JPH09112020A - Floor structure for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively utilize a space under the floor of a building so as to secure a large space of housing part, and to effectively utilize a site. SOLUTION: An opening part 15 of a floor 12 of a building unit 2 is formed so as to be opened and closed by a cover member 11, and an under-floor space 20 and an under-floor room 21 continued to the under-floor space 20 are provided under the opening part 15, and a stairs 23 is provided from the under-floor space 20 to the under-floor room 21. The cover member is supported by a receiver beam 14, and a housing box and a slide box are provided in the under-floor space 20.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a floor structure of a building.

[0002]

BACKGROUND ART The floor of a building is formed by supporting floor material such as particle board on joists. Then, on the first floor of such a building, for example, on the floor of a kitchen, there may be provided one or two underfloor storage units.

[0003]

By the way, the building is arranged on a foundation, and the foundation projects upward from the ground surface by a predetermined height dimension. Therefore, a space corresponding to the height of the foundation is formed under the floor of the building.
On the other hand, since the building area is small on a small site, the issue is how to make a layout that can effectively use the site within the range of the building area. In this case, it is desirable to be able to secure a wide room, such as a living room, that directly affects life while securing a large number of storage portions. However, in a conventional building, for example, even if an underfloor is used, only one or two underfloor storage units are provided on the floor of the kitchen, and the underfloor space of the building is not sufficiently utilized. There was a problem.

It is an object of the present invention to provide a floor structure of a building, which enables the underfloor space of the building to be sufficiently effectively utilized, a large number of storage sections can be secured, and the site can be effectively utilized.

[0005]

A floor structure of a building according to the present invention will be described with reference to the drawings. As shown in FIGS. 3 and 4, the floor structure is formed on a floor 12 of a room 16 and a lid member 11 is provided. Is provided so as to be openable and closable, an underfloor space 20 provided below the opening 15, and an underfloor chamber 21 following the underfloor space 20.

In the floor structure of such a building, the lid member 11
When opened, the underfloor space 20 and the underfloor chamber 21 below the opening 15
And the underfloor space 20 and the underfloor chamber 21 can store, for example, tools that are used only in each season, which allows the underfloor space of the building to be effectively utilized. A lot of storage can be secured and effective use of the site can be planned

In the floor structure of this building, as shown in FIGS. 3 and 4, a plurality of support members 14 for supporting the lid member 11 are provided in the underfloor space 20 in parallel with each other, and the intervals between these support members 14 are set. The opening size of the opening 15 of the floor 12 is made narrower, the lid member 11 is formed in a quadrangle of a predetermined size, and the opening size of the opening 15 of the floor 12 is set to an integral multiple of the size of the lid member 11. Good.

In the floor structure of such a building, the lid member 11
Is supported by the support member 14 and closes the opening 15 without any gap, so that even in a portion where the underfloor space 20 is provided in the room,
It can be used indoors without any problems.

In the present invention, as shown in FIGS.
A staircase 23 leading to the underfloor chamber 21 may be provided in the underfloor space 20. In the floor structure of such a building, the stairs 23 can be used even if the floor 12 to the underfloor chamber 21 is deep, so that the underfloor chamber 21 can be easily reached.

In the present invention, as shown in FIG. 6, a table 40 having a size equal to the size of the opening 15 of the floor 12 and having legs 42 detachably attached is installed in the underfloor space 20, Moreover, it may be storable. In the floor structure of such a building, the legs 42 are removed,
If this leg 42 is housed in the underfloor space 20 together with the table 40, the table 40 can be used as a substitute for the lid member 11, and the members can be shared and the room can be widely used.

In the present invention, as shown in FIGS.
The legs 42 and 52 may be of a plurality of types having different height dimensions, and may be selectively used from these. In such a floor structure of a building, various tables, for example, a table 40 for work or a table 50 for a table can be formed by selectively using legs 42, 52 and the like having different height dimensions.

In the present invention, as shown in FIG. 3, a storage box 30 for storing an object to be stored may be horizontally pulled out from the underfloor space 20 and arranged. In such a floor structure of the building, since the storage box 30 pulled out to the underfloor space 20 can be used in addition to the underfloor space 20, the number of storage sections is further increased.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a floor structure of a building according to this embodiment. As shown in FIG. 1, the building 1 of this embodiment is a unit-type building constructed by arranging a plurality of building units 2 and 2 produced in a factory in advance on a foundation 3 at a construction site and combining them. Has been done.

