JP2002250542A - Outdoor machine of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor apparatus of an air conditioner wherein even if external force is applied to a synthetic resin fan guard, deformation thereof can be prevented without fail. SOLUTION: In the outdoor apparatus of an air conditioner in which blow-off outlets 7a, 7b provided in a body 1 of the outdoor apparatus are covered with synthetic resin fan guards 2a, 2b, and bell mouths 6a, 6b are mounted along a peripheral edge of the blow-off outlet, a plurality of protruded levers 22 in contact with the body of the outdoor apparatus are provided on an internal surfaces of the fan guards.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit constituting an air conditioner, and more particularly to a structure for preventing deformation of a fan guard covering an outlet.

[0002]

2. Description of the Related Art An air conditioner generally used includes an indoor unit arranged in a room to be air-conditioned and an outdoor unit arranged outdoors. Refrigerant piping and electric wiring are connected between these indoor and outdoor units. Is done.

[0003] In particular, in an outdoor unit, the inside of the outdoor unit main body composed of a housing is partitioned by a partition plate, while the space room is called a heat exchange room, and an outdoor heat exchanger, a blower and the like are arranged. On the other hand, the space room is called a machine room, in which a compressor, refrigerant piping, an electric component box and the like are arranged.

[0004]

Incidentally, for example, in a medium-sized air conditioner for business use, an outdoor heat exchanger provided in the outdoor unit has a vertically long shape in which the height of the outdoor heat exchanger is close to the height of a person. Therefore, a single blower for sending outside air to the outdoor heat exchanger does not perform a sufficient heat exchange action, and requires two upper and lower blowers.

[0005] The fans constituting these blowers are arranged so as to face the outlets provided on the front surface of the outdoor unit main body. Therefore, fan guards are fitted into the respective outlets for danger prevention.

In addition, various types of fan guards have been manufactured for the purpose of improving the blowing efficiency of a blower fan. As a result, the fan guard is made of a synthetic resin in order to have a complicated shape structure and enable all forms. Therefore, the rigidity of the fan guard itself is weak.

Moreover, as described above, in the case of a medium-sized air conditioner, the blower used is relatively large, and the diameter of the fan motor is large. Naturally, the fan guard also becomes large, and may easily be deformed into a concave shape when subjected to an external force.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an outdoor air conditioner for an air conditioner which reliably prevents deformation even when an external force is applied to a synthetic resin fan guard. Is to offer a machine.

[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,
In an outdoor unit of an air conditioner, wherein an outlet provided in an outdoor unit main body is covered with a fan guard made of synthetic resin and a bell mouth is attached along a periphery of the outlet, the outdoor unit main body is provided on an inner surface of the fan guard. A plurality of protrusions that are in contact with.

[0010] As claimed in claim 2, projections provided on the inner surface of the fan guard in an outdoor unit of an air conditioner according to claim 1, wherein the contact in the vicinity of the mounting portion for attaching and fixing the bell mouth to the outdoor unit main body It is characterized by being performed.

[0011] Claim 3 is Claim 1 and Claim 2
In the outdoor unit of the air conditioner according to any one of the above, a concave portion is formed at a front end of the projection to cover a front end of the bellmouth mounting tool exposed on a surface of the outdoor unit main body.

According to the first aspect of the present invention, a plurality of protrusions formed inside the fan guard come into contact with the surface of the highly rigid outdoor unit main body, thereby adopting the fan guard. Even if an external force is applied to the outdoor unit, the protruding portion will protrude against the outdoor unit main body, and the deformation of the fan guard can be prevented.

According to the second aspect of the present invention, since the protrusion is brought into contact with the vicinity of the particularly rigid bell mouth mounting portion even in the outdoor unit main body, the deformation of the fan guard can be more reliably prevented.

According to the third aspect of the present invention, since the tip of the bell mouth fitting is covered with the concave portion provided at the tip of the projection, the tip of the fitting becomes invisible from between the guard bars forming the fan guard, thereby preventing danger and aesthetically pleasing. Can be kept intact.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described.
This will be described with reference to the drawings.

