JP3401153B2 - Roof unit - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof unit produced in a factory and transported to a construction site to form a roof portion of a building, and more particularly to a roof unit having a ceiling field panel.

[0002]

2. Description of the Related Art In recent years, unit buildings have become widespread as one method for increasing the industrial production rate of buildings. This unit building is a building in which one building is divided into several units in advance and produced in a factory, and these are constructed / assembled at a construction site. As shown in FIG. 16, the units constituting the unit building include building units A1 and A2 constituting each room portion such as a living room, a dining room, a bedroom, and a child room, and an eaves side and a ridge side of the building. There are roof units B1 and B2 that form a roof portion. These units A1, B1, ... Are produced in a factory in advance, transported to a construction site, and constructed and assembled on a previously prepared foundation. As shown in the figure, first, the building units A1, A2, ... Are installed on the foundation and connected to each other,
Next, roof units B1, B2, ... Are installed and connected to each other on top of the installed building units A1, A2 ,.

By the way, the above roof units B1 and B2
Is usually a rafter tree 11, 11, ... As shown in FIG.
Roof panels 1a and 1b configured as roof structuring by attaching a base plate 12 such as structural plywood to the upper surface of a roof frame assembled in a square shape by the like, and the roof panels 1a and 1b on the end side (short side). Side side) A pair of gable small wall panels 2a, 2 that are vertical plane structures supported by both side edges
b (see, for example, Japanese Examined Patent Publication 61-1583).
In order to further reduce the on-site construction load, as shown in FIG. 18, from the factory stage, the ceiling field 3
There are also roof units B3 and B4 provided on the lower surface with ceiling edge panels 3a and 3b assembled in a rectangular shape by 1, 31, ... (See, for example, JP-A-6-146393).

In the building units A1 and A2, if the frame wall construction method is applied as an example, the floor panel 4, the wall panel 5a 5b, as shown in FIG. 16, wall panels 5a, 5b, ... Are erected along two or three side edges of the floor panel 4, and normally, a plurality of these building units A are used.
One room is composed of 1, A2. That is, the individual building units A1 and A2 are usually arbitrary one room parts (one room part).

[0005]

However, in the building units, as shown in FIG. 19, there are also building units A3 and A4 in which the middle wall panel 5c for partitioning is erected in the center of the floor panel. Yes, these building units A3, A
4 has each part of two rooms (two room parts) partitioned by the inner wall panel 5c. However, when the roof units B3 and B4 with the ceiling edge panels 3a and 3b are installed and connected to the upper portions of the building units A3 and A4, the following problems occur. That is,
Middle wall panels 5c, 5 that partition two rooms adjacent to each other
There is a possibility that the upper surface of c will come off from the ceiling field 31 which is the ceiling frame material. In such a case, the inner wall panel 5c is not fixed sufficiently and becomes unstable. In addition, when a ceiling step is generated between the roof units B3 and B4 during the construction / assembly of the unit building, the roof unit B of the ceiling rim panels 3a and 3b.
It is impossible to remove the temporary fixing to the main body of B3 or B4 and correct the ceiling step, because the inner wall panels 5c and 5c become an obstacle.

The present invention has been made in view of the above circumstances, and when constructing and assembling a unit building, the middle wall panel (partition wall) of the building unit can be securely and firmly fixed to the ceiling portion, and the unit It is an object of the present invention to provide a roof unit with a ceiling edge panel that can reliably and easily correct a ceiling step that has occurred between.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 is a roof panel having a roof plate attached to the upper surface of a roof frame, and a support structure portion for supporting the roof panel. A roof unit in which a ceiling ceiling panel assembled in a rectangular shape by a ceiling ceiling is attached to a lower surface of a roof unit main body composed of, and the ceiling ceiling panel is arranged under the roof unit. It is characterized by being divided into a plurality of parts corresponding to a plurality of different living room parts.

