Modular furniture and room structure

Abstract

To improve usability of a unit furniture.SOLUTION: A unit furniture 10 provided in a room having at least a floor 2 and a pair of walls 3, 4, includes a floor unit 11 arranged over a part of the floor 2, and support means 12 for supporting the floor unit 11 by stretching between the pair of walls 3, 4.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to unit furniture provided in a room and a room structure in which the unit furniture is provided.

Background Art

[0002] Conventionally, large unit furniture that is placed and used on the floor constituting a building body is known (for example, see Patent Document 1). The unit furniture of Patent Document 1 includes a ceiling unit, a plurality of column units and a plurality of wall surface units attached in a standing state to the lower surface of the ceiling unit, and a lifting means that enables lifting between the floor of the building and the ceiling unit.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The lower space and the upper space of the floor unit (in the case of Patent Document 1, the ceiling unit) in the unit furniture are each accessible for people to enter and live. Therefore, ease of access to the lower space and the upper space is required. In particular, since access to the lower space is through between a plurality of units attached in a standing state to the lower surface of the floor unit, there is a problem that it is difficult to enter and exit and the usability is poor.

[0005] The present invention has been made in view of the above circumstances, and the problem is to improve the usability of the unit furniture.

Means for Solving the Problems

[0006] The invention described in claim 1 is, for example, as shown in Figures 1 to 10, In a unit furniture 10 provided in a room 1 having at least a floor 2 and a pair of walls 3, 4, A floor unit 11 is positioned above a portion of the floor 2, It includes a support means 12 that braces between the pair of walls 3 and 4 to support the floor unit 11, The floor unit 11 is composed of floor structural material 11a, The floor structural material 11a consists of a surface material 111 that forms the upper surface of the floor unit 11, A frame member 110 located at the side end of the aforementioned surface material 111 and in contact with the lower surface, Even if you don't have it, you should have it. The support means 12 is provided at the side end of the floor unit 11 and is configured to brace laterally from the side end surface of the floor unit 11.

[0007] According to the invention described in claim 1, since the invention includes a floor unit 11 positioned above a part of the floor 2 and a support means 12 that supports the floor unit 11 by bracing it between a pair of walls 3 and 4, there is no need to provide a unit that is attached to the lower surface of the floor unit 11 in an upright position. In other words, there is no need to provide a unit that would narrow the opening width of the entrance to the lower space 10a (the space between the floor unit 11 and the floor 2), making it easier to enter and exit the lower space 10a and providing a user-friendly design.

[0008] The invention described in claim 2 is, for example, Figure 2~ As shown in Figure 7, In a unit furniture 10 provided in a room 1 having at least a floor 2 and a pair of walls 3, 4, A floor unit 11 is positioned above a portion of the floor 2, It includes a support means 12 that braces between the pair of walls 3 and 4 to support the floor unit 11, The support means 12 is provided at the side end of the floor unit 11 and is configured to brace laterally from the side end surface of the floor unit 11. At least one of the support means 12 at the side end of the floor unit 11 has a tension support portion 120. The aforementioned bracing support portion 120 is A contact plate 121 that is pressed against the aforementioned walls 3 and 4, A bolt 123 is provided with one end in contact with the side of the contact plate 121 opposite to the side that is in contact with the walls 3 and 4, It is equipped with a nut 122 that is screwed onto the bolt 123, The bolt 123 is provided by penetrating the end face of the floor unit 11. The nut 122 is characterized in that it is provided on the inside of the end face of the floor unit 11.

[0009] According to the invention described in claim 2, The floor unit 11 is positioned above a portion of the floor 2, and the support means 12 supports the floor unit 11 by bracing it between a pair of walls 3 and 4. Therefore, there is no need to provide a unit that is attached to the underside of the floor unit 11 in an upright position. In other words, there is no need to provide a unit that would narrow the opening width of the entrance to the lower space 10a (the space between the floor unit 11 and the floor 2), making it easy to enter and exit the lower space 10a and convenient to use. Furthermore, the support means 12 has a pair of bracing support parts 120, and each bracing support part 120 has a bolt 123 with its tip fixed to the surface opposite to the surface where the contact plate 121 contacts the pair of walls 3 and 4, and a nut 122 that screws onto the bolt 123. Therefore, the length of the bracing support part 120 can be adjusted by rotating the bolt 123 or the nut 122. Thus, the floor unit can be braced between the pair of walls 3 and 4 by the support means 12.

