Outer cover protection type insulation piercing wire clamp

The utility model relates to the technical field of puncture wire clamps, and provides an outer cover protection type insulation puncture wire clamp which comprises an upper puncture shell and a lower puncture shell, the outer side of the upper puncture shell is fixedly connected with left and right opposite connecting frames, the outer sides of the connecting frames are fixedly connected with guide cylinders, and the inner walls of the guide cylinders are slidably connected with clamping rods. The clamping rod is arranged in the connecting frame in a penetrating mode, the outer side end of the clamping rod is fixedly connected with a pull rod, the outer side of the pull rod is fixedly connected with a second spring, one end of the second spring is fixedly connected with the inner wall of the connecting frame, and the other end of the second spring is fixedly connected with one side of the clamping rod. According to the puncture wire clamp, through cooperation of the connecting frame, the connecting block, th