Car freon breather

The utility model provides a car freon breather belongs to automobile overhaul instrument technical field. It has solved the problem that current car freon breather is difficult to be applicable to two kinds of gas pitchers. This car freon breather, including coupling and breather pipe, the coupling is linked together with the breather pipe, and the lower extreme of coupling has the connection port who is used for connecting the gas pitcher, and it has the ejector pin to peg graft to sliding along pipe joint shaft in the coupling, is equipped with the operating mechanism that can push away the ejector pin to the lower extreme top of coupling between on coupling and the ejector pin, when the ejector pin moves down the lower extreme of ejector pin can make gas pitcher and coupling switch on mutually. This car freon breather can be applicable to not, and the freon of isostructure stores up gas storage tank for auto air -conditioner change freon is convenient more, the cost is lower. 本实用新型提供了种汽车氟利昂换气装置，属于汽车检修工具技术