JPH02167945A - Roof unit - Google Patents

Abstract

PURPOSE:To make it unnecessary to install a column and the like downward of an intersecting point of ridges and to secure a broad garret space by rigidly connecting beams constituting a ridge with each other at an intersecting point of ridges among bearing frames of a roof unit constituting a hipped roof. CONSTITUTION:In a roof unit B constituted of bearing frames 1, 2 and roof boards, a girder 14 and corner beams 16a, 16a, 16b, 16b of a ridge side roof unit B1 are rigidly connected. According to the constitution, bearing strength at an intersecting point 30 of a girder 10 and a down ridge 20 is secured without providing vertical members such as columns, trussed beams and others. Tie beams 13a, 13a, 13b, 13b and corner beams 16a, 16a, 16b, 16b of the ridge side roof unit B1 are rigidly connected, and tie beams 24a, 24a and corner beams 25a, 25b of an eaves side roof unit B2 are rigidly connected. According to the constitution, bearing strength at a connection 40 of the down ridge 20 is secured without providing the vertical members.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial F11 Field) The present invention relates to a roof unit used in a unit building.

(Prior Art) In recent years, unit buildings have become widespread as a way to increase the industrial production rate of buildings. This unit building is -
This is a type of building in which the building is divided into several units in advance and produced in a factory, and these units are assembled at the construction site. The units that make up a unit building include room units that make up each room such as the living room, dining room, and bedroom of the building, and roof units that make up the roof part of the building. These units are pre-fabricated.

Assembly is carried out at the construction site. Assembly is carried out by first installing the room units on a foundation and interconnecting them, then installing the roof units on top of each of the installed room units, and interconnecting the roof units.

By the way, the roof unit is disclosed in Japanese Patent Application Laid-Open No. 53-19, for example.
As described in Japanese Patent No. 18, it is composed of a roof board and a support frame that supports the roof board.

The support frame is configured such that truss beams are erected substantially vertically at both ends on the gable side, and eave beams, corner beams, etc. are constructed between the truss beams.

(Problem to be Solved by the Invention) Therefore, in a roof assembled using such conventional roof units, the attic space is finely divided into a plurality of spaces by the truss beams of each unit. This is inconvenient for effective use.

The present invention aims to solve the above problems and provide a roof unit that can secure a large attic space.

(Means for Solving the Problems) In order to achieve the above object, the roof unit of the present invention has the following features:
A roof unit constituting a hipped roof, consisting of a roof plate and a support frame, in which one beam forming the ridge of the support frame
They are rigidly connected to each other at the intersection of the ridges.

(Function) In the roof unit of the present invention, since the beams forming the ridges are rigidly connected to each other at the intersections of the five ridges, there is no need to provide vertical members such as columns or truss beams below the intersections of the ridges. The support strength of the frame can be ensured.

(Example) Hereinafter, an example of the present invention will be described in detail based on FIGS. 1 to 9.

First, the configuration of the embodiment will be explained.

FIG. 1 shows a two-story unit house, where A is a room unit that constitutes the living room, dining room, bedroom, etc., and B is a roof unit that constitutes the roof of the building.

The roof unit B is a hipped roof divided into two in the girder direction and into three in the gable direction, and includes a line side roof unit B+ and an eaves side roof unit B2.

FIG. 2 shows the support frame 1 of the line side roof unit B1,
FIG. 3 shows the support frame 2 of the eaves-side roof unit B2.

The support frame l of the line-side roof unit B1 is provided with an eave beam 11 at one end on the gable side, and a truss beam 1 at the other end on the gable side.
2 is provided, and the eaves beam 11 and the truss beam 12 are j4
! Corner beams 16a, 16b are connected to the beams 13a, 13b, the girder 14, and the inclined beam 15, and are provided between the connecting portion of the girder 14 and the inclined beam 15, and the connecting portion of the connecting beams 13a, 13b. has been done. Also, between the truss beam 12 and the joint beams 13a and 13b, and between the truss beam 12 and the girder 14,
Reinforcement beams 17a and 17b are installed between the two, respectively. Note that the rafter support 18 is a small beam.

Further, the support frame 2 of the eave side roof unit B2 is provided with an eave beam 21 at one end on the gable side, and a truss beam 22 at the other end on the gable side, and the gable side eave beam 21 and the truss beam 2 are provided at the other end on the gable side.
2 is connected to the one-digit side eave beam 23 and the joint beams 24a, 24b, and the connecting portion of the joint beams 24a, 24b and the eave beam 21.
Corner beams 25a and 25b are constructed between the corners of 23. Further, a reinforcing beam 25 is installed between the truss beam 22 and the connecting beam 24a.

That is, by arranging the eave side roof unit B2 on both girder sides of the ridge full roof unit B1, the main ridge lO is formed by the main beam 14 of the line side roof unit B1, and the line side roof unit B The corner beams L6a, 16b and the corner beams 25a, 25b of the eaves-side roof unit B2 form a descending ridge 20, and the hipped roof is constructed as a whole.

In addition, the corner beams 25a and 25b of the eaves side roof unit B2 are as follows.
The tip extends to a position closer to the eaves than the corner of the girder side eaves beam 23 and the girder side eave beam 21.

Next, based on FIG. 4 and FIG.
) bond structure will be explained.

As shown in FIGS. 4 and 5, the large beam 14 and the inclined beam 15 are formed of steel having a cross-sectional shape, and are rigidly connected to each other by welding through gusset plates 31.31 and reinforcing members 311.311. has been done. The gusset plate 31.31 and the reinforcing member 311.311 are connected to the girder 14.
The gusset plate 31.31 is welded to the outer surface of the beam 14.15, and the reinforcing member 311.311 is inserted and welded inside the beam 14.15.

