JP3198824B2 - Bottom frame of outdoor unit for air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a bottom frame of an outdoor unit for an air conditioner.

[0002]

2. Description of the Related Art In general, a bottom frame of an outdoor unit for an air conditioner can reliably discharge drain water even when the outdoor unit is installed, for example, inclined left or right or back and forth. In addition, it has a complicated drawing shape so as to secure sufficient strength.

FIGS. 3 and 4 show an example of the structure of a bottom frame of such a conventional outdoor unit for an air conditioner.

In the drawing, reference numeral 1 denotes a bottom frame, which is substantially flat as a whole as shown in the figure, and constitutes a bottom of a rectangular parallelepiped outdoor unit outer casing 2 as shown in FIG. It has become.

[0005] A propeller fan PF, a heat exchanger (condenser) HE, a compressor CP, and the like (not shown) are provided inside the outer casing 2 at an upper portion thereof.

Accordingly, the illustrated bottom frame 1 is provided with a propeller fan installation section 3, a heat exchanger installation section 4, a compressor installation section 5, and the like, respectively.

The propeller fan installation section 3 has a predetermined depth at the center front surface of the bottom frame 1 and extends in the left-right direction. Further, there are provided a plurality of first to fifth drawing portions 6a to 6e protruding upward to increase longitudinal rigidity and secure a fan installation surface extending in the front-rear direction. In the first to fifth drawing parts 6a to 6e, the third drawing part 6c at the center part in the left-right direction has a wide width in the left-right direction, and the first, second and fourth parts on the left and right sides thereof are formed. The fifth drawn portions 6a, 6b, 6d, 6e are each formed to be narrow. The first to sixth flat portions 7a to 7f between them are provided with a drain water collecting groove 4 having a predetermined depth and provided in front of a rear heat exchanger installation portion 4 described later.
The leading edge 8a of a is continuous with a slight downward slope.

The heat exchanger installation section 4 is formed in a hook shape from the rear side of the central portion of the bottom frame 1 to the position of the side portion 7 thereof. Water collecting groove 4a having a main first drain water discharge port 8 recessed in the groove, and a heat exchanger fixing surface portion formed from the rear surface side of the drain water collecting groove 4a to the side portion 7 thereof. 4b.

The heat exchanger fixing surface portion 4b projects slightly above the rear edge surface 8b of the drain water collecting groove 4a at the drain water collecting groove 4a to form a convex surface portion. The portion (the right end in the figure) is elongated to a position near a boundary portion with the compressor installation portion 5 to be described later, and has a second drain water discharge port 21 slightly to the left of the center portion in the left-right direction. I have. On the other hand, the other end (the left end in the figure)
It is formed to extend on the side portion 7 surface.

In the side portion 7, a groove 32 for collecting drain water slightly recessed downward is formed by drawing, and a third drain water discharge port 31 is provided at the bottom front position. Is provided.

Further, the compressor installation section 5 is formed at one end (the right end in the drawing) of the bottom frame 1. A first drawing portion 9 and a second drawing portion 11 projecting upward for rigidity increase are formed around the periphery.

The first drawing section 9 has a predetermined width from the propeller fan installation section 3 side to the compressor installation section 5 side, and extends from the front end 9a side to the rear end 9b side. The rear end portion 9b is formed to extend in a hook shape behind the right compressor installation portion 5 in the figure. The second drawing portion 11 is located at the right end of the bottom frame 1 as shown in the figure and extends from the front side to the rear side in a predetermined bent state.

The outer frame of the bottom frame 1 surrounds the propeller fan installation section 3, the heat exchanger installation section 4, the compressor installation section 5 and the like, each of which is constructed as described above. An edge portion 28 that stands upright (upright due to bending) is provided above the height. The front side portion 18a corresponding to the boundary between the propeller fan installation section 3 and the compressor installation section 5 having a large weight difference of the edge section 28 has a narrow width that is recessed into a flat trapezoidal shape in a rear direction toward a predetermined distance. It is formed in a concave portion.

Then, as shown in FIG. 5, for example, as shown in FIG. 5, the bottom frame 1 having the above-described structure is installed in a packing material as required, and the propeller fan installation portion 3 inside the legs 10a and 10b and the heat The forklift lifting levers 20a, 20
0b is inserted and lifted and transported.

[0015]

As described above, in the structure of the conventional bottom frame, the drain water collecting groove 4a is particularly located at the center in relation to the drain water drainage treatment corresponding to the inclined installation of the outdoor unit as described above. A first large-diameter drain water discharge port 8 which is a main bore and protrudes downward is provided at the end of the compressor installation section 5 side at the end of the compressor installation section 5. (The left end in the figure) is greatly inclined to the first drain water discharge port 8 side.

