JP2003207170A - Outdoor unit of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner in which the manufacturing cost of a mounting stand for fixing a fan motor is reduced and duct resistance by the mounting stand is reduced. <P>SOLUTION: The mounting stand 8 to fix the fan motor 9 has a plate-like leg portion 8a, a pair of support portions 8b continued from both sides of the upper end of the leg portion 8a, a fan motor fixing portion 8c formed into a U shape, on the upper portion of the support portions 8b with a plurality of screw holes punched out, and upper fixing portions 8d extended rearward, on both sides of the upper portion on an inner circumference of the fixing portion 8c, bent into an L shape in an opposite manner. An upper fixing fitting 12 including a pawl portion 12a and a clamp portion 12c is mounted on the fixing portions 8d, and the fitting 12 is fixed to a heat exchange tube of an outdoor heat exchanger. <P>COPYRIGHT: (C)2003,JPO

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, and more particularly, to a structure in which an upper portion of a mount having a fan motor mounted thereon can be hooked on a heat transfer tube of a heat exchanger. .

[0002]

2. Description of the Related Art Since the internal structure of an outdoor unit of an air conditioner according to a conventional example is almost the same as that of the present invention, the internal structure will be described with reference to FIG. As shown in FIG. 2, the outdoor unit of the air conditioner divides the base 1 into left and right sides by a partition plate 4, a heat exchanger chamber 5 on one side and a machine room 6 on the other side. It is provided. The heat exchanger chamber 5 is provided with an outdoor heat exchanger 7, a blower fan 10, and a fan motor 9 for driving the blower fan 10, respectively.
The fan motor 9 is fixed to a mounting base provided upright on the base 1. The machine room 6 is provided with a compressor 11 that compresses the refrigerant and sends the refrigerant to the outdoor heat exchanger 7 during a cooling operation, an accumulator that stores the refrigerant, and the like. Further, as shown in FIG. 1, the base 1 is provided with a front panel having a front face and both side faces, which forms an outlet 3, and an outer body 2 having a top face and a back face. There is.

A conventional mounting base for fixing a fan motor is
For example, the configuration is as shown in FIG. The mounting base 30 shown in FIG. 6 includes a leg portion, a column portion connected to both upper ends of the leg portion, a fixing portion 30a for forming a plurality of screw holes, and fixing the fan motor 9 by the screw holes, and the fixing portion. An upper fixing portion 3 extending upward from 30a and bent forward
0b, the leg portion is screwed to the base 1, and the upper fixing portion 30b is fixed to the outer case 2.

However, by providing the upper fixing portion 30b, the above-mentioned mounting base 30 inevitably has a large outer dimension, which causes an increase in manufacturing cost and manufacturing man-hours as a mounting part, and the upper fixing portion 30b is There is a risk that the flow path resistance of the air flowing from the outdoor heat exchanger 7 to the outlet 3 may be exerted, and the heat exchange efficiency in the outdoor heat exchanger 7 may be affected.

[0005]

In view of the above problems, the present invention provides an outdoor unit for an air conditioner that reduces the manufacturing cost and the manufacturing man-hour of the mounting base and reduces the flow path resistance due to the mounting base. The purpose is to

[0006]

In order to solve the above-mentioned problems, the present invention divides the base into a heat exchanger chamber and a machine chamber by a partition plate, and is arranged in parallel to the rear portion of the heat exchanger chamber. An outdoor heat exchanger consisting of a large number of fins and a heat transfer tube arranged in a meandering shape orthogonal to the fins is provided, and a blower fan and a blower fan are provided in front of the outdoor heat exchanger. In an outdoor unit of an air conditioner in which a fan motor to be driven and a mounting base to which the fan motor is fixed are provided, and a compressor is installed in the machine room, the mounting base is provided with a leg and both upper ends of the leg. A pair of support columns connected to the
A fan motor fixing part formed in a letter shape and having a plurality of screw holes, and formed on both upper sides of the fan motor fixing part,
An upper fixing part having a mounting hole is provided, and an upper fixing tool corresponding to the mounting hole of the upper fixing part and provided with a claw part for engaging with the heat transfer tube of the outdoor heat exchanger is provided. While fixing the legs of the mounting base on the base,
The claw portion of the upper fixture attached to the attachment hole of the upper fixture is hooked on the heat transfer tube to fix the upper portion of the mount.

Further, the upper fixing portion of the mounting base extends rearward on both sides of the inner peripheral side of the fan motor fixing portion and is bent in an L-shape so as to face each other, and the bending portion has a vertically long shape. The mounting holes are formed in a pair of left and right, respectively.

Further, the upper fixing member is made of a flexible resin material, and the claw portions are bifurcated into left and right portions corresponding to the mounting holes formed in a left and right pair. ing.

