JP5789110B2 - Eaves ventilation member and eaves ventilation structure - Google Patents

Description

  The present invention relates to an eaves ventilation member used to introduce outside air from the eaves to ventilate the back of the eaves, and an eaves ventilation structure using the eaves ventilation member.

  Patent Document 1 discloses a ventilation structure that can be used in a building with a short eaves. This ventilation structure is composed of an eaves edge cover plate fixed to the eave edge material and a blow-up prevention plate fixed to the outer wall, and a meander-shaped outside air passage is formed by forming a draining piece and a water return piece respectively. It is a thing. In this way, by forming the outside air passage in a meandering shape, it becomes possible to sufficiently drain even a short eaves to guide outside air to the back of the eaves.

  Also, Patent Document 2 discloses an eaves ventilated hardware that can be used for a short eaves roof. This eaves-end ventilation hardware consists of a draining plate fixed to the eaves side and a draining plate fixed to the outer wall side, and partition walls are alternately formed in each to form a meander-shaped outside air passage.

Japanese Patent Laid-Open No. 11-356881 Japanese Utility Model Publication No. 5-42413

  However, in the above-described conventional structure, since the plate material arranged and fixed on the eaves side and the plate material arranged and fixed on the outer wall side are separate members, it is necessary to attach these plate materials to the house at the construction site. . Therefore, the rainwater intrusion prevention performance and the airflow rectification performance in the meandering outside air passage are affected by the quality of the separate mounting operations, and there is a possibility that a certain quality cannot be secured for the performance.

  Further, in order to firmly fix the plate material arranged on the outer wall side in the structure as a separate member as described above, it is necessary to lengthen the vertical direction of the plate material and enlarge the mounting surface. If it does so, as shown in the above-mentioned patent document 1, the upper part of the outer wall will be largely hidden by the plate material, which is disadvantageous in that the design of the eaves is deteriorated and the interference with the ventilation hood or the like arranged on the outer wall. Invite Moreover, when the structure which pinches | interposes the said board | plate material in the upper part of an outer wall is employ | adopted like patent document 2, the complexity of a structure and the complexity of attachment work will be caused.

  This invention can make rainwater intrusion prevention performance and airflow rectification performance of the outside air passage having a meandering shape constant regardless of whether the construction is good or bad, and has disadvantages such as deterioration of the design of the eaves and interference with the ventilation hood, etc. It is an object of the present invention to provide an eaves ventilation member and an eaves ventilation structure that can be eliminated and can be easily constructed on site.

  In order to solve the above-described problems, in the eaves ventilating member of the present invention, the first plate member located on the eaves side and the second plate member located on the outer wall side are joined to each other by a spacer member that forms a ventilation path. It is characterized by being integrated, and a partition plate is provided at least on the inlet side and the outlet side of the ventilation path to form an outside air passage having a meandering shape.

  With such a configuration, since the first plate member and the second plate member are integrated by the spacer member, it is not necessary to join the first and second plate members at the construction site. The rainwater intrusion prevention performance and the airflow rectification performance of the outside air passage having the meandering shape can be made constant regardless of whether the construction is good or bad. Further, when integrated in this way, the second plate member is supported by the first plate member. Therefore, for example, the second plate member can be supported only by fastening the lower end portion of the second plate member to the upper portion of the outer wall. The plate member can be firmly supported, the eaves ventilation member can be installed so that the upper part of the outer wall is not hidden as much as possible, the design of the eaves can be improved, and interference with the ventilation hood etc. can be avoided. become. Moreover, by integrating as mentioned above, the construction in the field of the eaves ventilation member becomes easy.

  In such an eaves-end ventilation member, the first plate member is formed with a convex portion having the same height as the spacer member by being bent so as to protrude toward the outside air passage. The spacer member may be joined. In this configuration, the convex portion functions as a part of the outside air passage having the meandering shape, and the first plate member is used for forming the convex portion, so that another member corresponding to the convex portion. This is not necessary.

  Moreover, in such an eaves-end ventilation member, it is preferable that a water return inclined downward toward the outlet is provided on the outlet side of the ventilation path. With such a configuration, rainwater in the outside air is returned to the ventilation path side, and rainwater can be prevented from entering the back of the eaves.

