JPH075127Y2 - Ventilation structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a ventilation structure capable of surely preventing rainwater from entering and improving the appearance of a house by providing a double frame.

[Conventional technology]

In order to ventilate indoors such as the back of a house, a ventilation device with a gallery attached to the outer wall is provided.

Such a ventilation device has an opening a for conducting indoors and outdoors on an outer wall w as shown in FIG. 3, and a frame b attached to the opening a and a slab c and an outdoor side of the slab c. In addition, a screen door d for dust protection is provided.

[Problems to be solved by the device]

However, in such a ventilation device, when the wind and rain are severe, rainwater may infiltrate into the room along with the intake air from the gallery c, and may pollute the room. In order to prevent such infiltration of rainwater into the room, various attempts have been made, for example, by forming a gallery c in a sawtooth shape as shown in FIG. 3 and providing a ventilation hole f in the horizontal piece e, but with the wind. It is not easy to stop the soaring rainwater with a single louver.

On the other hand, since the screen door d is exposed to the outside, the appearance of the house is poor.

The present invention aims to provide a ventilation structure that can prevent rainwater from entering indoors together with intake air, solve the above-mentioned problems, and improve the appearance based on the double provision of galleries. .

[Means for Solving the Problems]

The present invention is directed to an outer louver frame 6 having an outer peripheral frame 11 projecting from the outer wall surface and fitted in an opening 4 of an outer wall 3 of a house, and to the outer peripheral frame 11 from the indoor side while fitting the outer peripheral frame 11 from the indoor side. The inner frame 5 includes an inner peripheral frame 7 having a lower plate 27 which is located above the lower piece 12 of the peripheral frame 11 with a gap therebetween, and the lower plate 27 is provided with a drain hole 34, and A drainage hole 13 is formed in the lower piece 12 and in a projecting portion from the outer wall surface, and a gutter 14 is provided on the outdoor side of the outer peripheral frame 11 and the drainage hole 13.
The ventilation structure is characterized in that the outer ventilation plate 15 having the above is provided, and the inner ventilation plate 10 having the gallery 9 is provided on the indoor side of the inner peripheral frame 7 and the drain hole 34.

[Action]

The outer louver frame has a drainage hole formed on the indoor side of the outer ventilating plate having the louver and on the lower piece of the outer peripheral frame and in the projecting portion projecting from the outer wall surface. Further, the inner louver frame is provided with drainage holes in the lower plate of the inner peripheral frame located on the outdoor side of the inner ventilating plate having the louver and above the lower piece. Since the double gallery is provided in this way, it is possible to prevent rainwater from entering, and even when rainwater enters from the gallery of the outer gallery frame,
The rainwater can be drained onto the lower piece through a drain hole formed on the outdoor side of the gallery of the inner louver frame, and the drained rainwater can be smoothly discharged outdoors through the drain hole.

Furthermore, since the gully of the outer gully frame is located on the outdoor surface side,
The appearance of the house is also good.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1 in this embodiment, the ventilation structure of the present invention is a structure for ventilating the back of a house B, and the louver device 2 forming the ventilation structure is arranged on the outer wall 3 on the wife side. , The attic C is attached to the opening 4 of the rectangular hole that connects the outside C to the outside D.

The louver device 2 includes an outer louver frame 6 having an outer peripheral frame 11 fitted in the opening 4, and an inner louver frame 5 having an inner peripheral frame 7 fitted in the outer peripheral frame 11.

The inner louver frame 5 extends along the edge of the opening 4 and the outer wall 3
An inner peripheral frame 7 having a frame 21 in which a flat plate having a width wider than the thickness of the frame 21 is arranged in a rectangle, and a flange 22 extending from an edge portion of the frame 21 on the back side C side along the inner side surface of the outer wall 3. To provide.

The inner peripheral frame 7 can be fixed to the outer wall 3 near the opening 4 by a bolt passing through a bolt hole 23 provided in the flange 22, and the inner peripheral frame 7 has a small upper surface and side surfaces between the inner peripheral frame 7 and the edge of the opening 4. The gaps g1 and g1 are formed, and the lower surface forms a relatively large gap g2 between the edges of the opening 4. Further, the inner peripheral frame 7 is formed with a protruding portion 25 where the frame body 21 protrudes from the outdoor surface of the outer wall 3 by the fixing, and a groove 28 parallel to the outer wall 3 is formed on the upper plate 26 of the frame body 21. It is formed by bending.

The inner peripheral frame 7 is provided with an inner ventilation plate 10 having a gallery 9 over the entire surface inside the frame body 21.

The gallery 9 has a horizontal piece 29 extending in the horizontal direction, which is bridged in a multi-step manner in the frame body 21 at substantially equal intervals, and is arranged at the rear edge of the horizontal piece 29 arranged above and below the horizontal piece 29. The front edge of the horizontal piece 29 is connected to the front edge of the horizontal piece 29 by a diagonal piece 30, and the diagonal pieces 30 are successively connected to form an armor that is bent in the horizontal direction.

Further, a plurality of ventilation holes 31 are provided in the horizontal piece 29 so that the attic C and the outdoor area D are ventilated.

On the outdoor D side of the inner ventilation plate 10, a screen door 33 that covers the inside of the frame body 21 is attached, and on the lower plate 27 of the frame body 21, the inner ventilation plate 10 and the screen door 33.
A drainage hole 34 is provided between and. Therefore, the inner ventilation plate
10 is located on the indoor side of the drain hole 34.

