Anti-falling gas spring with improved structure

• Main Authors: JIANG YIFAN, WANG ZULEI, LIN YUAN, LUO WEI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model discloses an anti-falling gas spring with an improved structure, and relates to the technical field of vehicles, the anti-falling gas spring comprises a cylinder body, a piston rod and a valve assembly, the valve assembly is arranged on the cylinder body in a sliding mode in the axial direction of the cylinder body, and the valve assembly comprises a first piston, a second piston, a damping spring and a plugging piece, the first piston is fixed to the piston rod, the second piston is arranged on the side, away from the rod cavity, of the first piston, and the piston rod is matched with the second piston in a sliding mode; the damping spring is connected between the first piston and the second piston in an abutting mode, a communicating hole communicating with the rod cavity is formed in the first piston, and the blocking piece can slide along with the second piston to block the communicating hole; and a throttling hole communicated with the rodless cavity is formed in the second piston. The