JPH05737Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a ceiling-mounted air conditioner.

(Prior Art) A well-known ceiling-embedded air conditioner has a fan and an air heat exchanger surrounding the side of the fan inside a casing with a heat insulating material pasted on the inner surface. and a drain pan located below the air heat exchanger (hereinafter referred to as the main body) is suspended and supported by a hanging bolt installed above an opening formed in the ceiling, Typically, the opening is covered by a decorative panel attached to the lower surface of the main body.

In the ceiling-mounted air conditioner with the above configuration,
As shown in FIG. 4, a bracket 3' to which a suspension bolt 2' is to be connected is fixed to the side surface of the casing 1' by a suitable fastener 4'. In that case, a space 6' in which the fastener 4' should be exposed is formed at the bracket connection site of the heat insulating material 5' attached to the inner surface of the casing 1', and the space 6' faces the blowing area. If it is tightened, it will be exposed to cold air during cooling operation, and there is a risk that dew condensation will occur on the outside of the fastener 4'. To prevent condensation,
A filler 7' is inserted into the cavity 6', and the fastener 4'
A device has been proposed that prevents cold air from coming into contact with the vehicle (see, for example, Japanese Utility Model Application Publication No. 101122/1983).

(Problems to be Solved by the Invention) As in the above-mentioned known example, a filler 7' is placed in a cavity 6' formed to allow the fastener 4' to face the heat insulating material 5' at the bracket connection site in the casing 1'. When the filler 7' is made of a separate material,
It is necessary to prepare the filler material 7' and also work to attach the filler material 7', resulting in problems such as an increase in the number of parts and a decrease in installation workability.

This invention was made in view of the above points,
The purpose is to reduce the number of parts and improve installation workability.

(Means for Solving the Problems) In the present invention, as a means for solving the above problems, as shown in the drawings, a heat insulating material 19 is provided on the inner surface.
The main body includes a fan 7, an air heat exchanger 6 surrounding the side of the fan 7, and a drain pan 10 located below the air heat exchanger 6, in a casing 5 on which a fan 7 is pasted. 1 is suspended and supported by hanging bolts 4, 4... installed above an opening 3 formed in a ceiling C, and the opening 3 is covered by a decorative panel 2 attached to the lower surface of the main body 1. In the built-in air conditioner, a bracket 21 to be connected to the lower end of each hanging bolt 4 is fixed to the side surface of the casing 5 by a fastener 22, and a heat insulating material 19 is attached to the bracket connecting portion of the casing 5. The fastener 22
The outer peripheral edge of the drain pan 10 is positioned so that the inner surface of the space 24, which is formed to expose It is being blocked.

(Function) In the present invention, the following effects can be obtained by the above means.

That is, the inner surface of the space 24 formed in order to expose the fastener 22 to the heat insulating material 19 at the bracket connection site in the casing 5 is
By closing the drain pan 10 at the outer periphery of the drain pan 10, which is located inside the heat insulating material 19 and is positioned in contact with the positioning protrusion 25 protruding from the inner surface of the heat insulating material 19, no special member is required. ,
Cold air is prevented from coming into contact with the fastener 22, and dew condensation on the outside of the fastener 22 can be effectively prevented.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 2 and 3, the ceiling-embedded air conditioner of this embodiment has a main body 1 suspended above an opening 3 formed in a ceiling C via hanging bolts 4, 4. and a decorative panel 2 configured to abut against the lower surface of the main body 1 and cover the opening 3.

The main body 1 includes a substantially rectangular casing 5, a U-shaped air heat exchanger 6 disposed inside the casing 5, and a centrifugal fan 7 disposed inside the air heat exchanger 6. , 7. That is, the air heat exchanger 6 is arranged so as to surround the side of the fan 7, and the air sucked by the fan 7 from the air suction port 8 of the decorative panel 2 located below. Thereafter, heat is exchanged with the air W blown out in the centrifugal direction by the fan 7, and this is made into conditioned air. The conditioned air W thus obtained
is blown into the room from the air outlets 9, 9, . . . of the decorative panel 2, and performs indoor air conditioning.

A drain pan 1 is provided below the air heat exchanger 6.
0 is placed. The drain pan 10 is configured to be fitted into the casing 5, and has four blow-off passages 17, 17, 1 on its outer periphery that correspond to the air blow-off ports 9 on the decorative panel 2 side.
7 and 17 are formed. In addition, the fan 7
is the casing 5 via the fan motor 11.
It is attached to the top plate 5a of. That is, the inside of the main body 1 is divided into an inner suction area A and an outer blowout area B by the air heat exchanger 6 and the partition plates 18 attached to both open ends of the air heat exchanger 6. It is divided into .

Further, on the suction side of the fan 7, a bell mouth portion 13 for guiding suction air and the drain pan 10 are provided.
A wind guide member 1 integrally formed with a flange-shaped drain pan support part 14 that supports the inner peripheral edge of the wind guide member 1 from below.
2 is attached by a support bolt 15 hanging vertically from the top plate 5a of the casing 5 and a nut 16 screwed onto the support bolt 15.

