KR100749061B1 - Air conditioner - Google Patents

Abstract

An air conditioner is provided to fix a mount bracket of a fan motor to a coupling portion between upper and lower parts of a rear case and a bottom surface of a main body for reducing transmission of vibration and noise of a fan motor. An air conditioner includes a main body having a rear case formed of upper and lower parts(13,14), and a fan motor(32) mounted to the rear case by a mount bracket(40). The mount bracket is extended upward for the main body, and has an end(43) fixed to a coupling portion between the upper and lower parts of the rear case and the other end(44) fixed to a bottom surface(19) of the main body.

Description

Air Conditioner {AIR CONDITIONER}

1 is a perspective view showing the separation of the air conditioner according to a preferred embodiment of the present invention.

Figure 2 is a perspective view showing a separate portion of the interior of the air conditioner according to a preferred embodiment of the present invention.

* Description of symbols on the main parts of the drawings *

10. Main body 11. Front case

12.Rear case 13.Rear top case

14.Rear lower case 15.Intake

16.Discharge outlet 18.Filter cover

20. Indoor heat exchanger 30. Blower fan

32. Fan motor 40. Mount bracket

41.Motor mounting part 42.Extension support part

43,44 ..

The present invention relates to an air conditioner, and more particularly, to a stand type air conditioner.

In general, an air conditioner is a device for conditioning air by using a refrigeration cycle, and a conventional air conditioner is a heat exchanger that heats and cools air passing through an interior of a main body forming an exterior, and a forced air that allows indoor air to pass through an interior of a main body Including a blowing fan for suctioning and discharging, it is possible to cool the indoor space by allowing the indoor air to pass through the inside of the main body by the blowing fan and to be cooled by a heat exchanger.

As an example of such an air conditioner, Korean Patent Application Publication No. 10-2002-1898 discloses a blower motor installation structure of an indoor unit of an air conditioner. According to this conventional invention, the blowing fan is usually fixed to the rear side wall of the main body through a fixing bracket made of metal, in which the vibration and noise caused by the operation of the fan motor driving the blowing fan to the main body so that both are fixed to the fixed bracket The method of reducing the transmission of vibration and noise by installing an emboss or minimizing the contact area between the two sides has been adopted.

However, in the conventional invention as described above, although vibration and noise due to rotation of the fan motor are reduced to some extent through emboss or dustproof rubber, since the fixing bracket for fixing the fan motor is fixed to the side wall of the main body, the fan motor is basically There is vibration and noise transmitted from the body to the side wall of the body. In addition, since the fan motor is gradually sag in the direction of gravity when used for a long time, there was a problem that the vibration and noise caused by the eccentric rotation of the fan motor is additionally generated.

In addition, recently, a part of the main body is made of a synthetic resin material in order to reduce the manufacturing cost. In this case, the blower fan provided on the side wall of the synthetic resin main body is installed by a metal fixing bracket, but the coupling structure of the fixed bracket and the main body is There was a problem that it was vulnerable to external shock.

The present invention is to solve the above-mentioned problems of the prior art, an object of the present invention to provide an air conditioner that can effectively reduce the transmission of vibration and noise of the fan motor driving the blowing fan to the main body. .

In addition, another object of the present invention is to provide an air conditioner that can secure the mounting structure of the blowing fan.

An air conditioner according to the present invention for achieving the above object is a stand-type air conditioner in which a fan motor is installed in the rear case of the main body, the rear case is provided separately from the upper and lower, the fan motor is mounted to the main body by a mounting bracket It is installed in the rear case of the mount bracket is installed extending in the vertical direction of the main body, one end is fixed to the coupling portion of the rear upper case and the lower case and the other end is fixed to the bottom surface of the body.

In addition, the coupling portion of the air conditioner according to the present invention consists of a flange provided to each of the rear upper case and the lower case to contact.

In addition, a coupling groove is provided in each of the flanges of the rear upper case and the lower case of the air conditioner according to the present invention, and one side of the mount bracket is provided with a coupling groove fastened by the coupling groove and one bolt.

