JPH11141913A - Heat insulation panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate bonding failure, and prevent inconvenience that an outside peripheral edge plate part of a heat insulation panel is protruded to the outside. SOLUTION: A heat insulation panel 40a is formed by filling expandable urethane foam 44 in an expandable resin filling space 43 formed between an outside member 41 and an inside member 42. In the heat insulation panel, there is provided a gap 51 between an outside peripheral edge plate part 47 of the outside member 41 and an inside peripheral edge plate part 49 of the inside member 42, the gap having an inner end part formed as an opening part 52 opened to the outside and having an outer end part formed as a communication port 53 communicated with the filling space 43. One end of an L shaped gasket 54 is inserted into the gap 51 from the opening part 52, and the outside peripheral edge plate part 47, the inside peripheral edge plate part 49, and the one end of the gasket 54 are bonded with each other with the aid of the expandable urethane foam 44 filled over a remaining space from the filling space 43 through the communication port 53 to a remaining space of the gap 51.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a heat insulating panel used for an air conditioner or the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 11 and 12, an air conditioner 1 includes an air conditioner unit 2 and a casing 3 containing the air conditioner unit 2. FIG. The air conditioning unit 2 includes a heat exchange coil 4 for adjusting the temperature of the air, and a humidifier 5 for giving an appropriate amount of moisture to the air.
And a blower 6 for sending air to each room and the like, and an air filter 7 for removing dust in the air circulated from the blower 6 through each room and the like.

The casing 3 has an air supply port 8 for air blown from the blower 6 and a return air port 9 for taking air circulated through each room and the like into the air conditioning unit 2.
And an inspection port 10 are formed. The casing 3 is formed by connecting a plurality of heat insulating panels 11.

More specifically, FIG. 13 shows details of a corner portion A of the casing 3 shown in FIG. 12. In the corner portion A, the heat insulating panels 11 are connected to an angled frame 12 serving as a frame by bolts 13. Fixed.
As shown in FIGS. 13 and 14, each of the heat insulating panels 11 includes a box-shaped outer member 14 made of a steel plate and having an open surface, and a box-shaped inner member 15 made of a steel plate and having an open surface. The foamed resin material filling space 16 formed between the outer member 14 and the inner member 15 is filled with a urethane foam 17 so as to be loosely fitted to each other.
The urethane foam 17 is used as a heat insulating material and bonds the outer member 14 and the inner member 15 together.

[0005] A heat insulating plate 21 is inserted into a gap 20 formed between the outer peripheral plate 18 of the outer member 14 and the inner peripheral plate 19 of the inner member 15. Buried. Further, a gasket 22 is provided between the inner member 15 of the heat insulating panel 11 and the frame 12 for maintaining the airtightness in the casing 3.

According to this, the heat generated from the air conditioning unit 2 is cut off by the heat insulating panels 11. At this time, the outer member 14 and the inner member 15 of each heat insulating panel 11 are insulated through the urethane foam 17,
Furthermore, since the outer peripheral plate 18 and the inner peripheral plate 19 are insulated through the heat insulating plate 21, it is possible to prevent the temperature change of the inner member 15 from being transmitted to the outer member 14.

[0007]

However, in the above-described conventional type, the outer member 14 and the inner member 15 are bonded by the urethane foam 17, whereas the outer peripheral plate 18 and the inner peripheral plate 18 are bonded to each other. 19 and insulation board 21
It is difficult to bond with
There is a problem that the outer peripheral plate portion 18 not bonded is turned outward.

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the problem that the outer peripheral plate portion is turned outward by eliminating adhesion failure.

[0009]

According to a first aspect of the present invention, there is provided a heat insulating panel comprising: a box-shaped outer member having an open surface and a box-shaped inner member having an open surface; A heat insulating panel formed by filling a foamed resin material into a foamed resin material filling space formed between the outer member and the inner member,
Between the outer peripheral plate of the outer member and the inner peripheral plate of the inner member, one of the inner and outer ends is formed as an opening that opens to the outside, and the other end communicates with the foamed resin material filling space. Providing a gap formed as a communicating part,
Into the gap, a sealing material having heat insulating properties is inserted halfway from the opening to the communication part, and the remaining part of the gap between the outer peripheral plate part and the inner peripheral plate part through the communication part from the foamed resin material filling space. The outer peripheral plate, the inner peripheral plate, and the sealing material are bonded to each other with a foamed resin material filled over the space.

