Waterproof protective case for smart watches

A waterproof protective case for a smart watch, comprising

• a main body, comprising a first wrapping edge, a second wrapping edge, a third wrapping edge and a fourth wrapping edge, a cavity for enclosing the smart watch is formed by connecting the wrapping edges end to end;
• through holes for corresponding to buttons of the smart watch are arranged on one of sets of the wrapping edges opposite to each other;
• a dodge opening for movement of a watch strap of the smart watch is arranged on the other set of the wrapping edges opposite to each other,
• a transparent cover, covering an opening on top of the main body, a concave platform is arranged on inner side of a top edge of the cavity of the main body, the transparent cover is fixed to the concave platform by glue;
• wherein an inner side of a bottom surface of the concave platform is also provided with a glue overflow groove for preventing the glue from overflowing, and the glue penetrates into the glue overflow groove,
• a waterproof ring, which is configured as an annular structure, and the waterproof ring is combined with an inner wall surface of the main body by means of integral inlay molding;
• wherein the first, second, third, and fourth wrapping edge each respectively comprise a top edge and a side edge, wherein the top edge is folded toward middle, so that the size of the opening on the top is smaller than the size of the cavity, wherein a waterproof groove is provided on an inner wall surface where the top edge and the side edge meet, wherein the waterproof ring is embedded in the waterproof groove and is integrally formed with the main body by means of injection molding;
• wherein the main body is made of hard plastic or rubber, and the waterproof ring is made of soft plastic, rubber, or silicone.