JPH0694277A - Device for covering ventilation port - Google Patents

Abstract

PURPOSE:To make the prevention of the outflow of water from the side part of a water cutting section to a wall side possible and prevent the contamination of the wall as much as possible, in the device provided with the water cutting section at the lower end of a frame body. CONSTITUTION:A water cutting section 17, extending laterally and whose lower end 17a is apart from a wall 11, is provided integrally at the lower end of a frame body 14. Blockading plates 30 are provided at the lower ends of both of left-and-right sides of a hood 25, provided at the front part of the frame body 14, at the side of the wall 11 to blockade the opened parts 17b of both of left-and-right sides of the water cutting section 17 by both of the blockading plates 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation port cover device provided on a wall having a ventilation port so as to cover the ventilation port from the outside.

[0002]

2. Description of the Related Art As a ventilation port cover device of this type, one having a structure disclosed in, for example, JP-A-3-25234 is considered. This one, as shown in Figure 5,
The frame body 2 having the communication port 1 in the central portion is attached to the wall 3 from the outdoor side in a state where the communication port 1 communicates with the ventilation port 4 provided in the wall 3. The rear end of the eaves plate 5 is fixed to the upper end of the frame body 2, and the eaves plate 5 is
The front end projects to the outdoor side so that it faces diagonally downward.
The hood 6 has open rear and upper and lower surfaces, and the eaves board 5
It is provided on the front surface of the frame body 2 so as to cover the communication port 1 from the front in a state in which a predetermined gap 7 is formed between the front end portion and the eave plate 5 so as to surround the eave plate 5.

A draining member 8 is provided at the lower end of the frame body 2.
The draining member 8 extends in the lateral direction, and the lower end portion 8a thereof is separated from the wall 3 forward. in this case,
The water flowing down along the frame body 2 has a lower end portion 8 a of the draining member 8.
Since it falls from the bottom, the water is less likely to flow down the wall 3 and the wall 3 is prevented from being dirty as much as possible.

[0004]

However, in the above-mentioned structure, since the left and right side portions of the draining member 8 are open, water flows from the open portion to the wall 3 side and pollutes the wall 3. There is a risk.

In the case of this type, the frame 2 is generally used.
A sealing material such as silicone is applied between the outer peripheral portion of the wall and the wall 3 to prevent rainwater and the like from entering the ventilation port 4, but the left and right sides of the draining member 8 are open. Therefore, it is difficult to apply the sealing material to both side portions of the draining member 8, and further, the sealing material 8 is squeezed out to the inside of the front surface side of the draining member 8 to impair the appearance.

Therefore, an object of the present invention is to provide a water draining portion at the lower end portion of the frame body so that water can be prevented from flowing out from the side portion of the water draining portion to the wall side, and the wall can be prevented from becoming dirty as much as possible. Another object of the present invention is to provide a ventilation port cover device in which the sealing material is easy to apply and does not impair the appearance.

[0007]

According to the present invention, there is provided a frame body, which is attached to a wall having a ventilation port from the outdoor side and has a communication port in the center, which communicates with the ventilation port, and a front portion of the frame body. A hood provided to cover the communication port from the front in a state of forming an air passage communicating with the communication port, and a hood provided at a lower end portion of the frame body and extending in a lateral direction, and the lower end portion is separated from the wall. The water draining portion and a closing plate portion provided on the hood or the frame body so as to close open portions on both sides of the water draining portion are provided.

[0008]

According to the above-mentioned means, since the open portions on both sides of the water draining portion are closed by the closing plate portions, it is possible to prevent water from flowing out from the side portion of the water draining portion to the wall side. Further, when the sealing material is applied, since both side portions of the draining portion are closed by the closing plate portions, both side portions of the draining portion are easy to apply, and the sealing material does not protrude to the inside of the draining portion.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. First, in FIG. 2 showing a sectional structure in an attached state, a duct 13 that constitutes a ventilation port 12 is provided at a predetermined portion of a wall 11 that faces the outside. Although not shown, a ventilation fan is provided on the indoor side of the duct 13, and ventilation is performed through the duct 13.

