Earphone shell structure and open earphone

The utility model provides an earphone shell structure and an open type earphone, and belongs to the technical field of open type earphones. The earphone shell structure comprises an earphone shell main body part and a ventilation cooling assembly. The earphone shell main body part comprises a wearable conduit, device mounting shells and earphone bodies, the top ends of the two device mounting shells are connected to the two ends of the wearable conduit respectively, the earphone bodies are mounted at the bottom ends of the device mounting shells respectively, and a plurality of air outlet holes distributed at equal intervals are formed in the inner side of the wearable conduit; air inlets are formed in the opposite sides of the two device mounting shells, and filter screens are arranged in the air inlets. The heat dissipation fan blows exhausted air into the wearing guide pipe, and finally the air is exhausted out of the head from the air outlet holes, so that sweating is not prone to happening in a hotter e