Dust collection structure for power tool

摘要

The structure includes an outer casing, a collector motor inside it, and a main shaft (6) with a narrowed tip. There is a collector (7) on the main shaft. The brush groups (29) are fitted radially round the collector of the motor and in contact with it. A dust collection fan (9) is fitted on the main shaft. The fan is between the collector and the outer casing. There is also a dust inlet channel (28) inside the casing, with an inlet near the point at which the dust is created. The dust chamber is mainly between the outer casing and the collector