JPH06165351A - Floor panel opening block - Google Patents

Abstract

PURPOSE:To enable a closing plate for openings of floor panels to easily cope with an increase in equipment or change in layout. CONSTITUTION:This closing plate 1 is put in an opening on at least one side of a floor panel 20 formed in a square shape by uniting a surface and rear plates in one body. At the time of putting the closing plate 1, a wire passing port forming section 7 is formed through a placing surface 24 formed by bending either one of the flanges 21 protruded into the opening of the floor panel 20 from the side edges of the surface and rear plates.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor panel, and more particularly to a closing plate detachably locked in an opening formed in a floor panel in which a front plate and a back plate are integrated.

[0002]

2. Description of the Related Art A double floor structure, in which a large number of floor panels are laid above a standard floor surface such as a concrete floor and a free space for cable wiring is secured between the floor panel and the standard floor surface, that is, free access The floor is known.

In the above-mentioned free access floor, the power cables and signal cables of various electronic devices such as terminal devices and telephones are drawn from the free space under the floor to the floor panel surface, or from above the floor panel to the free space under the floor. Therefore, the floor panel is provided with an opening, and a closing plate is placed on the floor panel.
1).

[0004]

However, a closing plate is placed on the opening where the power cable or signal cable does not need to be inserted, while the opening where the power cable or signal cable is inserted. It was necessary to mount a blocking plate provided with a passage opening on the part. Therefore, when adding equipment or changing the layout, it is necessary to change to a different type of blocking plate according to the application, or to form a through hole by drilling a hole in the blocking plate. There was a problem that became complicated.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a floor panel opening closing plate made of a front plate and a rear plate, which can easily cope with an increase in equipment and a change in layout.

[0006]

In order to achieve the above object, according to the present invention, an opening formed on at least one side of a rectangular floor panel in which a front plate and a back plate are integrally formed. In the closing plate that is detachably locked to
A flange projecting from the edge of the front plate and the back plate in the opening of the floor panel, and a closing plate having a passage opening forming portion on the mounting surface formed by bending one of the flanges What is done is a structural feature.

[0007]

According to the closing plate for the floor panel opening of the present invention having such a structure, the closing plate is easily locked by having the mounting surface by the flanges of the front plate and the rear plate forming the floor panel. In addition, the passage opening can be easily formed by using the passage forming portion of the closing plate. When inserting a cable, etc., the cover plate with the passage opening is locked in the opening formed on the edge of the floor panel, while when the cable is not inserted, the passage opening is formed. The closing plate having the forming portion is locked to the opening of the floor panel to close the opening.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of a closing plate 1 for an opening portion of a floor panel according to the present invention, and is a perspective view of the closing plate 1 as seen from the back side, and FIG. 2 shows the closing plate 1. FIG. 6 is a perspective view showing a state of being attached to and detached from an opening 23 formed in the floor panel 20 of FIG. As shown in the figure, in order to form the U-shaped passage opening 8 (see FIG. 3) in the closing plate 1, guide portions 2 and 3 are provided on the upper surface and the lower surface, respectively. 2 is formed so as to be located on the outer periphery of the guide portion 3 on the lower surface. A U-shaped passage opening 8 is formed by sandwiching the passage forming portion 7 surrounded by the guide portion with a tool such as pliers and punching it upward to open it. At this time, since step portions are formed in the removed passage opening forming portion 7 and the passage opening 8, it is possible to reattach the removed passage opening forming portion 7 to the passage opening 8. Further, even when a load is applied from above due to walking, installation of equipment, etc. when the closing plate 1 with the passage opening forming portion 7 not forming the passage opening 8 attached thereto is locked in the opening 23, Passage forming part 7
Since the upper guide portion 2 is formed on the outer periphery of the lower guide portion 3, it does not fall off.

An opening 23 for detachably locking the closing plate 1.
As shown in FIGS. 3 and 4, the floor panel 20 having is formed in a plan view rectangular shape by integrating the front surface plate 20a and the rear surface plate 20b. Opening 2 of floor panel 20
3 is a mounting surface 24 having a flange 21 protruding from the edges of the front plate 20a and the back plate 20b and a curved portion 21a formed by bending the end of the flange 21 of the front plate 20a downward. The peripheral edge of the lower surface of the closing plate 1 is placed and locked. Further, the mounting surface 24 is provided with an engagement hole 22 for engaging with the projection 6 formed on the corresponding lower surface of the closing plate 1 when mounting the closing plate 1.

At both ends of the closing plate 1 in the lengthwise direction, there are locking claws 4 each having a chevron portion releasably locked to a flange 21 forming a mounting surface 24 of the floor panel 20, and a tool such as a screwdriver. And operation slits 5 into which are inserted are respectively formed.

In FIG. 3, the passage opening forming portion 7 is punched and opened to lock the closing plate 1 having the passage opening 8 on the mounting surface 24 of the opening 23, and the passage opening forming portion 7 is formed. It is a perspective view which shows the state which inserted the cable 10 in the passage opening 8 formed except for. 4 is a sectional view taken along the line AA of FIG. The passage opening 8 can be easily formed by sandwiching the passage forming portion 7 of the closing plate 1 with a tool such as pliers, and then punching it upward to open it. This passageway 8
Is formed in a U shape and opened on the side and is formed on the side facing the floor panel 20, so that the cable 10 is inserted into the opening 23 in advance, and then the cable 10 and the passage opening are formed. 8 can be aligned and the closing plate 1 can be locked,
It is possible to easily insert the cable 10 and improve workability.