The invention according to claim 2 relates to the roof unit according to claim 1, wherein the ceiling field panels are connected to each other at a connecting portion between the plurality of ceiling field panels which are divided from each other. Along with the connection, it is characterized by the provision of a joint receiving material for receiving the partition wall.

Further, the invention according to claim 3 relates to the roof unit according to claim 2, characterized in that a cushioning material is interposed between the joint receiving material and the ceiling field panel. I am trying.

The invention according to claim 4 relates to the roof unit according to claim 2, wherein each of the ceiling edge panels is temporarily fixed to the roof unit main body and the joint receiving material by using a screw member. It is characterized by

Further, the invention according to claim 5 is based on claim 1,
The roof unit according to 2, 3, or 4 is characterized in that a surface material for a ceiling is attached to all or part of the lower surface of each ceiling field panel.

[0012]

According to the structure of the present invention, the ceiling field panel is
Since it is divided into a plurality of parts corresponding to a plurality of living room parts to be arranged under the roof unit, a partition wall for partitioning two adjacent living room parts is used as a ceiling edge (end edge) or a joint. It can be used as a limp receiving material (structure according to claim 2). Therefore, the partition wall is firmly fixed. In addition,
If a cushioning material is inserted between the joint receiving material and the ceiling edge panel (edge edge), the sound insulation performance of the partition wall can be further enhanced. Further, in the configuration according to claim 2,
If each ceiling panel is temporarily fixed to the roof unit main body and splice support material with screws in advance at the factory, when a ceiling step occurs between adjacent roof units during construction and assembly of the unit building Since the partition walls do not become an obstacle and the temporary fixing can be released for each divided ceiling field panel,
The ceiling step can be easily corrected. In this case, it is desirable that the nails or the like be used for final fixing after the ceiling step is corrected.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. The description will be specifically made using the embodiments. FIG. 1 is an exploded perspective view showing the structure of an eaves side roof unit B5 which is one embodiment of the present invention in an exploded manner, and FIG. 2 is an exploded view showing the structure of a ridge side roof unit B6 which is the same embodiment in an exploded manner. 4 is a perspective view, and FIG. 3 is a perspective view schematically showing the configuration of building units A3 and A4 according to the embodiment.
FIG. 5 is an exploded perspective view showing the structure of the unit building according to the embodiment in an exploded manner, and FIG. 5 is a main part structure of the unit building (a building unit having two room parts and a roof unit having two ceiling parts; Fig. 6 is an exploded perspective view showing the disassembly of (joining of the
It is sectional drawing which shows (joining of a partition wall) and a ceiling part. 7 is a cross-sectional view showing the structure of the roof side roof unit B5 of the same eaves, FIG. 8 is an enlarged cross-sectional view of an essential part showing an enlarged essential part C of FIG. 7, and FIG. 9 is an essential part D of FIG. FIG. 10 is an enlarged cross-sectional view of an essential part of the various roof units B5 and B6, and FIG.
5, B6 is a cross-sectional view showing the structure of the joint between the gable small wall panel 2a (2b) and the ceiling edge panel 3c, 3d (3e, 3f), and FIG. 12 is the same ceiling edge panel 3c, 3d (3
e, 3f) is a cross-sectional view showing the structure of the connecting portion between FIG.
FIG. 14 is an exploded perspective view showing the configuration of the connection portion between the ceiling field panels 3c, 3d (3e, 3f) in an exploded manner, and FIG. 14 is a sectional view for explaining the operation of this example.

The roof unit B5 (B6) of this example is mounted on a building unit A3 (A4) having two room portions R1 and R2 as shown in FIG. With respect to the unit, as shown in FIG. 1 (FIG. 2), the roof unit main body is provided with two ceiling edge panels 3c, 3d (3e, 3f) on the bottom surface thereof. ) Mushroom roof unit B3 (B4)
(See FIG. 18). That is, in the roof unit B5 (B6) of this example, as shown in FIG. 3, two room portions R of the building unit A3 (A4) are included.
At the portion corresponding to the boundary between 1 and R2, the conventional ceiling edge panel 3a (3b) is replaced by the two ceiling edge panels 3c and 3d.
The structure is divided into (3e, 3f).