FIG. 1 shows an appearance of an outdoor unit constituting an air conditioner. The outdoor unit main body 1 formed of a housing has a vertically long rectangular box shape. A crosspiece 1a that crosses in a rectangular shape is used between the left side surface in the figure and a part of the back surface not shown so that the inside of the main body 1 can be seen through. All the surfaces except the left side and the rear surface are formed of a plate.

On one side of the front surface of the outdoor unit main body 1, fan guards 2a and 2b, which will be described later, are mounted vertically.
In the drawings, the upper fan guard 2a is shown removed.

The fan guards 2a and 2b cover the outlets 7a and 7b provided in the outdoor unit main body 1, and the blowers 10a and 10b are arranged in the outdoor unit main body 1 facing the respective outlets. You.

FIG. 2 is an exploded view of the outdoor unit. The outdoor unit main body 1, the fan guard 2a, a first front plate 1b which 2b is mounted, and a second front plate 1c provided alongside the first front plate, a right side and a back part It comprises a combination of a bent plate 1d, a plate such as a top plate 1e and a bottom plate 1f, and the crosspiece 1a.

The interior of the outdoor unit main body 1 is divided into two by a partition plate 3. The front side edge of the partition plate 3 coincides with the mating edge of the first front plate 1b and the second front plate 1c.
The rear part of the partition plate 3 is bent obliquely near the edge, and this edge is connected to the rear edge of the bent plate 1d and the crosspiece 1
a coincides with the mating edge with the end.

The upper edge of the partition plate 3 is in contact with the top plate 1e, and the lower edge of the partition plate is in contact with the bottom plate 1f.
The interior of the outdoor unit 1 is partitioned. One of the partition spaces in the outdoor unit main body 1 facing the installation site of the fan guard 1a is called a heat exchange room 4, and the other space not facing the machine room 5 is a machine room 5.
Call.

The heat exchange chamber 4 is partially communicated with the outside through a portion surrounded by the crosspiece 1a. In particular, the machine room 5 has a second front plate 1c, a bent plate 1d, and the like around its periphery. Surrounded by a plate.

The first front plate 1b has a circular outlet 7
a and 7b are opened side by side vertically, and circular bellmouths 6a and 6b surround the respective outlets. The outlets 7a and 7b are covered by the fan guards 2a and 2b.

In the heat exchange chamber 4, an outdoor heat exchanger 8 is disposed, and two blowers 10a and 10b supported by a blower support 9 are disposed. The outdoor heat exchanger 8 is mounted on the bottom plate 1f, and its height is substantially the same as that of the first front plate 1b, and is formed substantially in an L shape in plan view.

The lower end of the blower support 9 has a bottom plate 1f.
Fixedly attached to the upper, the upper end is hooked to the upper end surface of the outdoor heat exchanger 8, forming a vertically long shape. The blowers 10a and 10b are supported above and below the blower support 9 at predetermined intervals. Each fan 10a, 10b is composed of a fan motor 11a, a 11b, the fan propeller is fitted and fixed to the rotary shaft of the motor fan 12a, and 12b.

The blowers 10a and 10b face the outlets 7a and 7b, respectively, and a part of the fans 12a and 12b is inserted into the bell mouths 6a and 6b, and generates a transfer air in the bell mouth.

On the other hand, in the machine room 5, a compressor 13 and an accumulator 14 are arranged side by side. A four-way valve 15 is provided above the compressor 13, and the compressor 13 is connected to the accumulator 14 and the four-way valve 15 via a refrigerant pipe (not shown). Further, the compressor 13 and the outdoor heat exchanger 8
Are connected via a refrigerant pipe (not shown), and constitute a refrigeration cycle with the indoor heat exchanger of the indoor unit.

In the upper part of the machine room 5, an electric parts box 16 is provided.
Is attached. In the electric component box 16, electric components such as an inverter, a terminal portion, a control electric component, and a giant transistor are mounted.

Next, with reference to FIGS. 3 to 7, the configuration of the fan guards 2a and 2b, the mounting structure of the fan guards, and the mounting structure of the bell mouths 6a and 6b will be described in detail.

For convenience of explanation, only the mounting structure of the upper fan guard 2a and the bell mouth 6a will be described, and the mounting structure of the lower fan guard 2b and the bell mouth 6b will not be described. Needless to say, the configurations are exactly the same except for the relationship.