  Moreover, in such an eaves-end ventilation member, the outside air introduction part that guides the outside air to the outside air passage may be formed at an inclination so as to be located on the lower side of the eave-end ventilation member and toward the outer wall side. With such a configuration, it is possible to prevent the wind blowing toward the outer wall from directly entering the outside air passage from the outside air introducing portion.

  In the eaves tip ventilation member, it is preferable that a rectification portion that is inclined upward from the outer wall side toward the outside air introduction portion is formed on the lower side of the second plate member. With such a configuration, the outside air is smoothly guided to the inclined outside air introduction part by the rectification part.

  Further, the eaves ventilating structure of the present invention includes the eaves ventilating member described above, and is characterized in that the fixed piece formed on the lower end of the eaves ventilating member is positioned and fixed on the upper end side of the finished surface of the outer wall. To do. With such a structure, the upper end of the finished surface of the outer wall is not hidden by the eaves ventilation member, so that the design of the eaves is improved and interference with the ventilation hood and the like can be avoided.

  According to this invention, since the first plate member and the second plate member are integrated by the spacer member, it is possible to make the rainwater intrusion prevention performance and the airflow rectification performance of the meandering outside air passage constant. Furthermore, for example, since the second plate member can be firmly supported only by fastening the lower end portion of the second plate member to the upper edge of the outer wall, it is possible to arrange the eaves ventilation member so as not to hide the upper portion of the outer wall as much as possible. As a result, the design of the eaves can be improved and interference with the ventilation hood can be avoided. Moreover, the integration work in the field of an eaves ventilation member becomes easy by integrating as mentioned above.

It is sectional drawing which showed the eaves edge structure provided with the eaves ventilation member which concerns on one Embodiment of this invention. It is sectional drawing which expands and shows the location where the eaves tip ventilation member in FIG. 1 is arrange | positioned. It is sectional drawing which showed the eaves tip structure provided with the eaves ventilating member with which the fireproof damper which concerns on one Embodiment of this invention was integrated. It is sectional drawing which expands and shows the location where the eaves tip ventilation member and fireproof damper in FIG. 3 are arrange | positioned. It is explanatory drawing which showed the keraba blast finish in FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, a nose cover 2 is attached to a short roof 1 of an eave, and a rain gutter 3 is fixed to the nose cover 2 by a nail 4. Further, a roof tile 5 is disposed on the roof 1, and the roof tile 5 is fixed to the roof 1 with a predetermined inclination angle on the crosspiece 6.

  An outer wall panel 7 is disposed below the nose cover 2. The outer wall panel 7 includes an outer wall frame portion 7a, an outer wall base 7b attached to the outer wall frame portion 7a, and an outer wall finishing plate 7c attached to the outer wall base 7b. An eaves ventilation member 8 is provided between the lower end of the nose cover 2 and the upper end side of the outer wall panel 7.

  In the eaves edge ventilation member 8, a first blast water drain plate (first plate member) 81 located on the eave side and a second blast water drain plate (second plate member) 82 located on the outer wall side form the ventilation path 80 a. It is integrated by being joined by the spacer member 80 to be formed. The first blast water drain plate 81 and the second blast water drain plate 82 are made of, for example, a vinyl chloride coated steel plate, and the spacer member 80 is made of, for example, a galvanized square tube material. And these 1st blast water cutting board 81, the 2nd blast water cutting board 82, and the spacer member 80 are mutually joined by screwing or welding. In this embodiment, three spacer members 80 are arranged per one reference length (for example, 910 mm).

  The first blast water draining plate 81 is constituted by a single plate. The drainer 81 a at the upper end of the first windbreak water draining plate 81 is located above the rain gutter 3, and the vertical surface portion 81 b is located between the rain gutter 3 and the nose cover 2. The vertical surface portion 81b is fixed to the nose cover 2 by the nail 4 or another nail.

