JP2001065926A - Outdoor machine for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a cost by contriving the reduction of the number of parts items as well as the weight of the same and the improvement of assembling property, further, contrive the simplification of a mold as well as the reduction of the cost of the mold upon producing a casing by the molding of a resin. SOLUTION: An outdoor heat exchanger 12 and a ventilating fan 10 are received in a rectangular box type casing 1 so as to be opposed while a compressor 7 is received in the same casing through a partitioning plate 13. In this case, the surface of the casing, which is opposed to the ventilating fan 10, or a front cabinet 2, a fan guard 14, arranged on the opposing surface of the ventilating fan 10 in the front cabinet 2, and a bell mouth 17, arranged at the outlet side of the ventilating fan 10, are molded integrally by a resin.

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 an improvement in a molding structure of a part of a component and a housing.

[0002]

2. Description of the Related Art FIG. 5 is an exploded view of an outdoor unit of a conventional air conditioner. Case A is a front cabinet a
And a rear cabinet b, only a part of which is shown, is combined with a bottom plate c and a top plate (not shown) to form a rectangular box. A blower supporting leg e for supporting the blower d is provided upright on one side of the bottom plate c, and a compressor (not shown) is arranged on the other side.

[0003] The blower d comprises a fan motor f directly attached to the blower support leg e, and a propeller fan g fitted on a rotating shaft of the fan motor f. A fan guard h is attached to the front cabinet a of the housing A facing the propeller fan g, and a bell mouth i is attached along the periphery of the propeller fan g. The attachment of the fan guard h and the bell mouth i to the front cabinet a is usually performed by nail fixing.

[0004] Further, along the periphery of the blower d, L
A fan-shaped outdoor heat exchanger (not shown) is disposed, and the blower d and the outdoor heat exchanger are separated from the compressor by a partition plate j.
In the position defined by

[0005]

By the way, a front cabinet a and a rear cabinet b which constitute a rectangular box-shaped housing A.
Are all made of sheet metal obtained by bending a thin metal plate, whereas the fan guard h and the bell mouth i are molded products of different resin materials.

Therefore, the number of parts to be prepared is large, the management is troublesome, and the cost is adversely affected, and the disassembly and separation at the time of recycling are troublesome. Since different resin materials are used, the shrinkage ratio differs between summer and winter, and it is difficult to set a clearance in design. The bell mouth i is attached from the back side of the front cabinet a, and the fan guard h is attached from the front side, which is troublesome to assemble.

In view of the unification of the materials, the fan guard h and the bell mouth i are made of the same resin material, and the cabinets a, b, and
There is a plan to change c and the like to the same resin molded product. However, the front and rear cabinets a and b are formed in a U-shape in plan view. In particular, the length of the rear cabinet b is longer than both sides of the front cabinet a. Thereafter, when the cabinet b is molded, the mold stroke becomes longer, and the molding time becomes longer. And it can not be die cut at once, it becomes a slide type,
The mold becomes extremely complicated and the mold cost increases.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the number of parts by integrally molding a front cabinet, a fan guard, and a bell mouth with a resin mold material. Provide an outdoor unit of an air conditioner that achieves cost reduction by improving weight and weight and improving the assemblability, and simplifies the mold and reduces the mold cost when molding the housing with resin. It is assumed that.

[0009]

Means for Solving the Problems In order to satisfy the above object, an outdoor unit of an air conditioner according to the present invention has the following features.
In a rectangular box-shaped housing, a heat exchanger and a blower are housed facing each other, and an outdoor unit of an air conditioner housing a compressor via a partition plate is a housing surface facing the blower. The cabinet, a fan guard arranged on the blower-facing surface of the front cabinet, and a bell mouth arranged on the blowout side of the blower are integrally molded with a resin mold.

According to a second aspect, in the outdoor unit of the air conditioner according to the first aspect, the bell mouth is integrally molded on the same surface with the front cabinet via a hinge portion, and the bell mouth is formed in the hinge portion. It is characterized by being assembled into a predetermined shape by bending along.

According to a third aspect of the present invention, in the outdoor unit of the air conditioner according to the second aspect, the bell mouth is attached and fixed to the front cabinet via fixing means in the assembled state of the bell mouth. .

According to a fourth aspect of the present invention, in the outdoor unit of the air conditioner according to the first aspect, the rectangular box-shaped casing is integrally molded on at least two surfaces on a same plane via a hinge portion, and the hinge is formed. It is characterized in that it is assembled into a predetermined shape by bending along a part.

According to a fifth aspect, in the outdoor unit of the air conditioner according to the fourth aspect, in the assembled state of the housing, one surface of the housing is attached and fixed to the other surface via fixing means. Features.