As shown in FIG. 3, the frame body 14 is formed of a metal plate in a substantially rectangular shape, has a circular communication port 15 formed in the central portion, and is attached to the upper end portion and both left and right side portions. The flanges 16a, 16b, 16c are integrally provided, and further, as shown in FIG. 1, the lower end is integrally provided with a drainer 17 which extends laterally and whose lower end 17a is directed obliquely forward. In addition, at the bottom of the frame body 14, the frame body 1
Water draining holes 18 for guiding the water adhering to the back surface of No. 4 to the front surface side of the water draining portion 17 are formed at two locations.

A tubular member 19 having a cylindrical portion 19a is fixed to the back surface of the frame body 14 by a rivet 20, and the cylindrical portion 19a and the communication port 15 of the frame body 14 communicate with each other. Elastic claws 21 for attachment are attached to the rear end of the tubular member 19 at three locations. By inserting the tubular member 19 into the duct 13 from the outside, the respective claws 21 are attached to the inner surface of the duct 13. Elastically engaged with the frame body 14, so that the frame body 14 is attached to the wall 11 from the outdoor side. In the mounted state of the frame body 14, the communication port 15 of the frame body 14 and the ventilation port 12 on the wall 11 side communicate with each other through the cylindrical portion 19a,
Further, the lower end portion 17 a of the water draining portion 17 is separated from the wall 11 forward.

The eaves plate 22 is formed of, for example, an aluminum plate having a plate thickness of 0.6 mm, and the mounting flange 23 formed at the rear end portion is attached to the mounting flange 16a at the upper end portion of the frame body 14. By being fixed by the rivets 20, the front end portion 22a is attached to the frame body 14 in a state of protruding toward the outdoor side so as to face obliquely downward.
Triangular plate-shaped stoppers 24, 24 project upward from the left and right edges of the eaves plate 22.

The hood 25 is formed of a metal plate into a substantially U-shape with its rear surface and upper and lower surfaces open, and the mounting flanges 26a and 26b are provided at the rear end portions of both left and right sides.
Mounting flanges 16b, 16 on both left and right sides of the frame body 14
The frame 1 is fixed to the c by the rivet 20.
4 is attached to the front part. This hood 25
As shown in FIG. 2, the eaves board 2 is attached to the frame body 14.
A ventilation gap 27 is formed between the front end portion 22a and the front end portion 22a, and the eaves plate 22 is surrounded, and the ventilation port 28 communicating with the communication port 15 is formed. From the front.

Further, flanges 29a and 29b projecting inward are slidably provided at both upper and lower ends of the hood 25, and the flanges 2 on the left and right sides of the upper end of the flanges 29a and 29b are integrally provided.
The lower surfaces of 9a and 29a are in contact with the tips of the corresponding stoppers 24 and 24. In this case, since the hood 25 is provided with the flanges 29a and 29b at both upper and lower ends thereof, the hood 25 has high rigidity and strength.

Further, at the lower ends of the mounting flanges 26a and 26b on both the left and right sides of the hood 25, the drainer 1 is provided.
The closing plate portions 30, 30 having a shape corresponding to the shape of the opening portion 17 b on the side of the drainage portion 7 are integrally provided, and the closing plate portions 30, 30 are provided on both sides of the draining portion 17.
b and 17b are closed.

[0016] Thus, the cover device having such a structure is provided with the wall 1
As shown in FIG. 4, the sealing material 31 such as silicon is applied between the outer peripheral portion of the frame body 14 and the wall 11 in a state where the rainwater is attached from the outer peripheral portion of the frame body 14 to the ventilation port. 1
It is designed to prevent intrusion into the 2 side.

