JP6156432B2 - Air conditioner outdoor unit - Google Patents

Description

  The present invention relates to an outdoor unit of an air conditioner including a casing including a top plate, for example.

Some conventional outdoor units of an air conditioner have a plurality of step portions along the longitudinal direction formed on the surface of a substantially rectangular top plate in order to improve the strength of the top plate of the casing.

JP2012-233657

In the outdoor unit of an air conditioner, when the top plate material is thinned for the purpose of reducing the weight and reducing the cost, the strength of the material decreases, resulting in dents on the top plate due to depression from the top surface and packing load. There is a problem to do.

Accordingly, an object of the present invention is to provide an outdoor unit of an air conditioner that can prevent dents from being generated on the top plate when the top plate material is thinned for the purpose of weight reduction and cost reduction.

An outdoor unit of an air conditioner according to a first aspect of the present invention is an outdoor unit of an air conditioner having a casing including a top plate, and the top plate has a substantially rectangular shape and is provided on a surface thereof. The plurality of step portions are formed along the outer end portion on the short side of the top plate, and at least one end thereof is the outer end on the long side of the top plate. The top plate is alternately arranged with flat portions and groove portions respectively arranged between adjacent stepped portions, and the flat portion is an outer end portion on the long side of the top plate. It curves so that it may protrude upwards as it leaves | separates from .

In this outdoor unit, a plurality of stepped portions are formed on the surface of the substantially rectangular top plate along the outer end on the short side of the top plate, thereby improving the strength even if the plate thickness is reduced. be able to. Also,
Compared to the case where the stepped portion extends to the outer end on the long side of the top plate, the plurality of stepped portions do not extend to the outer end on the long side of the top plate. It is possible to suppress the formation of wrinkles locally at the time of molding and prevent the appearance from being impaired.
In this outdoor unit, by dividing the surface of the top plate into a plurality of flat portions by grooves,
The strength can be further improved.
In this outdoor unit, the flat surface portion is curved so as to protrude upward, so that the flat surface portion
By increasing the degree of tension of the sheet metal, when a force is applied to the flat part from above,
It can prevent that a part deform | transforms so that it may protrude below.

In the outdoor unit for an air conditioner according to a second aspect of the present invention, in the first aspect, the top plate is disposed between the plurality of stepped portions and an outer end portion on the long side of the top plate, It has the slope part which becomes low as it approaches the outer edge part of the long side of the said top plate from the several level | step-difference part, It is characterized by the above-mentioned.

In this outdoor unit, since the top plate has a slope portion that becomes lower from the plurality of step portions toward the outer end portion of the top plate, the flat portion of the top plate can be reduced and the amount of deflection can be reduced. Therefore, the strength of the top plate can be further improved and the appearance of the outdoor unit can be reduced in size.

An outdoor unit of an air conditioner according to a third aspect of the present invention is characterized in that, in the first or second aspect, the plurality of stepped portions are densely formed in the vicinity of the central portion in the longitudinal direction of the top plate. .

In this outdoor unit, the strength of the central portion in the longitudinal direction of the top plate can be further improved by forming the plurality of step portions densely in the vicinity of the central portion in the longitudinal direction of the top plate.

In the outdoor unit for an air conditioner according to a fourth aspect of the present invention, in any one of the first to third aspects, at least one width of the flat portion is equal to or greater than a width of an inscription plate formed on the top plate. It is characterized by that.

In this outdoor unit, the nameplate can be formed where there is no step on the top plate because the width of the flat portion is equal to or greater than the width of the nameplate.

