JPH09250230A - Opening structure of external wall and duct fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate ventilation in a wall from being obstructed. even if a wear plate for reinforcement is provided for fitting a duct in an opening of the external wall of a building. SOLUTION: A wear plate 1 for reinforcement is provided on the back face of an outside surface material 11 for fitting a duct, a hood, etc., in an opening 10 in an external wall where an insulating later and a wall ventilating layer 15 are formed between the inside surface material 12 and the outside surface material 11. A clearance is formed between the wear plate 1 and the back face of the outside surface material 11 so that a ventilating layer 16 is formed and this ventilating layer is communicated with the wall ventilating layer 15.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an opening structure for an outer wall,
And a mounting structure for a duct mounted in this opening.

[0002]

2. Description of the Related Art Conventionally, in a building such as a general house, as described in Japanese Patent Publication No. 4-72936, an air flow passage is provided between an outer wall (outer side member) and an inner wall (inner side member). There is a building having a structure in which a so-called ventilation layer that allows air to flow is provided and the ventilation layer communicates with the outside air.

By providing a ventilation layer on the outer wall in this way, in summer, cold air is made to flow in from the underside of the floor and circulated upward through the ventilation layer to improve the heat dissipation of the building and improve the cooling effect. Alternatively, in the winter, there is an advantage that the warm air accumulated in the back of the hut or the like by heating can be made to flow through the ventilation layer of the outer wall to improve the heating efficiency of the building.

In the above-mentioned building in which the ventilation layer is provided on the outer wall, when the duct for air conditioning of the building is communicated with the outside and the end of the duct is attached to the opening provided on the outer wall, The opening is generally provided with a backing plate for reinforcement. In the opening structure of the outer wall reinforced by the receiving plate, as shown in FIG. 6, a heat insulating layer 300 is formed by a heat insulating material between the outer side surface material 100 and the inner side surface material 200 of the outer wall. A ventilation layer 400 is formed between the material 100 and the heat insulating layer 300. In the above-described structure, the receiving plate 500 for reinforcement is attached to the gap on the back side of the opening 110 of the side member 100, which is just the ventilation layer 400.

[0005]

However, as shown in FIG. 6, when a reinforcing backing plate 500 is provided on the back side of the opening 110 of the outer wall 100, the backing plate 500 interferes with the studs 600, 600. There is a problem in that the ventilation in the vertical direction between them is blocked, and the ventilation performance of the outer wall deteriorates even if only partially.

The present invention has been made in view of the above problems, and an object thereof is to solve these problems and to attach a duct to an opening of an outer wall of a building. (EN) Provided is an outer wall opening structure and a duct mounting structure in which ventilation in a wall is not hindered even when a receiving plate for reinforcement is provided.

[0007]

In the opening structure of the outer wall of the present invention according to claim 1, the opening of the outer wall in which the heat insulating layer and the in-wall ventilation layer are formed between the inner surface member and the outer surface member is provided. An opening structure of the outer wall is provided with a backing plate for reinforcement on the back surface of the outer surface member for attaching a duct or the like, and a gap is provided between the back plate and the back surface of the outer surface member. A ventilation layer is formed, and the ventilation layer is in communication with the in-wall ventilation layer.

Further, in the duct mounting structure of the present invention according to claim 2, a mounting hole is formed in the receiving plate of the opening structure of the outer wall according to claim 1, and the duct is mounted in this mounting hole. Is characterized by.

Further, in the duct mounting structure of the present invention as set forth in claim 3, the receiving plate of the opening structure of the outer wall according to claim 1 or 2 is formed by stacking a plurality of plates having different width dimensions. Is characterized by.

In the opening structure of the outer wall of the present invention according to claim 1, a ventilation layer is formed by providing a gap between the backing plate and the back surface of the outer surface member, and this ventilation layer is the above-mentioned in-wall ventilation layer. Since it is communicated with, the ventilation in the up-down direction or the left-right direction in the wall can be performed without being obstructed, and the ventilation performance almost equal to the original can be secured.

Further, in the duct mounting structure of the present invention according to claim 2, a mounting hole is formed in the receiving plate of the opening structure of the outer wall according to claim 1, and the duct is mounted in this mounting hole. Therefore, the duct does not obstruct the ventilation in the wall due to the opening, and the duct can be firmly and surely attached.

Further, in the duct mounting structure according to the present invention as defined in claim 3, the receiving plate of the opening structure for the outer wall according to claim 1 or 2 is constructed by stacking a plurality of plates having different width dimensions. The receiving plate can be manufactured at a low cost with a simple structure.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an example of a receiving plate used for the opening structure of the outer wall of the present invention according to claim 1, and FIG. 2 is a perspective view showing another example of the receiving plate. The backing plate 1 shown in FIG. 1 is a horizontally long rectangular backing plate body 1a.
And an auxiliary plate 1b attached only to the substantially central portion of the receiving plate 1a.

The receiving plate 1 is attached so that the side of the auxiliary plate 1b is in contact with the back side of the outer surface material of the outer wall. Therefore, the recesses 1c on both sides of the auxiliary plate 1b form a gap serving as a ventilation layer between the outer wall and the back side of the outer surface member.

Similarly, in the case of the receiving plate 2 shown in FIG. 2, auxiliary plates 2b and 2b are attached to both ends of the receiving plate body 2a, and the auxiliary plates 2b are brought into contact with the back side of the outer surface material of the outer wall. It can be attached. Therefore, due to the concave portion 2c formed in the central portion between the auxiliary plates 2b, 2b, a gap serving as a ventilation layer is formed between the auxiliary plate 2b and the back side of the outer surface member of the outer wall.

After the receiving plates 1 and 2 are attached to the central portions of the receiving plates 1 and 2 on the back side of the outer surface material of the outer wall, the ends of the ducts are attached in a post process to communicate with the outside. The opening is formed.

