JP6145835B2 - Eaves ventilator hardware and eaves ventilator - Google Patents

Description

  The present invention secures a ventilation passage attached to an outer wall near the attic, and ventilates the eaves through the ventilation passage, and a non-combustible high-temperature expansion material is attached to the eaves ventilation fitting. It relates to the eaves ventilator constructed.

  As a conventional eaves-side ventilation device, for example, a side end of a non-combustible ceiling panel is placed in a U-shaped ceiling panel support bracket with bent reinforcing ribs that can sandwich the ceiling panel above and below the entrance opening. The edge is inserted and supported to a predetermined depth, and a bent step portion is provided in a substantially central portion of the lower surface of the ceiling plate support bracket in parallel with the inlet opening, and at the lower portion of the bent step portion. A nonflammable volume high-temperature expansion material is attached, and a number of ventilation holes are provided in the vicinity of the inlet opening on the lower surface of the ceiling plate support bracket and at predetermined positions on the upper surface, respectively. A ventilation air passage having a U-shaped cross section that communicates from the lower ventilation hole to the upper ventilation hole is provided between the side edge and the side edge, and is proposed as a patent (for example, Patent Document 1). reference.).

  In addition, the lower part of the ventilation passage is opened to the outside or the inside of the room, and a ventilation hole is provided in the ceiling, and the entrance opening is narrow at a predetermined position on the standing surface, and the back part is widened. An open and closed valve (flap) that can close the ventilation passage when wind or rain enters the ventilation passage is formed so that the bottom of the opening and closing valve is wide. The opening and closing valve mounted in the fitting recess is provided with a recess at a predetermined position below the fitting recess on the standing surface. The tip of the part is located above the entrance opening of the recess, and the wind that has entered the ventilation passage passes through the recess and rotates against the operating portion of the on-off valve, so that the operating portion closes the ventilation passage Some have been proposed and patented (for example, see Patent Documents 2 and 3).

Japanese Patent No. 3268024 Japanese Patent No. 4022058 Japanese Patent No. 4478691

  However, in the eaves back ventilation device of Patent Document 1 described above, the front end of the eaves board is inserted into the device and the eaves board itself is also configured to form a ventilation passage. In order to form a predetermined ventilation passage at a certain interval between the device and the inner wall of the apparatus, skilled work is required. Therefore, in the case of an operator who is not familiar with the work, if the tip of the eaves board is inserted too much, the tip abuts against the inner wall of the device, blocking the ventilation passage and making ventilation impossible. There is.

  Moreover, in the eaves back ventilation apparatus of the above-mentioned patent document 1, when insertion of the front-end | tip of an eaves board is insufficient, even if a high temperature expansion material expand | swells, a ventilation channel | path will not be interrupted | blocked, and a flame and hot air will be in the back of an eaves. There is a risk of intrusion.

  Moreover, in the eaves back ventilation apparatus of the above-mentioned patent documents 2 and 3, since the surface which opposes a high-temperature expansion material inclines in the direction away from a high-temperature expansion material, and it is formed so that a ventilation channel may spread, so that it approaches a slit. Even if the high-temperature expansion material expands due to high heat, if the expansion is insufficient, the ventilation passage may not be blocked.

  Furthermore, in the eaves ventilator of the above-mentioned patent documents 2 and 3, when wind and rain intrude into the ventilation passage, it is operated by the wind pressure to close the ventilation passage and prevent the rain from entering the eaves. Since the (flap) is provided, there is a problem that the parts cost is increased by the amount of the on-off valve and the mounting work is troublesome. In particular, the on-off valve (flap) is made of rubber so that it can be operated by wind pressure, so it is vulnerable to heat and is susceptible to deterioration over time, preventing rain from entering the back of the eaves for a long period of time. It was difficult, and it was necessary to replace it regularly as described in the specifications of Patent Documents 2 and 3.

  Therefore, the present invention has been made paying attention to such a problem. Firstly, it is possible to prevent as much as possible an error in the insertion work of the eaves board, such as excessive insertion and insufficient insertion of the eaves board, and secondly, Eaves ventilating hardware that can prevent rain from entering the back of the eave without providing an on-off valve (flap), and third, eaves that can reliably block the ventilation passage even when the high-temperature expansion material is insufficiently expanded The purpose is to provide a back ventilator.

