| 摘要 |
PURPOSE: A spraying device for cleaning is provided to cleanly remove foreign materials of a hole by making air be raidally sprayed to the forward or the rearward of the device and to enhance work efficiency by uniformly spraying the air. CONSTITUTION: A spraying device for cleaning comprises: a body portion(10) which includes an internal channel(12) and a recessed portion(19) and is connected to the outside of the device; a control member(20) which is capable of moving along the longitudinal direction of the recessed portion of the body portion; a first exhaust flow path which is inclined between the control member and the body portion; and a second exhaust flow path which is inclined on the rearward of the control member and the body portion.
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