JP7096126B2 - Roof structure - Google Patents

Description

The present invention relates to a roof structure applied to an outdoor structure such as a terrace enclosure.

For outdoor structures installed on the outer wall of a building such as a terrace enclosure, between the vertical frame provided on the outer wall, the upper and lower frames provided so as to project from the outer wall, and the front frame. There is a roof structure in which a roof wall panel is provided in the trapezoidal opening constructed in. The roof wife panel has the front frame, the vertical frame, the upper frame, and the lower side with the edges inserted in the panel accommodating grooves provided in the end of the front frame, the vertical frame, the upper frame, and the lower frame. It is supported by the frame (see, for example, Patent Document 1).

In this type of roof structure, when water such as rainwater infiltrates into the panel accommodating groove of the upper side frame, it moves inside the panel accommodating groove along the inclination of the upper side frame and forms the panel accommodating groove at the end of the front frame. It reaches the panel accommodating groove of the lower frame through. The water that reaches the panel accommodating groove of the lower side frame is discharged to the outside of the roof structure through a drainage port (not shown).

Japanese Unexamined Patent Publication No. 2012-229573

By the way, the panel accommodating groove provided at the end of the front frame is open in the lateral direction. Therefore, the water that has reached the panel accommodating groove at the end of the front frame from the panel accommodating groove of the upper side frame is in a state of easily leaking to the surface side of the roof end panel. Moreover, the panel accommodating groove provided at the end of the front frame is often shorter in length than the panel accommodating groove provided in the upper side frame, and the capacity of water that can be accommodated is very limited. Therefore, in the above-mentioned roof structure, there is a possibility that the water that has reached the panel accommodation groove at the end of the front frame from the panel accommodation groove of the upper side frame overflows to the outside before being discharged to the panel accommodation groove of the lower side frame. be.

In view of the above circumstances, it is an object of the present invention to provide a roof structure capable of preventing a situation in which water such as rainwater overflows.

In order to achieve the above object, the roof structure according to the present invention has a lower frame material extending so as to project with respect to the outer wall of the building and having a lower panel accommodating groove that opens upward, and the lower frame. An upper frame material extending above the material so as to project from the outer wall and having an upper panel accommodating groove that opens downward, and a side provided between the lower frame material and the upper frame material. A side frame material and a side panel accommodating groove that opens to the side are provided, and the side panel accommodating groove is provided in the side frame material so as to be continuous with the lower panel accommodating groove and the upper panel accommodating groove. A roof structure including a vertical frame member and a roof end panel arranged with its edges inserted into the lower panel accommodating groove, the upper panel accommodating groove, and the side panel accommodating groove. The vertical frame member is provided with a hollow portion on the outer peripheral side of the side panel accommodating groove, and the upper panel accommodating groove is provided so as to communicate with the hollow portion. A bottom wall portion is provided in a portion below the edge end surface of the upper panel accommodating groove with a drain hole secured only in a portion facing the lower panel accommodating groove.

According to the present invention, since the vertical frame member is provided with the hollow portion and the upper panel accommodating groove is provided so as to communicate with the hollow portion, water from the upper panel accommodating groove flows into the hollow portion. It is possible to prevent water from leaking to the surface of the roof end panel from the opening of the side panel accommodating groove. Moreover, the water that has reached the hollow portion is collected inside by the bottom wall portion, then passes through the drain hole and is discharged only to the lower panel accommodating groove, so that there is no possibility of overflowing to the outside.

An outdoor structure provided with a roof structure according to an embodiment of the present invention is shown, where (a) is an external perspective view and (b) is a perspective view showing the structure of a frame material. It is an enlarged sectional side view which shows the roof structure of the outdoor structure shown in FIG. It is a cross-sectional view of the roof structure shown in FIG. FIG. 2 is a sectional view taken along line XX in FIG. It is an enlarged cross-sectional side view which shows the front frame part of the roof structure shown in FIG. FIG. 2 is an enlarged cross-sectional view taken along the line YY in FIG. 2 shows a vertical frame member of the roof structure shown in FIG. 2, where (a) is a front view seen from the side of the side frame material, (b) is a side view, (c) is a plan view, and (d) is. A rear view, (e) is a perspective view seen from the rear side, (f) is a perspective view seen from the front side, (g) is a sectional view taken along line AA in (d), and (h) is in (d). It is a sectional view taken along the line BB. The front frame portion of the roof structure shown in FIG. 2 is viewed from the outdoor side, (a) is a perspective view with the end cap removed, and (b) is a perspective view with the end cap attached. Is. The front frame portion and the end cap of the roof structure shown in FIG. 2 are shown. FIG. 2A is a side view of the end cap as viewed from the inner surface side, and FIG. 2B is a side view before attaching the end cap. A cross-sectional side view of the front frame portion, (c) is a side view of the end cap attached to the front frame portion as viewed from the inner surface side.