[0010] The invention shown in claim 3, for example Diagram as shown in FIG. 7, In the modular furniture 10 according to claim 1 or claim 2, The room 1 further includes a hanging shelf unit 13 installed on walls 3 and 4, The hanging shelf unit 13 is characterized in that it is positioned so that its upper surface is in contact with the lower surface of the floor unit 11. According to the invention described in claim 3, The system further includes hanging shelf units 13 installed on walls 3 and 4 of room 1. The hanging shelf units 13 are positioned so that their upper surfaces are in contact with the lower surfaces of the floor unit 11, allowing them to provide auxiliary support to the floor unit 11. Furthermore, by installing the hanging shelf units 13 before the floor unit 11, the hanging shelf units 13 serve as a guide for the height of the floor unit 11, making it easier to install (tension) the floor unit 11.

[0011] The invention described in claim 4, for example, as shown in FIGS. 2 to 7, in the unit furniture 10 described in claim 2 wherein the floor unit 11 is constituted by a floor structural material 11a, the floor structural material 11a includes at least a surface material 111 constituting the upper surface of the floor unit 11 and a frame material 110 located at a side end portion of the surface material 111 and provided in contact with the lower surface, and the bolt 123 is provided so as to penetrate the frame material 110. According to the invention described in claim 4, since the floor unit 11 is the floor structural material 11a, the unit furniture 10 can form a floor having a structural strength comparable to that of the building skeleton while still being furniture. Therefore, not only can a person stand on the upper surface, but it is also possible to place heavy objects on the upper surface.

[0012] 5 The invention described in claim for example, as shown in FIGS. 8 to 10, a pair a floor 2 and walls 3, 4, at least, are provided to form a room space, and in a room structure where the unit furniture 10 is provided, a pair a part of the walls 3, 4 has a recessed wall 8 formed therein, The pair of walls 3 and 4 are braced against each other. the unit furniture 10 includes a floor unit 11 disposed above a part of the floor 2 and a strut support portion 120 for supporting the floor unit 11. The floor unit 11 is positioned so that its lower surface is in contact with the upper surface of the furring wall 8. 、 The aforementioned bracing support portion 120 is provided at the side end of the floor unit 11 and is configured to brace laterally from the side end surface of the floor unit 11. It is characterized by the following.

[0013] Claim 5 According to the invention described above, a false wall 8 is formed in part of the walls 3 and 4, and the unit furniture 10 comprises a floor unit 11 positioned above a part of the floor 2 and a tension support part 120 for supporting the floor unit 11. The floor unit 11 is positioned so that its lower surface is in contact with the upper surface of the false wall 8, so the false wall 8 can provide auxiliary support to the floor unit 11. In addition, since the false wall 8 serves as a guide for the height position of the floor unit 11, the work of installing the floor unit 11 (the work of tensioning) becomes easier.

[0014] Claim 6 The invention described is, for example, as shown in Figure 9, 5 Regarding the room structure described above hand, The aforementioned false wall 8 is provided with a recess 8a in which a lighting fixture is placed. To use as a sign.

[0015] Claim 6 According to the invention described above, the false wall 8 is provided with a recess 8a in which a lighting fixture is placed, so the false wall 8 can be used as indirect lighting. Therefore, the false wall 8 can be used to support the unit furniture 10 while it is installed in room 1, and can be used as indirect lighting before installing the unit furniture 10 in room 1 or after removing the unit furniture 10 from room 1, thus making effective use of the false wall 8.

[0016] Claim 7 The invention described is, for example, as shown in Figure 10, 5 In the room structure described above, A top plate 8b is provided on the upper surface of the aforementioned false wall 8. The floor unit 11 is characterized in that it is positioned so that the lower surface of the floor unit 11 is in contact with the upper surface of the top plate 8b. The invention described in claim 7 allows the false wall 8 to be used as a counter table because a top plate 8b is provided on the upper surface of the false wall 8. Therefore, the false wall 8 can be used to support the unit furniture 10 while it is installed in room 1, and can be used as a counter table before installing the unit furniture 10 in room 1 or after removing the unit furniture 10 from room 1, thus making effective use of the false wall 8. .

