Variable sheath plugging clamp

The utility model provides a variable sheath plugging clamp, which comprises a fixed seat, a first clamp, a second clamp and a screw rod, a moving groove is arranged at the bottom of the fixed seat along the length direction of the fixed seat, and two sliding rails are respectively arranged on two opposite side surfaces in the moving groove; the upper portion of the first clamp is arranged in the moving groove and flush with the left side face of the fixing base, a first L-shaped clamping jaw is arranged on the lower portion of the first clamp, the upper portion of the second clamp is arranged on a sliding rail of the moving groove and can move back and forth along the sliding rail, and a second L-shaped clamping jaw is arranged on the lower portion of the second clamp. The screw is located in the moving groove, the left end of the screw penetrates through the upper portion of the first clamp, and the right end of the screw penetrates through the upper portion of the second clamp in a threaded mode. According