JP2000179097A - Roof construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roof construction in which workability in connecting and fixing folded plate roof materials is good, and the bent part of the folded plate roof material can be simply prevented from slipping out. SOLUTION: The bent part 11 of a folded plate roof material 1 is formed with a horizontal piece 11b and a lock piece 11c, a tight frame 2 used for connecting together and fixing the folded plate roof materials is formed with a connecting recessed part 2a on the upper face. The tight frame 2 is fixed onto a roof structural body 10, the respective lock pieces 11c of the folded plate roof materials 1 to be connected together are hooked with the connecting recessed part 2a of the tight frame 2, the respective horizontal pieces 11b of the folded plate roof materials 1 are placed on the upper face of the tight frame 2, and under the condition of arranging the pressing part 3b of a cap clip 3 on the horizontal pieces 11b, the cap clip 3 is screw-fastened with the tight frame 2 to fix the respective bent parts 11 of the folded plate roof materials to the tight frame 2.

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 more particularly, to a roof structure using a folded roof material.

[0002]

2. Description of the Related Art As a roof structure using folded plate roof material,
Conventionally, the side edges of the folded plate roofing material are treated with a hook, and a cap is placed along the treated portion. 2. Description of the Related Art There is known a structure in which a bent portion is formed, a bent portion of a folded roof material to be connected is overlapped with each other, and the overlapped portion is nailed to a roof structure such as a base plate or a rafter.

Further, as another roof structure using a folded plate roof material, a plurality of folded plate roof materials having bent portions formed at both end portions are provided along a roof width direction (a roof surface horizontal direction). Connected,
A structure has been proposed in which bent portions of left and right folded plate roof materials adjacent to each other are connected and fixed using a tight frame, a connection fitting, or the like, and the connection fixed portion is covered with a cap (for example, Japanese Patent Application Laid-Open No. 10-238026). No.).

[0004]

According to the roof structure disclosed in the above-mentioned publication, the folded portion of the folded-plate roofing material is simply placed on the tight frame. The position of the folded roof material is likely to be shifted after temporarily placing the roof material, and it may be necessary to align the tight frame with the folded roof material when performing the connecting operation. Also,
When the folded roof material is pulled by a strong force due to a strong wind due to a typhoon, etc., the folded part of the folded roof material may fall out of the tight frame. It is necessary to take measures such as fixing the bent part of the material to the tight frame with screws.

The present invention has been made in view of such circumstances, and has good workability when connecting and fixing a folded plate roof material.
Moreover, an object of the present invention is to provide a roof structure that can easily prevent a bent portion of a folded-plate roof material from coming off.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is to dispose a plurality of folded plate roofing members having bent portions for connection at both ends on a roof structure. In a roof structure in which a bent portion of a folded-plate roof material is fixed to a roof structure via a connection fixing material, a rising piece having a drainage portion at both end portions of the folded-plate roof material, and a rising piece having an outward end from an upper end of the rising piece. A tight frame in which a bent portion including a protruding horizontal piece and a locking piece hanging downward from the tip of the horizontal piece is formed, and the connection fixing material has a connection recess formed on the upper surface, and a folded plate It is composed of a cap that covers the connection fixing portion of the roofing material, and a cap hook that has a pressing portion that presses the horizontal piece of the folded plate roofing material. Then, fix the tight frame to the roof structure, hook each locking piece of the folded sheet roof material to be connected to the connection recess of the tight frame, and place each horizontal piece of the folded sheet roof material on the top of the tight frame, In the state where the pressing part of the cap hook is arranged on these horizontal pieces,
It is characterized in that the cap slings are screwed (bolted) to the tight frame, and each bent portion of the folded sheet roof material is fixed to the tight frame, and then the cap is mounted on the cap slings.

According to the roof structure of the present invention, the bent portion of the folded-plate roof material is provided with the locking piece that is hooked on the connecting recess of the tight frame. Matching becomes easy. In addition, the position of the folded sheet roof material is less likely to shift after the folded sheet roof material is temporarily placed. Moreover, since the locking pieces of the folded-plate roof material are hooked on the connecting recesses of the tight frame in the connection-fixed state, even if the folded-plate roof material is pulled by a large force, the bent portion of the folded-plate roof material is tight-framed. Is less likely to exit.

Here, in the roof structure of the present invention, it is preferable to arrange a drain receiving gutter below the connecting recess of the tight frame, and to provide a bent portion of the folded plate roof material above the tight frame. It is preferable to dispose a cover that covers the gap between them.