[0017] The invention described in claim 8 is, for example, as shown in Figures 8 to 10, in the room structure described in claim 5, The aforementioned bracing support portion 120 is A contact plate 121 that is pressed against the pair of walls, A bolt 123 is fixed to the side of the contact plate opposite to the side that contacts the pair of walls, It is equipped with a nut 122 that is screwed onto the bolt 123, The bolt 123 is provided by penetrating the end face of the floor unit 11. The nut 122 is characterized in that it is provided on the inside of the end face of the floor unit 11. The invention described in claim 8 includes a bolt 123 fixed to the side opposite to the side of the contact plate 121 that contacts the pair of walls 3 and 4, and a nut 122 that screws onto the bolt 123. Therefore, the length of the tension support portion 120 can be adjusted by rotating the bolt 123 or the nut 122. Thus, the floor unit can be braced between the pair of walls 3 and 4 by the support means 12. [Effects of the Invention]

[0018] According to the present invention, the usability of modular furniture can be improved. [Brief explanation of the drawing]

[0019] [Figure 1] This is a perspective view showing the modular furniture installed in the room. [Figure 2] This is a vertical cross-sectional view showing modular furniture. [Figure 3] This is a cross-sectional view showing modular furniture. [Figure 4] This is a longitudinal cross-sectional view showing the bracing support section. [Figure 5] Modification 1: This is a longitudinal cross-sectional view showing a modified example of the support means. [Figure 6] Modification 2: This is a longitudinal cross-sectional view showing a modified support means. [Figure 7] Modification 3: This is a longitudinal cross-sectional view showing a modified room structure. [Figure 8] Modification 4: This is a longitudinal cross-sectional view showing a modified room structure. [Figure 9] Modification 4: This is a longitudinal cross-sectional view showing a modified room structure. [Figure 10] Modification 4: This is a longitudinal cross-sectional view showing a modified room structure. [Figure 11]Modification 5: This is a longitudinal cross-sectional view showing a modified example of modular furniture. [Figure 12] Modification 5: A perspective view showing the support unit. [Modes for carrying out the invention]

[0020] Embodiments of the present invention will be described below with reference to the drawings. However, the embodiments described below are subject to various technically preferred limitations for carrying out the present invention, but the technical scope of the present invention is not limited to the following embodiments and illustrated examples. Note that the directions in the following embodiments, modifications, and illustrated examples are set solely for the convenience of explanation.

[0021] Figure 1 is a perspective view showing an example of a modular furniture unit 10 installed in room 1. In Figure 1, reference numeral 1 denotes a room. This room 1 is located inside a building such as a house and comprises at least a floor 2 (floor surface 2) and a pair of opposing walls 3 and 4 (wall surface 3 and wall surface 4). In this embodiment, it also comprises another wall 5 (wall surface 5) perpendicular to the pair of walls 3 and 4, and a ceiling 6. The space enclosed by the floor 2, walls 3, 4, and 5, and ceiling 6 constitutes the room space of room 1. Unit furniture 10 is installed above the floor 2 of room 1.

[0022] Of the pair of walls 3 and 4, wall 3 is located on the left side when the unit furniture 10 is viewed from the front, and the other wall 4 is located on the right side. The other wall 5 is located on the rear side of the unit furniture 10. Therefore, in the following explanation, the wall on the left side will be referred to as the left wall 3 (left wall surface 3), the wall on the right side will be referred to as the right wall 4 (right wall surface 4), and the other wall 5 located on the rear side will be referred to as the rear wall 5 (rear wall surface 5).

[0023] Each of the walls 3, 4, and 5 is pre-finished with wall coverings 7, baseboards (not shown), and moldings (not shown), and the floor 2 is also pre-finished with flooring materials and mats. Unit furniture 10 is then installed in Room 1, which has these walls 3, 4, and 5 and floor 2. Therefore, when installing the unit furniture 10 in Room 1, it is necessary to carry out the work in a way that does not damage these finishes.

[0024] The modular furniture 10 is furniture installed in room 1 and is not fixed to the building structure. In other words, the modular furniture 10 has no mechanical connection to the building structure (such as fasteners like screws, adhesives, or various metal fittings), and is not built into the building structure. In short, although the modular furniture 10 is in contact with the floor and walls of room 1, it is simply furniture installed in room 1 and can be placed in rooms of various buildings, including detached houses, apartment buildings and other multi-unit dwellings, and commercial buildings such as offices and office buildings. Since the modular furniture 10 is not joined to the building structure, the structure of the building in which the modular furniture 10 is installed is not particularly limited. In other words, the building structure may be made of wood, steel, reinforced concrete, or steel-reinforced concrete, and the type of construction method (post-and-beam construction, wall construction, rigid frame construction, etc.) is not particularly limited. In short, since there is no need to join the modular furniture 10 to the building structure, there is no need to consider compatibility when joining the modular furniture 10 to the building structure.

