Threaded lock cylinder type anti-loose lock for rail transit

Abstract

The utility model relates to the technical field of lock manufacturing, specifically relates to a thread lock cylinder type anti-loose lock for rail transit. The utility model is applied to the skirt plate and the body framework between rail transit vehicles, includes lock head composition and lock box composition, and lock head composition penetrates skirt plate, locking nut, body framework successively and is installed on lock box composition, and lock box composition is fixed on the body framework through the bolt, wherein: lock head composition includes lock body, thread lock cylinder, steel wire clamping spring, lock cylinder support, arc spring washer; lock box composition includes lock box body, four corner nut, cover plate; through special hexagonal key drive thread lock cylinder rotation, utilize trapezoidal thread high transmission efficiency, realize locking and unlocking fast, significantly improve assembly and maintenance efficiency; steel wire clamping spring radial constraint and arc spring washer axial pre -tightening form space crosslinking locking, effectively resist vibration impact, prevent thread lock cylinder loosening, clearance setting of long circular hole and four corner nut, and floating compensation mechanism improves installation adaptability.