Therefore, because of the downwardly projecting first drain water discharge port 8, the right lifting lever among the lifting levers 20a and 20b of the forklift is particularly used.
Supporting surface of the 20b does not become planar state, yet too large a difference in height between the supporting surface of the left lifting lever 20a,
There was a problem that stable support was not possible as it was.

For this purpose, for example, FIG. 3 and FIG.
As shown by phantom lines, the legs 10a, 10
The batten 40, 41 is interposed at the front and rear ends on the inner side of the b, and a flat supporting surface is formed by the corresponding wood 40, 41 to achieve stable support.

Accordingly, there is a problem that it is necessary to interpose the batten 40, 41 for transportation (embed the batten in the packing material).

[0019]

SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving such a problem, and is constituted as follows.

That is, the bottom frame of the outdoor unit for an air conditioner of the present invention constitutes the bottom of a rectangular parallelepiped outdoor unit outer casing 2 as shown in FIGS. 1 and 2, for example.
A bottom frame 1 having a substantially flat plate shape,
Fan installation part 1 provided on the front side of the central part of 1
3 and the central part of the same bottom frame 1
With a drain water collecting groove 14a extending in the left-right direction.
The heat exchanger installation section 14, the fan installation section 13 and the heat
Compressor installation section 15 provided on one side of exchanger installation section 14
And a drain water drain provided in the drain water collecting groove 14a.
An outlet 8 for drain water in the drain water collecting groove 14a;
The discharge port 8 is centered in the left-right direction of the drain water collecting groove 14a.
On the left and right sides of the center of the bottom frame 1
While the forklift support surface is flat,
Formed by drawing the drawn part 24 for improving the workability to the upper side
And install the compressor from the fan installation section 13
It is formed in a crank shape extending over a rear portion of the portion 15 .

[0021]

As a result, in the bottom frame of the outdoor unit for an air conditioner according to the present invention, the following effects can be obtained in accordance with the above configuration.

[0022] That is, in the first configuration of the bottom frame of the air conditioner outdoor unit of the present invention, as described above, drain water collection grooves extending in the lateral directions for the drain water discharge process corresponding to the inclined installation of the outdoor unit 14a is formed with a drain water discharge port 8 to the horizontal center.

Accordingly, on the lower surface side , for example, a left and right lifting lever 2 of a forklift as shown in FIG.
0a, on the right side of the boundary portion side portion of the heat exchanger installing part 14 and the compressor installation portion 15 lifting lever 20b is inserted among 20b, downward by conventional such drain water outlet 8 There is no protrusion, and the receiving surface becomes as flat as possible. As a result, it is not necessary to interpose a batten for transportation as in the related art.

The drain water discharge port 8 is provided with a drain water collecting port.
The results are provided in the central portion in the lateral direction of the groove 14a, a substantially inclined angle from both left and right ends of the drain water collection groove 14a itself Ri Do can be laterally equalized, the height of the left and right receiving surfaces the tilt angle itself with I can be equally Uninaru even better smaller than the conventional, even projecting height of the lower drain water outlet 8 itself is reduced.

Furthermore, the drain water discharge processing function corresponding to the inclined arrangement of the outdoor unit can be realized in the same manner as in the related art.

[0026] Then, among various installation of the outdoor unit, the weight of the compressor is heaviest. Therefore, when supported by a forklift as described above, the fan installation portion 13 and the
If the lateral rigidity between the heat exchanger installation part 14 side and the compressor installation part 15 side is low , the same part may be bent right and left.

Therefore, in the above configuration, a diaphragm for improving lateral rigidity is used.
And a drawing section 24 for improving the lateral rigidity protrudes upward, from the fan installation section 13 side.
Extending in a crank shape over the rear of the compressor installation portion 15
Is formed .

Therefore, the above-described bottom frame has the same structure.
As a result, the lateral rigidity of the rubber member 1 is greatly improved, and the possibility of the conventional bending is less likely to occur. This also improves the vertical rigidity at the same time, and enables stable support of the compressor.

[0029]

Therefore, according to the bottom frame structure of the outdoor unit for an air conditioner of the present invention, the drainage drainage performance is the same as that of the conventional one, and even if the packing material has no batten. Rip the bottom frame directly with the lift,
It is possible to carry highly stable transport. Also,
Since a batten is not required, the cost is reduced accordingly.