[0025] Figure 2 is a vertical cross-sectional view showing an example of the modular furniture 10, and Figure 3 is a horizontal cross-sectional view showing an example of the modular furniture 10. The unit furniture 10 itself is a prefabricated furniture that can be assembled on-site, and fasteners such as screws, adhesives, and various metal fittings are used as appropriate to join the components that make up the furniture. Specifically, as shown in Figures 2 and 3, the modular furniture 10 comprises, as a basic configuration, a floor unit 11 and support means 12 for supporting the floor unit 11. Spaces 10a and 10b are formed above and below the floor unit 11. In this embodiment, the lower space 10a is used as a low-ceiling storage space accessible from within Room 1, and the upper space 10b can be used as a single room with sufficient ceiling height for living. Depending on the ceiling height of Room 1 and the installation height of the modular furniture 10, the lower space 10a may be used as a single room and the upper space 10b as a low-ceiling storage space, or both the lower space 10a and the upper space 10b may be used as a single room or low-ceiling storage space. Furthermore, in addition to the basic configuration described above, the modular furniture 10 in this embodiment is equipped with a lifting mechanism 16 (see Figure 1).

[0026] The floor unit 11 is made of floor structural materials, and it is possible for people to stand on its top surface, as well as for heavy objects to be placed on it. In this embodiment, the floor unit 11 is made of wooden building panels used in the so-called wood panel bonding method, and has structural strength comparable to that of the building frame on which the unit furniture 10 is installed. A building panel is constructed by assembling vertical and horizontal frame members into a rectangular shape, and then assembling auxiliary crossbars vertically and horizontally within the rectangular frame to form a frame body. Face material is attached to one or both sides of this frame body, resulting in a hollow internal structure. Furthermore, insulation material such as glass wool or rock wool is usually installed in the hollow internal portion.

[0027] In this embodiment, wooden building panels are used as the structural material (floor body) for the floor, but the invention is not limited to this. Laminated timber such as CLT (Cross Laminated Timber), load-bearing wall panels used in two-by-four construction, thick structural plywood with a predetermined thickness (for example, 24 mm or more), single boards with a predetermined thickness, or reinforced concrete panels (RC structure, S structure) may also be used.

[0028] The floor unit 11 is composed of a floor body (architectural panel 11a for flooring) and is installed above a portion of the floor surface 2, with a width dimension shorter than the distance between the left wall surface 3 and the right wall surface 4. Multiple building floor panels 11a (hereinafter referred to as building floor panels 11a) are used and are installed at a predetermined height above a portion of the floor surface 2 of room 1, rather than covering the entire surface. In this embodiment, multiple building floor panels 11a are installed at a height position where the ceiling height of the lower space 10a is 0.8 to 1.4 meters. The ceiling height of 0.8m to 1.4m is the minimum height required to allow a person to enter the lower space 10a and perform some work by bending over. However, it is not limited to this, and the ceiling height may be set arbitrarily according to the ceiling height of Room 1. That is, the ceiling height of the lower space 10a may be set to a size that allows a person to walk and work in an upright position, while the ceiling height of the upper space 10b may be set to a size that allows a person to walk and work in a bent-over position, so that the upper space 10b can be used like a loft. Also, for example, if Room 1 has an open atrium and the ceiling height of Room 1 is high, the ceiling heights of both the lower space 10a and the upper space 10b may be set to a size that allows a person to walk and work in an upright position. Conversely, the ceiling heights of both the lower space 10a and the upper space 10b may be set to a size that allows a person to walk and work in a bent-over position. In short, since the unit furniture 10 is, after all, furniture, there are no particular restrictions on the vertical height in the lower space 10a and the upper space 10b, and it can be set arbitrarily. The building floor panels 11a are connected to each other using tools such as screws, bolts, and nuts, thereby forming a floor unit 11.

[0029] As shown in Figure 3, the floor unit 11 has two building floor panels 11a, 11a arranged front to back. In this embodiment, the building floor panel 11a is composed of at least a frame member 110, an auxiliary cross member 112, and a surface material 111 attached to the upper surface of a frame made up of the frame member 110 and the auxiliary cross member 112. The building floor panel 11a is spanned between the left wall 3 and the right wall 4, with the auxiliary support members 112 positioned in the left-right direction. Furthermore, the building floor panels 11a that make up the floor unit 11 are not limited to two; there may be one or multiple panels. Alternatively, the floor unit 11 may be constructed by combining building floor panels of different shapes and sizes.

[0030] The support means 12 has a pair of tension support parts 120, 120, and supports the floor unit 11 by bracing it in the left-right direction between the left wall 3 and the right wall 4. This makes it possible to maintain the floor unit 11 at a desired height position. Of the pair of tension support parts 120, 120 in the support means 12, one tension support part 120 is provided at the left end of the building floor panel 11a, and the other tension support part 120 is provided at the right end of the building floor panel 11a.