Hereinafter, preferred embodiments of the roof structure according to the present invention will be described in detail with reference to the accompanying drawings.
1 to 4 show an outdoor structure provided with a roof structure according to an embodiment of the present invention. The outdoor structure 10 exemplified here is called a terrace enclosure for forming a solarium by utilizing the terrace 1 adjacent to the outer wall W of the building, and is configured by combining a plurality of frame materials. It has a substantially rectangular parallelepiped outer shell. The frame material is an extruded shape material formed of a metal such as an aluminum alloy, and is configured so that the total length along the longitudinal axis has a substantially uniform cross section. In the present embodiment, as the frame material, the frame vertical frame 11, the joist hanging 12, the rafter hanging 13, the end beam 14, the pillar 15, the girder 16, the front frame (side frame material) 17, the arm wood (lower frame material) 18 , Tsumari rafters (upper frame material) 19 are applied, and the outer shell of the outdoor structure 10 is formed by appropriately combining these. Of these, the rafter hanging 13, the front frame 17, the arm tree 18, and the rafter 19 form a roof structure with a frame member 21, a roof panel 22, a roof wife panel 23, and an end cap 30, which will be described later.

Hereinafter, the outdoor structure 10 will be described more specifically. In the following, for convenience, the direction along the top and bottom of the building is up and down, the direction horizontal along the outer wall W is left and right, the direction perpendicular to the outer wall W is front and back, and the direction away from the outer wall W is forward. , The direction close to the outer wall W is referred to as the rear.

In the outdoor structure 10, first, the left and right skeleton vertical frames 11 are attached to the outer wall W of the building, the joist hooks 12 are attached between the lower ends of the skeleton vertical frames 11, and the rafters are attached between the upper ends of the skeleton vertical frames 11. By attaching the hanging 13, a rectangular frame is formed on the outer wall W of the building. The rafter hanging 13 is attached to the outer wall W in a state of being in contact with the upper surface of the skeleton vertical frame 11 via the lower surfaces of both ends so that the edge end faces at both ends open to the left and right. As is clear from the figure, the rafter hanging 13 and the skeleton vertical frame 11 are provided with seal grooves 13a and 11a at the edges of the surfaces that come into contact with the outer wall W. The rafter hanging 13 is provided with a seal groove 13a on the upper edge portion on the outer wall W side, and the skeleton vertical frame 11 is provided with a seal groove 11a on both side edges on the outer wall W side, respectively. These seal grooves 13a and 11a are configured so that when the rafter hanging 13 and the skeleton vertical frame 11 are attached to the building, the cross section is rectangular with the outer wall W, and the rafter hanging 13 and the skeleton vertical frame 11 are formed. The frame 11 is configured to have the same width as each other.

The left and right end beams 14 are projected from both ends of the joist hanging 12 so as to be substantially horizontal from both ends toward the outdoor side, and pillars 15 are connected to the extending ends of the end beams 14, respectively. be. The pillars 15 are erected on the terrace 1 along the upper and lower sides with the same space as the left and right skeleton vertical frames 11, and the upper ends of the pillars 15 are provided so as to be lower than the upper ends of the skeleton vertical frames 11. be. A girder 16 and a front frame 17 are attached between the left and right pillars 15. The girder 16 is arranged so as to have substantially the same height as the end beam 14, and extends substantially horizontally along the left and right sides. The front frame 17 is arranged so that the upper end surfaces of the pillars 15 are in contact with the lower surfaces of the left and right ends, and extend substantially horizontally along the left and right at a position lower than the rafter hanging 13. In the present embodiment, the sliding window 40 is attached to the rectangular front opening 24 composed of the left and right pillars 15, the girder 16, and the front frame 17, and the left and right shoji 41s are slid to the front. It is possible to open and close the opening 24.

