JP6472002B2 - Keraba ventilation member - Google Patents

Description

  The present invention relates to a keraba ventilation member, and more particularly to a keraba ventilation member used for keraba ventilation in a building keraba having a gable roof.

  13 is a schematic bottom view showing a conventional keraba ventilation member, and FIG. 14 is a schematic cross-sectional view taken along the line XIV-XIV in FIG.

  As shown in these drawings, the conventional keraba ventilation member 71 is used for ventilation of a keraba of a building, is formed by bending a synthetic resin, and extends in an eaves direction (not shown) and a first flat part. Two hollows installed in contact with the upper surface of the first flat part 74 and a first member 73 comprising a guide part 75 connected to an end of the wife side (not shown) 74 and extending vertically downward. The structural plates 83a and 83b are formed by bending a synthetic resin, and the lower surface thereof is vertically connected to the second flat portion 79 contacting the upper surface of the hollow structural plate 83b and the end of the second flat portion on the wife side (not shown). And a second member 78 including a vertical portion 80 extending downward.

  The hollow structure plate 83a includes a ventilation plate 86 formed by molding a plurality of hollow truncated cones 87 on a plate made of synthetic resin so as to be in a staggered state in a plan view as shown by a broken line in FIG. The lower surface material 85 is thermally bonded to the entire lower surface opening side of the hollow circular truncated cone 87 group, and the upper surface material 84 is thermally bonded to the entire upper surface side of the hollow circular truncated cone 87 group of the ventilation plate. The hollow structure plate 83b has the same shape as the hollow structure plate 83a, and is placed over the hollow structure plate 83a.

  FIG. 15 is a schematic view showing a gable side of a building having a general gable roof, and FIG. 16 is a schematic cross-sectional view taken along line XIV-XIV shown in FIG. FIG. 15 is a diagram showing a state where the keraba ventilation member shown in FIGS. 13 and 14 is installed in a building.

  At the time of installation, as shown in these drawings, the keraba ventilation member 71 has a lower surface of the first flat portion 74 of the first member 73 in contact with an upper surface of the rafter 5 of the building 1 and a second of the second member 78. It is installed so that the upper surface of the flat portion 79 is in contact with the lower surface of the base plate 8.

  In use, as indicated by the solid line arrows shown in FIG. 16, the outside air that has entered between the trunk edges 63 located on the wife side 2 is caused by the vertical portion 80 of the second member 78 of the keraba ventilation member 71 and the moisture-permeable waterproof sheet 62. The air can pass through the space between the hollow circular truncated cones 87 of the hollow structural plates 83a and 83b to the back of the hut 10.

  Various roof structures with a ventilation function are known (see, for example, Patent Document 1).

JP 2011-032856 A

  The above-described keraba ventilation member has the following problems. That is, since the keraba ventilation member 71 is constituted by the hollow structural plates 83a and 83b composed of a group of hollow circular truncated cones 87 arranged in a staggered state, the outside air is a hollow circular truncated cone 87 of the hollow structural plates 83a and 83b. It was difficult to pass between the groups, and the ventilation function was unstable.

  Further, as shown in FIG. 16, the upper surface of the second member 78 of the keraba ventilation member 71 is in contact with the field board 8, and the field board 8 and the like from the upper side of the second member 78 to the keraba ventilation member 71. The load due to is always applied. Here, the first member 73, the second member 78, and the hollow structural plates 83a and 83b constituting the keraba ventilation member 71 are all formed of synthetic resin. Therefore, the keraba ventilation member 71 may be deformed by a load on the base plate 8 or the like, and the ventilation function is not reliable.

  Therefore, an object of the present invention is to provide a keraba ventilation member that stabilizes the ventilation function and improves the reliability of the ventilation function.

  In order to solve the problems and achieve the object, the keraba ventilation member of the present invention is configured as follows.