[0031] Figure 4 is a longitudinal cross-sectional view illustrating an example of the bracing support section 120. The bracing support section 120 includes a contact plate 121 that is pressed against the wall surfaces 3 and 4, a nut 122 embedded in the frame members 110 that are arranged in the front-rear direction among the frame members 110 that make up the building floor panel 11a, and a bolt 123 that is screwed into the nut 122. The bolt 123 is screwed into a nut 122 embedded in the frame material 110, with its head located inside the building floor panel 11a and its shaft end located outside the building floor panel 11a. The shaft end of the bolt 123 is rotatably fixed to the contact plate 121, so that by rotating the bolt 123, the distance between the frame material 110 containing the nut 122 and the contact plate 121 changes. By rotating the bolt 123 in a direction that increases the distance between the frame member 110, which has a nut 122 built into it, and the contact plate 121, the distance between the contact plate 121 at one of the bracing support parts 120 and the contact plate 121 at the other bracing support part 120 also increases. As a result, the support means 12 can brace and fix the building floor panel 11a between the left wall 3 and the right wall 4.

[0032] The side of the contact plate 121 that contacts the wall surfaces 3 and 4 is provided with an anti-slip means 121a made of urethane foam, EPT sealer, or the like. This means that the anti-slip means 121a is interposed between the contact plate 121 and the wall surfaces 3 and 4. In other words, the contact plate 121 contacts the wall surfaces 3 and 4 via the anti-slip means 121a, so it is possible to prevent the contact plate 121 from sliding off the wall surfaces 3 and 4. Furthermore, by providing the anti-slip means 121a, it is also possible to suppress the transmission of vibrations between the unit furniture 10 (floor unit 11) and the building structure (walls 3 and 4) and to absorb construction errors. It is also possible to provide an anti-slip means 121a on the rear end surface of the floor unit 11. This means that the anti-slip means 121a will be interposed between the floor unit 11 and the rear wall surface 5, which will more effectively prevent the floor unit 11 from sliding down, and will also suppress the transmission of vibrations between the unit furniture 10 (floor unit 11) and the building structure (wall 5), and will absorb construction errors.

[0033] As shown in Figure 1, the lifting mechanism 16 in this embodiment is a ladder for ascending to the upper surface of the floor unit 11. Note that the lifting mechanism 16 is not shown in drawings other than Figure 1. Furthermore, the lifting mechanism 16 is in contact with the floor surface 2 of room 1 in an unfixed state. On the other hand, this lifting mechanism 16 is not in contact with the walls 3, 4, and 5 of room 1. Furthermore, even if the lifting mechanism 16 is not a ladder connecting the floor surface 2 of room 1 and the upper surface of the unit furniture 10 as in this embodiment, but rather a staircase or ramp connecting the floor surface 2 of room 1 and the upper surface of the unit furniture 10, it will still be installed in a state where it is in contact with the floor surface 2 of room 1 in an unfixed state, and not in contact with the walls 3, 4, and 5 of room 1. In any case, the lifting mechanism 16 is fixed to the unit furniture 10 and attached as part of the unit furniture 10, and although it is in contact with the floor surface 2 which is the building structure, it is installed in a state where it is not fixed.

[0034] In this embodiment, the lifting mechanism 16 (ladder) is detachably fixed to the floor unit 11. This allows the lifting mechanism 16 to be removed from the floor unit 11 and stored in the upper space 10b when not in use, thus avoiding problems such as infants accidentally climbing onto the floor unit 11, and thus ensuring high safety.

[0035] The upper surface of the floor unit 11 is provided with flooring material 17, such as flooring material or a mat. The front edge of the flooring material 17 is fitted into the stepping joist material 19a. Furthermore, a fascia board 19b is provided on the front end surface of the floor unit 11. The fascia board 19b covers the front end surface of the floor unit 11.

[0036] The assembly of the modular furniture 10 is carried out by workers on-site, making decisions as appropriate. For example, first, the building floor panel 11a is installed via the support means 12 to form the floor unit 11. Next, the floor surface material 17 is provided on the upper surface of the floor unit 11, and a stepping joist material 19a and fixing brackets (not shown) for fixing the lifting mechanism 16 are provided at the front end of the upper surface. Subsequently, the skirting board 19b is provided on the front end surface of the floor unit 11, and finally the lifting mechanism 16 is provided to form the modular furniture 10. The building panels (each building floor panel) that make up the floor unit 11 are manufactured in advance at a factory and delivered to the site. Pre-manufacturing at the factory has the advantage of making them easy to transport and allowing for immediate assembly at the site without any further processing.

