JPH08178364A - Outdoor machine for air-conditioner - Google Patents

Abstract

PURPOSE: To provide an outdoor machine of an air-conditioner, which can prevent properly the invasion of water drops into a casing without employing any special seal member. CONSTITUTION: A water-introducing groove 16 is provided on the fore end part 15 of a ceiling plate 3 along the fore end face 20 of the same. An inserting part 19, provided at the upper end side of the front end part 18 of a side plate 7, is arranged at the inside of bent parts 17, provided at the fore end part 15 by bending downwardly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner which prevents water droplets from entering a casing.

[0002]

2. Description of the Related Art In an outdoor unit of an air conditioner, water drops due to rain, snow, or the like may enter the casing during heating operation. The water droplets that have entered the casing in this way are
This causes problems such as malfunctions of the electrical components and icing between the fan and bellmouth to prevent normal rotation of the fan when the outside air temperature is low.

As a solution to this problem, there is an outdoor unit for an air conditioner described in Japanese Utility Model Laid-Open No. 4-132336. FIG. 3 is a diagram showing a configuration of this outdoor unit, and FIG. 3 (a) is a side view of a main part thereof. In the figure, reference numeral 31 denotes a casing including a top plate 29, a front plate 30, and the like. The casing 31 is provided with an outlet grill 35 that covers the outlet 33 from the front and a bell mouth 34, and a seal is provided between the both 34 and 35. The member 41 is provided.
As a result, the water droplets 36 flow to the front surface of the blowout grill 35, so that it is possible to prevent freezing or the like between the fan 32 and the bell mouth 34. Further, FIG. 3B is a front view of the outdoor unit. In the above outdoor unit,
The groove 42 whose cross-sectional shape is shown in FIG.
It is provided around 4. Therefore, even if the water droplet 36 adheres below the seal member 41, the water droplet 3
6 is guided downward by the groove 42, and the casing 3
It is possible to prevent the intrusion into the inside of 1.

[0004]

By the way, the front plate 30 of the casing 31 is attached after the top plate 29 so that maintenance from the front side is easy when the outdoor units are vertically stacked. Practical application of outdoor units is being considered. However, in such an outdoor unit, since the front plate 30 is attached to the front end portion of the top plate 29 from above, a seal is provided between the front plate 30 of the casing 31 or the bell mouth 34 and the blowout grill 35. Even if the member 41 is provided and waterproofed, it is expected that the water droplets flowing forward from the top plate 29 will enter the casing 31 through the gap between the front plate 30 and the top plate 29. Further, in the above-mentioned conventional case, since the seal member 41 is specially used, there is a problem that the number of parts is increased and the assembling property is deteriorated. Further, there has been a problem that the waterproof performance of the seal member 41 varies depending on the assembly tolerance.

The present invention has been made in order to solve the above-mentioned conventional drawbacks, and an object thereof is to reliably prevent the intrusion of water droplets into the casing without using a special sealing member. It is to provide an outdoor unit of an air conditioner that can be used.

[0006]

Therefore, the outdoor unit for an air conditioner according to claim 1 is an outdoor unit for an air conditioner in which the front plate 1 is attached so as to cover the front end portion 15 of the top plate 3 from above. A water guiding groove 16 is provided on the front end portion 15 of the top plate 3 along the front end surface 20 thereof.

In the outdoor unit for an air conditioner according to a second aspect of the present invention, the side end side of the front end portion 15 is bent to provide a bent portion 17, and the insertion portion 19 provided on the upper end side of the front end portion 18 of the side plate 7. Is arranged inside the bent portion 17.

Furthermore, the outdoor unit of the air conditioner according to claim 3 is
The water guide groove 16 is characterized in that it is arranged so as to be covered by the front plate 1 from above.

[0009]

In the outdoor unit for an air conditioner according to claim 1, the front end portion 1 of the top plate 3 to which the front plate 1 is attached so as to cover it from above.
5, a water guiding groove 16 is provided along the front end face 20 thereof. Therefore, it is possible to guide the water droplets flowing forward from the top plate 3 to both sides without using a special sealing member or the like to prevent the water droplets from entering the casing.

Further, in the outdoor unit of the air conditioner according to claim 2,
The insertion portion 19 of the side plate 7 is arranged inside the bent portion 17 of the top plate 3. Therefore, the water droplets guided to both sides can be guided further downward, and it is possible to reliably prevent the water droplets from entering the casing.

Further, in the outdoor unit for an air conditioner according to a third aspect, the water guide groove 16 is covered with the front plate 1 from above. Therefore, the appearance can be improved.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of an outdoor unit for an air conditioner according to the present invention will be described in detail with reference to the drawings.

FIG. 3 is an exploded perspective view of the outdoor unit.
The casing of this outdoor unit is composed of a front plate 1, a right side plate 7, a left side plate 8, a top plate 3, a bottom frame 9, etc., but maintenance from the front side is easy when the outdoor units are vertically stacked. Thus, the front plate 1 is attached after the top plate 3, the left and right side plates 7, 8 and the bottom frame 9 are assembled. Therefore, the front end portion 15 of the top plate 3 is covered with the front plate 1 from above.

In the figure, 5 is a bell mouth,
A passage for air that is pumped forward by the fan 4 is formed in the casing. Further, the blowout grill 2 is attached to the blowout opening 6 of the front plate 1 from the front side, and projections 11 ... Are provided on four sides of the blowout opening 6. In the figure, 22 is a compressor, 23 is an electrical component box, 24 is a fan motor base, and 25 is a heat exchanger.