  A keraba ventilation member formed by bending a steel plate and used for keraba ventilation, the first flat portion being installed on the top surface of the rafter and extending in the direction of the eaves, and the end of the first flat portion on the wife side A first member that is connected and extends upward and includes a first partition having a first opening, and is installed on the lower surface of the field board and extends in the direction of the eaves, and the lower surface at the upper end of the first partition. And a second member that includes a second flat portion that abuts.

  According to the present invention, the ventilation function is stabilized and the reliability of the ventilation function is improved.

The bottom view which shows schematic structure of the keraba ventilation member which concerns on the 1st Embodiment of this invention. The right view which shows schematic structure of the assembly process of the same keraba ventilation member. Sectional drawing which cut | disconnected schematic structure of the same keraba ventilation member by the III-III line | wire in FIG. 1, and looked at the arrow direction. Sectional drawing which shows schematic structure of the state which installed the said keraba ventilation member in the building. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. Sectional drawing which shows the one part outline of the installation process of the said keraba ventilation member. The bottom view which shows schematic structure of the keraba ventilation member which concerns on the 2nd Embodiment of this invention. The right view which shows schematic structure of the assembly process of the same keraba ventilation member. Sectional drawing which cut | disconnected schematic structure of the same keraba ventilation member by the IX-IX line in FIG. 8, and looked at the arrow direction. Sectional drawing which cut | disconnected schematic structure of the same keraba ventilation member by the XX line in FIG. 8, and looked at the arrow direction. Sectional drawing which cut | disconnected schematic structure of the same keraba ventilation member by the XI-XI line | wire in FIG. 8, and looked at the arrow direction. Sectional drawing which shows schematic structure of the state which installed the said keraba ventilation member in the building. The bottom view which shows schematic structure of an example of a keraba ventilation member. Sectional drawing which cut | disconnected schematic structure of the same keraba ventilation member by the XIV-XIV line | wire in FIG. 13, and looked at the arrow direction. Explanatory drawing which shows schematically the wife side of the building which has a general gable roof. Sectional drawing which cut | disconnected the schematic structure of the state which installed the said keraba ventilation member in the building by the XVI-XVI line in FIG. 13, and looked at the arrow direction.

  FIG. 1 is a bottom view showing a schematic configuration of a keraba ventilation member according to the first embodiment of the present invention, FIG. 2 is a right side view showing a schematic configuration of an assembly process of the keraba ventilation member, and FIG. Sectional drawing which cut | disconnected schematic structure of the member by the III-III line in FIG. 1, and looked at the arrow direction, FIG. 4 is sectional drawing which shows schematic structure of the state which installed the said keraba ventilation member in the building.

  As shown in these drawings, the keraba ventilation member 11 is used for ventilation of the keraba of the building 1 and is formed by bending a steel plate, and the first member 16 installed on the upper surface of the rafter 5 The second member 52 is installed on the lower surface of the base plate 8 and is integrated with the first member 16 as will be described later.

  The first member 16 of the keraba ventilation member 11 is installed with the lower surface thereof in contact with the upper surface of the rafter 5, and a first flat portion 17 extending in the direction of the eaves (see FIG. 15), and the wife side 2 of the first flat portion 17. The folded portion 18 is formed so as to be folded back to the wife side 2 at the opposite end, and the guide portion 21 extends vertically downward from the end of the first flat portion 17 on the wife side 2 and then is folded upward. A first partition portion 19 having a first opening 20, a third flat portion 26 extending from the upper end portion of the first partition portion 19 toward the wife side 2, and an upper surface of the third flat portion 26. And an attached double-sided tape 28.

  The second member 52 of the keraba ventilation member 11 is installed such that its upper surface is in contact with the lower surface of the field board 8 and extends in the eaves edge (see FIG. 15) direction, and the wife side of the second flat portion 53. A second vertical portion 59 that extends vertically downward from the end of the second portion, a first vertical portion 55 that extends vertically downward at an end opposite to the wife side 2 of the second flat portion 53 and has an opening 56; A folding portion 57 is formed at the lower end of the first vertical portion 55 so as to be folded in the direction opposite to the wife side 2.

