JP3584846B2 - Exterior wall structure - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an outer wall structure in which a downspout is provided in a space between an existing outer wall and a new outer wall material, for example, at the time of remodeling for attaching a new outer wall material to an outdoor surface of an existing outer wall.
[0002]
[Prior art]
As is well known, rain gutters are installed on the outer surface of the building via fixtures, etc., and when renovating such that a new outer wall material is attached to the outdoor side of the existing outer wall. In the above construction, the downspout was once removed, and the newly installed outer wall material was attached to the outdoor side of the existing outer wall, and then the downspout was attached again to the outdoor side of the newly installed outer wall material. However, arranging the downspout on the outdoor side of the outer wall is not preferable in terms of the appearance of the building, and the downpipe exposed on the outer wall is susceptible to some impact and easily broken. Damaged downspouts can leak rainwater, making the appearance of the building even worse. Therefore, at the time of renovation, construction was performed to install a pit in the gap between the outdoor side of the existing outer wall and the indoor side of the new external wall material, and the pit installed on the outdoor side of the existing external wall In some cases, a new outer wall material is attached to an existing outer wall so as to cover the pit from the outdoor side of the pit without removing the pit. According to this, the downspout is not exposed to the outside of the outer wall, which can improve the appearance of the building and reduce the risk of breakage of the downspout. The gap between the new outer wall material and the indoor side must be larger than the width of the downspout in the indoor and outdoor directions, and the amount of protrusion of the new outer wall material from the existing outer wall becomes large. Was a mess.
[0003]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and does not expose a new outer wall material to the outdoor side of an existing outer wall without exposing the downspout to the outdoor side of the newly installed outer wall material. An object of the present invention is to provide a structure of an outer wall in which the amount of protrusion of the outer wall material from the existing outer wall to the outdoor side is suppressed.
[0004]
[Means for Solving the Problems]
External wall structure according to claim 1 of the present invention to solve the above problem, new outer wall member 2 attached via a Tatedoen 3 outdoors side to the outer wall 1 of the existing, width is rather narrow in the indoor or outdoor direction and extending the fins 6 laterally from an end portion in the lateral direction of the Tatetoi 4 together with the width of the left and right directions to form a Tatetoi 4 sufficiently wide flat tubular during Tatedoen 3,3 And the fins 6 are fixed to the outdoor surface of the vertical waist 3, and the fins 6 are connected to the outdoor surface of the vertical waist 3 and the indoor surface of the new outer wall material 2. And a downspout 4 is interposed between the existing outer wall 1 and the newly installed outer wall material 2. Thus, it interposed the Tatetoi 4 flat is a sufficiently large indoor outwardly in the width of the narrow rather and left right width between the indoor side of the outer wall member 2 of the new and outdoor side of the outer wall 1 of the existing Since it has a cylindrical shape, the flow rate of rainwater flowing from the eaves gutter 5 is ensured, and the width between the outdoor side of the existing outer wall 1 and the indoor side of the new outer wall material 2 is reduced to form a new outer wall. The amount of protrusion of the material 2 from the existing outer wall 1 to the outside can be reduced. Further, a fin 6 extends laterally from an end in the left-right direction of the gutter 4, and the gutter 4 is disposed between the vertical trunks 3, 3, and the fin is located on the outdoor side of the vertical trunk 3. By fixing to the surface, the downspout 4 can be fixed between the existing outer wall 1 and the newly installed outer wall material 2 without using a new fixing tool or the like. Furthermore, since the fins 6 are sandwiched between the outdoor surface of the vertical waist edge 3 and the indoor surface of the new outer wall material 2, the outdoor portion of the existing outer wall 1 performed through the vertical waist edge 3 By attaching the newly provided outer wall material 2 to the pit, the downspout 4 can be more firmly interposed between the existing outer wall 1 and the newly provided outer wall material 2.
