JP2007092427A - Under-eaves ventilating structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an under-eaves ventilating structure wherein a vent can not be seen from below, while assuring a sufficient ventilation volume and surely preventing rainwater from entering into the under-eaves space. <P>SOLUTION: An eaves-end part 2 includes a fixing vertical piece 37 mounted on a fascia board 1, a ventilation horizontal piece 3 projecting from the lower end of the fixing vertical piece 37 toward the inside of the room, a hanging piece 4 hanging from an indoor-side end of the ventilation horizontal piece 3, an eave-soffit parting piece 7 projecting from the lower end of the hanging piece 4 toward the inside of the room and a blind piece 9 projecting from the lower end of the hanging piece 4 toward the outside of the room. A clearance 16 for ventilation is formed between an indoor side of a vertical wall part 14 of an eaves gutter 13 and the outer face of the fascia board 1. The clearance 16 for ventilation is communicated with the under-eaves space 33 through an air-flow space 36 under the ventilation horizontal piece 3, a vent 5 provided in the ventilation horizontal piece 3 and an upper air-flow space 34 between the fascia board 1 and the ventilation horizontal piece 3. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a technique for ventilating an eaves back space.

  Conventionally, in order to ventilate the space behind the eaves above the eaves ceiling, a ventilation hole is provided in the eaves edge parting material, and the outdoor space and the eaves space are communicated through the ventilation hole to ventilate the eaves space. For example, Patent Document 1 discloses the above.

  In the conventional example of this patent document 1, as shown in FIG. 3, the eaves end parting material 50 is comprised by the two members of the nose board side parting material 51 and the eaves ceiling side parting material 52, The eaves ceiling side parting material A recess 53 that opens downward is formed at the center in the width direction of 52, a ventilation hole 55 is formed in a vertical piece 54 that forms the opposing surface of the recess 53, and the outdoor space and the back of the eaves are provided via the ventilation hole 55. Since the space 33 communicates with the eaves space 33 to ventilate, the ventilation hole 55 provided in the vertical piece 54 can be seen from below and the appearance is poor.

  Therefore, in order to make the ventilation hole 55 provided in the vertical piece 54 difficult to see from below, it is conceivable to make the opening width narrow by projecting a horizontal piece for blindfold at the lower end opening edge of the recess 53. Thus, in the case where the eaves end parting material 50 is constituted by two members of the nose plate side parting material 51 and the eaves ceiling side parting material 52, the eaves ceiling side parting material 52 is recessed at the upper bottom portion of the eaves 53 by the fixing tool 56. Therefore, there is a limit to narrowing the opening width of the recess 53, and there is a problem that a sufficient ventilation cannot be obtained if the opening width of the recess 53 is narrowed.

In addition, it is possible to form a gap between the lower surface of the eave ceiling and the piece covering the lower surface of the eave ceiling of the eaves ceiling-side parting material 52, and ventilate from here. In some cases, necessary ventilation cannot be secured due to construction errors.
JP 2001-98693 A

  The present invention was invented in view of the above-described conventional problems, and the appearance is good by making the ventilation holes invisible from below, and a sufficient amount of ventilation can be reliably ensured, and further toward the eaves space side. It is an object of the present invention to provide an eaves ventilation structure that can reliably prevent rainwater from entering.

  In order to solve the above-mentioned problem, the eaves back ventilation structure according to the present invention attaches the eaves parting material 2 to the nose plate 1, and the eaves parting material 2 is fixed along the outer surface of the lower end portion of the nose plate 1. A vertical piece 37, a ventilation horizontal piece 3 provided with a ventilation hole 5 protruding toward the indoor side from the lower end of the fixing vertical piece 37 protruding downward from the nose plate 1, and a ventilation horizontal piece A hanging piece 4 that hangs down from the indoor side end of the part 3, and an eaves ceiling side parting piece that protrudes from the lower end of the hanging piece 4 toward the indoor side and extends along the lower surface of the outdoor side end of the eaves ceiling 6. And a blindfold piece 9 that projects from the lower end of the drooping piece 4 toward the outdoor side and forms a lower ventilation space 36 between the ventilation lateral piece 3 and the nose plate The upper ventilation space that allows the ventilation hole 5 provided in the ventilation horizontal piece 3 and the eaves space 33 to communicate between the lower end surface of 1 and the upper surface of the ventilation horizontal piece 3. 34 is attached to the outer surface of the nose plate 1 via the eaves fixture 10, and the eaves 13 located on the outdoor side of the outer surface of the nose plate 1 is attached to the outer surface of the nose plate 1. A ventilation gap 16 is formed between the outer surface of the nose plate 1 and the lower portion of the eaves 13 is positioned on the outdoor side of the lower ventilation space 36 so that the ventilation gap 16 is located on the lower ventilation space 36. The vent hole 5 and the upper ventilation space 34 are communicated with the eaves back space 33 in this order.

