| 摘要 |
PURPOSE: A bearing waterproof structure of a ball screw is provided to prevent water from penetrating into a bearing part, to facilitate to install a waterproof structure, to improve the durability of a transporting part, and to improve the productivity of a device. CONSTITUTION: A bearing waterproof structure of a ball screw comprises: a ball screw(100) which rotates; a bearing(150) which supports the rotation of the ball screw on the outer circumference of one end of the ball screw; a bearing housing(120) which supports the ball screw and the bearing which are inserted into the bearing with surrounding; a sealing member(200) which surrounds a part of the outer circumference of the ball screw in order to seal the perpendicular surface of the bearing housing and a gap between a ball screw. The ball screw and the sealing member are combined by a structure of one-way bolt and nut. |
