JP2781956B2 - Internally-connected vertical roof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial application] There is a form of vertical roofing, in which the entire outer surface of the roof, including the joints of the roofing materials, is laid flat, where adjacent roofing materials are connected on the inner side of the roof. doing. The present invention relates to such an internally connected vertical roof, in which the connection structure of the roof material is improved.

[0002]

2. Description of the Related Art Japanese Patent Publication No. 3-222504 discloses a prior art of such a vertical roof. In this case, as shown in FIG. 8, a mounting frame 40 in the form of a channel material and a connection frame 41 made of a molded material are fastened and fixed on a roof base 44 with anchor bolts 42 and nuts 43, and the adjacent roof material 45 is fixed. The joints 46 are fastened to the connection frames 41 by blind rivets 47, respectively. Further, a cap 48 is press-fitted to the connection frame 41 to finish the outer surface of the connection portion flat. The mounting frame 40 also serves as a gutter, and is provided with an upwardly projecting fastening seat 49 on its inner bottom wall in order to prevent rainwater from entering from a fastening portion with the anchor bolt 42.

[0003] A similar roof structure is disclosed in Japanese Patent Laid-Open No. 6-136893.
It is also known in Japanese Patent Publication No. There, the connection structure is simplified as compared to the roof structure described above. As shown in FIG.
The gutter body 50 and the connection frame 41 fitted on the gutter body 50 are
Is provided in the center of the upper wall of the connection frame 41, and a joint portion 46 of the adjacent roofing material 45 is formed on a pair of engagement pieces 52 protruding from the opening edge of the groove 51. Hook and engage. Further, a joint frame 53 also serving as a seal member is press-fitted between the two joints 46 to prevent the joint 46 from coming off the engagement piece 52. The joint frame 53 is formed in a T-shape as a whole by a joint main body 54 made of a plastic molded product and a cover body 55 to be press-fitted to the joint main body 54. The connection frame 41 is formed of a non-strip-shaped frame body obtained by dividing a molded material of plastic or aluminum.

[0004]

In the above-mentioned conventional example, in the former roof structure, the connection frame 41 is fastened to the roof foundation 44 with the anchor bolts 42 and the nuts 43, and the roof material 45 is blind-riveted to the connection frame 41. Since the fastening is performed at 47, a roof structure having excellent negative pressure resistance is obtained.
On the other hand, it is unavoidable that the construction takes time. In this regard, in the latter roof structure, since the roof frame 45 is engaged with the connection frame 41 and then the joint frame 53 can be joined simply by press-fitting into the gap between the joints 46, the construction time is greatly reduced. it can. However, the joint body 5 which is a plastic molded product
In No. 4, creep deformation is apt to occur due to stress caused by long-term use, and it is difficult to guarantee negative pressure resistance for a long time.

In each case, the number of members constituting the connecting portion structure is large, the structure is complicated, and the cost required for manufacturing each member is high. In the former, the blind rivet 47 penetrates the connecting frame 41 up and down, and in the latter, since the connecting frame 41 is formed of a short frame, the mounting frame 40 or the gutter body 50 also serving as a gutter is provided at the inner bottom of the connecting portion. Therefore, rainwater that flows into the connecting portion flows down, but these members also contribute to complicating the structure of the connecting portion. Furthermore, since the rainwater that has entered the connecting portion is drained only through the mounting frame 40 or the gutter body 50, water may leak through the mounting frame 40 or the gutter body 50 due to rust or the like during long-term use, and the reliability is uneasy. Remains. Although it is not impossible to replace the mounting frame 40 and the gutter body 50, it is necessary to remove a wooden board, a heat insulating board, and the like, which requires much labor. In the latter conventional example, since the gutter body 50 is only held down by the connection frames 41 arranged at predetermined intervals, the gutter body 50 may move when a negative pressure acts on the roof.

SUMMARY OF THE INVENTION An object of the present invention is to provide a highly reliable internal connection type vertical roof that can easily roof a roofing material with a small amount of labor and can guarantee a negative pressure resistance for a long period of time. is there. An object of the present invention is to provide a roof that can be configured at a lower cost by simplifying the structure of the connecting portion. An object of the present invention is to provide a gutter function at a plurality of locations, and to prevent rainwater infiltration in multiple layers,
It is an object of the present invention to provide a vertical-roofed roof that is excellent in waterproofness during long-term use.

