JPH10141711A - Outdoor device of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor device of an air conditioner in which an upper part fixing section of a motor fixing table can be threadably fitted and fixed or removed at the front surface side by screws without removing a rear cover constituting an outer barrel installed at a bottom plate and at the same time a so-called vibratory sound is not produced during operation. SOLUTION: Insertion holes 9a through which heat transfer pipes of a heat exchanger 4 pass are formed between fins of the heat exchanger 4. There is provided a fixing plate 9 having some fixing sections 10 opposing against the upper fixing section of the motor fixing table 5. The fixing section of this fixing plate and the upper fixing section of the motor fixing table 5 are provided with fixing means comprised of the fixing holes 5d and the threaded holes 10a. The screws passed through the fixing holes 5d are threadably fixed to the threaded holes 10a and the upper fixing section of the motor fixing table is fixed to the fixing plate.

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 method for easily and accurately fixing or removing an upper mounting portion of a motor mounting base. In addition, the present invention relates to a structure in which fins of the heat exchanger are not deformed so that so-called chattering noise is not generated during operation.

[0002]

2. Description of the Related Art A conventional outdoor unit of an air conditioner is, as shown in, for example, FIG. 1, FIG. 5A and FIG. The compressor compartment and the heat exchanger compartment are divided by the plate a, the compressor 2 and the electrical component box 3 are provided in the compressor compartment, and the heat exchanger 4 is provided on the rear side of the heat exchanger compartment. A motor mounting base 5 having a fan motor 6 mounted at a substantially central predetermined position is provided opposite the exchanger 4, and a rear cover 12 and a front cover 13 are provided on the bottom plate 1.
And a reinforcing plate 8 for reinforcing the strength of the upper surface of the outer shell is provided along the longitudinal direction of the lower part of the upper surface of the outer shell.

The lower mounting portion of the motor mounting base 5 locks a locking piece 1a provided on the bottom plate 1 into a positioning hole 5a provided in the lower mounting portion of the motor mounting base 5, and 5 is screwed into the screw hole 1b of the mounting portion formed by cutting and raising the bottom plate 1 with the screw 7 inserted through the mounting hole 5b provided in the lower mounting portion, and the upper mounting portion is directed rearward. A substantially L-shaped engaging piece 5d 'is provided, and the engaging piece 5d' is engaged with an upper portion of the heat exchanger 4 and a contact portion 5c is provided for contacting a fin constituting the heat exchanger 4. Joint portion 12 for positioning and joining to the front cover 13.
The screw 11 'is inserted through a fixing hole 12b provided in the rear cover 12 and has a screw hole b provided in the engaging piece 5d' so as to face the fixing hole 12b.

However, when the upper mounting portion of the motor mounting base 5 is screwed and fixed by the screw 11 ', the fixing hole 12b of the rear cover 12 and the screw hole b of the engaging piece 5d' are easily aligned. Workability is worsened because
Further, the fins of the heat exchanger 4 may be deformed due to an impact during transportation or the like, and a gap may be generated between the fins and the engagement piece 5d ′, so that there is a possibility that so-called chattering noise may be generated during operation. .

When removing the upper mounting portion of the motor mounting base 5, after removing the rear cover 12 from the bottom plate 1, an operation procedure for removing the engaging piece 5d 'from the upper portion of the heat exchanger 4. Therefore, there is a problem that workability is poor.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has been made so that the upper mounting portion of the motor mounting base can be screwed from the front side without removing the rear cover constituting the outer shell attached to the bottom plate. An object of the present invention is to provide an outdoor unit of an air conditioner that can be screwed and fixed or can be detached and that does not generate so-called chattering noise during operation.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a heat exchanger comprising a large number of fins provided in parallel at equal intervals on the back side of a bottom plate and heat transfer tubes orthogonal to the fins. The lower mounting part is fixed to the bottom plate, and the upper mounting part is suspended above the fins of the heat exchanger, and a fan motor is mounted substantially at the center, facing the heat exchanger. An outdoor unit of an air conditioner having a base provided with an outer body attached to the bottom plate, comprising an insertion hole for inserting the heat transfer tube between fins of the heat exchanger, A mounting plate having a mounting portion facing the portion is provided, fixing means are provided on the mounting portion of the mounting plate and an upper mounting portion of the motor mounting base, and the upper mounting of the motor mounting base is mounted on the mounting plate by the fixing means. The configuration is such that the section is fixed.