In order to solve the above-mentioned problem, the eaves ventilating hardware according to the present invention is provided away from the outer wall so as to provide an entrance of the ventilation passage between the outer wall and the eaves having a U-shaped cross section that accommodates the front end of the eaves board. The top of the top board and the top of the top of the eaves board are connected to the upper surface of the eaves board and extend in the direction away from the outer wall. The vent passage forming standing surface, and extending from the upper end portion of the vent passage forming standing surface so as to approach the outer wall and projecting toward the outer wall side from the eaves board front end accommodating portion, A ventilating passage forming portion comprising a ventilating passage forming upper surface that secures an entrance of the ventilating passage and an outer wall attaching portion that is bent from the ventilating passage forming upper surface and is attached to the outer wall. The formation rising surface is provided with a ventilation slit to allow air that has passed through the ventilation passage to pass through the attic, while rainwater entering from the entrance of the ventilation passage is prevented between the ventilation passage formation rising surface and the outer wall mounting portion. The rainwater intrusion prevention plate is provided with a rainwater intrusion prevention plate, and the rainwater intrusion prevention plate has a U-shaped cut in the lower surface of the ventilation passage formation, and a ventilation passage formation standing surface surrounded by the cut is provided. It is provided by being bent so as to be close to the upper surface of the ventilation passage and starting up from the lower surface of the ventilation passage .
Features.
Here, in the above Kinokiura ventilation fittings, rain water entering prevention plate, it is preferable to be provided on the outer wall side of the ventilation slits.
Further, another eaves ventilating hardware according to the present invention is provided at a distance from the outer wall so as to provide an entrance of the ventilation passage between the outer wall and the front end of the eaves board having a U-shaped cross section that accommodates the front end of the eaves board. A ventilation passage forming lower surface extending in a direction away from the outer wall that is continuous with the upper surface of the housing portion and the top of the eaves board, and a ventilation passage that stands up by bending the end of the ventilation passage forming lower surface opposite to the outer wall. The standing upright surface and the ventilation passage forming upstanding surface are bent from the upper end of the standing upright surface so as to approach the outer wall and extend to the outer wall side beyond the eaves board front end housing part, and between the eaves board front end housing part and the outer wall. It has a ventilation passage forming portion comprising a ventilation passage forming upper surface that secures the entrance of the ventilation passage, and an outer wall attaching portion that is bent from the ventilation passage forming upper surface and is attached to the outer wall, and is provided on the ventilation passage forming upper surface or the ventilation passage forming standing surface. A rainwater intrusion prevention plate for preventing rainwater entering from the entrance of the ventilation passage is provided between the ventilation passage formation rising surface and the outer wall mounting portion, while providing a ventilation slit for passing the air passing through the ventilation passage through the attic. The ventilation passage formation upper surface is formed by making a plurality of cuts in the U-shape on the upper surface of the ventilation passage formation and bending the standing side of the ventilation passage formation closer to the lower surface of the ventilation passage formation. In addition to providing a ventilation slit, a rainwater intrusion prevention plate descending from the upper surface of the ventilation passage is provided .
Here, in the above-described eaves-back ventilation hardware, it is further preferable that the eaves top board front end receiving portion is provided with an eaves top board guide surface that is inclined by bending the front end of the bottom surface obliquely downward.
Further, the eaves ventilator according to the present invention uses any of the above eaves ventilating hardware, and is located between the ventilation passage forming standing surface and the rainwater intrusion prevention plate in the longitudinal direction of the eaves ventilating hardware. It is characterized by sticking a non-combustible high-temperature expansion material that expands at a high temperature such as a fire and closes the ventilation passage.

