JP2000111088A - Ceiling flush type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase strength of a drain pan placed below a heat exchanger effectively through a simple structure. SOLUTION: A stay 8 having substantially recessed cross-section opening upward for receiving the lower section of a heat exchanger 7 is provided at the upper part of a drain pan 6. A stopper 9 having a click 9a stopping at the upper fringe on one side of the stay close to an air outlet 3 is stood on the bottom face of the drain pan. The click stops at the upper fringe on one side of the stay to increase strength of the drain pan thus preventing deformation thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-ceiling type air conditioner, and more particularly, to a method of effectively increasing the strength of a dew tray provided below a heat exchanger with a simple structure. Related to the structure.

[0002]

2. Description of the Related Art As shown in FIGS. 6A and 6B, for example, a conventional ceiling-mounted air conditioner has a bell mouth 2a at the center of the lower surface of a main body casing 1 embedded in a ceiling surface.
Is provided inside, and an air outlet is provided around the lower surface, and the suction port 2 formed in the main body casing 1 is provided.
A heat exchanger having a fan motor M having a vertical drive shaft facing the suction port 2 and a blower fan 5 in an air passage 4 connecting the air outlet 4 and the blower outlet, and a dew tray 6 at the bottom. And a container 7 was provided.

The bell mouth 2a is configured so as to be engaged with and fixed to the dew tray 6, and since the blower fan 5 is required to have accurate dimensions and mounting position accuracy, A support B shown in FIG. 6A is installed between the top plate of the main body casing 1 and the bell mouth 2a,
Alternatively, the bell mouth 2a and the heat exchanger holding member C shown in FIG. 6B are fastened with screws D to prevent the dew tray 6 from being deformed due to insufficient strength.

[0004] However, when the column B is erected,
Alternatively, as the strength of the dew tray 6 is increased by fastening the bell mouth 2a and the heat exchanger holding member C or the like, the number of parts increases and the cost becomes disadvantageous, However, there is a problem that the workability is deteriorated due to an increase in the number of work.

[0005]

DISCLOSURE OF THE INVENTION In view of the above problems, the present invention has been made to solve the above-mentioned problems, and it has been proposed that the strength of a dew tray provided below a heat exchanger can be effectively increased by a simple structure. It is intended to provide a type air conditioner.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a main body casing embedded in a ceiling with a suction port provided in the center of the lower surface, an air outlet provided in the periphery of the lower surface, and an inside of the main body casing. A heat exchanger comprising a fan motor and a blower fan having a vertical drive shaft opposed to the suction port in an air passage connecting the formed suction port and the blowout port, and a dew tray at a bottom portion. In the ceiling-embedded air conditioner provided with the heat exchanger, the upper part of the dew tray is provided with a stay having a substantially concave cross-section for opening the upper part and accommodating the lower part of the heat exchanger. On the bottom surface, a locking piece having a locking claw that locks to one upper edge of the stay that is close to the outlet is erected, and the locking claw of the locking piece is connected to the upper edge of one side of the stay. And the strength of the dew tray is increased by locking the You have me.

In addition, a suction port is provided at the center of the lower surface of the main body casing embedded in the ceiling surface, an air outlet is provided around the lower surface, and an air passage connecting the air inlet formed in the main body casing and the air outlet. A ceiling-embedded air conditioner provided with a blower including a fan motor and a blower fan having a vertical drive shaft opposed to the suction port, and a heat exchanger including a dew tray at the bottom. A stay having a substantially concave cross section for opening the upper portion and accommodating the lower portion of the heat exchanger is provided on the upper portion of the dew tray, and on the other side of the stay, which is closer to the blower fan, on the bottom surface of the dew tray. A locking piece having a locking claw that locks to the edge is erected, and the locking claw of the locking piece is locked to the upper edge of the other side of the stay to increase the strength of the exposure tray. The configuration is as follows.

In addition, an air inlet is provided at the center of the lower surface of the main body casing embedded in the ceiling surface, an air outlet is provided around the lower surface, and an air passage connecting the air inlet and the air outlet formed in the main body casing. A ceiling-embedded air conditioner provided with a blower including a fan motor and a blower fan having a vertical drive shaft opposed to the suction port, and a heat exchanger including a dew tray at the bottom. An upper portion of the dew tray is provided with a stay which is open at the top and has a substantially concave cross section for accommodating a lower portion of the heat exchanger, while a detent is provided on a bottom surface of the dew tray to be engaged with both upper edges of the stay. A pair of locking pieces provided with claws are erected, and the locking claws of the locking pieces are locked to the upper edges on both sides of the stay to increase the strength of the exposure tray. I have.

In addition, a plurality of ridge-shaped supports opposing the bottom of the stay are provided upright on the bottom of the dew tray, and the heat exchanger is mounted on the upper end of the support via the stay. It is configured to do so.

[0010] Further, the upper portion of both sides of the stay is expanded.

[0011] Further, an inclined portion for guiding the stay accommodating the lower portion of the heat exchanger toward the upper end of the support body from above by elastically deforming the locking piece, above the locking claw. The configuration is provided.