According to this, the outer member and the inner member are insulated through the foamed resin material, and the outer peripheral plate portion and the inner peripheral plate portion are interposed through the heat-insulating sealing material and the foamed resin material. Since it is insulated, it is possible to prevent the temperature change of the inner member from being transmitted to the outer member, and an excellent heat insulating effect is exhibited.

The outer member and the inner member are bonded by a foamed resin material, and the outer peripheral plate portion, the inner peripheral plate portion, and the seal material are all connected to the outer peripheral edge through the communicating portion from the foamed resin material filling space. It is securely bonded with the foamed resin material filled over the remaining space of the gap between the plate portion and the inner peripheral plate portion. Thus, it is possible to prevent a problem that the outer peripheral plate portion is turned outward.

Further, the heat insulating panel according to the second aspect of the present invention comprises:
One end of the sealing material is inserted into a gap between the outer peripheral plate portion and the inner peripheral plate portion, and the other end portion is adhered or adhered to a portion opposed to another adjacent connection member with an adhesive.

According to this, when the heat insulating panel is connected to another connecting member adjacent thereto, the other end of the sealing material is sandwiched between the heat insulating panel and the other connecting member, and the heat insulating panel is connected to the other connecting member. Maintain the airtightness with the connection member. As described above, the sealing material has two functions of heat insulation between the outer peripheral plate portion and the inner peripheral plate portion and airtightness between the heat insulating panel and other connecting members. The heat insulating plate and the gasket can be shared by only the sealing material.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. The same members as those in the related art are denoted by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 2, in the corner portion A of the casing 3, the heat insulating panels 40a and 40b are connected and fixed to one side 12a and the other side 12b of the frame 12 (an example of another connecting member) by bolts 13, respectively. Have been.

As shown in FIG. 1, each of the heat insulating panels 40
a and 40b loosely fit a box-shaped outer member 41 having an open surface and a box-shaped inner member 42 having an open surface such that their opening sides are opposed to each other. It is formed by filling a foamed resin material filling space 43 formed between the inner member 42 and a foamed urethane foam 44 (an example of a foamed resin material).

That is, the outer member 41 is made of a steel plate, and includes an outer plate portion 46 and an outer peripheral plate portion 47 which is bent inward from the periphery of the outer plate portion 46. The inner member 42 is made of a steel plate, and includes an inner plate portion 48 and an inner peripheral plate portion 49 bent outward from a peripheral edge of the inner plate portion 48.

The outer plate portion 46 and the inner plate portion 48
And the inner peripheral plate portion 49 is fitted into the outer peripheral plate portion 47 with the inner and outer surfaces facing each other.
The foamed resin material filling space 43 surrounded by 9 and the outer plate portion 46 is formed.

The outer peripheral plate portion 47 and the inner peripheral plate portion 49
Is formed between them. At the inner end of the gap 51, an opening 52 that opens to the outside is formed. The outer end of the inner peripheral plate 49 and the outer plate 46
Between the space 43 and the gap 5
A communication port 53 (an example of a communication portion) that communicates with the outer end of the first communication device 1 is formed.

One end 54a of a gasket 54 (an example of a sealing material) is inserted into the gap 51 halfway from the opening 52 to the communication port 53. The gasket 54 has heat insulation properties, and is formed into an L shape with soft urethane foam or neoprene foam rubber.
One end 54a of the gasket 54 is connected to the opening 5
It is inserted into the gap 51 in a range of about 1/3 of the length from 2 to the communication port 53.

The one end 54a of the gasket 54, the outer peripheral plate 47 and the inner peripheral plate 49 are filled from the foamed resin material filling space 43 through the communication port 53 over the remaining space of about 2/3 of the gap 51. The foamed urethane foam 44 adheres to each other.

The other end 54b of the gasket 54 is
The heat insulating panels 40a and 40b are bonded to the outer surface of the inner plate portion 48 with an adhesive, and are sandwiched between the frame 12 and the inner plate portion 48 when the heat insulating panels 40a and 40b are connected and fixed to the frame 12. Thereby, the airtightness in the casing 3 is maintained.

