Fastening piece structure of eye protector

The utility model is a goggles buckle piece structure, soliving the question that the latent danger to the user caused by the existing technology. This buckle piece structure is used to connect with an elasticity tying belt in goggles, which includes lens and a frame. A pair of gather holes is positioned in both sides of the lens and the frame. The buckle piece structure includes a main body unit and a stop unit. A tying belt connection part is included in the main body unit to connect the elasticity tying belt, and a pair of hook arms is located in one side of the tying belt connection part and also forms a containing space between the pairs of hook arms. The pair of hook arms wedges the pair of gather holes to fix the lens on the frame. The stop unit is installed movable in the containing space between the pairs of hook arms and supports the inner side of the pairs of hook arms.