In addition, the mount bracket of the air conditioner according to the present invention is composed of a motor mounting portion, the extension support portion extending from the motor mounting portion, the fastening portion provided on both ends of the extension support portion, the fan motor is installed, A plurality of through holes is provided.

In addition, the motor mounting portion of the air conditioner according to the present invention is provided with a mount hole for reducing the vibration of the fan motor, a mount block protruding from the rear case corresponding to the mount hole.

Hereinafter, an air conditioner according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are exploded perspective views showing an air conditioner according to the present invention. Referring to the drawings, the air conditioner according to the present invention is formed in the upper and lower long housing shape to form an outer body, and the heat exchanger and the heat exchanged with the air that is disposed in the main body 10 to pass through the air to cool or heated The indoor heat exchanger 20 and a blowing fan 30 for sucking the indoor air into the main body 10 and then discharging the indoor air back to the indoor space.

The main body 10 is formed of a synthetic resin injection molding, and consists of a rear case 12 having a front face open and a front case 11 closing an open front face of the rear case 12. In particular, the rear case 12 is divided into an upper case 13 and a lower case 14 so as to facilitate molding, and is separated between the indoor heat exchanger 20 and the blower fan 30 and flanges at both ends. (13a, 14a) are prepared and brought into contact with each other and fastened with bolts (B).

Inlet 15 is formed at the lower side of the main body 10 to inhale the indoor air, and an outlet 16 for discharging the air heat-exchanged with the indoor heat exchanger 20 at the upper side of the main body 10. Is formed.

In the air conditioner according to the present invention, the inlet 15 through which air is sucked to improve the appearance quality is provided in the rear case 12 of the main body 10, and the discharge port 16 through which the harmonized air is discharged is the main front case ( 11) is provided on the upper front (not shown) and the side, respectively. On the outside of the inlet 15, for example, the rear case 12, a filter 15 for filtering out foreign substances contained in the air flowing into the inlet 15 is installed using the filter cover 16.

On the other hand, the indoor heat exchanger 20 is installed at an angle so as to have a predetermined inclination in the upper space of the main body 10, the air passing through the main body 10 passes through a large surface area, and the heat exchange fan 30 ) Is installed inside the fan case 31 provided in the lower space of the main body 10 to guide the air sucked from the suction port 15 toward the upper side of the indoor heat exchanger 20. Here, the blowing fan 30 of the present embodiment generates suction and blowing power while being rotated by the fan motor 32 that generates a rotational force by receiving power, and sucks air in the axial direction and then radially outwards the air. To discharge.

FIG. 2 illustrates the interior of the air conditioner according to the present invention in more detail, and illustrates a main body installation structure of the fan motor 32 driving the blower fan 30. As shown in the drawing, the fan motor 32 is fixed to the main body 10 by a metal mounting bracket 40 separately provided in the rear case 12.

Mount bracket 40 is provided in the vertical direction of the main body 10, one end is fixed to the engaging portion of the rear upper case 13 and the lower case 14, the other end bottom surface 19 of the main body 10 It is fixed to). Here, the coupling portion refers to the flanges (13a, 14a) provided in the rear upper case 13 and the lower case 14, respectively, and contacting, and the flanges (13a, 14a) are provided with coupling grooves (13b, 14b), respectively, mount bracket One side of the 40 is provided with a fastening groove (43a) is easily fastened by one bolt (B).

Therefore, since the fan motor 32 is supported side by side in the direction of the rotation axis, and the other side is supported in the gravity direction, the fan motor 32 does not sag even if used for a long time. In addition, since the upper case 13 and the lower case 14 constituting the rear case 12 of the synthetic resin material are supported by the metal mount bracket 40, the rigidity is increased. On the other hand, the mount bracket 40 is the size of the fan motor 32 and the suction port 15 rather than being formed in the entire left and right width of the rear case 12 in consideration of the suction port 15 provided in the rear lower case 14. It is preferable to have a suitable width in the range which does not cover.

