JPH08120840A - Internal connection type vertically roofed roof - Google Patents

Abstract

PURPOSE: To connect roof materials mutually, simply and firmly. CONSTITUTION: Joining sections 8 at the ends of roof materials 5 are connected mutually by the two members of a connecting frame 11 and a joint frame 19. Gutter sections 13 are formed integrally to the connecting frame 11, and engaging sections 14 are formed at both opening edges of the gutter sections 13. The joining sections 8 are engaged elastically with the engaging sections 14. The joint frame 19 is formed of a pair of left and right leg pieces 20 and a flat upper wall 22 mutually bonding the leg pieces 20. Gutter sections 24 and retaining sections 25 are shaped to the lower sections of the leg pieces 20. The retaining sections 25 are retained elastically at the stepped sections of the external surfaces of the joining sections 8. Gutter sections 9 receiving the undersides of the gutter sections 24 are formed while being continued at the lower ends of each joining section 8. The undersides of the gutter sections 9 are received by the gutter sections 13 formed to the connecting frame 11, thus further reinforcing a waterproof function.

Description

Detailed Description of the Invention

[0001]

[Industrial application] In a vertically-roofed roof, there is a form in which the entire outer surface of the roof, including the joints between the roof materials, is flatly raised, in which adjacent roof materials are connected on the inner surface side of the roof. are doing. The present invention relates to such an internal connecting type thatched roof, and is an improvement in the connecting structure of the roof material.

[0002]

2. Description of the Related Art Japanese Patent Publication No. 3-22504 discloses a conventional technique for this kind of vertical roof. There, as shown in FIG. 6, a channel-shaped mounting frame 40 and a connecting frame 41 made of a molded shape are fastened and fixed on a roof base 44 by anchor bolts 42 and nuts 43, and adjacent roof members 45 are fixed. The joint portions 46 are fastened to the connecting frames 41 with blind rivets 47, respectively. Further, the cap 48 is press-fitted onto the connecting frame 41 to finish the outer surface of the connecting portion flat. The mounting frame 40 also serves as a gutter, and an upper projecting fastening seat 49 is provided on the inner bottom wall thereof in order to prevent rainwater from entering the fastening portion with the anchor bolt 42.

A similar roof structure is disclosed in Japanese Patent Laid-Open No. 6-136893.
It is also known in Japanese Patent Publication. There, the connection structure is simplified compared to the roof structure described above. As shown in FIG.
The gutter body 50 and the connecting frame 41 fitted on the gutter body 50 are attached to the roof base 44.
A groove 51 that opens upward in the center of the upper wall of the connecting frame 41, and the pair of engaging pieces 52 projecting from the opening edge of the groove 51, the joint portion 46 of the adjacent roofing material 45, respectively. Hook and engage. Further, a joint frame 53 that also serves as a seal body is press-fitted between both joint portions 46 to prevent the joint portion 46 from being disengaged from the engagement piece 52. The joint frame 53 includes a joint main body 54 made of a plastic molded product and a cover body 55 press-fitted to the joint main body 54, and is formed in a T shape as a whole. The connecting frame 41 is made of a non-striped frame body obtained by dividing a molded profile of plastic or aluminum.

[0004]

In the above-mentioned conventional example, in the former roof structure, the connecting frame 41 is fastened to the roof underlayer 44 by the anchor bolts 42 and the nuts 43, and the roofing material 45 is connected to the connecting frame 41 by the blind rivet. Since it is fastened at 47, a roof structure excellent in negative pressure strength can be obtained.
On the other hand, it is inevitable that construction will take time. In this respect, in the latter roof structure, the roof material 45 is engaged with the connecting frame 41, and then the joint frame 53 can be joined only by being press-fitted in the gap between the joint portions 46, so that the labor of construction can be greatly reduced. it can. However, the joint body 5 which is a plastic molded product
In No. 4, creep deformation easily occurs due to stress associated with long-term use, and it is difficult to ensure negative pressure resistance strength for a long time.

In either 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 case, the blind rivet 47 vertically penetrates the connecting frame 41, and in the latter case, the connecting frame 41 is formed of a short frame body. Therefore, the mounting frame 40 also serving as a gutter or the gutter body 50 is provided on the inner bottom of the connecting portion. As a result, rainwater that infiltrates the connecting portion flows down, but these members also contribute to the complicated structure of the connecting portion. Furthermore, since rainwater that has entered the connecting portion is drained only by 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. Remains. Although it is not impossible to replace the mounting frame 40 and the gutter body 50, it is necessary to remove the wood wool board, the heat insulating board, and the like, which requires a lot of trouble. In the latter conventional example, since the gutters 50 are only held by the connecting frames 41 arranged at predetermined intervals, the gutters 50 may move when negative pressure is applied to the roof.

