Blower unit for air conditioner

1. A blower unit for an air conditioner, comprising:

a case accommodating a blower wheel and a blower motor driving the blower wheel;

a cover coupled to one side of a lower portion of the case to form a cooling path so that some of cooling air blown by the blower wheel is input to the cooling path and flows in the cooling path toward a lower portion of the blower motor; and

a coupling unit detachably coupling the cover and the case by sliding the cover in one direction with respect to the case;

wherein the coupling unit comprises a guide rib arranged at one end portion of the cover and a guide groove formed to correspond to the guide rib at a portion adjacent to a cooling air inlet into which the cooling air is input to the lower portion of the blower motor from the cooling path, and the guide rib is slidingly coupled to the guide groove.

2. The blower unit as claimed in claim 1 , further comprising a cooling air guide path through which some of the cooling air blown by the blower wheel is guided to the cooling path, wherein the cooling air guide path is formed at one side in the case.

3. The blower unit as claimed in claim 1 , further comprising a fixing unit preventing the cover from moving up and down with respect to the case when the cover is slidingly coupled to the case.

4. The blower unit as claimed in claim 3 , wherein the fixing unit comprises at least one hook arranged at a side portion of the cover and at least one insertion groove formed at an outer circumferential surface of the lower portion of the case to correspond to the hook, and the hook is fixed by being inserted in the insertion groove.

5. The blower unit as claimed in claim 3 , wherein the fixing unit comprises at least one hook arranged at an outer circumferential surface of the lower portion of the case and at least one insertion groove formed at a side portion of the cover to correspond to the hook, and the hook is fixed by being inserted in the insertion groove.

6. A blower unit for an air conditioner, comprising:

a case accommodating a blower wheel and a blower motor driving the blower wheel;

a cover coupled to one side of a lower portion of the case to form a cooling path so that some of cooling air blown by the blower wheel is input to the cooling path and flows in the cooling path toward a lower portion of the blower motor; and

a coupling unit detachably coupling the cover and the case by sliding the cover in one direction with respect to the case;

wherein the coupling unit comprises a guide rib arranged at a portion adjacent to an cooling air inlet through which the cooling air is input to the lower portion of the blower motor from the cooling path and a guide groove formed to correspond to the guide rib at one end portion of the cover, and the guide rib is slidingly coupled to the guide groove.

7. The blower unit as claimed in claim 6 , further comprising a fixing unit preventing the cover from moving up and down with respect to the case when the cover is slidingly coupled to the case.

8. The blower unit as claimed in claim 7 , wherein the fixing unit comprises at least one hook arranged at a side portion of the cover and at least one insertion groove formed at an outer circumferential surface of the lower portion of the case to correspond to the hook, and the hook is fixed by being inserted in the insertion groove.

9. The blower unit as claimed in claim 7 , wherein the fixing unit comprises at least one hook arranged at an outer circumferential surface of the lower portion of the case and at least one insertion groove formed at a side portion of the cover to correspond to the hook, and the hook is fixed by being inserted in the insertion groove.