JPH07238625A - Roof structure and roof unit in eaves section - Google Patents

Abstract

PURPOSE:To facilitate transportation of a roof unit in an eaves section to the site and its assembly at the site. CONSTITUTION:Roof frames 1A, 1B which are extended in the longitudinal direction, a large roof panel 3 on which a roof finish material is applied, and a roof unit 2 in eaves section are combined. The roof frames 1A, 1B consist of a rigid frame or truss in the shape of vertical face and are provided respectively by putting them side by side in the direction of gable on a building main body 5 constituted of unit boxes 4 which are put side by side. Bundle members 9 at both ends of each roof frame 1A, 1B are provided on posts of the unit boxes 4. The roof unit 2 in eaves section has an eave soffit 17 and a gutter 18. The roof panel 2 is extended from a ridge section to a tip of eaves and provided on the roof frames 1A, 1B and the roof unit 2 in eaves section. The roof unit 2 in eaves section may be of folded type.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof structure and an eaves roof unit in a unit building such as a house.

[0002]

2. Description of the Related Art Conventionally, as a roof structure of a unit house,
It is generally adopted that a plurality of mountain-shaped roof trusses parallel to the gable surface are arranged in the column direction, a roof panel is placed on these roof trusses, and a finishing material such as a roofing material is applied.
Eaves gutters and gables are also installed on site. In addition to this, the roof may be divided into several triangular boxes to be manufactured in a factory, and then transported to the site to be joined to the unit roof.

[0003]

The above-mentioned unit roof type has a high factory production rate and requires a relatively small amount of on-site work. However, since a three-dimensional roof unit is to be transported to the site, it is difficult to transport. ineffective. Moreover, it is necessary to divide the roof unit into small roof units due to the size restrictions under the Road Traffic Law, which increases the number of units and the number of trucks. Because of these, transportation costs increase. Further, since the roof unit is divided into a large number in this way, the work of processing the connecting portion on the site increases. Moreover, the division of the roof unit is also performed in the end direction, and a large number of inter-unit connection portions extending in the lateral direction (column row direction) are formed on the roof surface. Compared to the vertical (direction along the roof slope) connection in the horizontal direction of the roof surface, it is more difficult to finish rain, which is a complicated and time-consuming operation. Therefore, even if the unit roof type is adopted, it is difficult to obtain the expected labor-saving effect of on-site construction, and it is disadvantageous in terms of cost etc. when comprehensively judged. It is often referred to as a form of roof.

Since the above truss type roof is composed entirely of flat parts, it is more efficient in transportation than the unit roof type. However, since all conventional roofs of truss type use roof trusses parallel to the gable surface, the roof trusses have a mountain shape or a triangular shape obtained by dividing the roof truss into two. Therefore, space efficiency cannot be sufficiently improved during truck transportation and storage. In addition, in the conventional truss type roof, since eaves ceilings, eaves gutters, and small parts such as gables are also constructed on-site, the construction takes time and the construction period becomes long. Moreover, installation of these small parts involves a lot of work in high places, which is dangerous and requires scaffolding. In unit construction houses, a structure has been developed that can perform most of the construction without the need for scaffolding.In such a structure, the scaffolding is assembled only for processing the eaves, which is inefficient. .

It is an object of the present invention to provide a roof structure and an eaves roof unit which can efficiently transport and store the constituent members on site and can be easily installed on site.

[0006]

The roof structure of the invention of claim 1 is a roof structure of a pitched roof constructed on juxtaposed unit boxes, which comprises vertical plane ramen or truss extending in the girder direction. The roof frame is provided at a plurality of locations separated from each other in the direction of the wife. The bundles at both ends of any of the roof frames are installed on the pillars of the unit box.

In this structure, it is preferable to provide an eaves roof unit projecting laterally along the girder direction at the upper end of the unit box. The eaves roof unit shall have the eaves frame and eaves ceiling. It is preferable to install a large roof panel extending from the ridge to the eaves on the roof frame. When the eaves roof unit is provided, a large roof panel extending from the ridge to the eaves is installed across the roof frame and the eaves roof unit.

