JPH08184162A - Cover plate for floor panel of double floor - Google Patents

Abstract

PURPOSE: To ensure strenghth, and to prevent the coming-off and abnormal sound due to vibration or the like by arranging both fitting holes penetrated from the front to the rear and clips that are fixed to the fitting holes for retaining the cover plate bodies to the cutout parts of the floor panel. CONSTITUTION: The leg part of a clip 30 is inserted into the fitting hole 21 of a cover plate body 20, and a second engaging part 34 is abutted on the inner circumferential surface of the fitting hole 21 and is elastically deformed to the center side of the clip 30. Then, the clip 30 is pushed downwards so that the second engaging part 34 is drawn out from the fitting hole 21, and a first engaging part 33 is abutted on the inner circumferential surface of the fitting hole 21 so that it is elastically deformed to the center side of the clip 30. Thus, the leg part can be passed through the fitting hole 21. Then, the corner part of the first engaging part 33 is fitted to the lower end of the inner circumferential surface of the fitting hole 21, so that the clip 30 is connected to the cover plate body 20. In succession, integrated clip 30 and the cover plate body 20 are pushed down from above into the cutout part 91 of a floor panel 90, so that the second engaging part 34 is pushed in the cutout part 91. Thereafter, the second engaging part 34 pinches the floor panel 90, so that the cover plate body 20 and the floor panel 90 are connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closing plate for a floor panel of a double floor, which is capable of being firmly connected without coming off due to vibration or the like.

[0002]

2. Description of the Related Art Conventionally, as a closing plate for a floor panel of this type of double floor, a flexible locking claw is integrally formed on the closing plate, and a protruding portion is provided at a predetermined position of the locking claw. Is known (for example, Japanese Utility Model Laid-Open No. 1-280167). When the locking claw is attached to the cutout part of the panel, the locking claw is pressed against the cutout part by the deformed reaction force, and the protruding part of the locking claw is caught in the cutout part.

Further, as a conventional closing plate, a lid panel formed by a metal plate and placed on the notch and a lid panel bent downward from one edge of the lid panel to form a floor panel. It is known that there is a reinforcing plate portion that is continuous with the edge portion of the main body and a cushioning strip plate that is provided on the back surface of the strip plate portion and abuts on the floor panel. 7153 publication). The widths of the lid plate portion and the reinforcing plate portion were formed to be substantially the same as the width of the cutout portion, and they were simply placed and used from above the cutout portion.

[0004]

However, in the closing plate described in Japanese Utility Model Laid-Open No. 1-280167, the locking claws having flexibility are formed integrally with the main body of the closing plate. The first problem is that if the whole is made of a flexible material such as resin, the strength of the closing plate body becomes insufficient, and if a person or thing passes over it, it is easily damaged.

Further, in the above-mentioned conventional closing plate, since the main body of the closing plate and the locking claw are integrally molded, if the locking claw is damaged, the whole body including the closing plate body is replaced with a new one. There was a second problem that it had to be replaced. On the other hand, the closing plate described in the above-mentioned Japanese Utility Model Publication No. 6-7153 is simply placed in the cutout portion of the floor panel, so that it easily comes off due to vibration during assembly or after construction,
There is a third problem that abnormal noise occurs.

Therefore, the invention according to claim 1 has been made in view of the above-mentioned first to third problems of the prior art, and the purpose thereof is to obtain sufficient strength. At the same time, it is an object of the present invention to provide a closing plate for a floor panel of a double floor, which is hard to come off due to vibrations and the like, can prevent the generation of abnormal noise, and can easily replace parts. The invention described in claim 2 has the following object in addition to the object of the invention described in claim 1.

That is, the second aspect of the present invention is to provide a double-floor floor panel closing plate that can be more firmly fixed to the floor panel.

[0008]

The present invention is to achieve the above-mentioned object, and the contents thereof will be described below with reference to the embodiments shown in the drawings. The closing plate (10) according to the invention of claim 1 has the following two features. First
Is a closing plate main body (20), and the closing plate main body (20) has mounting holes (21) penetrating the front and back sides, as shown in FIG. 1, for example.

The second is a clip (30), which is a clip (3).
0) is fixed in the mounting hole (21) of the closing plate body (20), as shown in FIGS. 3 and 4, and the closing plate body (20) is fixed to the floor panel (90).
It is to be held in the notch (91). The invention according to claim 2 has the following two features in addition to the features of the invention according to claim 1 described above.

