JPH08334261A - Airtight structure of built-in indoor machine of air conditioner - Google Patents

Abstract

PURPOSE: To provide an airtight structure of a built-in indoor machine of an air conditioner, which can be easily installed and provide a complete airtight condition. CONSTITUTION: An airtight structure of a built-in indoor machine 11 of an air conditioner installed on an inner wall member 12 of a building is such that a casing member 14 formed of plastics and opened to a room side is mounted to an opening 13 formed in the inner wall member 12 and the built-in indoor machine 11 is received in the casing member 14. The casing member 14 comprises a casing body 17, in which the built-in indoor machine 11 is received, and a flanged portion 18 formed around the casing body 17. The flanged portion 18 is made to closely and airtightly adhere to a surface of the inner wall member 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight structure for an air conditioner indoor unit installed on an inner wall member of a building.

[0002]

BACKGROUND ART As shown in FIG. 3, there is a so-called built-in indoor unit 52 which is an indoor unit of an air conditioner and is installed on an inner wall member 51 of a building. That is, an opening is formed in the inner wall member 51 of the building.
53 is formed, and the indoor unit 52 is installed in the opening 53 so as to be incorporated in the inner wall member 51. Then, when there is a gap between the opening 53 and the indoor unit 52,
The warm air or the cold air 54 may leak to cause energy loss, or drafts may cause discomfort. To solve this, it is necessary to fill the gap with a suitable packing (not shown).

[0003]

[Problems to be Solved by the Invention] The air conditioner indoor unit 52
In the installation of No. 2, when the packing is filled, the work is not easy, and therefore installation of the air conditioner indoor unit 52 takes time and time. Moreover, since it is difficult to completely fill the packing, there is a possibility that the airtightness may be deteriorated later. Furthermore, even if the packing itself is completely filled,
There is also a possibility that poor airtightness may occur through the inside of the air conditioner indoor unit 52.

Therefore, an object of the present invention is to provide an airtight structure of a built-in indoor unit of an air conditioner which can be easily installed and can obtain a completely airtight state.

[0005]

A first aspect of the present invention is an airtight structure for a built-in indoor unit of an air conditioner installed on an inner wall member of a building, wherein an opening formed in the inner wall member has an indoor side. A case member opened to the above is airtightly attached to the opening, and the built-in indoor unit is housed in the case member.

In the airtight structure of the built-in indoor unit for an air conditioner according to the second aspect of the present invention, in the first aspect, the case member is formed around the case body in which the built-in indoor unit is housed, and around the case body. And a flange portion formed on the inner wall member, the flange portion being in close contact with the surface of the inner wall member. An adhesive or the like may be used to bring the flange portion into close contact with the surface of the inner wall.

The airtight structure of the built-in indoor unit for an air conditioner according to the third aspect of the present invention is the airtight structure according to the first or second aspect of the invention.
The case member is made of plastic. Any material can be used as the plastic, for example, polyethylene, polypropylene, polyvinyl chloride, or the like can be used.

The airtight structure of the built-in indoor unit for an air conditioner according to the fourth aspect of the present invention is the airtight structure according to the second or third aspect of the invention.
The flange portion is made of hard plastic. As for the hardness of the hard plastic, it is sufficient that the hard plastic has such a hardness that it can stand alone without being bent. Alternatively, thick soft plastic can be used instead of hard plastic.
The case body may be made of the same hard plastic or soft plastic as the flange portion.

An airtight structure of a built-in indoor unit for an air conditioner according to a fifth aspect of the present invention is the airtight structure according to any one of the first to fourth aspects, wherein the case member has a hole for inserting a pipe in a part thereof. Is characterized by.

[0010]

According to the airtight structure of the built-in indoor unit of the air conditioner of the present invention, since the built-in indoor unit is housed through the case member that is airtightly attached to the opening formed in the inner wall member, the airtight state is maintained. It is not necessary to fill the packing into the gap to obtain it. Further, since it is in a completely airtight state, there is no fear that the airtightness will occur after the built-in indoor unit is installed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An airtight structure of a built-in indoor unit 11 for an air conditioner according to an embodiment of the present invention will be described with reference to FIGS.
In the airtight structure of this embodiment, the built-in indoor unit
11 is a case member 14 in an opening 13 formed in the inner wall member 12.
It is stored through.

The built-in indoor unit 11 is connected to an outdoor unit (not shown) by a pipe 15 such as a refrigerant pipe. The inner wall member 12 is, for example, a gypsum board in a unit type building. An outer wall member 16 such as a lightweight cellular concrete panel is provided on the outdoor side. The opening 13 is a quadrangle corresponding to the built-in indoor unit 11. The vertical and horizontal dimensions substantially correspond to the vertical and horizontal dimensions of the case member 14,
The case member 14 is slightly larger so that it is fitted into the opening 13.

