JP5480493B2 - Ventilation building structure - Google Patents

Description

The present invention relates to a structure of a ventilation building applied to a roof ridge.

  Conventionally, various types of ventilation wings have been proposed. For example, Patent Document 1 discloses the one shown in FIG. This ventilation building is formed by using a ventilation device A, and the ventilation device A includes a ventilation member body 60 and a ventilation building package 15.

  The ventilation member body 60 includes the cover material 2, the base material 1, and the partition material 20. The cover material 2, the base material 1 and the partition material 20 are all formed by bending a metal plate such as a steel plate. The cover member 2 includes a top portion 21 having a substantially U-shaped cross section with an open bottom surface, cover ventilation path forming pieces 70 and 70 projecting from both lower ends of the top section 21, and tip ends of the cover ventilation path formation pieces 70. A cover rising piece 23 that protrudes substantially vertically downward, and a cover inclined piece 4 that protrudes from the lower end of each cover rising piece 23 toward the eaves side (the side opposite to the top portion 21). Is formed. In the cover ventilation path forming piece 70, a plurality of cover ventilation ports 13 penetrating in the thickness direction (vertical direction) are formed side by side along the longitudinal direction of the cover material 2. The base material 1 is formed long along the roof ridge, and includes a mounting piece 27 and a base ventilation path start-up piece 28 that protrudes downward substantially perpendicularly to the longitudinal end of the mounting piece 27. And a base ventilation path forming piece 71 projecting on the eave side (opposite side of the mounting piece 27) at the tip of the base ventilation path rising piece 28, and directed downward substantially perpendicular to the tip of the base ventilation path forming piece 71 The base rising piece 30 is provided to protrude from the lower end of the base rising piece 30 toward the eaves side (the side opposite to the base ventilation path forming piece 71). ing. A plurality of elongated base ventilation ports 14 penetrating in the thickness direction (eave building direction) are formed in the base ventilation path rising piece 28 along the longitudinal direction of the base material 1. The partition member 20 is formed long along the roof ridge, and has a substantially L-shaped cross section.

  The ventilation member body 60 is formed as follows. First, the partition member 20 is attached to the lower surface of each cover ventilation path forming piece 70 of the cover member 2. Further, the partition member 20 is attached to the upper surface of the base ventilation path forming piece 71 of the base material 1. Thereafter, the ventilation device A is formed by attaching the base material 1 attached with the partition material 20 one by one to the lower surfaces of the cover ventilation path forming pieces 70, 70 on both sides of the cover material 2 attached with the partition material 20. be able to. In this ventilation device A, a space surrounded by the cover ventilation path forming piece 70, the base ventilation path forming piece 71, the cover rising piece 23, and the base ventilation path rising piece 28 arranged opposite to the cover ventilation path forming piece 70 is a box-shaped ventilation path. 3 is formed. Further, the ventilation path 3 can be communicated with the indoor space side such as the back of a hut by a base ventilation opening 14 provided in the base ventilation path starting piece 28, and the cover ventilation opening 13 provided in the cover ventilation path forming piece 70. It can communicate with the outdoor space side. Moreover, the ventilation path 3 becomes a zigzag path like a maze by the partition piece 32 of the partition member 20 attached to the cover member 2 and the partition piece 32 of the partition member 20 attached to the base member 1. Further, a gap communicating with the ventilation path 3 is provided between the cover rising piece 23 and the base rising piece 30 and between the cover inclined piece 4 and the base inclined piece 5, and this gap is formed as a drainage gap. It is.

  As the ventilation building 15, a ceramic-type thing mainly composed of cement can be used in the same manner as the roofing material 8. The ventilation building 15 is formed in a substantially inverted U-shaped cross-section with an open bottom surface, but a gap is formed between the lower end of the side portion 15a of the ventilation building 15 and the roof material 8. The gap is formed as a ventilation port 50.

