Vacuum suction cup-type windowing fixer

The utility model relates to a vacuum suction cup-type windowing fixer comprising a first suction cup, a piston threaded rod, a clamp nut, a horizontal support bar, an outer supporting stand, a fixed nut, an inner supporting stand, a vertical support bar, a second sucker and a sealing piston, wherein the sealing pistons are respectively mounted on the first suction cup and the second suction cup, the piston threaded rod is mounted on the sealing piston, one end of the first suction cup is connected with the horizontal support bar, the second suction cup is connected with the vertical support bar, the horizontal support bar and the vertical support bar are hinged together, the outer supporting stand is mounted on the horizontal support bar, the inner supporting stand is mounted in the vertical support bar, and the inner supporting stand is sleeved in the outer supporting stand. The vacuum suction cup-type windowing fixer has simple structure and reasonable design, and the adsorption capacity is strong and the