JP3857368B2 - Water stop structure of roof opening - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a waterproof structure for a roof opening.
[0002]
[Background]
By forming an opening on the roof surface of the building, there is a case where a space leading to the outside is formed inside the roof, and a floor that can be used by entering and exiting from the indoor side is provided in the space to form a roof balcony.
That is, as shown in FIG. 11, the roof balcony 35 is formed in a space 30 </ b> A that leads to the outdoors through the opening 30 formed in the roof surface 20 </ b> A. The roof balcony 35 can enter and exit from the indoor side through the window 34.
[0003]
The upper side 31 and the side side 32 of the opening part 30 have the same structure as a general roof eaves and ribs. That is, a collar 91 is attached to the upper side 31, and the side 32 is fit.
For this reason, when it rains, the rain that directly enters the opening 30 is drained from the drainage hole 93 through the drainage groove provided on the roof balcony 35 and passes through the roof surface 20A to the opening 30. The rain that entered the raft 91 on the upper side 31 passed through the drainage pipe 92 attached to the raft 91 and the drainage groove on the roof balcony 35 and was drained from the drainage hole 93 of the roof balcony 35 to the outside of the building. .
[0004]
[Problems to be solved by the invention]
However, when constructing a building, it is necessary to provide a ridge on the upper side of the opening, attach a drain pipe to the opening, and further provide a drainage groove on the roof balcony. In addition, the installation work becomes complicated, and the dredging and drainage pipes are exposed, so that the appearance of the building is impaired.
In addition, the side of the opening is a small fit and may be slightly higher than the roof surface, but usually it is almost the same, and it was not shaped to prevent the entry of rainwater etc. There was also a problem that rainwater and the like entered the opening from the side.
[0005]
An object of the present invention is to provide a water stop structure for a roof opening that can omit a ridge and can prevent rainwater or the like from entering the opening from the upper side and side of the opening. is there.
[0006]
[Means for Solving the Problems]
The present invention will be described with reference to the drawings, are formed in the roof surface 20A of the building 1, a water stop structure of the roof opening 30 that passes communication roof balcony 35 formed in the roof inner space outdoors, the roof surface 20A is rising portion 40A along the upper side 31 and lateral side 32 of the opening 30, 40B is provided continuously, the rising portion 40A, 40B includes a top side 31 of the opening 30 The buried tree 43 provided along the side 32 and the upper side 31 of the opening 30 are provided along the upper side 31 of the opening 30 and the rainwater is dammed up to the side 32 side of the opening 30. An upper side member 41; a side member 42 provided along the side 32 of the opening 30; and a corner member 44 that connects the upper side member 41 and the side member 42 to each other. Member 41 and Side member 4 2 is provided with a cover portion 41A of the U-shaped cross section covering the groaning 43, and 42A, the flat portion 41B of roofing 22D is placed, and 42B, respectively, the angle member 4 4, the groaning 43 and the cover portion 44A of the U-shaped cross section for covering, the flat portion 41B, and a cross-section 44B which is continuous with 42B, the intersection 44B of the flat portion 42B and the corner member 44 of the side edge member 42, the inclination direction Each of the grooves along the line is formed.
[0007]
Since the rising portions 40A and 40B are continuously provided along the upper side 31 and the side side 32 of the opening 30, rainwater and the like flowing toward the opening 30 along the roof surface 20A It is dammed by the rising portion 40A of the upper side 31, flows around the side 32 of the opening 30 and flows toward the eaves of the roof 20. At this time, since the rising portion 40B is also provided on the side 32 of the opening 30, the rainwater that has entered the side 32 does not flow into the opening 30 but flows in the eaves direction. For this reason, intrusion of rainwater or the like from the upper side 31 and the side 32 of the opening 30 into the opening 30 can be prevented, and rainwater or the like does not enter the opening 30. it is possible to omit the drainage tube or the like, it is possible to reduce the field work in the opening 30, Ru can improve the appearance.
Further, since the rising portions 40A and 40B are configured to include the upper side member 41, the side member 42, and the corner member 44, only the upper side member 41 and the side member 42 are connected to the upper side 31 and the side of the opening 30. What is necessary is just to prepare suitably according to the dimension of the edge | side 32, and the square member 44 can be used in common. Therefore, cost can be reduced and it can respond to various opening parts.