  As shown in FIGS. 2 and 3, the first member 16 and the second member 52 of the keraba ventilation member 11 shown by the two-dot chain line are aligned with the direction shown by the two-dot chain line arrow Q, The folded portion 18 of the second member 52 and the folded portion 57 of the second member 52 are engaged with each other, and the double-faced tape 28 located at the upper end of the first partition portion 19 of the first member 16 is adhered to the lower surface of the second flat portion 53. And integrate. With this configuration, the keraba ventilation member 11 is configured such that the distance between the first member 16 and the second member 52 is maintained by the first partition portion 19 of the first member 16. Further, the first member 16 and the second member 52 are integrated by engaging the folded portion 18 of the first member 16 and the folded portion 57 of the second member 52, thereby integrating the first member 16 and the second member 52. The distance from the member 52 is more stably maintained.

  Further, as shown in FIG. 2, in the keraba ventilation member 11, each of the first openings 20 of the first partition portion 19 of the first member 16 is formed of the opening portion 56 of the first vertical portion 55 of the second member 52. Each is formed with the same shape and the same interval in the eaves 3 directions (left and right direction in FIG. 2).

  Accordingly, in use, as shown by a solid line arrow F, the outside air that has entered between the trunk edges 63 becomes moisture permeable to the second vertical portion 59 of the second member 52 of the keraba ventilation member 11 as shown in FIG. The air enters the first opening 20 of the first partition 19 through the waterproof sheet 62, and it becomes easy to ventilate from the opening 56 of the first vertical part 55 to the shed 10. Compared with the conventional keraba ventilation member 71 shown in FIG. 13, the keraba ventilation member 11 of the first embodiment includes a hollow structural plate 83 a, between the first member 16 and the second member 52. Since there is no 83b, the ventilation function is stabilized. By stabilizing the ventilation function, the dew condensation preventing effect between the trunk edges 63 and in the hut back 10 is also improved. Further, as shown in FIG. 3, the lower end position of the first opening 20 is formed to be higher than the upper surface of the first flat portion 17. By forming in this way, as shown in FIG. 4, rainwater easily hits the gust 66 or siding 65 on the wife side 2 without the eaves, and rainwater or the like may enter between the trunk edges 63. Even in such a case, the rainwater or the like is prevented from entering in the direction of the cabin 10.

  Next, the installation process to the building 1 of the keraba ventilation member 11 is demonstrated.

  5A, 5B, and 5C are cross-sectional views showing an outline of a part of the installation process of the keraba ventilation member, and FIGS. 6A, 6B, and 6C are cross-sectional views showing an outline of a part of the installation process of the keraba ventilation member.

  At the time of installation, as shown in FIG. 5A, when the height of the first vertical portion 55 of the second member 52 of the keraba ventilation member 11 is H2, the height of the rafter 5 to which the keraba ventilation member 11 is to be installed. H1 (height from the upper surface of the main house 7) is shorter than the height H3 of the other rafters 6 by a height H2. And the keraba ventilation member 11 is fixed to the rafter 5 located on the wife side 2 of the building 1 with a nail or the like from above. At that time, the guide portion 21 of the first partition portion 19 of the keraba ventilation member 11 is brought into contact with the side surface of the rafter 5 on the end side 2. By doing in this way, since the guide part 21 of the keraba ventilation member 11 becomes an installation reference with respect to the rafter 5, the installation work becomes easy.

  Next, as shown in FIG. 5B, the rafter 5 and the like are fixed so that the upper part of the structural plywood 61 contacts the guide part 21 of the keraba ventilation member 11.

  Then, as shown in FIG. 5C, the field board 8 is fixed to the keraba ventilation member 11 and the rafter 6 from above. At that time, as shown in FIG. 5B, the height of the keraba ventilation member 11 installed in the rafter 5 is the same height H3 as the other rafters 6 and is inclined when the field board 8 is installed. Does not occur.

  As shown in FIG. 6A, the moisture-permeable waterproof sheet 62 is installed on the outer surface of the structural plywood 61.

  Then, as shown in FIG. 6B, the trunk edge 63 is installed so that the upper end of the trunk edge 63 contacts the lower end of the second vertical portion 59 of the keraba ventilation member 11.