The fixing means comprises a screw hole provided in a mounting portion of the mounting plate, and a through hole provided in an upper mounting portion of the motor mounting base so as to face the screw hole. Is screwed into the screw hole with a screw inserted therethrough, and the upper mounting portion of the motor mounting base is fixed to the mounting plate.

Further, the fixing means comprises a mounting portion of the mounting plate, and a locking piece provided on an upper mounting portion of the motor mounting base so as to face the mounting portion. And the upper mounting portion of the motor mounting base is suspended by locking the portions.

[0010] Further, a locking piece provided at an upper mounting portion of the motor mounting base is locked to the mounting portion of the mounting plate with almost no gap.

[0011] Further, the locking piece provided on the upper mounting portion of the motor mounting base is formed by cutting and raising.

[0012] Further, a plurality of the mounting plates are provided. .

[0013] Further, in the upper mounting portion of the motor mounting base,
A configuration is provided in which flanges sandwiching both sides of the mounting portion of the mounting plate are provided.

Further, the lower end of the mounting plate is configured to abut on the bottom plate.

[0015] Further, a fin of the heat exchanger and a hanging piece facing the upper end of the mounting plate are provided on the upper surface of the outer shell.

Further, the tip of a hanging piece hanging down from the upper surface of the outer trunk is configured to approach or contact the upper end of the mounting plate.

Further, a hanging piece hanging down from the upper surface of the outer body is formed integrally with the outer body.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS With the above construction, the upper mounting portion of the motor mounting base can be easily and accurately fixed or removed, and the fins of the heat exchanger are deformed. Thus, the outdoor unit of the air conditioner is configured to prevent so-called chattering noise during operation.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below in detail with reference to the drawings. FIG. 1, FIG. 2 (A) and FIG. 2 (B)
, FIG. 3 (A), FIG. 3 (B), and FIG.
Reference numeral 1 denotes a bottom plate which constitutes an outdoor unit main body of the air conditioner. The bottom plate 1 is divided by a partition plate a into a compressor room and a heat exchanger room.

A compressor 2 and an electrical component box 3 are provided in the compressor chamber. A large number of fins are provided in parallel at equal intervals on the back side of the heat exchanger chamber, and heat transfer tubes orthogonal to the fins. A heat exchanger 4 having side plates 4a on both sides is provided, and a motor mounting base 5 having a fan motor 6 mounted at a substantially central predetermined position is provided opposite to the heat exchanger 4; An outer body formed by joining a synthetic resin front cover 13 having a front surface and an upper surface and a synthetic resin rear cover 12 having a back surface and both side surfaces at a joint portion 12a is attached to the bottom plate 1. A reinforcing plate 8 for reinforcing the strength of the upper surface of the outer shell 13 is provided along the longitudinal direction of the lower portion of the upper surface.

The lower mounting portion of the motor mounting base 5 locks a locking piece 1a provided in the bottom plate 1 into a positioning hole 5a provided in the lower mounting portion of the motor mounting base 5, and 5 is screwed into and fixed to the screw hole 1b of the mounting portion formed by cutting and raising the bottom plate 1 with the screw 7 inserted through the mounting hole 5b provided in the lower mounting portion. A mounting plate 9 having an insertion hole 9a for inserting the heat transfer tube between the fins of the vessel 4 and a mounting portion 10 opposed to an upper mounting portion of the motor mounting base 5 is provided.
The mounting portion 10 and the upper mounting portion of the motor mounting base 5 are provided with fixing means, which will be described later.
The upper mounting part of the motor mounting base 5 is fixed to the upper mounting part of the motor mounting base 5 by screwing the upper mounting part of the motor mounting base 5 from the front side of the main body without removing the rear cover 12. In addition to being able to be fixed by screwing or being detachable, the fins of the heat exchanger 4 are deformed due to the impact at the time of transportation, etc. This eliminates the formation of a gap between the motor and the motor, so that the so-called chattering noise does not occur during operation.