[0006] An object of the present invention is to provide a highly reliable interior connecting type thatch roof which can easily raise a roofing material with a small amount of labor and can guarantee negative pressure resistance strength for a long period of time. is there. An object of the present invention is to provide a vertically-roofed roof that can be constructed 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 places, which can prevent rainwater from invading in multiple layers,
It is to provide a vertical thatched roof with excellent waterproof properties for long-term use.

[0007]

As shown in FIG. 1, the present invention has an inner layer base material 2, an outer layer base material 4, and a roof material 5 that covers the outer surface of the outer layer base material 4. The joint portions 8 provided at the left and right ends are hooked and engaged with the strip-shaped connecting frames 11 fixed to the purlin or the beam via the inner layer base material 2, respectively, and the joint frame 19 is provided between the adjacent joint portions 8. Is intended for an internally connected vertical thatched roof in which is press-fitted.

In FIG. 3, the connecting frame 11 is an inner layer base material 2
The bottom wall 13a supported by the bottom wall 13a and the pair of standing walls 13b rising from the left and right ends of the bottom wall 13a, and the upwardly opening gutter portion 13, and the inner layer base material 2 provided on the left and right sides of the gutter portion 13 The base material 1 has a fastening seat 12 which is fastened and fixed with a screw 16. A locking portion 14 is provided on the upper portion of the compatibility wall 13b of the trough portion 13 so as to be opposed to each other in the left-right direction. Joining portions 8 that elastically engage the locking portions 14 at the left and right ends of the main surface wall 6 of the roof material 5.
And the gutter portion 9 having an opening on the upper surface side are continuously bent and formed. The joint frame 19 is made of a strip material having an upper wall 22 that covers the outer surface of the joint portion 8 of the adjacent roof material 5 and a pair of left and right leg pieces 20 that project from the inner surface of the upper wall 22. A gutter portion 24 is provided at the lower portion of each of the leg pieces 20, and a hooking portion 25 that elastically engages with the outer surface step of the joint portion 8 is provided at the free end opening edge of each gutter portion 24.

In addition to the above-described connecting structure, a locking portion 15 having a pair of left and right step portions is provided upright at approximately the center of the bottom wall 13a of the gutter portion 13 in the connecting frame 11, and the adjacent gutter portions 9 are At each of the free end opening edges, a hooking portion 10 that is in abutting engagement with the locking portion 15 is formed by bending.

[0010]

The roof material 5 has one of the left and right joints 8 connected to the connecting frame 1.
After being hooked on one locking portion 14, the other joint portion 8 is elastically engaged with another locking portion 14 of the connecting frame 11 and attached. Then, as shown in FIG. 2, the joint frame 19 is put between the adjacent joint portions 8 from above, and the hook portions 25 provided on the leg pieces 20 are elastically engaged with the joint portions 8. As described above, according to the roof connecting structure in which the roof material 5 and the joint frame 19 are elastically engaged in order, apart from the roof material 5, the connecting frame 11 serves as a connecting member.
Only the joint frame 19 is required. Joining part 8 of roofing material 5
Is elastically engaged with the locking portion 14 of the connecting frame 11, and further the engaging portion 25 of the joint frame 19 is elastically engaged with the outer surface step of the joining portion 8. Especially, sufficient negative pressure resistance can be secured. Rainwater that enters from between the joint frame 19 and the roof material 5 can flow down in the gutter portion 24 provided in the joint frame 19. Rainwater that leaks or overflows from the gutter 24 can flow down in the gutter 9 formed continuously with the joint 8. Further, the rainwater leaking or overflowing from the gutter 9 can flow down in the gutter 13 of the connecting frame 11. That is,
It is possible to reliably prevent rainwater from entering the inner surface of the roof by the gutters 24, 9 and 13 arranged in the inner and outer layers.

According to the roof connecting structure in which the locking portion 15 is provided on the trough portion 13 and the hooking portion 10 of the free end opening edge of the trough portion 9 of the roof material 5 is elastically engaged with this, the roof material 5 is connected. The attachment strength to the frame 11 can be further enhanced to improve the negative pressure resistance strength.

