JPH0989287A - Ceiling buried air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts, and omit the work of stretching a heat insulating member. SOLUTION: The unit body is adapted such that is accomodates an indoor heat exchanger, a fan, and a fan motor, etc. This ceiling buried air conditioner includes the unit body on the external surface of an external heat insulating member. In the air conditioner, the unit body 22 is formed with side plates 101, 103 comprising a steel plate provided with a heat insulating member, and a top plate 105. The side plates 101, 103 are joined with the external surface of the top plate 105, and at least one ends of the side plates 101, 103 are extended to the lower surface of the top plate 105.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a structure of a ceiling-embedded air conditioner.

[0002]

2. Description of the Related Art Generally, a ceiling-embedded air conditioner having a unit body for accommodating an indoor heat exchanger, a fan, a fan motor, etc. is known. In this type, when manufacturing the unit main body, for example, prepare four side plates and one top plate, spot weld four side plates to the periphery of this one top plate, and then, It is common to put a heat insulating material on the outer surface of the unit body and also a heat insulating material on the inner surface thereof.

[0003]

However, it is difficult to put the heat insulating material on the outer surface of the unit body and the heat insulating material on the inner surface of the unit body as in the prior art. If two sheets are prepared and spot welded to each other, the number of parts of the side plate and the top plate increases, and there is a problem that the management of the parts becomes difficult.

Therefore, an object of the present invention is to eliminate the problems of the above-mentioned conventional techniques, reduce the number of parts, and eliminate the work of applying a heat insulating material. To provide a type air conditioner.

[0005]

According to a first aspect of the present invention, there is provided a unit body for accommodating an indoor heat exchanger, a fan, a fan motor and the like, the unit body having an external heat insulating material provided on an outer surface thereof. In a ceiling-embedded air conditioner,
The unit body is formed of a side plate made of a steel plate with a heat insulating material, and a top plate, the side plate is joined to an outer surface of the top plate, and at least one end of the side plate extends to the lower surface of the top plate. It is what

According to the present invention, since the steel plate with the heat insulating material is used, the work of stretching the external heat insulating material can be omitted, and at least one end of the side plate extends to the lower surface of the top plate. Therefore, in the unlikely event that the top plate falls by any means, this top plate is supported by at least one end of the side plate extending to the lower surface of the top plate. There is no such thing.

The invention according to claim 2 is a unit main body for accommodating an indoor heat exchanger, a fan, a fan motor, and the like, and having a unit main body provided with an external heat insulating material on the outer surface thereof, the ceiling-embedded air conditioner. In the machine, the unit body is formed of a side plate made of a steel plate with a heat insulating material and a top plate, and is bent so as to raise the peripheral edge of the top plate, and the heat insulating material attached to the outer surface of the peripheral edge is removed. The surface of the side plate on which the heat insulating material is not attached is joined to the outer surface from which the material has been removed, and the first end of the side plate corresponding to the overlapping part of this side plate is bent, and the first end of the side plate is Inserted into the notch of the peripheral bent portion, the inserted first end is applied to the inner surface of the second end of the side plate, and the second end and the first end are joined. It is characterized by that.

The invention described in claim 3 is the invention according to claim 1 or 2.
The side plate is characterized by comprising two side plates bent into an L shape.

According to these aspects of the invention, which is almost the same as the one described in claim 1, and since the unit main body is formed of the side plate made of a steel plate with a heat insulating material and the top plate, the work of applying the external heat insulating material Can be omitted. If the side plate is composed of two side plates bent into an L shape,
The number of parts is reduced.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a plan view of an embodiment of the air conditioning apparatus of the present invention, and FIG. 2 is a sectional view of the air conditioning apparatus. As shown in FIG. 2, this air conditioner has a ceiling-embedded air conditioner 10 that is suspended and fixed in a ceiling space 11 of a building 40. A suction port 16 is opened at the center of the decorative panel 14 of the air conditioner 10, and a suction grill 52 is provided there. A total of four outlets 18 are opened at positions around the suction port 16 of the decorative panel 14 in all directions.