Configuration of Building Units A3 and A4 First, the configuration of the building units A3 and A4 according to this example will be described with reference to FIG. Building unit A3
As shown in the figure, a floor panel 4 configured as a floor structure by attaching a face material such as a particle board to the upper surface of a floor frame assembled in a square shape by joists, and three floor panels 4 Gable wall panels 5a, 5 erected on the side edges
a, the girder wall panels 5b and 5b, and the two room portions R, which are erected in parallel with the gable wall panel 5a at approximately the center of the floor panel 4.
An E-shaped wall is formed by an inner wall panel 5c that partitions 1 and R2. Further, the building unit A4 includes a floor panel 4, a pair of end wall panels 5a, 5a that are erected on opposite end sides (short side sides) of the floor panel 4, and substantially the center of the floor panel 4. And a middle wall panel 5c that partitions the two room portions R1 and R2 from each other, and is formed in a three-wall shape. Each wall panel 5a, 5b, 5
c is a bearing wall by attaching face materials such as gypsum board and wood chip cement board to both inside and outside of a wall frame assembly that is assembled in a rectangular shape by an upper frame, a lower frame, and a vertical frame. These wall panels are provided with openings such as entrances and exits and windows as necessary, and are filled with a heat insulating material. As shown in FIG. 4, the two types of building units A3 and A4 having the above configuration are connected to each other at a construction site of a unit building to form two rooms R1 + R1 and R2 + R2.

Configuration of the eaves side roof unit B5 Next, the configuration of the eaves side roof unit B5 of this example will be described with reference to FIGS. 1 and 5 to 11. As shown in FIG. 1, the eaves-side roof unit B5 has a rectangular roof panel 1a and the roof panel 1a on the end side (short side) thereof.
A roof unit main body is composed of a pair of gable small wall panels 2a, 2a, which are triangular structures supported on both side edges, and two square ceiling fields are formed on the bottom surface of the roof unit main body from the factory stage in advance. The edge panels 3c and 3d are attached. The roof panel 1a is composed of rafters 11 and 1
1, ..., Nose cover 13, girder beams 14, and head joints 15 are attached to the upper surface of a rectangular roof frame to form a roof structure by attaching field plates 12 such as structural plywood and particle boards. There is. Where the nose cover 1
3 is orthogonal to the rafters 11, 11, ... And is nailed in a state of abutment with the eaves-side mouth of the rafters 11, 11, ..., and constitutes the eaves-side side edge portion of the roof frame. Further, the girder beam 14 is nailed at right angles to the rafters 11, 11, ... And in a projecting state with the ridge-side opening of the rafters 11, 11 ,. Constitute. Further, the head tie 15 is fixed to the lower surface of the rafters 11, 11, ... In a state orthogonal to the rafters 11, 11 ,.
When installing the eaves side roof unit B5, the building unit A
The three girder wall panels 5b, 5b are abutted and fixed on the upper surface of the upper frame. In addition, the gable small wall panel 2a includes a lower frame 21 and an upper frame 2.
Wall surfaces 24, 24 such as gypsum board and hard wood chip cement board are attached to both inner and outer surfaces of a triangular small wall frame composed of 2 and a vertical frame 23 to form a bearing wall.