[0012]

According to the present invention, after the connecting frame 11 is fastened to the base material 1 such as a purlin or a beam through the inner layer base material 2,
The joint portion 8 of each roofing material 5 is press-fitted to each locking portion 14 of the connecting frame 11, and then the joint frame 19 is press-fitted to each jointing portion 8 of the adjacent roofing material 5 to form the roof. Since it can be roofed, the labor required for construction can be reduced compared to the conventional example. The connecting frame 11 and the joint frame 19 are each made of a strip material, and since each of the elastic engaging portions is formed over the entire length in the longitudinal direction of the roof material 5, sufficient negative pressure resistance strength can be exerted, and the connecting strength can be maintained for a long time. Can be maintained over.

Since the gutter portion 13 is provided on the connecting frame 11 and the outer surface of the connecting portion is flatly covered with the joint frame 19 made of a single member, the connecting portion structure can be simplified and the manufacturing cost can be reduced accordingly. , Can provide a lower cost interconnected vertical thatched roof. In addition to the gutter portion 13 of the connection frame 11, the roof material 5 and the joint frame 19 are provided with gutter portions 9 and 24 respectively to cut off the rainwater intrusion route in multiple layers, so that the waterproof function can be enhanced. The gutter 24 due to rust etc. during long-term use
Even if water leaks, the rainwater can be surely prevented from leaking to the side of the roof base material by flowing it into the troughs 9 and 13.

[0014]

1 to 4 show an embodiment of a vertical roof according to the present invention. In FIG. 2, reference numeral 1 is a base material such as a C-shaped steel purlin, 2 is an inner base material fixed to the outer surface of the base material 1, 3 is a waterproof sheet such as asphalt roofing, roofing felt or rubber sheet, and 4 is waterproof. An outer layer base material fixed to the outer surface of the sheet 3. The inner layer base material 2 is formed of a wood wool board or a ground board 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 wood wool board, plywood, or a hard heat insulating plate such as Styrofoam, is arranged on the upper surface of the inner layer base material 2 via asphalt roofing, and is fastened and fixed with screws or the like as necessary. This outer layer base material 4 is used as a roof material 5
Support the inner surface of.

The roof material 5 is formed by roll-forming a coil-shaped coated steel sheet having a predetermined width. The inner surface may be lined with a foam insulation layer. Specifically, as shown in FIG. 3, a paragraph 7 is shallowly formed at the left and right ends of a flat main surface wall 6 having a predetermined width on the left and right, and an L-shaped joint is continuously formed at the outer end of the paragraph 7. The portion 8 is provided so as to project downward, and further, a gutter portion 9 is formed continuously at the lower end of the joint portion 8 and a hook portion 10 is formed at the free end edge thereof. As shown in FIG. 4, the principal surface wall 6 is bent in a continuous chevron shape to improve its bending strength.

As shown in FIG. 3, the trough portion 9 is formed in an inverted trapezoidal shape by an inclined wall 9a continuous below the joint portion 8, a flat bottom wall 9b, and a vertical free end wall 9c. , Most of them project outward from the joint portion 8, and the upper surface side is open. The inclined wall 9a acts as a guide wall that expands and deforms the joint portion 8 in advance of the locking portion 14 when the joint portion 8 is press-fitted to the connecting frame 11. On the upper end of the free end wall 9c of the trough portion 9, a hooking portion 1 that elastically engages with a locking portion 15 described later.
0 is bent to have a V-shaped cross section, and the receiving wall 28 is horizontally projected from the upper end toward the joint portion 8.

To raise the roofing material 5, a connecting frame 11 is arranged on the inner layer base material 2 exposed between the left and right outer layer base materials 4, 4. The connection frame 11 is formed by roll-forming a metal plate equivalent to the roof material 5, and has fastening seats 12 provided on both left and right sides of the gutter 13 and locking portions 14 provided at each opening edge of the gutter 13. Made of long material.

That is, the trough portion 13 has a flat bottom wall 13a.
And a pair of left and right standing walls 13b standing up from the left and right ends of the bottom wall 13a are formed in a U-shaped cross section that opens upward, and the locking portions 14 that are inclined downward are projected from the upper end of each standing wall 13b so as to be opposed to each other. . Further, an arrowhead-shaped locking portion 15 having a pair of steps is formed in the center of the bottom wall 13a so as to project. Standing wall 13
The b and the locking portion 14 are folded back at the projecting end of the locking portion 14 to form an inner and outer double layer. The fastening seat 12 is bent at a right angle continuously from the lower end of the outer wall of the standing wall 13b. The fastening seat 12 is a screw 1 such as a tapping screw or a self-drilling screw.
By fastening at 6, the connecting frame 11 is fixed to the base material 1 through the inner layer base material 2 (see FIG. 2). Reference numeral 17 denotes a sealing material for sealing the fastening holes, which is formed by punching a rubber sheet or a felt sheet into a flat washer shape.