In the unit body 22 of the air conditioner 10,
As shown in FIG. 1, the fan motor 24 and the turbo fan 2
6, partition plate 28, drain pump 30, drain drain port 3
2, a refrigerant pipe 34, an operation control electrical equipment box 36, a heat exchanger 38 bent into a substantially rectangular shape, and the like are provided. Then, when the fan 26 is rotationally driven, air is sucked into the suction port 1.
After being sucked from 6, the heat is exchanged in the heat exchanger 38, the air-conditioned air is blown into the room R from the air outlet 18. A refrigerant pipe 34 is connected to the heat exchanger 38, and the heat exchanger 38 is supplied with a refrigerant from an outdoor unit (not shown) through the refrigerant pipe 34. Four bolts 42 are set vertically downward from the building 40, and these bolts 42 are connected to a hanging fitting 44 fixed to the unit body 22.

When the fan motor 24 in the unit body 22 of FIG. 1 is operated, the turbo fan 26 rotates,
The air in the room R is sucked in through the suction port 16 shown in FIG. 2, cleaned by the filter 20, sent to the heat exchanger 38, and heat-exchanged by the heat exchanger 38.
Is blown into the room R from.

According to this embodiment, the unit body 2
It is characterized by the structure of 2. Referring to FIG. 3, the unit main body 22 includes two side plates 101 and 103 bent in an L shape.
And a top plate 105. The side plates 101, 103 and the top plate 105 are made of a so-called heat-insulating steel plate pre-insulated with a heat insulating material. That is, the side plates 101, 1
In Fig. 03, the heat insulating material 111 is preliminarily stretched on the outer surface of each side plate 101, 103, and in the top plate 105, the heat insulating material is previously formed on the lower surface in Fig. 3 and on the surface corresponding to the upper surface when embedded in the ceiling. 111 is stretched. These side plates 101, 10
3, and the top plate 105, when assembled as described later, have a substantially box shape as shown in FIG. 4, and the box-shaped unit main body 22 has an outer surface with a heat insulating material of the above-described heat-insulating steel plate. 111 is exposed. According to this embodiment, the external heat insulating material 111 of the unit main body 22 is made of a heat insulating material 111 made of a steel sheet with a heat insulating material, and the inner heat insulating material is a box-shaped heat insulating material made of Styrofoam. 1
07. Conventionally, the heat insulating material was also stretched on the inner surface of the unit main body 22, but in this embodiment, since the heat insulating material 107 made of expanded polystyrene is only applied as the inner heat insulating material, the inner heat insulating material is stretched. The work process is omitted, and the work can be improved.

Next, a process of assembling the unit main body 22 will be described. With reference to FIG. 3, a peripheral edge 105 of the top plate 105
a is bent to be raised, and after being bent, the heat insulating material 1 attached to the outer surface of the peripheral edge 105a as shown in FIG.
11 is peeled off. Incidentally, in general, when the peripheral edge 105a is bent by press working, the heat insulating material 111 attached to the outer surface thereof will be removed, and it is desirable to do so. The heat insulating material 111 may be peeled off at the same time when the peripheral edge 105a is bent, or may be peeled off in a separate step after the peripheral edge 105a is bent. On the outer surface from which the heat insulating material 111 is peeled off, the side plate 101 on which the heat insulating material is not attached,
The faces 103 are joined using henry rivets 113.

Next, as shown in FIG. 6, the side plates 101,
The first end 101a corresponding to the overlapping portion 200 of 103 is bent, and the first end 101a is inserted into the notch 115 of the peripheral bending portion 105a of the top plate 105, and the inserted first end is inserted. The part 101a to the second end 10 of the side plate.
As shown in FIG. 7, the second end 103a and the first end 101a are bonded to the inner surface of 3a by using, for example, a henry rivet (not shown) as described above. Even in the other overlapping portion 200 between the side plates 101 and 103, the joining is performed in substantially the same manner as described above.