In the first invention, on the surface of the substantially rectangular top plate, a plurality of step portions are formed along the outer end on the short side of the top plate, thereby improving the strength even if the plate thickness is reduced. Can be made. Also,
Compared to the case where the stepped portion extends to the outer end on the long side of the top plate, the plurality of stepped portions do not extend to the outer end on the long side of the top plate. It is possible to suppress the formation of wrinkles locally at the time of molding and prevent the appearance from being impaired.
In 1st invention, the surface of a top plate is divided | segmented into a several plane part by a groove part,
The strength can be further improved.
In the first aspect of the invention, the flat surface portion is curved so as to protrude upward.
By increasing the degree of tension of the sheet metal, when a force is applied to the flat part from above,
It can prevent that a part deform | transforms so that it may protrude below.
In the second aspect of the invention, since the top plate has the slope portion that becomes lower from the plurality of step portions toward the outer end portion of the top plate, the flat portion of the top plate can be reduced and the amount of deflection can be reduced. Therefore, the strength of the top plate can be further improved and the appearance of the outdoor unit can be reduced in size.

In 3rd invention, the intensity | strength of the longitudinal direction center part of a top plate can further be improved by forming a several level | step-difference part closely in the longitudinal direction center part vicinity of a top plate.

In the fourth invention, when the width of the flat portion is equal to or larger than the width of the nameplate, the nameplate can be formed in a place where there is no step portion on the top plate.

It is an external appearance perspective view of the outdoor unit of the air conditioner which concerns on embodiment of this invention. 2A is a plan view of the top plate of the outdoor unit shown in FIG. 1, and FIGS. 2B and 2C are side views of the top plate of the outdoor unit shown in FIG. 3A is a partial plan view of the top plate of the outdoor unit in FIG. 1, and FIG. 3B is a cross-sectional view taken along line IIIb-IIIb in FIG.

Hereinafter, an outdoor unit of an air conditioner according to an embodiment of the present invention will be described with reference to the drawings.

[Configuration of air conditioner]
As shown in FIG. 1, the outdoor unit 1 of the air conditioner of this embodiment has a substantially rectangular parallelepiped casing 2. The casing 2 accommodates a compressor, an outdoor heat exchanger, an outdoor fan arranged to face the outdoor heat exchanger, and the like. The casing 2 has a bottom plate, four side plates (front plate, left side plate, right side plate, and back plate) disposed above the bottom plate, and a top plate 3 disposed above the four side plates. .

2A is a plan view of the top plate, FIG. 2B is a side view along the longitudinal direction of the top plate 3, and FIG.
) Is a side view perpendicular to the longitudinal direction of the top 3. As shown in FIG. 2A, the top plate 3 has a substantially rectangular shape in plan view, and a plurality of step portions 5 (5a, 5b) are formed on the surface thereof. The plurality of step portions 5 are linear along the outer end portion on the short side of the top plate 3 and are formed in parallel to each other.

The plurality of stepped portions 5 include two stepped portions 5a formed at both longitudinal ends of the top plate 3 and eight stepped portions 5b formed between the two stepped portions 5a. 8 steps 5b
Is formed at a distance t1 from the stepped portion 5a formed at the longitudinal end of the top plate 3 toward the inside, then at a distance t2, and thereafter at a distance t3. The The number and arrangement of the plurality of step portions 5 in this embodiment are examples, and the number and arrangement of the plurality of step portions 5 may be changed.

Therefore, as shown in FIG. 2A, the surface of the top plate 3 has a stepped portion separated by a distance t1 from the groove 6b disposed outside the stepped portion 5a formed at both ends in the longitudinal direction of the top plate 3. 5 has a flat portion 6a formed between the groove portions 6b, a groove portion 6b formed between the step portions 5 separated by a distance t2, and three flat portion portions 6a and two groove portions 6b disposed inside the groove portion 6b. Yes. The groove 6b is a flat surface 6
Since it is configured to be lower than a, the surface of the top plate 3 is configured to be uneven. In the present embodiment, there are the flat portion 6a having the width t1 and the flat portion 61 having the width t3. However, the smaller the width of the flat portion, the smaller the amount of deflection of the flat portion 6a. Therefore, when the distance between the step portions 5 formed at both ends of the flat portion 6a is smaller, it is possible to suppress the deformation of the flat portion 6a when a force is applied from above.