Further, the ceiling field panels 3c and 3d are
As shown in the figure, a plurality of short field edges 33, 33, 3 are provided between the pair of side field edges 32a, 32b arranged in parallel with each other.
3a, ... Are laid out and nailed in a state in which the wood mouths on both sides are abutted to form a rectangular ceiling frame. Here, as shown in FIG. 5, the ceiling margin panel 3c constitutes the ceiling portion C1 of the room portion R1 of the building unit A3, and the ceiling margin panel 3d is the ceiling of the room portion R2 of the building unit A3. It constitutes the part C2.
As shown in FIG. 6, the two room portions R1 and R of the building unit A3 are connected to the connecting portions between the ceiling field panels 3c and 3d.
Upper frame 5 of the middle wall panel 5c with a width of 118 mm that divides the two
A partition wood crosspiece (joint receiving material) 34 for receiving 1 directly or via a spacer such as plywood is inserted. Here, the ceiling field panel 3
The lower surfaces of the c and 3d and the partition receiving bar 34 are set to be substantially flush with each other.

At the factory stage, the ceiling edge panels 3c and 3d have four side edges temporarily fixed to the roof unit main body and the partition receiving bar 34. That is, in each ceiling field panel 3c, 3d, as shown in FIGS. 7 and 8, the side field edge 32a on the eaves side is on the side surface of the head tie 15, and as shown in FIGS. The side field edge 32b on the side is attached to the hanging trees 6a, 6a, ... Hanging from the inner surface of the girder 14, and, as shown in FIG. 11, the outer edge fields 33a, 33a.
Is on the inner surface of the lower frame 21 of the gable small wall panels 2a, 2a, and as shown in FIG. 12, the inner end edges 33a, 33a.
On the side surface of the partition wall receiving bar 34, wood screws M,
M, ... are screwed in and temporarily fixed. In addition, hanging tree 6
As shown in FIGS. 9 and 10, the a, 6a, ... Are nailed to the inner surface of the girder beam 14 through the hanging tree receivers 61, 61 ,. It is fixed. In addition, 204 materials with a width of 38 mm and a height of 89 mm are used for the side margin 32b on the ridge side, but the side margin 3 on the eaves side is used.
As the material 2a, 203 materials having a width of 38 mm and a height of 64 mm are used to avoid interference with the rafters 111, 111, ... (See FIG. 7).

Construction of the ridge-side roof unit B6 Next, the ridge-side roof unit B6 will be described with reference to FIG. As shown in FIG. 2, the eaves side roof unit B6 includes a rectangular roof panel 1b and the roof panel 1b.
A roof unit main body is composed of a pair of gable small wall panels 2b, 2b that are trapezoidal structures that support both ends of the roof side (short side) on both side edges. From the stage, two rectangular ceiling field panels 3
e and 3f are attached. Roof panel 1b
Is a rafter 11, 11, ..., Eaves side girder 16 and ridge side girder 1
A roof framing surface is formed by attaching a base plate 12 such as structural plywood or particle board to the upper surface of the roof frame structure assembled in a rectangular shape by 7. Further, the above-mentioned gable small wall panel 2b includes a lower frame 21, an upper frame 22, and a vertical frame 23.
Wall surfaces 24, 24 such as gypsum board and hard wood chip cement boards are attached to both the inner and outer surfaces of the trapezoidal small wall frame assembled by and to form a bearing wall.

Also, the ceiling field panels 3e and 3f are
As shown in the figure, a plurality of short field edges 36, 36, 3 are provided between a pair of side field edges 35a, 35b arranged in parallel with each other.
6a, ... Are laid out and nailed in a state in which the wooden mouths on both sides are abutted to form a rectangular ceiling frame. Here, as shown in FIG. 5, the ceiling edge panel 3e constitutes the ceiling portion C1 of the room portion R1 of the building unit A4, and the ceiling edge panel 3f is the ceiling of the room portion R2 of the building unit A4. It constitutes the part C2.
As shown in FIG. 6, the two room portions R1 and R of the building unit A3 are connected to the connecting portion between the ceiling ceiling panels 3e and 3f.
Upper frame 5 of the middle wall panel 5c with a width of 118 mm that divides the two
A partition wood crosspiece (joint receiving material) 34 for receiving 1 directly or via a spacer such as plywood is inserted. Here, the ceiling field panel 3
The e, 3f and the partition receiving bar 34 are set so that their lower surfaces are substantially flush with each other.