The operation of the above configuration will be described below.
When manufacturing the heat insulating panels 40a and 40b, the outer member 4
1 and the inner member 42 are loosely fitted to each other with the opening sides facing each other, and one end 54 a of the gasket 54 is connected to the opening 52.
From the other end of the gasket 54.
b is bonded to the outer surface of the inner plate portion 48 with an adhesive. And
A foamed resin material filling space 43 is formed through a foamed resin material injection hole (not shown) formed in the outer member 41 or the inner member 42.
The urethane foam 44 is injected into the inside.

At this time, the urethane foam 44 is filled in the foam resin material filling space 43, and is further filled through the communication port 53 over the remaining space of the gap 51. Thus, the outer plate portion 46 and the inner plate portion 48 are connected to the foamed urethane foam 4 in the foamed resin material filling space 43.
Further, the outer peripheral plate portion 47, the inner peripheral plate portion 49, and one end portion 54a of the gasket 54 are securely bonded together by the urethane foam 44 in the gap 51. Therefore, it is possible to prevent a problem that the outer peripheral plate portion 47 is turned outward.

Each of the heat insulating panels 4 thus manufactured
As shown in FIG. 2, the casing 3 is assembled by connecting and fixing the frames 0a and 40b to the frame 12 with bolts 13, respectively.

According to this, the outer plate portion 46 and the inner plate portion 4
8 is insulated through the urethane foam 44, and the outer peripheral plate 47 and the inner peripheral plate 49 are insulated through the gasket 54 and the urethane foam 44. Can be prevented from being transmitted to the outer member 41, and an excellent heat insulating effect is exhibited.

Further, when connecting each of the heat insulating panels 40a, 40b to the frame 12, the other end 5 of the gasket 54 is connected.
4b is sandwiched between the heat insulating panels 40a, 40b and the frame 12, so that the airtightness in the casing 3 is maintained. As described above, the gasket 54 has two functions such as heat insulation between the outer peripheral plate portion 47 and the inner peripheral plate portion 49 and maintenance of airtightness between the heat insulating panels 40a and 40b and the frame 12. , Conventional insulation plate 2
1 (see FIG. 13) and the gasket 22 (see FIG. 13) can be shared by the gasket 54 alone, thus reducing costs.

Further, the entire gasket 54 is
1 gasket 5
4 can be inserted into the gap 51 within a range of about 1/3 of the length from the opening 52 to the communication port 53, so that the insertion amount of the gasket 54 into the gap 51 is short.
Therefore, after fitting the inner member 42 to the outer member 41, the gasket 54 can be easily attached,
Workability is improved.

As a second embodiment, as shown in FIG. 3, the end of one heat insulation panel 40a and the end of the other heat insulation panel 40b are overlapped and connected to the frame 12 by bolts 13. It may be fixed.

According to this, the other end 54b of the gasket 54 of one of the heat insulating panels 40a is connected to one side 1 of the frame 12.
2a and the inner plate portion 48 of one of the heat insulating panels 40a, and the other end 54b of the gasket 54 of the other heat insulating panel 40b is connected to the inner plate portion 48 of the other heat insulating panel 40b and one of the heat insulating panels. It is sandwiched between the outer peripheral plate portion 47 of the outer peripheral portion 40a. Therefore, the airtightness in the casing 3 is maintained.

As a third embodiment, as shown in FIG. 4, one of the heat insulating panels 4 is provided without the frame 12.
The end of the heat insulating panel 40a and the end of the other heat insulating panel 40b may be overlapped with each other and the bolts 13 may be used to connect and fix the heat insulating panels 40a and 40b to each other.

According to this, the other end 54b of the gasket 54 of the other heat insulating panel 40b is connected to the other heat insulating panel 40b.
b and the outer peripheral plate 47 of one of the heat insulating panels 40a. Therefore, the casing 3
The airtightness inside is maintained.

In each of the above embodiments, the L-shaped gasket 54 is used. However, in the fourth to sixth embodiments,
The shape of the other end 54b of the gasket 54 is shown in FIG.
To FIG. 7.

That is, in the fourth embodiment, as shown in FIG. 5, an air layer 61 is formed inside the other end 54b of the gasket 54. According to this, the other end 54 b of the gasket 54 is connected to the inner plate 48 and the frame 12.
When the air layer 61 is sandwiched in between, the other end 54b of the gasket 54 comes into tight contact with the surface of the frame 12 due to the repulsive force at this time. This improves the airtightness.

