JP2014190080A - Eaves ventilation equipment and eaves ventilation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide eaves ventilation equipment and an eaves ventilation structure exhibiting high ventilation capacity and making the quality of an air passage consistent.SOLUTION: Eaves ventilation equipment 1 comprises: a body part 11 which has a lip groove-shaped cross section and in which a recess 11a is formed along a longitudinal direction; and a back board plate 12 arranged along the longitudinal direction in the body part 11. First ventilating openings 11b are formed and oppositely arranged in the recess 11a of the body part 11, and second ventilating openings 11d are formed along the longitudinal direction on a side facing a rear face of a recess bottom part 11c between the oppositely arranged first ventilating openings 11b.

Description

  TECHNICAL FIELD The present invention relates to an eaves ventilator and an eaves ventilating structure that are arranged under an eaves and take outside air into a building.

  Patent Document 1 discloses a substantially reverse hat type Hiroshi dance having a wide concave bottom surface having a plurality of ventilation holes on both sides, and a draining portion and an attachment portion integrally connected to both sides of the concave bottom surface. There is disclosed a ventilation structure in the back of a hut in which an air passage is formed between the substantially inverted hat-shaped Hiroshi dance and the roof tile by being attached to the front end of a field board.

JP 2001-349023 A

  However, in the conventional ventilation structure, since the ventilation port is formed outside the nasal concealment, the fire resistance is improved. However, since the ventilation port is formed in a plane, a large area is required instead of high ventilation. I can't expect ability. Moreover, since the ventilation opening is formed facing the kite, rainwater easily enters the ventilation opening. In addition, since the air passage is formed under the eaves by facing the substantially inverted hat-shaped Hiroko dance to a part of the house, the construction is not easy, and the on-site air passage is located under the eaves if the site builder is unskilled. There is a risk of causing problems in the formation of the. Moreover, since it is necessary to provide the substantially inverted hat type Hiroko dance so as to straddle the nose cover, the construction is not easy from this point.

  In view of the above circumstances, an object of the present invention is to provide an eaves ventilator and an eaves ventilating structure that have high ventilation capacity, can be easily attached to a building, and have a constant quality air passage.

  In order to solve the above problems, the eaves ventilator according to the present invention has a main body portion having a groove-shaped cross section and a concave portion formed in the longitudinal direction, and a first portion formed in an opposing arrangement in the concave portion of the main body portion. An eaves ventilator comprising one ventilation port and a second ventilation port formed in the main body.

  If it is said structure, since the 1st ventilation port is formed in the opposing arrangement | positioning in the recessed part of the said main-body part, and it becomes a three-dimensional ventilation opening arrangement | positioning, high ventilation capability can be obtained although it is small. Moreover, since the space of the main body portion itself from the first ventilation port to the second ventilation port formed in the main body portion becomes an air passage, the air passage under the eaves has a constant quality regardless of the skill level of the site worker. It can be easily installed in buildings.

  A water return plate may be disposed in the main body portion along the longitudinal direction. According to this, intrusion of rainwater can be prevented. The water return plate may be disposed at the bottom of the recess. According to this, the said water return board will be located in the position close | similar to a said 1st ventilation hole, and can isolate | separate rainwater efficiently. Water return pieces may be formed on both sides of the water return plate so as to face part of the first ventilation port. According to this, rainwater can be more efficiently separated by the water return piece.

  The second ventilation port may be formed along the longitudinal direction at a location facing the bottom of the recess between the opposed first ventilation ports.

  The main body and the nasal drainage member may be integrated, and the nasal drainage member may be formed with an opening communicating with the second ventilation port. According to this, the body part is attached to the building by fixing the nasal drainage member to the nasal concealment of the building, and workability is improved.

  In the state of being disposed in an inclined manner, the first ventilation port at the upper position of the first ventilation port in the above-described opposing arrangement may cause the water returned to dripping. According to this, it is possible to prevent the returned water from continuing to accumulate in the main body.

  Also, the eaves ventilation structure of the present invention is an eaves ventilation structure in which the above eaves ventilator is provided under the eaves, wherein the second ventilation port communicates with the lower surface side of the field plate outside the nose cover. It is characterized by being. Such a configuration eliminates the need for Hiroko dance and simplifies the eaves structure. In the above eaves ventilating structure, the returned water may be dripped onto a trough provided under the eaves. According to this, it is possible to prevent the returned water from dripping onto the ground under the eaves. Moreover, the eaves ventilator becomes difficult to see due to the presence of the eaves, and the design of the building is improved.