As shown in FIG. 4, the building unit 2 includes four pillars 4 erected at four corners and four upper beams connecting the upper ends of the pillars 4 and the lower ends of the pillars 4, respectively. A frame 6 having a lower beam 5 is provided, and an outer wall 7, an inner wall, a ceiling material, a floor material 8 and the like are attached to the frame 6.

As shown in FIG. 2, the floor panel 8 includes, for example, a fixed floor member 9 arranged around the room 16, a plurality of floor members 10 arranged inside the fixed floor member 9, and a fixed floor member 9. And a lid member 11 for opening and closing the underfloor space 20. Then, on the upper surfaces of these members 9 to 11, floor finishing materials 13 such as tatami mat specifications 13A and flooring specifications 13B as shown in FIGS.
Are provided, and thereby the floor 12 of the building unit 2 is configured.

The floor member 10 and the lid member 11 are substantially the same member, and are formed into a quadrangle of a predetermined size (in this embodiment, the vertical and horizontal dimensions are about 910 mm, for example) with a particle board or the like and have a predetermined thickness. Has a size. The floor member 10 and the lid member 11 are arranged in parallel, and are supported by a receiving beam 14 which is a supporting member suspended in parallel between the lower beams 5. Of these, the floor member 10 is adapted to be fixed to the rear receiving beam 14 arranged at a predetermined position. Further, when the openable / closable lid member 11 is removed, the portion where the lid member 11 was present is formed with an opening 1 formed to have an integral multiple (three times in this embodiment) of the lid member 11.
It is 5.

The floor structure of the building according to the present embodiment has an underfloor space 20 and an underfloor chamber 21 continuing to the underfloor space 20 below the opening 15 formed in the floor 12 of the building unit 2.
Is provided. That is, as shown in FIGS. 3 and 4, below the opening 15, the underfloor space 20 is provided as described above.
Is formed, and this underfloor space 20 has two receiving beams 14, 14
It is a space that reaches a predetermined depth in the width dimension. The width dimension between the receiving beams 14 and 14 is formed smaller than the width dimension of the lid member 11. Further, the underfloor space 21 is provided in the underfloor space 20.
The door 22 provided in the wall 28 at the boundary between these 20 and 21 can be accessed. Therefore, the underfloor space 20 is provided with stairs 23 leading to the underfloor chamber 21.

The height of the underfloor chamber 21 in this embodiment is lower than that of a general basement, for example.
This underfloor chamber 21 is surrounded by a retaining wall 3'having a shape obtained by extending the foundation 3 downward, and since the height dimension is low,
For example, it is used for accommodating tools used for each season. The outside of the underfloor space 20 is also surrounded by the retaining wall 3 '.

The ceiling 24 of the underfloor chamber 21 has a ceiling surface member 26 attached to the lower surface of the receiving beam 14 via a bracket 25.
Is formed. Further, the flat portion 20A of the upper part of the underfloor space 20 that reaches the stairs 23 is formed by a plate member such as an iron plate that is bridged between the lower ends of the receiving beams 14, 14 forming the underfloor space 20. . Therefore, it is preferable that the staircase 23 is also formed of a plate member such as an iron plate.

As shown in FIG. 3, in the underfloor space 20,
A storage box 30 for storing an object to be stored can be horizontally pulled out from the underfloor space and arranged. That is, the storage box 30 is a box having an open upper side, and is provided so as to be pulled out from the underfloor chamber 21 side and the side facing the underfloor chamber 21 onto the stairs of the stairs 23 in the underfloor space 20.

As shown in FIGS. 3 to 5, the underfloor space 2
A slide box 35 is provided below the receiving beams 14, 14 forming 0. This slide box 35
Is open above, and there are three rooms 35A in the longitudinal direction,
It is partitioned into 35B and 35C and is slidable in a direction orthogonal to the longitudinal direction of the receiving beams 14 and 14. That is, the rollers 36 are attached to both sides of the slide box 35 in the width direction via the brackets 38, while the receiving beam 1
Two guide rails 37 having, for example, an L-shaped cross section are attached to the lower surfaces of the rollers 4 and 14 in a direction orthogonal to their longitudinal directions, and these guide rails 37 engage with the rollers 36.