The unit body 2 is made of a steel plate with a heat insulating material.
When manufacturing 2, the top plate and the side plate are always joined at any part. In this case, when the heat insulating material 111 is interposed between the top plate and the side plate, this heat insulating material 111
The size of the unit main body 22 to be assembled varies depending on the thickness. In order to solve this, in this embodiment, as shown in FIG.
The heat insulating material 111 attached to the outer surface of 5a is removed when the top plate 105 is pressed, and then joined using the henry rivet 113.

Further, according to this embodiment, the unit main body 22 includes the side plates 101, 10 made of steel plates with heat insulating material.
3 and the top plate 105, the work of stretching the external heat insulating material is omitted, and the side plates 101 and 103 are composed of two side plates bent in an L shape, so that the number of parts is reduced.
Further, the first end 101a of the side plate is bent, the first end 101a is inserted into the notch 115 of the top plate 105, and the inserted first end 101a and the second end of the side plate. Since the portion 103a is joined as shown in FIG. 7, even if the side plate and the top plate are disconnected from each other and the top plate falls, the top plate 105 is First end 10 inserted into notch 115 in plate 105
Since it is received and supported by 1a, the top plate 10
5 never falls from the ceiling to the floor.

The present invention has been described above based on the embodiment, but it is obvious that the present invention is not limited to this. For example, in the above-described embodiment, the number of side plates is two, but it is obvious that the number of side plates may be more.

[0019]

As described above, according to the present invention,
Since the unit body is formed of the side plate made of a steel plate with a heat insulating material and the top plate, the work of stretching the external heat insulating material is omitted. Further, since at least one end of the side plate extends to the lower surface of the top plate, in the unlikely event that the top plate falls, this top plate is at least the side plate extending to the lower surface of the top plate. Since it is supported by one end, it does not fall from the ceiling to the floor. Furthermore, if the side plate is composed of two side plates bent in an L shape, various effects such as a reduction in the number of parts can be achieved.

[Brief description of drawings]

FIG. 1 is a bottom view showing an embodiment of an air conditioner of the present invention.

FIG. 2 is a cross-sectional view of the air conditioner of FIG.

FIG. 3 is an exploded perspective view of a unit main body.

FIG. 4 is an exploded perspective view showing a state in which an internal heat insulating material is attached to the unit body.

FIG. 5 is a cross-sectional view showing a state in which a side plate and a top plate are joined together.

FIG. 6 is an exploded perspective view showing a state in which an end portion of the side plate and an end portion of the side plate are joined together.

FIG. 7 is a perspective view showing a state in which an end portion of the side plate and an end portion of the side plate are joined together.

[Explanation of symbols]

 10 Air Conditioner 14 Decorative Panel 16 Suction Port 22 Unit Main Body 101, 103 Side Plate 101a First End 103a Second End 105 Top Plate 105a Bending Part 115 Notch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masazumi Makino 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Electric Co., Ltd. (72) Inventor Kazuki Fukushima 2-5 Keihan Hondori, Moriguchi City, Osaka Prefecture No. 5 Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A ceiling-embedded air conditioner having a unit body that houses an indoor heat exchanger, a fan, a fan motor, and the like, the unit body having an external heat insulating material provided on an outer surface thereof. It is formed of a side plate made of a steel plate with a heat insulating material, and a top plate, the side plate is joined to an outer surface of the top plate, and at least one end of the side plate extends to the lower surface of the top plate. Built-in air conditioner. 2. A ceiling-embedded air conditioner having a unit body that houses an indoor heat exchanger, a fan, a fan motor, and the like, the unit body having an external heat insulating material provided on an outer surface thereof. Formed with a side plate made of steel plate with heat insulating material and a top plate, bend it so as to raise the peripheral edge of this top plate, remove the heat insulating material attached to the outer surface of this peripheral edge, and insulate the outer surface from which this heat insulating material has been removed Join the surfaces of the side plate on which the material is not pasted, bend the first end of the side plate corresponding to the overlapping part of this side plate, and use this first end as a notch in the peripheral bending part of the top plate. Inserted, the inserted first end is applied to the inner surface of the second end of the side plate, and the second end and the first end are joined to each other. Built-in air conditioner. 3. The ceiling-embedded air conditioner according to claim 1, wherein the side plate includes two side plates bent in an L shape.