In the case of the above construction, the hood 25 and the eaves plate 22 cover the communication port 15 and hence the ventilation port 12 from the front, side and above, so that rain is prevented from entering the ventilation port 12 side as much as possible. be able to. Also, FIG.
When the wind enters the ventilation passage 28 in the hood 25 from the lower surface opening 25a of the hood 25 as indicated by arrow A, the wind causes a gap 27 between the eaves plate 22 and the hood 25 as indicated by arrow B. Because it is designed to come out through
It is possible to reduce as much as possible the invasion of the wind to the ventilation port 12 side, and further to the indoor side.

At this time, the lower surface opening 25a of the hood 25
When a wind such as a gust of wind enters the ventilation passage 28 from the above, the eaves plate 22 receives the wind, and an upward displacement force acts on the eaves plate 22. When the tip of the existing stopper portion 24 comes into contact with the flange 29a on the upper end side of the hood 25 from below, the eaves plate 22 is restricted from being displaced upward, so that the eaves plate 22 is deformed. To be prevented.

On the other hand, since the water flowing down from the frame body 14 along the water draining portion 17 comes to fall from the lower end portion 17a of the water draining portion 17, the water is less likely to flow down the wall 11 and the wall 11 is reduced. Is designed to keep it as clean as possible.

At this time, since the open portions 17b, 17b on both the left and right sides of the water draining portion 17 are closed by the closing plate portions 30, 30, water flows from the open portions 17b, 17b to the wall 11.
It can be reliably prevented from flowing out to the side, and the wall 11 can be more reliably prevented from becoming dirty.

Further, when the sealing material 31 is applied, since both sides of the water draining portion 17 are closed by the closing plate portions 30, 30, the both side portions of the water draining portion 17 can be easily applied, and the sealing material 31 can be applied to the draining portion 31. It does not protrude to the inside of 17. And, these effects, hood 2
5 to the mounting flanges 26a, 26b of the closing plate portion 30, 3
0 is provided, and the opening portions 17b and 17b of the water draining portion 17 are closed by these closing plate portions 30 and 30.

In the above embodiment, the closing plate portion 30
The mounting flanges 26a and 26b of the hood 25 are provided with the closing plate portion 30 instead of the closing flange portion 30a.
It may be configured to be provided at the lower ends of the mounting flanges 16b and 16c on both the left and right sides. Also, the drainer 17
Is provided integrally with the frame body 14, but a different member may be provided at the lower end portion of the frame body 14.

[0023]

As is apparent from the above description, according to the present invention, the draining portion is provided at the lower end portion of the frame body, and the open portions on both sides of the draining portion are formed by the closing plate portions. Since it is configured to block, it is possible to prevent water from flowing out from the side part of the drainage part to the wall side, it is possible to prevent the wall from becoming dirty as much as possible, and when applying the sealing material, also the both side parts of the drainage part It has an excellent effect that it is easy to apply and that the sealing material does not protrude inside the draining portion.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

[Figure 2] Vertical side view

FIG. 3 is an exploded perspective view

FIG. 4 is a view corresponding to FIG. 1 with a sealing material applied.

FIG. 5 is a view corresponding to FIG. 2 showing a conventional example.

[Explanation of symbols]

11 is a wall, 12 is a ventilation port, 14 is a frame, 15 is a communication port,
17 is a draining part, 17a is a lower end part, 17b is an opening part, 2
Reference numeral 5 is a hood, 28 is a ventilation passage, and 30 is a closing plate portion.

Claims (1)

[Claims] 1. A frame body, which is attached to a wall having a ventilation port from the outdoor side and has a communication port communicating with the ventilation port at a central portion, and a ventilation path communicating with the communication port on a front surface portion of the frame body. A hood provided so as to cover the communication opening from the front in a state of forming a hood, a water draining portion provided in a lower end portion of the frame body and extending in the lateral direction, and the lower end portion being separated from the wall, the hood or the frame. A ventilation port cover device, comprising: a body; and a closing plate portion provided so as to close open portions on both sides of the water draining portion.