  And the ventilation building using the said ventilation apparatus A is formed as follows. An opening 11 is formed in the ridge of the roof base 10 so as to penetrate vertically. The roof base 10 is formed of a field board or the like, and the roof base 10 can be formed on the rafter 36 disposed on the purlin 35. The opening 11 is formed long along the roof ridge. On the both sides of the opening 11 in the longitudinal direction, ridge receiving brackets 37, 37 are provided. A draining drainer 12 for ventilation is disposed above the opening 11. The draining drainer 12 is formed in a cylindrical shape, and its lower end opening communicates with the opening 11. On the roof base 10, a plurality of roof materials 8, 8,... As the roofing material 8, a ceramic material having cement as a main component can be used. Further, between the receiving portions 42 and 42 having a U-shaped cross section provided at the upper ends of the pair of ridge receiving brackets 37 and 37, a long ridge ridge ridge 43 is installed in a direction perpendicular to the inclination of the roof. .

  The ventilation member main body 60 is disposed on the ridge pier 43. At this time, the ridge pier 43 is fitted below the top portion 21 of the cover material 2. Further, the cover inclined piece 4 and the base inclined piece 5 are disposed substantially parallel to the inclined surface of the roof (along the inclined surface of the roof). In addition, the upper surface of the elastic material 9 is brought into close contact with the lower surface of the base inclined piece 5 so that the elastic material 9 closes the gap between the base inclined piece 5 and the roof material 8. Then, the ventilation building 15 is disposed on the upper side of the ventilation member body 60 so as to cover the ventilation member body 60. The ventilation building 15 can be fixed by driving a fixing tool 52 such as a ring nail from the upper surface to the building pier 43.

The ventilation building formed as described above is partitioned into the first ventilation space 61 and the second ventilation space 62 by the ventilation member main body 60, and as shown by an arrow A in FIG. Ventilation can be performed by circulating air through the drainer 12, the first ventilation space 61, the base ventilation port 14, the ventilation path 3, the cover ventilation port 13, the second ventilation space 62 and the ventilation port 50 of the ventilation member body 60, Further, the ventilation of the gap between the roof base 10 and the roofing material 8 can also be performed through the same route. Here, the first ventilation space 61 is a space formed by the ventilation member body 60 and the roofing material 8 and the like (including the roof base 10), and the second ventilation space 62 is the ventilation member body 60 and the ventilation building. 15 is a space formed by 15. And even if rainwater that has entered from the ventilation port 50 reaches the ventilation path 3 through the cover ventilation port 13, the rainwater can be blocked by the partition piece 32 so that the ventilation path 3 does not enter the indoor side, As shown by the arrow b in FIG. 13, the water is drained from the ventilation path 3 to the upper surface of the roofing material 8 through the gap for drainage, whereby the waterproof performance can be enhanced.
JP 2008-057241 A

  In the conventional example as described above, the cover ventilation port 13 is provided on the upper side surface of the cover material 2 of the ventilation device A, and the base material 1 is provided below the cover ventilation port 13 to form a box shape. Rainwater that enters the A ventilation path 3 is collected in the base material 1 and drains out of the ventilation path 3 through a drainage gap. The ventilation path 3 is a box-like shape made of the cover material 2 and the base material 1. Since it is provided in the inside of the part and is designed with a narrow internal structure, it cannot be formed large, and there is a possibility that the ventilation capacity is lowered. The ventilation capacity is defined by the effective opening area determined by the size of the opening portion such as the opening 11 and the ventilation port 50 and the size of the ventilation path 3.

  Further, when forming a steep roof, the ridge side end 8a of the roof material 8 arranged closest to the ridge side is positioned above the normal gradient, so that the ridge side end of the roof material 8 is located above. The part 8a and the lower surface (box-shaped part) of the base material 1 of the ventilation device A collide with each other and interfere with each other. In general, the roof slope is 3 to 10 inches, but in the conventional example, it is 3 to 8 inches.

  Moreover, since the box-shaped part which consists of the cover material 2 and the base material 1 is provided, there existed a problem that a structure was complicated and the processing cost concerning a material cost, an assembly, etc. became high.

