JP5707305B2 - Eaves vent structure and decorative member - Google Patents

Description

  The present invention relates to an eaves vent structure that decorates the eaves of a roof and has a ventilation path for performing ventilation between the attic and the outside air, and a decorative member such as a windbreak plate or a nose cover used in the eaves vent structure.

  In conventional eaves-end structures for eaves ceiling mounting, etc., a structure having a ventilation structure is required in order to prevent attic deterioration and legal requirements. As an example of an eaves-end structure having a ventilation structure, one disclosed in Patent Document 1 is known.

  The eaves tip ventilation structure described in Patent Document 1 includes a windbreak plate that is formed in a substantially L shape, and has a plate-shaped breakage plate main body, and a protruding portion that protrudes from the lower side of the windbreak plate main body toward the side. Are attached to the overhanging portion, and a ventilation hole is provided on the overhanging portion.

  Moreover, the eaves tip ventilation structure described in Patent Document 2 has a base material attached to the ends of the rafters, the eaves top and the field edge, and a ventilation trunk edge attached to the eaves top edge and the lower surface of the base material. Then, by fixing the eave heaven to the ventilator rim, a gap corresponding to the thickness of the ventilator rim is provided between the rim of the eave heaven and the base material and the eave heaven. In addition, a ceramic eaves cover member with a jaw fixed to the base (hereinafter referred to as a cover member with a jaw) is configured in an L-shape, and a jaw groove is formed on the upper surface of the jaw so that the upper surface of the jaw and the eave The cover member with the chin is attached to the base so that the lower surface of the top comes into contact with the back surface of the cover member with the chin and the front end of the eaves does not come into contact. Thereby, a clearance gap is formed between the edge of the eaves and the back surface of the cover member with a jaw.

  The jaw grooves are formed from the proximal end to the distal end of the jaw, and many are formed at regular intervals along the longitudinal direction of the cover member with the jaw. Therefore, a passage is formed through the gap between the edge of the eave and the cover member with the jaw from the chin groove, and further through the gap between the field edge and the eave heaven formed by the ventilator rim, and this passage forms an attic and outside air. And ventilation is performed.

JP 7-229256 A JP 2005-61103 A

  In the eaves tip ventilation structure described in Patent Document 1, the eaves ceiling (ceiling board) is abutted against the main body part and the overhanging part provided at the lower end of the main body part, and the eave ceiling is attached so that the front end is within the plate part. . However, since the eaves are adjusted in size by cutting the plate material according to the dimensions of the eaves at the site, it is a heavy burden on the site to install the eaves so that the tip of the eaves is in contact with the windbreak plate. Was also cumbersome. Further, since the ventilation port communicates in the vertical direction and the distance is only the thickness dimension of the overhanging portion, there has been a problem such as rainwater infiltration due to wind blowing or insect invasion.

  In addition, in the eaves vent structure described in Patent Document 2, it is necessary to provide a gap between the field edge and the eaves ceiling in order to form a passage for ventilating the attic and the outside air. Ventilation rims had to be attached to the edges, resulting in increased material costs and work processes. Further, the jaw groove of the cover member with the jaw is formed so as to extend in the extending direction of the field edge, and is arranged in parallel with the longitudinal direction of the cover member with the jaw. There exists a problem that manufacture by the extrusion molding currently used is difficult.

  In addition, the eaves ceiling is slightly different for each construction, and the amount of protrusion from the field edge may vary. In this case, in the eaves-end ventilation structure described above, the passage for ventilation is narrow, and depending on the size of the eaves ceiling, it is difficult to secure a cross-sectional area greater than a certain level required by the Fire Services Act. There was a case. In this case, in order to ensure a cross-sectional area of a certain level or more, a process such as cutting the decorative member is necessary, and the work is troublesome.

  Therefore, the technical problem to be solved by the present invention is to provide an eaves vent structure and a decorative member capable of ensuring a sufficiently large ventilation path and preventing invasion of water, insects, and the like. It is.

  In order to solve the above technical problem, the present invention provides an eaves-end ventilation structure and a decorative member having the following configuration.