[0007]

According to the present invention, as shown in FIG. 1, an inner layer base material 2, an outer layer base material 4, and a roof material 5 covering the outer surface of the outer layer base material 4 are provided. The joints 8 provided at the left and right ends are respectively engaged with the connecting frame 11 in the form of a strip fixed to the purlin or the beam via the inner layer base material 2, and the joint frames 19 are provided between the adjacent joints 8. Is a vertical-roofing roof of an internal connection type in which a press-fit engagement is performed.

In FIG. 3, the connection frame 11 is formed by
The bottom wall 13a supported by the bottom wall 13 and a pair of upright walls 13b rising from the left and right ends of the bottom wall 13a, the gutter portion 13 opening upward, and the inner base material 2 provided on the left and right sides of the gutter portion 13 A fastening seat 12a fastened and fixed to the base material 1 by screws 15; A locking portion 14 is provided on an upper part of the both walls 13b of the gutter portion 13 so as to protrude left and right. Joining portions 8 elastically engaged with locking portions 14 at the left and right ends of main surface wall 6 of roofing material 5.
And a gutter body portion 9 whose upper surface side is open, and a locking piece 10 which is inclined downward at the free end opening edge of the gutter body portion 9. The joint frame 19 includes an upper wall 22 covering the outer surface of the joint 8 of the adjacent roofing material 5, and a pair of leg pieces protruding from the inner surface of the upper wall 22 and being press-fitted to the adjacent locking pieces 10. 20. Specifically, in the connecting frame 11, the upright wall 13b and the locking portion 14 of the gutter portion 13 are formed by bending a face wall continuous to the bottom wall 13a into an inner and an outer double, respectively.
A fastening seat 12a continuous with the lower end of the outer wall of the standing wall 13b;
The auxiliary gutter portion 12 is formed on the left and right outer sides of the gutter portion 13 with the side wall 12b rising from the outer end of the fastening seat 12a.

[0009]

In the roofing material 5, one of the left and right joints 8 is connected to the connecting frame
After being hooked on one locking portion 14, the other joining portion 8 is elastically engaged with another locking portion 14 of the connection frame 11 and attached. Then, as shown in FIG. 2, a joint frame 19 is placed from above on the joints 8 adjacent to each other, and each leg 20 is engaged with the locking piece 10.
Press fit.

A roof frame 5 is provided on a connecting frame 11 functioning as a gutter body.
Are pressed into engagement, and the joint frame 1 is
9 is press-fitted and the roofing material 5 is roofed.
Aside from this, the connecting frame 11 and the joint frame 19 are used as connecting members.
Only need to be provided. Since the gutter body part 9 is provided below the joint part 8 of the roofing material 5 separately from the gutter part 13 provided in the connection frame 11, the rainwater that enters from between the joint frame 19 and the joint part 8 is
First, it can flow down in the gutter body 9. Even if the gutter body 9 is corroded by rust or the like, rainwater dripping from the gutter body 9 can flow down in the gutter part 13 on the connection frame 11 side. The gutter part 13 is the gutter body part 9
It is also useful for draining rainwater that overflows the river's flow capacity. The joining portion 8 of the roofing material 5 is press-fitted and engaged with the locking portion 14 and the locking piece 10 is further engaged and fixed by the joint frame 19, so that the joining state is prevented against the negative pressure acting on the roofing material 5. It can be reliably maintained.

[0011]

According to the present invention, after the connecting frame 11 is fastened to the base material 1 such as a purlin or a beam via the inner layer base material 2,
The joint 8 of each roofing material 5 is press-fitted to each locking portion 14 of the connection frame 11, and then the joint frame 19 is press-fitted to the locking piece 10 provided at each joining portion 8 of the adjacent roofing material 5. Since the roof can be roofed by the engagement, the labor required for construction can be reduced as compared with the conventional example. The joint portion 8 is elastically engaged with the locking portion 14, and the leg piece 20 of the joint frame 19 is further elastically engaged with the locking piece 10, and these elastic engaging portions are provided over the entire length of the roofing material 5 in the longitudinal direction. Therefore, sufficient negative pressure resistance can be demonstrated,
The connection strength can be maintained for a long time.