FIG. 1 is an exploded perspective view mainly of the top plate 3 and the right side plate 7 of the outdoor unit, and FIG. 2 is the front end portion 15 thereof.
It is sectional drawing which shows the vicinity. As shown in both figures, on the front end side of the top plate 3, a front end portion 15 mounted so as to cover the front plate 1 from above is provided from the upper surface of the top plate 3 by the thickness of the front plate 1 to be attached. It is provided below. A water guiding groove 16 is provided in the center of the front end portion 15 along the front end surface 20 and is covered with the front plate 1 from above. The side edge of the top plate 3 is bent downward so that the right side plate 7
And attached to the left side plate (not shown) from above. At this time, the bent portion 17 formed by bending the front end portion 15 of the top plate 3 downward is the side plate front end portion 1.
The insertion portion 19 provided on the upper end side of 8 is attached so as to be arranged inside thereof. Also, the side plate front end portion 18
Is attached so as to cover the front plate 1 from the outer side thereof, and therefore is provided inward from the outer surface of the side plate 7 by the thickness of the front plate 1, and is therefore disposed above the bottom frame 9. It is like this. In FIG. 1, reference numeral 23 is an electrical component box provided in the casing.

In the above outdoor unit, even if water drops due to rain, snow, or the like flow along the top plate 3 to the front during heating operation and enter the gap between the front plate 1 and the attached front plate 1, the water drops still remain at the front end. The water is guided to the water guiding groove 16 provided in 15 and flows to both sides. Therefore, when the fan 4 is inserted into the casing from the front side,
It is possible to prevent problems such as freezing between the bell mouth 5 and the bell mouth 5 and hindering rotation of the fan 4.

Since the water guiding groove 16 is independently formed in the front end portion 15 of the top plate 3, even if the assembly tolerance varies, a uniform waterproof effect can be obtained regardless of the variation. Further, since the insertion portion 19 of the side plate 7 is arranged inside the bent portion 17 of the top plate 3, the water guiding groove 16 is provided.
The water droplets guided to both sides by the
Will be guided downward through the front end portion 18 of the side plate. Therefore, it is possible to prevent water droplets from penetrating into the electrical component box 23 or the like provided in the casing and to cause a problem, and since the side plate front end portion 18 is located above the bottom frame 9, The water drops that have fallen along the side plate front end portion 18 are collected by the bottom frame 9 and can be reliably discharged to the outside of the casing.

Further, the front plate 1 is attached to the water guide groove 16 from above so as to be hidden from the outside. Therefore, a structure having an improved appearance can be obtained.

The specific embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention. For example, in the above-mentioned embodiment, the right side plate 7 using FIG.
However, the left side plate 8 may have the same configuration. Further, a groove may be provided in the front end portion 18 of the side plate to extend the water guide groove 16 to guide the water droplets.

[0020]

In the outdoor unit for an air conditioner according to the first aspect of the present invention, the water guiding groove is provided along the front end face of the front end portion of the top plate to which the front plate is attached so as to cover it from above. Therefore, it is possible to guide the water droplets flowing forward from the top plate to both sides without using a seal member or the like, and prevent the water droplets from entering the casing. Further, since the water guide groove is formed independently at the front end portion of the top plate, it is possible to obtain a uniform waterproof effect regardless of the assembly tolerance. Furthermore, since no special sealing member or the like is required, the number of parts does not increase, and it is possible to improve the assemblability and reduce the cost.

Further, in the outdoor unit of the air conditioner according to claim 2,
The insertion portion of the side plate is arranged inside the bent portion of the top plate. Therefore, the water droplets guided to both sides can be guided further downward, and it is possible to reliably prevent the water droplets from entering the casing.

Further, in the outdoor unit for an air conditioner according to a third aspect of the present invention, the water guiding groove is covered with the front plate from above. Therefore, the appearance can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of essential parts of an outdoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the outdoor unit.

FIG. 3 is an exploded perspective view of the outdoor unit.

FIG. 4 is a diagram showing an outdoor unit in a conventional example, (a)
Is a side view of a main part, and (b) is a front view.

[Explanation of symbols]

 1 front plate 3 top plate 7 right side plate 15 top plate front end 16 water guide groove 17 bent part 18 side plate front end 19 insertion part 20 top plate front end

Front page continued (72) Inventor Yoshiaki Okubo 2 at 1000 Otani, Okamoto Town, Kusatsu City, Shiga Daikin Industrial Co., Ltd. Shiga Works (72) Inventor Hiroshi Nakamura 2 Daikin at 1000 Otani, Okamoto Town, Kusatsu City, Shiga Prefecture Industrial Co., Ltd. Shiga Works

Claims (3)

[Claims] 1. An outdoor unit for an air conditioner, wherein the front plate (1) is mounted so as to cover the front end (15) of the top plate (3) from above, and the front end (15) of the top plate (3). ),
An outdoor unit for an air conditioner, characterized in that a water guide groove (16) is provided along the front end face (20). 2. A bent part (17) is provided by bending a side end side of the front end part (15), and an insertion part (19) provided on the upper end side of the front end part (18) of the side plate (7) is provided. The outdoor unit for an air conditioner according to claim 1, wherein the outdoor unit is arranged inside the bent portion (17). 3. The outdoor unit for an air conditioner according to claim 1, wherein the water guide groove (16) is arranged so as to be covered by the front plate (1) from above.