According to the first aspect of the present invention, it is an eaves tip ventilation structure in which a ventilation path between the attic and the outside air is formed using a decorative member arranged in a gap between the field board and the eaves,
The decorative member includes a plate-shaped main body,
Integrating with the plate-like main body, which is provided at the position facing the eave heaven so as to project toward the eave-top side, extends in the width direction along the main surface of the plate-like main body, and is connected to the main surface of the plate-like main body at the upper end A groove forming portion configured in an automatic manner;
A vent provided on the upper surface of the groove forming portion;
Provided is an eaves tip ventilation structure comprising the plate-like main body and a ventilation filter member sandwiched between opposing surfaces of the groove forming portion.

  According to a second aspect of the present invention, there is provided the eaves vent structure according to the first aspect, wherein the vent is provided by cutting a part of the upper surface of the groove forming portion.

  According to a third aspect of the present invention, there is provided the eaves tip ventilation structure according to the first or second aspect, wherein the groove forming portion includes a projecting portion that projects to the lower side of the eaves top. .

According to the fourth aspect of the present invention, the decorative member is disposed in the gap between the field board and the eaves,
A plate-shaped body;
A groove-forming portion that is provided to project to the eave heaven side at a position facing the eave heaven, extends in the width direction along the main surface of the plate-shaped main body, and is connected to the main surface of the plate-shaped main body at the upper end;
A vent provided on the upper surface of the groove forming portion;
A decorative member is provided, comprising a filter holding portion for holding a filter member on an opposing surface of the plate-like main body and the groove forming portion.

According to the fifth aspect of the present invention, the decorative member is formed by extrusion in the width direction,
The vent is provided by cutting a part of the upper surface of the groove forming portion. The decorative member according to the fourth aspect is provided.

  According to a sixth aspect of the present invention, there is provided the decorative member according to the fourth or fifth aspect, wherein the groove forming portion includes an overhanging portion projecting to the lower side of the eaves ceiling.

  According to the present invention, the groove forming portion provided along the main surface of the plate-shaped main body forms a ventilation groove having an opening at the bottom, and by providing a vent on the upper surface of the groove forming portion, Therefore, the eaves-end ventilation structure having a sufficiently large ventilation path can be obtained. Moreover, since the groove forming part is provided so as to project to the eaves side, the dimension adjustment of the eaves can be facilitated. Further, by providing the filter member, it is possible to prevent rainwater inundation and insect invasion due to wind blowing or the like.

  Therefore, the cross-sectional area of the ventilation path can be freely set / changed according to the size and number of the ventilation holes, and a sufficiently large ventilation path can be secured.

  In addition, the vent can be set to a free size by cutting the upper surface and the front surface, and an air passage having an appropriate size can be formed according to various conditions such as purposes and legal regulations.

  Moreover, the eaves top end can be concealed by providing an overhanging portion on the front surface of the groove forming portion.

It is a figure which shows the example of the house where the eaves vent structure concerning embodiment of this invention was used. It is sectional drawing which shows the example of the eaves tip ventilation structure concerning embodiment of this invention. FIG. 3 is a partial cross-sectional perspective view of the eaves tip ventilation structure of FIG. 2. It is a front view of the makeup gust used for the eaves-end ventilation structure of FIG. It is sectional drawing in the VV line of the makeup gaze of FIG. It is sectional drawing in the VI-VI line of the makeup gaze of FIG.

  Hereinafter, a decorative member according to an embodiment of the present invention and an eaves vent structure using the decorative member will be described with reference to the drawings.

  FIG. 1 is a diagram illustrating an example of a house in which an eaves vent structure according to an embodiment of the present invention is used. The eaves ventilating structure according to the present embodiment is used for ceiling back ventilation, and is applied to the eaves ventilating structure using the gust 102 or the nose cover 103 used for the ceiling 101 of the house 100.

  FIG. 2 is a cross-sectional view showing an example of an eaves vent structure according to the embodiment of the present invention. FIG. 3 is a partial cross-sectional perspective view of the eaves vent structure of FIG. FIG. 2 illustrates an eaves-end ventilation structure using breezes as an example, and corresponds to a cross-sectional view taken along the line II-II in FIG. Hereinafter, as an eaves-end ventilation structure, a blast will be described as an example.