Further, a nipping portion formed by a circular notch whose rear end is opened to an extremely fine shape is formed in the upper and lower central portions of the nib portion, and the heat transfer tube is sandwiched in the nipping portion so that the nipping portion is formed. Is configured to be hooked on the heat transfer tube.

Further, notches are provided in the upper and lower central portions of the claw portion to divide the claw portion into upper and lower parts, while semi-circular notches are formed at the upper edge of the upper claw portion and the lower edge of the lower claw portion, respectively. To form
The upper side of the heat transfer tubes arranged vertically is engaged with the notch of the upper claw portion, and the lower heat transfer tube is engaged with the notch of the lower claw portion.

Further, a C-shaped clamp portion for clamping the wire led out from the fan motor is formed on the front surface of the claw portion of the upper fixture.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail as examples based on the accompanying drawings. FIG. 1 is an external perspective view of an outdoor unit of an air conditioner according to the present invention,
FIG. 2 is a perspective view showing the internal structure. FIG. 3 is a perspective view showing the structure of the mounting base, and FIGS. 4 and 5 are sectional views showing the fixing of the upper part of the mounting base. In the outdoor unit of the air conditioner according to the present invention, as described in the conventional example, as shown in FIG. 1, the front panel having the air outlet 3 formed on the base 1 and the outer case 2 are mounted, and the base 1 is mounted. Partition plate 4 on top
Is divided into the left and right by the heat exchanger chamber 5
The machine compartments 6 are provided on the other side. Figure 2
As shown in FIG. 6, a large number of fins 7b arranged in parallel and a meandering shape orthogonal to the fins 7b are provided at the rear part of the heat exchanger chamber 5, and both ends are formed by U-shaped tubes. An outdoor heat exchanger 7 having a U-shape and including a joined heat transfer tube 7a is provided. On the front surface of the outdoor heat exchanger 7, a mount 8 to which a fan motor 9 is fixed, and the fan are provided. A blower fan 10 is provided which discharges the air driven by the motor 9 and heat-exchanged by the outdoor heat exchanger 7 from the air outlet 3 to the outside. The machine room 6 is provided with a compressor 11 for compressing a refrigerant and an accumulator for temporarily storing the refrigerant flowing back to the compressor 11, and a control board or the like (not shown) is provided above the accumulator. An electrical equipment box is provided.

As shown in FIG. 3, the mounting base 8 has a plate-shaped leg portion 8a fixed on the base 1 and the leg portion 8a.
a pair of pillars 8b connected to both upper ends of a and the pillar 8a
A fan motor fixing portion 8c formed in a U shape in the upper part of b and having a plurality of screw holes formed therein, and an L shape formed by extending rearward on both upper inner sides of the fan motor fixing portion 8c. And an upper fixing portion 8d that is bent to face each other. The upper fixing portion 8d has a pair of left and right vertically-long mounting holes 8e for mounting an upper fixing tool, which will be described later. ing. The fan motor 9 has a blower fan 10 on the drive shaft 9a.
Is fixed and screwed to the fan motor fixing portion 8c. The wiring 9b led out from the fan motor 9 is connected to the electrical equipment box.

The upper fixing member 12 attached to the upper fixing portion 8d of the mounting base 8 is made of a flexible resin material, and as shown in FIG. While the claw portion 12a is provided so as to project, a substantially C-shaped clamp portion 12c is formed on the other side by a notch having an open upper end. The claw portions 12a are respectively the upper fixing portions 8
The heat transfer tube 7a of the outdoor heat exchanger 7 is formed by a circular notch formed in the center corresponding to the mounting holes 8e and having a rear end opened to an extremely fine shape. The sandwiching portion 12b corresponding to the diameter of is formed.

Next, the procedure for mounting the mounting base 8 will be described. First, the fan motor 9 having the blower fan 10 fixed thereto is screwed to the fan motor fixing portion 8c. Next, the leg portions 8a are fixed on the base 1, and in this state, the claw portions 12a of the upper fixing tool 12 are inserted into the mounting holes 8e of the upper fixing portion 8d from the front side, respectively, and subsequently shown in FIG. The claw portion 12a,
The outside heat exchanger 7
The sandwiching portion 12b is bitten into the heat transfer tube 7a so as to sandwich it from above and below. As a result, the upper fixing portion 8d of the mount 8 is fixed to the outdoor heat exchanger 7. Further, the pipe 9b led out from the fan motor 9 can be clamped to the clamp portion 12c.

Since the above-described mounting base 8 does not require an upper fixing portion extending upward as shown in the conventional example, the outer dimensions can be reduced, the manufacturing cost and the manufacturing man-hour can be reduced, and the outdoor heat The flow path resistance of the air flowing from the exchanger 7 to the air outlet 3 can be reduced.

