JPH0332893Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to the improvement of a drain pumping device for an air conditioner, and particularly relates to a drain pan of a drain pumping device for a ceiling-suspended air conditioner. .

[Conventional technology] If you operate an air conditioner to cool or dehumidify,
Moisture in the air turns into liquid water (drainage), which must be collected and drained. 4 to 6 show examples of conventional drain pumping devices for ceiling-suspended air conditioners. As shown in FIG. 6, this drain pumping device consists of an upper case 9 and a drain pan 2.
and a lower panel 11. The upper case 9 has mounting legs 7 and 8 on both sides for attachment to a wall surface or the like. Further, inside the upper case 9, there is provided a drain pump 3 shown in, for example, Japanese Unexamined Patent Publication No. 179000/1983, and a drain suction section with a strainer 4 is provided at the lower part of the drain pump 3. . The drain pipe connection port 6 is located on the top surface of the upper case 9.
The discharge port of the drain pump 3 and the drain pipe connection port 6 are connected via a drain hose 5. A drain pan 2 is attached to the lower part of the upper case 9 and supported by a lower panel 11. The drain pan 2 is provided with a drain intake port 2a, through which drain from the air conditioner flows and is stored in the drain pan 2. Since the drain pan 2 stores cold drain, it is made of styrofoam to prevent condensation on the outer surface, and a skin layer is attached to the inner surface for waterproofing. Since the drain pan 2 is made of polystyrene foam and has no strength, it is supported by a lower panel 11 and fixed to the upper case 9 with screws 10 through holes made in the flange of the lower panel 11.

Next, the operation will be explained. Drain that flows from the air conditioner into the drain pan 2 through the drain intake port 2a is sucked up from the lower end of the drain pump 3 through the strainer 4, and then passes through the drain hose 5 from the outlet at the top of the inverted triangular casing. It is discharged from the drain pipe connection port 6 at the top of the upper case 9.

Next, serviceability such as repair and inspection of a malfunction of the drain pump 3 or leakage of the drain pipe system, cleaning of the inside of the drain pump 2, etc. will be explained. When performing such inspections, repairs, or cleaning the drain pan,
The drain pan 2 can be taken out by removing the screws 10 and the bottom panel 11, but there may be some drain left inside the drain pan 2, so when removing the bottom panel 11, remove the screws 10 with one hand. while holding the bottom panel 1 with your other hand.
1 and drain pan 2 must be supported.
After removing and discarding the drain in the drain pan 2, services such as inspection, repair, and cleaning must be performed.

[Problems to be solved by the invention] Since the conventional drain pumping device is configured as described above, a lower panel is required to support the drain pan. Another problem was that during inspection, repair, and cleaning services, the lower panel had to be supported with one hand when removed from the upper case to avoid spilling the drain in the drain pan.

This idea was made in order to solve the above problems, and the purpose was to omit the bottom panel and to obtain a drain pumping device that does not require worrying about drain spilling during the above-mentioned service. do.

[Means for solving the problem] In the drain pumping device for an air conditioner according to this invention, the drain pan is integrally molded with a mounting flange to the upper case, and a drain with a plug is installed near the bottom of the drain pan. It is equipped with an outlet.

[Function] The drain pan of the air conditioner drain pumping device in this invention is integrally molded with a mounting flange to the upper case, so it can be directly attached to the upper case by drilling a hole in this flange and using screws. I can do it. The bottom panel can also be omitted. In addition, a drain outlet with a plug is provided near the bottom of the drain pan, so when servicing or other purposes are required, the plug can be pulled out from this drain outlet to drain the drain from the drain pan, making it convenient for servicing and other work. It's convenient.

[Embodiment of the invention] An embodiment of the invention will be described below with reference to the drawings. Figure 1 is a perspective view of the drain pan of the embodiment, Figure 2 is a perspective view of the drain pan of the embodiment.
This figure is a perspective view of a drain pumping device in which the drain pan shown in FIG. 1 is attached to an upper case, and FIG. 3 is a perspective view of another embodiment of the drain pan.

In FIG. 1, the drain pan 2 is made of styrofoam, has a skin layer on its inner surface for waterproofing, and is integrally molded. An extended skin layer is provided at the front and rear of the upper edge of the drain pan 2, and a flange 2d is formed therein. A mounting hole 2e is formed in the flange 2d, and the flange 2d is directly mounted to the upper case 9 with screws 10 (FIG. 2). In addition, the mounting hole 2e
If there is any concern about the strength of the area, a plastic or metal plate reinforcing material may be inserted around the entire flange 2d or the mounting hole 2e and integrally formed.

Further, the drain pan 2 is provided with a drain intake port 2a and a drain outlet 2b. The drain outlet 2b is provided near the bottom of the drain pan 2. A rubber-molded drain plug 2c is fitted into the mouth of the drain outlet 2b, and is normally closed.

Next, a description will be given of the work to be done when servicing the air conditioner, such as inspection, repair, and cleaning, after the air conditioner is put into use. When removing the drain pan for service, the drain pan 2 according to this invention is provided with a drain outlet 2b and a drain plug 2c. It will be discharged from the discharge port 2b. Next, screw 1
0 and remove the drain pan 2 from the upper case 9. At that time, the drain in the drain pan 2 has already been discharged from the drain outlet 2b, so
There is no need to take the trouble to support the drain pan 2 with your hands and be careful not to spill the drain.

In the embodiment shown in FIGS. 1 and 2, the drain outlet 2b is provided on the side of the drain pan 2 where the drain intake port 2a is located, but in the other embodiment shown in FIG. was provided on the surface opposite to the drain intake port 2A.

[Effects of the invention] As described above, according to this invention, a flange is integrally molded on the upper end of the drain pan, mounting screw holes are drilled in the flange, and the screws are directly fixed to the upper case, so that the conventional lower panel can be replaced. By omitting this, we were able to reduce the number of parts. In addition, a drain outlet with a plug is provided near the bottom of the drain pan, so that after the air conditioner's drain pumping device is attached to a wall or other surface for use, the drain pan can be used for services such as inspection, repair, and cleaning. When removing the drain, residual condensate can be discharged, and there is no need to be careful about the work. Moreover, even if the drain pumping device stops, the drain can be temporarily discharged from the drain outlet, and problems in use can be minimized.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a drain pan showing an embodiment of this invention, and FIG. 2 is a perspective view of a drain pumping device according to this invention to which the drain pan of FIG. 1 is attached.
FIG. 3 is a perspective view of a drain pan showing another embodiment;
4 and 5 are diagrams showing a conventional drain pumping device, in which FIG. 4 is a plan view, FIG. 5 is a cross-sectional view taken from FIG. 4, and FIG. 6 is an exploded perspective view. In the figure, 2 is a drain pan, 2b is a drain outlet, 2c is a plug, 2d is a flange, 2e is a mounting screw hole, 9 is an upper case, and 10 is a screw.
In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] an upper case equipped with a drain pumping device;
In a drain pumping device for an air conditioner comprising a drain pan attached to the lower part of the upper case to store drain, the drain pan is integrally molded with a mounting flange to the upper case, and the bottom surface of the drain pan A drain pumping device for an air conditioner characterized by having a drain outlet with a plug installed nearby.