  In the eaves-end ventilation structure 1 according to the present embodiment, the decorative member according to the present invention is used as a windbreak plate as described above. In the eaves ventilating structure 1 according to the present embodiment, a field board 4 is laid on the rafter 3 and a roofing decoration material (not shown) such as a tile is placed thereon. A draining plate 5 is provided at the tip of the field plate 4.

  Further, a field edge 6 is provided on the leading end side of the rafter 3. The field edge 6 is provided in a direction intersecting along the extending direction of the rafter 3, and the base material 7 is fixed to the field edge 6.

  A windbreak base 8 and a ventilation trunk edge 9 are fixed to the base material 7. The windbreak base 8 is a member for attaching the makeup windbreak 2 that is a decorative material. Further, the ventilation trunk edge 9 is a member for fixing the eaves ceiling 10, and a vertical trunk edge 9 a disposed at a predetermined interval in parallel with the rafter 3, and a rear end portion of each vertical trunk edge. A lateral trunk edge 9b is provided for connection and reinforcement.

  The eaves ceiling 10 is fixed to the house wall 11 and the ventilation trunk edge 9. In addition, a heat insulating material 13 is disposed in the gap 9 c between the rafter 3 and the eaves ceiling 10 defined by the ventilating trunk edge 9.

  The eave ceiling mounting bracket 14 that locks the eave ceiling 10 to the house wall 11 holds the rear end side of the eave ceiling 10 from the vertical direction at the front end side, and loads and locks the upper end of the house wall at the rear end side. . Further, means such as a nail 12 are used to fix the eave heaven 10 to the ventilator edge 9.

  The makeup gust 2 is made of a cement-based material as will be described later, and is fixed to the gust foundation 8 via the blast attachment fitting 15. In addition, a holding member 16 is fixed to the gable base 8 so that the load is not concentrated on the decorative gable 2 by a roof decorative member (not shown) such as a tile provided on the gap. Further, the draining plate 5 is fixed to the holding member 16 by a nail 17.

  FIG. 4 is a front view of a makeup blast used in the eaves vent structure of the present embodiment. FIG. 5 is a VV cross-sectional view of the makeup blast of FIG. The decorative blast 2 is made of, for example, a cement-based extrudate, and preferably has a high toughness that causes multiple cracks and breaks even when subjected to bending stress, even with respect to the action of tensile stress. More specifically, an extruded product of a fiber-reinforced hydraulic composition, which has the property of causing multiple cracks to break upon bending loading can be suitably used.

  The makeup breaker 2 includes a plate-like main body 20 and a groove forming portion 21 that are integrally formed. In addition, as shown in FIG. 5, a ventilation groove 27 is provided in the region facing the groove forming portion 21 and the plate-like main body 20 over the entire width direction of the makeup blast 2. A filter 22 is provided.

In the present embodiment, the plate-shaped body 20, for example, the dimension _{L 1} in the width direction (longitudinal direction) is 3000 mm, the height direction (lateral direction) dimension _{H 1} is about 180 mm, thickness _{T 1} is about 25mm long It is a member on a scale plate. In addition, the magnitude | size of the plate-shaped main body 20 is not necessarily limited to the said size, It can change suitably according to the magnitude | size of an eaves-under structure.

  On the back side of the plate-like main body 20, a decoration and screw fastening groove 23 is provided. The screwing groove 23 indicates the screwing position of the screw 18 (see FIG. 2) when screwing to the blast breaker base 8, and is provided along the width direction of the plate-like main body 20.

  In addition, a fixing groove 24 for locking with the gust windfitting fitting 15 is provided on the surface side of the plate-like main body 20 along the longitudinal direction. The fixing groove 24 has a hook-shaped cross section, and is locked to the locking piece 15 a of the windbreak mounting bracket 15.

