Air conditioner for vehicle

An air conditioner for a vehicle comprising:

• an air conditioning case formed partitionally of a plurality of pieces to be assembled, and having a coupling hole formed at one side surface thereof and at least one protrusion formed spaced apart from the edge periphery of the coupling hole by a predetermined distance;
• an assembling part insertedly assembled with the coupling hole and having an insertion hole formed in the center thereof for inserting a wire connected to a thermistor thereto, wherein the assembling part includes an outside coupler having at least one fastening slot circumferentially formed thereon in such a manner as to be rotated at a state of fittingly inserting the at least one protrusion into the at least fastening slot, a handle grip coupled to the rear side of the outside coupler, and an inside coupler coupled integrally to the front side of the outside coupler in such a manner as to be inserted into the coupling hole and having a locking portion formed along the front end periphery thereof for preventing the assembling part from being escaped from the coupling hole during the rotation at the state of being inserted into the coupling hole;
• and
• a support part coupled to the assembling part in such a manner as to be placed near an evaporator for supporting the wire 81 connected to the thermistor.