  After that, as shown in FIG. 6C, the siding 65 and the gust 66 are installed on the wife side 2, and the roofing 68, the climbing tree 64, the keraba drainer 67, the colonial 69, and the like are installed on the base plate 8. Here, the keraba ventilation member 11 is in a state in which a load is applied from above via the abutted field plate 8. However, since the first member 16 and the second member 52 constituting the keraba ventilation member 11 are both formed from a steel plate, the conventional keraba ventilation member 71 formed from the synthetic resin shown in FIG. In comparison, there is less possibility of deformation and the reliability of the ventilation function is improved.

  7 is a bottom view showing a schematic configuration of the keraba ventilation member 12 according to the second embodiment of the present invention, FIG. 8 is a right side view showing a schematic configuration of the assembly process of the keraba ventilation member 12, and FIG. FIG. 10 is a sectional view taken along the line IX-IX in FIG. 8 and viewed in the direction of the arrow. FIG. 10 is a schematic view of the keraba ventilation member 12 taken along the line XX in FIG. FIG. 11 is a cross-sectional view of the schematic configuration of the keraba ventilation member 12 taken along the line XI-XI in FIG. 8 and viewed in the direction of the arrow, and FIG. 12 is an outline of a state in which the keraba ventilation member 12 is installed in a building. It is sectional drawing which shows a structure.

  In addition, the keraba ventilation member 12 in this 2nd Embodiment is used for the same use as the keraba ventilation member 11 in 1st Embodiment mentioned above, and a basic structure is common. Here, the difference will be mainly described.

  As shown in FIGS. 7 to 12, the first member 16 of the keraba ventilation member 12 is connected to the first flat portion 17 installed on the upper surface of the rafter 5 and the end portion of the first flat portion 17 on the wife side 2. And a first flat part 19 extending upward and having a first opening 20, connected to extend to the wife side 2 at the upper end of the first partition part 19, and a third flat part provided with a rivet hole 27. Connected to the end 26 and the end of the third flat portion 26 on the wife side 2, extending vertically downward until the lower end thereof is located below the lower surface of the first flat portion 17, and the third opening 32. A first hanging portion 31 having a first flat portion 17, a second partitioning portion 23 connected to an end of the first flat portion 17 opposite to the wife side 2, extending upward and having a second opening 24, and a second partitioning The upper end of the portion 23 is connected so as to extend to the opposite side of the wife side 2, and the rivet hole 30 is The fourth flat portion 29 is connected to the end of the fourth flat portion 29 opposite to the wife side 2 and extends vertically downward. The lower end abuts the rafter 5 and the fourth opening. A second hanging portion 35 having 36, and a bent portion 38 connected to the lower end portion of the second hanging portion 35 and formed to bend toward the wife side 2. The reason for this configuration will be described later.

  The second member 52 of the keraba ventilation member 12 is installed on the lower surface of the base plate 8 and is connected to the second flat part 53 provided with the rivet hole 54 and the end of the second flat part 53 on the end 2 side, A second vertical portion 59 that extends vertically downward, and a bent portion 60 that is connected to a lower end portion of the second vertical portion 59 and is bent to the side opposite to the wife side 2 are provided.

  As shown in FIGS. 8 and 9, the first member 16 and the second member 52 of the keraba ventilation member 12 indicated by the two-dot chain line are aligned with the direction indicated by the two-dot chain line arrow S. While the upper surface of the third flat portion 26 is brought into contact with the lower surface of the second flat portion 53 of the second member 52, the upper surface of the fourth flat portion 29 is simultaneously brought into contact with the lower surface of the second flat portion 53 of the second member 52. Make contact. And in order to hold | maintain this state, the rivet 45a is inserted and joined to the rivet hole 54a of the 2nd flat part 53, and the rivet hole 30 of the 4th flat part 29 from upper direction (two-dot chain line arrow R). Similarly, the rivet 45b is inserted and joined to the rivet hole 54b of the second flat part 53 and the rivet hole 27 of the third flat part 26 (two-dot chain arrow R). As a result, the first member 16 and the second member 52 of the keraba ventilation member 12 are integrated. With such a configuration, the distance between the first member 16 and the second member 52 is further stabilized in the keraba ventilation member 12 by the first partition portion 19, the second partition portion 23, and the second hanging portion 35. It has been retained. For this reason, the ventilation function is further stabilized.