[0037] According to this embodiment, in a unit furniture 10 provided in a room 1 having at least a floor 2 and a pair of walls 3 and 4, the unit furniture 10 includes a floor unit 11 positioned above a part of the floor 2 and a support means 12 that supports the floor unit 11 by bracing between the pair of walls 3 and 4. Therefore, there is no need to provide a unit that is attached in an upright position to the underside of the floor unit 11. In other words, there is no need to provide a unit that would narrow the opening width of the entrance to the lower space 10a (the space between the floor unit 11 and the floor 2), making it easier to enter and exit the lower space 10a and improving usability.

[0038] The embodiments to which the present invention can be applied are not limited to those described above, and can be modified as appropriate without departing from the spirit of the invention. The following describes some variations. The variations listed below may be combined as much as possible. In addition, in each variation, elements common to the above explanation will be denoted by the same symbols, and the explanation will be omitted or simplified.

[0039] [Variation 1] Figure 5 is a longitudinal cross-sectional view showing a modified example of the support means 12. The support means 12 of this modified example has a pair of bracing support parts 120A, 120A. Each bracing support part 120A includes a contact plate 121 that is pressed against the wall surfaces 3, 4, a bolt 123A that penetrates a frame member 110 arranged in the front-rear direction among the frame members 110 that constitute the building floor panel 11a, and a nut 122A that is screwed onto the bolt 123A.

[0040] The bolt 123A has its head fixed to the contact plate 121 in a way that prevents rotation, and its shaft rotatably penetrates the frame material 110. The nut 122A is screwed onto the bolt 123A inside the building floor panel 11a, and by rotating the nut 122A, the distance between the frame material 110 through which the bolt 123A passes and the contact plate 121 changes. By rotating the nut 122A in a direction that increases the distance between the frame member 110 through which the bolt 123A passes and the contact plate 121, the distance between the contact plate 121 at one of the bracing support parts 120A and the contact plate 121 at the other bracing support part 120 also increases. As a result, the support means 12 of this modified example can brace and fix the building floor panel 11a between the left wall 3 and the right wall surface 4.

[0041] [Variation 2] Figure 6 is a longitudinal cross-sectional view showing a modified example of the support means 12. The pair of tension support parts provided by the support means 12 are not limited to being identical. That is, the support means 12 may have a first tension support part and a second tension support part that is different from the first tension support part. For example, if the first bracing support is bracing support 120 (see Figure 4), the second bracing support may be bracing support 120A (see Figure 5(b)).

[0042] Furthermore, as shown in Figure 6, for example, the first bracing support portion may be a bracing support portion 120 (or bracing support portion 120A) having a bolt and a nut, and the second bracing support portion may be a bracing support portion 120B having a biasing means. The bracing support section 120B includes a contact plate 121 that is pressed against the wall surfaces 3 and 4, and a spring 124 that biases the contact plate 121 away from the building floor panel 11a.

[0043] [Variation 3] Figure 7 is a longitudinal cross-sectional view showing a modified example of the modular furniture 10. In this modified example, the modular furniture 10 includes a floor unit 11 and a support means 12, as well as a plurality of hanging shelf units 13. In this modified example of the unit furniture 10, for example, first, the hanging shelf unit 13 is attached to the walls 3 and 4, then the left end of the building floor panel 11a is placed on the hanging shelf unit 13 attached to the left wall 3, and the right end of the building floor panel 11a is placed on the hanging shelf unit 13 attached to the right wall 4, and in this state, the support means 12 attached to the building floor panel 11a is braced in the left-right direction. As a result, the hanging shelf unit 13 serves as a guide for the placement position of the building floor panel 11a, making it easy to brace and fix the floor unit 11 between the walls 3 and 4 using the support means 12. Furthermore, after the floor unit 11 has been braced and fixed, the hanging shelf unit 13 can provide auxiliary support for the floor unit 11.

[0044] According to this modified version, the modular furniture 10 includes a hanging shelf unit 13 installed on the walls 3 and 4 of room 1. The hanging shelf unit 13 is positioned so that its upper surface is in contact with the lower surface of the floor unit 11. Therefore, the hanging shelf unit 13 can provide auxiliary support to the floor unit 11. Furthermore, by installing the hanging shelf unit 13 before the floor unit 11, the hanging shelf unit 13 serves as a guide for the height of the floor unit 11, making it easier to install (tension) the floor unit 11.