First, the clip (30) is, for example, as shown in FIG. 2, a collar portion (31) located at the upper end thereof and having an outer diameter larger than that of the mounting hole (21), and this collar portion (31). ), And a leg portion (32) extending downward from the mounting hole (21). Second, the leg portion (32) has a collar portion (3
It projects toward the lower surface of 1), bends when passing through the mounting hole (21), and after passing through, restores and closes between the lower surface of the collar portion (31).
The first engaging portion (3
3) and the bottom of the cover plate body (20),
(21) It bends when passing through, and after passing, it is restored and the closing plate body
A second engagement portion (34) for sandwiching and holding the floor panel (90) from the lower surface of the (20) is provided.

[0011]

[Operation] Therefore, according to the invention of claim 1,
It has the following effects. That is, the closing plate (10) is separately formed into the closing plate body (20) and the clip (30). Therefore, one closing plate body (20) can be formed of a high-strength and high-rigidity material such as metal, and the other clip (30) can be formed of an elastic material such as resin.

As a result, the notch (91) can be covered with the high-strength material, and will not be damaged even if a person or an object passes over it. Further, since the clip (30) can be formed of an elastic material, the closing plate body (20) can be held by the elastic force. As a result, it is possible to prevent the closing plate (10) from easily coming off due to vibration or the like. In addition to this, generation of abnormal noise can be prevented.

Furthermore, since the closing plate (10) is formed of two constituent parts, the closing plate body (20) and the clip (30), one of the constituent parts, the clip (30), is damaged. However, if only the clip (30) is replaced, it can be used again like a new one. Further, even if the floor panel (90) has a different shape such as the thickness due to the difference in the specifications of the floor panel (90), only the clip (30) needs to be the one that fits the floor panel (90). Therefore, it can be applied to various floor panels (90).

According to the invention of claim 2, in addition to the operation of the invention of claim 1 described above, the following operation is exhibited. That is, the leg portion (32) of the clip (30) is inserted into the attachment hole (21) of the closing plate body (20), as shown in FIGS. The leg (32) of the clip (30) is attached to the mounting hole (21).
First, the second engaging portion (34) is inserted into the mounting hole (21).
It contacts the inner peripheral surface of and bends. After that, the first engaging portion (33) contacts the inner peripheral surface of the mounting hole (21) and bends. Therefore, the legs (3
2) can pass through the mounting hole (21).

When the first engaging portion (33) passes through the inner peripheral surface of the mounting hole (21), for example, as shown in FIG. 3, the first engaging portion (3)
3) is restored, and the closing plate body (20) is sandwiched and held between the lower surface of the collar portion (31) and the lower surface. As a result, the clip (30) and the closing plate body (20) are integrally and firmly connected.

Next, as shown in FIG. 3, for example, as shown in FIG. 3, the integrated clip (30) and closing plate body (20) are attached to the floor panel (9).
Insert it according to the notch (91) in (0). Second engagement part (34)
When the sheet passes through the inner peripheral surface of the floor panel (90), for example, as shown in FIG. 4, the second engaging portion (34) is restored and the closing plate body (2
The floor panel (90) is sandwiched and held between it and 0) from above.

As a result, the closing plate body (20) and the floor panel (9
0) and are strongly connected. Therefore, the first engaging portion (3
The clip (30) and the closing plate body (20) are firmly connected by 3), and the closing plate body (20) and the floor panel (90) are strong by the second engaging portion (34). Connected to. That is, the clip (30) and the closing plate body (20) are firmly connected to the floor panel (90).

[0018]

1 to 7 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view of a closing plate for a floor panel of a double floor, FIG. 2 is an exploded vertical sectional view, and FIG. 6 is a longitudinal sectional view of the closing plate in a state where the clip and the closing plate body are connected, FIG. 4 is a vertical sectional view of the closing plate after the assembly is completed, FIG. 5 is a side view of the clip, and FIG.
Shows a front view of the clip, and FIG. 7 shows a bottom view of the clip.

In the figure, 10 indicates a closing plate for a floor panel of a double floor, and this closing plate 10 is a floor panel 90 for a double floor.
Is formed on the outer peripheral edge of the floor panel 90 and is detachably engaged with a notch 91 penetrating the front and back surfaces of the floor panel 90. Although not shown, the notch 91 is a cable or duct that is wired or piped from the inside of the space between the floor surface and the floor panel 90 floated upward from the floor surface toward the room. For closing the upper surface of the notch 91 by the closing plate 10 when it is not used.

The blocking plate 10 is roughly divided into metal blocking plate bodies for blocking the upper surface of the notch 91, as shown in FIGS.
20 and a resin clip 30 for holding the closing plate body 20 in the cutout portion 91 of the floor panel 90. These components will be specifically described. The closing plate body
As shown in FIG. 1, 20 is a thin plate rectangular shape, and in the vicinity of both ends in the longitudinal direction, a rectangular mounting hole 21 that penetrates to the front and back sides.
And a vertical plate portion 22 extending substantially vertically downward from one side end of the closing plate body 20 in the width direction.