In addition, since the upper side member 41 and the side side member 42 are provided with flat portions 41B and 42B, joint portions between the rising portions 40A and 40B and the roof surface 20A are integrally formed, and an opening portion is formed from the joint portion. It is possible to reliably prevent rainwater and the like from entering 30 and to improve the waterproof performance.
Furthermore, rainwater or the like can be easily flowed in the eaves direction by the grooves formed in the flat portion 42B of the side member 42 and the intersecting portion 44B of the corner member 44, respectively.
[0008]
The front SL rising portion 40A along the upper side 31 and lateral side 32 of the opening 30, it is desirable that the projection 50 projecting toward the roof surface 20A side.
Thus, by providing the protrusions 50 in the rising portion 40A along the upper side 31 of the front Symbol opening 30, for example, even when the large amount of rainwater flows along the top surface 20A, beyond the rising portion 40A opening Intrusion into the portion 30 can be more reliably prevented.
Further, if this protrusion 50 is also provided on the rising portion 40B along the side 32 of the opening 30, it becomes difficult for splashes of rain water and the like that collide with the side 32 to enter the opening 30 from the side 32. Intrusion of rainwater or the like into the opening 30 can be further prevented.
[0009]
A joining line 45 between the rising portion 40 </ b> A along the upper side 31 of the opening 30 and the roof surface 20 </ b> A above the rising portion 40 </ b> A may be inclined with respect to a horizontal direction orthogonal to the inclination direction of the roof 20.
As described above, if the joining line 45 is inclined, the rainwater blocked by the rising portion 40A of the upper side 31 can easily flow around the side 32 of the opening 30 and flow toward the eaves of the roof 20, and the rainwater Or the like can be reliably prevented from accumulating in the rising portion 40A along the upper side 31 of the opening 30.
[0010]
In addition, as a structure in which a joining line 45 between the rising portion 40A and the roof surface 20A thereabove is inclined with respect to a horizontal direction orthogonal to the inclination direction of the roof 20, the upper side 31 of the opening 30 is used. The roof surface 20A on the side may be in contact with the side surface of the rising portion 40A, and a guide member 61 having a mountain shape with a joining line 45 with the rising portion 40A inclined in two directions may be provided. A structure may be provided in which the guide member 62 is provided on the surface 20A, which is in contact with the side surface of the rising portion 40A and in which a joining line 45 with the rising portion 40A is inclined in one direction.
[0011]
Furthermore, as a structure in which the joining line 45 is inclined, the upper side 31 of the opening 30 may be formed in a triangular mountain shape, and a rising portion 40A may be provided along the upper side 31, or the upper side of the opening 30 may be provided. 31 may be inclined in one direction, and the rising portion 40A may be provided along the upper side 31 thereof.
[0012]
As described above, if the guide members 61 and 62 that are inclined in two directions or inclined in one direction are prepared separately from the roof 20, the guide members 61 and 62 may or may not be installed. Thus, the joining line 45 can be made horizontal or inclined. For this reason, the shape of the opening 30 and the shape of the rising member 40A can be made common, and the cost can be reduced accordingly.
[0013]
In addition, when the upper side 31 of the opening 30 is inclined in a triangular mountain shape or in one direction and the rising portion 40A is provided along the upper side 31 to incline the joining line 45, the guide members 61 and 62 are prepared. There is no need, and the number of parts can be reduced accordingly, so that the cost can be reduced.
[0014]
Furthermore, when the joint line 45 between the rising portion 40A of the upper side 31 of the opening 30 and the roof surface 20A is formed in a triangular mountain shape, that is, inclined in two directions, rainwater or the like flowing on the roof surface 20A, etc. Can be distributed to the left and right. In this case, the drainage holes of the eaves provided in the roof 20 can be formed one by one on the left and right, and drainage can be performed in a well-balanced manner.
[0015]
Further, when the joining line 45 between the rising portion 40A of the upper side 31 of the opening 30 and the roof surface 20A is inclined in one direction, rainwater and the like flowing through the roof surface 20A can be drained together in one direction. For example, it can be used when only one drainage hole is formed in the eaves or when the drainage in one drainage hole is reduced, and the amount of drainage can be controlled.