As shown in FIG. 3, a circular bell mouth 6a
A plurality of flanges 18 serving as attachment portions are integrally provided on the outer periphery of the first front plate 1b, and these flanges abut against the back surface of the first front plate 1b. A mounting screw 19 as a mounting tool is inserted into the flange portion 18 from the back surface side of the first front plate 1b, and the bell mouth 6
a is attached and fixed to the first front plate 1b.

As shown in FIG. 4, the tip of the mounting screw 19 protrudes from the surface of the first front plate 1b. That is, the tip of the mounting screw 19 protrudes from the surface of the outdoor unit main body 1.

Although not particularly shown, a plurality of claws are protruded from a part of the periphery of the bell mouth 6a, and the first front plate 1b is provided.
Is hooked on a hook provided on the back surface of the. Therefore,
After the bellmouth 6a engages the plurality of claws with the engaging portion,
Attachment and fixing to the flange portion 18 by the attachment screw 19 are performed.

As shown in FIGS. 5 and 6, the fan guard 2a has an outer frame a having a half-circle shape and the other half having a rectangular shape with the horizontal center axis as a boundary line. A plurality of circular bars b formed concentrically are provided in the outer frame a, and a plurality of radial bars c are interposed between the circular bars and radially.

The outer frame a, the circular bar b, and the radial bar c are entirely formed of a synthetic resin material, are provided with a gap that does not impair the ventilation of the heat exchange air, and ensure that fingers and objects can enter. To block.

A plurality of hooking claws 20 are integrally provided at predetermined intervals along the peripheral edge of the outer frame a constituting the fan guard 2a, and the first front plate shown in FIGS. 1b, it can be inserted into the hole 21 for hooking and can be hooked and fixed.

In the fan guard 2a, a protruding rod 22, which is a protruding portion, is integrally protruded from the rear surface of the fan guard 2a in the vicinity of both rectangular corners. These protruding rods 22 are columnar and provided over a part of the circular bar b and the radial bar c, and the protruding length is formed to be substantially the same as the rear side protruding dimension of the outer frame a. . Further, a concave portion 23 is provided from the tip of the protruding rod 22 to a predetermined depth.

The fan guard 2 constructed as described above
7A is attached to the surface of the first front plate 1b constituting the outdoor unit main body 1 and is fixed as shown in FIGS. 7A and 7B.

That is, as shown in FIG. 7A, with the fan guard 2a, the hooking claw 20 of the outer frame a is moved to the first position.
Of the front plate 1b. In this state, the tip of the protruding rod 22 faces the tip of the mounting screw 19 protruding from the surface of the outdoor unit main body 1.

While maintaining the height position of the fan guard 2a, the fan guard 2a is pressed against the surface of the outdoor unit main body 1. As shown in FIG. 7 (B), the hook 20 is inserted into the hook hole 21 and hooked. In this state, the outer frame a of the fan guard 2a
Is along the semicircular portion of the outlet 7a, but the remaining rectangular portion protrudes from the peripheral edge of the outlet and directly faces the plate surface of the first front plate 1b.

Further, the tip of the protruding rod 22 projecting to the back side of the fan guard 2a comes into contact with the surface of the outdoor unit main body 1, and from the setting of these positions, the mounting screws 19 projecting to the outdoor unit main body surface. The tip is inserted into a concave portion 23 provided at the tip of the protruding rod 22.

In this way, the outlet 7a opening to the outdoor unit main body 1 is covered with the synthetic resin fan guard 2a,
A bell mouth 6a is attached along the periphery of the outlet, and a plurality of protruding rods 22 are provided on the inner surface of the fan guard so as to be in contact with the surface of the outdoor unit main body.

Therefore, even if the fan guard 2a is pushed in and an external force is applied, the plurality of projecting rods 22 provided integrally with the fan guard 2a are stretched between the surfaces of the outdoor unit main body 1 having high rigidity, and the fan guard 2a becomes concave. Prevents deformation.

The protruding rod 22 of the fan guard 2a is
With the fan guard attached to the outdoor unit main body 1, the bell mouth 6 a is brought into contact with the vicinity of a flange portion 18 which is fixed to the outdoor unit main body 1. That is, the above-mentioned protruding rod 22 in a portion flange portion 18 provided integrally with the bell mouth 6a and the outdoor unit main body 1 overlap abuts.