  By adopting such a configuration, it is possible to improve the appearance of the eaves by preventing the ventilation holes 5 provided in the ventilation side piece 3 of the eaves parting material 2 from being seen from below by the blindfold piece 9. Moreover, even though the ventilation hole 5 is not seen from below by the blindfold piece 9, the outside air is introduced through the ventilation gap 16 formed between the eaves 13 and the nose plate 1, and the outside air is lowered. The eaves space 33 can flow into the eaves space 33 through the side ventilation space 36, the ventilation hole 5, and the upper ventilation space 34 in this order, and the eaves space 33 can be reliably ventilated. It relates to the presence or absence of a gap between the ceiling-side parting piece 7 and the lower surface of the outdoor side end of the eaves ceiling 6, the size of the gap between the blindfold piece 9 and the lower part of the vertical wall part 14 of the eaves wall 13, etc. And the ventilation of the eaves space 33 can be ensured. Further, since the ventilation hole 5 is provided in the ventilation side piece 3 of the eaves parting material 2, the outside air is discharged from the lower ventilation space 36 through the ventilation hole 5 to the upper ventilation space 34. The contained rainwater can be dropped to the lower ventilation space 36 side, and rainwater can be prevented from entering the eaves back space 33 side. Even if rainwater enters the upper ventilation space 34, the rainwater in the upper ventilation space 34 passes through the ventilation hole 5 to the lower ventilation space 36, and the ventilation hole 5. Can also drain rainwater that has entered from between the outer surface of the nose plate 1 and the eaves parting material 2. Furthermore, since the flow of outside air from the ventilation gap 16 to the eaves space 33 forms a meandering passage, rainwater is less likely to enter the eaves space 33.

  In the present invention, the ventilation hole is not visible from the lower side, the appearance is good, a sufficient ventilation amount can be ensured reliably, and in addition, rainwater can be reliably prevented from entering the eaves back space side.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  As shown in FIGS. 1 and 2, an eaves ceiling 6 made of eaves ceilings is arranged between the eaves nose plate 1 and the outer wall 8, and the eaves ceiling 6 is shown by arrows a and b in FIG. It adheres to the lower surfaces of a plurality of field edges 20 extending inward and outward. The ends of the plurality of field edges 20 on the indoor side (the direction indicated by the arrow A) are fixed to the outer wall 8 via the wall-side parting material 21, and the outdoor side of the eave ceiling 6 (the direction indicated by the arrow B). The end portion on the outdoor side protruding to) is fixed to the nose plate 1 via a crosspiece 32. The end of the field edge 20 on the indoor side is placed on the upper surface of the wall-side parting material 21 fixed to the outer wall 8 with a fixing tool 19 such as a screw or a nail. It is fixed to the parting material 21. The lower surface of the indoor side end portion of the eaves ceiling 6 is covered from below by a wall side parting piece portion 23 that protrudes from the lower end part of the wall side parting material 21 to the outside so as not to be exposed to the outside. Further, the outdoor side end portions of the field edges 20 are fixed to the lower surface of the pier 32 fixed to the indoor side surface of the nose plate 1 with fixing tools such as screws and nails (not shown). Here, the pier 32 is located above the lower end surface of the nose plate 1, and the lower portion of each field edge 20 protrudes below the lower end surface of the nose plate 1.

  The nose plate 1 is attached with an eaves-end parting material 2 for finishing a corner portion formed by the nose plate 1 and the eaves ceiling 6. The eaves-cutting material 2 is a long metal object such as aluminum, and has a fixing vertical piece 37 attached along the outer surface of the lower end of the nose plate 1 and a fixing projecting downward from the nose plate 1. A horizontal piece 3 for ventilation projecting laterally from the lower end of the vertical piece 37 toward the indoor side, a hanging piece 4 hanging from the indoor end of the horizontal piece 3 for ventilation, and a hanging piece The eaves ceiling side parting piece 7 projecting from the lower end of 4 toward the lateral direction on the indoor side, and the blindfold piece 9 projecting laterally from the lower end of the hanging piece 4 toward the outdoor side. ing.