On the surface of the top plate 3, both ends of the step portion 5 are arranged on the inner side from the outer end portion on the long side of the top plate 3, and between the step portion 5 and the outer end portion on the long side of the top plate 3. Is formed with a slope portion 7 that becomes lower from the step portion 5 toward the outer end portion on the long side of the top plate 3. In addition, on the surface of the top plate 3, slope portions 7 are formed on the outer sides of the groove portions 6 b at both ends in the longitudinal direction of the top plate 3 so as to become lower from the groove portions 6 b toward the outer end portion on the short side of the top plate 3. The Thus, in the present embodiment, two inclined portions 7 are formed along the longitudinal direction in the outer peripheral portion of the surface of the top plate 3, and are perpendicular to the longitudinal direction in the outer peripheral portion of the surface of the top plate 3. An inclined portion is also formed in a portion along the direction. Therefore, a slope portion 7 that becomes lower as it approaches the outer end portion of the top plate 3 is formed on the entire outer periphery of the surface of the top plate 3.

As shown in FIG. 3B, the groove 6b is a horizontal surface, whereas the flat surface 6a protrudes upward as it moves away from the outer end of the long side of the top plate 3. It is curved. FIG.
In (b), it is exaggeratingly shown that the plane part 6a is curving. Accordingly, the stepped portion 5 has the smallest step at the outer end on the long side of the top plate 3, and the stepped portion increases as the distance from the inner side increases.

Three name plates 8 are formed on the flat surface portion 6 a of the top plate 3. The nameplate 8 shows a warning nameplate (may cause injury, do not insert a stick, etc.), a warning nameplate (may cause injury, do not ride on it), or a warning nameplate (may cause injury, do not touch aluminum fins) ing. Accordingly, in the present embodiment, in FIG. 2A, the stepped portions 5 arranged on both sides of the flat surface portion 6a at the right end of the top plate 3 are separated by a distance equal to or larger than the width of the nameplate 8. The name plate 8 is formed on the flat portion 6 a of the top plate 3.

A top plate formed with a plurality of step portions along the longitudinal direction in a conventional outdoor unit of an air conditioner, and a plurality of steps along a shorter side of the top plate 3 in the outdoor unit of the air conditioner of the present invention The evaluation of the strength with the top plate 3 on which the part 5 is formed will be described. As an evaluation of the strength, a load was applied to the center portion of the top plate surface, and the deformation amount of the center portion of the top plate surface at that time was measured. After measuring the amount of deformation of the top plate (plate thickness 0.7 mm) formed with a plurality of step portions along the conventional longitudinal direction, the plate thickness is reduced by 0.1 mm, and a plurality of plates along the conventional longitudinal direction are reduced. The amount of deformation of the top plate (thickness 0.6 mm) on which the step portion was formed was measured. At this time, it was found that the amount of deformation increases as the plate thickness decreases. The amount of deformation of the top plate 3 (plate thickness 0.6 mm) on which a plurality of step portions 5 along the shorter side of the present invention was formed was measured. The amount of deformation at this time is smaller than the amount of deformation of the top plate (plate thickness 0.7 mm) in which a plurality of step portions along the conventional longitudinal direction is formed, and the plurality of step portions along the conventional longitudinal direction It was found that the amount of deformation was smaller than that of the formed top plate (thickness 0.6 mm).

[Features of the air conditioner of this embodiment]
In the outdoor unit 1 of the air conditioner of the present embodiment, a plurality of stepped portions 5 are formed on the short side of the top plate 3 along the outer end portion on the surface of the substantially rectangular top plate 3. Even if the plate thickness is reduced, the strength can be improved. Further, when the plurality of step portions 5 do not extend to the outer end portion on the long side of the top plate 3, the step portions 5 extend to the outer end portion on the long side of the top plate 3. Compared to the top 3
It is possible to suppress the formation of wrinkles locally during molding, and to prevent the appearance from being impaired.

In the outdoor unit 1 of the air conditioner of the present embodiment, the top plate 3 has the slope portion 7 that becomes lower from the plurality of step portions 5 toward the outer end portion of the top plate 3. The plane portion can be made smaller and the amount of deflection can be reduced. Therefore, the strength of the top plate 3 can be further improved and the appearance of the outdoor unit 1 can be reduced in size.