[0006]
Further, in the outer wall structure according to claim 2 of the present invention, in claim 1 , the downspout 4 is an upper joint 7 connected to the eaves trough 5, a vertically long tubular downspout main body 8, and a drainage means. The upper joint 7 is detachably fitted to the upper end of the downspout main body 8 and the lower joint 9 is detachably fitted to the lower end of the downspout main body 8. It is characterized in that it is formed of a cylindrical body having a uniform horizontal cross section vertically. Thereby, since the downspout main body 8 is formed of a cylindrical body having a uniform horizontal cross section vertically, a uniform horizontal cross section can be obtained even when the downspout main body 8 is cut horizontally at an arbitrary position. Since the horizontal section can be fitted to the upper joint 7 and the lower joint 9, the vertical height of the pit 4 is changed by cutting the pit main body 8 in the horizontal direction, and the building It is possible to easily adjust the height of the downspout 4 according to the height of the downspout.
[0007]
The outer wall structure according to a third aspect of the present invention is characterized in that, in the second aspect , the lower joint 9 is formed to be tapered as it goes downward, and the drainage means 10 is provided at the lower end. As a result, rainwater that flows down from the eaves gutter 5 flows into the lower joint 9 through the upper joint 7 and the downspout main body 8, but the lower joint 9 is tapered as it goes downward, so that the lower joint 9 is tapered. The rainwater flowing into the lower joint 9 can be collected downward along the shape of the lower joint 9, and the drainage means 10 provided at the lower end allows the collected rainwater to be drained. And rainwater flowing through the downspout 4 can be effectively drained without interruption.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described based on an embodiment shown in the accompanying drawings. FIGS. 5 to 7 show a downspout 4 of the present invention, and FIGS. In a building.
[0009]
The downspout 4 includes an upper joint 7 shown in FIG. 5, a downspout main body 8 shown in FIG. 6, and a lower joint 9 shown in FIG. The upper joint 7 is a flat bottomed cylindrical body having a narrow width in the indoor and outdoor directions and a sufficiently wide width in the left-right direction. The connecting pipe 12 that communicates with the upper joint 7 projects obliquely upward in the outdoor direction from the upper portion of the outdoor surface. Further, a fitting portion 14 which is formed one size smaller than the downspout main body 8 is provided below the upper joint 7. The downspout main body 8 is a flat cylindrical body having a narrow width in the indoor and outdoor directions and a sufficiently wide width in the left-right direction. The cylindrical body has a uniform horizontal cross section vertically and has a hollow portion 15 penetrating vertically formed therein. Further, a fin-shaped fin 6 is provided at an end in the left-right direction of the gutter main body 8 so as to protrude toward the side. The lower joint 9 is a flat bottomed cylindrical body having a narrow width in the indoor and outdoor directions and a sufficiently wide width in the left-right direction. The lower joint 9 is formed so as to be tapered downward, and has an opening therein. A hollow portion 16 is formed. At the lower end of the outdoor side surface of the lower joint 9, a tubular drainage means 10 communicating with the hollow portion 16 is provided so as to protrude toward the outdoor side. In addition, a fitting portion 17 formed one size larger than the downspout main body 8 is provided at the upper part of the lower joint 9.
[0010]
The upper joint 7, the gutter main body 8 and the lower joint 9 formed as described above are detachably connected to the upper joint 7 and the lower joint 9 at the upper and lower ends of the gutter main body 8 to form the gutter 4. It is. That is, the fitting portion 14 of the upper joint 7 is fitted into the hollow portion 15 of the gutter main body 8 and the gutter main body 8 is fitted into the fitting portion 17 of the lower joint 9. The downspout 4 formed as described above has a flat cylindrical shape having a narrow width in the indoor and outdoor directions and a sufficiently wide width in the left-right direction, and the hollow portions 13, 15, 17 communicate with each other. Thus, a rainwater flow path is formed. Also, the downspout 4 has a structure in which the lower member is formed larger so that the downspout main body 8 receives the upper joint 7 and the lower joint 9 receives the downspout main body 8, so that the rainwater flowing through the rainwater flow passage is hardly leaked. It is something that is.
[0011]
When attaching the new outer wall material 2 to the existing outer wall 1, the two are fixed with the body edge interposed between the outdoor side of the existing outer wall 1 and the indoor side of the new outer wall material 2. . In this example, since the above-mentioned downspout 4 is disposed vertically between the outdoor side of the existing outer wall 1 and the indoor side of the newly installed outer wall material 2, the trunk edge is vertically disposed. The body edge 3 is used, and the vertical body edge 3 is attached to the existing outer wall 1 vertically with a proper spacing in the left-right direction.
