| 摘要 |
PURPOSE: A refrigerant pipe connection structure is provided to allow assembly work to be easily performed, and achieve an improved performance and quality of air conditioning system by preventing refrigerant leakage. CONSTITUTION: In an air conditioning system including a compressor, a condenser, a receiver dryer, an expansion valve, a blower unit and an evaporator, a connection block(21) and a refrigerant pipe(20) are interconnected with each other so as to serve as a unit for supplying refrigerant. The refrigerant pipe has an end(22) where a connection part(23) having an expanded diameter is arranged so as to connect the refrigerant pipe to other refrigerant pipe. The connection block to be coupled with the refrigerant pipe has a coupling hole(24) for insertion of the refrigerant pipe. The coupling hole has grooves formed at both side surfaces of the coupling hole so as to fix the inserted refrigerant pipe.
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