The roof structure of the invention of claim 5 is applied not only when the building body is a unit box. According to the present invention, a plurality of roof frames composed of vertical plane ramen or trusses extending in the girder direction, and an eaves roof unit having an eaves frame, and from the ridge to the eaves on these roof frames and eaves roof unit. And a roof panel extendingly provided. The roof frame is provided at each of a plurality of locations separated in the direction of the wife.

The eaves roof unit of the present invention is of a foldable type and is provided with a roof panel or the like thereon. That is, this eaves roof unit has an inclined frame that has a building frame joint at the upper end and extends along the roof slope, and is attached to the eaves of this inclined frame so that it can rotate up and down, and An eaves ceiling frame that can be folded in an overlapping state, a support frame that is attached to the eaves ceiling frame at a lower end that can be folded in a collapsed state, and an upper end that can be joined to the inclined frame, and an eaves ceiling surface that is stretched on the eaves ceiling frame. A material and a gutter provided along the eaves tip portion of the inclined frame or the eaves ceiling frame.

[0010]

In this roof structure, since the roof frame is a vertical plane frame or truss extending in the girder direction, these roof frames are rectangular flat parts. Therefore, it can be transported and stored in the factory with good space efficiency. Further, when the roof frame structure extending in the girder direction is formed in this manner, it is easy to make it a size that can be hung between both ends in the longitudinal direction of the unit box, and the combination structure with the unit box becomes a neat and simple structure. Therefore, roof design is easy. With the bundles at both ends of the roof frame installed on the pillars of the unit box, the roof load is directly supported by the pillars of the unit box, so the roof load does not act on the ceiling beams,
The strength of the ceiling beam can be afforded.

When the eaves frame unit and the eaves roof unit having the eaves ceiling are attached to the upper end of the unit box, the eaves frame which tends to have a complicated structure can be easily installed by simply attaching it to the unit box. Can be installed on site. Moreover, on-site construction of the eaves ceiling is unnecessary. Since the eaves roof unit is relatively small, the problem of transportation efficiency is relatively small even if it has a three-dimensional shape.

When a large roof panel extending from the ridge to the eaves is installed on the roof frame, no lateral joint is formed on the roof surface, which facilitates on-site construction. The roof panels are factory-produced with the roofing material, which is the finishing material, applied, so that on-site work only requires roof panel installation work and rain treatment at the joints between the roof panels in the vertical direction. , The construction is very easy.

In particular, when the large roof panel extending from the ridge to the eaves and the eaves roof unit are combined with the roof frame structure, the construction work on site is very easy and the roof is The components are flat parts except the eaves roof unit. Therefore, most of the components can be used as flat parts to improve the efficiency of transportation and storage, and on-site construction can be performed to the same extent as the conventional unit roof type. Therefore, by combining this roof structure with a unit construction building, the transport efficiency can be improved without impairing the effect of shortening the construction period, which is the greatest advantage of the unit construction method.

[0014] Also in a building of a construction method other than a unit construction method, for example, a panel construction method or a building construction method, the claim 5
By adopting this roof structure like the configuration of, the efficiency of transportation and the on-site construction can be facilitated.

In the eaves roof unit according to the sixth aspect, since the inclined frame, the eaves ceiling frame and the support frame can be folded together, they can be transported and stored in a flat state, and the efficiency of transportation and storage can be improved. good. Moreover, since the eaves ceiling and the gutter are provided in advance, most of the on-site roof units can be simply attached to the building body such as a unit box after returning from the folded state to the three-dimensional shape by ground work. The eaves construction is completed. Therefore, it is possible to complete the construction of the eaves without using a scaffold, without the need for complicated work in high places.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows an example applied to a unit house. In this roof structure, vertical plane-like roof frames 1A and 1B extending in the girder direction are installed on a building body 5 formed by arranging unit boxes 4 side by side at a plurality of positions separated from each other in the gable direction, and an eaves roof. The unit 2 is provided on the upper end of the unit box 4, and the large roof panel 3 extending from the ridge to the eaves is provided on the roof frames 1A and 1B and the eaves roof unit 2.
Is installed. A gable wall panel 20 is provided on the gable surface.