At the factory stage, the ceiling edge panels 3e and 3f have four side edges temporarily fixed to the roof unit main body and the partition receiving bar 34. That is, in each of the ceiling field edge panels 3e and 3f, as shown in FIG. 2, the side field edge 35a on the eaves side hangs from the inner surface of the eaves side girder 16 for the hanging tree 6.
b, 6b, ..., and the side edge 35b on the ridge side to the hanging trees 6c, 6c, ... Hanging from the inner side surface of the ridge side girder 17, and as shown in FIG. 36a, 36a
Is on the inner surface of the lower frame 21 of the gable small wall panels 2b, 2b, and as shown in FIG. 12, the inner end edges 36a, 36a.
On the side surface of the partition wall receiving bar 34, wood screws M,
M, ... are screwed in and temporarily fixed. In addition, hanging tree 6
As shown in FIG. 10, b, 6c, ...
, 61 are fixed to the inner side surfaces of the eaves-side girder beam 16 and the ridge-side girder beam 17 with nails K, K, ...

◇ Roof uni on building units A3 and A4
Installation of units B5 and B6 Roof units B5 and B6 having two ceiling portions, and building units A3 and A4 having two room portions are ordinary building units A1 and A2, and ordinary roof units with ceiling rims. Along with B3, B4, etc., it is produced in a factory in advance, and is constructed and assembled on a prefabricated foundation at a construction site of a unit building. As described above, each ceiling edge panel 3c, 3d, 3e, 3f has four side edges on the main body of the roof units B5, B6 and the partition wood sprue 34 at the factory stage. It is temporarily fixed with M ... Assembling is as shown in FIG.
1, A2, A3, A4, ... are installed on the foundation and interconnected, and then each installed building unit A1,
Roof units B3, B on top of A2, A3, A4, ...
4, B5, B6, ... Are installed and connected to each other. In this case, the building units A3 and A4 are connected to each other to form two rooms R1 + R1 and R2 + R2, as shown in FIGS. 4 and 5.

The eaves side roof unit B5 is installed on the upper part of the building unit A3, while the ridge side roof unit B6 is installed on the upper part of the building unit A4. If the installation positions of the building units A3 and A4 are correct, the partition stiles 34 and 34 at the connection between the ceiling ceiling edge panels 3c and 3d (3e and 3f) will be the building unit A3 as shown in FIG. It is placed on the upper surface of the upper frame 51 of the inner wall panel 5c. Therefore, by nailing the upper frame 51 of the middle wall panel 5c from the upper surface side of the partition receiving bar 34, the middle wall panel 5c is securely fixed to the ceiling portion. Thus, the ceiling field panel 3
The ceiling portions C1 of the room portions R1 of the building units A3 and A4 are configured by the c and 3e, and the ceiling margin panel 3d,
Room part R2 of building units A3 and A4 by 3f
The ceiling portion C2 of the

Adjustment of Ceiling Steps After the installation of all roof units B3, B4, B5, B6 is completed, the ceiling work is started. In the ceiling work, first
Correct the ceiling step between the roof units B3, B4, B5, B6 (the step between the ceiling edge panels). If there is a step between the ceiling field panels 3c, 3e (or 3d, 3f) between the roof units B5, B6 of this example, wood screws M,
By removing M, ..., hanging trees 6a, 6b and gable small wall panel 2
The ceiling height is adjusted by releasing the temporary fixing to the a and 2b and the partition receiving bar 34. In this case, since the ceiling wall panels 3c, 3e (or 3d, 3f) are divided on both sides of the inner wall panel 5c, the inner wall panel 5c does not become an obstacle and each ceiling wall panel 3c, 3d, The step can be corrected for each of 3e and 3f. Then, after the step is corrected, the main fixing is performed with nails or the like. In addition,
Even when there is no ceiling step, it is preferable to perform the main fixing with nails or the like. Ceiling field panels 3c, 3d, 3e, 3f
When the main fixation of is completed, as shown in FIG. 5 and FIG.
Ceiling edge panel 3 between roof units B5 and B6
After attaching the panel joint material (connecting edge) 35, 35, ... Between c and 3e (or 3d and 3f), the ceiling surface material 7 such as a gypsum board is attached.

