Easy-to-be-assembled double-face bezel structure and assembling method thereof

A method for assembling an easy-to-be-assembled double-face bezel structure, wherein the easy-to-be-assembled double-face bezel structure comprises at least one first frame element and at least one second frame element, each being one-piece, and wherein the first frame element comprises a top face;

• a lateral face connected with the top face on one edge;
• a connecting face, if not in the second frame element, connected with at least one of the top face and the lateral face on another edge intersecting with the edge;
• a top rivet unit protruding from a first top joint portion on one end of the top face;
• and a lateral rivet unit protruding from a first lateral joint portion being the connecting face if there, or the first lateral joint portion on one end of the lateral face;
• and wherein the second frame element comprises a top face;
• a lateral face connected with the top face on one edge;
• a connecting face, if not in the first frame element, connected with at least one of the top face and the lateral face on another edge intersecting with the edge;
• a top rivet hole protruding from a second top joint portion on one end of the top face;
• and a lateral rivet hole protruding from a second lateral joint portion on one end of the lateral face, or the second lateral joint portion being the connecting face if there, the top rivet unit and the top rivet hole, and the lateral rivet unit and the lateral rivet hole being respectively at corresponding positions, consisting the steps of:
• placing the rivet units into the corresponding rivet holes;
• and
• punching each of the rivet units such that the rivet unit fill the corresponding rivet hole.