Next, another embodiment will be described. Figure 5
In the embodiment shown by, the claw portion 13a of the upper fixture 13 is divided into upper and lower parts, while the upper edge of the upper claw portion 13a and the lower claw portion 1 are separated.
Semi-circular cutouts are formed at the lower end edges of 3a, and the upper side of the heat transfer tubes 7a arranged in the upper and lower portions is connected to the notch of the upper claw portion, and the lower side is transferred to the lower claw portion. The heat pipes 7a are hooked respectively so that the mount 8 is fixed more firmly.

[0018]

As described above, according to the present invention,
An upper fixing part extending rearward is formed on the inner peripheral side of the fan motor fixing part of the mounting base, and an upper fixing part made of a resin material is attached to the upper fixing part. By fixing to the heat transfer tube of the exchanger, the external dimensions of the mounting base can be reduced, the manufacturing cost and man-hours can be reduced, and the flow path resistance of the air flowing from the outdoor heat exchanger to the air outlet can be reduced. It can be an outdoor unit of the air conditioner.

[Brief description of drawings]

FIG. 1 is an external perspective view showing an outdoor unit of an air conditioner according to the present invention.

FIG. 2 is a perspective view showing an internal structure of an outdoor unit according to the present invention.

FIG. 3 is a perspective view showing a mount and an upper fixture.

FIG. 4 is a cross-sectional view showing a state in which an upper fixture is attached.

FIG. 5 is a cross-sectional view showing a state in which an upper fixture according to another embodiment is attached.

FIG. 6 is a perspective view showing a mounting base according to a conventional example.

[Explanation of symbols]

1 base 2 outer body 3 outlet 4 partition boards 5 heat exchanger room 6 Machine room 7 Outdoor heat exchanger 7a Heat transfer tube 7b fin 8 mounting base 8a legs 8b support 8c Fan motor mounting part 8d Upper fixed part 8e Mounting hole 9 fan motor 9a drive shaft 9b wiring 10 Blower fan 11 compressor 12 Upper fixture 12a claw 12b clamping part 12c Clamp part 13 Upper fixture 13a nail part 13b Clamp part

Claims (6)

[Claims] 1. A partition plate divides the base into a heat exchanger chamber and a machine chamber, and a large number of fins arranged in parallel and meandering so as to be orthogonal to the fins at the rear of the heat exchanger chamber. An outdoor heat exchanger consisting of heat transfer tubes arranged in a circle is provided, and in front of the outdoor heat exchanger, a blower fan, a fan motor for driving the blower fan, and a mounting base to which the fan motor is fixed In the outdoor unit of an air conditioner in which a compressor is provided in the machine room, the mounting base includes a leg portion, a pair of column portions connected to both upper ends of the leg portion, and a U above the column portion. The fan motor fixing portion formed in a letter shape and having a plurality of screw holes formed therein, and the upper fixing portions having the mounting holes formed at both upper sides of the fan motor fixing portion are formed. Corresponding to the mounting hole of the heat transfer tube of the outdoor heat exchanger An upper fixture having a hooking portion is provided to fix the leg portion of the mounting base on the base, while the nail portion of the upper fixture mounted in the mounting hole of the upper fixing portion is transferred to the upper portion. An outdoor unit for an air conditioner, characterized in that the upper part of the mounting base is fixed by being hooked on a heat pipe. 2. The upper fixing portion of the mounting base extends rearward on both sides of the inner peripheral side of the fan motor fixing portion and is bent in an L-shape so as to face each other, and the bending portion has a vertically long shape. The outdoor unit of the air conditioner according to claim 1, wherein a pair of left and right mounting holes are provided. 3. The upper fixing member is made of a flexible resin material, and the claw portions are bifurcated into left and right portions corresponding to the mounting holes formed in a left and right pair. The outdoor unit for an air conditioner according to claim 2. 4. A nipping portion formed by a circular notch whose rear end is opened in an extremely fine shape is formed in the upper and lower central portions of the nipping portion, and the heat transfer tube is sandwiched in the nipping portion. The outdoor unit of the air conditioner according to claim 1 or 3, wherein the heat transfer tube is hooked on the heat transfer tube. 5. A notch is provided in the upper and lower central portions of the claw portion to divide the claw portion into upper and lower parts, and an upper edge of an upper claw portion,
Semi-circular cutouts are formed on the lower edges of the lower claws, and the upper side of the heat transfer tubes arranged vertically is formed in the cutouts of the upper claws, and the lower side is formed in the cutouts of the lower claws. The outdoor unit of the air conditioner according to claim 1 or 3, wherein the heat transfer tubes are hooked respectively. 6. The C-shaped clamp portion for clamping the wiring led out from the fan motor is formed on the front surface of the claw portion of the upper fixture. The outdoor unit of the air conditioner according to claim 3, claim 4, or claim 5.