Light-proof and shock-proof injection protective sleeve

The utility model provides a light-proof shockproof injection protective sleeve, which comprises a main body and a cover body, the cover body is connected to the main body, the main body comprises a shell wall, the shell wall comprises an inner wall and an outer wall, a buffer layer is arranged between the inner wall and the outer wall, a light-proof layer is arranged on the inner wall or the outer wall, and the light-proof layer is arranged between the inner wall and the outer wall. A plurality of first limiting protrusions are arranged on the inner side wall of the main body and are perpendicular to the inner side wall, a plurality of second limiting protrusions are arranged on the bottom side wall of the main body and are inclined relative to the bottom side wall, and a plurality of third limiting protrusions are arranged on the inner wall face of the cover body. The light-proof shockproof injection protective sleeve is simple in structure, good in protective effect, low in cost, high in universality and c