As described above, since the protruding rod 22 is brought into contact with the vicinity of the bell-mouth mounting portion 18 having a particularly high rigidity, even if an external force is applied to the fan guard 2a, the deformation of the fan guard can be more reliably achieved. Can be prevented.

Further, a concave portion 23 is provided at the tip of the protruding rod 22 so as to cover the tip of a mounting screw 19 which is a mounting tool of the bell mouth 6a exposed on the surface of the outdoor unit main body 1.
Specifically, the tip of the mounting screw 19 is inserted into the concave portion 23 of the protruding rod 22 to be completely shielded.

The fan guard 2a is composed of a combination of an outer frame a, a circular bar b and a radial bar c, and there is a gap between the bars. As it is, the tip of the mounting screw 19 for mounting the bell mouth 6a protrudes from the gap between the crosspieces.
The mounting screw 19 is no longer visible, so that the aesthetic appearance is not impaired, and there is no danger of accidental contact.

In the above-described embodiment, the outdoor unit having the fan guards 2a and 2b on the upper and lower portions has been described. However, the present invention is not limited to this. It goes without saying that it also applies to things.

[0049]

In the present invention, as described in the foregoing, covering the air outlet provided in the outdoor unit main body by synthetic resin fan guard, outdoor air conditioner comprising attaching the bell mouth along said air outlet peripheral In the machine, since the inner surface of the fan guard is provided with a plurality of protrusions that contact the outdoor unit body,
Even if an external force is applied to the fan guard, the deformation of the fan guard is surely prevented.

[Brief description of the drawings]

FIG. 1 is an external view of an outdoor unit of an air conditioner, showing an embodiment of the present invention.

FIG. 2 is an exemplary exploded perspective view showing components constituting the outdoor unit according to the embodiment;

FIG. 3 is an exemplary perspective view showing a bellmouth mounting structure on the back surface of the outdoor unit main body according to the embodiment;

FIG. 4 is a perspective view showing a bellmouth mounting portion on the surface of the outdoor unit main body according to the embodiment; FIG.

FIG. 5 is a front view of the fan guard of the embodiment.

FIG. 6 is a perspective view of the back surface of the fan guard of the embodiment.

FIG. 7 is a view for explaining attachment of the fan guard and an attached state according to the embodiment;

[Explanation of symbols]

 7a, 7b: outlet, 1: outdoor unit body, 6a, 6b: bell mouth, 2a, 2b: fan guard, 22: projecting rod (projecting portion), 19: flange portion (attaching portion), 19: mounting screw (Bell mouth attachment), 23 ... recess.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuo Yamamoto 336 Tatehara Carrier, Fuji City, Shizuoka Prefecture Toshiba Carrier Co., Ltd. (72) Inventor Toshihiro Suzuki 336 Tatehara Carrier Company, Fuji City, Shizuoka Prefecture Toshiba Carrier Co., Ltd. Hideharu Umino Fuji City, Shizuoka Prefecture Tadewara 336 address Toshiba carrier within Co., Ltd. (72) inventor Hiromasa Yamane Fuji City, Shizuoka Prefecture Tadewara 336 address Toshiba carrier within Co., Ltd. (72) inventor Koichi Otani Fuji City, Shizuoka Prefecture Tadewara 336 address Toshiba carrier stock In-house F-term (reference) 3L054 BA04 BB03

Claims (3)

[Claims] 1. An outdoor unit of an air conditioner, wherein an outlet provided in an outdoor unit main body is covered with a fan guard made of synthetic resin, and a bell mouth is attached along a peripheral edge of the outlet, wherein an inner surface of the fan guard is provided. An outdoor unit for an air conditioner, wherein a plurality of protrusions are provided to contact the outdoor unit body. 2. The air conditioner outdoor according to claim 1, wherein the projection provided on the inner surface of the fan guard abuts near a mounting portion for mounting and fixing the bell mouth to the outdoor unit main body. Machine. 3. The projection according to claim 1, wherein a recess is formed at a tip of the projection to cover a tip of a bellmouth mounting tool exposed on a surface of the outdoor unit main body. Air conditioner outdoor unit.