Handheld dust collector forced air cooling air passage structure and handheld dust collector

The utility model discloses a handheld dust collector forced air cooling air passage structure and handheld dust collector, including the intake pipe, filter equipment, intake pipe and filter equipment inlet end intercommunication, the guard shield, guard shield inlet end and filter equipment exhaust end intercommunication, inside is used for installing chip and motor, the handle, handle cavity isformed with the cavity of ventilating, radially arranges handle cavity top and guard shield below exhaust end intercommunication for filter equipment, the down comer, down comer one side is inlet endand handle cavity below intercommunication, down comer opposite side exhaust gas region, exhaust gas region is located the battery package and lays after the region. Handheld dust collector includesabove -mentioned handheld dust collector air flue. The utility model discloses utilizing air passage structure's setting, will originally filtering the back combustion gas, the parts that generate heat such as leading -in chip,