Escape fire-resistant lock

Abstract

The invention discloses an escape fire-resistant lock. The escape fire-resistant lock comprises a lock tongue torsion mechanism, a lock pin torsion mechanism and a shell mechanism, the lock tongue torsion mechanism comprises an inner handle, an inner rotating lock cylinder rod is arranged on one side of the inner handle, a first rotating block is arranged on one side of the inner rotating lock cylinder rod, a rotating block is arranged on one side of the first rotating block, a rotating block is arranged on one side of the rotating block, a second rotating block is arranged on one side of therotating block, a first fixing block is arranged on one sides of the upper parts of the first rotating block and the second rotating block, a second fixing block is arranged on the other sides of theupper parts of the first rotating block and the second rotating block, both the middle of the first fixing block and the middle of the second fixing block are provided with circular holes, movable rods are arranged in the circular holes, springs are arranged on the movable rods, lock tongues are arranged on one sides of the springs, and closing blocks are arranged in the middles of the lock tongues. The unlocking effect can be achieved only by directly rotating the handle during escaping, the escape possibility is increased, and the purpose of the fire-resistant lock is achieved better.

Description

technical field [0001] The invention relates to a fireproof lock, in particular to an escape fireproof lock. Background technique [0002] Although there are many types of fireproof locks on the market, most fireproof locks need to unlock the lock pin first and then turn the handle to unlock. Due to the particularity of the fireproof lock, the fireproof lock is easy to unlock and easy to escape. [0003] Chinese patent CN201120051836.6 discloses a lock. The present invention relates to a lock, in particular to a fireproof lock. The fireproof lock includes: a panel, a cover plate, a bottom plate, an oblique tongue, a square tongue, a large dial block, and a dial dial. The rear end of the square tongue is provided with an inverted convex groove and a sliding groove. The sliding groove There is also a fixed column in the middle, and the fire lock also includes a square tongue torsion spring, the square tongue torsion spring is V-shaped, one end of the square tongue torsion spr...

AI Technical Summary

Problems solved by technology

The fireproof lock includes: a panel, a cover plate, a bottom plate, an oblique tongue, a square tongue, a large dial block, and a dial dial. The rear end of the square tongue is provided with an inverted convex groove and a sliding groove. The sliding groove There is also a fixed column in the middle, and the fire lock also includes a square tongue torsion spring, the square tongue torsion spring is V-shaped, one end of the square tongue torsion spring is connected to the column, and the other end is connected to the On the rivet at the front end of the dial, the existing fireproof locks cannot carry out the front and back replacement of the handle and the front and back replacement of the lock tongue, and the lock tongue and lock pin can be unlocked at the same time without turning the handle.

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