[0012] Further, a plurality of the locking pieces are provided upright.

Further, the locking piece and the support are formed integrally with the dew tray.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as examples. 1 to 5
In the figure, 1 is a main body casing embedded in a ceiling surface as a ceiling-embedded type air conditioner, 2 is provided at the center of the lower surface of the main body casing 1, and has an inlet provided with a bell mouth 2a inside, and 3 The air outlets 4 provided around the lower surface are air passages connecting the suction ports 2 and the air outlets 3.
Is provided with a blower including a fan motor M and a blower fan 5, and a heat exchanger 7 provided with a dew tray 6 at a lower portion.

A stay 8 having a substantially concave cross section is provided on the upper part of the dew tray 6 to open the upper part and accommodate the lower part of the heat exchanger 7, as shown in FIGS. 1 and 2 as a first embodiment. A locking piece 9 having a locking claw 9a for locking the upper edge of one side of the stay 8 close to the outlet 3 is provided on the bottom surface of the dew receiving tray 6, and the locking piece 9 is provided. Is fixed to the upper edge of one side of the stay 8 so as to increase the strength of the dew tray 6, whereby, for example, the bell mouth 2a and the dew tray 6 Is formed integrally with the stay 8, the stay 8 being closer to the outlet 3.
The locking claw 9a of the locking piece 9 can be accurately locked to the upper edge on one side, so that the strength of the dew tray 6 provided at the lower portion of the heat exchanger 7 is advantageous in cost. The structure can be effectively enhanced by a simple configuration.

Alternatively, a stay 8 having a substantially concave cross section for opening the upper portion and accommodating the lower portion of the heat exchanger 7 is provided on the upper portion of the dew tray 6, as shown in FIG. 3 as a second embodiment. A locking piece 9 having a locking claw 9a for locking to the upper edge of the other side of the stay 8 near the blower fan 5 is erected on the bottom surface of the dew receiving tray 6. A locking claw 9a is fixed to the upper edge of the other side of the stay 8 so as to increase the strength of the dew tray 6, whereby, for example, the bell mouth 2a and the dew tray 6 are connected to each other. Is formed as a separate body, the locking claw 9a of the locking piece 9 can be accurately locked to the upper edge of the other side of the stay 8 near the blower fan 5. As in the case of the first embodiment described above, the strength of the dew tray 6 provided below the heat exchanger 7 , The structure to be effectively enhanced by a simple structure in which the cost-effective.

Alternatively, a stay 8 having a substantially concave cross section for opening the upper portion and accommodating the lower portion of the heat exchanger 7 is provided on the upper portion of the dew receiving tray 6, as shown in FIG. 4 as a third embodiment. On the bottom surface of the dew tray 6, a pair of locking pieces 9 having locking claws 9a for locking the upper edges of both sides of the stay 8 is erected, and the locking claws 9a of the locking pieces 9 are set. The structure is such that the strength of the dew tray 6 is strengthened by locking to the upper edges on both sides of the stay 8, whereby the locking claws of the locking pieces 9 are formed on the upper edges of both sides of the stay 8. 9a can be accurately locked, so that the strength of the dew tray 6 provided at the lower portion of the heat exchanger 7 can be more effectively enhanced by a simple configuration that is advantageous in cost. Become. FIG.
Above the dew tray 6, the heat exchanger 7
5 shows a state in which the stay 8 containing the lower part of the heat exchanger 7 is removed from the upper part of the dew tray 6 by a broken line in FIG. .

Further, a plurality of ridged support members 6a facing the bottom surface of the stay 8 are erected on the bottom surface of the exposure tray 6, and the heat support is provided on the upper end of the support member 6a via the stay 8. Since the exchanger 7 is placed, the strength of the dew tray 6 can be further enhanced, and the stay 8 is accommodated in the drain water accumulated in the dew tray 6. The lower part of the heat exchanger 7 is configured not to be immersed.

Further, since the upper portions on both sides of the stay 8 are expanded, the locking claws 9a can be more accurately locked to the expanded portions 8a so as not to be detached. I have.

Further, the stay 8 containing the lower part of the heat exchanger 7 is mounted on the upper part of the locking claw 9a by the elastic deformation of the locking piece 9 as shown by the arrow a. By providing an inclined portion for guiding the upper portion toward the upper end, the stay 8 accommodating the lower portion of the heat exchanger 7 is smoothly guided by the inclined portion, and then the expanding portion 8a is opened.
The locking claw 9a can be locked accurately.

Further, since the plurality of locking pieces 9 are erected, the locking claws 9a of the plurality of locking pieces 9 are locked to the expanding portion 8a to further increase the strength of the exposure tray 6. The configuration is such that it can be effectively enhanced.

Further, since the locking piece 9 and the support 6a are integrally formed with the dew tray 6, the dimensions and shape can be accurately finished, and the configuration is advantageous in terms of cost.

