Patent ID: 8186719

Claim:
A pipe connecting structure of a heat exchanger, the pipe connecting structure comprising: a heat exchanger body including a connector-mounting plate and a tubular connecting port extending outwardly from a surface of the connector-mounting plate; a pipe connector configured to be attached to the connecting port; wherein the connecting port extends toward the pipe connector, wherein the pipe connector includes: a plate-shaped or block-shaped base; an insert portion integrally projecting from one side of the base which faces toward the connector-mounting plate and configured to fit in and connect to the connecting port; and a leg portion integrally projecting from the one side of the base and contacting the surface of the connector-mounting plate, wherein an inner circumferential surface of the connecting port is fixed with an outer circumferential surface of the insert portion, and wherein a projection height of the leg portion from the one side of the base is greater than an extension height of the connecting port from the surface of the connector-mounting plate.