the wiring port member 8 shown in FIG. 8 is configured by rotatably providing an outlet portion 13 at the upper end of the sleeve portion 9 and providing a slit 9f extending from the lower end to the upper end in the side wall 9b of the sleeve portion 9. There is.

In the wiring port member 8 shown in FIGS. 7 and 8, the cable 5 can be passed from the side of the sleeve portion 9 through the slit 9f, and the wiring outlet 6 can be retrofitted without removing the wiring from the device. Therefore, it is possible to easily deal with changes in the wiring after the construction of the raised floor 1 or due to the movement of equipment.

(Effects of the invention) As explained above, according to the wiring outlet structure of the access floor of the present invention, there is no need for a dedicated floor panel or mounting member for wiring equipment, and the installation work can be easily performed. By making the members smaller, costs can be reduced, and there is no risk of damage to the wiring. Further, according to the wiring outlet structure of the access floor of the present invention, by inserting the sleeve part into the installation opening of the floor panel from above the floor panel, it can be easily installed, and the wiring outlet part can reliably protect wiring such as cables and the like that are on the surface of the floor panel and pulled out from the sleeve portion.

[Brief explanation of the drawing]

1 to 4 show an embodiment of the present invention, in which FIG. 1 is a perspective view showing the wiring state, FIG. 2 is a perspective view showing the state in which the wiring port member is inserted into the installation port, and FIG. 3 is a cross-sectional view showing the wiring port member installed, FIG. 4 is a cross-sectional view showing the sleeve portion opened outward, and FIGS. 5 to 8 show other embodiments of the wiring port member. FIG. DESCRIPTION OF SYMBOLS 1... Free access floor, 2... Floor panel, 5... Wiring (cable), 6... Wiring outlet, 7... Mounting port (notch 7a, peripheral edge 7b), 8
... Wiring port member, 9 ... Sleeve part, 9a ... Slit, 9b ... Side wall, 9c ... Slit, 1
0, 12, 13... Outlet portion, 11... Engagement protrusion.

Claims (1)

[Claims for Utility Model Registration] 1. A device having a sleeve portion through which a wiring passes and an outlet portion, the outlet portion communicating with the sleeve portion and opening in a direction perpendicular to the sleeve portion. defining an outlet, forming an engagement protrusion at the lower end of the sleeve part, forming a slit near the engagement protrusion of the sleeve part to facilitate displacement of the engagement protrusion; from above the floor panel into a mounting opening formed by a notch in the periphery of the floor panel and a periphery of another floor panel arranged adjacent to the floor panel, and insert the outlet portion into the mounting opening formed by the periphery of another floor panel arranged adjacent to the floor panel. A wiring outlet structure for an access floor, wherein the engaging protrusion is removably engaged with a peripheral edge of the attachment opening. 2. Utility Model Registration Scope of Claims 1. In the wiring outlet structure as set forth in claim 1, from the lower end of the sleeve section to the upper end of the sleeve section, there is provided a cable in the central part of the side wall of the sleeve section on the side wall of the outlet section. The wiring outlet structure is formed by forming a slit that extends up to and continues into the internal space of the outlet part.