A fixing means for fixing the upper mounting portion of the motor mounting base 5 to the mounting plate 9 is shown in FIG.
As shown in the figure, a screw hole provided in the mounting portion 10 of the mounting plate 9
10a, and a through hole 5d provided in an upper mounting portion of the motor mounting base 5 so as to face the screw hole 10a, and is screwed into the screw hole 10a by a screw 11 inserted through the through hole 5d. The upper mounting portion of the motor mounting base 5 is configured to be fixed to the mounting plate 9, whereby the upper mounting portion of the motor mounting base 5 is easily and accurately attached to the mounting plate 9. The structure is such that it can be fixed.

Also, the screw hole 10a provided in the mounting portion 10 of the mounting plate 9 is provided with a projection c protruding rearward, so that the strength of the screw hole 10a is enhanced and the screw 11 is firmly fixed. It is configured to be screwed.

Further, since the projection c of the screw hole 10a is formed integrally with the mounting portion 10 of the mounting plate 9, the dimensions and shape can be accurately finished and the configuration is advantageous in terms of cost. I have.

Further, as shown in FIG. 4, a fixing means for fixing the upper mounting portion of the motor mounting base 5 to the mounting plate 9 includes a mounting portion 10 of the mounting plate 9 and the mounting portion 10. Locking piece 5e provided on the upper mounting portion of the motor mounting base 5 so as to face the same.
The locking piece 5e is locked to the mounting portion 10 to suspend the upper mounting portion of the motor mounting base 5, whereby the upper portion of the motor mounting base 5 The structure is such that the mounting portion can be easily and accurately fixed by the mounting plate 9.

Also, the gap d between the locking portions formed by the locking pieces 5e provided on the upper mounting portion of the motor mounting base 5 is set to the mounting plate 9
The upper mounting portion of the motor mounting base 5 can be accurately and firmly fixed to the mounting plate 9 by being formed in such a size that it can be locked to the mounting portion 10 with almost no gap.

Further, since the locking piece 5e provided on the upper mounting portion of the motor mounting base 5 is formed by cutting and raising, the dimensions and shape can be accurately finished, and the configuration is advantageous in terms of cost.

Further, by providing a plurality of the mounting plates 9, a structure can be provided which can be more accurately and firmly fixed to the mounting plate 9.

A flange b for holding both sides of the mounting portion 10 of the mounting plate 9 on the upper mounting portion of the motor mounting base 5.
Is provided so that the left and right directions of the upper mounting portion of the motor mounting base 5 can be accurately positioned.

The lower end of the mounting plate 9 is connected to the bottom plate 1.
, So that the heat exchanger 4 does not directly receive the load applied from above the rear cover 12 and the front cover 13, thereby increasing the strength. I have.

The fins of the heat exchanger 4 and the hanging pieces 12c and 13a opposed to the upper end of the mounting plate 9 are provided on the upper surface of the outer shell composed of the rear cover 12 and the front cover 13. The upper part of the heat exchanger 4 can be shielded from passing air that has not been heat-exchanged, so that the heat exchange efficiency can be prevented from lowering.

A hanging piece 12c hanging from the upper surface of the outer body including the rear cover 12 and the front cover 13
And 13a are arranged so that the top end of the mounting plate 9 is close to or in contact with the upper end of the mounting plate 9 so that the load applied to the upper surface of the outer shell is received by the mounting plate 9 so that the strength can be reinforced. It has a configuration.

Further, a hanging piece 12c hanging from an upper surface of an outer body including the rear cover 12 and the front cover 13 is provided.
And 13a are integrally formed with the rear cover 12 and the front cover 13, respectively, so that the dimensions and shape can be accurately finished and the cost is advantageous.

With the above structure, as shown in FIG. 1, FIG. 2 (A) and FIG. 2 (B), FIG. 3 (A) and FIG. 3 (B), and FIG. 5 so that the upper mounting portion 5 can be accurately positioned and easily fixed to the mounting plate 9 and can be easily removed, and the fins of the heat exchanger 4 can be prevented from being deformed. As a result, an outdoor unit of an air conditioner that can be prevented from generating so-called chattering noise during operation.

[0035]

As described above, according to the present invention, the upper mounting portion of the motor mounting base can be easily and accurately fixed or removed, and the fins of the heat exchanger are deformed. This is an outdoor unit of an air conditioner in which so-called chattering noise is not generated during operation.