Each unit box 4 constituting the building body 5 is of a steel frame type, and has four corner pillars 6 (FIG. 2) made of shaped steel, a floor beam connecting the lower ends of the pillars 6, and an upper end. The frame is constructed in the frame structure with the ceiling beam 7 that joins between the
A face material such as the outer wall panel 8 (FIG. 5 (C)) is stretched over this. Each of the roof frames 1A and 1B has a portal frame structure in which a horizontal frame 10 made of channel steel or the like is rigidly joined between the upper ends of the left and right bundle members 9 made of square pipes as shown in FIG. As shown in FIG. 1, they are installed on the unit box 4 so as to face the girder direction of the building body 5 and be separated from each other in the direction of the girder.

The bundles 9 at both ends of each roof frame 1A, 1B are
A mounting plate 9a is fixed to the lower end by welding or the like.
Both unit boxes 4, 4 lined up in the direction of the wife as shown in (A)
Is installed straddling over two adjacent columns 6 and 6. The mounting plate 9a is fixed to the ceiling beam 7 with bolts or the like. By thus installing the bundle 9 across the two columns 6 and 6, the supporting strength of the roof frames 1A and 1B on the unit box 4 is improved. In addition, as shown in FIG. 4B, the roof frame 1A,
When only one bundle 9 of 1B is located, the bundle 9 is installed so as to straddle all four adjacent columns 6 of these unit boxes 4. The mounting plate 9a 'is also sized to fit on these four pillars 6. Thereby, the support strength of the roof frames 1A and 1B is further improved.

The height of each roof frame 1A, 1B differs depending on the installation position in the gable direction. That is, the roof frames 1A and 1B are configured to be gradually lowered from the ridge to the eaves according to the roof slope. Receiving members 12A and 12B (FIGS. 2 and 7) for receiving the frame 11 of the roof panel 3 are attached to the upper ends of the roof frames 1A and 1B, respectively, at the arrangement positions of the roof panel frame 11. The receiving member 12A of the roof frame structure 1A of the ridge is for receiving the roof panels 3 and 3 on both sides of the ridge, and as shown in FIG. The side plate portion 12Ab and the bottom plate portion 12Ac are formed into a box shape, and the bottom plate portion 12Ac is bolted to the upper horizontal frame 10 of the roof frame 1A. As shown in FIG. 7B, the intermediate roof frame 1
The receiving member 12B of B includes an upper surface plate portion 12Ba having an inclined surface along the roof slope, a pair of side plate portions 12Bb, and a bottom plate portion 12B.
It is formed into a box shape with c, and the roof frame 1B is composed of the bottom plate portion 12Bc.
Bolted to the upper horizontal frame 10 of the. Instead of the box-shaped receiving member 12B, a groove-shaped receiving member 12B 'having an upper flange inclined downward as shown in FIG. 7C may be provided on the upper horizontal frame 10 along the entire length. The receiving member 12A of the ridge may also extend along the entire length of the upper horizontal frame 10. In the eaves portion, the receiving member 12C is directly fixed to the ceiling beam 7 of the unit box 4 with bolts or the like as shown in FIG.

The eaves roof unit 2 is provided on the upper end of the unit box 4 so as to project laterally. The eaves roof unit 2 is composed of an eaves roof frame 2 ', an eaves ceiling panel 17, a gutter 18, etc., as shown in FIG. 5 (C). The eaves roof structure 2'includes an inclined frame 13 extending obliquely along the roof slope and a front frame member 14a extending in the girder direction.
And a rear frame member 19 are joined to each other, and the supporting frame 16 is supported from the inclined frame 13 via the connecting plate member 15.
It is configured by hanging. The inclined frame 13 is joined to the side surface of the connecting plate member 15, and the bent plate portion 15 a is joined to the rear frame member 19. The eaves roof rear frame member 14b is joined between the lower ends of the supporting frames 16. An eaves ceiling panel 17 made of a fireproof cement plate or the like is stretched between the eaves rear frame member 14b and the front frame member 14a. A nose cover member 40 is attached to the front surface of the front frame member 14a, and a gutter 18 is attached to the front surface thereof. This eaves roof unit 2
The rear frame member 19 to the ceiling beam 7 of the unit box 4.
It is installed by being joined to the side surface of the with a fastener 41 such as a bolt.