The present invention has been made in view of the above points, and provides a structure of a ventilation building that can keep costs low without reducing ventilation performance, without limiting the gradient of the roof. It is the purpose.

The structure of the ventilation wing according to the present invention includes a ventilation member body that is installed over an opening provided at the top of the roof base, and a ventilation wing package that is installed over the ventilation member body. In the structure of the ventilation building with
The roof slope of the roof base is formed at 16.7 to 45 °,
The ventilation member body includes a mounting portion fixed to a ridge berth above the opening, and a base material formed long along the roof ridge,
The base material includes a base body forming piece that protrudes obliquely downward from both longitudinal ends of the mounting portion toward the eaves side, and a base that protrudes downward substantially perpendicularly to the tip of the base body forming piece. A rising piece, a base inclined piece protruding from the lower end of the base rising piece toward the eaves side, and a waterproof mechanism provided on the upper surface of the base body forming piece,
The ventilation building is formed in an invariant shape, and is provided with a stepped portion that is placed on the upper surface of the base body forming piece so as to protrude to the back surface side,
The ridge side end of the roof material installed most on the ridge side is disposed between the base body forming piece and the roof base,
A first ventilation space is formed between the base main body forming piece and the ridge side end of the roof material, and a second ventilation space is formed between the ventilation member main body and the ventilation ridge wrap,
In the case where the inclination angle of the roof material varies according to the change of the roof gradient from a gentle gradient of 16.7 to 45 ° to a steep gradient, the ridge side end of the roof material is the base body forming piece. The size between the base main body forming piece and the ridge side end of the roof material is formed so as to fit in the first ventilation space without hitting the lower surface of the roof.

In the present invention, the base main body forming piece is formed with a vent hole for venting the first vent space and the second vent space, and the waterproof mechanism is provided with rainwater or the like to the vent hole and the opening. It is preferable that the ventilation wing encloses the ventilation member main body and has a ventilation opening that allows communication between the outdoors and the indoors through the ventilation holes.

In the present invention, the ventilation member main body is arranged above the opening so as to span between the ridge side ends of the roofing material installed on the ridge side uppermost part across the opening, The base material in which the vent hole is formed so as to be located on the eave side with respect to the opening in a plan view, and disposed above the vent hole so that the eave side tip is located on the eave side in the plan view. The first baffle plate as the waterproof mechanism, and the waterproof mechanism erected on the outer surface of the base material so as to be located on the eave side from the eave side end of the first baffle plate in plan view Provided with a second baffle plate, and the ventilating wing is provided with the ventilation port at the eaves side tip so that air can enter and exit between the eaves side tip and the roofing material. Preferably it consists of:

In the present invention, it is preferable that the eaves side front end portion of the first baffle plate is suspended.

In the present invention, it is preferable that the tip of the second baffle plate protrudes toward the eaves side .

In the present invention, it is possible to roof slope even if construction different various roof under ground, ridge-side edge portion of the roofing placed on the most ridge side to avoid exposure to the ventilation member Body, roof Even if the slope is steep, it can be constructed and the roof slope limit is not expanded, and the conventional box-like part is not necessary, and the ventilation performance does not deteriorate In addition, the cost can be kept low.

Further, the base body forming piece is formed with a ventilation hole for allowing the first ventilation space and the second ventilation space to vent, and the waterproof mechanism prevents intrusion of rainwater or the like into the ventilation hole and the opening. follicle, the ventilation member body to the exterior, if having a ventilation port in communication with outdoor and indoor through the vent holes, the roof slope even if construction different various roof under ground, placed on the most ridge side be ridge-side end portion of the roofing ventilation member body can prevent exposure to waterproof Organization of and can be roof slope to construction even steep expanding gradient limit roof In addition, a box-like portion as in the prior art is no longer necessary, the ventilation performance is not lowered, and the cost can be kept low.