  As shown in FIG. 11, in the keraba ventilation member 12, each of the first opening 20 of the first partition 19 and the second opening 24 of the second partition 23 has the same shape and three directions of eaves (FIG. 11). (Horizontal direction) at the same interval and arranged in a zigzag state in plan view. In addition, each of the third openings 32 of the first hanging portion 31 corresponds to each of the second openings 24 of the second partition portion 23 in the same shape and three directions of eaves (left and right direction in FIG. 11). They are formed at the same interval. Further, each of the fourth openings 36 of the second drooping portion 35 corresponds to each of the first openings 20 of the first partition portion 19 and has the same shape and the direction of the eaves 3 (the left-right direction in FIG. 11). They are formed at the same interval. With this configuration, the ventilation resistance is not substantially changed in each opening. Therefore, as indicated by the solid arrow T in FIG. It can ventilate through the opening in the direction of the shed 10 (downward in FIG. 11).

  Moreover, since each opening is arrange | positioned in zigzag state in planar view as shown in FIG. 11 as mentioned above, each partition of the keraba ventilation member 12 with respect to the direction (up-down direction of FIG. 12) which penetrates FIG. The holding effect of the second flat portion 53 of the entire member is stabilized. Accordingly, as shown in FIG. 12, the keraba ventilation member 12 is less likely to be deformed with respect to the load from above by the base plate 8 or the like, and the reliability of the ventilation function is further improved.

  At the time of installation, as shown in FIG. 12, when fixing the keraba ventilation member 12 to the rafter 5 located on the wife side 2 of the building 1, the lower end portion of the first hanging portion 31 of the keraba ventilation member 12 is The lower surface of the first flat portion 17 and the lower surface of the bent portion 38 of the keraba ventilation member 12 are brought into contact with the upper surface of the rafter 5 so as to be in contact with the side surface of the rafter 5 on the wife side 2. By doing in this way, since the lower end part of the 1st hanging part 31 of the keraba ventilation member 12 becomes an installation reference | standard with respect to the rafter 5, installation work becomes easy.

  Further, as shown in FIG. 12, when the trunk edge 63 is installed on the moisture permeable waterproof sheet 62, the trunk edge 63 is installed so that the upper surface of the trunk edge 63 contacts the lower surface of the bent portion 60 of the keraba ventilation member 12. Thereby, compared with the keraba ventilation member 11 shown in FIG. 1, the bent portion 60 functions as a stable installation reference for the trunk edge 63. Furthermore, intrusion of rainwater or the like from the lower side of FIG. 12 is also prevented by the bent portion 60 of the keraba ventilation member 12.

  In each of the above embodiments, the first partition portion of the keraba ventilation member is formed with the third flat portion in contact with the second flat portion at the upper end portion thereof, but the upper end of the first partition portion. As long as is in contact with the lower surface of the second flat portion, the third flat portion may be omitted.

  Moreover, in said 1st Embodiment, although the keraba ventilation member had a double-sided tape, you may integrate a 1st member and a 2nd member using other than that.

  Furthermore, in the first embodiment, the first partition portion of the keraba ventilation member is formed as a guide portion extending vertically downward and then bent upward, but the guide portion is formed. It is not necessary.

  Further, in each of the above embodiments, the second member of the keraba ventilation member has the second vertical portion, but the second vertical portion may not be provided.

  Furthermore, in said 1st Embodiment, although the keraba ventilation member engaged the 1st member and the 2nd member by the bending part, it is the 1st member and the 2nd by other methods. The member may be engaged. Or there may not be a bent part.

