Fuel oil replacement anti-pollution device for evaporation test

The invention relates to a fuel oil replacement anti-pollution device for an evaporation test, and relates to the technical field of fuel oil vehicle quality testing, and the fuel oil replacement anti-pollution device comprises a fuel oil connector which comprises an oil rail joint used for being connected with an oil rail, an oil pipe joint used for being connected with an oil pipe, and a self-locking quick-connection male joint communicating the oil rail joint with the oil pipe joint; the oil-gas collector comprises an oil-gas collecting cavity, a self-locking quick-connection female head is connected in the oil-gas collecting cavity, and an inserting opening for inserting the self-locking quick-connection male head is formed in one end of the oil-gas collecting cavity; a gas outlet is formed in the oil gas collecting cavity, the vacuum generator is communicated with the gas outlet through a gas path, and the vacuum generator adsorbs oil gas residues in the oil gas collecting cavity through the gas path. Wh