The roof structure referred to in the specification of the present invention refers to a rafter, a field board, or a roof structure alternative to these.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a longitudinal sectional view of a main part of an embodiment of a roof structure according to the present invention. In this embodiment, the folded plate roof material 1
Are mainly composed of the tight frame 2, the cap hook 3, the cap 4, the gutter 5, the cover 6, the bolt 7, and the nut 8.

As shown in FIG. 2, the folded sheet roof material 1 is a member (long product) obtained by bending a metal sheet material such as a color steel plate or an aluminum plate, and has bending portions 11 for connection at both ends. Is formed. The bent part 11 is a rising piece 11 that is bent upward at about 90 ° from the end of the folded roof material 1.
a, a draining portion 11d formed substantially at the center of the rising piece 11a, a horizontal piece 11b protruding outward from the upper end of the rising piece 11a, and a locking piece 11c hanging downward from an end of the horizontal piece 11b. It is composed of

A back-up material 1a such as a styrene board is attached to the back surface of the folded sheet roof material 1 at the time of construction or the like (see FIG. 1).

The tight frame 2 is, as shown in FIG.
Press-processed members such as stainless steel (short products)
Thus, a connection recess 2a is formed in the center of the upper surface. A bolt through-hole 2c is formed in the center of the bottom surface of the connection recess 2a. The edge of the connection concave portion 2a is a fitting convex portion 2b for fitting the bent portion 11 of the folded roof material 1. The width dimension D2 (outside dimension) of the fitting projection 2b is the distance D between the rising piece 11a and the locking piece 11c of the folded-plate roofing material 1.
1 (internal dimensions, see Fig. 1).

At the lower end of both ends of the tight frame 2, mounting legs 2d projecting horizontally outward are integrally formed, and the tight frame 2 is attached to the roof structure (field) using the mounting legs 2d at both ends. 10) (see FIG. 1). In addition, the through-hole 2e of the tapping screw 9 is machined in the mounting leg 2d.

As shown in FIG. 4, the cap hook 3 is a member (short product) obtained by pressing a plate material such as stainless steel.
A pressing portion 3a for pressing the horizontal piece 11b of the folded plate roofing material 1 on the upper surface of the tight frame 2, and a vertical piece 3b bent upward from the front and rear ends (the ends on the roof eaves and the ridge side) of the pressing portion 3a. And a cap engaging piece 3c that hangs downward from the front and rear ends of the pressing portion 3a. A through hole 3d for a bolt is formed in the center of the pressing portion 3a. The vertical piece 3b of the cap hook 3 is processed so that the periphery is along the inner surface of the cap 4 (see FIG. 1).
Functions as a reinforcing rib of the cap 4 in a state where is attached.

As shown in FIG. 5, the cap 4 is a member (long product) obtained by bending a plate material such as stainless steel into a substantially trapezoidal cross section, and has a cap engaging piece 3c ( An engagement portion 4a corresponding to the lower end of FIG. 1) is formed.

The gutter 5 is a member (long product) obtained by bending a thin plate material such as stainless steel into an inverted trapezoidal shape as shown in FIG. As shown in FIG. 1, this gutter 5 is placed below the connection recess 2 a of the tight frame 2, and when water leaks at the connection fixing portion of the folded-plate roofing material 1, the water leaks from the roof structure 10. It is installed only to prevent it from reaching

As shown in FIG. 7, the cover 6 is a member (long product) obtained by bending a thin plate material such as stainless steel into a U-shaped cross section, and the inner dimension D6 between the U-shaped opposed pieces 6a is as follows.
It is machined to a size corresponding to the distance between the outer surfaces of the rising pieces 11a of the left and right folded plate roofing materials 1 in the connected state. The length of the cover 6 is set to a size corresponding to the arrangement pitch of the tight frames 2 installed on the roof structure 10.

As shown in FIG. 1, the cover 6 covers a gap between the bent portions 11 of the folded plate roofing material 1 to be connected. By providing such a cover 6, the room of the outside air can be provided. And the outflow of air from the room can be prevented.
In addition, semicircular notches 6b are formed on both ends in the longitudinal direction of the cover 6 to avoid interference with the bolts 7 (see FIG. 1) during construction.

The construction procedure of the above embodiment of the present invention will be described. First, the gutter 5 is placed on the roof structure 10 at a position to be a connection fixing portion of the folded plate roofing material 1, and then the required number of tight frames 2 are placed on the gutter 5 in the longitudinal direction of the gutter 5 (the roof surface inclination direction). ), And the tight frames 2 are fixed to the roof structure 10 by tapping screws 9. The gutter 5 is simply a roof structure 10
Just placing it on top does not perform any work such as fixing it to the roof structure 10.