The mounting bracket 40 is a motor mounting portion 41 to which the fan motor 32 is fixed, an extension support portion 42 extending from both sides of the motor mounting portion 41, and fastenings provided at both ends of the extension support portion 42, respectively. It consists of parts 43 and 44. In order to minimize contact with the main body 10 that transmits vibration and noise, the mounting bracket 40 is bent so as to be spaced apart from the main body 10 except for fastening portions 43 and 44 connected to the main body 10. For example, the extension support 42 and the motor mounting portion 41 protrude further forward than the fastening portion 43 with respect to the rear case 12. The fastening portion 44 may be both the front and rear of the extension support 42 and the motor mounting portion 41, but the front side where the fan motor 32 is located is preferable, and the bottom surface 19 of the rear case 12 and It is fastened by the bolt (B).

In addition, a plurality of through holes 45 are provided in the extension support part 42 of the mount bracket 40. The through hole 45 serves to absorb the vibration and noise of the fan motor 32 transmitted to the main body 10 through the mount bracket 40, and at the same time reduce the manufacturing cost. The through hole 41a of the motor mounting portion 41 also serves the same function.

In addition, a mount hole 46 is provided in the motor mounting portion 41 adjacent to the fan motor 32, and a mount block 14c protrudes from the rear lower case 14 corresponding to the mount hole 46 to provide dustproof rubber. It is fastened by a bolt (not shown) via (not shown). This is to fundamentally block the vibration and noise generated in the fan motor 32 from being diffused and amplified by the mount bracket 40.

Then, the operation of installing the fan motor 32 in the main body 10 of the air conditioner including the above configuration will be described.

In order to install the fan motor 32 in the rear case 12 of the main body, first, the rear upper case 13 and the rear lower case 14 are assembled. In this case, only the other grooves except the coupling grooves 13b and 14b are bolted first. Tighten. Then, the fan motor 32 is screwed into the motor mounting portion 41 of the mount bracket 40 via the anti-vibration rubber.

Subsequently, the fastening groove 43a of the one end fastening portion 43 of the mount bracket 40 on which the fan motor 32 is mounted is provided on each of the flanges 13a and 14a of the rear upper case 13 and the lower case 14. After fastening with one bolt (B) in accordance with the coupling groove (13b, 14b), the other end fastening portion 44 is screwed to the bottom surface 19 of the rear lower case (14).

As described above in detail, the air conditioner according to the present invention, because one end of the mounting bracket for fixing the fan motor to the main body is fixed to the engaging portion of the rear upper and lower cases and the other end to the bottom surface of the main body vibration and Noise can be transmitted to the main body can be efficiently reduced, and furthermore, since the main body made of synthetic resin is supported by a metal mount bracket, the overall rigidity against external impact can be increased.

Claims (5)

In the stand type air conditioner in which the fan motor is installed in the rear case of the main body, The rear case is provided separately from the top and bottom, The fan motor is installed in the rear case of the main body by a mounting bracket, The mount bracket is installed extending in the vertical direction of the main body, one end is fixed to the coupling portion of the rear upper case and the lower case, the other end is air conditioner, characterized in that fixed to the bottom surface of the main body. The method of claim 1, The coupling unit is an air conditioner, characterized in that the flange is provided on the rear upper case and the lower case, respectively. The method of claim 2, Coupling grooves are provided in the flanges of the rear upper case and the lower case, respectively. One side of the mount bracket is an air conditioner, characterized in that the coupling groove is provided with the coupling groove and one bolt. The method according to any one of claims 1 to 3, The mount bracket is composed of a motor mounting portion to which the fan motor is installed, an extension support portion extending from the motor mounting portion, and fastening portions provided at both ends of the extension support portion, An air conditioner, characterized in that the extended support is provided with a plurality of through holes. The method of claim 4, wherein The motor mounting portion is provided with a mount hole for reducing the vibration of the fan motor, the rear case corresponding to the mount hole is characterized in that the air conditioner is provided with a mount block protruding.

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