The end wall panel 20 shown in FIG. 1 is constructed by attaching wall materials 22A, 22B and 22C to a frame 21. The end wall panel 20 has a wall material 22C that covers the end surface of the eaves roof unit 2. The roof panel 3 has a base plate 23 (FIG. 5) made of waterproof plywood or the like on an outer peripheral panel frame 11 made of channel steel or the like, and a metal plate or a slate on the roof with a roofing plate (not shown) interposed therebetween. Etc. and is provided with a roof material 24.

According to this roof structure, the roof frames 1A, 1
Since B is a vertical plane ramen that extends in the column direction,
These roof frames 1A and 1B are rectangular flat parts.
Therefore, space efficiency during transportation and storage is better than in the case of using a conventional roof truss parallel to the gable surface.
In addition, roof frames 1A and 1B extending in the girder direction in this way
In this case, the unit box 4 can be easily configured to have a size that can be hung between both ends in the longitudinal direction, and the structure combined with the unit box 4 can be a neat and simple structure. In particular, in this embodiment, the roof frames 1A and 1B have a gate-shaped rigid frame structure, so that the structure is very simple. Therefore, roof design is easy. Moreover, since the bundles 9 at both ends of each roof frame 1A, 1B are installed on the pillars 6 of the unit box 4, the roof load is directly supported by the pillars 6 of the unit box 4, so that the ceiling beam 7 is covered by the roof load. Does not act, and the strength of the ceiling beam 7 can be increased.

In addition, the eaves are provided with the eaves ceiling panel 17, the gutter 18,
Since the nose cover material 40 is factory-manufactured as the eaves roof unit 2 provided in advance and the eaves roof unit 2 is configured to be attached to the unit box 4 of the building body 5, most of the eaves with many small parts are formed. Can be factory-produced, and on-site construction can be done easily and quickly. Moreover, in this embodiment, since the eaves roof unit 2 can be attached only by bolting the rear frame member 19 of the eaves frame 2'to the ceiling beam 7 of the unit box 4, the attaching work can be performed easily. For this reason, scaffolding is unnecessary for construction of the eaves, and it is possible to construct the entire building without assembling scaffolding at all.

Further, since the roof surface is composed of a large roof panel 3 extending from the ridge part to the eaves, and the roof panel 3 is preliminarily subjected to a finishing material such as the roof material 24, the roof panel at the site. The work is completed only by the installation work of No. 3 and the rain end treatment of the vertical joint between the roof panels 3 and 3, and the construction is very simple. In this way, since the large roof panel 3 extending from the ridge to the eaves, the roof frames 1A and 1B extending in the girder direction, the eaves roof unit 2, and the gable wall panel 20 are combined, most of the roof is formed. While improving the efficiency of transporting and storing the components of the above as flat parts, reducing the number of joints by increasing the size of the parts,
It is possible to improve the factory production rate by unitizing complicated locations. Therefore, the on-site construction is very easy, and the on-site construction is the same as the conventional unit roof type. Therefore, by combining this roof structure with a unit construction building, the transport efficiency can be improved without impairing the effect of shortening the construction period, which is the greatest advantage of the unit construction method. Since the eaves roof unit is relatively small, the problem of transportation efficiency is relatively small even if it has a three-dimensional shape.

In the above embodiment, the roof frames 1A, 1
Although B has a rigid frame structure, it may have a truss structure as shown in FIG. 8, for example. In the example of the figure, the roof frame 1A, 1
In B, the horizontal frame members 10a and 10b are joined between the upper ends and the lower ends of the bundle members 9 at both ends, and the lattice member 42 is joined between the upper and lower horizontal frame members 10a and 10b. Further, in the above embodiment, the case where the bundles 9 at both ends of each roof frame 1A and 1B are installed on the pillars 6 of the unit box 4 is shown. However, as shown in FIG. Depending on the situation, the bundle material 9 of a part of the roof frame structure 1A may be installed on the ceiling beam 7 of the unit box 4. In this example, the roof frame 1A of the ridge is installed on the ceiling beam 7, but the intermediate roof frame 1B may be installed on the ceiling beam 7.