Since the connecting frame 11 is provided with the gutter portion 13 and the outer surface of the connecting portion is flatly covered with the joint frame 19 made of a single member, the structure of the connecting portion can be simplified, and the cost required for manufacturing can be reduced accordingly. Thus, it is possible to provide a lower-cost, vertically connected roof of an interconnected type. The gutter body 9 is also provided on the roof material 5 side separately from the gutter 13 of the connection frame 11 to block the infiltration path of rainwater many times, so that the waterproof function can be strengthened and the long-term use is possible. Even if water is generated in the gutter body portion 9 due to rust or the like, the water is caused to flow to the gutter portion 13 on the connection frame 11 side, so that rainwater can reliably be prevented from leaking to the roof base material side.

[0013]

1 to 4 show an embodiment of a thatched roof according to the present invention. 2, reference numeral 1 denotes a base material such as a purlin or beam made of C-shaped steel, 2 denotes an inner layer base material fixed to the outer surface of the base material 1, 3 denotes a waterproof sheet such as asphalt roofing, roofing felt or a rubber sheet, Is an outer layer base material fixed to the outer surface of the waterproof sheet 3. The inner layer base material 2 is also formed of a wooden board or a field board serving also as a ceiling wall, and is fastened and fixed to the base material 1 with screws or the like.
The outer layer base material 4 is made of a wood wool board, a plywood, or a hard heat insulating board, is disposed on the upper surface of the inner layer base material 2 via asphalt roofing, and is fixed and fixed as necessary with screws or the like. The inner surface of the vertically-roofed roofing material 5 is supported by the outer layer base material 4.

The roofing material 5 is formed by roll-forming a coiled coated steel sheet having a predetermined width, and has a foam insulation layer 1 on its inner surface.
Backing 7 More specifically, as shown in FIG.
Is formed shallowly, an L-shaped joint 8 is projected downward continuously from the outer end of the paragraph 7, and a gutter body 9 is formed continuously from the lower end of the joint 8. As shown in FIG. 4, the main surface wall 6 is bent into a continuous chevron shape to improve its bending strength.

As shown in FIGS. 2 and 3, the gutter body 9 has an inclined wall 9a continuous below the joint 8 and a flat bottom wall 9a.
b and the vertical free end wall 9c are formed in an inverted trapezoidal shape, most of which protrude outward from the joint 8 and have an upper surface opening in a U-shape. This is because rainwater entering along the joint 8 is reliably received by the gutter body 9. The inclined wall 9 a acts as a guide wall that expands and deforms the joint portion 8 prior to the locking portion 14 when the joint portion 8 is press-fitted to the connection frame 11. At the upper end of the free end wall 9c of the gutter body 9, a locking piece 10 which is inclined downward toward the joint 8 is integrally bent and formed.

In order to roof the roofing material 5, a connection frame 11 is arranged on the inner layer base material 2 exposed between the outer layer base materials 4 left and right. The connection frame 11 is formed by roll forming a metal plate equivalent to the roof material 5, and the left and right auxiliary gutters 1 are formed.
It is made of a long material in which a gutter portion 13 is provided between the two, and a locking portion 14 is provided at each opening edge of the gutter portion 13.

That is, the gutter portion 13 has a flat bottom wall 13a.
And a pair of left and right standing walls 13b rising from the left and right ends of the bottom wall 13a to form a U-shaped cross section that opens upward, and a locking portion 14 that slopes down and protrudes from the upper end of each standing wall 13b in a left-right facing manner. It is. The standing wall 13b and the locking portion 14 are folded back at the protruding end of the locking portion 14 to form an inner and outer double. The auxiliary gutter section 12 is formed in a U-shaped gutter-like cross section by each upright wall 13b, a flat fastening seat 12a continuous with the lower end of the outer wall thereof, and a side wall 12b rising from the outer end of the fastening seat 12a. The connection frame 11 is fixed to the purlin 1 (or the beam) via the inner layer base material 2 by fastening the fastening seat 12 a with a screw 15 such as a tapping screw or a self-drilling screw. 1
Reference numeral 6 denotes a sealing material for sealing the fastening holes. Each of the left and right side walls 12b rises vertically from the fastening seat 12a, and its upper end is bent inward to reinforce the wall surface. The connecting frame 11 may be formed of an extruded aluminum material, a synthetic resin material, or the like.

When the roof material 5 is engaged and connected to the connection frame 11, the width of the bottom wall 13 a of the connection frame 11 is greater than the horizontal distance between the adjacent joints 8, and the free end wall of the adjacent gutter body 9 is provided. 9c abut each other back-to-back or face each other with a slight gap, and a pair of locking pieces 10 are adjacent to each other in a chevron.