The front frame 17 includes a hollow tubular front frame base portion 17a, an upper fin portion 17b provided on the upper portion of the front frame base portion 17a, and a front fin portion 17c provided on a side surface on the outer peripheral side of the front frame base portion 17a. Is integrally configured. The upper fin portion 17b is for forming a panel mounting groove 22A into which the edge portion of the roof panel 22, which will be described later, is inserted between the upper fin portion 17b and the front frame base portion 17a, and protrudes upward from the upper portion of the front frame base portion 17a. Later, it bends and extends in a direction close to the outer wall W of the building. The front fin portion 17c is for forming a gutter 17d on the outer periphery of the front frame base portion 17a. After projecting diagonally upward from the side surface of the front frame base portion 17a, the front fin portion 17c is bent vertically upward, and the bent edge portion is further bent. It is slightly bent toward the outer wall W of the building.

Arms 18 are attached to both ends of the front frame 17 between the vertical frame 11 and the frame 11. The arm tree 18 extends substantially horizontally from the lower portion of the front frame 17 toward the outer wall W, and the extending end portion is connected to the surface 11c of the skeleton vertical frame 11 facing the outside of the room. A rectangular lateral opening 25 is formed between the 15 and the end beam 14. In the present embodiment, the FIX windows 50 are attached to the left and right side openings 25, respectively, and the side openings 25 are always closed.

Further, at both ends of the front frame 17, wife rafters 19 are attached to portions above the arm tree 18. The rafters 19 are inclined so as to be gradually upward toward the outer wall W of the building, and the extending ends are connected to both ends of the rafters 13. The left and right wife rafters 19 form a rectangular roof opening 26 between the rafter hanging 13 and the front frame 17, and the trapezoidal roof wife between the frame vertical frame 11, the arm tree 18, and the front frame 17, respectively. It constitutes the opening 27.

The roof opening 26 is provided with rafters 28 so as to be parallel to the wife rafters 19, and a roof panel 22 is attached so as to close the opening 26. The roof panel 22 serves as the roof of the outdoor structure 10, and is gradually inclined downward as it is separated from the outer wall W. As is clear from the figure, the roof panel 22 constantly closes the roof opening 26 by inserting the edges of the four circumferences into the panel mounting grooves 22A provided in the rafter hanging 13, the rafter 19 and the front frame 17, respectively. It is installed in the state of being. As the roof panel 22, a translucent plate material molded from a resin such as polycarbonate is applied. Inside the panel mounting groove 22A, the seal member 22a is in contact with at least one of the upper and lower surfaces of the roof panel 22. The seal member 22a that comes into contact with the roof panel 22 has a preformed fixed shape.

On the other hand, the roof wife panel 23 is arranged in the roof wife opening 27. The roof wife panel 23 constantly closes the roof wife opening 27 by inserting the edges of the four circumferences into the panel accommodating grooves 29 provided in the end of the front frame 17, the rafters 19, the skeleton vertical frame 11, and the arm tree 18. It is installed in the state. The panel accommodating groove of the arm tree 18 (hereinafter, referred to as a lower panel accommodating groove 29A when distinguished) is integrally formed on the upper surface of the arm tree 18 and is open upward. On the other hand, in the end of the front frame 17, the rafters 19 and the vertical frame 11, the stile member 21 having the panel accommodating groove 29 is formed into a separate body, and the stile member 21 is formed on the inner peripheral side of each stile member 21. A panel accommodating groove 29 is provided by attaching the panel accommodating groove 29. The panel accommodating groove of the wife rafter 19 (hereinafter referred to as the upper panel accommodating groove 29B when distinguishing) opens downward, and the panel accommodating groove at the end of the front frame 17 (hereinafter referred to as the side panel accommodating groove when distinguishing). The groove 29C) opens toward the rear, and the panel accommodating groove of the frame vertical frame 11 (hereinafter, referred to as the rear panel accommodating groove 29D when distinguished) opens toward the front.

The stile member 21 is configured to be smaller in width than the front frame 17, the wife rafters 19, and the skeleton vertical frame 11, and the individual outer side surfaces 21a are the edge end faces 17e of the front frame 17, and the outer side surfaces of the wife rafters 19. 19a, it is attached at a position regressed one step with respect to the outer side surface 11b of the frame vertical frame 11. Similarly, the arm tree 18 is provided with a stepped side surface 18b that is one step recessed from the outer side surface 18a of the arm tree 18 at a portion located on the outdoor side of the lower panel accommodating groove 29A. The stepped side surface 18b is located on a plane substantially the same as the outer side surface 21a of the stile member 21. As the roof panel 23, a translucent plate material formed of a resin such as polycarbonate is applied as in the roof panel 22. Inside the panel accommodating groove 29, the panel seal member 23a is in contact with at least one of the inner and outer surfaces of the roof end panel 23. The panel seal member 23a that abuts on the roof end panel 23 has a preformed fixed shape.