Further, in the above-mentioned embodiment, an example in which it is applied to a unit house is shown, but the roof structure is also formed on a building body having another structure, for example, a panel building method or a frame construction method building body in the same manner as described above. Can be built.

In the above embodiment, the eaves roof unit 2 is assembled into a three-dimensional structure at the factory and transported to the site, but the invention is not limited to this, and the foldable eaves roof unit 32 is used as shown in FIG. You may. The eaves roof unit 32 includes an inclined frame 33 extending along a roof slope.
And an eaves ceiling frame 34 attached to the eaves end portion of the frame 33 so as to be vertically rotatable, and an eaves ceiling frame 34
A support frame 35 whose lower end is attached so as to be foldable in a tilted state and whose upper end can be joined to the inclined frame 33.
And constitute the eaves frame 32 '. This eave frame 32 '
The eaves ceiling surface material 36 is attached to the eaves ceiling frame 34, and the gutter 37 is attached along the eaves end of the eaves ceiling frame 34 to form the eaves roof unit 32. The gutter 37 may be attached to the inclined frame 33. On the upper end of the inclined frame 33, a building frame joint portion 33a for attaching to the upper end of the unit box 4
Is formed and is attached to the ceiling beam of the unit box 4 at the joint portion 33a by a fastener such as a bolt.

In the case of this eaves roof unit 32, FIG.
It can be transported to the site in a folded state like 0 (A). At the site, the roof material mounting frame 33 is opened as shown in FIG. 10 (B), and finally the support frame 35 is raised from the eaves ceiling frame 34 and engaged with the roof material mounting frame 33 as shown in FIG. 10 (C). It is assembled so that its general shape is a triangle, and then joined to the upper end of the unit box 4. In this way, by making the eaves roof unit 32 a foldable type, it is possible to transport all the parts constituting the roof together with the roof frames 1A and 1B and the roof panel 3 to the site as planar parts, and Transport efficiency is improved.

[0029]

According to the roof structure of the first aspect of the present invention, a roof frame composed of vertical plane ramen or truss extending in the girder direction is provided at each of a plurality of positions spaced apart in the gable direction, and a bundle of both ends of each roof frame is provided. Since the material is installed on the pillar of the unit box, most of the components can be planar parts, and the roof frame has a rectangular shape, so that transportation and storage are efficient. In addition, the components can be made larger, the number of divisions can be reduced, and the number of joints can be reduced to simplify on-site construction. In addition, since the roof frame is provided with the bundle members at both ends thereof and is supported on the pillars of the unit box, it is possible to secure sufficient support strength.

A roof structure according to a second aspect is the roof structure according to the first aspect, wherein an eaves roof unit protruding laterally along the girder direction is provided at the upper end of the unit box located at the eaves. Since the room root unit has the eaves frame and eaves ceiling, the factory production rate of the eaves, which has many fine parts, is increased, and the on-site workability is further improved. In addition, since the three-dimensional parts need only be the eaves roof unit, the problem of bulky transportation to the site is small, and efficient transportation is possible. The roof structure according to claim 3 is the roof structure according to claim 1, in which a roof panel extending from the ridge to the eaves is installed on the roof frame. Therefore, by using a large roof panel, the number of divisions is reduced and the number of joints is reduced. It is possible to improve the on-site workability. Further, when the roof finishing material is provided in advance on the roof panel, the joining portion of the roof surface is only the joining portion in the vertical direction, and the rain collecting treatment of the joining portion becomes easy. The roof structure according to claim 4 is the roof structure according to claim 2, wherein the roof structure and the eaves roof unit are:
Since the roof panel that extends from the ridge to the eaves is installed, most of the components of the roof are flat parts, and the number of joints can be reduced by increasing the size of the components. The unit production can improve the factory production rate, which can improve the efficiency of transportation and storage while reducing the number of man-hours required for on-site construction and shortening the construction period.For example, on-site construction can be done to the same level as the conventional unit roof type. Can be something. Therefore, by combining this roof structure with the unit construction method, the transport efficiency can be improved and the cost can be reduced without impairing the effect of shortening the construction period, which is the greatest advantage of the unit construction method.