[0016]
Thus, the inclined structure of the upper side 31 of the opening 30 can be selected according to the structure and position of the eaves attached to the roof 20.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows a unit building 1 to which an embodiment of the present invention is applied. The unit type building 1 is formed including a building body 10 and a roof 20 provided on the upper part.
On the roof 20, a plurality of roof units 21 are formed side by side on the building unit 11.
[0018]
As shown in FIGS. 2 and 3, the roof panel 22 forming the roof surface 20 </ b> A of the roof unit 21 includes a base frame 22 </ b> A combining steel materials, a base plate 22 </ b> B attached on the base frame 22 </ b> A, and a base plate The waterproof sheet 22C is affixed on 22B and the roof material 22D is mounted on the waterproof sheet 22C.
[0019]
Some roof units 21 have a substantially rectangular opening 30 on the roof surface 20A.
By forming this opening 30, a space 30 </ b> A that leads to the outdoors is formed inside the roof 20, and a window 34 that is formed with a window frame 34 </ b> A and a shoji 34 </ b> B attached to the window frame 34 </ b> A in the space 30 </ b> A. A roof balcony 35 is formed by providing a floor that can be used by entering and exiting from the indoor side.
[0020]
On the roof surface 20A (roof panel 22) along the upper side 31 of the opening 30, as shown in FIG. 5, a prismatic buried tree 43 is installed, and an upper side member 41 is provided so as to cover the buried tree 43. It has been.
Similarly, as shown in FIG. 4, a prismatic buried tree 43 is installed on the roof surface 20 </ b> A (roof panel 22) along the side 32 of the opening 30, and the side so as to cover the buried tree 43. A side member 42 is provided.
Similarly, a cover material 33A is provided on the roof surface 20A (roof panel 22) along the lower side 33 of the opening 30.
Furthermore, a corner member 44 that makes the upper side member 41 and the side member 42 continuous is provided at the intersection of the upper side member 41 and the side member 42.
[0021]
The upper side member 41 and the side member 42 are formed to include U-shaped cover portions 41A and 42A and flat portions 41B and 42B on which the roofing material 22D is placed. Further, the corner member 44 is formed to include a cover portion 44A having a U-shaped cross section and an L shape, and an intersecting portion 44B.
[0022]
The corner member 44 is attached so as to overlap the ends of the upper side member 41 and the side member 42. In addition, a groove along the inclined direction is formed in the flat portion 42B of the side member 42 and the intersecting portion 44B of the corner member 44 so that rainwater or the like can easily flow in the eaves direction.
[0023]
Here, the upper side 31 rises with the cover part 41A of the upper side member 41, the prismatic buried tree 43 installed along the upper side 31 of the opening 30, and the cover part 44A along the upper side 31 of the square member 44. Part 40A is configured.
Further, the side portion includes a cover portion 42 </ b> A of the side member 42, a prismatic buried tree 43 installed along the side portion 32 of the opening 30, and a cover portion 44 </ b> A along the side portion 32 of the corner member 44. Thirty-two rising portions 40B are configured.
[0024]
Therefore, the joining line 45 is formed in the bent part of the cover part 41A and the flat part 41B of the upper side member 41, that is, the intersection part of the rising part 40A and the roof surface 20A. Similarly, a joint line 45 is formed at the bent portion of the cover portion 42A and the flat portion 42B of the side member 42, that is, at the intersection of the rising portion 40B and the roof surface 20A.
[0025]
Thus, the rising portions 40A and 40B are continuously formed on the roof surface 20A along the upper side 31 and the side 32 of the opening 30.
Further, the rising portions 40A and 40B are provided with water return projections 50 protruding toward the roof surface 20A side.
[0026]
In this embodiment, the rising portions 40A and 40B of the opening 30 are formed by the following procedure.
First, the substantially rectangular opening 30 is formed on the roof surface 20 </ b> A of the roof unit 21.
Then, as shown in FIG. 5, prismatic buried trees 43 having respective lengths are attached along the upper side 31 and the side side 32 of the opening 30.