  Moreover, as shown also in FIG. 2, the 1st blast water cutting board 81 is formed with the convex part 81c which protrudes in the side of the outside air passage of the eaves-end ventilation member 8 by bending. The height of the rising surface of the convex portion 81 c is the same as the height of the spacer member 80. Further, an outside air introduction part 81e is formed by bending on the lower side of the convex part 81c. The outside air introduction portion 81e is obliquely raised toward the outer wall panel 7, and the ventilation slit 81d formed in the outside air introduction portion 81e opens obliquely downward toward the outer wall panel 7 side. In other words, in this embodiment, the outside air introduction part 81e is inclined and formed so as to be located on the lower side of the eaves ventilation member 8 and toward the outer wall panel 7 side.

  The second blast water cutting plate 82 is composed of two plates. An upper partition plate 82a is formed by bending at the upper end of the second blast water cutting plate 82. The upper partition plate 82a faces the outlet portion of the ventilation path 80a in the spacer member 80 with a predetermined interval. Further, a water return portion 82b that is inclined downward toward the exit location of the ventilation path 80a is formed by bending at the base portion of the upper partition plate 82a. Further, a lower partition plate 82c is formed on the second blast water drain plate 82 by bending. The lower partition plate 82c faces the entrance portion of the ventilation path 80a in the spacer member 80 with a predetermined interval. As described above, the partition plates 82a and 82c are formed on the inlet portion side and the outlet portion side of the ventilation path 80a, respectively, so that a meandering outside air passage is formed.

  Further, a support portion 82d is formed by bending at the lower end of the second blast water cutting plate 82. A fixed piece 82e is also formed at the tip of the support portion 82d by bending. By screwing the screw nail 9 into the fixed piece portion 82e, the fixed piece portion 82e is fixed to the outer wall base 7b located on the upper end side of the outer wall finishing plate 7c in the outer wall panel 7. Further, the support portion 82d is joined to the end side of the outside air introduction portion 81e in the first blast water drain plate 81. Furthermore, the support portion 82d is formed with a rectifying portion 82f that is inclined upward from the outer wall panel 7 side toward the outside air introduction portion 81e. In this embodiment, the arrangement angle of the rectifying unit 82f with respect to the outside air introducing unit 81e is approximately 90 °.

  In the eaves top portion where the eaves ventilation member 8 is provided, the outside air passes through the ventilation slit 81d formed in the outside air introduction portion 81e located on the lower side of the eaves ventilation member 8 and the outside air passage of the eaves ventilation member 8 Come in. Here, the outside air introduction portion 81e that guides outside air to the outside air passage is located on the lower side of the eaves ventilation member 8 and is inclined so as to face the outside wall panel 7 side. It is possible to prevent the blowing wind from directly entering the outside air passage. Further, since a rectifying part 82f that is inclined upward from the outer wall panel 7 side toward the outside air introduction part 81e is formed on the lower side of the second blast water drain plate 82, outside air is introduced into the outside air introduction part 81e. Guided smoothly.

  And the outside air that has entered the outside air passage of the eaves ventilation member 8 is not blown up to the spacer member 80 side as it is, but is dispersed in the horizontal direction by the lower partition plate 82c, Due to this dispersion, the speed of the outside air passing through the outside air passage is reduced.

  The outside air diverted in the horizontal direction by the lower partition plate 82c passes under the lower horizontal surface of the convex portion 81c of the first blast breaking water cutting plate 81 and enters the entrance of the ventilation path 80a in the spacer member 80. Proceed while meandering. At this time, even if rainwater is contained in the outside air, the rainwater is returned on the lower horizontal surface of the convex portion 81c.

  Since the outside air that has entered the entrance of the ventilation path 80a passes through the exit of the ventilation path 80a and then hits the water return portion 82b and the upper partition plate 82a, rainwater in the outside air is also returned here. In particular, since the water return portion 82b is inclined downward, the rainwater adhering to the water return portion 82b is dripped downward (exit location).

  The outside air that has passed through the outlet of the ventilation path 80a is caused to flow in the horizontal direction by the upper partition plate 82a, passes over the upper horizontal surface of the convex portion 81c of the first blast breaking water cutting plate 81, and goes to the back of the eaves. It will proceed while meandering.