  Further, in the first embodiment described above, the keraba ventilation member has the first vertical portion, but the first vertical portion may not be provided.

  Furthermore, in the first embodiment, the keraba ventilation member has a specific shape and arrangement in each of the first opening and the second opening, but may have other shapes and arrangements. .

  Furthermore, in said 2nd Embodiment, although the 2nd member of the keraba ventilation member had a bending part, a bending part does not need to be.

  Furthermore, in the second embodiment described above, the keraba ventilation member engages the first member and the second member using rivets, but the first member and the second member can be engaged by other methods. The member may be engaged.

  Furthermore, in the second embodiment, the first member of the keraba ventilation member has the second partition part, but the second partition part may not be provided.

  Further, in the second embodiment, the first member of the keraba ventilation member has the first hanging part, but the first hanging part may not be provided.

  Furthermore, in the second embodiment, the first member of the keraba ventilation member has the second hanging part, but the second hanging part may not be provided.

  Furthermore, in the second embodiment, the first member of the keraba ventilation member has the fourth flat part, but the fourth flat part may not be provided.

  Further, in the second embodiment, the first hanging portion of the keraba ventilation member has its lower end positioned below the lower surface of the first flat portion. It may be located above the lower surface.

  Furthermore, in the second embodiment, the keraba ventilation member has a specific shape and arrangement in each of the first opening and the second opening, but may have other shapes and arrangements. .

  It should be noted that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.

  DESCRIPTION OF SYMBOLS 1 ... Building, 2 ... Wife side, 3 ... Eaves, 5 ... Rafter, 8 ... Field board, 11, 12 ... Keraba ventilation member, 16 ... 1st member, 17 ... 1st flat part, 19 ... 1st partition part , 20 ... 1st opening, 21 ... Guide part, 23 ... 2nd partition part, 24 ... 2nd opening, 26 ... 3rd flat part, 29 ... 4th flat part, 31 ... 1st drooping part, 32 ... 3rd opening, 35 ... 2nd drooping part, 36 ... 4th opening, 52 ... 2nd member, 53 ... 2nd flat part, 55 ... 1st perpendicular part, 56 ... opening part.

Claims (7)

A keraba ventilation member formed by bending a steel plate and used for keraba ventilation,
A first flat portion installed on the top surface of the rafter and extending in the eaves direction; and a first partition portion connected to an end of the first flat portion on the wife side and extending upward and having a first opening. A first member;
A keraba ventilation member including a second member that is installed on the lower surface of the field board and extends in the eaves direction, and includes a second flat portion that abuts the lower surface of the first partition portion.   2. The keraba ventilation member according to claim 1, wherein the first partition portion is formed by extending as a guide portion vertically downward from the end portion of the first flat portion and then bending upward. 3. The second member further includes a first vertical portion connected to an end of the second flat portion opposite to the wife side and extending downward and having an opening,
3. The keraba ventilation member according to claim 1, wherein a lower end portion of the first vertical portion is engaged with an end portion of the first flat portion opposite to the wife side. The first member further includes a second partition portion connected to an end portion of the first flat portion opposite to the wife side, extending upward and having a second opening,
The keraba ventilation member according to claim 1, wherein a lower surface of the second flat portion is in contact with an upper end of the second partition portion.   Each of the said 1st opening and the said 2nd opening is the keraba ventilation member of Claim 4 arrange | positioned in the zigzag state in planar view while being formed in the same shape and the eaves edge direction at the same space | interval. The first member is
A third flat portion connected to extend toward the wife at the upper end of the first partition portion;
A first hanging portion connected to the end of the third flat portion on the wife side and extending vertically downward until the lower end portion is located below the lower surface of the first flat portion, and has a third opening. The keraba ventilation member according to claim 4 or 5, further comprising: The first member is
A fourth flat part connected so as to extend to the opposite side of the wife side at the upper end of the second partition part;
The fourth flat portion is connected to an end opposite to the wife side and extends vertically downward. The lower end abuts against the rafter and further includes a second hanging portion having a fourth opening. The keraba ventilation member according to any one of claims 4 to 6.