JP3500970B2 - Floor opening / closing lid structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a floor opening / closing lid in an underfloor inspection port or an underfloor storage.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
The lid receiving frame 50 is attached to the opening 2 of the floor 1, the outer flange 51 at the upper end of the lid receiving frame 50 covers the end of the upper surface of the floor 1 on the side of the opening 2 and the outer peripheral portion of the lid plate 5. The lid frame 52 is fitted and attached, the inner flange 53 at the upper end of the lid frame 52 covers the end of the upper surface of the lid plate 5, and the lid frame 5 with the lid frame 52 attached.
Is fitted into the lid receiving frame 50 so as to be detachable upward, and the lid frame 52 is placed and supported on the placing piece 54 of the lid receiving frame 50.

In the above-mentioned conventional example, a step is formed between the outer flange 51 of the lid receiving frame 50 and the inner flange 53 of the lid frame 52 to make the appearance unsightly, and the step also occurs when walking. There was a problem that it was difficult to walk.

In the prior art, a plurality of types of lid receiving frames 50 having different sizes corresponding to the thickness of the lid plate 5 are prepared,
If the thickness of the cover plate 5 is different, there is a problem that it is necessary to select from the plurality of types of cover receiving frames 50, select, fit and mount.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and covers the upper surface of the cover plate in covering the upper surface of the cover plate and the ends of the upper surface of the floor on the opening side. There is no step between the top surface of the floor and the part that covers the opening-side end, so that the appearance is good and the walkability is good, and even if the thickness of the cover plate is different, one type of receiving part It is an object of the present invention to provide a structure of a floor opening / closing lid that can be dealt with by.

[0006]

In order to solve the above-mentioned problems, the structure of the floor opening / closing lid according to the present invention is such that a mounting portion 3 is provided on the inner peripheral portion of the opening 2 of the floor 1, and the floor opening / closing lid is provided. 4, a side piece 6 that covers the side surface of the lid plate 5 and a mounting horizontal piece 7 that is integrated with the side piece 6 and that is mounted on the mounting portion 3 are provided on the outer peripheral portion of the cover plate 5 that constitutes the main body of FIG. To form a receiving portion 8 having an L-shaped cross section, and stacking a vertical piece 10 of an edge frame 9 having a T-shaped cross-section on the side piece 6 so that the mounting position can be adjusted in the vertical direction. A half of one side of the upper horizontal piece 11 covers the end of the upper surface of the lid plate 5 and the upper end of the side piece 6, and the mounting horizontal piece 7 is placed on the placing part 3 and has a T-shaped cross section in a closed state. The other half of the upper lateral piece 11 of the edge frame 9 covers the end of the upper surface of the floor 1 on the opening 2 side. With such a configuration, when the opening 2 of the floor 1 is closed by the lid plate 5 with the receiving portion 8 to which the edge frame 9 is attached being attached to the lid plate 5, the edge frame 9 having a T-shaped cross section The ends of the lid plate 5 and the opening 2 of the floor 1 are covered with the ends of the upper surface of the lid plate 5 and the end of the floor 1 on the opening 2 side, respectively, on both sides of the upper horizontal piece 11. In order to cover the upper surface of the lid plate 5 and the end of the upper surface of the floor 1 on the side of the opening 2 side, the portion that covers the upper surface of the lid plate 5 and the opening of the upper surface of the floor 1 can be covered. A step is not formed between the end portion on the second side and the portion covering the end portion. Also, the lid plate 5
If the thicknesses of the two are different, the vertical plate 10 of the edge frame 9 is attached to the side piece 6 in a stacked manner, and the vertical mounting position is adjusted, so that the lid plates 5 of various thicknesses can be easily accommodated. It is a thing.

Further, a flat container-shaped lid receiving member 13 having an opening at the upper side is provided, and the lid plate 5 is fitted into the lid receiving member 13, and the outer surface portion of the flat container-shaped lid receiving member 13 and the lid receiving portion 13 material. It is preferable to configure the side piece 6 that covers the side surface portion of the lid plate 5 and the mounting horizontal piece 7 that is mounted on the mounting portion 3 with the outer peripheral edge of the bottom surface portion. With such a configuration, substantially the entire bottom surface of the lid plate 5 can be supported by the flat container-shaped lid receiving member 13, and the support strength of the lid plate 5 is increased.

Further, it is preferable that at least the lid receiving member 13 is formed as an integrally molded product of synthetic resin. With such a configuration, the reinforcing ribs 14 can be integrally provided on the bottom surface of the flat container-shaped lid receiving member 13, and the support strength of the lid plate 5 can be improved.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below based on the embodiments shown in the accompanying drawings.

