KR101445879B1 - Indoor unit for air conditioner - Google Patents

Abstract

The present invention relates to an indoor unit of a ceiling-type air conditioner. According to the present invention, even when the indoor unit is installed away from the ceiling, the side surface of the indoor unit is not exposed to the outside.

Upper cover, Lower cover

Description

{Indoor unit for air conditioner}

The present invention relates to an indoor unit of an air conditioner mounted on a ceiling.

Background Art [0002] Generally, an air conditioner is an appliance that performs indoor cooling or heating by allowing heat exchange between air and refrigerant sucked through a refrigerant cycle.

In detail, the air conditioner is divided into an indoor unit and an outdoor unit, and the indoor unit is classified into a window type, a standing type, a wall type, and a ceiling type according to a method of installing the indoor unit. As shown in FIG.

Among them, in the case of a ceiling-mounted (or installed) type, the indoor unit is directly attached to the ceiling, and the front panel portion having the air inlet and the outlet is installed to be exposed to the indoor space, and the remaining body portion is embedded in the ceiling There is a type. In addition, there is a type which is installed in an indoor space such as a large building or an office, and is installed in such a state that the entire indoor unit is exposed to the outside and suspended from the ceiling by support legs mounted on the outer peripheral surface of the main body.

In detail, the indoor unit of the type in which the supporting leg is suspended from the ceiling is exposed to the outside of the indoor unit.

It is an object of the present invention to provide an indoor unit cover device which prevents an external appearance of an indoor unit suspended from a ceiling from being exposed to the outside.

Another object of the present invention is to provide an indoor unit cover device which can be assembled at different positions according to the size of the indoor unit, thereby covering the main body portion except for the front panel portion formed with the suction port and the discharge port.

According to an aspect of the present invention, there is provided an indoor unit of an air conditioner including a cabinet for accommodating a heat exchanger and a fan assembly; A front panel covering the lower opening of the cabinet and having an indoor air inlet and an outlet; A support leg connected to a side surface of the cabinet and having an end attached to a ceiling; A lower cover connected to an edge of the front panel and extending upward to cover the cabinet; And an upper cover connected to the upper end of the lower cover in a vertically adjustable position.

According to the cover device for an indoor unit of an air conditioner according to an embodiment of the present invention, even when the indoor unit is installed away from the ceiling, the side surface of the indoor unit is not exposed to the outside.

Further, even in the case of an indoor unit having different thicknesses in the vertical direction of the indoor unit case, it is possible to cover the appearance of the indoor unit by adjusting the joining points of the cover.

In addition, since a part of the cover is detachable, the interior of the indoor unit can be easily serviced.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a ceiling-mounted air conditioner indoor unit according to an embodiment of the present invention, and FIG. 2 is a bottom perspective view of the indoor unit.

1 and 2, an indoor unit 10 of a ceiling-type air conditioner according to an embodiment of the present invention includes a cabinet 12 that houses a fan assembly (not shown) and a heat exchanger (not shown) A base panel 11 covering a top opening surface of the cabinet 12 and having a motor mounted on the bottom surface of the fan assembly and a cover member covering the lower opening surface of the cabinet 12, A suction grill 15 provided on the inside of the front panel 14 to form a suction port and a suction grill 15 coupled to a rim of the front panel 14 to form the cabinet 12 And a cover assembly 20 for shielding the outside of the cover 20 from being exposed to the outside.

In detail, a plurality of supporting legs 13 are coupled to the edge of the cabinet 12, and the ends of the supporting legs 13 are fixed to the ceiling. The discharge port 141 is selectively shielded by the discharge vane 142, and the air discharge direction is guided by the discharge vane 142. A filter assembly is seated on the suction grill (15) to clean the air to be sucked.

The cover assembly 20 includes a lower cover 22 having a lower end fixed to an edge of the front panel 14 and a lower cover 22 fixed to the upper inner circumferential surface of the lower cover 22, ).

In detail, a hole having a size similar to that of the front panel 14 is formed at the lower end of the lower cover 22, and the edge of the hole is engaged with the edge of the front panel 14. The vertical height of the cover assembly 20 can be adjusted according to the position where the upper cover 21 is coupled to the lower cover 22. [ This will be described in more detail below with reference to the drawings.

FIG. 3 is a perspective view of an upper cover constituting a cover assembly according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view illustrating an assembling process of the upper cover.

3 and 4, the upper cover 21 according to the embodiment of the present invention has a rectangular band shape due to the combination of the straight portion 211 and the corner portion 212. As shown in FIG.

In detail, a plurality of hooks 212a extend at both ends of the corner portion 212 constituting the upper cover 21, respectively. A receiver 211a into which the hook 212a is inserted is formed at both ends of the rectilinear part 211 which is engaged with the corner part 212. [

According to the above configuration, the linear portion 211 is positioned at both ends of the corner portion 212, and the linear portion 211 is advanced in the direction of the arrow so that the hook 212a is positioned at the receiver 211a. Here, the hook 212a is inserted into the receiver 211a, and the rectilinear portion 211 is advanced until a click is heard.

