Steel flaxen fiber composite sheet

The utility model provides a steel flaxen fiber composite sheet, including limiting plate no. 1, spiral shell rasp bar, through -hole, counter sink, nut, limiting plate no. 2, standing groove, desiccant bag, closing plate and bleeder vent, the through -hole is offered at the composite sheet originally internally, and is equipped with spiral shell rasp bar in the through -hole, spiral shell rasp bar left end is fixed at a limiting plate right -hand member face, in spiral shell rasp bar right -hand member extends to the counter sink, and spiral shell rasp bar right -hand member is equipped withthe nut, the counter sink is seted up at two right -hand member faces of limiting plate, and this design has realized assistant reinforcement mechanical strength's purpose, the desiccant bag assemblyis in the standing groove, the closing plate assembly is on the inside right side of standing groove, the bleeder vent is seted up at the inside rear end face of standing groove, and bleeder vent andcounter sink communicate wi