[0012]
In order to dispose the downspout 4 on the outdoor side of the existing outer wall 1, first, the length of the downspout 4 in the vertical direction is adjusted according to the building. To adjust the vertical length according to the building, specifically, the downspout main body 8 is cut horizontally. The downspout main body 8 is formed of a cylindrical body having a uniform horizontal cross section vertically as described above, and a uniform horizontal cross section is obtained even when the downspout main body 8 is cut horizontally at an arbitrary position. Is what you can do. Since the upper joint 7 and the lower joint 9 can be fitted to each other as long as the horizontal cross section of the gutter main body 8 can be fitted, the vertical height of the gutter 4 is changed by cutting the gutter main body 8 in the horizontal direction. You can do it.
[0013]
As described above, the downspout 4 whose length in the vertical direction is adjusted according to the building is located between the vertical hulls 3 and 3 and the outdoor side of the existing outer wall 1 and the indoor side of the new outer wall material 2. It is arranged between and. Specifically, the fins 6 protruding laterally from the left and right ends of the gutter main body 8 are made to be adjacent to the outdoor surface of the vertical trunk 3, and nails or other fixing tools are driven into the gutters 4. Is fixed to the vertical waist edge 3. Further, in this state, the newly installed outer wall material 2 is attached to the vertical waist edge 3 by driving a fixing tool such as a nail from the outdoor side, and the fin 6 is formed by the newly installed outer wall material 2 and the vertical waist edge 3. It is sandwiched and fixed more firmly.
[0014]
As described above, the newly provided outer wall material 2 is attached to the outdoor side of the downspout 4 and the vertical hull 3, and the downpipe 4 is provided between the vertical hulls 3 and 3 and of the existing outer wall 1. It is arranged between the outdoor side and the indoor side of the newly installed outer wall material 2. Here, as described above, the downspout 4 is formed in a flat cylindrical body having a narrow width in the indoor and outdoor directions and a sufficiently wide width in the left-right direction. The width of the outer wall material 2 with respect to the indoor side can be reduced. That is, the amount of protrusion of the newly provided outer wall material 2 from the existing outer wall 1 to the outside can be suppressed, and the area required for newly providing the outer wall material 2 can be reduced.
[0015]
Further, in this example, a through-hole is formed in the newly installed outer wall material 2 in accordance with the connecting pipe 12 and the drainage means 10, and the connecting pipe 12 protruding from the upper joint 7 is outdoors in the one through-hole. The drainage means 10 protruding from the lower joint 9 is inserted into the other through hole in the outdoor direction. The connection pipe 12 is connected to the call gutter 11 extending from the water collector of the eaves gutter 5. That is, the rain that has fallen on the roof is collected by the water collector of the eaves gutter 5, travels along the call gutter 11, and flows from the connecting pipe 12 into the downspout 4. The rainwater flowing into the downspout 4 reaches the hollow portion 17 of the lower joint 9 via the hollow portions 13 and 15, and is drained from the drainage means 10 at the lower end of the lower joint 9 to the outside of the newly installed outer wall material 2. is there. At this time, since the lower joint 9 is tapered downward as described above, the rainwater flowing into the lower joint 9 is collected below the lower joint 9 and the drainage means 10 located at the lower end is formed. And rainwater flowing into the downspout 4 can be effectively drained without interruption.
[0016]
【The invention's effect】
In the outer wall structure of claim 1, wherein in the above manner the present invention, fitted with a new external wall material through a Tatedoen outdoors side the existing outer wall, and left right width indoors outside direction rather narrow A flat tubular downspout with a sufficiently wide horizontal width is interposed between the existing outer wall and the newly installed outer wall material. Even if the width between the outdoor side of the existing outer wall and the indoor side of the new outer wall material is narrowed, the new outer wall material is attached to the existing outer wall while ensuring the flow rate of rainwater flowing from the eaves gutter. Thus, the amount of protrusion of the newly provided outer wall material from the existing outer wall to the outside can be reduced, and the area required for newly providing the outer wall material can be reduced. In addition, the fins were extended laterally from the left and right ends of the downspout, the downspout was placed between the vertical hulls, and the fins were fixed to the outdoor surface of the vertical hull. The downspout can be fixed between the existing outer wall and the newly installed outer wall material without using a simple fixing tool or the like, and the construction work can be simplified. Furthermore, since the fin portion is sandwiched between the outdoor surface of the vertical waist edge and the indoor surface of the new outer wall material, a new outer wall to the outdoor side of the existing outer wall performed through the vertical waist edge is provided. By attaching the material, the downspout can be more firmly interposed between the existing outer wall and the newly installed outer wall.