[0045] [Variation 4] Figure 8 is a longitudinal cross-sectional view showing a modified example of the room structure. In Room 1 of this modified example, a false wall 8 is formed on a portion of the left wall 3, and a false wall 8 is also formed on a portion of the right wall 4. The height of the false wall 8 is set such that the top surface of the false wall 8 is in contact with the bottom surface of the floor unit 11. In this modified example, the modular furniture 10 is configured such that, for example, the left end of the building floor panel 11a is placed on the left-side extension wall 8, and the right end of the building floor panel 11a is placed on the right-side extension wall 8, and in this state, the support means 12 attached to the building floor panel 11a is braced in the left-right direction. As a result, the extension walls 8 serve as a guide for the placement position of the building floor panel 11a, making it easy to brace and fix the floor unit 11 between the walls 3 and 4 using the support means 12. Furthermore, after the floor unit 11 has been braced and fixed, the extension walls 8 can provide auxiliary support for the floor unit 11.

[0046] Furthermore, as shown in Figure 9, for example, room 1 may be provided with indirect lighting utilizing the false wall 8. Specifically, for example, a recess 8a opening upwards may be provided at the upper end of the false wall 8 to serve as storage space for lighting fixtures such as light bulbs. In this case, it is preferable to install the unit furniture 10 with the lighting fixtures removed. Furthermore, as shown in Figure 10, for example, a counter table utilizing the false wall 8 may be provided in room 1. Specifically, a tabletop 8b may be provided on the upper surface of the false wall 8.

[0047] Furthermore, a low wall may be provided on part of the walls 3 and 4 of room 1. In this case, the left and right ends of the building floor panel 11a can be placed on the left and right low walls, and in that state, the support means 12 attached to the building floor panel 11a can be braced in the left and right directions to fix the floor unit 11 between the walls 3 and 4, making it easier to do so, and the low wall can also provide auxiliary support for the floor unit 11. Alternatively, handrails may be installed on walls 3 and 4 of room 1, or on the edges of walls 3 and 4 of floor 2 of room 1. In this case, the left and right ends of the building floor panel 11a can be placed on the left and right handrails, and in that state, the support means 12 attached to the building floor panel 11a can be braced in the left and right directions to easily brace and fix the floor unit 11 between walls 3 and 4, and the floor unit 11 can be auxiliaryly supported by the handrails.

[0048] According to this modified example, in a room structure in which a room space is formed by at least a floor 3 and walls 3 and 4, and a unit furniture 10 is provided, a false wall 8 is formed on a part of the walls 3 and 4, the unit furniture 10 comprises a floor unit 11 positioned above a part of the floor 2, and a tension support part 120 for supporting the floor unit 11, and the floor unit 11 is positioned so that the lower surface of the floor unit 11 is in contact with the upper surface of the false wall 8, so the false wall 8 can provide auxiliary support to the floor unit 11. In addition, since the false wall 8 serves as a guide for the height position of the floor unit 11, the work of installing the floor unit 11 (the work of tensioning) is made easier.

[0049] Furthermore, the false wall 8 may be provided with a recess 8a in which a lighting fixture is placed. In other words, the false wall 8 may be intended for use as indirect lighting. In this case, the false wall 8 can be used to provide auxiliary support for the unit furniture 10 while it is installed in room 1, and can be used as indirect lighting before installing the unit furniture 10 in room 1 or after removing the unit furniture 10 from room 1, thus making effective use of the false wall 8.

[0050] Furthermore, a top plate 8b may be provided on the upper surface of the false wall 8. In other words, the false wall 8 may be intended for use as a counter table. In this case, the false wall 8 can be used to provide auxiliary support for the unit furniture 10 while it is installed in room 1, and can be used as a counter table before installing the unit furniture 10 in room 1, or after removing the unit furniture 10 from room 1, thus making effective use of the false wall 8.

[0051] [Variation 5] Figure 11 is a longitudinal cross-sectional view showing a modified example of the unit furniture 10, and Figure 12 is a perspective view showing an example of the support unit 14. The modified unit furniture 10 comprises a floor unit 11 and a pair of support units 14, 14 that support the floor unit 11. The support unit 14 comprises a support means 12 and a substantially rectangular frame-shaped support frame 140. Specifically, the support unit 14 is equipped with a pair of tension support parts 120, 120, which support the floor unit 11 by tensioning vertically between the floor 2 and the ceiling 6.

[0052] The support frame 140 is composed of a pair of elongated horizontal frame members 141, 141 along the front-to-back direction, a pair of elongated vertical frame members 142, 142 along the up-to-down direction, and an angle member 143 spanning between the pair of vertical frame members 142, 142. Of the pair of tension support parts 120, 120 in the support means 12, one tension support part 120 is attached to the upper horizontal frame member 141, and the other tension support part 120 is attached to the lower horizontal frame member 141. That is, the horizontal frame member 141 has a nut 122 for the tension support part 120 built into it, and by rotating the bolt 123 that is screwed into the nut 122, the distance between the horizontal frame member 141 and the contact plate 121 is changed. As a result, the support means 12 can tension and fix the support frame 140 between the floor 2 and the ceiling 6.