A joint frame 19 is provided to maintain and strengthen the engagement state of the joint portion 8 with the locking portion 14 and to close and flatten an adjacent gap between the adjacent roofing materials 5. As shown in FIG. 3, the joint frame 19 includes a pair of left and right leg-shaped legs 20 elastically engaged with the adjacent locking pieces 10 from the outer surface side, and each leg 20
It is made of a long material that is formed by integrally bending a seal wall 21 continuously projecting outward from the leg piece 20 to the upper end and a flat upper wall 22 to which the left and right seal walls 21 are tightly joined. And the same material as the roof material 5.

A guide wall 23 is formed at the lower ends of the two leg pieces 20 and bends downward and bends in a tapered shape. As shown in FIG. 20 helps elastically deform away. Between the sealing wall 21 and the paragraph section 7, an elastic band-shaped sealing body 24 is disposed. One side of the seal body 24 is bonded and fixed to one of the paragraph section 7 and the seal wall 21 in advance.

At the time of construction, the connecting frame 11 is arranged along the eaves ridge direction on the outer surface of the inner layer base material 2 on which the waterproof sheet 3 is laid, and the right and left fastening seats 12a are screwed at predetermined intervals with the inner layer base material 2. Through to purlin 1. At this time, the outer layer base material 4 may be fastened and fixed to the inner layer base material 2 prior to the connection frame 11, or may be rear-assembled with the connection frame 11 fastened using the side wall 12 b as a positioning reference. Good.

Next, one joining portion 8 of the roofing material 5 is hooked and engaged with the engaging portion 14 of the connecting frame 11, and the other joining portion 8 is engaged.
Is pushed into another engaging portion 14 of the connecting frame 11 to
Is elastically engaged with the locking portion 14, and the adjacent roofing material 5 is temporarily attached to the pair of connection frames 11. In this engaged state, the inner surface of the foamed heat insulating layer 17 is tightly supported by the outer layer base material 4. Similarly, after a group of the roofing materials 5 is press-fitted to the connection frame 11, the joint frame 19 is press-fitted between the adjacent joints 8 from above, and the bent wall portions of the leg pieces 20 are fixed to the locking pieces 10. , And the gap between the adjacent paragraphs 7 is covered with the upper wall 22. In this way, the roofing material 5 and the joint frame 19 can be easily roofed by simply press-fitting.

By mounting the joint frame 19, the roofing material 5 is engaged and fixed at two positions of the joining portion 8 and the locking piece 10 as shown in FIG. Moreover, each of the joint portion 8, the leg piece 20, the locking portion 14, and the locking piece 10 is deformed within the elastic deformation range, and the elastic force does not change due to aging. Continue to maintain. Therefore, even if a large negative pressure acts on the roofing material 5, the joint portion 8 does not come off from the locking portion 14, and exhibits a sufficient negative pressure resistance for a long period of time.

Due to abnormal weather such as rainfall accompanied by strong wind, deterioration of the seal body 24 due to long-term use, etc., rainwater may enter the connection between the adjacent roofing materials 5. As described above, there is no way to remove rainwater that has entered the inside of the connecting portion except by draining it from the eaves, and for that purpose, the gutter body portion 9 is provided continuously below the joining portion 8. In most cases, the rainwater that has entered the connection portion can be drained only by the gutter body portion 9. However, if rainwater inflow exceeds the flow capacity of the gutter body portion 9, the rainwater between the adjacent free end walls 9 c can be removed. From the gutter body 9
Overflowing outside. Further, even when a corrosion hole is formed in a part of the gutter body part 9, a part of the rainwater may leak out of the gutter body part 9 therefrom. Even in such a case, since the rainwater can be received by the gutter portion 13 provided in the connection frame 11 and drained to the eaves side, drainage to the roof inner surface can be reliably prevented for a long time. There is no possibility that rainwater may further enter the auxiliary gutters 12 on the left and right sides of the gutter 13 due to corrosion of the roofing material 5 and the joint 8. Also in this case, the auxiliary gutter 1
Since the gutter 2 is formed in a gutter shape, rainwater can be drained along the auxiliary gutter portion 12. A sealing material 16 is fastened and fixed to the fastening surface of the screw 15 in order to prevent infiltration of rainwater flowing through the auxiliary gutter 12.