The case member 14 has a case body 17 which is open to the inside of the room and accommodates the built-in indoor unit 11, and a flange portion 18 formed around the case body 17. The case body 17 includes a square back surface portion 19 and side portions 21 formed along the four sides of the back surface portion 19 in a direction perpendicular to the back surface portion 19. And the indoor unit
The case body 17 has a sufficiently large depth and vertical and horizontal dimensions with respect to the indoor unit 11 so that when the 11 is housed in the case member 14, a gap that allows ventilation is created around the indoor unit 11. . The flange portion 18 is formed in a direction along the surface of the inner wall member 12 on the indoor side. These case bodies
The case member 14 having the flange portion 17 and the flange portion 18 is integrally molded of hard polyvinyl chloride. This rigid polyvinyl chloride has an average molecular weight of about 700 without adding a plasticizer.

The case member 17 is hermetically attached to the opening 13 because the flange portion 18 thereof is in close contact with the surface of the inner wall member 12 via an adhesive. The case member 17 is supported by the core member 23 on the back surface of the inner wall member 12. Then, the built-in indoor unit 11 is housed in the case member 14, and the pipe 15 is attached to the side portion 21 of the case member 14.
It is connected to an outdoor unit (not shown) through a hole 22 for inserting a pipe formed in.

Built-in indoor unit 11 of the air conditioner of this embodiment
The airtight structure of can be provided as follows. That is, as shown in FIG. 1, the case member 14 is fitted into the opening 13 formed in the inner wall member 12 of the building, and the flange portion 18 thereof is adhered to the surface of the inner wall member 12 with an adhesive agent. The case member (14) is attached to the opening (13) in an airtight manner.

Next, the indoor unit 11 is housed in the case member 14 at appropriate intervals so that a gap for ventilation is formed around the indoor unit 11, and the pipe 15 is provided with a hole for inserting the pipe in the case member 14. Connect to the outdoor unit through 22. The hole 22 may be formed in the case member 14 in accordance with the position of the hole 22 to be formed on site. Then, during this piping work, if there is a gap between the hole 22 and the pipe 15, only that portion is filled with a sealant for sealing treatment.

According to the airtight structure of the built-in indoor unit 11 of the above embodiment, the built-in indoor unit 11 is housed through the case member 14 that is airtightly attached to the opening 13 of the inner wall member 12, so that the airtight state is maintained. It is not necessary to fill the gap with the packing to obtain the gap.

Since the case member 14 can be fitted and fitted into the opening 13 formed in the inner wall member 12, this mounting work is easy. The case member 14
Is made of plastic and is completely airtight,
After the built-in indoor unit 11 is installed, there is no risk of poor airtightness.

Further, since the case member 12 including the flange portion 18 is entirely made of hard polyvinyl chloride, a predetermined shape can be easily maintained. Further, since the case member 14 is obtained by integral molding of resin using plastic such as hard polyvinyl chloride as a material, it is easy to manufacture and is inexpensive.

Although the case member 14 is made of plastic in the above embodiment, if the case member 14 is airtight,
For example, metal other than plastic may be used. Further, in the above embodiment, the case member 14 is entirely made of hard polyvinyl chloride, but only the flange portion 18 may be made of hard polyvinyl chloride and the case body 17 may be made of soft polyvinyl chloride.

[0021]

According to the airtight structure of the built-in indoor unit for an air conditioner according to the present invention, the built-in indoor unit is housed through the case member that is airtightly attached to the opening of the inner wall member. Can be easily provided, and a completely airtight state can be obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an airtight structure of a built-in indoor unit according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an airtight structure of the same example.

FIG. 3 is a perspective view of a built-in indoor unit according to a conventional example.

[Explanation of symbols]

 11 Built-in indoor unit 12 Inner wall member 13 Opening 14 Case member 15 Piping 17 Case body 18 Flange 22 Hole

Claims (5)

[Claims] 1. An airtight structure for a built-in indoor unit of an air conditioner installed on an inner wall member of a building, wherein a case member opened to an indoor side is airtight in the opening formed in the inner wall member. An airtight structure for a built-in indoor unit of an air conditioner, wherein the built-in indoor unit is attached and housed in the case member. 2. The case member includes a case body in which the built-in indoor unit is housed, and a flange portion formed around the case body, the flange portion being in close contact with the surface of the inner wall member. The airtight structure of the built-in indoor unit of the air conditioner according to claim 1, wherein 3. The airtight structure for a built-in indoor unit of an air conditioner according to claim 1, wherein the case member is made of plastic. 4. The airtight structure for a built-in indoor unit of an air conditioner according to claim 2, wherein the flange portion is made of hard plastic. 5. The airtight structure for a built-in indoor unit of an air conditioner according to claim 1, wherein the case member has a hole for inserting a pipe in a part thereof.