[0027]
Next, the roof material 22 </ b> D is pasted from the lower end of the roof panel 22 to the lower side 33 of the opening 30.
Thereafter, the cover portions 41A and 42A of the upper side member 41 and the side member 42 are covered with the buried tree 43, and the flat portions 41B and 42B are placed on the waterproof sheet 22C and fixed with double-sided tape, nails or the like. And the corner member 44 is piled up on the intersection part of the upper side member 41 and the side member 42, and it affixes it with a double-sided tape etc., and fixes.
Further, the cover material 33 </ b> A is attached along the lower side 33 of the opening 30.
[0028]
And as shown in FIG. 6, the roofing material 22D is attached in order from the lower side. At this time, the roof material 22D is also attached to the flat portions 41B and 42B of the upper side member 41 and the side member 42 in order.
In this way, the rising portions 40A and 40B of the opening 30 are formed.
[0029]
According to this embodiment, the following effects can be obtained.
By providing the rising portion 40A along the upper side 31 of the opening 30, rainwater or the like flowing to the opening 30 side along the roof surface 20A is blocked by the rising portion 40A on the upper side 31 of the opening 30. Since it flows around the side 32 of the opening 30 and flows toward the eaves of the roof 20, intrusion of rainwater or the like from the upper side 31 into the opening 30 can be prevented.
[0030]
Further, since the rising portion 40B is also provided on the side 32 of the opening 30, rainwater that wraps around the side 32 does not flow into the opening 30 but flows in the eaves direction. Intrusion of rainwater or the like from 32 into the opening 30 can also be prevented.
[0031]
As described above, the rising portions 40A and 40B are continuously provided along the upper side 31 and the side 32 of the opening 30, so that the upper side 31 and the side 32 of the opening 30 are connected to the opening 30. Intrusion of rainwater and the like can be prevented.
For this reason, since the dredging, drain pipe, etc. which were used conventionally can be omitted, the field work in the opening 30 can be reduced, and the appearance can be improved.
[0032]
In addition, by providing the rising portions 40A and 40B along the upper side 31 and the side 32 of the opening 30 with the protrusions 50 protruding toward the roof surface 20A, the amount of rainwater flowing along the roof surface 20A can be reduced. Even when there are many or when splashes such as rainwater collide with the side 32, it is possible to more reliably prevent the rising portions 40A and 40B from entering the opening 30.
[0033]
Furthermore, since the joint portions between the rising portions 40A and 40B and the roof surface 20A are integrally formed by the upper side member 41 and the side member 42, rainwater and the like can be reliably prevented from entering the opening 30 from the joint portions. It is possible to increase the waterproof performance.
[0034]
In addition, this invention is not limited to the said embodiment, Other structures etc. which can achieve the objective of this invention are included, The deformation | transformation etc. which are shown below are also contained in this invention.
For example, in the embodiment, the joining line 45 between the rising portion 40A along the upper side 31 of the opening 30 and the roof surface 20A provided thereabove is parallel to the horizontal direction perpendicular to the inclination direction of the roof 20. However, the joining line 45 may be inclined.
[0035]
As a specific structure, for example, as shown in FIG. 7, the roof surface 20A on the upper side 31 side of the opening 30 is brought into contact with the side surface of the rising portion 40A, and the joining line 45 with the rising portion 40A. The guide member 61 having a mountain shape (for example, a triangular mountain shape) may be provided by inclining in two directions. Alternatively, as shown in FIG. 8, the roof surface 20A is brought into contact with the side surface of the rising portion 40A. A structure may be provided in which a guide member 62 is provided in which the joining line 45 to the rising portion 40A is inclined in one direction. In other words, any structure may be used as long as the joining line 45 is inclined in the direction orthogonal to the roof surface 20 </ b> A with respect to the horizontal direction orthogonal to the inclination direction of the roof 20.
[0036]
Furthermore, as a structure in which the joining line 45 is inclined, as shown in FIG. 9, the upper side 31 of the opening 30 is formed in a triangular mountain shape, and a rising part 40 </ b> A is provided along the upper side 31 to provide the joining line 45. As shown in FIG. 10, the upper side 31 of the opening 30 is inclined in one direction and a rising portion 40A is provided along the upper side 31 so that the joining line 45 is formed. The structure may be inclined in one direction.
