Foreign substance blocking and hidden wiring structure of seat long-rail

A foreign substance blocking and hidden wiring structure of a seat long-rail, comprising:

• a lower rail fixed to a vehicle body and comprising a slot portion formed in an upper portion thereof;
• a block guide partially located on the lower rail and configured to protrude to an outside of the slot portion;
• an upper rail located on an upper end of the lower rail and configured to be coupled to the block guide;
• a slide block provided in plural at a position corresponding to the slot portion and configured to open the slot portion at a position corresponding to the upper rail;
• a block guide pin formed on an upper surface of the block guide so as to allow the slide block to open or block the slot portion according to movement of the upper rail;
• a lower cover extending along an upper surface of the lower rail and comprising a slit portion formed in an inner surface thereof;
• and
• an upper cover extending along an upper surface of the lower cover;
• wherein the slide block located at a position corresponding to the upper rail is inserted into the slit portion according to movement of the upper rail.