JPH0473503B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a horizontal roof that has a large step at least partially in the direction of the eaves.

[Conventional technology]

A conventional horizontal roof as described above will be explained with reference to FIG.

In Figure 9, 1 is a main building made of C-shaped steel, wooden rafters 2 are erected on top of the main building 1, and large and small crossbars 3 and 4 are erected alternately in the direction of the eaves on the rafters 2. and one set of large adjacent to the eaves direction,
Base material 5 is laid on each of the small crossbars 3 and 4,
A large step is formed between the base materials 5 adjacent to each other in the direction of the eaves.

Further, among the adjacent face plates 6 horizontally roofed on the base material 5, the ridge side edge 6a of the eave side face plate 6 is erected, and the eave side edge 6b of the adjacent ridge side face plate 6 is erected.
is bent downward so as to come into contact with the ridge side edge 6a of the face plate 6 on the eaves side, and is further bent from the lower edge of the bent part along the back surface of the base material 5 on the eave side.

On the other hand, as a horizontal roof with large steps,
-The one shown in No. 16417 is also known. In this known invention, the heat insulation board and the roof board (architectural board) are supported solely by the cross-beam members such as the purlin and the rim, each having a U-shaped cross section.In particular, the engagement part of the roof board in the direction of the eave is supported. When engaging, a simple structure is adopted in which the locking is done only by the protrusions protruding within the cross beam material without using any hangers.

[Problem to be solved by the invention]

The conventional horizontal roof with a large step, as shown in FIG. Therefore, there was a problem that the appearance was damaged.

Furthermore, at the locking point, the upright ridge-side end 6a of the face plate 6 on the adjacent eave side comes into contact with the eave side surface of the downwardly bent eave-side end 6b of the face plate 6 on the adjacent ridge side. Because there are only two buildings, rainwater and other water can enter the building through large steps.
Another problem was that it was prone to leaking.

On the other hand, in the above-mentioned Special Publication No. 58-16417,
As mentioned above, due to the simple structure in which the engaging parts of the roof plates are locked only by the protrusions protruding into the cross beams without using hangers, snow loads and the loads of workers during construction work are reduced. If an action to move the roof shingle toward the eaves occurs, as it only locks the protrusions, there is a risk that the entire roof surface will fall under the eaves, making it unsuitable for implementation. There was a problem.

The present invention solves each of the above-mentioned problems and is structured so that even if the hanging part provided at the eave side edge of the ridge side face plate is lengthened in order to provide a large step, the hanging part is difficult to deform. This prevents the appearance of a roof with a large step from being damaged, and also prevents rain from leaking by giving due consideration to the rain closure structure where the face plate engages.It also improves the design of the roof. The aim is to provide a horizontal roof that can be constructed by workers alone.

[Means to solve the problem]

The present invention provides for a horizontal roof that has a large step at least in part in the direction of the eave ridge, in which metal rafters 10 are fixed on a support member such as a concrete frame 9 and a main building, and a step member 11 is fixed on the metal rafters 10. The eave side end of the hard base material 13 is supported on the tiering member 11, and the ridge side end of the base material 13 is supported on the metal rafter 10, and the eave side of the tiering member 11 is supported. The lower part and the back surface of the hanging part 14c of the face plate 14 are supported, and the hanger 16 step part 1
6d is provided, and the upper end of this reinforcing plate 17 is connected to the stepped member 11.
At the same time, the face plate 14 is horizontally roofed on the base material 13 to form a large step between the face plates adjacent in the direction of the eave ridge, and an engagement provided at the ridge side edge of the face plate 14 on the eave side. Part 14
b is engaged with an engaging part 14d provided on the eaves side edge of the face plate 14 on the ridge side via a hanging part 14c, and is engaged and held by the hanger 16 fixed to the rafter 10. .

[Effect]

In the horizontal roof according to the present invention, even if the hanging part provided at the eave side edge of the ridge side face plate becomes long to create a large step, the back side of the hanging part is fixed to the metal rafters at the top and bottom ends. In addition to being supported by the tiering member and the hanger, a reinforcing plate placed close to the back side of the hanging part was interposed between the tiering member and the hanger.
The hanging portion is less likely to be deformed when external force is applied to it, and therefore the appearance of the roof can be prevented from being damaged.

In addition, the deformation of the hanging part may have an adverse effect on the engagement between the engaging part provided on the eaves side edge of the ridge side face plate via the hanging part and the engaging part provided on the ridge side edge of the eave side face plate. Therefore, it is possible to prevent rain from leaking from the portion where both the engaging portions are engaged.

The design of the roof can be improved by arbitrarily selecting the position and number of the portions having large steps as described above and interposing them between the portions having normal small steps.

Moreover, since all you have to do is assemble the rafters, tiering members, reinforcing plates, base materials, and face plates, construction can be done by a roof worker who is different from the worker who constructs the building frame, which improves work efficiency. , short-term finishing is possible.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 1 to 6.

In Fig. 1, 7 is the building frame, 8 is the part of the roof with a large step, or a large step.
This large step 8 is constructed as shown in FIGS. 2 and 3. That is, an inner base material 12 made of an ALC board, a wood wool board made of wood wool connected with cement, etc. is laid on the upper surface of the concrete frame 9, which has a slight slope, and a steel plate with a hat-shaped cross section is placed on the inner base material 12. A metal rafter 10 is fixed, and a step member 11 is fixed onto the metal rafter 10 with screws or the like.

As shown in FIG. 4, the tiering member 11 has a side plate 11b extending upwardly from the eave side edge and the ridge side edge of the bottom plate 11a, and protrudes upward from the upper edge of the side plate 11b to the eave side and the ridge side edge. It is made of a bent product such as a steel plate with flanges 11c protruding outward from each side, and holes 11 are provided in the side plate 11b for ventilation and weight reduction.
d are long ones formed at predetermined intervals.

On the flange 11c of the tiering member 11, the eave-side end of a hard base material 13 made of hard wood wool board, ALC board, plywood, etc. is supported and fixed, and the ridge-side end of the base material 13 is attached to the rafter 10. is supported by

Reference numeral 17 denotes a reinforcing plate, which is formed in a substantially inverted U-shape in cross section. The part 17b is the face plate 14 on the ridge side.
The upper end 17c of the reinforcing plate 17 supports the lower part of the eave side of the stepped member 11 and is fixed to the flange 11c. The reinforcing board 17 shall be fixed to the hanger 16 and the step member 11 at the latest before the ridge side face plate 14 is laterally roofed, and the reinforcing board 17 shall be fixed to the appropriate thickness as shown in FIG. It is a long piece made of bent steel plate. In addition, the intermediate portion 1 of the reinforcing plate 17
7b is the face plate 14 on the ridge side using an appropriate fastener 19.
It is fastened to the hanging part 14c of. The base material 1
3, a face plate 14 made of a metal plate such as a long painted steel plate is horizontally covered with felt 15 interposed therebetween, and a large step 8 is formed between adjacent face plates 14 in the direction of the eaves.

That is, the engagement part 14b is provided at the ridge side edge of the eave side face plate 14 via the short upright part 14a, and the eave side edge of the ridge side face plate 14 is provided with a long hanging part. An engaging portion 14d is provided via 14c,
The ridge side face plate 14 is attached to the engaging portion 14b of the eave side face plate 14.
The engaging portion 14d is held, and both engaging portions 14b, 1
4d is engaged, and the engaged part is preliminarily attached to the rafter 10.
It is engaged and supported by an engaging portion 16a provided at the upper end of the hanger 16 supported and fixed above.

The hanger 16 is made of a molded product such as a steel plate,
As shown in FIG. 5, an upright part 16c is provided protrudingly on the eaves side end of the mounting part 16b that is supported and fixed on the rafter 10, and a step part 1 bent toward the eave is provided on the upright part 16c.
An engaging portion 16a is integrally formed with the engaging portion 6d interposed therebetween, and an appropriate reinforcing bead 16e is further formed.

As shown in Figure 1, the part where the large step 8 constructed as above is formed is located at
As shown in FIG. There is a small step 18 between the portion 14b and the engaging portion 14d on the eaves side of the face plate 14 adjacent to the ridge side.
are connected by a structure with

In addition, the face plate 1 on the ridge side forming the small step 18
4 narrows the width, and the base material 13 on the bottom surface of the face plate 14
are supported on the rafters 10 by appropriate transverse members 21. In this embodiment, the height of the large step 8 is approximately 120 mm, and the height of the small step 18 is approximately 120 mm.
It is set to 45mm.

In addition, in the present invention, the stepped members may be short ones without ventilation holes and arranged in a broken line shape with mutual intervals in the lateral direction on a support member such as concrete frame. The mutual spacing serves as a ventilation hole in the stepped member shown in FIG.

FIG. 7 shows another embodiment of the invention. In this embodiment, the ridge-side end of the base material 13 on the eave side where there is a large step 8 is fitted into the U-shaped part 20a of the base material receiver 20 made of a bent thin steel plate. The lower surface of the base material receiver 20 is supported by the supporting part 20b that protrudes upward from the lower end of the base material 1.
3 and the rafter 10, and a locking part 20c protruding diagonally upward provided at the top end of the U-shaped part 20a is connected to the upright part 14a of the face plate 14 on the eave side. Attach to the back of the upper corner and attach the base material 1
A gap is formed between the ridge side end of No. 3 and the portion where the engaging portions 14b and 14d of the face plate 14 adjacent in the direction of the eave ridge are engaged. Also, in this example,
The height of the upright part 16c of the hanger 16 is increased, and the height of the ridge-side bent surface of the lower part of the reinforcing plate 17 and the surface fixed to the hanger 16 at its tip are lowered.

Furthermore, as shown in FIG. 8, in the stepped member of the present invention, the side plate 11b is erected on the eave side edge of the bottom plate 11a, and the flange 1 is erected from the upper edge of the side plate 11b to the eave side.
1c may be bent and holes 11d may be formed at predetermined intervals in the side plate 11b.

In the present invention, the supporting member is not limited to a concrete frame, but may be a metal purlin made of C-shaped steel or the like. In addition, in the present invention, a plurality of face plates may be laid horizontally in the direction of the eave ridge on the base material located at the same position in the direction of the eave ridge, and the effective width of all the face plates may be made the same, but as in the embodiment, If only the face plate located on the ridge side of a large step is roofed with a single face plate that has a wider effective width than the base material located at the same position in the direction of the eave ridge, the overall design of the roof will be further improved.
Further, an arbitrary number of portions having large steps can be provided at arbitrary locations in the direction of the eaves of the roof, and the entire portion may have large steps.

〔Effect of the invention〕

Since the present invention has the above-described configuration, even if the hanging part provided at the eave side edge of the ridge side face plate becomes long to provide a large step, the back side of the hanging part can be
The lower end of the hanging part is supported by a tiering member and a hanger fixed to a metal rafter, and a reinforcing plate placed close to the back of the hanging part is interposed between the tiering member and the hanging part, so that the hanging part is It becomes difficult to deform when external force is applied, and therefore, it is possible to prevent damage to the appearance of the roof.

In addition, the deformation of the hanging part may have an adverse effect on the engagement between the engaging part provided on the eaves side edge of the ridge side face plate via the hanging part and the engaging part provided on the ridge side edge of the eave side face plate. Therefore, it is possible to prevent rain from leaking from the portion where both the engaging portions are engaged.

The design of the roof can be improved by arbitrarily selecting the position and number of the portions having large steps as described above and interposing them between the portions having normal small steps.

Moreover, since all you have to do is assemble the rafters, tiering members, reinforcing plates, base materials, and face plates, construction can be done by a roof worker who is different from the worker who constructs the building frame, which improves work efficiency. It has many features such as being able to be completed in a short period of time.

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view showing a horizontal roof according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view taken along the - line in FIG. 1, FIG. 3 is a partially enlarged view of FIG. The figure is a perspective view with a part of the stepped member cut away.
6 is a perspective view of a reinforcing plate, FIG. 7 is a sectional view corresponding to FIG. 3 showing a horizontal roof according to another embodiment of the present invention, and FIG. 8 is a tiered roof. FIG. 9 is a perspective view showing a modified example of the member, and a partial side sectional view showing a conventional horizontal roof. 7...Building frame, 8...Big step, 9...
Concrete frame, 10...Metal rafters, 11...
Stepping member, 11a...bottom plate, 11b...side plate,
11c...flange, 11d...hole, 12...inner base material, 13...base material, 14...face plate, 14
a... Standing part, 14b... Engaging part, 14c... Drooping part, 14d... Engaging part, 15... Felt, 1
6...Hanger, 16a...Engaging part, 16b...Mounting part, 16c...Rising part, 16d...Step part, 16e
...Reinforcement bead, 17...Reinforcement plate, 17a...
Lower end part, 17b... middle part, 17c... upper end part,
18... Small step, 19... Fastener, 20...
Base material receiver, 20a... U-shaped part, 20b... Supporting part, 20c... Locking part, 21... Horizontal member.

Claims (1)

[Scope of Claims] 1. In a horizontal roof that has a large step at least in part in the direction of the eaves, metal rafters 10 are fixed on supporting members such as a concrete frame 9 and a purlin, and a step member is placed on the metal rafters 10. 11 is fixed, and the eave side end of the hard base material 13 is supported on the stepped member 11, and the ridge side end of the base material 13 is supported on the metal rafter 10, and the stepped member 11 is fixed. supports the lower part of the eave side and the back surface of the hanging part 14c of the face plate 14, and the step part 1 of the hanger 16
6d is provided, and the upper end of this reinforcing plate 17 is connected to the stepped member 11.
At the same time, the face plate 14 is horizontally roofed on the base material 13 to form a large step between the face plates adjacent in the direction of the eave ridge, and an engagement provided at the ridge side edge of the face plate 14 on the eave side. Part 14
b is engaged with an engaging part 14d provided on the eave side edge of the ridge side face plate 14 via a hanging part 14c, and the hanger 16 fixed to the rafter 10 is engaged and held. A horizontal thatched roof. 2. The horizontal roof according to claim 1, wherein the step member is made of metal and has a large number of holes formed in the horizontal direction. 3. The horizontal roof according to claim 1, wherein the step members are short metal members arranged in a broken line shape with mutual intervals in the lateral direction. 4. The horizontal roof according to any one of claims 1 to 3, wherein the metal rafters are fixed on the support member via an inner base material laid on the support member. 5 The base material is held at the ridge side end by the base material receiver, and between the part where the rafters and face plates adjacent in the direction of the eave ridge are engaged by forming a large step, and the ridge side end. A horizontal roof according to any one of claims 1 to 4, wherein a gap is formed in the horizontal roof.