USB plug with protection structure

The utility model relates to the technical field of USB plugs, and discloses a USB plug with a protection structure, which comprises a USB plug body, the outer side of the USB plug body is covered with a protection cover, the USB plug body comprises a block body and a plugging body arranged on one side of the block body, and the USB plug body further comprises an embedded strip groove arranged on the side surface of the block body and an adjusting assembly arranged in the block body. When the plugging body part needs to be protected, an adjusting column is screwed to drive a rotating wheel to rotate, at the moment, a first movable strip moves, so that a second movable strip is ejected out, the second movable strip is ejected out and moves in a second through groove and a first through groove, and at the moment, an embedded fixing strip is clamped in an embedded strip groove; one end of the ejected second movable strip is connected with the side face of the embedded fixing strip, namely, the end of the ejected