In the fifth embodiment, as shown in FIG. 6, a saw-shaped uneven portion 63 is formed on the outer surface of the other end 54b of the gasket 54. According to this, when the other end portion 54b of the gasket 54 is sandwiched between the inner plate portion 48 and the frame 12, the uneven portion 63 is compressed, and the repulsive force at this time causes the uneven portion 63 to be formed on the surface of the frame 12. Be tight and tight. This improves the airtightness.

In the sixth embodiment, as shown in FIG. 7, a corrugated uneven portion 64 is formed on the outer surface of the other end 54b of the gasket 54. According to this, when the other end portion 54b of the gasket 54 is sandwiched between the inner plate portion 48 and the frame 12, the uneven portion 64 is compressed, and the repulsive force at this time causes the uneven portion 64 to be placed on the surface of the frame 12. Be tight and tight. This improves the airtightness.

In each of the above embodiments, the one end 54a of the gasket 54 is inserted into the gap 51 within a range of about 1/3 of the length from the opening 52 to the communication port 53, but less than 1/3 ( (That is, shorter than 1/3).

In the above embodiments, the other end 54b of the gasket 54 is bonded to the outer surface of the inner plate 48 with an adhesive, but the other end 54b is connected to the inner plate 48 without using an adhesive. 48 may be merely adhered to the outer surface.

In each of the above embodiments, the L-shaped gasket 54 is used. However, as a seventh embodiment, FIG.
As shown in FIG. 9, a J-shaped gasket 66 may be used. That is, one end 66 a of the gasket 66 is inserted into the gap 51 from the opening 52, and the other end 66 b wraps around from the inner end of the outer peripheral plate 47 to the outer surface of the outer peripheral plate 47 with an adhesive. Glued.

According to this, each of the heat insulating panels 40a, 40
When the b and the frame 12 are connected by the bolts 13, the intermediate portion 66c of the gasket 66 is sandwiched between the inner end of the outer peripheral plate 47 and the frame 12, so that the airtightness in the casing 3 is maintained. . Further, since the outer surface of the outer peripheral plate portion 47 is covered with the other end portion 66b of the gasket 66, it is possible to prevent dew condensation from occurring on the outer surface of the outer peripheral plate portion 47.

In the seventh embodiment, the gasket 6
6, one end 66a is inserted into the gap 51 within a range of about 1/3 of the length from the opening 52 to the communication port 53.
It may be inserted in a range of less than 3 (that is, shorter than 1/3).

In the seventh embodiment, the gasket 6
6, the other end 66b is adhered to the outer surface of the outer peripheral plate 47 with an adhesive.
May be merely brought into close contact with the outer surface of the outer peripheral plate portion 47.

Further, as an eighth embodiment, FIG.
As shown in FIG. 7, an F-shaped gasket 68 may be used. That is, the gasket 68 includes a first sheet portion 68 a inserted into the gap 51 from the opening 52 and a second sheet portion 68 bonded to the outer surface of the outer peripheral plate portion 47 with an adhesive.
and a third sheet portion 68c integrally connected between the inner ends of the sheet portions 68a and 68b and bonded to the outer surface of the inner plate portion 48 with an adhesive.

According to this, each of the heat insulating panels 40a, 40
When the b is connected to the frame 12, the third sheet portion 68c of the gasket 68 is sandwiched between the heat insulating panels 40a, 40b and the frame 12, so that the airtightness in the casing 3 is maintained. Further, since the outer surface of the outer peripheral plate portion 47 is covered with the second sheet portion 68b of the gasket 68,
It is possible to prevent dew condensation from occurring on the outer surface of the outer peripheral plate portion 47.

In the eighth embodiment, the gasket 6
8 is inserted into the gap 51 within a range of about 1/3 of the length from the opening 52 to the communication port 53, but less than 1/3 (that is, shorter than 1/3). It may be inserted in the range.

In the eighth embodiment, the gasket 6
Although the third sheet portion 68c of No. 8 is bonded to the outer surface of the inner plate portion 48 with an adhesive, the third sheet portion 68c is merely brought into close contact with the outer surface of the inner plate portion 48 without using an adhesive. You may.

In each of the above embodiments, the foamed urethane foam 44 is used as an example of the foamed resin material. Alternatively, styrene foam or the like may be used.