Thus, the roof unit B5 of this example
According to the configuration of (B6), the ceiling field panels 3c and 3d
(3e, 3f) is divided into two corresponding to the two room portions R1 and R2 to be arranged under the roof unit B5 (B6), and both ceiling field panels 3c,
Since the partition receiving tree bar 34 is interposed between 3d (3e, 3f), the inner wall panel 5c that partitions the two room portions R1 and R2 can be securely fixed to the partition receiving bar 34. Therefore, the inner wall panel 5c is firmly fixed to the ceiling. Also, at the factory stage, each ceiling field panel 3c, 3d
(3e, 3f) roof unit main body and partition receiving bar 3
Since the wooden screws M, M, ... are temporarily fixed to 4, the middle wall panel 5c does not become an obstacle when a ceiling step is generated between the adjacent roof units B5, B6 during the construction / assembly of the unit building, and the division is performed. Ceiling field panels 3c, 3d, 3e, 3
Since the temporary fixing can be released for each f, the ceiling step can be corrected reliably and easily.

Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific structure is not limited to this embodiment, and there are design changes and the like within the scope not departing from the gist of the present invention. Also included in the present invention. For example, the fixing tool for temporary fixing is not limited to wood screws, but may be screws, bolts, nails, or the like. Further, the partition wall is not limited to the bearing wall, but may be a non-bearing wall. Further, the roof unit is not limited to the wood type, but may be a steel frame type. Similarly, the invention is not limited to the roof unit by the wall construction method, but can be applied to the roof unit by the frame construction method. Further, the fixing of the ceiling edge panel is not limited to a hanging tree or the like, but may be a truss beam or a girder small wall panel. Further, in the above-mentioned embodiment, the case where the roof unit is provided with two ceiling rim panels is described, but the present invention is not limited to this, and if there is a building unit having three room parts, corresponding to this ,
You may make it attach three ceiling field panels also to a roof unit. Further, instead of the partition receiving bar, the upper frame of the middle wall panel may be inserted and fixed between the two divided ceiling edge panels. Further, a ceiling face material may be attached to all or part of the lower surface of each ceiling field panel from the factory stage in advance. Also,
If the partition wall is a sound insulation partition wall, as shown in FIG. 15, a cushioning material 8 such as a foam or a rubber elastic body should be inserted between the partition receiving bar and the end edge of the ceiling field edge panel. In this case, the vibration transmitted through the ceiling is reduced, so that the sound insulation performance between the rooms can be further enhanced.

[0027]

As described above, according to the roof unit of the present invention, the ceiling rim panel is divided into a plurality of parts corresponding to a plurality of living room parts to be arranged under the roof unit. Therefore, the partition wall for partitioning the two adjacent living room portions can be reliably fixed to the ceiling edge (end edge) or the joint receiving material (configuration according to claim 2). Therefore, the partition wall is firmly fixed. It should be noted that if a cushioning material is inserted between the joint receiving material and the ceiling field panel (edge field), the sound insulation performance of the partition wall can be further enhanced. Further, in the configuration according to claim 2, if each ceiling field panel is temporarily fixed to the roof unit main body and the joint support member with a screw member in advance at the factory, they are adjacent to each other during construction and assembly of the unit building. When a ceiling step occurs between the roof units, the partition wall does not become an obstacle and the temporary fixing can be released for each of the divided ceiling field edge panels, so that the ceiling step can be easily corrected.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an exploded configuration of an eaves side roof unit that is an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing an exploded configuration of a ridge-side roof unit of the embodiment.