In addition, the ventilation member body is arranged above the opening so as to span between the ridge-side ends of the roofing material installed on the ridge-side uppermost portion across the opening. A base material in which a vent hole is formed so as to be located on the side, and a first baffle plate as a waterproofing mechanism disposed above the vent hole so that the eaves side tip is located on the eave side in plan view, A second baffle as a waterproofing mechanism erected on the outer surface of the base material so as to be located on the eave side from the eave side end of the first baffle in plan view, to from between the Nokigawa tip and roofing material and allow entry and exit of air, the case of providing a vent in Nokigawa tip, rainwater between the first baffle and the second baffle plate to the opening Can be prevented, and waterproofness can be increased.

Moreover, when the eaves side front-end | tip part of the 1st baffle plate is hung down, infiltration of rain water from a vent can be prevented and waterproofness can be made high.

Further, when projecting the distal end of the second baffle the eaves side, it is possible to prevent the intrusion of vent or these rainwater, is capable to increase the waterproof.

  Hereinafter, the best mode for carrying out the present invention will be described.

  FIG. 1 shows an example of a ventilation building. This ventilation building is formed with a ventilation device A. As the ventilation device A, a device provided with a ventilation member body 60 and a ventilation building package 15 can be used.

  The ventilation member main body 60 of the present invention is formed long along the roof ridge, and includes the base material 1 and the first and second baffle plates 64 and 56. The base material 1 and the first and second baffle plates 64 and 56 are both formed by bending a metal plate such as a steel plate and the like so that the angle can be adjusted according to the roof gradient. Yes. Here, “the angle can be adjusted according to the roof slope” means that the shape of the ventilation member body 60 can be changed by changing the angle of the ventilation member body 60 according to the roof slope. That is, as will be described later, the ventilation member main body 60 has the vent hole covering pieces 22 and 22 on both sides of the top portion 21, and the angle between the vent hole covering pieces 22 and 22 is bent according to the roof gradient. Can be changed. In addition, the ventilation member body 60 is formed by connecting the attachment portion 27, the base body formation piece 29, and the base rising piece 30, as will be described later, but the angle between the attachment portion 27 and the base body formation piece 29. In addition, the angle between the base body forming piece 29 and the base rising piece 30 can be changed by bending according to the roof gradient. In addition, the ventilation member body 60 has a spring effect (elastic force) of a metal plate, and this spring effect facilitates the pressing of an elastic material (waterproofing material) 9 described later and the linearity of the arrangement of the ventilation building 15. Can be secured.

  The first baffle plate 64 is formed as a waterproof mechanism 63 long along the roof ridge, and as shown in FIGS. 2 (a) and 2 (b), both the flat top portion 21 and the top portion 21 are formed. The vent hole covering pieces 22, 22 projecting obliquely downward from the longitudinal end portions of the respective vent hole covering pieces 22, and a draining piece 55 projecting downward substantially perpendicularly to the tip of each vent hole covering piece 22. ing.

  The base material 1 is formed long along the ridge portion of the roof. As shown in FIGS. 2A and 2B, the mounting portion 27 having a substantially U-shaped cross section with an open bottom surface, and the mounting portion 27. The base main body forming piece 29 protrudes obliquely downward from both longitudinal end portions toward the eaves side (opposite side of the attachment portion 27), and protrudes downward substantially perpendicularly to the tip of the base main body forming piece 29. The base rising piece 30 and the base inclined piece 5 protruding from the lower end of the base rising piece 30 toward the eaves side (the side opposite to the base main body forming piece 29) are formed. The base body forming piece 29 is provided with a plurality of elongated vent holes 13, 13... Penetrating in the thickness direction (vertical direction). The vent holes 13 are formed side by side along the longitudinal direction of the cover member 2 at the base portion of the base body forming piece 29 (in the vicinity of the connection portion with the mounting portion 27). Further, as shown in FIG. 2C, a rising portion 57 projects from the peripheral edge of the vent hole 13. The raised portion 57 can be formed so as to surround the vent hole 13 by deforming a part of the metal plate of the base material 1 so as to protrude to the surface side at the peripheral edge portion of the vent hole 13 (burring process). . A waterproof sealer formed of EPDM or the like is attached to the lower surface (back surface) of both end portions in the longitudinal direction of the base material 1.