FIG. 3 is a cross-sectional view showing an example of the opening structure of the outer wall of the present invention according to claim 1, in which an end portion of the duct is attached in a post process and an opening for communicating with the outside is bored. It shows an embodiment.

The outer wall of this building is composed of studs 13 standing upright at appropriate intervals, and an outer side surface member 11 and an inner side surface member 12 attached to the studs 13. The opening 10 in the opening structure of the outer wall of the present invention is provided between the studs 13 and 13 and above the outer wall.

A heat insulating material 14 is inserted into a space provided between the outer side surface material 11 and the inner side surface material 12 to form a heat insulating layer, and the back side of the outer side surface material 11 and the heat insulating material 14 are separated from each other. An in-wall ventilation layer 15 is provided in between, and a vertical air flow path is formed between the studs of each portion.

Between the studs 13 and 13 on the back side of the outer surface member 11 and between the heat insulating member 14, the receiving plate 1 shown in FIG. It is nailed and stretched. The tension of the receiving plate 1 on the outer side surface member 11 is performed in a state where the auxiliary plate 1b of the receiving plate 1 is in contact with the back side of the outer side surface member 11. Therefore, a gap is provided between the receiving plate body 1a and the back side of the outer surface member 11, and the ventilation layer 16 is formed.

In the present embodiment, a flat backing plate 17 is provided on the back surface of the inner side surface member 12 of the outer wall, and the periphery of the opening 10 of the inner side surface member 12 is reinforced.

Therefore, this ventilation layer 16 is formed by the studs 13, 13.
Since it is communicated with the vertical in-wall ventilation layer between them, the vertical ventilation in the wall is secured without being obstructed, and it is possible to obtain almost the same ventilation performance as the original.

FIG. 4 is a sectional view showing an example of the duct mounting structure of the present invention according to claim 2, and FIG. 5 is a horizontal sectional view of FIG. Further, the present embodiment shows a mode in which a hood for avoiding wind and rain is attached to the outdoor side of the opening.

In FIGS. 4 and 5, reference numeral 18a denotes a flexible type duct disposed in the ceiling of the building, and the duct 18a is attached to the opening 10 shown in FIG. 3 as described below. The duct 18b made of glass wool at the end is connected and provided just before the outer wall.

The cross-sectional shape of the opening 10 into which the duct 18b is inserted is bored so as to conform to the outer shape of the duct 18b. The end face of the back plate 1 is abutted against the back side of the back plate body 1a of the back plate 1 and fitted in the back plate body 1a.
A peripheral edge of the opening 10 of the receiving plate 17 through which 8b is penetrated is protected by an aluminum butyl tape 21.

The end of the hood 19 is fitted in the opening 10, the peripheral flange is fixed to the outer surface member 11 by wood screws or the like, and the periphery of the hood 19 is caulked for waterproofing.
Sealed by 0.

Therefore, as described above, the duct mounting structure according to the present embodiment can have a structure in which the duct is firmly and securely mounted without obstructing ventilation in the wall by the opening.

[0027]

In the opening structure of the outer wall of the present invention according to claim 1, a ventilation layer is formed by providing a gap between the backing plate and the back surface of the outer surface member, and the ventilation layer is formed in the wall. Since it is communicated with the ventilation layer, it can be performed without obstructing the ventilation in the vertical direction or the horizontal direction in the wall, and it is possible to secure substantially the same ventilation performance as the original.

Further, in the duct mounting structure of the present invention according to claim 2, a mounting hole is formed in the receiving plate of the opening structure of the outer wall according to claim 1, and the duct is mounted in this mounting hole. Therefore, the duct does not obstruct the ventilation in the wall due to the opening, and the duct can be firmly and surely attached.

Further, in the duct mounting structure according to the present invention as defined in claim 3, the receiving plate of the opening structure for the outer wall according to claim 1 or 2 is formed by stacking a plurality of plates having different width dimensions. The receiving plate can be manufactured at a low cost with a simple structure. Therefore, it is suitable as an opening structure of the outer wall and a duct mounting structure.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a backing plate used in the outer wall opening structure of the present invention according to claim 1.

FIG. 2 is a perspective view showing another example of the receiving plate.

FIG. 3 is a (horizontal) cross-sectional view showing an example of the opening structure of the outer wall of the present invention according to claim 1.

FIG. 4 is a (vertical) sectional view showing an example of a duct mounting structure according to a second aspect of the invention.

5 is a (horizontal) sectional view of FIG.

FIG. 6 is a cross-sectional view showing a conventional opening structure of an outer wall.

[Explanation of symbols]

 1, 2, 17 Support plate 1a, 2a Support plate main body 1b, 2b Auxiliary plate 10 Opening 11 Outer side surface material 12 Inner side surface material 13 Stud 14 Heat insulation material 15 Ventilation layer in wall 16 Ventilation layer 18a, 18b Duct 19 Hood 20 Caulking material 21 Aluminum butyl tape

Claims (3)

[Claims] 1. A reinforcing receiving plate is provided on the back surface of the outer panel for attaching a duct or the like to the opening of the outer wall in which the heat insulating layer and the in-wall ventilation layer are formed between the inner surface material and the outer surface material. In the opening structure of the outer wall provided, a ventilation layer is formed by providing a gap between the receiving plate and the back surface of the outer surface member,
An opening structure for an outer wall, wherein the ventilation layer is in communication with the in-wall ventilation layer. 2. A duct mounting structure characterized in that a mounting plate having an opening structure for an outer wall according to claim 1 is provided with a mounting hole, and a duct is mounted in the mounting hole. 3. The receiving plate is formed by stacking a plurality of plates having different width dimensions.
The outer wall opening structure described.