In the eaves ventilating hardware of the present invention, the eaves board ventilation fittings are provided with an eaves board front end accommodating portion having a U-shaped cross section that accommodates the eaves board front end. The mistake of the insertion work can be prevented as much as possible.
In particular, in the eaves-back ventilation hardware of the present invention , a U-shaped cut is made on the lower surface of the ventilation passage formation, and the ventilation passage formation standing surface surrounded by the cut is bent so as to approach the upper surface of the ventilation passage formation. By installing a rainwater intrusion prevention plate by raising it from the bottom surface of the formation, or by making multiple cuts in the U shape on the top surface of the ventilation passage and folding it so that the rising surface side of the ventilation passage formation approaches the bottom surface of the ventilation passage Since a ventilation slit is provided on the upper surface of the ventilation passage and a rainwater intrusion prevention plate that is lowered from the upper surface of the ventilation passage is provided, it is possible to prevent rain from entering the back of the eaves without providing an opening / closing valve (flap).
Furthermore, in the eaves ventilator according to the present invention, when the non-flammable high-temperature expansion material is provided between the ventilation passage formation rising surface and the rainwater intrusion prevention plate, the ventilation passage is surely secured even when the non-combustible high-temperature expansion material is insufficiently expanded. Can be blocked.

It is a front view which shows the use condition of the eaves back ventilation apparatus of Embodiment 1. FIG. It is a perspective view at the time of seeing the eaves back ventilation metal fitting of Embodiment 1 from diagonally upward of a ventilation slit. It is a perspective view at the time of seeing the eaves back ventilation metal fitting of Embodiment 1 from the rainwater infiltration prevention board side. It is a front view of the eaves back ventilation apparatus of Embodiment 1. It is a top view of the eaves back ventilation apparatus of Embodiment 1. It is a right view of the eaves back ventilation apparatus of Embodiment 1. It is a left view of the eaves back ventilation apparatus of Embodiment 1. It is the left view which notched a part of ventilation passage formation standing surface in the eaves back ventilation apparatus of Embodiment 1. FIG. It is a bottom view of the eaves back ventilation apparatus of Embodiment 1. It is the sectional view on the AA line of the eaves back ventilation apparatus shown in FIG. It is a front view of the eaves back ventilation apparatus of Embodiment 1 which provided the reinforcement rib in the ventilation path formation standing surface. It is a left view of the eaves back ventilation apparatus of Embodiment 1 which provided the reinforcement rib in the ventilation path formation standing surface. It is a perspective view of the eaves back ventilation apparatus of Embodiment 2 which lowered | hung the rainwater infiltration prevention board from the ventilation channel | path formation upper surface.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an eaves ventilator according to the present invention will be described in detail with reference to the accompanying drawings. The following embodiment is an example of the present invention, and the present invention is not limited to the following embodiment, and can be appropriately changed within the scope of the technical idea of the present invention.

  As shown in FIG. 1, the eaves ventilator 1 is attached to an outer wall 2 close to the attic and sends air from the outside to the attic via a ventilation passage secured by the eaves ventilation hardware 11, or On the contrary, ventilation is performed, and at the time of high temperature such as a fire, the ventilation passage is closed by a nonflammable high-temperature expansion material 12 provided in the eaves-back ventilation hardware 11. In FIG. 1, 3 is an eaves board, 4 is a roof, and 5 is a nose cover. Further, in Embodiments 1 and 2, the incombustible high-temperature expansion material 12 is attached to the eaves ventilating hardware, but in the present invention, it is not essential to provide the non-combustible high-temperature expansion material 12, May be omitted.

  As shown in FIGS. 2 to 10, the eaves ventilating hardware 11 is formed by bending or cutting a single metal plate. The eaves board front end accommodating portion 11A, the ventilation passage forming portion 11B, The outer wall mounting portion 11E is configured. In addition, in the perspective view shown in FIG. 2 and FIG. 3, the state which has not affixed the nonflammable high temperature expansion material 12 to the eaves ventilator 1, ie, the perspective view of the eaves ventilation metal fittings 11 is shown.

  The eaves board front end accommodating portion 11 </ b> A is provided apart from the outer wall 2 in order to provide an entrance for the ventilation passage between the outer wall 2 and the eaves board 3 hits the front end to accommodate the eaves board 3. As shown in FIG. 4 and FIG. 10, etc., the bottom portion of the top board tip accommodating portion 11A has an eave top board guide surface 11a1 that is obliquely bent and inclined. Thereby, in this eaves-side ventilation hardware 11, since the eaves board 3 is accommodated by the front end of the eaves board 3 hitting the back side of the eaves board front end storage part 11A, the eaves board 3 is inserted too much. Therefore, it is possible to prevent a mistake in the insertion work of the eaves board 3 such as insufficient insertion.

  Further, as shown in FIG. 4 and FIG. 10 and the like, the eaves board guide surface 11a1 of the eaves board front end accommodating part 11A is bent and inclined downward, so When inserting into the board front end accommodating part 11A, the inclined eaves board guide surface 11a1 guides the front end of the eaves board 3 to the inner part of the eaves board front end accommodating part 11A. In addition to the improvement, it is possible to further prevent an error in the insertion work of the eaves board 3 such as excessive insertion and insufficient insertion of the eaves board 3.

  As shown in FIGS. 4 and 10, the ventilation passage forming portion 11 </ b> B is continuous with the upper surface of the eaves board front end accommodating portion 11 </ b> A and extends in the direction away from the outer wall 2. A ventilation passage forming standing surface 11c that is bent and standing up at the end opposite to the outer wall 2 in 11b, and an eaves board front end accommodating portion that is bent so as to approach the outer wall 2 from the upper end of the ventilation passage forming standing surface 11c. It has a ventilation passage forming upper surface 11 d that extends to protrude toward the outer wall 2 side from 11 A and secures the entrance of the ventilation passage between the eaves board front end accommodating portion 11 A and the outer wall 2.

  As shown in FIG. 2 and FIG. 5 and the like, the ventilation passage forming upper surface 11d has a narrow and long hole in the short direction of the eaves ventilating hardware 11 so that the air passing through the ventilation passage is passed through the attic. A plurality of shaped ventilation slits 11 d 1 are provided at predetermined intervals in the longitudinal direction of the eaves-back ventilation hardware 11. Here, the shape of the ventilation slit 11d1 is made narrow in the longitudinal direction of the eaves ventilation hardware 11 because foreign objects such as small dust and small creatures such as insects and bees pass through the ventilation passage on the attic or the back of the ceiling. This is to prevent intrusion. The ventilation slit 11d1 is sufficient if it is possible to send air from the outside to the attic through the ventilation passage secured by the eaves ventilation hardware 11, or to perform ventilation in the opposite direction. You may make it provide not only in ventilation path formation upper surface 11d but in ventilation path formation standing surface 11c.

  As shown in FIGS. 2 and 3 and the like, a plurality of U-shaped cuts are made at predetermined intervals in the longitudinal direction of the eaves ventilating hardware 11, and the ventilation passage surrounded by the cuts is formed on the lower surface 11b of the ventilation passage. By bending and rising from the ventilation passage formation lower surface 11b so that the formation rising surface 11c side approaches the ventilation passage formation upper surface 11d, between the ventilation passage formation rising surface 11c and the outer wall attachment portion 11E, A plurality of rainwater intrusion prevention plates 11b1 for preventing rainwater entering from the entrance of the ventilation passage are provided upright at predetermined intervals in the longitudinal direction.

  Here, the longitudinal width of the eaves ventilating hardware 11 of the plurality of rainwater intrusion prevention plates 11b1 is the longitudinal width of the eaves ventilating hardware 11 of the ventilation slit 11d1, as shown in FIGS. It is larger than the width. This is because the narrow ventilation slit 11d1 prevents entry of foreign objects such as small dust and small creatures such as insects and bees into the back of the eaves. This is because the purpose is to prevent the intrusion of leaves, small birds, large garbage, etc. entering through the ventilation passage as well as the rain that blows up. In addition, the area of the rainwater intrusion prevention plate 11b1 is determined in consideration of the ventilation area in the eaves back ventilation hardware 11. Further, the bending angle of the rainwater intrusion prevention plate 11b1 with respect to the ventilation passage forming lower surface 11b is not limited to 90 degrees as shown in FIG. 4 and FIG. 10 and the like, and can be inclined to either one or the rainwater intrusion prevention plate 11b1. It is also possible to further prevent the intrusion of rainwater by bending the upper end of the outer wall 2 toward the outer wall 2 side.