[0053] The building floor panel 11a is secured by being stretched between the angle member 143 of the support frame 140, which is fixed in place by bracing against the left wall 3, and the angle member 143 of the support frame 140, which is fixed in place by bracing against the right wall 4. In other words, the floor unit 11 is secured by being stretched between a pair of support units 14, 14.

[0054] According to this modified version, in a unit furniture 10 provided in a room 1 having at least a floor 2 and a ceiling 6, the unit furniture 10 includes a floor unit 11 positioned above a part of the floor 2 and a support unit 14 that braces between the floor 2 and the ceiling 6 to support the floor unit 11. Therefore, there is no need to provide a unit that is attached in an upright position to the underside of the floor unit 11. In other words, there is no need to provide a unit that would narrow the opening width of the entrance to the lower space 10a (the space between the floor unit 11 and the floor 2), making it easier to enter and exit the lower space 10a and improving usability. [Explanation of Symbols]

[0055] 1 room 2 beds 3 walls 4 walls 6 Ceiling 8. Folded wall 8a recess 8b Top plate 10-unit furniture 11 floor units 12 Support means 13 Hanging shelf units 14 Support Unit 120 Tension support section

Claims

1. In a modular piece of furniture provided in a room having at least a floor and a pair of walls, A floor unit positioned above a portion of the aforementioned floor, It includes a support means that braces between the pair of walls to support the floor unit, The aforementioned floor unit is composed of floor structural materials, The floor structural material comprises a surface material that constitutes the upper surface of the floor unit, It comprises at least a frame member located at the side end of the aforementioned surface material and in contact with the lower surface, The support means is provided at the side end of the floor unit and is configured to brace against the side end surface of the floor unit in a lateral direction, characterized in that the unit furniture is provided.

2. A unit of furniture provided in a room having at least a floor and a pair of walls, A floor unit positioned above a portion of the aforementioned floor, It includes a support means that braces between the pair of walls to support the floor unit, The support means is provided at the side end of the floor unit and is configured to brace laterally from the side end surface of the floor unit. At least one of the support means at the side end of the floor unit has a tension support portion. The aforementioned bracing support portion is A contact plate that is pressed against the aforementioned wall, A bolt is provided with one end in contact with the side of the contact plate opposite to the side that is in contact with the wall, The bolt is fitted with a nut, The bolt is provided by penetrating the end face of the floor unit. The nut is provided on the inside of the end face of the floor unit. A modular furniture system characterized by its features.

3. In the modular furniture according to claim 1 or claim 2, The room further comprises a hanging shelf unit installed on the wall of the aforementioned room, The aforementioned hanging shelf unit is characterized in that it is positioned so that the upper surface of the hanging shelf unit is in contact with the lower surface of the floor unit.

4. In the modular furniture according to claim 2, The aforementioned floor unit is composed of floor structural materials, The floor structural material comprises a surface material that constitutes the upper surface of the floor unit, It comprises at least a frame member located at the side end of the aforementioned surface material and in contact with the lower surface, The aforementioned bolt is provided by penetrating the frame material, characterized in that it is a modular piece of furniture.

5. In a room structure in which a room space is formed by having at least a floor and a pair of walls, and in which modular furniture is provided, A false wall is formed in a part of the pair of walls mentioned above. The aforementioned modular furniture comprises a floor unit positioned above a portion of the floor, and a bracing support portion for bracing between the pair of walls to support the floor unit. The floor unit is positioned so that its lower surface is in contact with the upper surface of the false wall. The aforementioned bracing support portion is provided at the side end of the floor unit and is configured to brace laterally from the side end surface of the floor unit, characterized in that it is a room structure.

6. In the room structure described in claim 5, The aforementioned false wall is characterized by having a recess in which a lighting fixture is placed inside.

7. In the room structure described in claim 5, A top plate is provided on the upper surface of the aforementioned false wall. The room structure is characterized in that the floor unit is positioned so that the lower surface of the floor unit is in contact with the upper surface of the top plate.

8. In the room structure described in claim 5, The aforementioned bracing support portion is A contact plate that is pressed against the pair of walls, A bolt is fixed to the side of the contact plate opposite to the side that contacts the pair of walls, The bolt is fitted with a nut, The bolt is provided by penetrating the end face of the floor unit. The nut is provided on the inside of the end face of the floor unit. A room structure characterized by the following features.

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