That is, any structure may be used as long as the joining line 45 is inclined on the roof surface 20 </ b> A with respect to the horizontal direction orthogonal to the inclination direction of the roof 20.
[0037]
Further, as the structure in which the joint portion 45 is inclined, for example, a semi-conical guide member is used, or the shape of the upper side 31 of the opening 30 is made to be an arc shape, so that the joint line 45 is inclined in an arc shape. In short, the joining line 45 between the rising portion 40 </ b> A and the roof surface 20 </ b> A provided thereabove may be inclined with respect to the horizontal direction perpendicular to the inclination direction of the roof 20.
[0038]
As described above, if the joining line 45 is inclined, the rainwater blocked by the rising portion 40A of the upper side 31 can easily flow around the side 32 of the opening 30 and flow toward the eaves of the roof 20, and the rainwater Or the like can be reliably prevented from accumulating in the rising portion 40A along the upper side 31 of the opening 30.
[0039]
Furthermore, in addition to the roof 20, when the guide members 61 and 62 that are inclined in two directions or inclined in one direction are prepared, the guide members 61 and 62 may be installed or not installed. The joining line 45 can be horizontal or inclined. For this reason, the shape of the opening 30 and the shape of the rising portion 40A can be made common, and the cost can be reduced accordingly.
[0040]
In addition, when the upper side 31 of the opening 30 is inclined in a triangular mountain shape or in one direction and the rising portion 40A is provided along the upper side 31 to incline the joining line 45, the guide members 61 and 62 are prepared. There is no need, and the number of parts can be reduced accordingly, so that the cost can be reduced.
[0041]
Further, when the joining line 45 between the rising portion 40A of the upper side 31 of the opening 30 and the roof surface 20A is formed in a triangular mountain shape, that is, inclined in two directions, rainwater or the like flowing on the roof surface 20A is left and right. Can be dispersed and flowed. In this case, drainage holes of the eaves can be formed on the left and right sides of the roof 20 so that rainwater can be drained in a balanced manner.
[0042]
Further, when the joining line 45 between the rising portion 40A of the upper side 31 of the opening 30 and the roof surface 20A is inclined in one direction, rainwater and the like flowing through the roof surface 20A can be drained together in one direction. For example, it can be used when only one drainage hole is formed in the eaves or when the drainage in one drainage hole is reduced, and the amount of drainage can be controlled.
[0043]
Furthermore, in the said embodiment, although the protrusion 50 for water return was provided in the standing part 40A, 40B along the upper side 31 and the side 32 of the said opening part 30, it does not need to provide.
In the above embodiment, the protrusions 50 parallel to the roof surface 20A are provided on the rising portions 40A and 40B along the upper side 31 and the side 32 of the opening 30. For example, the roof surface 20A You may protrude diagonally upward toward the side. In short, the protrusion 50 may be formed so as to protrude toward the roof surface 20A side so that rainwater or the like does not exceed the rising portions 40A and 40B.
[0044]
Furthermore, in the above-described embodiment, the corner member 44 is provided after the upper side member 41 and the side member 42 are installed. However, the present invention is not limited to this. For example, the upper side member is installed after the corner member 44 is first installed. 41 and the side member 42 may be installed, the side member 42 may be installed, then the corner member 44 may be installed, and finally the upper member 41 may be installed. However, it is preferable to provide the corner member 44 after installing the upper side member 41 and the side member 42 in that the height position of the roofing material 22D provided later can be made constant.
[0045]
Also, as in the form of pre-Symbol embodiment, by using the three members 41, 42, 44, prepared as appropriate depending only upper member 41 and the side edge member 42 to the dimensions of the upper side 31 and lateral side 32 of the opening 30 The corner member 44 can be used in common, which is preferable in that the cost can be reduced and various openings 30 can be handled.
[0046]
Moreover , the present invention can be applied not only to the opening 30 in the roof unit 21 as in the above embodiment, but also to the roof panel 22 supported by a bundle pillar or the like.