Next, as shown in FIG. 1, each locking piece 11c of the folded plate roof material 1, 1 to be connected is hooked on the inner surface of the connecting recess 2a, and each bent portion 11 is attached to the tight frame 2. Each folded plate roofing material 1 is temporarily fixed to the tight frame 2 by being fitted into the fitting convex portion 2b (temporary placing).

After the provisional placement of the folded plate roofing material 1 is completed, the end of the cover 6 is placed on each bent portion 11 of the folded plate roofing material 1,
Further, the pressing portion 3 of the cap hook 3 is placed on the cover 6.
Put a. Next, the notch 6b at the end of the cover 6 is aligned with the bolt through hole 2c of the tight frame 2, and the position of the bolt through hole 2c of the tight frame 2 and the bolt through hole 3d of the cap hook 3 is aligned. In this state, the bolt 7 is passed through the through holes 2c and 3d for bolts from below the tight frame 2 and the nut 8 is screwed into the end of the bolt 7 to fix the cap hook 3 to the tight frame 2. Due to this fastening and fixing, the horizontal piece 1b of each folded plate roofing material 1 is moved to the tight frame 2 and the pressing portion 3 of the cap hanging member 3.
a of each folded plate roofing material 1
Is fixed to the tight frame 2.

With the above operation, the connection and fixing of the folded sheet roof material 1 is completed. Thereafter, the cap 4 is attached to the cap hook 3 to cover the upper part of the connection structure.

According to the present embodiment, when the folded-plate roofing material 1 is temporarily placed, only the bent portion 11 of the folded-plate roofing material 1 is fitted into the fitting convex portion 2b of the tight frame 2. The folded plate roofing material 1 can be easily positioned (temporarily fixed). Further, in the state of being temporarily placed, the fitting protrusion 2 of the tight frame 2 is provided.
Since the bent portion 11 of the folded plate roofing material 1 is fitted into the portion b, no displacement of the folded plate roofing material 1 occurs after the temporary placing.

Further, in the connected and fixed state, the locking pieces 11c of the folded plate roofing material 1 are
a, the bent portion 11 is pulled from the tight frame 2 even if the folded plate roofing material 1 is pulled with a very large force in the direction of the arrow shown in FIG. The possibility of falling off is reduced, and safety can be improved. Moreover, in the present embodiment, since the tip of the locking piece 11c of the folded plate roofing material 1 is folded back,
The bent portion 11 can be more securely prevented from coming off.

FIG. 8 is a vertical sectional view showing a main part of a roof structure according to another embodiment of the present invention, and FIG. 9 is a front view (A) showing another example of the structure of a cap hook used in the embodiment. ), A plan view (B) and a side view (C).

The cap hook 13 shown in FIG. 8 and FIG.
Press-processed members such as stainless steel (short products)
A pressing portion 13a for pressing the horizontal piece 11b of the folded plate roofing material 1 on the upper surface of the tight frame 2, and a pressing portion 13
A vertical piece 13b that bends upward from the front and rear ends (ends on the roof eave side and the ridge side) of a, and a cap engaging piece 13c that hangs downward from the left and right ends of the pressing portion 13a. A bolt through hole 13d is formed in the center of the portion 13a.

The cap hook 13 of this example is characterized in that the cap engaging piece 13c is bent into a shape corresponding to the engaging portion 4a of the cap 4. If such a structure is adopted, Cap suspension 1 of cap 4
The position of the cap 3 is stabilized, and the cap 4 is hard to be detached.

In each of the above embodiments, if the head or nut 8 of the bolt 7 used for connection and fixing is fixed to the back surface of the tight frame 2 by welding, the connection and fixing work of the folded sheet roof material 1 can be performed. Workability is further improved.

In the above embodiment, an example of the roof structure in which the roof surface inclination direction (the longitudinal direction of the cap) extends linearly has been described, but the present invention is not limited to this, and the roof surface inclination direction is It is also applicable to a roof structure formed in a shape. In this case, at the time of forming the folded plate roofing material 1 and the cap 5, the folded plate roofing material 1 and the cap 5 may be bent into a shape corresponding to the radius of the roof surface to be targeted.

Here, in the cap 5 having the cross-sectional shape shown in FIGS.
Since a is formed, the bendable radius is limited even if the radius processing is performed, and for example, the bending processing of the radius of R3.5 m or less becomes difficult.

FIG. 10 shows an example of a structure suitable for the construction of a small roof by Earl. In the roof structure shown in FIG. 10, each lower end of the skirt 25a is simply folded back without forming a complicated bent engagement portion at both lower ends of the cap 25, and such a structure is employed. By doing so, the skirt portion 2 of the cap 25 is formed at the time of molding.
5a can also be corrugated, for example, R3.5
It is also possible to bend small rounds of m or less. In addition,
In the case of the roof structure shown in FIG. 10, since the cap 25 has no engaging portion, the cap hook 23 of the cap 25 is not provided.
Is locked using screws 20.

