Heat pump unit evaporator

The utility model relates to the technical field of heat pump unit evaporators, and discloses a heat pump unit evaporator which comprises an evaporator body, a sliding block is fixedly installed on the outer surface of the evaporator body, an inlet pipe is fixedly inserted into the inner surface of the left side of the evaporator body, and an outlet pipe is fixedly inserted into the inner surface of the right side of the evaporator body. And a circulating pipe is fixedly mounted in the evaporator main body. According to the heat pump unit evaporator, when many impurities exist on a filter screen, the filter screen needs to be cleaned, bolts on the two sides are twisted, filter frames on the two sides are oppositely pulled, the filter frames are far away from the position over the evaporator body, the outer surface of the filter screen can be scraped, the effect of cleaning the impurities on the outer surface of the filter screen is achieved, an air filtering structure is arranged, most impurities can be filte