Dust collection device for power tool and power tool

摘要

In a dust collection device attached to a hammer drill, a filter is provided in a dust box at a position at which the filter covers an outlet provided on a rear face of a lid body, in a state such that a filter surface projects into the dust box from the rear face of the lid body. A space is formed between an inner face of a box main body and a side face of the filter that is adjacent to the filter surface. Air outlets are provided to guide air, which flows in through an inlet, toward the space.

主权项

1. A dust collection device for a power tool, comprising:
a casing from which a suction port protrudes and which can be attached to a power tool; a dust collection pathway which is formed in the casing, and through which air sucked from the suction port passes; and a dust box detachably joined to a joining section provided in the casing having a filter arranged therein, being provided with an inlet on an upstream side of the filter and an outlet on a downstream side of the filter, and serving as part of the dust collection pathway, wherein the filter is provided at a position at which the filter covers the outlet provided on an inner wall face of the dust box, in a state such that a filter surface projects into the dust box, and a space is formed between a side face of the filter adjacent to the filter surface and an inner face of the dust box, the filter surface facing the side face of the filter; and a guide unit is provided to guides air, which flows in through the inlet that is disposed at a side where an upper side of the filter surface is located, to the space, to a bottom side of the filter surface, to inside the filter, and to the outlet.