FIG. 3 is a perspective view schematically showing a configuration of a building unit according to the embodiment.

FIG. 4 is an exploded perspective view showing an exploded configuration of the unit building according to the embodiment.

FIG. 5 is an exploded perspective view showing an exploded configuration of a main part of the same unit building (joint between a building unit having two room portions and a roof unit having two ceiling portions).

FIG. 6 is a cross-sectional view showing a configuration of a main part (joining of a middle wall (partition wall) and a ceiling part) of the unit building.

FIG. 7 is a cross-sectional view showing the configuration of the roof side roof unit of the same eaves.

8 is an enlarged cross-sectional view of a main part showing a main part C of FIG. 7 in an enlarged manner.

9 is an enlarged cross-sectional view of a main part showing a main part D of FIG. 7 in an enlarged manner.

FIG. 10 is a main part perspective view showing a main part of the various roof units.

FIG. 11 is a cross-sectional view showing a structure of a joint between a gable small wall panel and a ceiling field panel in the various roof units.

FIG. 12 is a cross-sectional view showing a configuration of a connecting portion between the ceiling field panels.

FIG. 13 is an exploded perspective view showing an exploded configuration of a connecting portion between the ceiling field panels.

FIG. 14 is a cross-sectional view for explaining the operation of this example.

FIG. 15 is a view showing a configuration of a connecting portion between ceiling field edge panels according to a modified example of the embodiment.

FIG. 16 is an exploded perspective view showing the configuration of a unit building by disassembling it into units for explaining the conventional technique.

FIG. 17 is an exploded perspective view showing the configuration of roof units (eave side roof unit and ridge side roof unit) in an exploded manner for explaining the conventional technique.

FIG. 18 is an exploded perspective view showing an exploded configuration of a conventional roof unit with a roof edge (eave side roof unit and ridge side roof unit).

FIG. 19 is an exploded perspective view showing the configuration of a unit building by disassembling it into units for explaining the conventional technique.

[Explanation of symbols]

1a, 1b Roof panel 11 Tarpaulin (component of roof frame) 12 Field plate 14 Girder beam (component of roof frame) 2a, 2b Tsumakobe wall panel (support structure part) 3c, 3d, 3e, 3f Ceiling field panel 32a, 32b, 35a, 35b Side edge (ceiling edge) 33, 36 Short edge edge 33a, 36a End edge 34 Partition receiving wood beam (joining receiving material) 5c Middle wall panel (partition wall) 6a, 6b, 6c Hanging tree B5 Roof side roof unit (roof unit) B6 Building side roof unit (roof unit) A3, A4 Building unit R1, R2 Living room part M Wood screw (screw member) 7 Ceiling surface material 8 Cushioning material

Claims (5)

(57) [Claims] 1. A square frame formed by a ceiling edge on a lower surface of a roof unit main body composed of a roof panel having a roof plate attached to an upper surface of a roof frame and a support structure portion supporting the roof panel. A roof unit to which a ceiling field panel is attached, wherein the ceiling field panel is divided into a plurality of parts corresponding to a plurality of living room parts to be arranged under the roof unit. A characteristic roof unit. 2. A connection receiving member for connecting the ceiling field panels to each other and for receiving a partition wall is provided at a connecting portion between the ceiling field panels which are divided into a plurality of parts. The roof unit according to claim 1, wherein: 3. The roof unit according to claim 2, wherein a cushioning material is inserted between the splice receiving material and the ceiling field panel. 4. The roof unit according to claim 2, wherein each of the ceiling field panels is temporarily fixed to the roof unit body and the joint receiving member by using a screw member. 5. The roof unit according to claim 1, 2, 3 or 4, wherein a ceiling surface material is attached to all or part of the lower surface of each ceiling field panel.