A height adjustment hole 213 is formed in the straight portion 211.

In detail, a plurality of the height adjusting holes 213 are formed in the vertical direction of the upper cover 21 so as to adjust the engagement position of the lower cover 22. In the present embodiment, the height adjustment holes 213 are arranged vertically in pairs on both ends of the rectilinear section 211, but the present invention is not limited thereto.

FIG. 5 is a perspective view of a lower cover constituting a cover assembly according to an embodiment of the present invention, and FIG. 6 is an exploded perspective view illustrating a process of assembling the lower cover.

5 and 6, the lower cover 22 according to the embodiment of the present invention is surrounded by the outer peripheral surface of the lower end of the upper cover 21.

In detail, one side edge portion of the lower cover 22 is disconnected as shown, and a detachable cover member may be mounted on the corner portion.

More specifically, the lower cover 22 also has a rectangular band shape due to the engagement of the straight portion 221 and the corner portion 222, like the upper cover 21. [

One or more main hooks 222a extend at one end of the corner portion 222 and one or more sub-hooks 222d extend at the other end. A first latching protrusion 222b protrudes from the end of the main hook 222a and a second latching protrusion 222c protrudes from the first latching protrusion 222b. A first locking protrusion 222e protrudes from the end of the sub hook 222d and a second locking protrusion 222f protrudes from a position apart from the first locking protrusion 222e.

A receiver 221a is formed at one end of the linear portion 221 by the number of the main hooks 222a to which the main hook 222a is inserted. The receiver 221a is formed with a latching hole 221b through which the second latching protrusion 222c is inserted. The first hooking protrusion 222b of the main hook 222a is inserted into the receiver 221a and then caught by the end of the receiver 221a while the second hooking protrusion 222c is inserted into the hooking hole 222a, (221b).

The other end of the linear portion 221 is extended with a number corresponding to the number of the sub hooks 222d at which the sub hook 222d is hooked. At least one of the latching ends 221c is formed with a latching hole 221d for inserting the second latching protrusion 222f of the sub-hook 222d. The first locking protrusion 222e of the sub hook 222d is engaged with the end of the locking end 221c while the second locking protrusion 222f is inserted into the locking hole 221d.

The main hook 222a and the sub hook 222d are engaged with the receiver 221a and the engagement end 221c by the engagement structure as described above.

The main hook 222a extends in the same direction as the extending direction of the corner portion 222 while the sub hook 222d extends in a direction perpendicular to the extending direction of the corner portion 222. [ Therefore, when the corner portion 222 is pushed in the extending direction of the main hook 222a among the straight line portions 221 coupled to both ends, the sub hook 222d is naturally hooked to the engaging end 221c. A height adjustment boss 223 extends horizontally on the inner surface of the upper end of the straight portion 221. The function of the height adjusting boss 223 will be described in detail below with reference to the drawings.

7 is a perspective view showing a structure of a detachable cover constituting a part of a lower cover according to an embodiment of the present invention.

Referring to FIG. 7, one of the four corner portions 222 functions as a detachable cover 224.

In detail, the detachable cover 224 has the same configuration as that of the corner portion 222, but only in the shape of the main hook 224a and the sub hook 224b. More specifically, the main hook 224a of the detachable cover 224 has a shape in which the first locking protrusion 222b of the main hook 222a of the corner portion 222 is removed. The sub hook 224b of the detachable cover 224 has a shape in which the first locking protrusion 222e of the sub hook 222d of the corner portion 222 is removed. Therefore, the detachable cover 224 is engaged with the adjacent linear portion 221 in a single manner. That is, only the second latching ends 224c and 224d are inserted into the latching holes 221b and 221d. As a result, detachment and attachment of the detachable cover 224 can be facilitated. However, once the edge portion 222 is coupled to the straight line portion 221, it is difficult to separate the corner portion 222 due to the shape of the first locking protrusions 222b and 222e. That is, when the force is applied to the corner portion 222 to attempt separation, the first locking protrusions 222b and 222e may be damaged. This is to prevent the corner portion 222 and the straight portion 221 except for the detachable cover 224 from being separated when they are once coupled.

Here, the detachable cover 224 is molded in the same shape as the corner portion 222 in the component injection process. However, in the course of assembling the product, the assembler cuts the first latching protrusions 222b and 222e using a cutting mechanism. For this, a cutting line may be formed on the rear side of the first locking protrusions 222b and 222e.

8 is an exploded perspective view illustrating a process of assembling a cover assembly and a front panel according to an embodiment of the present invention.

Referring to FIG. 8, the upper cover 21 and the lower cover 22 are assembled so as to be united with each other, and then they are seated on the upper side of the front panel 14. The edge of the front panel 14 and the inner edge of the lower end of the lower cover 22 are engaged with each other using a fastening member such as a screw. The process of joining the upper cover 21 and the lower cover 22 will be described below with reference to the drawings.