[0048]

According to the first aspect of the present invention, the outer member and the inner member are bonded by the foamed resin material, and the outer peripheral plate, the inner peripheral plate, and the sealing material are all filled with the foamed resin material. It is securely bonded with the foamed resin material filled over the remaining space of the gap between the outer peripheral plate portion and the inner peripheral plate portion from the space through the communicating portion. Thus, it is possible to prevent a problem that the outer peripheral plate portion is turned outward.

The sealing material is not inserted into the gap between the outer peripheral plate portion and the inner peripheral plate portion, but is inserted into the gap from the opening to the middle of the communication portion. Therefore, the amount of insertion of the sealing material into the gap is short, so that the sealing material can be easily attached after the inner member and the outer member are loosely fitted to each other, and the workability is improved.

Further, according to the second invention, the sealing material is
In order to perform two functions such as heat insulation between the outer peripheral plate and the inner peripheral plate and maintenance of airtightness between the heat insulating panel and other connecting members, the conventional heat insulating plate and gasket are replaced with only a sealing material. , Which can reduce the cost.

[Brief description of the drawings]

FIG. 1 is a sectional view of a heat insulating panel according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a connecting portion between the heat insulating panels.

FIG. 3 is a sectional view of a connecting portion between heat insulating panels according to a second embodiment of the present invention.

FIG. 4 is a sectional view of a connecting portion between heat insulating panels according to a third embodiment of the present invention.

FIG. 5 is a sectional view of a heat insulating panel according to a fourth embodiment of the present invention.

FIG. 6 is a sectional view of a heat insulating panel according to a fifth embodiment of the present invention.

FIG. 7 is a sectional view of a heat insulating panel according to a sixth embodiment of the present invention.

FIG. 8 is a sectional view of a heat insulating panel according to a seventh embodiment of the present invention.

FIG. 9 is a cross-sectional view of a connecting portion between the heat insulating panels.

FIG. 10 is a sectional view of a heat insulating panel according to an eighth embodiment of the present invention.

FIG. 11 is a front view of an air conditioner in which a plurality of heat insulating panels are used.

FIG. 12 is a partially cutaway plan view of the air conditioner.

FIG. 13 is a cross-sectional view of a connecting portion between conventional heat insulating panels.

FIG. 14 is a sectional view of a conventional heat insulating panel.

[Explanation of symbols]

 Reference Signs List 12 Frame (other connection members) 40a, 40b Heat insulation panel 41 Outer member 42 Inner member 43 Foam resin material filling space 44 Foam urethane foam (foam resin material) 47 Outer peripheral plate portion 49 Inner peripheral plate portion 51 Gap 52 Opening 53 Communication port (communication part) 54 Gasket (sealant) 54a One end 54b Other end 66 Gasket (sealant) 66a One end 66b Other end 68 Gasket (sealant)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akira Takeuchi 28 Hiraide Industrial Park, Utsunomiya City, Tochigi Prefecture Inside Kubota Lane Co., Ltd. (72) Inventor Shuichi Suwa 28 Hiraide Industrial Park Utsunomiya City, Tochigi Prefecture Kubota Lane Co., Ltd. In Tochigi factory

Claims (2)

[Claims] 1. A box-shaped outer member having an open surface and a box-shaped inner member having an open surface are loosely fitted to each other with their opening sides facing each other, and between the outer member and the inner member. A heat insulating panel formed by filling a formed foamed resin material filling space with a foamed resin material, wherein between the outer peripheral plate portion of the outer member and the inner peripheral plate portion of the inner member, any one of inside and outside is provided. One end is formed as an opening that opens to the outside and the other end is provided with a gap that is formed as a communication part that communicates with the foamed resin material filling space, and in the gap, halfway from the opening to the communication part, Inserting a sealing material having heat insulation properties, the outer peripheral plate portion with the foamed resin material filled over the remaining space of the gap between the outer peripheral plate portion and the inner peripheral plate portion via the communicating portion from the foamed resin material filling space. With inner peripheral plate and sealing material A heat insulating panel characterized by being bonded to each other. 2. An end of the sealing material is inserted into a gap between the outer peripheral plate and the inner peripheral plate, and the other end is adhered to a portion opposed to another adjacent connecting member by an adhesive or an adhesive. The heat insulation panel according to claim 1, wherein: