Novel anti-theft door buffering structure

• Main Authors: HU XIAOJUN, HUA LIANGLIANG, ZHI SHENGCONG
• Format: Patent
• Language: Chinese; English
• Published: 17.10.2023
• 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 a novel security door buffer structure, relates to security door field, including door closer main part and piston rod, the outside of door closer main part is provided with the dustproof mechanism, the dustproof mechanism includes the fixed ring, the inside of fixed ring is provided with the locating slot, the two locating piece is fixedly connected through the telescopic pipe, and the telescopic pipe is provided with the locating slot. An oil storage cavity is formed in the inner side of the door closer body, a lubricating component is arranged at one end of the door closer body, oil absorption cotton is arranged in the oil storage cavity, an oil outlet is formed in the inner side of the oil storage cavity, and a ball is movably connected into the oil outlet. Therefore, friction between the piston rod and the door closer main body is reduced, and the service life of the buffer structure is prolonged; and the telescopic pipe is arranged, so that dust can be comprehensively prevent