  The second baffle plate 56 is formed long as a waterproofing mechanism 63 along the roof ridge, and includes a fixed piece 31 and a water shielding plate 32 that protrudes substantially perpendicularly to the longitudinal end of the fixed piece 31. And a waterproof piece 33 that protrudes in the same direction as the fixed piece 31 at the upper end of the water shielding plate 32 and has a substantially U-shaped cross section.

  The ventilation member body 60 is formed as follows. First, the first baffle plate 64 is attached on the base material 1. At this time, after the top portion 21 of the first baffle plate 64 is placed on the upper surface of the mounting portion 27 of the base material 1, the top portion 21 and the mounting portion 27 can be joined with a rivet or the like. In addition, each of the vent hole covering pieces 22 of the first baffle plate 64 attached to the base material 1 protrudes toward the eaves side with respect to the attachment portion 27 and is arranged so as to cover the upper side of the vent hole 13. Then, the eaves-side tip of the vent hole covering piece 22 is arranged above the vent hole 13 so as to be located on the eave side with respect to the vent hole 13 in plan view, thereby preventing rainwater or the like from falling into the vent hole 13. It is something that can be done. Furthermore, rainwater etc. can be more reliably dropped to the eaves side than the vent hole 13 by arrange | positioning in the state which the draining piece 55 hung down.

  Next, the second baffle plate 56 is attached on the base material 1. At this time, after the fixing piece 31 of the second baffle plate 56 is placed on the upper surface of the base main body forming piece 29 of the base material 1, the fixing piece 31 and the base main body forming piece 29 can be joined with a rivet or the like. The second baffle plate 56 is attached to each of the base body forming pieces 29 one by one, and each second baffle plate is located on the eave side from the eave side end portion of the first baffle plate 64 in plan view. Thus, the second baffle plate 56 is raised between the first baffle plate 55 and the ventilation port 50 when the ventilation member body 60 is constructed. Can be provided. In addition, the fixing piece 31 and the waterproof piece 33 of the second baffle plate 56 are directed to the eaves side (the side opposite to the vent hole 13), so that when the ventilation member body 60 is constructed, the ventilation port 50 side is provided. The fixed piece 31 and the waterproof piece 33 can be protruded toward. With this waterproof piece 33, the inflow direction of rainwater or the like blown from the ventilation port 50 in a strong wind or the like can be changed so as to be directed to the ventilation port 50, and the intrusion of rainwater into the opening 11 can be prevented. It is. Further, a ventilation gap 58 is formed between the water blocking piece 32 of the second baffle plate 56 and the first baffle plate 55, and the water blocking piece 32 and the side surface of the mounting portion 27 are arranged to face each other. Has been.

  Next, the shape of the ventilation building 15 will be described in detail. A mountain-shaped top 65, a first inclined piece 66 extending downward from the eaves-side end of the mountain-shaped top 65, a step-forming piece 67 extending from the lower end of the first inclined piece 66 at substantially the same angle as the mountain-shaped top, A second inclined piece 68 extending downward from the eaves side end of the part forming piece 67 is provided. In this ventilation building 15, the ventilation building 15 is installed on the most ridge side in a space formed below the step portion 15 b formed between the first inclined piece 66 and the step portion forming piece 67. The ridge side end portion 8a of the roofing material 8 is designed so as to contain a trajectory that moves in accordance with each roof slope in a predetermined range (for example, a range of 3 to 10 inches). In addition, the protruding portion on the back surface side of the step portion forming piece 67 is placed on the eave side upper surface of the base body forming piece 29 of the ventilation member main body 60, whereby the ventilation building 15 is stably constructed, and the ventilation member The back surface of the base inclined piece 5 of the main body 60 is pressed against the elastic material 9 to ensure waterproofness.

  In forming a ventilation building using the ventilator A of the present invention described above, it is performed as follows. First, as shown in FIG. 3, an opening portion 11 penetrating vertically is formed in a ridge portion of the roof base 10. The roof base 10 can be formed of a field board or the like. A rafter 36 can be disposed on the purlin 35 and the roof base 10 can be disposed on the rafter 36. The opening 11 is formed long along the roof ridge. In addition, ridge receiving brackets 37 and 37 are provided on both sides of the opening 11 in the longitudinal direction. The ridge receiving bracket 37 is erected on the upper surface of the roof base 10 by attaching the attachment piece 38 provided at the lower end thereof to the roof base 10 on both sides with the ridge portion interposed therebetween with screws 39. Next, as shown in FIG. 4, a draining drainer 12 for ventilation is disposed above the opening 11. The draining drainer 12 is formed by a cylindrical portion 40 and support pieces 41 and 41 provided at the lower end thereof, and the support pieces 41 and 41 are fixed to the roof base 10 on both sides across the ridge portion by a fixing tool such as a screw or a nail. By mounting at 80, it is erected on the upper surface of the roof base 10. Further, sealing is applied to the outer periphery of the draining drainer 12 so as to close the gap with the roof base 10. In addition, a dew proof material is provided on the inner peripheral surface of the cylindrical portion 40. And the lower end opening of the cylinder part 40 is arrange | positioned in communication with the opening part 11. As shown in FIG.

  Next, as shown in FIG. 5, a plurality of roofing materials 8, 8... Are disposed on the roof base 10 via a waterproof sheet (underlaying material). As the roofing material 8, a ceramic material having cement as a main component can be used. The roofing materials 8 and 8 adjacent in the left-right direction (direction perpendicular to the inclination of the roof) are arranged by superimposing the fruits formed at the side ends. Note that the roof materials 8 and 8 may be abutted against each other without being limited to this structure. Moreover, the roof materials 8 and 8 adjacent to the eave building direction (the inclination direction of the roof) are the eaves of the roof material 8 arranged on the ridge side on the upper surface of the ridge side end portion of the roof material 8 arranged on the eave side. Place the side edges. Further, the attachment piece 38 of the ridge receiving bracket 37 and the support piece 41 of the discarded drainer 12 are covered and covered by the roof material 8, but the upper end receiving portion 42 of the ridge receiving bracket 37 and the cylindrical portion 40 of the discarded drainer 12 are covered. The upper end is located above the roof material 8. The ridge side end of the roofing material 8 is fixed to the roof base 10 with a fixture 46 such as a nail. Next, as shown in FIG. 6, a square ridge that is long in a direction orthogonal to the inclination of the roof between the receiving portions 42 and 42 having a U-shaped cross section provided at the upper ends of the pair of ridge receiving brackets 37 and 37. A pier 43 is installed. At this time, a gap is formed between the upper opening of the cylinder portion 40 and the ridge pier 43. Next, as shown in FIG. 7, the elastic material 9 is disposed on the upper surface of the roof material 8. The elastic material 9 is long disposed in a direction orthogonal to the inclination of the roof, and can be formed of, for example, a waterproof sealer. Further, when the elastic material 9 is arranged, the face door 45 is temporarily placed and the arrangement position of the elastic material 9 is determined. In this way, the elastic members 9, 9 can be disposed on the top surfaces of the roof members 8, 8 on both sides of the ridge. Next, as shown in FIG. 8, a pair of face doors (dry face doors) 45, 45 are provided. The cross-sectional shape of the face door 45 is substantially the same as the cross-sectional shape of the base member 1 of the ventilation member main body 60, and the material is the same. Further, the face door 45 is disposed over substantially the entire length of the ridge pier 43 except for the upper portion of the opening 11 and the drainage drainer 12, and a waterproof sheet (lower glazing material) is provided between the face door 45 and the ridge pier 43. It has been. Further, the lower surface of the end portion of the face door 45 is in close contact with the upper surface of the elastic material 9. Further, the face door 45 may be a flexible metal sheet member provided with an adhesive material on the back surface side. In this case, the elasticity of the portion corresponding to the face door 45 The material 9 becomes unnecessary.

Next, as shown in FIG. 9, the ventilation device A is disposed on the ridge pier 43 above the opening 11 between the face doors 45, 45. At this time, the ridge pier 43 is fitted below the top portion 21 of the base material 1 . Further, the base inclined piece 5 is disposed substantially parallel to the inclined surface of the roof (along the inclined surface of the roof). In addition, the upper surface of the elastic material 9 is brought into close contact with the lower surface of the base inclined piece 5 so that the elastic material 9 closes the gap between the base inclined piece 5 and the roof material 8. Further, both end portions of the ventilation member main body 60 in the longitudinal direction are overlapped with the end portions of the face doors 45. At this time, the waterproof sealer ensures the waterproof property of the joint between the face door 45 and the ventilation member main body 60. Next, as shown in FIG. 10, a ridge package 47 is disposed on one face door 45 so as to cover the face door 45. Next, as shown in FIG. 11, the ventilation building 15 is disposed on the upper side of the ventilation member body 60 so as to cover the ventilation member body 60. Next, as shown in FIG. 12, another wing 47 is arranged on the other face door 45 so as to cover the face door 45. Here, similarly to the roofing material 8, the ventilation building package 15 and the building package 47 can be ceramics based on cement as a main component. Also, the ventilation building 15 and the building 47 have substantially the same cross-sectional shape, are formed in a substantially inverted U-shaped cross-section with the lower surface opened, and the side portion 15a of the ventilation building 15 that is the second inclined piece 68. Is formed to be shorter than the side portion 47 a of the ridge package 47.

  Accordingly, the lower end of the building parcel 47 is in contact with the upper surface of the roofing material 8, but a gap is formed between the lower end of the ventilation building parcel 15 and the roofing material 8. It is formed as. Further, the ridge package 47 and the ventilation ridge package 15 are overlapped at the overlap margin 51. Then, the ridge wrap 47 and the ventilation ridge wrap 15 can be fixed by driving a fixture 52 such as a ring nail from the upper surface to the ridge pier 43.

  The ventilation ridge formed as described above has an opening 11 from the back of the hut, a cylindrical portion 40 of a draining drain 12, a first ventilation space 61, and a ventilation hole 13 of the ventilation member main body 60, as indicated by an arrow A in FIG. 1. , Ventilation can be performed by circulating air through the ventilation gap 58, the second ventilation space 62, and the ventilation port 50. Here, the first ventilation space 61 is a space formed by the ventilation member body 60 and the roofing material 8 and the like (including the roof base 10), and the second ventilation space 62 is the ventilation member body 60 and the ventilation building. 15 is a space formed by 15. Further, the rainwater blown from the ventilation port 50 can be blocked by the first and second baffle plates 64 and 56 so as not to enter the ventilation hole 13, and the ventilation building package 15 as shown by an arrow b in FIG. It drains to the upper surface of the roofing material 8 through the gap between the lower end of the roofing material 8 and the upper surface of the roofing material 8, thereby improving the waterproof performance. Moreover, since the vent hole 13 is located on the eaves side from the opening 11, even if rainwater enters from the vent hole 13, it falls (flows down) on the roofing material 8 or the roof base 10 and is drained. It will be. Further, in the ventilator A of the present invention, the first baffle plate 64 is provided to hang down above the base body forming piece 29 of the base material 1, and the second baffle plate 56 is provided to the base body forming piece 29 of the base material 1. Since the first and second baffle plates 64 and 56 protrude toward the ridge top 53 side, the first and second baffle plates 64 and 56 are formed on the lower surface of the base body forming piece 29. Even if the inclination angle of the roof material 8 changes when it is constructed on a plurality of types of roof bases 10 that do not protrude and have different roof gradients, the bottom surface of the base body forming piece 29 of the base material 1 and the ridge side end of the roof material 8 Therefore, a space is formed between the roof member 8a and the waterproof member 63 including the first and second baffle plates 64 and 56 of the ventilation member main body 60. 8 outside the track where the ridge-side end 8a moves according to the roof slope (on the ridge top 53 side) Even if the roof slope is steep, the ridge side end portion 8a of the roof material 8 can be prevented from hitting the lower surface of the base body forming piece 29 of the base material 1, and the roof slope can be reduced. 3 to 10 inches can be accommodated.