As is clear from the figure, in the present embodiment, the stile member of the wife rafter 19 (hereinafter, distinguished) is attached to the upper end portion of the stile member (hereinafter, referred to as the vertical stile member 21C when distinguished) provided in the front frame 17. In some cases, the upper stile member 21B) is inserted and connected. Further, the upper end surface of the stile member (hereinafter, referred to as the rear stile member 21D when distinguished) abutted on the lower surface of the upper stile member 21B located on the outer wall W side abuts on the lower surface thereof. It is connected in the state.

The upper frame member 21B and the rear frame member 21D are extruded shaped materials formed of a metal such as an aluminum alloy, and are configured to form a hollow shape having a substantially rectangular cross section. The upper panel accommodating groove 29B and the rear panel accommodating groove 29D are configured by providing an opening in the entire length of the peripheral wall constituting one side of the rectangular frame members 21B and 21D, respectively. That is, in the upper frame member 21B and the rear frame member 21D, the entire hollow interior is the panel accommodating grooves 29B and 29D. As shown in FIGS. 3 and 4, the upper frame member 21B is fixed to the end rafter 19 by screwing the screw member S via the peripheral wall, and the rear frame member 21D is a screw member via the peripheral wall. It is fixed to the frame vertical frame 11 by screwing S.

On the other hand, the vertical frame member 21C is molded from a resin and is configured to have a substantially rectangular hollow shape as shown in FIGS. 5 to 7. The two side peripheral walls 61 located on the left and right sides of the vertical frame member 21C are configured to have dimensions capable of accommodating the upper frame member 21B between them. Further, in the vertical frame member 21C, the upper frame member 21B can be inserted into the substantially upper half of each of the front frame facing peripheral wall 62 facing the front frame 17 and the vertical frame facing peripheral wall 63 facing the skeleton vertical frame 11. Notches 62a and 63a are provided.

The side panel accommodating groove 29C is configured by providing a recess in the vertical frame facing peripheral wall 63. That is, the vertical frame facing peripheral wall 63 extends inward from the two edge side wall portions 63b extending at substantially right angles from the two side peripheral walls 61 in the directions facing each other, and from the individual edge side wall portions 63b. It has two inner side wall portions 63c and an inner back wall portion 63d provided so as to connect between the inner edge portions of the inner side wall portions 63c, and is surrounded by the two inner side wall portions 63c and the inner back wall portion 63d. A side panel accommodating groove 29C is formed in the recessed portion. That is, in the vertical frame member 21C, a cylindrical base (hollow portion) 60A having an irregular hollow shape surrounded by the front frame facing peripheral wall 62, the two side peripheral walls 61, and the vertical frame facing peripheral wall 63, and the side panel accommodation. The groove 29C is a space independent of each other. As is clear from FIG. 7 (c), the internal cross-sectional area of the cylindrical base 60A is secured sufficiently larger than the cross-sectional area of the side panel accommodating groove 29C in a plan view.

The cylindrical base 60A of the vertical frame member 21C is provided with a bottom wall portion 64 at a portion below the notches 62a and 63a. The bottom wall portion 64 seals the inside of the tubular base portion 60A in a state where the drainage hole 64a is secured only in the central portion corresponding to the side panel accommodating groove 29C. As is clear from the figure, the upper surface of the bottom wall portion 64 is inclined so as to be gradually lowered toward the drainage hole 64a, and is inclined so as to be gradually lowered toward the front frame 17.

