Fresh air door sealing structure of air inlet box unit of automobile air conditioning box

The utility model relates to a sealing structure for a fresh air door of an air inlet box unit of an automobile air conditioning box, which belongs to the field of structural design of an automobile air conditioning unit assembly and comprises sealing soft rubber arranged along the fresh air door, the sealing soft rubber is in contact with a sealing rib to realize sealing, and the sealing area of the far end of the sealing soft rubber is larger than that of the near end of the sealing soft rubber. When the fresh air door is in an internal circulation or external circulation limit mode, the sealing soft rubber and the sealing ribs can still be in full contact. Not only is the cost not increased, but also the problem of whole vehicle noise caused by untight closing, air leakage and howling at the far end can be effectively solved, and the safety and comfort of an automobile air conditioner are improved. 本实用新型涉及一种汽车空调箱进风箱单元新风风门密封结构，汽车空调单元总成结构设计领域，包括沿新风风门设置的密封软胶，密封软胶与密封筋接触实现密封，所述密封软胶的远端的密封面积大于近端的密封面积，当新风风门处于内循环或者