[0030]

1 and 2 show the structure of a bottom frame of an outdoor unit casing for an air conditioner according to an embodiment of the present invention.

In the figure, reference numeral 1 denotes a metal bottom frame of the present embodiment, and the bottom frame 1 has a substantially flat plate shape as a whole as shown in the figure, and a rectangular parallelepiped outdoor unit outer casing as shown in FIG. 2 is formed.

A propeller fan PF, a heat exchanger (condenser) HE, a compressor CP, and the like (not shown) are disposed on the upper side of the outer casing 2.

Accordingly, the illustrated bottom frame 1 is provided with a propeller fan installation section 13, a heat exchanger installation section 14, a compressor installation section 15, and the like, respectively. The propeller fan installation section 13 has a predetermined depth at a central front surface position of the bottom frame 1 and is formed to extend in the left-right direction. And the propeller fan installation section 1
3 is provided with a plurality of first to fifth drawing portions 16a to 16e projecting upward to increase longitudinal rigidity and extend in the front-rear direction. The first to fifth drawing parts 16
a to 16e have substantially the same diameter and the same length, respectively, and are disposed at substantially equal intervals in the left-right direction.

Then, each of the drawing portions 16a to 16e
The first to sixth flat portions 17a to 17f between the front-end portion 18a and the front-end portion 18a of the center-side drain water collecting groove 14a in the front-rear direction of the rear-side heat exchanger installation portion 14, which will be described later, From the rear side with a slight downward gradient.

The heat exchanger installation portion 14 is located at the rear side of the central portion of the bottom frame 1 so that the drain water can be discharged, and the drain water collecting groove 14a and the drain water collecting groove 14a are formed. And a heat exchanger fixing surface portion 14b extending from the rear portion to the front of the side portion 30. The drain water collecting groove 14a extends in the left-right direction and is recessed downward by a predetermined depth, and a main drain water outlet 8 is provided at a center position in the left-right direction. Then, the bottom surface is substantially １ ／ from both left and right sides toward the first drain water discharge port 8.
3 and 4, the slope is gentler than the conventional one shown in FIGS. Further, the heat exchanger fixing surface portion 14b is formed to project slightly above the rear edge surface 18b of the drain water collecting groove 14a, which is an inclined surface, behind the drain water collecting groove 14a to form a convex portion. One end (the right end in the figure) is elongated and extends to a position on the back side of the center of the compressor installation portion 15 described later, and has a second drain water discharge port 21 near the end of the extension portion 19. ing. Also,
The other end (the left end in the figure) is formed by the upper surface of the side portion 30.

A drain water collecting recess 32 slightly recessed downward is formed in the side portion 30 by drawing, and a third drain water discharge port 31 is provided at the bottom front side thereof. Is provided.

Further, the compressor installation part 15 is formed at one end (the right end in the figure) of the bottom frame 1 and has slits 15a to 15a extending in the left-right direction at the center thereof.
15d are formed at predetermined intervals in the front-rear direction. Further, first, second, and third drawing portions 23 to 25 projecting upward to increase lateral rigidity are formed around the periphery.

The first drawing portion 23 is formed to extend in the left-right direction from the sixth flat portion 17f on the adjacent propeller fan installation portion 13 side to the compressor installation portion 15 side. Further, as shown in the drawing, the second drawing portion 24 extends a part 24a of the front side end portion to an intermediate position of the sixth plane portion 17f of the propeller fan installation portion 13 on the left side in the drawing, and A part 24b of the side end is extended to the rear part of the compressor installation part 15 on the right side in the figure, and a central part 24c
Are formed in a flat crank shape as a whole of the wide eyes. Further, the third drawing portion 25 is located at the right end in the drawing of the bottom frame 1 and extends from the front side to the rear side in a predetermined bent state.

The outer peripheral portion of the bottom frame 1 surrounds the propeller fan installation section 13, the heat exchanger installation section 14, the compressor installation section 15 and the like configured as described above. An edge portion 28 that stands upright (upright due to bending) is provided above the height. Then, the propeller fan installation section 13 and the compressor installation section 1 of the edge section 28 are provided.
The front side portion 28a corresponding to the boundary portion with 5 is formed as a concave portion which is considerably longer in the left and right width than in the related art, and which is gently recessed into a flat trapezoidal shape in the rear direction for a predetermined distance.