Three rooms 35 of the slide box 35
The longitudinal dimension of each of A, 35B, and 35C is substantially the same as the width dimension between the receiving beams 14 and 14, that is, the dimension in the width direction of the underfloor space 20. Therefore, in the state of FIG. 5, the objects to be stored are stored in the room 35B, in the room 35C by sliding leftward from the state in FIG. 5, and in the room 35A by sliding further rightward. You can do it. Therefore, as shown in FIG. 3, a small opening 20B is opened at the position of the slide box 35 in the upper surface portion 20A of the underfloor space 20, and a lid 33 is provided in the small opening 20B so as to be openable and closable. May be. The partition walls 28 on both sides of the underfloor space 20 and the upper portions of the retaining walls 3 ′ are not shown in the drawing, but are not shown in the slide box 35.
Is cut out so that can be slid.

FIG. 6 shows a state in which, for example, a table 40 for work is arranged using the underfloor space 20. This table 40 is formed by detachably attaching legs 42 having a low height to a table body 41. The size of the table body 41 of the table 40 is the size in which the three lid members 11 are arranged side by side, and the thickness dimension is the same as the thickness dimension of the lid member 11. The length dimension of the leg 42 is equal to the width dimension of the table body 41, that is, the width dimension of the lid member 11, and the thickness dimension is the receiving beam 1.
It is smaller than the height of 4.

Therefore, when the table 40 is housed in the underfloor space 20, the legs 42 are removed from the table body 41 and placed on, for example, the flat surface portion 20A in the underfloor space 20, and the table body 41 is placed on the upper surface of the receiving beam 14. Put on. At this time, the opening 15 of the floor 12 is closed by the table body 41. That is, here, the table body 41 of the table 40 serves as a lid member. Although not shown, the table body 41 is provided with, for example, a handle that can be retracted and retracted so that it can be easily taken out from the opening 15.

FIG. 7 shows a state in which, for example, a table 50 for eating is arranged using the underfloor space 20. In this case, the height dimension of the legs 52 of the table 50 is
The only difference is that it is formed higher than the legs 42 of the working table 40. Therefore, detailed description will be omitted or simplified. When arranging this dining table 50, the chair 53 is left open when the underfloor space 20 remains open.
Since the table body 51 and the legs 52 are taken out from the underfloor space 20, the underfloor space 20 is closed with a lid member 11 ′ prepared in advance, and the table body 51 and the legs 52 are assembled. It may be placed on the lid member 11 '.

The floor finishing material 13 laid on the upper surfaces of the floor member 10 and the lid member 11 is, for example, as shown in FIG. 6, a tatami mat floor finishing material 13A or as shown in FIG.
Flooring material 13B with flooring specifications is used as appropriate for the room.
It is formed to have a size equal to that of the lid member 11.
Although not shown, the floor finishing material 13 may include, for example, cork specifications, cushion floor material specifications, artificial turf specifications, and the like. Further, on the upper surface of the fixed floor member 9, a floor finishing material having the same specifications as those laid on the upper surfaces of the floor member 10 and the lid member 11 may be used, or a floor finishing material having another specification is used. Alternatively, it may be left as it is without using a floor finish.

Although not shown, the floor finishing material 13 may be reversible. For example, one having a carpet specification on one side and a tatami mat specification on the other side, or a combination of a flooring specification and a cork specification, a cork specification and a tile specification, and the like may be mentioned.

FIG. 8 shows an example in which the work table 40 is arranged in a child room 60. In the child room 60, the table 40 is arranged at a position closer to one side of the room 60. Below the table 40, an underfloor space 20 and an underfloor chamber 21 following the underfloor space 20 are formed. In the child room 60, an overhanging unit 61 protruding outward from the outer wall of the building is provided as a storage space 63, and a shoji 62 is attached to the room 60 so as to be openable and closable in three directions. Therefore, as a result of the storage space 63 inside the overhanging unit 61 being hidden by the shoji 62, the room 60 is a clean room. Further, in the storage space 63, the desk 6 of FIG.
4, the bookshelf 65, and the like can also be provided as equipment. Reference numeral 66 indicates a window, and reference numeral 67 indicates a storage portion for storing the shoji 62 or the like after opening the shoji 62.

FIG. 9 shows a state in which sliding doors 72 are attached instead of the sliding doors 62 of the child room 60 and the sliding doors of the storage space 63 on one side are removed. In this way, room 60
The screens 62 and the sliding doors 72 can be replaced to change the atmosphere, and the sliding doors can be removed to use the desk 64, the bookshelf 65 and the like.