  If it is this invention, there exists an effect that ventilation capacity is high, the attachment to a building is easy, and an air passage can be made into fixed quality.

It is the figure which showed the plane and arrow cross-section of the eaves ventilator concerning embodiment of this invention. It is explanatory drawing which showed the eaves ventilation structure in which the eaves ventilator of FIG. 1 was provided. It is explanatory drawing which showed the eaves ventilating structure in which the eaves ventilator of FIG. 1 was provided in three dimensions.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1 and FIG. 2, the eaves ventilator 1 of this embodiment is arranged along the longitudinal direction of the eaves 5 of the building. The eaves ventilator 1 includes a main body 11 having a lip groove shape in cross section and a recess 11a formed in the longitudinal direction, and a water return plate disposed in the main body 11 along the longitudinal direction. 12. A lid member (not shown) is attached to both ends of the main body 11, and a drain hole is provided in the lid member.

In the recess 11a of the main body 11, a first ventilation port 11b having a large number of slits is formed in an opposing arrangement. The slit has a rectangular shape with a width of 0.2 cm and a length of 0.4 cm, the slit interval is 0.2 cm, and an opening area of 20 cm ² per meter is obtained at each first ventilation port 11b. Designed as such. Of course, this is only an example, and other opening areas may be obtained.

  A second ventilation port 11d is formed along the longitudinal direction on the side facing the back surface of the recess bottom 11c located between the opposed first ventilation ports 11b. The second ventilation port 11d is formed by separating both edges of the steel plate when the main body 11 is formed by bending, for example, a PVC steel plate into a groove shape.

  The water return plate 12 is fixed by a rivet 2 on the back side of the recess bottom 11c. Further, water return pieces 12a are formed on both sides of the water return plate 12 by bending. The water return piece 12a is positioned to face a part of the first ventilation port 11b.

  The main body 11 is integrated with a nose cover draining member 13. The nasal drainage draining member 13 is made of, for example, a PVC steel plate, and is a vertical surface portion fixed to the outdoor surface of the nasal concealment base 54, an inclined portion that is located on the upper side of the vertical surface portion and follows the inclination of the roof, and the vertical surface portion. And a lower edge portion that goes around to the lower side of the eaves top plate 56. The eaves ventilator 1 is integrated by fixing the main body 11 with a rivet 3 on the lower surface of the inclined portion. An opening 13 a that communicates with the second ventilation port 11 d is formed in the inclined portion of the nose cover draining member 13. The second ventilation port 11 d communicates with the lower surface side of the field board 51 through the opening 13 a of the nose cover draining member 13. The second ventilation port 11d communicates with the lower surface side of the field board 51 outside the nose mask base 54. Alternatively, a Hiroko dance may be provided so that the second ventilation port 11d communicates with the lower surface side of the Hiroko dance outside the nose cover base 54.

  An upper part of a drainer 52 is inserted between the roof tile 50 at the eaves and the field board 51. And the bending part is formed in the front-end | tip part of the said drainer 52, and the front-end | tip of the said inclination part in the said nasal cover draining member 13 is engaging in this bending part.

  As shown in FIG. 3, the outside air enters the main body 11 from the first ventilation port 11b, is returned by the water return plate 12, and is guided to the back side of the recess bottom 11c. And outside air reaches the lower surface side of the field board 51 through the said opening part 13a of the said nose cover draining member 13 from the said 2nd ventilation port 11d.

  Moreover, in the state where the eaves ventilator 1 is inclined and arranged below the eaves, the first ventilation port 11b located on the upper side of the first ventilation port 11b arranged oppositely causes the returned water to drip. That is, the lower edge of the slit of the first ventilation port 11b reaches the lower surface of the main body 11 from the lower end of the opposing surface of the concave portion 11a, so that the water that has returned is opposed to the concave portion 11a. It is difficult to collect at the corner between the lower end of the surface and the lower surface of the main body 11.

  A gap space between the upper surface side of the inclined portion of the nasal cover draining member 13 and the field plate 51, a gap space between the upper surface side of the nasal cover layer 54 and the field plate 51, A ventilation path is formed by the upper space and the shed space inside the outer wall. Outside air is guided to the back of the hut through the ventilation path, and the air in the back of the shed is released outdoors. Here, as shown in FIG. 2, a step portion 54a is formed on the indoor side surface of the nose mask base 54, and the lower end portion of the rafter 55 is engaged with the step portion 54a. ing. The position of the rafter 55, that is, the position of the base plate 51 is determined by the stepped portion 54a, and the dimensional accuracy of the gap space can be increased.