Further, a protrusion 65 and an elastic engaging pin 66 are provided on the front frame facing peripheral wall 62 of the vertical frame member 21C. The protrusion 65 extends downward from the portion of the front frame facing peripheral wall 62 corresponding to the drainage hole 64a, and is provided so as to protrude from the lower surface 21b of the vertical frame member 21C. The protrusion 65 is inserted into the lower panel accommodating groove 29A when the lower surface 21b of the vertical frame member 21C abuts on the upper surface of the arm tree 18 with the drainage hole 64a facing the lower panel accommodating groove 29A. The side surface on the indoor side is configured to abut on the inner side surface of the lower panel accommodating groove 29A. The elastic engagement pin 66 is a cylindrical member protruding from the surface of the front frame facing peripheral wall 62 facing the front frame 17, and is divided into four in the circumferential direction. Each of the four divided portions is provided with an engaging protrusion 66a on the outer peripheral surface of the tip portion.

The vertical frame member 21C is attached to the front frame 17 by attaching the elastic engaging pin 66 to the engaging hole (not shown) provided in the front frame 17 with the protrusion 65 inserted into the lower panel accommodating groove 29A. be. As described above, the end portion of the upper stile member 21B is inserted into the upper end portion of the vertical stile member 21C, and the edge end surface of the upper panel accommodating groove 29B is opened at a position facing the inside of the cylindrical base 60A. There is. In other words, the upper frame member 21B is connected to the vertical frame member 21C so that the upper panel accommodating groove 29B communicates with the inside of the tubular base 60A, and further accommodates the upper panel via the inside of the tubular base 60A. The groove 29B is continuous with the lower panel accommodating groove 29A.

Further, in the outdoor structure 10, an end cap 30 is attached to the edge end surface 17e of the front frame 17. As shown in FIGS. 8 and 9, the end cap 30 is adjacent to the main body cover portion 31 that covers the edge end surface 17e of the front frame 17 and the side panel accommodating groove 29C from the outer side surface 21a of the vertical frame member 21C. The vertical frame cover portion (extension cover portion) 32 that covers the area up to the surface 21c and the side frame cover portion (extension cover portion) 33 that covers the outer side surface 19a of the wife rafters 19 are integrally molded with resin. ..

The main body cover portion 31 and the side frame cover portion 33 are plate-shaped members located on substantially the same plane. On the other hand, the vertical frame cover portion 32 is connected between the main body cover portion 31 and the side frame cover portion 33 by a peripheral cover portion (extension cover portion) 34, and the outer surface 32a thereof is the main body. It is arranged at a position recessed one step from the outer surface 31a of the cover portion 31 and the outer surface 33a of the side frame cover portion 33. The peripheral cover portion 34 is a portion that covers the lower surface 19b of the wife rafter 19 and the surface 17f facing the outer wall W of the front frame 17, and extends in a direction substantially orthogonal to the main body cover portion 31 and the side frame cover portion 33. ing. That is, when the inner surface 31b of the main body cover portion 31 is placed in contact with or close to the edge end surface 17e of the front frame 17, the inner surface 33b of the side frame cover portion 33 hits the outer side surface 19a of the wife rafters 19. The inner surface 32b of the vertical frame cover portion 32 is arranged in contact with or close to the outer side surface 21a of the vertical frame member 21C, and the inner surface 34a of the peripheral cover portion 34 is arranged in contact with or close to the outer side surface 21a. It is configured to be in contact with or close to the surface 17f facing the lower surface 19b of 19 and the outer wall W of the front frame 17.

The end cap 30 is formed with a series of end grooves 30a at a portion of the inner surface 31b of the main body cover portion 31 where the front frame 17 is in contact with or in close proximity to the front frame 17. Further, the inner surface 33b of the side frame cover portion 33, the inner surface 32b of the vertical frame cover portion 32, and the inner surface 34a of the peripheral cover portion 34 are connected to the edges of the portions facing the rafters 19 and the vertical frame member 21C. The seal coating groove 30b is formed.

In the outdoor structure 10 configured as described above, as shown in FIG. 1B, after attaching the skeleton vertical frame 11, the joist hanging 12 and the rafter hanging 13 to the outer wall W of the building, the skeleton vertical frame 11 and the rafters are attached. The skeleton of the roof structure is constructed by attaching the left and right arm trees 18 and the wife rafters 19 to the hanging 13 and further providing the front frame 17 between the arm trees 18 and the wife rafters 19. From this state, the end cap 30 is attached to both edge end faces 17e of the front frame 17. At this time, if the sealing material is applied in advance to the seal coating groove 30b of the end cap 30, it is possible to secure the sealing property of the roof structure by attaching the end cap 30.