  In the eaves-end ventilation member 8, the first and second blast water drain plates 81 and the second blast water drain plate 82 are integrated by the spacer member 80. 81 and 82 need not be joined in the field construction, and the rainwater intrusion prevention performance and the airflow rectification performance of the outside air passage having the meandering shape can be made constant regardless of whether the construction is good or bad. Furthermore, when integrated in this way, the second blast water drain plate 82 is supported by the first blast water drain plate 81, so that the fixed piece portion 82e of the second blast water drain plate 82 is attached to the outer wall. It is possible to firmly support the second blast water drain plate 82 simply by fastening it to the upper side of the panel 7, and it is possible to fasten the eaves ventilation member 8 so as not to hide the outer wall panel 7 as much as possible. It can be improved and interference with a ventilation hood can be avoided. Moreover, the installation work in the field of the eaves ventilation member 8 becomes easy by integrating as mentioned above.

  FIGS. 3 and 4 are cross-sectional views of the eaves showing an example in which the fire damper 10 is integrally provided on the eaves ventilation member 8. In this configuration example, the upper fixing portion 10 a of the fire damper 10 is joined to the vertical surface portion 81 b of the eaves ventilation member 8, and the lower fixing portion 10 b of the fire damper 10 is a fixed piece portion of the eaves ventilation member 8. 82e. Thus, if it is the eaves-end ventilation member concerning this invention, integration with a fireproof damper will also become easy.

  Moreover, if it is the eaves ventilation member concerning this invention, as shown in FIG. 5, the design which aligned the line of the upper horizontal surface of the convex part 81c in the eaves ventilation member 8, and the finishing (lower surface) line of the keraba blast plate 11 is prepared. Yes. By carrying out such a design, it is possible to give continuity to the shapes of the parts (eave-end ventilation member 8 and keraba windbreak plate 11) that extend from different directions and are orthogonal to each other. This will be further improved. The upper horizontal plane position of the convex portion 81 c is formed at substantially the same height as the lower surface position of the rain gutter 3.

  In the above embodiment, the first breaker water drain plate 81 is bent to form the convex portion 81c. However, the first breaker wind drainer plate 81 has a flat shape and corresponds to the convex portion 81c. It is also possible to provide a separate member. However, when the convex portion 81c is formed by bending as described above, there is an advantage that the number of parts can be reduced.

DESCRIPTION OF SYMBOLS 1 Roof 2 Nasal cover 3 Rain gutter 7 Outer wall panel 7a Outer wall frame part 7b Outer wall base 7c Outer wall finishing board 8 Eaves edge ventilation member 80 Spacer member 80a Ventilation path 81 1st blast breaking water drain plate 81c Convex part 81e Outside air introduction part 81d Ventilation slit 82 Second breaker water drain plate 82a Upper partition plate 82b Water return portion 82c Lower partition plate 82e Fixed piece 10 Fireproof damper

Claims (7)

The first plate member located on the eaves side and the second plate member located on the outer wall side are integrated by being joined together by a spacer member that forms a ventilation path , and at least the spacer member that is the ventilation path A partition plate is provided on each of the inlet side and the outlet side of the slab to form a meandering outside air passage, and the spacer member exists in the middle of the meandering outside air passage. Ventilation member. The eaves tip ventilation member according to claim 1, wherein the first plate member is a draining plate . In eaves ventilation element according to claim 1 or claim 2, said first to the plate member having the same height as the spacer member by being bent to project to the side of the outside air passage of the first plate An eaves ventilating member, wherein a convex portion that narrows between the member and the second plate member is formed, and the spacer member is joined to the convex portion. The eaves-tip ventilation member according to any one of claims 1 to 3 , wherein a water return inclined downward toward the outlet is provided on the outlet side of the ventilation path. Eaves-end ventilation member. In eaves ventilation element according to any one of claims 1 to 4, the outside air introduction portion for guiding the outside air to the outside air passage is inclined toward the above outer wall at the bottom side of the eaves ventilation member formed The eaves ventilation member characterized by being made. The eaves tip ventilation member according to claim 5 , wherein a rectifying portion that is inclined upward from the outer wall side toward the outside air introduction portion is formed on a lower side of the second plate member. . The eaves tip ventilation member according to any one of claims 1 to 6 is provided, and the fixed piece formed on the lower end portion of the eaves tip ventilation member is positioned and fixed on the upper end side of the finished surface of the outer wall. Eaves ventilation structure characterized by.

Images