The corner portion on the other side end side in the width direction of the closing plate body 20 is formed so as to be rounded in an arc shape. A U-shaped groove 23, which is U-shaped on the upper surface of the closing plate body 20 and around the mounting hole 21, is formed in a groove shape that is one step lower than the upper surface of the closing plate body 20. The clip
As shown in FIGS. 1 and 2, the reference numeral 30 denotes a collar portion 31 located at the upper end thereof and having an outer diameter larger than that of the mounting hole 21, and a leg portion extending downward from the collar portion 31 and passing through the mounting hole 21. 32 and.

As shown in FIG. 1, the flange 31 has a U-shape as a whole and is formed into a U-shaped groove 23 of the closing plate body 20. The thickness is also formed to be substantially the same as the depth of the U-shaped groove 23. Therefore, the upper surface of the closing plate body 20 is set to be flat even after the clip 30 is attached to the closing plate body 20.

As shown in FIGS. 1 and 2, on one side of the leg portion 32, the leg portion 32 protrudes from a substantially central position in the height direction toward the lower surface of the collar portion 31 and passes through the mounting hole 21. The height of the leg portion 32 and the anchor-type first engaging portion 33 that holds the closing plate main body 20 by sandwiching the closing plate body 20 from the vertical direction between the lower surface of the collar portion 31 after bending and passing From the position of the lower end of the direction
The bottom panel 90 protrudes toward the lower surface of the floor 20, bends when passing through the mounting hole 21, restores after passing, and holds the floor panel 90 by vertically sandwiching it between the lower surface of the closing plate body 20 and the same. And a mold second engaging portion 34. Further, on the opposite side of the leg portion 32, a shoulder portion 35 is formed which has a triangular shape with a slope facing downward and engages with a lower edge portion of the cutout portion 91 of the floor panel 90.

Although the first and second engaging portions 33 and 34 are formed on one side of the leg portion 32 in the embodiment shown in the drawings, they may be formed on both the left and right sides. As shown in FIG. 5, the first engaging portion 33 is bent in a fold-back shape from the middle of the height of the leg portion 32 toward the lower surface of the collar portion 31, and its tip shape is obtuse. In addition, it has a recessed corner portion 37, and is formed so as to be able to hold the corner portion between the inner peripheral surface and the lower surface of the closing plate body 20.

As shown in FIG. 5, the second engaging portion 34 is bent in a substantially J-shape from the lower end portion of the collar portion 31 toward the lower surface of the collar portion 31, and the floor panel 90 is cut out. It is formed so as to hold the inner peripheral surface of the portion 91. The shoulder 35 is
As shown in FIGS. 5 and 7, the first engaging portion 33 is formed so as to come into contact with the inner peripheral surface on the opposite side of the inner peripheral surface of the mounting hole 21 pressed. Then, in the vicinity of the upper end of the shoulder portion 35, the collar portion 31
A protruding portion 36 that protrudes outward is formed at a portion located below the lower surface of the closing plate body 20 by the thickness of the closing plate body 20 to prevent the clip 30 from coming off.

As shown in FIGS. 1 and 2, the notch 91 of the floor panel 90 penetrates the side edge of the floor panel 90 to the front and back, and the outer peripheral shape thereof is the closing plate body 20. A closing plate accommodating groove 92 having a depth substantially the same as the thickness of the closing plate body 20 is formed while matching the outer peripheral shape of the closing plate receiving groove 92.
As shown in FIGS. 1 to 4, the upper corner portion is cut out so that the first engaging portion 33 can be inserted into the corner portions of the cutout portion 91 and the closing plate storage groove 92 of the floor panel 90. A cutout portion 93 is formed. Further, on the inner peripheral surface of the cutout portion 91 of the floor panel 90,
A lower cutout portion 94 having a cutout downward is formed so that the second engagement portion 34 is caught.

In this embodiment, as shown in FIGS. 1 and 2, the closing plate 10 is separately formed into two parts, a closing plate body 20 and a clip 30. For this reason,
20 can be made of a high-strength and high-rigidity material made of metal, and the other clip 30 can be made of an elastic material made of resin. As a result, the notch 91 can be covered with the high-strength material, and will not be damaged or deformed even when a heavy object such as a person or an object passes over it.