As shown in FIG. 1, heat insulating materials 19 and 20 are pasted on both the inner and outer surfaces of the casing 5, respectively.

Further, at the four corners of the side surface 5b of the casing 5, angled brackets 21, 21, .
is fixed. Each bracket 21 is attached by fixing its vertical piece 21a to the casing side surface 5b with bolts 22, 22 which act as fixing fasteners,
By connecting the suspension bolt 4 to the horizontal piece 21b, the main body 1 is suspended and supported. The tips of the bolts 22, 22 and the nuts 23, 23 screwed onto these bolts 22, 22 are to protrude toward the inner surface of the casing 5, and a heat insulating material 19 is hollowed out in the protruding parts. Hollow spaces 24, 24 formed by
is formed. The spaces 24, 24 are closed by the outer peripheral edge of the drain pan 10 that is fitted into the casing 5. The drain pan 1
0 is the inner surface of the heat insulating material 19 and the space 2
Positioning within the casing 5 is achieved by bringing the upper end of the outer peripheral edge into contact with a positioning protrusion 25 that protrudes above 4 and 24, and in this state, the wind guide member 12 to the support bolts 15, 15, . . . , the installation of the drain pan 10 is completed.

In the drawings, reference numeral 26 indicates a mounting bracket provided on the side of the decorative panel 2, 27 a mounting bolt for attaching the decorative panel 2 to the main body 1, 28 a suction grill, and 29 a filter.

With the above configuration, the casing 5
Bolts 22, 22 and nuts 23, 2 are attached at the mounting portion of the bracket 21 on the side surface 5b
Holes 24, 24 formed in the heat insulating material 19 to expose the bolts 22, 22 and nuts 2 are closed by the outer peripheral edge of the drain pan 10, and the bolts 22, 22 and the nuts 2 are closed.
Cold air contact to 3 and 23 will be cut off,
This will prevent dew condensation on the outside of the bolts 22, 22.

It should be noted that the present invention is not limited to the configuration of the above-mentioned embodiments, and it goes without saying that the design can be changed as appropriate without departing from the gist of the invention.

(Effect of the invention) As described above, according to the invention, the fan 7 is placed inside the casing 5 which has the heat insulating material 19 pasted on the inner surface.
an air heat exchanger 6 surrounding the sides of the fan 7; and a drain pan 1 located below the air heat exchanger 6.
0 is suspended and supported by hanging bolts 4, 4... installed above an opening 3 formed in the ceiling C, and the opening 3 is attached to the lower surface of the main body 1. In the ceiling-embedded air conditioner covered by a panel 2, each of the hanging bolts 4 is attached to the side surface 5b of the casing 5.
The bracket 21 to be connected to the lower end is fixed by the fastener 22, and the casing 5
A space 24 formed to expose the fastener 22 to the heat insulating material 19 at the bracket connection site.
Since the inner surface is closed by the outer peripheral edge of the drain pan 10, which is located inside the casing 5 and positioned in contact with a positioning protrusion 25 protruding from the inner surface of the heat insulating material 19, no special member is required. This prevents cold air from coming into contact with the fastener 22, effectively preventing dew condensation on the outside of the fastener 22, reducing the number of parts and improving installation workability. This has the practical effect of being able to achieve

[Brief explanation of drawings]

FIG. 1 is an enlarged vertical sectional view (i.e., the second
Fig. 2 is a cross-sectional plan view of a ceiling-mounted air conditioner according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view along the line shown in FIG. 2, and FIG. 4 is a vertical cross-sectional view showing a known example. 1... Main body, 2... Decorative panel, 3... Opening, 4... Hanging bolt, 5... Casing, 6...
...Air heat exchanger, 7...Fan, 10...Drain pan, 19...Insulation material, 21...Bracket, 2
2... Fastener, 24... Blank space, 25... Positioning protrusion, C... Ceiling.

Claims (1)

[Scope of utility model registration request] A fan 7, an air heat exchanger 6 surrounding the side of the fan 7, and a drain pan 10 located below the air heat exchanger 6 are housed in a casing 5 with a heat insulating material 19 pasted on the inner surface. The installed air conditioner main body 1 is suspended and supported by hanging bolts 4, 4... installed above the opening 3 formed in the ceiling C,
In the ceiling-embedded air conditioner in which the opening 3 is covered by a decorative panel 2 attached to the lower surface of the air conditioner main body 1, a side surface of the casing 5 is provided with a lower end portion of each of the hanging bolts 4 that engages with a lower end portion of each of the hanging bolts 4. The bracket 21 to be connected is fixed by the fastener 22, and the inner surface of the space 24, which is formed to expose the fastener 22 to the heat insulating material 19 of the bracket joining portion of the casing 5, is inserted into the casing 5. A ceiling-embedded air conditioner characterized in that the drain pan 10 is closed at the outer peripheral edge of the drain pan 10 which is positioned in contact with a positioning protrusion 25 protruding from the inner surface of the heat insulating material 19.