  As described above, the eaves ventilating hardware 11 is provided with the plurality of rainwater intrusion prevention plates 11b1 for preventing rainwater entering from the entrance of the ventilation passage. Therefore, the open / close valve (flap) is not provided as in the above-mentioned prior art document 2. However, rain can be prevented from entering the eaves and the attic. The eaves ventilating hardware 11 is provided with a plurality of rainwater intrusion prevention plates 11b1 by making a plurality of U-shaped cuts in the ventilation passage forming lower surface 11b, and bending up the part surrounded by the cuts and starting up. However, in the present invention, the present invention is not limited to this, and a long incision may be made in the longitudinal direction of the eaves ventilating hardware 11 to provide a single rainwater intrusion prevention plate 11b1 or welded to the ventilation passage forming lower surface 11b. Of course, one or more rainwater intrusion prevention plates 11b1 may be attached. Even when one rainwater intrusion prevention plate 11b1 is provided, a gap is formed between the upper end of the rainwater intrusion prevention plate 11b1 and the back surface of the ventilation passage forming upper surface 11d. There is no problem even if a plurality of rainwater intrusion prevention plates 11b1 are not provided at predetermined intervals in the longitudinal direction of the eaves-back ventilation hardware 11.

  In particular, in the eaves-back ventilation hardware 11, since a plurality of rainwater intrusion prevention plates 11b1 are provided on the outer wall 2 side rather than the end on the outer wall 2 side of the ventilation slit 11d1, it blows up from the entrance of the ventilation passage together with the strong wind. The rainwater not only is blocked by the plurality of rainwater intrusion prevention plates 11b1, but also hits the ventilation passage forming upper surface 11d on the outer wall 2 side from the plurality of rainwater intrusion prevention plates 11b1, thereby preventing entry into the ventilation slit 11d1. Therefore, in this respect, it is possible to further prevent rain from entering the eaves and the attic.

  In addition, as shown in FIG. 2 and FIG. 3, in this eaves-side ventilation hardware 11, a U-shaped cut is made in the ventilation passage forming lower surface 11 b, and a portion surrounded by the cut is bent and raised to enter rainwater. Although the prevention plate 11b1 is provided, in order to make it easier to bend the rainwater intrusion prevention plate 11b1, the periphery of the rainwater intrusion prevention plate 11b1 is connected to the ventilation passage forming lower surface 11b by the same width as the width of the ventilation slit 11d1 in the short direction. A rainwater intrusion prevention plate 11b1 is provided by cutting a letter-shaped cut. Therefore, an opening 11b2 larger than the rainwater intrusion prevention plate 11b1 is formed on the ventilation passage forming lower surface 11b as shown in FIGS. 2 and 3, etc., but as shown in FIG. When 11 is attached to the back of the eaves, the front end of the eaves board 3 is inserted into the eaves board front end accommodating portion 11A, and the opening 11b2 of the ventilation passage forming lower surface 11b is blocked by the eaves top board 3. become.

  The outer wall attaching portion 11E is a portion that is bent upward from the ventilation passage forming upper surface 11d of the ventilation passage forming portion 11B and attached to the outer wall 2, and is provided with a screw hole 11e1 as shown in FIGS. Therefore, the eaves ventilator 1 can be attached to the outer wall 2 by inserting and tightening a screw into the screw hole 11e1.

  The nonflammable high-temperature expansion material 12 expands its volume several tens of times when a fire or the like occurs and reaches a predetermined temperature. As shown in FIGS. Are pasted in the longitudinal direction of the eaves-back ventilation hardware 11.

  Therefore, in this eaves-side ventilation hardware 11, the nonflammable high-temperature expansion material 12 is provided between the ventilation passage forming standing surface 11c and the rainwater intrusion prevention plate 11b1, and the ventilation passage standing surface 11c, the rainwater intrusion prevention plate 11b1 and the ventilation. Since it is surrounded by the passage-forming upper surface 11d and the ventilation passage-forming lower surface 11b, even when a fire or the like occurs and expands, most of it will expand in the enclosed space, and the amount of the nonflammable high-temperature expansion material 12 Even when there is little or insufficient expansion, the ventilation passage can be reliably blocked. In the eaves ventilator 1 of the first embodiment, the non-flammable high-temperature expansion material 12 is provided on the entire surface of the ventilation passage forming standing surface 11c. However, in the present invention, a fire or the like occurs. Since it is sufficient that the ventilation passage of the eaves-back ventilation hardware 11 can be blocked by expansion, the present invention is not limited to this, and a part of the ventilation passage formation standing surface 11c or the ventilation passage formation standing surface 11c and the rainwater intrusion prevention plate 11b1 It may be affixed to the whole or part of the back side (the lower side in the figure) of the ventilation passage forming lower surface 11b and the ventilation passage forming upper surface 11d. Furthermore, the ventilation passage formation lower surface 11b or the ventilation passage formation upper surface 11d on the outer wall 2 side of the rainwater intrusion prevention plate 11b1, and further, the entire or part of the rainwater intrusion prevention plate 11b1 on the ventilation passage formation standing surface 11c side or the outer wall 2 side. You may make it stick to.

  In addition, as shown in FIG.11 and FIG.12, you may make it improve the intensity | strength of the eaves back ventilation hardware 11 whole in the ventilation path formation standing surface 11c, as shown in FIG.11 and FIG.12. In addition, by forming the reinforcing rib 11c1 in the longitudinal direction of the ventilation passage forming standing surface 11c, when the nonflammable high-temperature expansion material 12 is attached to the ventilation passage forming standing surface 11c, the reinforcing rib 11c1 is made to be a nonflammable high temperature. It can also be used as a guide for attaching the expansion material 12.

Embodiment 2. FIG.
In the eaves ventilator 1 of Embodiment 1 described above, the eaves ventilated hardware 11 is surrounded by the notch, as shown in FIG. 2 and FIG. However, the present invention is not limited to this, and is not raised from the ventilation passage formation lower surface 11b side, but is provided with a ventilation passage formation upper surface 11d. A plurality of rainwater intrusion prevention plates may be cut from the side, bent and hung, or attached by welding.

  For example, in the eaves ventilating hardware 11 ′ of the eaves ventilator 1 ′ of the second embodiment, as shown in FIG. 13, a plurality of cuts are made in a U-shape on the ventilation passage forming upper surface 11d, and the ventilation passage formation is raised. By bending the surface 11c side so as to approach the ventilation passage forming lower surface 11b, a ventilation slit 11d1 is provided on the ventilation passage forming upper surface 11d, and a rainwater intrusion prevention plate 11d2 that is lowered from the ventilation passage forming upper surface 11d is provided. In FIG. 13, as in FIGS. 2 and 3, the nonflammable high-temperature expansion material 12 is omitted, and only the eaves ventilating hardware 11 ′ of Embodiment 2 is shown.

  As a result, the eaves ventilator 1 ′ of the second embodiment also applies the eaves top board 3 to the eaves ventilating hardware 11 in the same manner as the eaves ventilator 1 of the above-described first embodiment. Since the eaves board front end accommodating part 11A having a U-shaped cross section that accommodates the three tips can be prevented as much as possible from mistakes in inserting the eaves board 3 such as excessive and insufficient insertion of the eaves board 3, and ventilation of the back of the eaves. Since a rainwater intrusion prevention plate 11d2 for preventing rainwater entering from the entrance of the ventilation passage is provided between the ventilation passage forming standing surface 11c of the hardware 1 and the outer wall mounting portion 11E, an opening / closing valve (flap) is provided. Even without it, rain can be prevented from entering the back of the eaves. Moreover, if the nonflammable high-temperature expansion material 12 is provided between the ventilation passage formation standing surface 11c and the rainwater intrusion prevention plate 11b1 as in the eaves back ventilation device 1 of the first embodiment, the ventilation passage standing surface 11c and the rainwater entry Since the prevention plate 11b1, the ventilation passage formation upper surface 11d, and the ventilation passage formation lower surface 11b are surrounded, even when a fire or the like occurs and expands, most of them will expand in the enclosed space, and nonflammable high-temperature expansion Even when the amount of the material 12 is small or the expansion is insufficient, the ventilation passage can be reliably blocked.

  In addition, although the eaves ventilator 1, 1 ′ of the first and second embodiments has been described as providing the non-combustible high-temperature expansion material 12 on the eaves ventilating hardware 11, 11 ′, the present invention is not limited thereto. In the case of a house where it is not necessary to provide the non-flammable high-temperature expansion material 12 on the eaves ventilator 1, 1 ', omit the non-combustible high-temperature expansion material 12 without attaching the non-combustible high-temperature expansion material 12 to the eaves ventilation metal 11, 11'. The eaves ventilator 1,1 ′ can be used only for ventilation.