FIGS. 1 to 5 show an example of a structure for mounting a floor opening / closing lid at a floor inspection port. On the inner peripheral portion of the opening 2 of the floor 1, a floor base member 15 such as Daihiki or joist is provided.
The floor plate 16 is mounted and fixed on the floor base member 15 around the opening 2. Floor base material 1
A receiving bar 16 is fixed to the lower part of the inner surface of the receiving bar 1.
The upper surface of 6 serves as the mounting portion 3.

In the outer peripheral portion of the lid plate 5 which constitutes the main body of the opening / closing lid 4 of the floor 1, a side piece 6 for covering the side surface portion of the lid plate 5 is formed on the side portion of the lid plate 5 and is integrated with the side piece 6 and the front side. A receiving portion 8 having an L-shaped cross section, which is composed of a horizontal placement piece 7 to be placed on the writing portion 3, is attached. In the embodiments shown in the accompanying drawings,
As shown in FIG. 6, a side piece 6 and a mounting portion 3 that cover the side surface portion of the lid plate 5 with the outer side surface portion of the outer peripheral portion and the outer peripheral end portion of the bottom portion of the flat container-shaped lid receiving member 13 having an opening at the top, respectively. And the placing horizontal piece 7 placed on the. That is, in the present embodiment, the outer peripheral portion of the flat container-shaped lid receiving member 13 is the receiving portion 8 having an L-shaped cross section. Further, in the present embodiment, the lid plate 5 is fitted into the lid receiving member 13 having a flat container shape to fix the lid receiving member 13 to the lid plate 5. The side piece 6 is provided with a hole 17 as shown in FIG.

The edge frame 9 has a rectangular frame shape in plan view as shown in FIG. 7, and the edge frame 9 has a substantially T-shaped cross section.
The vertical piece 10 of the edge frame 9 having a T-shaped cross section is provided with a long hole 18 which is long in the vertical direction, and vertical rib portions 19 are provided on both sides of the long hole 18 on the outer surface of the vertical piece 10. The lid plate 5 is fitted into and attached to the flat container-shaped lid receiving member 13, and then the edge frame 9 having a square frame shape in plan view is fitted from above, and the vertical piece 10 of the edge frame 9 is attached to the side piece 6. A hole provided in the side piece 6 by inserting the screw tool 20 from the long hole 18 in a state where one half of the upper lateral piece 11 of the edge frame 9 having the T-shaped cross section is in contact with the end portion of the upper surface of the cover plate 5. It penetrates 17 and is fixed to the lid plate 5.
In this way, the edge frame 9 having a T-shaped cross section is attached to the receiving portion 8.

As described above, the edge frame 9 and the receiving portion 8 are attached to the cover plate 5.
The opening / closing lid 4 is formed by attaching the opening / closing lid 4 to the. The opening / closing lid 4 having such a configuration is fitted into the opening 2 of the floor 1 from above and is mounted by mounting the mounting horizontal piece 7 on the mounting portion 3 as shown in FIGS. 1 to 3. And
In this way, with the opening / closing lid 4 closing the opening 2 of the floor 1,
The other half of the upper lateral piece 11 of the edge frame 9 having a T-shaped cross section is placed on the end of the upper surface of the floor 1 on the side of the opening 2 to cover this portion. When the opening 2 of the floor 1 is closed by the opening / closing lid 4 in this way, the upper half of the upper edge piece 11 of the edge frame 9 which covers the upper end of the lid plate 5 with one half on one side is the upper half of the floor 1 with the other half on one side. Can cover the opening 2 side end of the cover plate 5 and the upper surface of the floor 1 to cover the opening 2 side end of the cover plate 5 and the upper surface of the floor 1. A step is not formed between the opening 2 and the portion covering the end on the side of the opening 2. Incidentally, in the conventional example, as already described, two members different from a member for covering the upper surface of the end portion of the lid plate 5 and a member for covering the end portion of the upper surface of the floor 1 on the side of the opening 2 different from this member. Therefore, a step may occur between two different members, but in the present invention, the edge frame 9 has a T-shaped cross section so that a step does not occur unlike the conventional case. Is.

Further, when the cover plate 5 has a different thickness, when the vertical piece 10 of the edge frame 9 is attached to the side piece 6 in a piled manner, the screw tool 20 is slid up and down in the elongated hole 18 to cover the lid piece 5. The vertical mounting position can be adjusted according to the thickness of the plate 5. Therefore, by adjusting the mounting position in the vertical direction as described above, the lid plate 5 having various thicknesses can be easily accommodated. When the screw tool 20 is fully tightened, the head of the screw tool 20 is disposed between a pair of vertical rib portions 19 provided on both sides of the elongated hole 18 as shown in FIGS. Of the screw tool 20 when the opening / closing lid 4 is fitted into the opening 2 of the floor 1 from above.
The head is located at the end of the floor plate 16 which is the edge of the opening 2 of the floor 1 so as not to hinder the fitting work. Here, by making the lower end portion of the vertical rib portion 19 an inclined portion such that the protruding length from the vertical piece 10 becomes shorter as it goes downward, the vertical rib portion 19 is guided into the opening 2 by using the inclined portion as a guide. It can be inserted smoothly.

