Power tool housing

The is a hammer body (320) and shell, is composed of three shell parts. An approximate hexagon L-SHAPED bars head part shell (380a) and main shaft (348), a hollow piston (358), the main shaft and hollow piston driving mechanism and a pattern transformation mechanism. The first end part (380a) is mounted on the second end part (380b), making the first (shape bar (382a) clamping of the two parts; to prevent the dust feeding. The second end part (380b) is placed the transmission mechanism lower part of the head part shell (380a) is. The second end part (380b) of the motor to the output hole (390), a enables the motor output shaft (336) which the transmission mechanism. The third part shell (380c) arranged on the head part shell (380a) is layers; the main shaft (348) is stretched out of the third part shell (380c) is. The second (shape bar (382b) in the second and third transmission part shell (380a and 380c) and combination part.