The utility model discloses a pressurizing mechanism for an injection blow molding machine, comprising a pressure source, a pressure transmission rod, and a mounting base arranged below the pressure source. An avoiding hole for accommodating the upper section of the pressure transmission rod is formed on the output part of the pressure source, a left cushion block and a right cushion block are movably arranged on the mounting base, and the left cushion block and the right cushion block cover the opening of the pressure transmission rod mounting hole when combined. A double-headed cylinder is arranged on the mounting base, one end of a piston rod of the double-headed cylinder is connected with the right cushion block, the other end of the piston rod is hinged with two connecting rods through a connecting pin, rotating shafts rotatably connected with the connecting rods are respectively arranged on two sides of the piston rod on the mounting base, a transmission rod parallel to the piston rod is movably connected to the end of each connecting rod, a guide seat for movably embedding the transmission rod is arranged on the mounting base, and the ends of the two transmission rods are respectively connected with the left cushion block.

Country Code: CN

Application Number: CN202022497717.5