[0015] Claim 6 is a third or fifth aspect of the present invention.
In the outdoor unit for an air conditioner according to any one of the above, the fixing means is characterized by comprising a claw portion and a hole for hooking the claw portion.

[0015] Claim 7 is Claim 3 and Claim 5
In the outdoor unit for an air conditioner according to any one of the above, the fixing means comprises a mounting hole and a fixing tool inserted through the mounting hole and fixed.

According to an eighth aspect of the present invention, in the outdoor unit of the air conditioner according to any one of the third and fifth aspects, the fixing means includes a claw portion and a hook hole through which the claw portion is hooked. And a combination of a mounting hole and a fixture that is inserted into and fixed to the mounting hole.

By adopting the means for solving the above problems, the number of parts can be reduced, the weight can be reduced, the assemblability can be improved, and the cost can be reduced. Simplification and reduction of mold cost can be obtained.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG.
Are front cabinet 2, rear cabinet 3, and bottom plate 4
And a top plate 5 which are combined with each other to form a rectangular box. Here, all the constituent members of the housing 1 are resin molded products, and are formed as described later.

A compressor 7 to which a pipe group 6 is connected and a propeller fan 9
Blower support leg 11 for supporting blower 10 fitted with
The L-shaped outdoor heat exchanger 12 is accommodated in plan view.
The blower 10 and the outdoor heat exchanger 12 are arranged to face each other, and are located at a position separated from the compressor 7 by a partition plate 13.

At the same time as the resin molding of the front cabinet 2, the blower 1
The fan guard 14 is integrally formed with resin molding at a portion facing the propeller fan 9 of the "0".

Further, at the same time as the resin molding of the front cabinet 2, a hinge part 1 is provided at a part of the upper end edge of the front cabinet 2 which faces the fan guard 14.
The bell mouth portion 16 is integrally formed on the same plane through the intermediation of the bell mouth portion 5.

The hinge portion 15 is formed so as to be thinner than its surrounding members, and can be easily bent by utilizing the elasticity of the resin material. Even if it is brought into close contact, no break occurs.

The bell mouth portion 16 has a flat plate shape, and a bell mouth 17 is formed at the center thereof. Then, at an appropriate position on the peripheral end of the bell mouth part 16, FIG.
As shown in the figure, a claw portion 18 is integrally protruded, whereas the front cabinet 2 has a piece portion 19a having a hole 19 for hooking.
Are provided, and the claw portion 18 and the hooking hole 19 constitute a fixing means 20.

When the housing 1 is assembled, the bell mouth portion 16 is bent along the hinge portion 15 so that the bell mouth portion 16 comes into close contact with the fan guard 14 of the front cabinet 2 and the bell mouth portion described above. 16 claws 18
Are hooked into the hook holes 19 of the front cabinet 2 to securely mount and fix the bell mouth 17.

As shown in FIG. 2B, the fixing means 20 not only comprises the claw portion 18 and the hooking hole 19 but also serves as a second fixing means 20A for connecting the bell mouth portion 16 and the front cabinet 2 to each other. One piece 2 having a mounting hole 21 at a predetermined position
The mounting holes 21 may communicate with each other in a state where the bell mouth portion 16 is provided in close contact with the front cabinet 2 and the fixing tool 22 may be inserted and fastened thereto.

Alternatively, as shown in FIG.
The fixing means 20B includes both the combination of the claw portion 18 and the hooking hole 19 described above and the combination of the fixing tool 22 with respect to the mounting hole 21.
To the front cabinet 2 may be strengthened.

In any case, since the components such as the front cabinet 2 of the housing 1 are formed by resin molding, the overall weight of the outdoor unit can be reduced, and the shape and structure of the outdoor unit can be completely different. The cabinet 2, the fan guard 14 and the bell mouth 17 are integrally formed,
The number of parts can be reduced and assemblability can be improved.

Since the front cabinet 2 and the bell mouth portion 16 are integrated via a hinge portion 15, that is, they are integrated by a so-called hinge configuration, there is no need to be restricted by the mold structure of the bell mouth 17 shape.

In the state of molding, the fan guard 14
Since the bell mouth portion 16 has a flat shape with respect to the front cabinet 2 in which is integrally formed, the transportation efficiency of parts is improved. It is easy to engrave because of the molding material, so that labels and the like can be abolished, and the number of parts can be reduced during recycling, so that the work is easy, and since the same material is used, no separation is required. In particular, since the hinge portion 15 is thin, it can be easily divided at the time of recycling.
Saves space for shrinkage

As shown in FIG. 3, the side surface 2a of the front cabinet 2 may be integrally formed on the same plane via a hinge 15a. Also in this case, the fixing means 20, 20 described above is attached to the side surface 2a and the rear cabinet 3 on the receiving side.
A, 20B.