According to this embodiment as described above, the following effects can be obtained. That is, when the lid member 11 is removed, the underfloor space 20 and the following underfloor chamber 21 below the opening 15 are removed.
Since these are provided, these 20, 21 can be used, for example, for storage.
Since it is a larger space, the underfloor space of the building can be fully and effectively utilized, a large number of storage units can be secured, and eventually the site can be effectively utilized.

In the underfloor space 20, a storage box 30 is pulled out so that it can be used, and a slide box 35 is also provided. Since these can also be used for storage, many storage parts are provided. Can be secured.

Further, since the opening 15 is covered with the lid member 11 and the floor finishing material 13 is laid on the upper surface of the lid member 11, the underfloor space 20 and the underfloor chamber 21 following it are formed under the floor. However, you can use it indoors without affecting them.

Further, if the table 40 having the same size as the opening 15 is formed, the table body 41 of the table 40 can be used as a lid member, and the member can be used in common. Further, for example, when there is a terrace or the like outdoors, the table 40 can be carried out to the terrace and used there.

The present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved. For example,
In the above embodiment, the underfloor space 20 and the subsequent underfloor chamber 2
1 is provided in the unit type building 1, but not limited to this, it can be provided in a building by a panel construction method or a frame construction method. In the present invention, in short, it suffices that an opening that can be opened and closed by a lid member can be formed on the floor of the room, and the underfloor space 20 and the following underfloor 21 can be provided below the opening.

In the above embodiment, the openings 15 are formed to have the size of three lid members 11. However, the size of the openings 15 is not limited, and for example, two or four openings can be provided. You may make it size. Furthermore, in the above-mentioned embodiment, the underfloor space 20 and the subsequent underfloor chamber 21 are connected by the stairs 23, but the present invention is not limited to this, and may be, for example, a slope shape.

[0036]

As described above, in the floor structure for a building according to the present invention, when the lid member is opened, the underfloor space and the underfloor space below the opening can be utilized, and thus the underfloor space can be used. It is possible to store tools that are used only in seasons in the underfloor room, so that the underfloor space of the building can be used effectively and a large number of storage areas can be secured, and effective use of the site can be planned. There is an effect that.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a building according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an outline of a floor structure of a building according to the present embodiment.

FIG. 3 is a perspective view showing details of the floor structure of the building of the present embodiment.

FIG. 4 is a cross-sectional view showing the floor structure of the building of the present embodiment.

FIG. 5 is a diagram showing a slide box of the present embodiment.

FIG. 6 is a perspective view showing a state where a table is installed using the underfloor space of the present embodiment.

FIG. 7 is a perspective view showing a state in which a table with high legs is installed using the underfloor space of the present embodiment.

FIG. 8 is a bird's-eye view showing an interior of a room in which a table is installed in the underfloor space of the present embodiment.

FIG. 9 is a bird's-eye view showing an interior of a room in which a table is installed in the underfloor space of the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 unit type building 2 building unit 11 lid member 12 floor 13 floor finishing material 14 support beam 15 receiving beam 15 opening 16 indoor 20 underfloor space 21 underfloor room 23 staircase 27 underfloor space 30 storage box 40, 50 table

Claims (6)

[Claims] 1. An opening formed in a floor of a room, in which a lid member is openably and closably provided, an underfloor space provided under the opening, and an underfloor chamber continuing to the underfloor space. The floor structure of the building characterized by. 2. The floor structure of a building according to claim 1, wherein a plurality of support members that support the lid member are provided in parallel with each other in the underfloor space, and an interval between the support members is the floor. Is smaller than the opening size of the opening, the lid member is formed in a quadrangle having a predetermined size, and the opening size of the floor opening is an integral multiple of the lid member. The characteristic floor structure of the building. 3. The floor structure for a building according to claim 1, wherein a stairway leading to the underfloor chamber is provided in the underfloor space. 4. The floor structure for a building according to claim 1, wherein the underfloor space is formed to have a size equal to the size of the opening of the floor, and the legs are detachable. A floor structure of a building that is equipped with a table that is attached and that can be stored. 5. The floor structure of a building according to claim 4, wherein there are a plurality of types of the legs having different height dimensions, and the legs can be selectively used from these types. . 6. The floor structure of a building according to any one of claims 1 to 5, wherein a storage box for storing an object to be stored can be horizontally pulled out from the underfloor space and arranged in the underfloor space. The floor structure of the building characterized by being.