Anti-drop corner lining for mobile phone protective sleeve

The utility model belongs to the technical field of mobile phone protective sleeves, and discloses an anti-drop corner lining for a mobile phone protective sleeve, which comprises an elastic lining plug and an elastic bushing, the elastic lining plug is plugged in the elastic bushing, a protective sleeve is matched outside the elastic bushing, the protective sleeve comprises a sleeve body, the corner of the sleeve body is provided with an insertion hole, and the insertion hole is communicated with the elastic bushing. The outer part of the sleeve body is provided with a buckling hole, the elastic bushing comprises connecting sheets and an elastic constraint sleeve, the connecting sheets are symmetrically and fixedly connected to the outer part of the elastic constraint sleeve, the elastic bushing further comprises a buckling block, the buckling block is fixedly connected to the connecting sheets, the elastic lining plug comprises a leather block, and the outer part of the leather block is provided with a groo