Automobile wire harness convenient to mount and dismount

The automobile wire harness comprises a female plug, the left side of the inner wall of the female plug is fixedly connected with a contact piece, the contact piece is connected with a male plug in a matched mode, the right side of the male plug is fixedly connected with a sealing block, and the right side of the sealing block is fixedly connected with a rectangular box. The inner wall of the rectangular box is movably connected with a gear through a rotating shaft, the two sides of the gear are engaged with toothed plates through teeth, and the two toothed plates are movably positioned in the rectangular box in parallel. Through a female plug, a contact piece, a male plug, a sealing block, a rectangular box, a gear, a toothed plate, a connecting rod, a telescopic block, a fixing rod, an electric wire, a sealing ring, a crank, an anti-skid pad and an anti-skid sleeve, the problems that when an existing automobile wire harness is used, an operator needs to use screws and other tools, although the automobile wi