A joint frame 19 is provided to strengthen the engagement state of the joint portion 8 with the locking portion 14 and to close and flatten the adjacent gap between the adjacent roof members 5. The joint frame 19 is shown in FIG.
As shown in FIG. 5, an upper wall 22 that covers the outer surface of the joint portion 8 of the adjacent roofing material 5, a seal wall 21 that is folded back to the inner surfaces on both sides of the upper wall 22, and a pair of left and right legs that protrude from the central lower surface of the seal wall 21. It is made of a long material in which the piece 20 is integrally bent and formed, and is made of the same material as the roof material 5. A lateral wall 23 facing the upper surface of the receiving wall 28 and an inverted trapezoidal gutter portion 24 are continuously formed in the lower part of the two leg pieces 20, and the free end opening edge of the gutter portion 24 is used as a hook portion 25. The hook portion 25 elastically engages with a step portion on the outer surface of the joint portion 8. Paragraph 7 in FIG.
The members provided between the seal wall 21 and the seal wall 21 and between the receiving wall 28 and the lateral wall 23 are seal tapes 26. One side of the seal tape 26 is preliminarily adhered and fixed to one of the paragraph portion 7 and the seal wall 21 and one of the receiving wall 28 and the lateral wall 23.

At the time of construction, the connecting frame 11 is arranged on the outer surface of the inner layer base material 2 on which the waterproof sheet 3 is laid, along the eaves ridge direction, and the left and right fastening seats 12 are screwed at predetermined intervals to the inner layer base material 2. To the main building 1 through. At this time, the outer layer base material 4 may be fastened and fixed to the inner layer base material 2 before the connecting frame 11, or may be fixed after the connecting frame 11 is fastened.

Next, one hooking portion 10 of the roofing material 5 is inserted into the lower neck portion of the locking portion 15 of the connecting frame 11, and the joint portion 8 is hooked and engaged with the locking portion 14 of the connecting frame 11. , Hook 1
0 and the joint portion 8 are press-fitted and engaged between the locking portions 14 and 15. Similarly, the other joint 8 and the hook 10 are connected to the connecting frame 1
The roof members 5 adjacent to each other are attached to the pair of connecting frames 11 by being pushed into the locking portions 14 and 15 of the first and elastically engaged with each other.
In this engaged state, the inner surface of the roof material 5 is the outer layer base material 4
Is closely supported by. Similarly, after a group of roofing materials 5 is press-fitted and mounted on the connecting frame 11, the joint frame 19 is press-fitted and mounted between the adjacent joint portions 8 from above, and the hook portions 25 of the leg pieces 20 thereof are attached.
Is elastically wrapped around and engaged with the joint portion 8, and the gap between the adjacent paragraph portions 7 is covered with the upper wall 22. In this way, the roof member 5 and the joint frame 19 can be easily raised by simply press fitting.

By mounting the joint frame 19 as described above,
The roof member 5 is engaged and fixed at two points of the joint portion 8 and the latch portion 10, and the latch portion 25 is engaged with the lower surface of the step portion of the joint portion 8. Moreover, each of the joint portion 8 and the hook portions 10 and 25 is
It has been deformed within the elastic deformation range, the elastic force does not change due to aging, and a sufficient engagement force is maintained. Therefore, even if a large negative pressure acts on the roof material 5, the joint portion 8 does not disengage from the locking portion 14, and sufficient negative pressure resistance strength is exhibited for a long period of time. The horizontal wall 23 and the vertical gutter wall of the gutter portion 24 continuous with the horizontal wall 23 also serve to prevent the hanging portion 10 from moving laterally.

Rainwater may infiltrate into the connecting portion between the adjacent roofing materials 5 due to abnormal weather such as rainfall accompanied by strong wind or deterioration of the seal body 26 due to long-term use. As described above, there is no way to remove the rainwater that has entered the inside of the connecting portion other than draining it from the eaves, and therefore, the trough portions 24, 9 and 13 are multiply provided inside the joint portion 8. In many cases, rainwater that has infiltrated into the connecting portion can be discharged only by the trough portion 24. However, if rainwater has infiltrated beyond the flow capacity of the trough portion 24, it is connected to the joint portion 8. 9
You can catch it. Further, the rainwater overflowing from the gutter portion 9 can be received by the gutter portion 13 of the connecting frame 11 and drained down to the eaves. Even when the troughs 24 and 9 are corroded, water can be drained in the same manner, so that water leakage to the inner surface of the roof can be reliably prevented for a long period of time.