That is, in the end cap 30, the fore edge end surface 17e of the front frame 17 is closed by the main body cover portion 31. Further, the side frame cover portion 33 seals the joint portion between the front frame 17 and the wife rafters 19, and the vertical frame cover portion 32 and the peripheral cover portion 34 seal the joint portion between the front frame 17 and the vertical frame member 21C, and the wife rafters. The joint portion between 19 and the vertical frame member 21C, the joint portion between the upper frame member 21B and the vertical frame member 21C, and the joint portion between the vertical frame member 21C and the arm tree 18 are sealed. Therefore, after the end cap 30 is attached, it is not necessary to individually apply the sealing material to these joints, and the sealing property is ensured without complicating the work of assembling the roof structure. It becomes possible to do.

Further, since the hollow tubular base 60A is provided in the front frame 17 and the upper panel accommodating groove 29B is provided so as to communicate with the inside of the tubular base 60A, the water from the upper panel accommodating groove 29B is tubular. The water will flow into the base 60A, and there is no risk of water leaking from the opening of the side panel accommodating groove 29C to the surface of the roof end panel 23. Moreover, the water that has reached the tubular base 60A is collected inside by the bottom wall portion 64 and then discharged only to the lower panel accommodating groove 29A through the drain hole 64a, so that there is no possibility of overflowing to the outside.

In the above-described embodiment, a roof structure applied to an outdoor structure called a terrace enclosure is exemplified, but the present invention is not necessarily limited to this, and the lower frame material, the upper frame material, and the upper frame material and the roof structure are exemplified. It can be applied to other things as long as the roof wife panel is arranged in the roof wife opening surrounded by the side frame material. Further, although the panel accommodating groove is provided by attaching the upper frame member to the upper frame material, the panel accommodating groove may be integrally formed as in the lower frame material. Further, although a cylindrical portion is exemplified as the hollow portion, it does not necessarily have to be tubular as long as it can be drained into the lower panel accommodating groove.

As described above, the roof structure according to the present invention includes a lower frame material extending so as to project with respect to the outer wall of the building and having a lower panel accommodating groove that opens upward, and the lower frame material. An upper frame material extending upward so as to project with respect to the outer wall and having an upper panel accommodating groove that opens downward, and a side frame provided between the lower frame material and the upper frame material. A vertical frame material is provided with a material and a side panel accommodating groove that opens to the side so that the side panel accommodating groove is continuous with the lower panel accommodating groove and the upper panel accommodating groove. A roof structure including a stile member and a roof end panel having an edge inserted into the lower panel accommodating groove, the upper panel accommodating groove, and the side panel accommodating groove. The stile member is provided with a hollow portion on the outer peripheral side of the side panel accommodating groove, and the upper panel accommodating groove is provided so as to communicate with the hollow portion. The portion below the edge end surface of the accommodating groove is characterized in that a bottom wall portion is provided in a state where a drain hole is secured only in a portion facing the lower panel accommodating groove.

According to the present invention, since the vertical frame member is provided with the hollow portion and the upper panel accommodating groove is provided so as to communicate with the hollow portion, water from the upper panel accommodating groove flows into the hollow portion. It is possible to prevent water from leaking to the surface of the roof end panel from the opening of the side panel accommodating groove. Moreover, the water that has reached the hollow portion is collected inside by the bottom wall portion, then passes through the drain hole and is discharged only to the lower panel accommodating groove, so that there is no possibility of overflowing to the outside.

Further, according to the present invention, in the roof structure described above, the upper frame material is inclined downward as it is separated from the outer wall, and the vertical frame member is extended so as to be separated from the outer wall in the upper frame material. It is characterized in that it is arranged at the end.

According to the present invention, water such as rainwater is guided in a direction away from the outer wall along the inclination of the upper frame material, which is advantageous in terms of waterproofing.

Further, the present invention is characterized in that, in the roof structure described above, the bottom wall portion is inclined so as to be gradually lowered toward the drainage hole.

According to the present invention, the water reaching the hollow portion of the vertical frame member is guided to the drain hole according to the inclination of the bottom wall portion, so that there is no possibility of causing a situation in which water stays in the hollow portion.

Further, according to the present invention, in the roof structure described above, the vertical frame member is provided with a protrusion to be inserted into the lower panel accommodating groove when the drainage hole faces the lower panel accommodating groove. It is characterized by.

According to the present invention, the drainage hole of the hollow portion is maintained in a state of being accurately positioned with respect to the lower panel accommodating groove by the protrusion, and it is possible to more reliably prevent water leakage to the outside.