The outer louver frame 6 includes an outer peripheral frame 11 having a rectangular frame assembly 37 arranged so as to surround the outer side of the inner peripheral frame 7. Framework
37 is an overlapping portion 37a that overlaps the frame body 21 of the inner peripheral frame 7.
And the protruding portion 37b extending toward the outside D at the overlapping portion 37a. Further, the frame assembly 37 includes an upper piece 39 and a side piece 4
0, 40 and the lower piece 12 are combined in a rectangle, and in the upper piece 39 and the side pieces 40, 40 on both sides, the overlapping portion 37a is inserted between the small gaps g1, while the lower piece 12 is , The inner peripheral frame 7 is inserted into the gap g2 so as to be positioned below the lower plate 27 with a gap.

At the edge of the lower piece 12 on the back side C side, a spring piece 42 extending toward the outside D at the tip of the standing piece 41 rising along the flange 22.
The spring piece 42 is provided with a frame 21 by its elastic force.
The lower plate 27 is pressed, and the pressing force causes the outer peripheral frame to press the upper piece 39 toward the peripheral surface above the opening 4.

Further, the upper piece 39 is provided with a concave portion 43 that fits with the concave groove 28 of the inner peripheral frame 7, and the pressing of the spring piece 42 and the concave groove 28 of the concave portion 43 are provided.
The outer peripheral frame 11 of the outer louver frame 6 can be detachably attached to the inner peripheral frame 7 of the inner louver frame 5 by fitting with the outer louver frame 6, whereby the outer peripheral frame 11 is fitted into the opening 4 so as to project from the outer wall surface. To be done. The inner peripheral frame 7 is fitted into the outer peripheral frame 11 from the indoor side.

A water drainage hole 13 is formed in the lower piece 12 and the protruding portion 37b which is a protruding portion from the outer wall surface.

The louver frame 6 is provided with an outer ventilation plate 15 having a louver 14 on the outer peripheral frame 11 and on the outdoor side of the drain hole 13.

The gallery 14 is formed in substantially the same manner as the gallery 5 of the inner ventilation plate 10 and is arranged in parallel with the gallery 5 and has ventilation holes 45 provided in the gallery 14 to connect the attic C and the outdoor D side. Ventilate between. In addition, the outer wall 3 is provided around the framework 37.
Overhang the flange 47 extending along the outer surface of the
47 A watertight treatment is performed between the outer wall 3 surface and a sealing material 49 attached to the back surface.

However, the air in the outdoor area D passes through the louver 14 of the outer ventilation plate 15 and enters the outer louver frame 6, and the air is blown into the inner louver frame 5.
It can flow into the attic C through the screen door 33 and the gallery 9. Even if rainwater enters through the gallery 14 together with the air, it can be drained from the drain hole 13 and the infiltration of rainwater into the attic C can be prevented.

Further, even when rainwater passes through the screen door 33, it can be drained from the drain hole 34 provided in the lower plate 27 of the inner gallery frame 5 onto the lower piece 12 of the outer gallery frame 6, and the drained rainwater is the above-mentioned water. It can be discharged to the outside D through the hole 13.

In addition, in the ventilation structure of the present invention, if the gallery of the inner gallery and the gallery of the outer gallery are parallel to each other, the directions of the gallery can be arranged in the vertical direction or the oblique direction, and Besides ventilation, it can be used for ventilation between the room and the outdoors. As described above, the present invention can be modified into various modes.

[Effect of device]

As described above, the ventilation structure of the present invention includes the outer and inner louver frames, so that even if it is a strong wind and rain due to double louvers, it is possible to reliably prevent rainwater from entering the indoor space. Since the drainage hole is formed in the lower piece of the outer peripheral frame of the outer louver frame and in the projecting portion from the outer wall surface, the rainwater accumulated in the outer peripheral frame can be discharged outdoors.

Further, since the lower plate located above the lower piece and provided with the inner peripheral frame of the inner louver frame is provided with a drain hole, and an inner vent plate having a gallery is provided on the indoor side of the drain hole, rain water is prevented. Even when it infiltrates through the gully of the outer peripheral frame, rainwater that has been prevented from entering the interior by the inner ventilation plate can be smoothly discharged from the drain hole through the drain hole, and the waterproofness can be further improved. .

In addition, the appearance of the house is improved by providing the outside frame with a frame.

[Brief description of drawings]

FIG. 1 is a perspective view showing a house using the structure according to the present invention,
FIG. 2 is a perspective view showing an embodiment of the present invention, and FIG. 3 is a sectional view showing a prior art. 2 ... Gallery device, 3 ... Outer wall, 4 ... Opening, 5 ...
Inner gallery frame, 6 ... Outer gallery frame, 7 ... Inner peripheral frame, 9,
14 …… Gallery, 10 …… Inner ventilation plate, 11 …… Outer peripheral frame, 12…
… Bottom piece, 13 …… Drainage hole, 15 …… Outside vent plate, 27 …… Bottom plate, 34 …… Drain hole, B …… House.

Claims (1)

[Scope of utility model registration request] 1. An outer louver frame having an outer peripheral frame projectingly fitted from an outer wall surface into an opening of an outer wall of a house, and fitted inside the outer peripheral frame from an indoor side and below the outer peripheral frame. It consists of an inner louver frame having an inner peripheral frame with a lower plate located above it with a gap between it and a drainage hole in the lower plate, and on the lower piece and the protruding portion from the outer wall surface. While forming the water drain hole, an outer ventilation plate having a gully on the outer side of the outer peripheral frame and the water drain hole, and an inner vent plate having a gallery on the indoor side of the inner peripheral frame and the drain hole are provided. The characteristic ventilation structure.