In the above embodiment, the tight frame 2
A gutter 5 for receiving a drain is arranged below the connection concave portion 2a, and a cover 6 is arranged above the tight frame 2 so as to cover a gap between the bent portions 11 of the folded plate roofing material 1. The invention is not limited to this, but the gutter 5 or the cover 6
Only one of them may be arranged.

[0035]

As described above, according to the roof structure of the present invention, the connecting recess is provided on the upper surface of the tight frame for connecting and fixing the folded sheet roof material, and the bent portion of the folded sheet roof material is provided at the bent portion. Since the locking pieces that are hooked on the bent recesses of the tight frame are provided, the positioning of the folded-plate roof material during temporary placement becomes easy, and the position of the folded-plate roof material with respect to the tight frame does not easily shift. As a result, the workability of connecting and fixing the folded sheet roof material is improved. Furthermore, in the connection and fixed state, since the locking pieces of the folded plate roof material are caught in the connection recesses of the tight frame, the bent portion of the folded plate roof material is tight even if the folded plate roof material is pulled with a large force. The possibility of falling off the frame is reduced, and safety can be improved. In addition, such an effect can be achieved without the need for a troublesome work of screwing and fixing the bent portion of the folded plate roof material to a tight frame or the like.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a main part of an embodiment of a roof structure according to the present invention.

FIG. 2 is a perspective view of a folded plate roof material used in the embodiment shown in FIG.

FIG. 3 is a front view (A) and a plan view (B) of the tight frame used in the embodiment shown in FIG. 1;

FIG. 4 is a front view (A), a plan view (B), and a side view (C) of the cap hook used in the embodiment shown in FIG. 1;

FIG. 5 is a perspective view of a cap used in the embodiment shown in FIG.

FIG. 6 is a perspective view of a gutter used in the embodiment shown in FIG.

FIG. 7 is a perspective view of a cover used in the embodiment shown in FIG.

FIG. 8 is a longitudinal sectional view of a main part of another embodiment of the roof structure of the present invention.

9 is a front view (A), a plan view (B), and a side view (C) of the cap hook used in the embodiment shown in FIG. 8;

FIG. 10 is a vertical sectional view of a main part of another embodiment of the roof structure of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Folded-plate roofing material 11 Folding part 11a Rise piece 11b Horizontal piece 11c Locking piece 2 Tight frame 2a Connection concave part 2b Fitting convex part 2c Bolt through hole 2d Mounting leg 2e Through hole (for tapping screw) 3 Cap suspension 3a pressing portion 3b vertical piece 3c cap engaging piece 3d bolt through hole 4 cap 4a engaging portion 5 gutter 6 cover 6b notch 7 bolt 8 nut 9 tapping screw 10 roof structure

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Tatsuya Fujiwara 2 Dejima Nishimachi, Sakai City, Osaka Sumitomo Metal Construction Materials Co., Ltd. F-term (reference) 2E108 AZ01 BB04 BN02 BN06 CV03 DF05 DF11 DF14 ER14 FF01 FF03 GG15

Claims (3)

[Claims] 1. A plurality of folded plate roofing members having bent portions for connection formed at both end portions are arranged on a roof structure, and the bent portions of the folded plate roofing materials are connected to the roof via a connection fixing member. In a roof structure to be fixed to a structure, a rising piece having a drain portion, a horizontal piece protruding outward from an upper end of the rising piece, and a member hanging downward from a tip of the horizontal piece at both end portions of the folded plate roofing material. A bent portion composed of a stop piece is formed, and the connection fixing material is formed of a tight frame having a connection concave portion formed on the upper surface, a cap covering the connection fixing portion of the folded plate roof material, and a folded plate roof material. The tight frame is fixed to the roof structure, and the locking recesses of the tight frame are hooked with the respective locking pieces of the folded plate roof material to be connected, Tighten each horizontal piece of folded plate roofing material In the state where the pressing portion of the cap hook was placed on these horizontal pieces, the cap hook was screwed to the tight frame, and each bent portion of the folded sheet roof material was fixed to the tight frame. A roof structure characterized by attaching a cap to a cap hook afterwards. 2. A drain receiving gutter is disposed below the connecting recess of the tight frame.
The described roof structure. 3. The roof structure according to claim 1, wherein a cover is provided above the tight frame to cover a gap between the bent portions of the folded roof material.