9 is an exploded perspective view showing a state in which the detachable cover according to the embodiment of the present invention is coupled to the cover assembly.

Referring to FIG. 9, the detachable cover 224 is coupled to the lower cover 22 after the cover assembly 20 and the front panel 14 are coupled.

In detail, when the service man checks the state of the indoor unit 10 or tries to repair the fault, the detachable cover 224 is detached to open one side edge of the cover assembly 20.

As described above, only the rib-shaped second latching ends 224c and 224d act as fastening means on the main hook 224a and the sub-hook 224b of the detachable cover 224, 224 can be easily separated and combined.

FIG. 10 is an exploded perspective view showing an assembled state of an upper cover and a lower cover according to an embodiment of the present invention, and FIG. 11 is a side view showing a state where an indoor unit with a cover assembly according to an embodiment of the present invention is mounted on a ceiling .

10 and 11, a height adjusting boss 223 formed on a straight portion 221 of the lower cover 21 is formed in a height adjusting hole 213 formed in a straight portion 211 of the upper cover 21, As shown in FIG. Then, a fastening member such as a screw is inserted into the height adjusting boss 223 through the height adjusting hole 213.

Since the plurality of height adjustment holes 213 are arranged in the vertical direction, depending on the vertical length of the cabinet 12 or the distance from the ceiling to the indoor unit 10, So that it can be controlled properly.

For example, when the supporting leg 13 is short and the upper surface of the indoor unit 10 is positioned close to the ceiling 50, the height adjusting boss 223 is in close contact with the upper height adjusting hole 213, . Conversely, when the vertical width of the cabinet 12 is large or the length of the support legs 13 is long, the height adjustment bosses 223 can be made to be in contact with the height adjustment holes 213 on the lower side.

1 is a plan perspective view of a ceiling-mounted air conditioner indoor unit according to an embodiment of the present invention;

2 is a bottom perspective view of the indoor unit.

3 is a perspective view of an upper cover constituting a cover assembly according to an embodiment of the present invention;

4 is an exploded perspective view showing an assembling process of the upper cover.

5 is a perspective view of a lower cover constituting a cover assembly according to an embodiment of the present invention;

6 is an exploded perspective view showing a process of assembling the lower cover.

7 is a perspective view showing a structure of a detachable cover constituting a part of a lower cover according to an embodiment of the present invention;

8 is an exploded perspective view illustrating a process of assembling a cover assembly and a front panel according to an embodiment of the present invention.

9 is an exploded perspective view showing a state in which the detachable cover according to the embodiment of the present invention is coupled to the cover assembly.

FIG. 10 is an exploded perspective view showing an assembled state of the upper cover and the lower cover according to the embodiment of the present invention. FIG.

11 is a side view showing a state in which an indoor unit with a cover assembly according to an embodiment of the present invention is mounted on a ceiling.

Claims (9)

A cabinet for receiving the heat exchanger and the fan assembly; A front panel covering the lower opening of the cabinet and having an indoor air inlet and an outlet; A support leg connected to a side surface of the cabinet and having an end attached to a ceiling; A lower cover connected to an edge of the front panel and extending upward to cover the cabinet; And And an upper cover connected to the upper end of the lower cover in a vertically adjustable position. The method according to claim 1, The upper cover is provided with a plurality of height adjustment holes in the vertical direction, Wherein a plurality of height adjustment bosses are formed on an inner surface of the lower cover to be coupled to any one of the height adjustment holes by a fastening member. The method according to claim 1, Wherein the lower cover and the upper cover are formed by combining a plurality of linear portions and corner portions. The method of claim 3, One or more hooks protrude from both ends of the edge of the upper cover, Wherein a receiver is formed at both ends of the straight portion of the upper cover to receive the hook. The method of claim 3, One or more hooks protrude from both ends of the corner portion of the lower cover, A receiver for receiving a hook is formed at one end of a straight portion of the lower cover, And the other end of the straight portion of the lower cover is formed with a hooking end to which the hook is hooked. 6. The method of claim 5, At least two latching projections project from the hook, One of the latching protrusions is inserted into the receiver and hooked, or caught by the end of the latching end, And the other one of the locking protrusions is inserted into the locking hole formed in the receiver or the locking end. 6. The method of claim 5, The hook protruding from one end of the corner portion of the lower cover extends in the same direction as the extending direction of the corner portion, And the hook protruding from the other end of the corner portion extends in a direction crossing the extending direction of the corner portion. 6. The method of claim 5, Wherein one of the plurality of corner portions constituting the lower cover is a detachable cover detachably coupled to the straight portion. 9. The method of claim 8, A plurality of hooks protrude from both ends of the detachable cover, Wherein each of the hooks is formed with a latching protrusion that is inserted into the latching hole formed in the receiving end and the receiver.

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