Moreover, this invention is applicable not only to the unit type building 1 like the said embodiment but the building of a conventional construction method.
[0047]
【The invention's effect】
As described above, according to the water stop structure of the roof opening portion of the present invention, the rising edge is continuously provided along the upper side and the side side of the roof opening portion, so that the upper side of the opening portion is provided. In addition, it is possible to prevent rainwater and the like from entering the opening from the side and the side, so that the dredging and the drain pipe can be omitted, so that field work can be reduced and the appearance of the building can be improved.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a roof structure of a building according to an embodiment of the present invention.
FIG. 2 is an enlarged view of a roof opening in one embodiment of the present invention.
3 is a cross-sectional view taken along line III-III in FIG.
4 is a cross-sectional view taken along line IV-IV in FIG.
FIG. 5 is a perspective view showing a method of assembling a rising portion in one embodiment of the present invention.
FIG. 6 is a perspective view showing a method for assembling a rising portion in an embodiment of the present invention. FIG. 7 shows a roof opening provided with a guide member that is inclined in two directions and has a mountain shape in a modification of the present invention. It is a perspective view shown.
FIG. 8 is a perspective view showing a roof opening provided with a unidirectionally inclined guide member according to another modification of the present invention.
FIG. 9 is a perspective view showing a roof opening in which the upper side of the roof opening in another modification of the present invention is formed in a triangular mountain shape.
FIG. 10 is a perspective view showing a roof opening in which the upper side of the roof opening in another modification of the present invention is inclined in one direction.
FIG. 11 is a cross-sectional view showing a conventional drainage structure of a roof opening.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Unit type building 20 Roof 20A Roof surface 21 Roof unit 30 Opening part 31 Upper side 32 Side 40A Upper side rising part 40B Side rising part 41 Upper side member 42 Side member 45 Joining line 50 Protrusion 61 A guide member 62 which is inclined in one direction

Claims (7)

Is formed on the roof of a building, a water stop structure of the roof opening that passes communication roof balcony outdoors formed in the roof inner space,
On the roof surface, rising portions are continuously provided along the upper side and the side side of the opening,
The rising portion is
Buried wood provided along the upper side and the side side of the opening ;
An upper side member that is provided along the upper side of the opening, and is configured to dam up rainwater and wrap around the side of the opening;
A side member provided along a side of the opening;
A corner member that connects the upper side member and the side member, and
Said upper member and side edge portion material,
A cover section having a U-shaped cross-section covering the buried tree;
Each comprise a flat portion roofing material is placed,
The angle member is,
A cover section having a U-shaped cross-section covering the buried tree;
And a cross section which is continuous with the flat portion,
A water stop structure for a roof opening, characterized in that grooves along the inclined direction are respectively formed in the flat portion of the side member and the intersecting portion of the corner member. In the water stop structure of the roof opening according to claim 1, the rising portion along the upper side and lateral side of the front Symbol opening, characterized in that projection projecting toward the roof surface is provided The waterproof structure of the roof opening.   The waterproof structure of the roof opening part according to claim 1 or 2, wherein a joint line between the rising part along the upper side of the opening part and the roof surface is inclined with respect to a horizontal direction orthogonal to the inclination direction of the roof. A waterproof structure for the roof opening, characterized by   The waterproof structure of the roof opening part according to claim 3, wherein the roof surface on the upper side of the opening part is in contact with the side surface of the rising part on the upper side of the opening part, and is joined to the rising part. A water-stopping structure for a roof opening, characterized in that a guide member that is inclined in two directions and has a mountain shape is provided.   The waterproof structure of the roof opening part according to claim 3, wherein the roof surface on the upper side of the opening part is in contact with the side surface of the rising part on the upper side of the opening part, and is joined to the rising part. A water stop structure for a roof opening, characterized in that a guide member that is inclined in one direction is provided.   The waterproof structure for a roof opening according to claim 3, wherein the upper side of the opening is formed in a triangular mountain shape, and a rising portion is provided along the upper side. Construction.   The water stop structure of the roof opening according to claim 3, wherein the upper side of the opening is inclined in one direction, and a rising portion is provided along the upper side. Water stop structure.

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