Here, the closing plate 1 is press-fitted from above so that the projection 6 engages with the engagement hole 22 of the floor panel 20 and the chevron portion 4a of the locking claw 4 locks with the flange 21. , Is easily and surely attached to the opening 23. Therefore, the closing plate 1 may rattle or the cable 10
It does not come off when it is moved.
Then, by inserting a tool such as a screwdriver through the operation slit 5 and removing the chevron portion 4a of the locking claw 4 from the flange 21, the closing plate 1 can be easily taken out from the opening 23.

As shown in FIG. 5, the side of the floor panel 20 where the opening 23 is not formed is adjacent to the side of the other floor panel 20 where the opening 23 is formed. When the panel 20 is laid, the floor panel 20
The openings 23 are arranged on all four sides of the cable, and the cable 10 can be pulled out from an appropriate position. That is, by opening the opening 23 of the floor panel 20 which does not need to be inserted with a cable or the like, the closing plate 1 having the passage opening forming portion 7 having no passage opening is locked, It can be used as a normal floor panel that is closed and does not hinder the installation or walking of equipment. On the other hand, if the passage opening forming portion 7 is removed and the closing plate 1 having the passage opening 8 formed therein is locked in the opening 23 so that the opening portion of the passage opening 8 faces the floor panel 20, the floor panel for equipment is installed. Change to. At this time, the required number of passage openings 8 depends on the number of cables.
Should be formed. Further, if the closing plate 1 is removed, it can be used as a floor panel for equipments into which a large harness, a flat cable or the like can be inserted. Therefore, it is possible to easily deal with the addition of devices and the change of layout.

When mounting the wiring device 12 such as an outlet, as shown in FIG. 6, the mounting plate 11 is fixed to the flange 21 with the screw 13 instead of the closing plate 1, and thereafter, in the mounting hole of the mounting plate 11. The wiring device 12 may be fitted and fixed to the. At this time, the engagement hole 22 can be used as a screw hole, and the floor panel 20 does not need to be specially processed. Further, in FIG. 7, the floor panel 20 is laid so that the openings 23 are aligned with each other, the large mounting plate 14 is fixed to the opening, and then the large wiring device 15 is installed in the mounting hole of the mounting plate 14. Are fitted and fixed.

[0016]

As described above, according to the closing plate for the floor panel opening of the present invention, the edge of the front plate and the back plate is provided in the opening of the floor panel which is more integrated with the front plate and the back plate. The closing plate is placed by forming a mounting surface having a flange protruding from the edge and a curved portion formed by bending one of the flange ends, and the closing plate is easily and firmly mounted. In addition, the cable inserted through the passage opening formed by the passage forming portion of the closing plate is prevented from being damaged, and the cable moving operation can be performed smoothly. Further, the closing plate is detachably and surely attached to the opening of the floor panel through the engagement of the engagement hole and the protrusion. Therefore, it is possible to easily deal with the addition of devices and the change of layout.

[Brief description of drawings]

FIG. 1 is a perspective view of a closing plate of the present invention seen from a back surface side.

FIG. 2 is a perspective view showing a state in which a closing plate is attached to and detached from a floor panel.

FIG. 3 is a perspective view showing a state in which a cable is inserted by locking a closing plate having a wire passage opening in an opening.

4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a perspective view showing a construction state of a free access floor.

FIG. 6 is a top view showing a state in which a wiring device is mounted by fixing a mounting plate instead of the closing plate.

FIG. 7 is a top view showing a state in which a large-sized wiring board is fixed by fixing a large-sized mounting plate by aligning two openings.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Blocking plate, 6 ... Protrusion, 7 ... Passage port forming part, 8 ... Passage port, 20 ... Floor panel, 21
... flange, 21a ... curved portion, 22 ... locking hole,
23 ... Opening part, 24 ... Mounting surface.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takehiko Okushima 39 Shinmachi, Yashio City, Saitama Prefecture, Tokyo Institute of Technology Naka Research Co., Ltd. (72) Takao Okumura 39 Shinmachi, Yashio City, Saitama Prefecture Naka Gijutsu Technology Co., Ltd. Research Institute Tokyo Research Institute (72) Inventor Tatsuo Shoji 39 Shinmachi, Yashio City, Saitama Prefecture Naka Technical Research Institute Co., Ltd.Tokyo Research Institute (72) Inventor Tetsuo Tobikawa 39 Shinmachi, Yashio City Saitama Prefecture Naka Technical Research Institute Co., Ltd. Inside Tokyo Institute

Claims (2)

[Claims] 1. A closing plate detachably locked to an opening formed on at least one side of a rectangular floor panel formed by integrating a front plate and a back plate into an opening of the floor panel. A floor panel in which a flange protruding from an edge of the front plate and a back plate and a closing plate having a passage opening forming portion are locked to a mounting surface formed by bending one of the flanges in the portion. Board. 2. The closing plate for a floor panel according to claim 1, wherein the closing plate is locked by inserting a protrusion provided on a lower surface into a locking hole formed in a mounting surface of the floor panel.