Here, the outer peripheral portion is a receiving member 8 having an L-shaped cross section.
The flat container-shaped lid receiving member 13 is formed by integral molding of synthetic resin, and thus the flat container-shaped lid receiving member 13 is integrally molded by synthetic resin to form the receiving member 8 as a frame. In addition, it is possible to integrally form the reinforcing ribs 14 vertically and horizontally on the lower surface of the flat container-shaped lid receiving member 13 as shown in FIG. 6, and thus the reinforcing ribs 14 can be integrally formed. Therefore, when the lid plate 5 is fitted and attached, the opening / closing lid 4 can be reinforced by the reinforcing ribs 14 formed integrally with the flat container-shaped lid receiving member 13 against the load from above. Alternatively, the entire edge frame 9 having a T-shaped cross section may be integrally formed of synthetic resin as shown in FIG. In this case, it is not necessary to frame the edge frame 9 having a T-shaped cross section.

Then, the opening / closing lid 4 is usually used as described above.
The opening 2 of the floor 1 is closed by the above procedure. However, when the underfloor inspection or the like is performed, the opening / closing lid 4 is removed.

8 to 10 show an example in which two opening / closing lids 4 are arranged in the opening 2 of the floor 1 so as to be openable / closable. In this structure, a central receiving bar 16a is installed in the center of the opening 2, and a central support frame member 45 is mounted and fixed to the central part of the upper surface of the central receiving bar 16a. The upper and lower portions of the central receiving frame 16a are mounted on both sides of the upper surface of the center receiving bar 16a, and the horizontal horizontal pieces 7 of the opening / closing lids 4 on both sides are mounted and supported. The other half of the upper lateral piece 11 of the edge frame 9 of the opening / closing lid 4 on both sides is placed on each side.

In the above embodiment, the example of the lid at the underfloor inspection port is shown as the opening / closing lid 4, but the lid 4 is not necessarily limited to this, and the opening / closing lid 4 may be a lid in the underfloor storage. 11 to 13 show an example in which the opening / closing lid 4 is a lid in an underfloor storage. In the present embodiment, not only is the mounting portion 3 for mounting the mounting horizontal piece 7 of the opening / closing lid 4 provided on the receiving bar 16, but also the underfloor storage container 25
Storage container support 27 for mounting the upper flange 26
Since the other points are the same as the above-described embodiment in that the point where is provided is the same as the above-described embodiment, duplicate description will be omitted,
Different configurations will be described. In FIG. 11 and FIG. 12, the portion of the upper surface of the receiving bar 16 on the floor base member 15 side serves as the mounting portion 3 on which the mounting horizontal piece 7 of the opening / closing lid 4 is mounted. An end of the upper surface portion away from the floor base member 15 serves as a storage container support 27, and an upper flange 26 of the underfloor storage container 25 is placed and supported on the storage container support 27. ing. In addition, in FIG. 13, a storage container support portion 27 made of an L metal fitting or the like, which is separate from the reception rail 16, is fixed to the inner side surface of the reception rail 16 whose upper surface is the mounting portion 3, and the storage container support portion 27 is provided. Under floor storage container 2
5 supports and supports the upper flange 26 of the mounting part 3
The mounting horizontal piece 7 of the opening / closing lid 4 is mounted on the.

Normally, the opening / closing lid 4 is kept closed. However, when loading / unloading a storage item into / from the underfloor storage container 25, the opening / closing lid 4 is opened to open the opening 2 of the floor 1. A storage item is put in and taken out of the underfloor storage container 25. Here, when the underfloor storage container 25 is removed upward to take in and out the stored items, or when the underfloor storage container 25 is cleaned, the underfloor storage container 25 is pulled up and taken out from the opening 2 to take in and out the stored items. And the underfloor storage container 25 can be cleaned.

[0020]

According to the present invention as set forth in claim 1, a placing portion is provided on the inner peripheral portion of the opening portion of the floor, and the lid is provided on the outer peripheral portion of the lid plate which constitutes the main body of the opening / closing lid of the floor. A side piece that covers the side surface of the plate and a mounting horizontal piece that is integrated with the side piece and that is mounted on the mounting portion are provided to form a receiving portion having an L-shaped cross section, and the side piece has a T-shaped cross section. The vertical pieces of the edge frame are stacked and attached so that the mounting position in the vertical direction can be adjusted freely, and the one half of the upper horizontal piece of the edge frame having a T-shaped cross section covers the end portion of the top surface of the lid plate and the upper end portion of the side piece. Section T in the state where the horizontal piece is placed on the table and the lid is closed.
Since the other side half of the upper horizontal piece of the edge frame covers the opening side end of the upper surface of the floor, when covering the end side of the lid plate upper surface and the opening side of the upper surface of the floor, There is no step between the portion that covers the top surface of the cover plate and the portion that covers the opening-side end of the top surface of the floor, and the appearance is good, and there is no stepping at the step, and walking is also good. Even if the cover plates have different thicknesses, by adjusting the vertical mounting position when the vertical pieces of the edge frame are stacked and attached to the side pieces, one type of edge frame can be used to cover lids of various thicknesses. It can correspond to a plate.