  A gutter 53 is provided below the eaves 5. The eaves 53 are provided at a position where water returned by the eaves ventilator 1 drops.

  If it is said structure, since the 1st ventilation port 11b is formed in the opposing arrangement | positioning in the recessed part 11a of the said main-body part 11, and it becomes a three-dimensional ventilation arrangement | positioning, it can obtain high ventilation capability although it is small. it can. In addition, since the space of the main body 11 itself from the first ventilation port 11b to the second ventilation port 11d formed in the main body 11 becomes an air passage, the air under the eaves regardless of the skill level of the site worker. The passage can be of constant quality.

  If the water return plate 12 is arranged in the main body portion 11 along the longitudinal direction, it is possible to prevent rainwater from entering. When the water return plate 12 is disposed in the recess bottom portion 11c, the water return plate 12 is located at a position close to the first ventilation port 11b, so that rainwater can be separated efficiently.

  When water return pieces 12a are formed on both sides of the water return plate 12 so as to face a part of the first ventilation port 11b, the water return pieces 12a can more efficiently separate rainwater. .

  When the main body 11 and the nasal drainage draining member 13 are integrated, and the nasal drainage draining member 13 has an opening 13a communicating with the second ventilation port 11d, the nasal drainage draining member 13 is By fixing to the nose cover base 54, the main body 11 is attached to the building, and workability is improved.

  When the first ventilation port 11b located on the upper side of the opposed first ventilation port 11b is configured to drop the returned water in a state of being inclinedly arranged below the eaves, the returned water is the main body portion. 11 can be prevented from continuing to accumulate.

  Further, with the eaves under ventilating structure of this embodiment, the second ventilation port 11d of the eaves ventilator 1 communicates with the lower surface side of the field plate 51 outside the nose cover base 54, and there is no need for Hiroko Mai. The structure of the eaves 5 is simplified. In addition, the returned water is dropped on the eaves 53 provided under the eaves, so that the returned water can be prevented from dropping on the ground under the eaves. Moreover, the eaves ventilator 1 becomes difficult to see due to the presence of the eaves 53, and the design of the building is improved.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

One eaves ventilator 11 Main body 11a Recess 11b First ventilation port 11c Recess bottom 11d Second ventilation port 12 Water return plate 12a Water return piece 13 Nasal concealed draining member 13a 5 openings 50 roof tiles 51 Base plate 52 54 Nose cover 55 Rafters 56 Tops

Claims (9)

  A main body having a groove-shaped cross section and a recess formed along the longitudinal direction; a first ventilation port formed in a confronting manner with the recess of the main body; a second ventilation port formed in the main body; An eaves ventilator characterized by comprising:   The eaves ventilator according to claim 1, wherein a water return plate is disposed in the main body along the longitudinal direction.   3. The eaves ventilator according to claim 2, wherein the water return plate is disposed at the bottom of the recess.   The eaves ventilator according to claim 2 or 3, wherein water return pieces are formed on both sides of the water return plate so as to face a part of the first ventilation port. .   5. The eaves ventilator according to claim 1, wherein the second ventilation port has a longitudinal direction at a position facing a bottom of a recess between the first ventilation ports arranged to face each other. A ventilator under the eaves characterized by being formed along.   The under-eave ventilation device according to any one of claims 1 to 5, wherein the main body portion and a nasal drainage member are integrated, and the nasal drainage member has an opening communicating with the second ventilation port. An eaves ventilator characterized in that a part is formed.   In the eaves ventilator according to any one of claims 1 to 6, the water returned from the first ventilation port on the upper side of the first ventilation port in the opposed arrangement in a state of being inclined is disposed. An eaves ventilator characterized by being dripped.   An eaves ventilating structure in which the eaves ventilator according to any one of claims 1 to 7 is provided under the eaves, wherein the second ventilation port is outside the nose cover and on the lower surface side of the field plate. Under-eave ventilation structure characterized by communication.   The under-ventilation ventilation structure according to claim 8, wherein the eaves-under-ventilation device drops water that has been returned to the eaves provided under the eaves.

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