The corner beams 16a and 16b are formed of steel having a U-shaped cross section, and are connected to each other by tightening ports 32 and nuts 33. And the corner beams 16a, 16b
In this case, the corner beam 16b on the wife side is connected to the port 3 with respect to the corner beam joint fitting 34 fixed to the upper end of the inclined beam 15.
5 and a nut 36. still,
In FIG. 5, the roof plate support 37 is a metal fitting, which is fixed to the inclined beam 15 by a port 38 and a nut 39.

Next, based on FIGS. 6 and 7, the connecting beams 13a, 13b and corner beams 16a, 16b (second
The connection structure in the main part (■) of the figure will be explained.

As shown in FIGS. 6 and 7, the joint beam 13a.

13b is formed of a shaped steel having an opening-shaped cross section, and is rigidly connected to each other by welding via a gusset plate 41.41 and a reinforcing member 411.411. The gusset plate 41.41 and reinforcing member 411.411 are 5-car joint beam 1.
3a, 13b, the gusset plate 41.41 is welded to the outer surface of both joint beams 13a, 14b, and the reinforcing member 411.411 is inserted and welded inside both joint beams 13a, 13b. .

In addition, the corner beams 16a and 16b are fixed to the upper end of the joint beam 13b, and the corner beam 16b on the gable side is fixed to the small beam 18 by tightening ports 42 and nuts 43. .

Next, based on FIGS. 8 and 9, the connecting beams 24a, 24b and corner beams 25a, 25b (
The connection structure of the main part X1l1) in FIG. 3 will be explained.

As shown in FIGS. 8 and 9, the connecting beam 24a.

24b is formed of a shaped steel having a cross-sectional shape, and is rigidly connected to each other by welding via a gusset plate 51.51 and a reinforcing member 511.511. The gusset plate 51.51 and reinforcing member 511.511 are one car! # Provided across the beams 24a and 24b, the cassette plate 1-51.51 is welded to the outer surface of both the joint beams 24a and 24b, and the reinforcing member 511.511 is installed across the joint beams 24a and 24b.
It is inserted inside and welded.

The corner beams 25a and 25b are formed of steel having a U-shaped cross section, and are connected to each other by tightening ports 52 and nuts 53. The corner beams 25a and 25b are
The roof plate support fixed to the upper end of the connecting beam 24b has the gable side corner beam 25b fixed to the metal fitting 54 by tightening a port 55 and a nut 56. In FIGS. 8 and 9, reference numeral 57 denotes a rafter mounting bracket, which is fixed to the corner beam 25a on the first row side.

The freezing roof unit B1 and the forward roof unit B2 can be connected by connecting the connecting beams of each unit B, B2 to each other using ports and nuts.

As explained above, in this embodiment, the main beam 14 of the line side roof unit B1 and the corner beams 16a, 16b are rigidly connected, and the support strength at the intersection 30 of the main ridge 10 and the lower ridge 20 is increased by the support strength of the columns and trusses. Since it is secured without providing vertical members such as beams, the attic space of the first line side roof unit B1 can be secured widely without providing partitions such as vertical members.

Furthermore, the connecting beams 13a, 13b of the line-side roof unit B1 and the corner beams 16a, 16b are rigidly connected, and the connecting beam 24a of the eave-side roof unit B2.

24b and the corner beams 25a and 25b are made into a rigid connection and then lowered? Since the structure secures the support strength at the connection part 40 of J20 without installing vertical members such as columns, it is possible to secure the support strength in the attic space of the 1st line side roof unit B and the eaves side roof unit 1-82.
An even wider attic space can be formed without providing a partition between the attic space and the attic space.

Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are design changes within the scope of the gist of the present invention, they are included in the present invention. For example, in the embodiment, a roof unit with a hipped roof having a large ridge is taken as an example, but the present invention may also be applied to a roof unit with a rectangular hipped roof in which the ridges are concentrated at one point.

In addition, in the embodiment, a roof unit was shown in which the hipped roof was divided into two in the girder direction and three in the gable direction, but as shown in Figure 1O, it was formed by dividing the hipped roof into four in the gable direction. It may be applied to the roof units B2 and B3 to be formed.

(Effects of the Invention) As explained above, the roof unit of the present invention has a structure in which the support strength of the support frame is ensured by rigidly connecting the beams forming the ridges to each other at the intersections of the ridges. Therefore, an effect can be obtained in that a wide attic space can be secured under the roof board without installing vertical members such as columns or truss beams below the intersection of the ridges.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a unit house using a roof unit according to an embodiment of the present invention, FIGS. 2 and 3 are perspective views showing a support frame of the roof unit, and FIG. 4 is a main part +V of FIG. 2. Fig. 5 is a side view of the main part +V, Fig. 6 is a plan view showing the main part Vl of Fig. 2, Fig. 7 is a side view of the main part ■, Fig. 8
The figure is a plan view showing the main part (2) in Fig. 3, Fig. 9 is a side view of the main part (2), and Fig. 1O is a perspective view showing the other side of the unit house. B...-Roof unit B1--Line side roof unit B2...Eave-side roof unit...Support frame 14--Large beams 16a, 16b=Corner beam 2...-Support frame 25a, 25b-- Patent application for one corner beam Hiroshi, Representative of Sekisui Chemical Co., Ltd. 1) Kaoru A-・One-room unit

Claims (1)

[Claims] 1) A roof unit constituting a hip roof, consisting of a roof plate and a support frame, characterized in that the beams forming the ridges of the support frame are rigidly connected to each other at the intersections of the ridges. roof unit.