SHOCK ABSORBING ROAD STUD FOR REDUCING SHOCK APPLIED ON VEHICLES BY GENERATING THE SOUND BY DEFLATING THE AIR IN A VERTICAL MOVING UNIT THROUGH A SOUND GENERATING UNIT AT THE SAME TIME AS A REFLECTING TOOL AND THE VERTICAL MOVING UNIT ARE PUSHED INTO A CASE BY PRESSURE APPLIED ON THE VEHICLES

摘要

PURPOSE: A shock absorbing road stud is provided to minimize shock transmitted by vehicles by pushing a reflecting tool and a vertical moving unit into a case by pressure applied on the vehicles and to distinguish clearly a lane at night by freely installing the road stud to the central line or and the lane. CONSTITUTION: A shock absorbing road stud is composed of a case(1) inserted and mounted in mounting holes perforated on the central line and a lane; a post unit(2) inserted into the case and screw-combined to the lower surface of the case; a guide unit(3) of which the lower side is combined with the end of the upside of the post unit by a bolt(10); an elastic member(4) fitted into the guide unit, wherein the lower side is contacted to the upside of the post unit; a vertical moving unit(5) fitted into the guide unit, wherein an end of the lower side of the vertical moving unit is supported by the elastic member and a center portion of the lower side is fitted in the center of the post unit; a reflecting tool(6) screw-combined to the upside of the vertical moving unit; a cushion rubber(7) joined to each upside of the guide unit and the case; a bellows-type dust cover(8) of which one side is connected to the inner lower end of the cushion rubber and the other side is connected to the lateral side of the reflecting tool to prevent dust of the road surface from being inserted into the guide unit; and a sound generating unit(9) disposed in the center of the reflecting tool.