Since the clip 30 is made of an elastic material, the closing plate body 20 can be held on the floor panel 90 by an elastic force. As a result, it is possible to prevent the closing plate 10 from easily coming off due to vibration or the like. Furthermore, since the closing plate 10 is formed of two constituent parts of different materials, that is, the closing plate main body 20 made of metal and the clip 30 made of resin, the clip which is one of the constituent parts is assumed.
Even if 30 is damaged or deformed, if only the inexpensive clip 30 is replaced, the closing plate body 20 can be used as it is up to now and can be used again like a new one. That is, repair and repair are easy,
Maintenance can be facilitated.

Also, even if the shape of the floor panel 90, such as the thickness, changes due to the difference in the specifications of the floor panel 90, it is only necessary to use the clip 30 that matches the shape of the floor panel 90. The floor panel 90 can be freely adapted. Next, a procedure for attaching the closing plate 10 having the above-described configuration will be described. As the above-mentioned mounting procedure, first, the closing plate body 20 and the clip 30 may be assembled first, and then the leg portion 32 of the clip 30 may be inserted and fitted in alignment with the cutout portion 91 of the floor panel 90, Or notch 91 in floor panel 90
Alternatively, the closing plate body 20 may be placed first, and finally, the leg portions 32 of the clip 30 may be inserted and attached in alignment with the mounting holes 21 of the closing plate body 20.

In this embodiment, according to the former mounting procedure,
This will be described below. First, the leg portion 32 of the clip 30 is shown in FIG.
As shown in 2, mounting holes for the closing plate body 20 are directed downward.
Insert according to 21. The leg 32 of the clip 30 is attached to the mounting hole 21.
Then, the second engaging portion 34 comes into contact with the inner peripheral surface of the mounting hole 21 and elastically deforms and bends toward the center of the clip 30. Therefore, the lower portion of the leg portion 32 passes through the inside of the mounting hole 21.

When the clip 30 is pushed further downward, the second engaging portion 34 comes out of the mounting hole 21. Further, when the clip 30 is pushed downward, the first engaging portion 33 contacts the inner peripheral surface of the mounting hole 21 and elastically deforms and bends toward the center of the clip 30. Therefore, the leg portion 32 can pass through the mounting hole 21.

When the first engaging portion 33 passes through the inner peripheral surface of the mounting hole 21, the first engaging portion 33 elastically restores to close the closing plate body 20 with the lower surface of the collar portion 31. It is sandwiched and held from the vertical direction. That is, the corner portion 37 of the first engaging portion 33 fits into the lower end portion of the inner peripheral surface of the mounting hole 21. As a result, as shown in FIG. 3, the clip 30 and the closing plate body 20 are firmly connected to each other.

Next, when the integrated clip 30 and the closing plate body 20 are pushed inward from above the cutout portion 91 of the floor panel 90, the second engaging portion 34 is cut into the cutout portion of the floor panel 90.
It is pushed inside 91. The second engaging portion 34 is a floor panel
The inner peripheral surface of 90 contacts and bends. Therefore, the leg portion 32 can pass through the inside of the floor panel 90. Then, when the second engaging portion 34 passes through the inner peripheral surface of the floor panel 90 and the lower surface of the collar portion 31 of the clip 30 contacts the upper surface of the U-shaped groove 23 of the closing plate body 20, the second engaging portion 34 The engaging portion 34 is caught in the lower cutout portion 94 of the floor panel 90. As a result, the second engaging portion 34 restores and holds the floor panel 90 by sandwiching the floor panel 90 from the up-down direction with the closing plate body 20. As a result, the closing plate body 20 and the floor panel 90 are firmly connected.

Therefore, the clip 30 and the closing plate body 20 are firmly connected by the first engaging portion 33, and
The closing plate body 20 and the floor panel 90 are firmly connected by the second engaging portion 34. That is, with respect to the floor panel 90,
The clip 30 and the closing plate body 20 are firmly connected. Since the closing plate 10 according to the present embodiment is firmly fixed by the elastic force of the clip 30 unlike that which is simply placed by its own weight, the floor panel 90 is not limited to a horizontal state and is inclined. The blocking plate 10 does not come off even in the vertical state and the vertical state.

Therefore, before fixing the floor panel 90 on the floor surface, the floor panel 90 can be installed on the floor surface after fixing the closing plate 10 to the floor panel 90 in advance on site. As a result, the assembly work at the site can be facilitated.
Further, since the closing plate 10 can be already attached in advance when the floor panel 90 is shipped from the factory, it is possible to further promote the factory production of the assembly work and further improve the efficiency of the assembly work on site. Can be improved.