In the outdoor unit 1 of the air conditioner of the present embodiment, the plurality of stepped portions 5 are densely formed in the vicinity of the central portion in the longitudinal direction of the top plate 3, thereby further improving the strength of the central portion in the longitudinal direction of the top plate 3. Can be made.

In the outdoor unit 1 of the air conditioner of the present embodiment, the strength of the top plate 3 can be further improved by dividing the surface of the top plate 3 into a plurality of flat portions 6a by the groove portions 6b.

In the outdoor unit 1 of the air conditioner of the present embodiment, the flat surface portion 6a is curved by projecting the flat surface portion 6a upward to increase the degree of sheet metal tension in the flat surface portion 6a.
When a force is applied to the flat surface portion 6a from above, the flat surface portion 6a can be prevented from deforming so as to protrude downward.

The outdoor unit 1 of the air conditioner according to the present embodiment can form a name plate in a place where there is no step portion on the top plate because the width of the flat portion 6a is equal to or larger than the width of the name plate 8.

As mentioned above, although embodiment of this invention was described, it should be thought that the specific structure of this invention is not limited to the said embodiment. The scope of the present invention is shown not only by the description of the above-described embodiment but also by the scope of claims for patent, and further includes meanings equivalent to the scope of claims for patent and all modifications within the scope.

In the above-described embodiment, the case where both ends of the stepped portion 5 are arranged on the inner side of the outer end portion on the long side of the top plate 3 is described, but at least one end of the stepped portion 5 is the top plate 3. It may be arranged inside the outer end on the long side.

In the above-described embodiment, the slope portion 7 that becomes lower between the step portion 5 and the outer end portion on the long side of the top plate 3 as it approaches the outer end portion on the long side of the top plate 3 from the step portion 5. Although the case where it forms is demonstrated, the slope part 7 does not need to be formed between the level | step-difference part 5 and the outer end part of the long side of the top plate 3. FIG.

In the above-described embodiment, the case where the flat portion 6a is curved so as to protrude upward has been described. However, the flat portion 6a may not be curved so as to protrude upward. Therefore, both the flat surface portion 6a and the groove portion 6b may be a horizontal flat surface.

In the above-described embodiment, a case has been described in which a plurality of stepped portions 5 are arranged in the central portion in the longitudinal direction of the top plate 3 and are densely formed in the vicinity of the central portion in the longitudinal direction of the top plate 3. The number and arrangement of the portions 5 (distance between the step portions) may be changed. Therefore, the width of the flat portion 6a and the width of the groove 6b may be changed.

  If the present invention is used, the strength can be improved even if the plate thickness is reduced.

DESCRIPTION OF SYMBOLS 1 Air conditioner outdoor unit 2 Casing 3 Top plate 5 Step part 7 Slope part 8 Name plate

Claims (4)

An outdoor unit of an air conditioner having a casing including a top plate,
The top plate is substantially rectangular, and has a plurality of step portions provided on the surface thereof.
The plurality of step portions are formed along the outer end portion on the short side of the top plate, and at least one end thereof is disposed on the inner side from the outer end portion on the long side of the top plate ,
The top plate is alternately arranged with flat portions and groove portions respectively arranged between adjacent step portions,
The outdoor unit, wherein the flat portion is curved so as to protrude upward as it is away from the outer end portion on the long side of the top plate . The top plate is disposed between the plurality of step portions and the outer end portion on the long side of the top plate, and becomes lower from the plurality of step portions toward the outer end portion on the long side of the top plate. The outdoor unit according to claim 1, further comprising a slope portion.   The outdoor unit according to claim 1 or 2, wherein the plurality of stepped portions are densely formed in the vicinity of a central portion in the longitudinal direction of the top plate. The outdoor unit according to any one of claims 1 to 3 , wherein at least one width of the flat portion is equal to or greater than a width of an inscription plate formed on the top plate.

Images