The roof structure of claim 5 applies the roof structure of claim 4 not only to the unit construction method but also to general buildings, but also in this structure, the effect of combination with the unit box is obtained. Except for this, the same effects as the effects of claim 4 are obtained.

Since the eaves roof unit of claim 6 is a foldable type, the eaves roof unit can be transported to the site in a small volume and the transportation efficiency can be improved, and since the eaves ceiling and the gutter are provided in advance in the unit, It is possible to easily and quickly perform on-site construction of eaves that have many small parts and are troublesome to construct.

[Brief description of drawings]

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

FIG. 2 is a cutaway front view of the roof structure.

FIG. 3 is a plan view showing the roof structure without a roof panel.

FIG. 4A is a plan view showing a support structure for a roof frame structure in the roof structure, and FIG. 4B is a plan view showing another example of a support structure for the roof frame structure.

FIG. 5 (A) is a front sectional view showing a ridge portion of the roof structure,
(B) is a front sectional view showing another part of the roof structure, and (C) is a front sectional view showing an eaves roof unit of the roof structure.

FIG. 6 is a side view showing an installed state of a roof frame in the roof structure.

FIG. 7 is a perspective view showing a mounting state of each receiving member in the roof structure.

FIG. 8 is an exploded perspective view showing a roof structure according to a second embodiment.

FIG. 9 is a front view showing a roof structure according to a third embodiment.

FIG. 10 is an assembly explanatory diagram of another embodiment of the eaves roof unit.

[Explanation of symbols]

1A, 1B ... Roof frame, 2, 32 ... Eaves roof unit,
3 ... Roof panel, 4 ... Unit box, 5 ... Building main body, 6 ... Pillar, 9 ... Bundle material, 17 ... Eaves ceiling surface material, 33 ... Roofing material mounting frame, 33a ... Building frame joint part, 34 ... Eaves ceiling frame , 35 ... Support frame, 36 ... Eaves ceiling surface material,
37 ... gutter

Claims (6)

[Claims] 1. A roof structure of a pitched roof constructed on juxtaposed unit boxes, wherein a roof frame composed of vertical plane ramen or trusses extending in the girder direction is provided at a plurality of locations separated from each other in the end direction. A roof structure in which the bundles at both ends of the roof frame are installed on the pillars of the unit box. 2. The roof structure according to claim 1, wherein an eaves roof unit projecting laterally along the girder direction is provided at the upper end of the unit box, and the eaves roof unit is provided with an eaves frame and eaves ceiling. The roof structure that has. 3. The roof structure according to claim 1, wherein a roof panel extending from the ridge to the eaves is installed on the roof frame. 4. The roof structure according to claim 2, wherein a roof panel extending from the ridge portion to the eaves is installed on the roof frame and the eaves roof unit. 5. A plurality of roof frames, each of which is provided at a plurality of positions separated from each other in the gable direction and is composed of vertical plane ramen or truss extending in the girder direction, and an eaves roof unit having an eaves frame, and these. A roof structure including a roof frame and a roof panel that extends from the ridge to the eaves on the eaves roof unit. 6. A sloping frame having a building frame joint at an upper end and extending along a roof slope, and a sloping frame rotatably attached to an eaves end portion of the sloping frame so as to be overlapped with a lower side of the sloping frame. A possible eaves ceiling frame, a support frame whose lower end is attached to the eaves ceiling frame so that it can be folded in a tilted state, and an upper end can be joined to the inclined frame, and an eaves ceiling surface material stretched on the eaves ceiling frame,
An eaves roof unit having a gutter provided along the eaves of the inclined frame or the eaves ceiling frame.