[Brief description of the drawings]

FIG. 1 is an external view showing an outdoor unit of an air conditioner according to the present invention and a conventional example.

FIG. 2 is an explanatory view of a main part showing an outdoor unit of an air conditioner according to the present invention, wherein (A) is an exploded perspective view and (B) is a sectional view.

FIG. 3 is an explanatory view of a main part showing a first embodiment of an outdoor unit of an air conditioner according to the present invention, wherein (A) is an exploded perspective view,
(B) is a sectional view.

FIG. 4 is an explanatory view of a main part showing a second embodiment of the outdoor unit of the air conditioner according to the present invention.

FIG. 5 is an explanatory view of a main part showing an outdoor unit of an air conditioner according to a conventional example, where (A) is an exploded perspective view and (B) is a sectional view.

[Description of Signs] 1 Bottom plate 1a Locking piece 1b Screw hole 2 Compressor 3 Electrical component box 4 Heat exchanger 4a Side plate 5 Motor mounting base 5a Positioning hole 5b Mounting hole 5d Through hole 5e Locking piece 6 Fan motor 7,11 Screw 8 Reinforcement plate 9 Mounting plate 9a Insertion hole 10 Mounting part 10a Screw hole 12 Rear cover 12a Joint 12c, 13a Hanging piece 13 Front cover a Partition plate b Flange c Projection d Gap

Claims (11)

[Claims] 1. A heat exchanger comprising a large number of fins provided in parallel at equal intervals and a heat transfer tube orthogonal thereto is placed on the back side of the bottom plate, and opposed to the heat exchanger, A lower mounting portion is fixed to the bottom plate, an upper mounting portion is suspended above the fins of the heat exchanger, a motor mounting base having a fan motor mounted substantially at the center is provided, and an outer shell is attached to the bottom plate. In the outdoor unit of the air conditioner, provided between the fins of the heat exchanger, an insertion hole for inserting the heat transfer tube, and provided with a mounting plate having a mounting portion facing the upper mounting portion of the motor mounting base, An air conditioner, wherein fixing means is provided at a mounting portion of the mounting plate and an upper mounting portion of the motor mounting base, and the upper mounting portion of the motor mounting base is fixed to the mounting plate by the fixing means. Machine outdoor unit. 2. The fixing device according to claim 1, wherein the fixing means includes a screw hole provided in a mounting portion of the mounting plate, and a through hole provided in an upper mounting portion of the motor mounting base opposed to the screw hole. The outdoor unit of an air conditioner according to claim 1, wherein an upper mounting portion of the motor mounting base is fixed to the mounting plate by being screwed into the screw hole with a screw inserted. 3. The fixing means comprises: a mounting portion of the mounting plate; and a locking piece provided on an upper mounting portion of the motor mounting base so as to face the mounting portion. The outdoor unit of an air conditioner according to claim 1, wherein the upper mounting part of the motor mounting base is suspended by locking the part. 4. The air conditioner according to claim 3, wherein a locking piece provided on an upper mounting portion of the motor mounting base is locked to the mounting portion of the mounting plate with almost no gap. Outdoor unit. 5. The outdoor unit of an air conditioner according to claim 3, wherein the locking piece provided on the upper mounting portion of the motor mounting base is formed by cutting and raising. 6. The outdoor unit of an air conditioner according to claim 1, wherein a plurality of said mounting plates are provided. 7. The outdoor unit of an air conditioner according to claim 1, wherein a flange for holding both sides of the mounting portion of the mounting plate is provided in an upper mounting portion of the motor mounting base. 8. The apparatus according to claim 1, wherein a lower end of said mounting plate is in contact with said bottom plate.
The outdoor unit of the air conditioner according to claim 6 or 7. 9. A fin of the heat exchanger and a hanging piece facing an upper end of the mounting plate are provided on an upper surface of the outer shell. Item 10. An outdoor unit of the air conditioner according to Item 8. 10. The outdoor unit of an air conditioner according to claim 9, wherein a tip of a hanging piece hanging from an upper surface of the outer trunk is made to approach or contact an upper end of the mounting plate. 11. The outdoor unit of an air conditioner according to claim 9, wherein a hanging piece hanging down from an upper surface of the outer shell is formed integrally with the outer shell.