FIG. 5 shows another embodiment of the structure for connecting the roof members 5. In FIG. 5A, the locking portion 14 of the connecting frame 11 is formed in a hollow frame shape. Further, the free end opening edge of the gutter portion 24 of the joint frame 19 was bent outward to form the hook portion 25.
The trough 24 was formed by a partial arc wall. The bottom wall 9b of the trough portion 9 continuous with the joining portion 8 is located above the upper surface of the bottom wall 13a of the connecting frame 11. In FIG. 5 (b), a step portion 8 a is provided on the upper inclined wall of the joint portion 8 so as to project outward, and the latching portion 2 which is externally engaged with the joint portion 8.
The upper part of the upper surface of 5 is covered with the step portion 8a. FIG. 5 (a)
Since the other structure of (b) is the same as the above embodiment,
The same parts are designated by the same reference numerals and the description thereof will be omitted.

FIG. 6 shows another embodiment of the connecting frame 11. Figure 6
In (a), the entire connecting frame 11 is formed of an aluminum shape member, and the locking portion 14 is provided so as to protrude toward the upper end of the standing wall 13b of the trough portion 13. The locking portion 15 is formed in a hollow frame shape. Figure 6 (b)
The connecting frame 11 is also made of an aluminum profile as in FIG. 6A, and the engaging portion 14 is provided at the upper end of the standing wall 13b. The locking portion 15 was formed in a trapezoidal shape, and the lower half portion thereof was formed in a hollow frame shape.

The hooking portion 10 in the above embodiment and
The engaging portion 15 that is the engagement partner is not always necessary and can be omitted. The locking portion 15 does not have to have an arrowhead shape, and may include only a pair of left and right step portions with which the latching portion 10 elastically engages.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view schematically showing a connecting portion of a roof material.

FIG. 2 is a vertical sectional front view showing a structure of a connecting portion of a roof material.

FIG. 3 is a vertical sectional front view showing a state in which a connecting member is separated.

FIG. 4 (a) is a cross-sectional view of the roofing material, and FIG. 4 (b) is a plan view thereof.

5 (a) and 5 (b) are vertical front views showing another embodiment of the structure for connecting the roof members.

FIG. 6 is a cross-sectional view showing another embodiment of the connecting frame.

FIG. 7 is a vertical sectional front view showing a structure of a connecting portion of a roof material of a conventional example.

FIG. 8 is a vertical cross-sectional front view showing the structure of a connecting portion of still another roof material of the conventional example.

[Explanation of symbols]

 2 Inner layer base material 4 Outer layer base material 5 Roofing material 7 Paragraph part 8 Joint part 9 Gutter part 10 Hanging part 11 Connecting frame 12 Fastening seat 13 Gutter part 13a Bottom wall 13b Standing wall 14 Locking part 15 Locking part 19 Joint frame 20 Leg 24 24 Gutter 25 Hook

Claims (2)

[Claims] 1. An inner layer base material 2, an outer layer base material 4, and a roof material 5 that covers the outer surface of the outer layer base material 4, and joint portions 8 provided on both left and right ends of the roof material 5 are inner layer base materials. An internal connection type vertical structure in which a strip-shaped connecting frame 11 fixed to a purlin or a beam via 2 is hooked and engaged, and a joint frame 19 is press-fitted between adjacent joint portions 8. It is a thatched roof, and the connecting frame 11 is a bottom wall 13a 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.
a gutter part 13 formed with b and opening upward, and a gutter part 13
And the fastening seats 12 provided on the left and right sides of the trough 13 and fastened and fixed to the base material 1 with the screws 16 through the inner layer base material 2. In the left and right ends of the main surface wall 6 of the roof member 5, a joint portion 8 that elastically engages with the locking portion 14 and a gutter portion 9 that is open on the upper surface side are continuously bent and formed. The joint frame 19 is made of a strip having an upper wall 22 that covers the outer surface of the joint portion 8 of the adjacent roofing material 5 and a pair of left and right leg pieces 20 that project from the inner surface of the upper wall 22. An internal connection type thatch roof in which a gutter part 24 is provided in the lower part, and a hooking part 25 which elastically engages with an outer surface step part of the joint part 8 is provided at free end opening edges of both the gutter parts 24. 2. The bottom wall 1 of the gutter part 13 in the connecting frame 11.
Locking portion 15 provided with a pair of left and right step portions at approximately the center of 3a
2. The internal connection type according to claim 1, wherein each of the free end opening edges of the adjacent gutter portions 9 is formed with a hooking portion 10 that abuts and engages with the locking portion 15. A thatched roof.