At the time of molding, the front cabinet 2 and the side portion 2a are flat with each other, and therefore have the same effective conditions as described above. The side part 2a can be bent 90 degrees along the hinge part 15a, and this can be assembled to the rear cabinet 3 using any of the fixing means.

As shown in FIG. 4A, the rear surface 3A of the housing 1, for example, constituting the rear cabinet 3, and the left and right side surfaces 3a, 3b are integrated on the same plane via hinges 15b, 15c. It may be molded. Also in this case, the left and right side surfaces 3a and 3b and the front cabinet 2 on the receiving side are provided with any of the fixing means 20, 20A and 20B described above.

At the time of molding, the rear surface 3A and the left and right side surfaces 3a and 3b of the rear cabinet 3 are flat with each other, and therefore have the same effective conditions as described above.

As shown in FIGS. 4B and 4C, the left and right side portions 3a and 3b can be bent 90 degrees along the hinge portions 15a and 15b.
It is assembled to the front cabinet 2 by using any one of 20A and 20B.

In particular, in the case of the rear cabinet 3 as described above, since both corners have a hinge structure, the stroke of the mold can be shortened, the number of slide molds can be reduced, and the efficiency of transporting parts can be improved. In addition, by adding mechanical fixing, an inexpensive and robust cabinet can be obtained.

[0036]

As described above, according to the present invention, the front cabinet, the fan guard, and the bell mouth are integrally molded with a resin mold material, thereby reducing the number of parts, reducing the weight, and improving the assemblability. In this case, the cost can be reduced, and, for example, the resin molding of the rear cabinet that constitutes the housing has the effects of simplifying the mold and reducing the mold cost.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of fixing means having different configurations according to the embodiment;

FIG. 3 is a partial perspective view of a front cabinet according to another embodiment.

FIG. 4 is a view for sequentially explaining molding of a rear cabinet according to another embodiment.

FIG. 5 is a perspective view in which a part of a conventional air conditioner outdoor unit is omitted and disassembled.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Housing | casing, 12 ... Outdoor heat exchanger, 10 ... Blower, 13 ... Partition board, 7 ... Compressor, 2 ... Front cabinet, 14 ... Fan guard, 17 ... Bellmouth, 15 ... Hinge part, 20, 20A, 20B: Fixing means, 18: Claw portion, 19: Hook hole, 21: Mounting hole, 22: Fixing tool.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shigeki Sugiyama 3-3-9, Shimbashi, Minato-ku, Tokyo Inside Toshiba Abu E Corporation (72) Inventor Shigenori Hori 3-chome, Shimbashi, Minato-ku, Tokyo No.3-9 Toshiba Abu E Co., Ltd. F-term (reference) 3L054 BA02 BA03 BA05 BB01 BB03

Claims (8)

[Claims] 1. An outdoor unit of an air conditioner in which a heat exchanger and a blower are housed in a rectangular box-shaped housing so as to face each other and a compressor is housed via a partition plate, wherein the outdoor unit faces the blower. A front cabinet which is a housing surface,
An outdoor unit for an air conditioner, wherein a fan guard disposed on the surface of the front cabinet facing the blower and a bell mouth disposed on the blowout side of the blower are integrally molded with a resin mold. 2. The bell mouth is integrally molded on the same surface with the front cabinet via a hinge portion, and is assembled into a predetermined shape by bending along the hinge portion. The outdoor unit of the air conditioner according to claim 1, wherein 3. The outdoor unit of an air conditioner according to claim 2, wherein the bell mouth is mounted and fixed to the front cabinet via fixing means in the assembled state of the bell mouth. 4. The rectangular box-shaped housing is formed by molding at least two surfaces integrally on the same plane via a hinge portion, and assembling into a predetermined shape by bending along the hinge portion. The outdoor unit of the air conditioner according to claim 1, wherein: 5. The outdoor unit for an air conditioner according to claim 4, wherein, in the assembled state of the housing, one surface of the housing is attached and fixed to the other surface via fixing means. 6. The outdoor of an air conditioner according to claim 3, wherein said fixing means comprises a claw portion and a locking hole for locking said claw portion. Machine. 7. The air conditioner according to claim 3, wherein said fixing means comprises a mounting hole and a fixing tool inserted through said mounting hole and fixed. Outdoor unit. 8. The fixing means comprises a combination of a claw portion, a hooking hole in which the claw portion is hooked, and a mounting hole.
6. A combination with a fixing tool which is inserted into and fixed to the mounting hole.
The outdoor unit of the air conditioner according to any one of the above.