[0018]
The outer wall structure according to claim 2 of the present invention, in addition to the effect of claim 1 , has the above-mentioned downspout, an upper joint connected to an eaves gutter, a vertically long tubular downspout main body, and a drainage means. The upper joint is detachably fitted to the upper end of the downpipe main body, and the lower joint is detachably fitted to the lower end of the downpipe main body. Since it is formed of a cylindrical body having a horizontal cross section, a uniform horizontal cross section can be obtained even if the downspout main body is cut at an arbitrary position in the horizontal direction, and the horizontal cross section is fitted to the upper joint and the lower joint. Since the height of the pit 4 can be changed by cutting the pit main body in the horizontal direction, the height of the pit 4 can be easily adjusted according to the height of the building. Therefore, the construction work can be simplified.
[0019]
In addition, the outer wall structure according to claim 3 of the present invention, in addition to the effect of claim 2, has a structure in which the lower joint is tapered as it goes downward and the drainage means is provided at the lower end, so that it flows down from the eave gutter. When rainwater flows into the lower joint via the upper joint and the downspout main body, the rainwater naturally collects water as it goes downward along the shape of the lower joint, and is drained from drainage means located at the lower end. It is possible to effectively drain rainwater flowing down the downspout without interruption.
[Brief description of the drawings]
FIG. 1 shows an example of an embodiment of the present invention, and is a horizontal sectional view in a state where a downspout is provided between an existing outer wall and a newly installed outer wall material.
FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a front view of a state in which a downspout is provided on an existing outer wall of the above (a state before a new outer wall material is attached).
FIG. 4 is an enlarged view of a part of FIG. 3, wherein (a) is an enlarged perspective view of the vicinity of an upper joint, and (b) is an enlarged perspective view of a vicinity of a lower joint.
5A and 5B show an upper joint of the downspout of the above, wherein FIG. 5A is a front view and FIG. 5B is a sectional view taken along line BB of FIG.
6A and 6B show a downspout main body of the downspout according to the above, wherein FIG. 6A is a front view and FIG. 6B is a side view.
7A and 7B show a lower joint of the downspout of the above, wherein FIG. 7A is a front view and FIG. 7B is a cross-sectional view taken along line CC of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Existing outer wall 2 New outer wall material 3 Vertical trunk 4 Vertical gutter 5 Eaves gutter 6 Fin 7 Upper joint 8 Vertical gutter main body 9 Lower joint 10 Drainage means 11 Nominal gutter 12 Connecting pipe

Claims (3)

Vertical with mounting a new external wall material through a Tatedoen outdoors side existing outer walls, indoor and outdoor direction width is narrow rather and left right width to form a Tatetoi a sufficiently wide flat tubular The fins extend laterally from the left and right ends of the gutters, and a vertical gutter is arranged between the vertical hulls, and the fins are fixed to the outdoor surface of the vertical hulls. An outer wall structure characterized by being sandwiched between an outer surface of a rim and an indoor surface of a new outer wall material, and having a downspout interposed between the existing outer wall and the new outer wall material. The downspout is formed of an upper joint connected to an eaves gutter, a vertically long tubular downspout body, and a lower joint having drainage means, and the upper joint is detachably fitted to the upper end of the downspout body. The outer wall structure according to claim 1, wherein a lower joint is detachably fitted to a lower end of the downspout main body, and the downspout main body is formed of a cylindrical body having a uniform horizontal cross section vertically . The outer wall structure according to claim 2 , wherein the lower joint is formed so as to be tapered downward, and a drainage means is provided at a lower end .

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