Welding gun extension pipe structure

The utility model discloses a welding gun extension pipe structure which comprises a grab handle and two clamping mechanisms, the front end of the grab handle is fixedly connected with an anti-contact block, the front end of the anti-contact block is fixedly connected with a connecting seat, the top end of the connecting seat is fixedly connected with a U-shaped mounting seat, and the interior of the mounting seat is transversely and rotatably connected with a rotating block. The utility model relates to the technical field of electric welding guns. According to the welding gun extension pipe structure, the clamping mechanism is arranged, the fixing block and the sliding block are arranged in the clamping mechanism of the welding gun, the sliding block is slidably connected to the outer surface of the fixing block, the position of the sliding block can be adjusted by rotating a threaded rod to drive a threaded sleeve to move, and therefore the distance between the front end of the sliding block and the rear e