  The fixing vertical piece 37 has a locking portion 35 protruding from the middle portion in the vertical direction toward the indoor side, locked to the lower end surface of the nose plate 1, and has an upper portion along the outer surface of the nose plate 1. In the state, it is fixed to the nose plate 1 by the fixing tool 19. The ventilating horizontal piece 3 is located below the nose plate 1 and the indoor side end face is close to the lower end of each field edge 20, whereby the upper side of the ventilating horizontal piece 3 and the nose plate An upper ventilation space 34 is formed between the lower end surface of 1 and the upper surface. The indoor side end of the upper ventilation space 34 is continuous with the opening on the outdoor side of the eaves space 33 (the opening formed between the end portions of the field edge 20). Communicates with the eaves space 33.

  The indoor end of the eaves ceiling-side part 7 runs along the lower surface of the outdoor end of the eaves ceiling 6, and the outdoor end of the eaves ceiling 6 is covered by the eaves ceiling-side part 7 from below. ing. The blindfold piece 9 is located below the ventilation horizontal piece 3, and a lower ventilation space that opens to the outside between the upper surface of the blindfold piece 9 and the lower surface of the ventilation horizontal piece 3. 36 is formed. Here, the end 9 a on the outdoor side of the blindfold piece 9 protrudes further toward the outdoor side than the vertical piece 37 for fixing.

  A large number of ventilation holes 5 are provided in the longitudinal direction of the eaves parting material 2 in the ventilation horizontal piece 3 between the lower ventilation space 36 and the upper ventilation space 34 of the eaves parting material 2. The upper ventilation space 34 and the lower ventilation space 36 communicate with each other through the ventilation holes 5. Further, these ventilation holes 5 are hidden from view by the blindfold piece 9 described above.

  An eaves fixture 10 is attached to a position above the fixing vertical piece 37 of the eaves parting material 2 on the outer surface of the nose plate 1 by a fixing tool 19. As shown in FIGS. 1 and 2, the eaves-mounting fixture 10 is configured by protruding an eaves-mounting attachment portion 25 from the outdoor side surface of the nose plate fixing vertical plate portion 24. A substantially U-shaped ear fitting portion 11 that opens toward the indoor side is formed at a position away from the nose plate 1 through a gap in the vicinity of the protruding base portion of the eaves, and the upper end portion of the protruding tip of the eaves mounting portion 25 The ear support 26 is formed.

  As shown in FIG. 2, the eaves anchor 13 is attached to the eaves anchor 10. The eaves bowl 13 has a substantially U-shaped cross-section with an open top, and has an indoor ear 15 projecting toward the outdoor side at the upper end of the indoor vertical wall section 14 of the eaves bowl 13, and An outdoor-side ear portion 28 that protrudes toward the indoor side is formed at the upper end portion of the vertical wall portion 27 on the outdoor side of the eaves 13, and a fitting groove portion 29 that opens downward is formed in the outdoor-side ear portion 28. ing. The eaves rod 13 is attached by fitting the fitting groove portion 29 of the outdoor side ear portion 28 into the ear support portion 26 of the eaves fixture 10 and fitting the indoor side ear portion 15 into the ear fitting portion 11 of the eaves fixture 10. It is done.

  An ear insertion gap 12 is formed between the indoor end of the ear fitting portion 11 and the nose plate 1, and the indoor ear portion 15 is used to fit the indoor ear portion 15 into the ear fitting portion 11. In addition, the indoor side ear part 15 is inserted from below into the above-mentioned ear part insertion gap 12 so as to elastically spread the vertical wall part 14 to the outdoor side, and the ear is fitted by the elastic restoring force of the indoor side ear part 15 and the vertical wall part 14. It is fitted into the part 11 elastically. Thus, when the eaves bowl 13 with the indoor side ear portion 15 inserted into the ear fitting portion 11 by inserting the indoor side ear portion 15 from the ear portion insertion gap 12 passes through the ear portion insertion gap 12. Since the vertical wall portion 14 elastically pushed and spread on the nasal plate 1 side is fitted and elastically restored and moved in a direction away from the nasal plate 1, as shown in FIG. The indoor vertical wall portion 14 is located farther to the outdoor side than the nose plate 1, and a ventilation gap 16 is formed between the vertical wall portion 14 of the eaves 13 and the nose plate 1.

  The lower part of the ventilation gap 16 communicates with a lower ventilation space 36 formed between the blindfold piece 9 of the eaves-end parting material 2 and the horizontal piece 3 for ventilation. Accordingly, the ventilation gap 16 between the vertical wall portion 14 of the eaves 13 and the nose plate 1 enters the eaves back space 33 through the lower ventilation space 36, the ventilation hole 5, and the upper ventilation space 34 in this order. The ventilation gap 16, the lower ventilation space 36, the ventilation hole 5, and the upper ventilation space 34 constitute a ventilation passage that connects the outdoor space and the eaves space 33.

  The end 9a on the outdoor side of the blindfold piece 9 is arranged close to the corner portion on the indoor side of the eaves 13 to make the ventilation gap 16 difficult to see from below to improve the appearance.