Next, FIG. 8 shows a second embodiment of the present invention, which is a plan view of the closing plate body.
The feature of the second embodiment is that, as shown in FIG.
The point is that a circular outlet 51 is formed in the center of 50 so as to penetrate the front and back. When the outlet 51 is not used, it may be closed by a circular lid having a substantially same shape, though not shown.

In the description of the second embodiment, the same components as those of the first embodiment described above will be designated by the same reference numerals and the description thereof will be omitted. According to the second embodiment, in addition to the action and effect described in the first embodiment described above, a cable or the like is drawn out from under the floor panel 90 with the closing plate 10 fixed to the floor panel 90. It can be pulled out indoors from 51.

Further, since the outlet 51 is formed in a circular shape, it is possible to suppress damage to the outer skin of the cable and the like, and to prevent dust and the like from the room from entering under the floor panel 90. Next, FIG. 9 shows a third embodiment of the present invention, which is a plan view of the closing plate body.

The feature of the third embodiment resides in that a U-shaped outlet 61 is formed at the center of the closing plate body 60 so as to penetrate both sides. When the outlet 61 is not used, although not shown, it may be closed by a U-shaped lid having substantially the same shape. In the description of the third embodiment, the first embodiment described above is used.
The same components as those in the embodiment are designated by the same reference numerals and the description thereof will be omitted.

According to the third embodiment, the first described above
In addition to the action and effect described in the embodiment, a cable or the like can be pulled out from the bottom of the floor panel 90 into the room through the outlet 51 while the closing plate 10 is fixed to the floor panel 90. Moreover, according to the third embodiment, in addition to the function and effect of the second embodiment described above with reference to FIG. The cable can be taken out and taken in and out smoothly even if a tensile force is applied to the cable during use, so damage to the outer skin of the cable can be suppressed and the reliability of the cable can be further improved. You can

[0041]

Since the present invention is constituted as described above, it has the following effects. Claim 1
According to the described invention, sufficient strength can be obtained, and
It is difficult to come off due to vibration, etc., and it is possible to prevent the generation of abnormal noise.
It is possible to provide a floor panel closing plate of a double floor in which parts can be easily replaced.

According to the invention of claim 2, in addition to the effect of the invention of claim 1 described above, the following effect is exhibited. That is, according to the second aspect of the present invention, it is possible to provide a double-floor floor panel closing plate that can be more firmly fixed to the floor panel.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a closing plate for a floor panel of a double floor.

FIG. 2 is an exploded vertical sectional view showing a closing plate for a floor panel of a double floor.

FIG. 3 is a vertical cross-sectional view showing the closing plate in a state where the clip and the closing plate body are connected to each other.

FIG. 4 is a vertical cross-sectional view showing the closing plate after the assembly is completed.

FIG. 5 is a side view showing a clip.

FIG. 6 is a front view showing a clip.

FIG. 7 is a bottom view showing the clip.

FIG. 8 shows a second embodiment of the present invention, which is a plan view showing a closing plate body.

FIG. 9 shows a third embodiment of the present invention, which is a plan view showing a closing plate body.

[Explanation of symbols]

 10 Closing plate 20 Closing plate main body 21 Mounting hole 22 Vertical plate portion 23 U-shaped groove 30 Clip 31 Collar portion 32 Leg portion 33 First engaging portion 34 Second engaging portion 35 Shoulder portion 36 Projection portion 37 Corner portion 50 Closing plate body 51 Drawout 60 Closing plate body 61 Drawout 90 Floor panel 91 Notch 92 Closing plate storage groove 93 Upper notch 94 Lower notch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hideaki Takahashi 1 184 Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa 1 Nifco Co., Ltd.

Claims (2)

[Claims] 1. Formed on the outer peripheral edge of a floor panel of a double floor,
In a closing plate that is detachably locked to a cutout that penetrates the front and back surfaces of the floor panel, the closing plate is fixed to the closing plate main body having mounting holes that penetrate the front and back sides, and the mounting hole of the closing plate main body. , A double-floor floor panel closing plate, comprising a clip for holding the closing plate main body in a cutout portion of the floor panel. 2. The clip includes a collar portion located at an upper end thereof and having an outer diameter larger than that of the mounting hole, and a leg portion extending downward from the collar portion and passing through the mounting hole. Is a first engagement that protrudes toward the lower surface of the collar portion, bends when passing through the mounting hole, restores after passing, and sandwiches and holds the closing plate between the lower surface of the collar portion and the lower surface of the collar portion. A second panel that projects toward the lower surface of the closing plate body, bends when passing through the mounting hole, restores after passing, and sandwiches and holds the floor panel between the lower surface of the closing plate body from the vertical direction. 2. The closing plate for a floor panel of a double floor according to claim 1, further comprising: