JPH09317089A - Galvanized iron plate structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To support a galvanized iron plate by forming a channel part of C-shaped section in engaging galvanized iron plates with each other, and forming an engagement projected part of T-shaped section to engage only the channel part of the galvanized iron plate lapped on the engagement projected part of the lower galvanized iron plate. SOLUTION: One end side along the longitudinal direction of a galvanized iron plate 12 is folded in C-shape to form a channel part 13 of C-shaped section on a bottom, the other end side is folded to form an engagement projected part 14 of T-shaped section formed on an upper surface. Then, the engagement projected part 14 of T-shaped section is formed on one end side where a strip galvanized iron plate is curved in U-shape, and the honeysuckle ornament 15 extended downward on the other end side is fixed to an eaves 4 by nails 6. The channel part 13 of C-shaped section of the galvanized sheet iron is engaged with and connected to the engagement projected part 14 of T-shaped section of the honeysuckle ornament 15, and a tip of the engagement projected part 14 is fixed to a sheathing roof board. An upper claw part of the second galvanized iron plate 12 is engaged with an upper projection of the engagement projected part 14 fixed downward and pressed down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a galvanized sheet metal structure for a roof having an improved structure of engaging portions.

[0002]

2. Description of the Related Art Generally, a tin roof is constructed as shown in FIG.
A tarpaulin 3 is laid on the base plate 2 of the roof 1, and the arabesque 5 in which one end of a belt-shaped galvanized U-shaped curve is extended downward is fixed to the eaves 4 with nails 6. 7 is a rectangular galvanized iron plate,
One end side along the longitudinal direction is curved to form a goby portion 9 having a J-shaped cross section, and the other end side along the longitudinal direction is bent to form an S-shaped cross-section portion 10. . A goby portion 9 having a J-shaped cross section of the galvanized iron plate 7 is engaged with the arabesque 5 fixed to the eaves tip 4 side, and then stacked on the base plate 2, and the tip of the S-shaped cross section 10 is fixed with a nail 6.

Next, another galvanized iron plate 7 is overlaid and the goby portion 9
Is engaged with the cross-section S-shaped portion 10 of the first galvanized iron plate 7 to make a seam joint, and then the tip of the cross-sectional S-shaped portion 10 is fixed onto the field board 2 with the nail 6. Similarly, while repeating the seam sewage, multiple galvanized iron plates 7 ... are sequentially roofed toward the ridge side.

In this conventional structure, an operator uses the galvanized sheet 7
Hold the goby 9 from below while holding it horizontally.
Since the nail plate is engaged with and nailed, the galvanized iron plate 7 cannot be kept horizontal during that time. Further, even if the galvanized iron plate 7 is fixed, the galvanized iron plate 7 will fall when the nail 6 is pulled out, so that at least two workers are required. In addition, when the long tin plate 7 having a length of 10 m or more was sequentially roofed on the roof 1 having a steep slope, there was a problem that slackness occurred and it could not be supported horizontally.

[0005]

DISCLOSURE OF THE INVENTION The present invention eliminates the above-mentioned drawbacks, does not sag even a long galvanized iron plate of 10 m or more, and can be installed by one person on a steeply sloping roof, greatly improving workability. (EN) Provided is a galvanized iron plate structure which has improved strength and is securely fixed to improve durability.

[0006]

According to the galvanized iron plate of the present invention, a rectangular galvanized galvanized iron plate is bent at one end side along the longitudinal direction to form a channel portion having a C-shaped cross section on the bottom surface side. Bend the other end along with to form an engaging protrusion with a T-shaped cross section on the upper surface, and engage the C-shaped channel portion of the galvanized iron plate, which is overlaid from above, with this engaging protrusion. The feature is that they are connected together.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIG.
This will be described in detail with reference to FIG. In the figure, 12 is a rectangular galvanized iron plate, and one end side along the longitudinal direction is double-folded into a C shape to form a channel portion 13 having a C-shaped cross section.
Is formed on the bottom side. The other end of the galvanized iron plate 12 along the longitudinal direction is double-folded to form an engaging protrusion 14 having a T-shaped cross section on the upper surface. The engaging protrusion 14 and the C-shaped channel portion are formed. No. 13 can be continuously bent by roll forming in multiple stages.

As for the galvanized iron plate 12 having the above structure, as shown in FIG. 2, the waterproof sheet 3 is laid on the base plate 2 of the roof 1. Next, a strip-shaped galvanized iron sheet has a section T on one end side which is curved in a U shape.
The arabesque 15 having the shaped engaging projection 14 formed and extending the other end downward is fixed to the eaves tip 4 with the nail 6. After this, tin plate 12
The channel portion 13 having the C-shaped cross section of
The engagement protrusions 14 having a shape are engaged and connected, and the tips of the engagement protrusions 14 of the galvanized iron plate 12 are fixed to the base plate 2 with nails 6.

Next, holding the second galvanized iron plate 12 in hand, the upper claw portion of the channel portion 13 having a C-shaped cross section as shown in FIG.
13a is engaged with the upper protrusion 14a of the engaging protrusion 14 having a T-shaped cross section fixed below, and the lower end of the channel portion 13 is pushed down as shown in FIG.
13b is an engaging protrusion 14 provided on the galvanized iron plate 12 fixed below.
By engaging with the lower protrusion 14b of the above, the channel portion 13 having a C-shaped cross section can be fitted to the engagement protrusion portion 14 having a T-shaped cross section to support the galvanized sheet 12. Next, the engaging protrusion
The attachment of the second galvanized iron plate 12 is completed by fixing the front of 14 to the base plate 2 with nails 6.

Similarly, galvanized iron plate fixed to the base plate 2
The engaging projections 14 having a T-shaped cross section 12 are sequentially engaged with the channel portions 13 having a C-shaped cross section of the galvanized iron plate 12, which are stacked on top of each other, and the furrowing is performed toward the ridge side. Therefore, after waiting for the galvanized iron plate 12, first, the upper claw portion 13a of the channel portion 13 is engaged with the upper protrusion 14a of the engaging protrusion portion 14 fixed below, so that the galvanized iron plate 12 is supported and falls. Never.
Therefore, even if the long galvanized iron plate 12 is installed on the roof 1 with a steep slope, it can be installed by one operator, the workability is greatly improved, and the construction period and the construction cost are reduced. Can be planned.

Further, in the galvanized iron plate 12 of the present invention, one galvanized iron plate is bent to form a channel portion 13 having a C-shaped cross section and an engaging projection portion 14 having a T-shaped cross section, which are reinforcing ribs. Strength is improved. The conventional galvanized iron plate 7 has a cross section S.
Although only the goby portion 9 is engaged with the shaped portion 10 from below, the present invention supports the two-point support by engaging the engaging projection portion 14 having the T-shaped section with the channel portion 13 having the C-shaped section from both sides. Since it does not shift up and down, the galvanized sheet 12 is fixed even if the nail 6 comes off, and it is also rainproof and has excellent durability.

[0012]

As described above, according to the galvanized iron plate structure according to the present invention, the channel portion having the C-shaped cross section is formed on the bottom surface, and the engaging projection portion having the T-shaped cross section is formed on the upper surface. Since it can be supported simply by engaging the channel portion of the galvanized iron plate that is overlaid on the engaging projection of the galvanized iron plate, a long galvanized iron plate can be mounted on a steeply sloping roof by one person, and workability is improved. It has various effects such as a great improvement and excellent durability because it has high strength and can be securely fixed.

[Brief description of drawings]

FIG. 1 is a perspective view of a galvanized iron plate according to an embodiment of the present invention.

2 is a sectional view showing a roof structure to which the galvanized iron plate shown in FIG. 1 is attached.

3 is a cross-sectional view showing a state in which a channel portion is engaged with an engagement protrusion portion of the galvanized iron plate shown in FIG.

FIG. 4 is a cross-sectional view showing a state in which the channel portion is completely engaged with the engagement projection portion of the galvanized sheet plate from the state shown in FIG.

FIG. 5 is a cross-sectional view showing a conventional tin roof structure.

[Description of sign]

 1 Roof 2 Field plate 3 Tarpaulin 4 Eaves 5 Arabesque 6 Nail 7 Galvanized plate 8 Goby part 9 Cross section S-shaped part 10 Galvanized plate 11 Channel part 12 Engagement protrusion 15 Arabesque

Claims (1)

[Claims] 1. A rectangular galvanized iron plate is bent at one end side along the longitudinal direction to form a channel portion having a C-shaped cross section on the bottom side and at the other end side along the longitudinal direction. An engaging protrusion having a T-shaped cross section is formed on the upper surface, and the C-shaped channel portion of the galvanized iron plate which is overlapped from above is engaged and connected to the engaging protrusion. Galvanized sheet structure.