  Here, it is preferable in terms of appearance that the gap between the eaves-ceiling-side parting piece 7 and the lower surface of the outdoor-side end of the eaves-ceiling 6 is as small as possible. Even if there is no or a gap, it only forms the minimum gap for absorbing the dimensional error and construction error of the member, and because the ventilation gap 16 is difficult to see from below, It is preferable that the space between the blindfold piece 9 and the lower portion of the vertical wall portion 14 of the eaves 13 is as small as possible. Thus, ventilation cannot be performed between the eaves-ceiling-side parting piece 7 and the lower surface of the outdoor-side end of the eaves-ceiling 6, or between the blindfolded part 9 and the lower part of the vertical wall part 14 of the eaves wall 13. However, in the present invention, the eaves 13 and the nose plate 1 formed with the eaves 13 attached to the eaves fixture 10 as described above. Outside air is introduced from the upper opening of the ventilation gap 16 formed between them as indicated by the arrow in FIG. 1, and this outside air is passed through the lower ventilation space 36, the ventilation hole 5, and the upper ventilation space 34 in this order. Therefore, the eaves space 33 can be reliably ventilated.

  In the present invention, when the ventilation hole 5 is formed in the eaves parting material 2, the ventilation hole 5 is provided in the ventilation lateral piece 3 in particular, so the flow of outside air introduced from the ventilation gap 16 is illustrated in FIG. As indicated by the arrow 1, the air flows in the lower ventilation space 36 at the lower portion of the ventilation gap 16 and flows into the lower ventilation space 36, and then changes in the upward direction through the ventilation hole 5. 34, and thereafter, the direction is changed to the indoor side and flows into the eaves space 33. Accordingly, rain water contained in the outside air can be dropped into the lower ventilation space 36 while the outside air rises from the lower ventilation space 36 through the ventilation hole 5 to the upper ventilation space 34, thereby allowing the air to fall. Compared with the case where the ventilation hole 5 is provided in the hanging piece part 4 as in the reference example shown in FIG. 4, rainwater can be prevented from entering the eaves back space 33 side rather than the eaves parting material 2. Even if rainwater enters the upper ventilation space 34, the rainwater in the upper ventilation space 34 can be drawn into the lower ventilation space 36 through the ventilation hole 5. The ventilation hole 5 also serves as a drainage hole for draining rainwater that has entered from between the outer surface of the nose plate 1 and the eaves parting material 2. Can be prevented. Furthermore, as shown by the arrows in FIG. 1, the flow of the outside air introduced from the ventilation gap 16 in the present invention is a more meandering air flow compared to the flow of the outside air shown by the arrows in FIG. Rainwater contained in the outside air introduced from the ventilation gap 16 is more difficult to enter the eaves back space 33.

It is a principal part expanded sectional view which shows an example of embodiment of this invention. It is sectional drawing which shows the whole eaves tip same as the above. It is a principal part expanded sectional view which shows the conventional eaves back ventilation structure. It is a principal part expanded sectional view which shows the reference example which provided the ventilation hole of the eaves-piece parting material in the hanging piece part.

Explanation of symbols

1 nose plate 2 eaves-cutting material 3 ventilation side piece 4 hanging piece 6 eaves ceiling 7 eaves-side parting piece 9 blindfold piece 10 eaves fixture 13 eaves fixture 16 eaves clearance 33 eaves space 34 upper ventilation Vacant 36 Lower Vent Vent 37 Fixed vertical piece

Claims (1)

  The eaves edge parting material is attached to the nose plate, and the eaves parting material is fixed along the outer surface of the lower end part of the nose plate, and the lower end part of the fixing vertical piece part projecting downward from the nose board From the indoor side of the ventilation horizontal piece, and from the lower end of the hanging piece toward the indoor side The air vent between the eaves ceiling parting piece part along the lower surface of the outdoor side end part of the eaves ceiling and the lower side part of the hanging piece part toward the outdoor side and the ventilation horizontal piece part An upper ventilation for connecting a ventilation hole provided in the ventilation lateral piece and the eaves space between the lower end surface of the nose plate and the upper surface of the ventilation lateral piece. Forming a vacant space, attaching an eave ridge located on the outer side of the nose plate to the outer surface of the nose plate via an eave ridge attachment tool, A ventilation gap is formed between the wall and the outer surface of the nose plate, and the lower part of the eaves is positioned on the outdoor side of the lower ventilation space, and the ventilation gap is formed in the lower ventilation space and ventilation hole. The eaves ventilating structure is configured to communicate with the eaves space through the upper ventilation space in order.

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