Therefore, according to the bottom frame 1 having the above-described structure, the following effective operation and effect that solves the above-described problem of the conventional example corresponding to the structure can be obtained. (1) That is, first, in the configuration of the bottom frame 1, as described above, the drain water collecting groove 14a for drain water discharge processing corresponding to the inclined installation of the outdoor unit is provided with the first central part in the left-right direction. It is formed with a drain water discharge port 8.

Therefore, for example, as shown in FIG. 5, a heat exchanger installation portion into which the right lifting lever 20b of a pair of left and right lifting levers 20a, 20b of a forklift is inserted between the lower surface side legs 10a, 10b. The first portion as in the prior art is provided at the boundary side portion between the compressor 14 and the compressor installation portion 15.
No downward projection due to the drain water discharge port 8
The receiving surface is as flat as possible. As a result, it is not necessary to interpose a batten for transportation as in the related art.

Further, since the first drain water outlet 8 is provided at the center in the left-right direction, the drain water collecting groove 14a is formed.
The angle of inclination from both left and right ends of the body itself is also equal, the height of the right and left sides is equal, and the angle of inclination itself can be smaller than in the past, so that the first drain water discharge port 8 itself can be lowered. The protrusion height is also reduced.

In addition, the drain water discharge processing function corresponding to the inclined arrangement of the outdoor unit can be realized in the same manner as in the related art. (2) Generally, the compressor is the heaviest among the various installations of the outdoor unit. Accordingly, when the lateral rigidity at the boundary between the propeller fan installation section 13 and the heat exchanger installation section 14 side and the compressor installation section 15 side is low when supported by the forklift as described above, May be bent. The higher the vertical rigidity, the better.

However, in the above configuration, one end of each of the first drawing section 23 and the second drawing section 24 is provided so as to extend sufficiently left and right at the boundary portion, respectively. The length in the front-rear direction and the width in the left-right direction of the central portion 24c are sufficiently large, and the second drawn portion 2
The other end 24b side of 4 is sufficiently extended to the rear center position of the compressor installation section 15 to form a crank shape as a whole. In addition, the front side edge portion 28a of the bottom frame 1 corresponding to the boundary portion is a gentle concave portion.

Therefore, the lateral rigidity of the boundary portion is greatly improved by these structures, and the possibility of the conventional bending is less likely to occur. At the same time, the vertical rigidity is improved, and stable support of the compressor is enabled.

[Brief description of the drawings]

FIG. 1 is a plan view showing a structure of a bottom frame of an outdoor unit for an air conditioner according to an embodiment of the present invention.

FIG. 2 is a front view of the same bottom frame.

FIG. 3 is a plan view showing a structure of a bottom frame of the conventional outdoor unit for an air conditioner.

FIG. 4 is a front view of the same bottom frame.

FIG. 5 is a schematic diagram showing a lift engagement state when the air conditioner outdoor unit before packing is transported by a forklift.

[Explanation of symbols]

1 is a bottom frame, 8 is a first drain water outlet, 13 is a propeller fan installation part, 14 is a heat exchanger installation part, 14a is a drain water collecting groove, 14b is a heat exchanger fixing surface part, and 15 is a compressor installation. , 23 is a first drawing portion, 24 is a second drawing portion, 25 is a third drawing portion, 28 is an edge portion,
28a is a concave portion of the edge portion.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-86474 (JP, A) JP-A-5-231325 (JP, A) JP-A-6-2031 (JP, U) JP-A-6-231 18823 (JP, U) Japanese Utility Model Showa 62-6617 (JP, U) Japanese Utility Model Showa 62-124422 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 5/00

Claims (1)

(57) [Claims] 1. An outdoor unit outer casing having a rectangular parallelepiped shape.
A substantially flat bottom frame (1) constituting the bottom of (2)
Which is located on the front side of the center of the bottom frame (1).
And a frame with the same bottom
(1) Left and right direction located on the rear side of the center
Heat exchanger with drain water collecting groove (14a) extending
Mounting part (14), the fan mounting part (13) and heat exchange
Compressor installation part provided on one side of exchanger installation part (14)
(15), provided in the drain water collecting groove (14a).
A drain water discharge port (8);
Connect the drain water outlet (8) of (14a) to the drain water collection
At the center in the left-right direction of the groove (14a), the bottom frame
Forklift on the lower surface on both sides of the center of the unit (1)
Drawing surface to improve lateral rigidity while supporting surface is flat
The part (24) is formed by projecting upward and
The fan installation section (13) to the compressor installation section (15)
A bottom frame of an outdoor unit for an air conditioner, wherein the bottom frame is formed in a crank shape extending over a rear portion of the outdoor unit.