Further, in the above-mentioned roof structure, the present invention extends the side frame material along the horizontal direction, and the lower frame material and the upper frame material are connected to the end portion thereof. The upper panel accommodating groove is configured by attaching a separate upper frame member provided with the panel accommodating groove to the upper frame material, and an end cap is attached to the end portion of the side frame material. The end cap is integrally provided with a main body cover portion that covers the edge end surface of the side frame material and an extension cover portion that covers a portion extending from the outer side surface of the upper frame material to the outer side surface of the vertical frame member. It is characterized by being.

According to the present invention, by attaching the end cap to the end of the side frame material, the portion extending from the outer side surface of the upper frame material to the outer side surface of the vertical frame member is covered by the extension cover portion, so that they can be covered with each other. The ingress of water through the joint is prevented, which is advantageous in terms of watertightness.

Further, in the above-mentioned roof structure, in the above-mentioned roof structure, a sealing material is applied to the edge portion of the inner surface facing the upper frame material and the edge portion of the inner surface facing the vertical frame member in the extension cover portion. It is characterized by being provided with a series of grooves for applying a seal.

According to the present invention, by applying the sealing material to the sealing coating groove in advance, the joint portion of the upper frame material and the vertical frame member can be sealed at the same time, which complicates the assembly work. It is possible to ensure high watertightness.

17 Front frame, 17e Edge end face, 18 Arm tree, 19 Wife rafter, 19a Outer side, 21B Upper frame member, 21C Vertical frame member, 21a Outer side, 23 Roof end panel, 27 Roof end opening, 29A Lower panel accommodation groove , 29B upper panel accommodation groove, 29C side panel accommodation groove, 30 end cap, 30b seal application groove, 31 main body cover part, 31b inner surface, 32 vertical frame cover part, 32b inner surface, 33 side frame cover part, 33b inner surface, 34 peripheral cover, 34a inner surface, 60A tubular base, 64 bottom wall, 64a drain hole, 65 protrusion, W outer wall

Claims (6)

A lower frame material that extends so as to project from the outer wall of the building and is provided with a lower panel accommodating groove that opens upward.
An upper frame material extending above the lower frame material so as to project with respect to the outer wall and provided with an upper panel accommodating groove that opens downward.
The side frame material provided between the lower frame material and the upper frame material, and
A side panel accommodating groove that opens to the side is provided, and the side panel accommodating groove is provided with a vertical frame member provided in the side frame material so that the lower panel accommodating groove and the upper panel accommodating groove are continuous. ,
A roof structure having a roof structure having an edge portion inserted into the lower panel accommodating groove, the upper panel accommodating groove, and the side panel accommodating groove.
The vertical frame member is provided with a hollow portion at a portion on the outer peripheral side of the side panel accommodating groove.
The upper panel accommodating groove is provided so as to communicate with the hollow portion.
A feature of the hollow portion is that a bottom wall portion is provided in a portion below the edge end surface of the upper panel accommodating groove with a drainage hole secured only in a portion facing the lower panel accommodating groove. Roof structure. The upper frame material is inclined so as to be downward as it is separated from the outer wall.
The roof structure according to claim 1, wherein the vertical frame member is arranged at an extending end portion of the upper frame material separated from the outer wall. The roof structure according to claim 1, wherein the bottom wall portion is inclined so as to be gradually lowered toward the drainage hole. The roof structure according to claim 1, wherein the vertical frame member is provided with a protrusion that is inserted into the lower panel accommodating groove when the drainage hole faces the lower panel accommodating groove. body. The side frame material extends along the horizontal direction, and the lower frame material and the upper frame material are connected to the end portion thereof.
The upper panel accommodating groove is configured by attaching a separate upper frame member provided with the panel accommodating groove to the upper frame material.
An end cap is attached to the end of the side frame material.
The end cap integrally includes a main body cover portion that covers the edge end surface of the side frame material and an extension cover portion that covers a portion extending from the outer side surface of the upper frame material to the outer side surface of the vertical frame member. The roof structure according to claim 1, wherein the roof structure is provided. In the extension cover portion, a series of seal application grooves for applying the seal material are provided on the edge portion of the inner surface facing the upper frame material and the edge portion of the inner surface facing the vertical frame member. The roof structure according to claim 5, wherein the roof structure is provided.

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