Fixator for spaceflight

The utility model relates to the technical field of spaceflight, and discloses a fixer for spaceflight, which comprises a spaceflight vehicle body and a using device, the using device comprises a first elastic spring, a second elastic spring, an arc-shaped block, a fixer, a movable stop lever, a fastening bolt, a protective cover, a high-strength hexagon bolt, a high-strength nut, a stainless steel bolt and a stainless steel nut. The protective covers, the high-strength hexagon bolts, the high-strength nuts, the stainless steel bolts and the stainless steel nuts are arranged, the protective covers are used, under the use of the high-strength hexagon bolts and the high-strength nuts, due to the fact that the high-strength hexagon bolts are made of a carbon steel black material, the two protective covers can be fixed together conveniently, and the stainless steel bolts and the stainless steel nuts are used; and as the stainless steel bolts are made of a stainless steel material, the two protective covers can be