With the above construction, as shown in FIGS. 1 to 5, a stay 8 having a substantially concave cross section for opening the upper part and accommodating the lower part of the heat exchanger 7 is provided above the dew tray 6. A locking piece 9 having a locking claw 9a on the bottom surface of the dew tray 6 on one side, the other side, or the upper edge of both sides of the stay 8;
And the locking claw 9a of the locking piece 9 is locked to the expanded portion 8a of the stay 8 to increase the strength of the dew tray 6, so that one side of the stay 8 Since the locking claw 9a of the locking piece 9 can be accurately locked to the upper edge of the other side or both sides, the strength of the dew tray 6 provided at the lower portion of the heat exchanger 7 can be advantageously reduced in cost. A ceiling-mounted air conditioner that can be effectively enhanced by the simple configuration described above.

[0024]

As described above, according to the present invention, there is provided a ceiling-mounted air conditioner in which the strength of the dew tray provided below the heat exchanger can be effectively enhanced by a simple configuration.

[Brief description of the drawings]

FIG. 1 is a sectional view of a ceiling-mounted air conditioner according to the present invention.

FIG. 2 is an enlarged view showing part A of FIG. 1 as a first embodiment.

FIG. 3 is an enlarged view showing part A of FIG. 1 as a second embodiment.

FIG. 4 is an enlarged view showing part A of FIG. 1 as a third embodiment.

FIG. 5 is an explanatory view of FIG. 4, wherein a solid line shows an assembled state similar to that of FIG. 4, and a broken line shows a dew tray.

6A and 6B are cross-sectional views of a ceiling-mounted air conditioner according to a conventional example, where FIG. 6A shows an example and FIG. 6B shows another example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body casing 2 Inlet 2a Bell mouth 3 Outlet 4 Air passage 5 Blow fan 6a Support 6 Dew tray 7 Heat exchanger 8 Stay 8a Expanding part 9 Locking piece 9a Locking nail M Fan motor

Claims (8)

[Claims] An air passage is provided at a center of a lower surface of a main body casing embedded in a ceiling surface, an air outlet is provided around a lower surface, and an air passage connecting the air inlet formed in the main body casing and the air outlet is provided. A ceiling-embedded air conditioner provided with a blower including a fan motor and a blower fan having a vertical drive shaft opposed to the suction port, and a heat exchanger including a dew tray at the bottom. An upper portion of the dew tray is provided with a stay having a substantially concave cross-section for opening the upper portion and accommodating the lower portion of the heat exchanger. A locking piece having a locking claw that locks to the edge is erected, and the locking claw of the locking piece is locked to one upper edge of the stay to enhance the strength of the dew receiving tray. A ceiling-mounted air conditioner characterized by the following. 2. An air passage which is provided at the center of a lower surface of a main body casing embedded in a ceiling surface, has an air outlet at the periphery of the lower surface, and connects the air inlet formed in the main body casing with the air outlet. A ceiling-embedded air conditioner provided with a blower including a fan motor and a blower fan having a vertical drive shaft opposed to the suction port, and a heat exchanger including a dew tray at the bottom. An upper opening is provided on the upper portion of the dew tray, and a stay having a substantially concave cross-section for receiving the lower portion of the heat exchanger is provided on the other side of the stay on the bottom surface of the dew tray, which is closer to the blower fan. A locking piece having a locking claw that locks to the edge is erected, and the locking claw of the locking piece is locked to the upper edge of the other side of the stay to increase the strength of the exposure tray. A ceiling-mounted air conditioner characterized by the following. 3. An air passage which is provided at the center of the lower surface of the main body casing embedded in the ceiling surface, has an air outlet at the periphery of the lower surface, and connects the air inlet formed in the main body casing with the air outlet. A ceiling-embedded air conditioner provided with a blower including a fan motor and a blower fan having a vertical drive shaft opposed to the suction port, and a heat exchanger including a dew tray at the bottom. An upper opening is provided on the upper part of the dew tray, and a stay having a substantially concave cross section for receiving the lower part of the heat exchanger is provided. A pair of locking pieces provided with claws are erected, and the locking claws of the locking pieces are locked to upper edges on both sides of the stay to enhance the strength of the exposure tray. Ceiling-mounted air conditioner. 4. A plurality of ridged supports facing the bottom of the stay are erected on the bottom of the dew tray, and the heat exchanger is mounted on the upper end of the support via the stay. The ceiling-mounted type air conditioner according to claim 1, 2 or 3, wherein the air conditioner is installed. 5. The embedded ceiling air conditioner according to claim 1, wherein upper portions on both sides of the stay are expanded. 6. An inclined portion for guiding the stay accommodating the lower portion of the heat exchanger toward the upper end of the supporter from above by elastically deforming the locking piece, above the locking claw. The ceiling-mounted air conditioner according to claim 1, 2, 3, or 4, wherein the air conditioner is provided. 7. The ceiling-mounted air conditioner according to claim 1, wherein a plurality of the locking pieces are provided upright. 8. The device according to claim 1, wherein said locking piece and said support are integrally formed with said dew tray. The ceiling-mounted air conditioner described.