It is sectional drawing of the construction state which shows an example of embodiment of this invention. (A) is an exploded perspective view, (b) is a sectional view, and (c) is a partial sectional view. It is a perspective view which shows a part of formation process of a ventilation building same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is a perspective view which shows a part of formation process same as the above. It is sectional drawing which shows a prior art example.

Explanation of symbols

1 Base material
5 Base inclined piece 8 Roof material 8a Building side edge 10 Roof base 11 Opening portion 13 Ventilation hole 15 Ventilation building package 15b Step
27 Mounting portion 29 Base body forming piece
30 Base startup piece
43 Building pier 50 Ventilation port 53 Building top 56 Second baffle plate 60 Ventilation member body
61 First ventilation space
62 2nd ventilation space 63 Waterproofing mechanism 64 1st baffle plate 65 Mountain-shaped top part 67 Step part formation piece

Claims (5)

In the structure of the ventilation building comprising a ventilation member body installed over the opening provided in the ridge top of the roof base, and a ventilation building package installed over the ventilation member body ,
The roof slope of the roof base is formed at 16.7 to 45 °,
The ventilation member body includes a mounting portion fixed to a ridge berth above the opening, and a base material formed long along the roof ridge,
The base material includes a base body forming piece that protrudes obliquely downward from both longitudinal ends of the mounting portion toward the eaves side, and a base that protrudes downward substantially perpendicularly to the tip of the base body forming piece. A rising piece, a base inclined piece protruding from the lower end of the base rising piece toward the eaves side, and a waterproof mechanism provided on the upper surface of the base body forming piece,
The ventilation building is formed in an invariant shape, and is provided with a stepped portion that is placed on the upper surface of the base body forming piece so as to protrude to the back surface side,
The ridge side end of the roof material installed most on the ridge side is disposed between the base body forming piece and the roof base,
A first ventilation space is formed between the base main body forming piece and the ridge side end of the roof material, and a second ventilation space is formed between the ventilation member main body and the ventilation ridge wrap,
In the case where the inclination angle of the roof material varies according to the change of the roof gradient from a gentle gradient of 16.7 to 45 ° to a steep gradient, the ridge side end of the roof material is the base body forming piece. The structure of the ventilation wing is characterized in that a dimension between the base body forming piece and the ridge side end of the roof material is formed so as to fit in the first ventilation space without hitting the lower surface of the roof. Wherein the base to the body forming members vents for venting said the first ventilation space second ventilation space is formed, the waterproof mechanism intended to prevent the infiltration of rainwater into the air holes and the opening 2. The structure of a ventilation building according to claim 1, wherein the ventilation building package has a ventilation port that externally covers the ventilation member main body and communicates between the outside and the inside through the ventilation hole . The ventilation member body is
It is arranged above the opening so as to span between the ridge-side ends of the roof material installed on the ridge-side uppermost portion across the opening, and is located on the eaves side with respect to the opening in plan view. It said base member said vent holes are formed as,
A first baffle plate eaves side tip as the waterproof mechanism disposed above the vent hole so as to be positioned eaves side of the vent hole in a plan view,
Becomes a second baffle plate as said first baffle the waterproof mechanism provided upright on an outer surface of the base member so as to be positioned eaves side from the eaves side end of the in plan view,
The ventilation building package is
Its Nokigawa tip and to allow ingress and egress of air from between the roof material, ventilation building structure according to claim 2, characterized by comprising providing said vent to Nokigawa tip. 4. The structure of a ventilation building according to claim 3, wherein the eaves side tip of the first baffle plate is provided to hang down. 5. The structure of a ventilation building according to claim 3 or 4, wherein a tip end portion of the second baffle plate is provided so as to protrude toward the eaves side.

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