  The groove forming portion 21 is provided along the longitudinal direction of the plate-shaped main body 20 at a position facing the eave heaven 10 on the surface side of the makeup blast 2. The groove forming portion 21 has a front surface portion 25 provided substantially parallel to the plate-shaped main body 20, and is configured in a cross-sectional saddle shape in which the upper surface portion 26 is connected to the surface of the plate-shaped main body 20.

  The ventilation filter 22 sandwiched between the groove forming portion 21 and the plate-like main body 20 is made of an elongated rod-like mesh material, and is a member having a waterproof and insect-proof function while allowing ventilation. As an example, a honeycomb material having a thickness of several centimeters can be suitably used.

  A concave support portion 28 for supporting the ventilation filter 22 is provided on a surface 21a of the groove forming portion 21 facing the plate-shaped main body 20, so that the ventilation filter 22 does not fall off. In order to arrange the ventilation filter 22 in the ventilation groove 27, the ventilation filter 22 is inserted into the support portion 28 from the side surface side of the makeup blast 2.

  The upper surface portion 26 of the groove forming portion 21 is provided with a vent 29 that communicates with the vent groove 27, and a ventilation path that passes through the vent groove 27 and the vent 29 can be secured. The size of the ventilation path, that is, the size of the ventilation port 29 may be determined as appropriate according to the size of the makeup blast and legal requirements.

  6 is a cross-sectional view taken along the line VI-VI of the makeup blast of FIG. As described above, the makeup blast according to this embodiment is formed by using a cement-based material and extruding it in the longitudinal direction. The upper surface of the groove forming portion 21 after extrusion molding is formed continuously, and the vent 29 is formed by partially cutting the upper surface portion 26 of the groove forming portion 21 after extrusion molding. The cutting width P of the air vent 29 may be appropriately determined according to the size of the makeup blast, legal requirements, and the like. Further, the ventilation path can be enlarged by cutting the ventilation hole 29 greatly.

  On the front surface portion 25 of the groove forming portion 21, a protruding portion 30 that protrudes to the lower side of the eaves 10 is provided. By providing the overhanging portion 30, it is possible to reduce the gap between the eaves 10 and the makeup blast 2 and make it difficult to visually recognize the gap from the lower side of the eaves. A wet sealant or the like is applied to the gap between the eaves 10 and the makeup blast 2. Since the gap is sufficiently reduced by the overhanging portion 30, it is possible to easily apply a wet sealant or the like.

  In the eaves vent structure according to the present embodiment, as shown by an arrow 90 in FIG. 2, a ventilation path is formed by the ventilation groove 27 and the ventilation hole 29, and ventilation between the attic and the outside air can be performed.

  Next, the construction method of the eaves aeration structure using the above-mentioned makeup wind break will be described. The eaves tip ventilation structure according to the present embodiment is configured so that the attic and the outside air can be ventilated by the ventilation path provided in the makeup breaker 2 by using the makeup breaker 2 described above. Is supported by the overhanging portion 30 of the groove forming portion.

  The rafter 3 and the field edge 6 which are the frameworks of the eaves structure are assembled. The base material 7 and the windbreak base 8 are fixed to these frame structures, and the ventilator edge 9 is attached. Thereafter, the base plate 4, draining plate 5, holding member 16 and the like are attached.

  The windbreak fitting 15 is positioned and fixed to the windbreak substrate 8. As described above, the breaking wind mounting bracket 15 is provided with the locking piece 15a, and the attachment position in the vertical direction of the makeup breaking wind 2 is determined. The locking piece 15 a is inserted into the fixing groove 24 of the makeup gust 2, and the makeup gust 2 is arranged along the surface of the gust foundation 8. Next, the makeup wind 2 is fixed using the screws 18.

  Next, the dimension of the eave ceiling 10 is determined, and the eave ceiling 10 is attached to the ventilation trunk edge 9 using the nail 12 and the eave ceiling mounting bracket 14. At this time, the dimension of the eaves ceiling is determined so that the front end portion of the eave ceiling 10 is placed on the upper side of the overhanging portion 30 of the makeup windbreak. Since the overhang | projection part 30 has protruded under the eave heaven, the clearance gap between the eave heaven 10 and the makeup wind gaze 2 is hard to be visually recognized from the outside, and the dimension adjustment of the eave heaven 10 can be made easy.