In addition to the effect of the invention described in claim 1, in the invention described in claim 2, a flat container-shaped lid receiving member having an upper opening is provided, and the lid receiving member has a lid. A plate is fitted, and a side piece that covers the side surface portion of the lid plate by the outer side surface portion of the flat container-shaped lid receiving member and the outer peripheral end portion of the bottom surface portion of the lid receiving member and a mounting horizontal piece that is placed on the mounting portion are provided. Because it is configured,
Since the substantially entire bottom surface of the cover plate can be supported by the flat container-shaped cover receiving member, the support strength of the cover plate is increased.

Further, according to the invention of claim 3, in addition to the effect of the invention of claim 2, at least the lid receiving member is formed of an integrally molded product of a synthetic resin, so that it has a flat container shape. The reinforcing ribs can be integrally provided on the bottom surface of the lid receiving member, and the support strength of the lid plate can be improved.

[Brief description of drawings]

FIG. 1 is a front sectional view of an embodiment of the present invention.

FIG. 2 is a side sectional view of the above.

FIG. 3 is an enlarged sectional view of a main part of the above.

FIG. 4 is a plan view showing a state in which a lid plate of the same is removed.

FIG. 5 is an enlarged cross-sectional view of an essential part when using lid plates having the same thickness but different thicknesses.

6A is a plan view of a lid receiving member, FIG. 6B is a front view, FIG. 6C is a sectional view taken along line XX of FIG. 6A, and FIG. FIG. 7E is a sectional view taken along line YY of FIG.

7A is a plan view of an edge frame, FIG. 7B is a front view, FIG. 7C is a sectional view taken along line X′-X ′ of FIG.
(D) is a Y'-Y 'line sectional view of (a), and (e) is a side view.

FIG. 8 is a cross-sectional view showing a state in which two opening / closing lids are mounted side by side.

9A is an enlarged cross-sectional view of a portion in which two opening / closing lids are attached side by side, and FIG. 9B is an enlarged cross-sectional view of a main portion when lid plates having different thicknesses are used.

FIG. 10 is a plan view showing a state in which a lid plate of the same is removed.

FIG. 11 is an enlarged cross-sectional view of a main part of another embodiment of the present invention.

FIG. 12 is an enlarged cross-sectional view of an essential part in the case where lid plates having different thicknesses are used.

FIG. 13 is an enlarged sectional view of a main part of still another embodiment of the same.

FIG. 14 is a sectional view of a conventional example.

[Explanation of symbols]

1 floor 2 openings 3 Placement section 4 Open / close lid 5 lid plate 6 side pieces 7 Place horizontal pieces 8 Receiver 9 edge frame 10 vertical pieces 11 Upper horizontal strip 13 Lid receiving member 14 Reinforcing rib

Claims (3)

(57) [Claims] 1. A side piece for covering a side surface portion of a cover plate in an outer peripheral portion of a cover plate which constitutes a main body of an opening / closing lid of the floor and a side piece which is provided on the inner peripheral portion of the opening of the floor and is integrated with this side piece. And a mounting horizontal piece to be mounted on the mounting portion to form a receiving portion having an L-shaped cross section, and a vertical piece of an edge frame having a T-shaped cross section is overlapped on the side piece to attach at a vertical position. It is attached so that it can be adjusted freely, and the top half of the upper side piece of the edge frame with a T-shaped cross section covers the upper end of the lid plate and the upper end of the side piece, and the side piece is placed on the placing part to close the lid. The structure of the opening / closing lid for the floor, characterized in that the other end half of the upper lateral piece of the edge frame having a T-shaped cross section covers the opening-side end of the upper surface of the floor in the above state. 2. A flat container-shaped lid receiving member having an opening at the top is provided, and a lid plate is fitted into the lid receiving member, and an outer peripheral end of a flat container-shaped lid receiving member and a bottom surface of the lid receiving member. 2. The structure of the floor opening / closing lid according to claim 1, wherein a side piece that covers the side surface portion of the lid plate and a mounting horizontal piece that is mounted on the mounting portion are configured by the part. 3. The structure of the floor opening / closing lid according to claim 2, wherein at least the lid receiving member is formed of a synthetic resin integrally molded product.