FIG. 5 shows another embodiment of the connection frame 11. There, the connecting frame 11 is formed from an aluminum profile and the gutter 1
The locking portions 14 are provided so as to protrude from the upper left and right walls 13b of the third member 3 near the upper end thereof.

FIG. 6 shows another embodiment of the engagement structure between the roofing material 5 and the joint frame 19. In this case, the free edge of the free end of the gutter body portion 9 is bent outwardly, contrary to the above embodiment, so that the locking piece 1 is formed.
0 was formed. Further, the lower ends of the pair of leg pieces 20 are folded back in an arrowhead shape to form a latching edge 20a, which is
, And the joint frame 19 was prevented from falling off and fixed. In the state where the roof material 5 is connected, a gap is provided between the bottom wall 9b of the gutter body 9 and the bottom wall 13a of the gutter 13 to facilitate the engagement operation of the joint 8 with the locking portion 14.

The locking portion 14 can be formed in a hollow frame shape along the inner surface of the bonding portion 8 as shown in FIG. 7 in addition to the inner and outer double bent bonding walls. It may be formed in a shape. In FIGS. 5 to 7,
Members equivalent to those in the previous embodiment are denoted by the same reference numerals, and description thereof is omitted.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional front view schematically showing a connecting portion of a roofing material.

FIG. 2 is a longitudinal sectional front view showing a connection part structure of a roofing material.

FIG. 3 is a longitudinal sectional front view showing a state where a connecting member is separated.

FIG. 4A is a sectional view of a roofing material, and FIG. 4B is a plan view thereof.

FIG. 5 is a sectional view showing another embodiment of the connection frame.

FIG. 6 is a longitudinal sectional front view showing another embodiment of the connecting portion structure of the roofing material.

FIG. 7 is a longitudinal sectional front view showing another embodiment of the connecting portion structure of the roofing material.

FIG. 8 is a longitudinal sectional front view showing a connection part structure of a roof material of a conventional example.

FIG. 9 is a longitudinal sectional front view showing a connection part structure of still another roofing material of a conventional example.

[Explanation of symbols]

 2 inner layer base material 4 outer layer base material 5 roof material 7 paragraph section 8 joining section 9 gutter body section 10 locking piece 11 connecting frame 12a fastening seat 13 gutter section 13a bottom wall 13b standing wall 14 locking section 15 screw 19 joint frame 20 legs Piece 22 upper wall

Claims (2)

(57) [Claims] An inner layer base material, an outer layer base material, and a roofing material covering an outer surface of the outer layer base material, and joining portions provided on both right and left ends of the roof material are formed by an inner layer base material. 2, each of which is latched and engaged with a strip-shaped connection frame 11 fixed to a purlin or a beam, and a joint frame 19 is press-fitted between adjacent joints 8 so as to be internally connected. The connecting frame 11 has a bottom wall 13 a supported by the inner layer base material 2.
And a pair of standing walls 13 rising from the left and right ends of the bottom wall 13a.
b, a gutter portion 13 opening upward and formed by
And a fastening seat 12a which is provided on the left and right sides of the base material 1 and is fixedly fastened to the base material 1 via the inner base material 2 with screws 15; A joining portion 8 which elastically engages with the locking portion 14, a gutter body 9 having an open upper surface, and a free end of the gutter body 9 at left and right ends of the main surface wall 6 of the roofing material 5. A locking piece 10 that is inclined downward at the opening edge is formed, and a joint frame 19 is provided on the upper wall 22 that covers the outer surface of the joint 8 of the adjacent roofing material 5 and protrudes from the inner surface of the upper wall 22. An internally connected vertical-roofed roof comprising a pair of leg pieces 20 that are press-fitted to adjacent locking pieces 10. 2. In the connecting frame 11, the upright wall 1 of the gutter portion 13 is provided.
3b and the locking portion 14 are formed by bending a surface wall continuous to the bottom wall 13a into an inner and an outer portion, respectively. The upright wall 13b, the fastening seat 12a continuous to the lower end of the outer wall of the upstanding wall 13b, and the fastening seat 12a Side wall 1 rising from outside edge
2. The internally connected vertical-roofed roof according to claim 1, wherein the auxiliary gutters 12 are formed on the left and right outer sides of the gutters 13 and 2b.