  After the eaves ceiling 10 is attached, the gap between the eaves ceiling 10 and the makeup gaze 2 is sealed using a sealing material or the like.

  In the eaves-end ventilation structure configured as described above, a ventilation path for ventilating the attic and the outside air is formed by the decorative blast 2 as shown in FIGS. In this ventilation path, the opening on the lower surface side of the eave ceiling 10 is a ventilation groove formed between the groove forming portion 21 and the plate-like main body 20 as shown in FIG. Becomes a vent 29 provided on the upper surface of the groove forming portion 21. The outside air that has passed through the ventilation path moves to the upper surface side of the eaves 10 as indicated by an arrow 90 and reaches the attic. Although this ventilation path is formed in the vertical direction, it has a certain length and is further provided with a ventilation filter 22 inside, so that it is difficult for rainwater or the like to enter from the outside. 6 has a shape that is difficult to corrode.

  As described above, according to the eaves-end ventilation structure of the present embodiment, the ventilation groove 27 is provided by the groove formation portion 21 provided integrally with the plate-like main body 20 in the decorative blast wind 2, and the upper surface of the groove formation portion 21 is provided. A vent path is formed in communication with the vent hole 29 formed by partially cutting the. Further, since the groove forming portion 21 is provided so as to protrude from the plate-shaped main body 20 toward the eave ceiling 10, the gap with the eave ceiling can be reduced, and the dimension adjustment of the eave ceiling 10 can be facilitated. it can.

  In addition, this invention is not limited to the said embodiment, It can implement in another various aspect. For example, an eaves-under structure in which the makeup gaze 2 is directly attached to the base material 7 without providing the gable base 8 can be employed.

  Further, the decorative member of the present invention is not limited to the windbreak plate of the above embodiment, and can be used for a nasal cover material.

1 Ventilation structure at the end of a building 2 Makeup breeze 3 Rafters 4 Field plate 5 Drainage board 6 Field edge 7 Base material 8 Wind break base 9 Venting edge 10 House top 11 House walls 12 and 17 Nail 13 Insulation material 14 House top mounting bracket 15 16 Holding member 20 Plate-shaped main body 21 Groove forming portion 22 Ventilation filter 23 Screw retaining groove 24 Fixing groove 25 Front surface portion 26 Upper surface portion 27 Ventilation groove 28 Support portion 29 Ventilation hole 30 Overhang portion

Claims (6)

An eaves tip ventilation structure that forms a ventilation path between the attic and the outside air using a decorative member arranged in the gap between the field plate and the eaves,
The decorative member includes a plate-shaped main body,
Integrating with the plate-like main body, which is provided at the position facing the eave heaven so as to project toward the eave-top side, extends in the width direction along the main surface of the plate-like main body, and is connected to the main surface of the plate-like main body at the upper end A groove forming portion configured in an automatic manner;
A vent provided on the upper surface of the groove forming portion;
An eaves-end ventilation structure comprising: the plate-like main body and a ventilation filter member sandwiched between opposing surfaces of the groove forming portion.   The eaves vent structure according to claim 1, wherein the vent is provided by cutting a part of an upper surface of the groove forming portion.   3. The eaves tip ventilation structure according to claim 1, wherein the groove forming portion includes a projecting portion that projects to the lower side of the eaves top on the front surface. A decorative member arranged in the gap between the base plate and the eaves,
A plate-shaped body;
A groove-forming portion that is provided to project to the eave heaven side at a position facing the eave heaven, extends in the width direction along the main surface of the plate-shaped main body, and is connected to the main surface of the plate-shaped main body at the upper end;
A vent provided on the upper surface of the groove forming portion;
A decorative member, comprising: a filter holding portion that holds a filter member on an opposing surface of the plate-like main body and the groove forming portion. The decorative member is formed by extrusion molding in the width direction,
The decorative member according to claim 4, wherein the vent is provided by cutting a part of an upper surface of the groove forming portion.   The decorative member according to claim 4 or 5, wherein the groove forming portion includes an overhanging portion projecting downward from the eaves top.