1,1 'eaves back ventilator 11,11' eaves ventilating hardware 11A eaves top board top receiving part 11a1 eaves board top guide surface 11B ventilation passage formation part 11b ventilation passage formation lower surface 11b1, 11d2 rainwater intrusion prevention plate 11c ventilation passage formation Standing surface 11d Ventilation passage forming upper surface 11d1 Ventilation slit 11E Outer wall mounting portion 12 Nonflammable high-temperature expansion material 2 Outer wall 3 Eave board 4 Roof 5 Nasal concealment material

Claims (5)

An eaves board front end accommodating portion having a U-shaped cross section that is provided apart from the outer wall to provide an entrance for the ventilation passage between the outer wall and the eaves board front end.
A ventilation passage formation lower surface that is continuous with the upper surface of the eaves board front end housing portion and extends away from the outer wall, and a ventilation passage formation standing surface that is bent and raised at the opposite end of the ventilation passage formation lower surface from the outer wall; The ventilation passage forming standing surface is bent so as to approach the outer wall and extends until it protrudes to the outer wall side from the eaves board front end housing part, and the entrance of the ventilation path between the eaves board front end housing part and the outer wall A ventilation passage forming portion comprising a ventilation passage forming upper surface to ensure
An outer wall attaching portion that is bent from the ventilation passage forming upper surface and attached to the outer wall;
While the ventilation passage formation upper surface or the ventilation passage formation standing surface is provided with a ventilation slit for allowing air that has passed through the ventilation passage to pass through the attic,
Between the ventilation passage forming standing surface and the outer wall mounting portion, there is an eaves back ventilation hardware provided with a rainwater intrusion prevention plate for preventing rainwater entering from the entrance of the ventilation passage ,
The rainwater intrusion prevention plate has a U-shaped cut on the lower surface of the ventilation passage formation, and is bent so that the ventilation passage formation standing surface surrounded by the cut approaches the upper surface of the ventilation passage formation and stands from the lower surface of the ventilation passage formation. An eaves ventilating hardware characterized by being raised . In the eaves ventilated hardware according to claim 1 ,
The eaves-ventilation metal fitting , wherein the rainwater intrusion prevention plate is provided on the outer wall side of the ventilation slit . An eaves board front end accommodating portion having a U-shaped cross section that is provided apart from the outer wall to provide an entrance for the ventilation passage between the outer wall and the eaves board front end.
A ventilation passage formation lower surface that is continuous with the upper surface of the eaves board front end housing portion and extends away from the outer wall, and a ventilation passage formation standing surface that is bent and raised at the opposite end of the ventilation passage formation lower surface from the outer wall; The ventilation passage forming standing surface is bent so as to approach the outer wall and extends until it protrudes to the outer wall side from the eaves board front end housing part, and the entrance of the ventilation path between the eaves board front end housing part and the outer wall A ventilation passage forming portion comprising a ventilation passage forming upper surface to ensure
An outer wall attaching portion that is bent from the ventilation passage forming upper surface and attached to the outer wall;
While the ventilation passage formation upper surface or the ventilation passage formation standing surface is provided with a ventilation slit for allowing air that has passed through the ventilation passage to pass through the attic,
Between the ventilation passage forming standing surface and the outer wall mounting portion, there is an eaves back ventilation hardware provided with a rainwater intrusion prevention plate for preventing rainwater entering from the entrance of the ventilation passage,
A ventilation slit is formed on the upper surface of the ventilation passage, and a ventilation slit is formed on the upper surface of the ventilation passage. The eaves ventilating hardware is provided with a rainwater infiltration prevention plate that falls from the eaves. In the eaves ventilating hardware according to any one of claims 1 to 3,
The eaves board front end receiving part is provided with an eaves board ventilation surface provided with an eaves board guide surface that is inclined by obliquely bending the front end of the bottom surface downward . The ventilation passage formation rising surface of the eaves ventilating hardware according to any one of claims 1 to 4 and the rainwater intrusion prevention plate between the elevating ventilating hardware longitudinal direction, in the event of a fire, etc. An eaves-side ventilator, which is attached with a non-combustible high-temperature expansion material that expands at high temperatures to block the ventilation passage .

Images