A folding lock mainly comprising:
- a folding plate assembly composed of a fixed folding plate, a movable folding plate, a plurality of intermediate folding plates and a plurality of rivets, the fixed folding plate, the movable folding plate and the intermediate folding plates being pivotally assembled by riveting with the rivets one by one, the fixed folding plate and the movable folding plate being respectively pivotally disposed on two outer sides of the intermediate folding plates, the fixed folding plate being fixedly provided with a connecting seat, the connecting seat being provided with a through hole, an outer end of the movable folding plate being disposed as an insertion portion, the insertion portion being provided with an insertion hole;
- a lock seat disposed on an inner side of the connecting seat on the fixed folding plate, one end of the lock seat being provided with an accommodating groove, a wall surface of the lock seat being provided with an insertion groove, the accommodating groove communicating with the insertion groove, another end of the lock seat being provided with an insertion hole, the insertion hole of the lock seat communicating with the insertion groove, an inlay being correspondingly protruding from an inner wall surface of the insertion hole;
- a fixing sleeve inserted into the through hole of the connecting seat on the fixed folding plate and disposed in the accommodating groove of the lock seat, an outer wall surface of one end portion of the fixing sleeve being provided with a flange, inside the fixing sleeve being provided with a chamber, an outer end portion of the chamber of the fixing sleeve being provided with a ring groove, a wall surface of the chamber of the fixing sleeve being axially provided with a sliding groove, and vertically provided with an arcuate positioning embedding groove, another end portion of the fixing sleeve being provided with a perforation communicating with the chamber;
- a lock core seat disposed in the chamber of the fixing sleeve, one end of the lock core seat being provided with a chamber, an inner wall surface of the chamber of the lock core seat being provided with a positioning slot, another end of the lock core seat being provided with a perforation communicating with the chamber, an outer wall surface of the lock core seat being provided with a positioning protrusion for disposing in the sliding groove of the fixing sleeve, a wall surface of the lock core seat being provided with a steel ball hole communicating with the perforation of the lock core seat, inside the steel ball hole being provided with a positioning steel ball, another end face of the lock core seat being provided with a fixing insert hole;
- a lock core disposed in the chamber of the lock core seat, one end of the lock core being provided with a key hole, another end of the lock core being provided with a lock rod, the lock rod being provided with a notch, a wall surface of the lock core being provided with an embedding rod for embedding in the positioning slot of the lock core seat;
- a connecting swivel assembled on the lock core seat, one end of the connecting swivel being provided with a protruding column, the protruding column of the connecting swivel being inserted into the perforation of the lock core seat, inside the protruding column of the connecting swivel being provided with a lock rod hole for inserting the lock rod of the lock core, the protruding column of the connecting swivel being provided with a slot, another end of the connecting swivel being provided with a connecting protrusion, inside the connecting protrusion being provided with a perforation, a first pin hole being disposed on a wall surface of the connecting swivel, a first fixing pin being disposed in the first pin hole, the first fixing pin being inserted into the notch of the lock rod of the lock core, a second pin hole being provided on a wall surface of the connecting protrusion, a second fixing pin being disposed in the second pin hole, a fixing insert hole being disposed on an end face of the connecting swivel, a torsion spring being disposed between the connecting swivel and the lock core seat, one end of the torsion spring being embedded in the fixing insert hole of the connecting swivel, another end of the torsion spring being embedded in the fixing insert hole of the lock core seat;
- a lock column disposed on the connecting swivel, one end of the lock column being provided with a protruding column, the protruding column of the lock column being disposed in the perforation of the connecting swivel, the protruding column of the lock column being provided with a pin hole for inserting the second fixing pin on the connecting swivel, the lock column being provided with a retaining edge, another end portion of the lock column being provided with an embedding groove, a cut surface provided on a wall surface of the other end portion of the lock column corresponding to a position of the inlay in the insertion hole of the lock seat, a compression spring being sleeved on the connecting swivel and the lock column;
- and
- a fixing collar disposed in the chamber of the fixing sleeve, a C-shaped fastening ring being disposed on a wall surface of the fixing collar, and the C-shaped fastening ring being embedded in the ring groove of the fixing sleeve.