Door lock and elevator with same

Abstract

The invention discloses a door lock which comprises a bottom plate, a spring bolt mechanism arranged on the bottom plate and a driving mechanism used for driving the spring bolt mechanism to move, and the spring bolt mechanism comprises a movable shaft movably arranged on the bottom plate, a spring bolt fixed to the lower portion of the movable shaft and an elastic piece arranged outside the movable shaft in a sleeving mode. The driving mechanism is used for driving the spring bolt to move upwards, and the elastic piece is used for driving the spring bolt to move downwards. The driving mechanism comprises a driver, a gear and a sawtooth face arranged on the side, close to the bottom plate, of the movable shaft, the gear is meshed with the sawtooth face, the gear is fixed to the output end of the driver, and the driver is used for driving the gear to rotate. According to the door lock, the driving mechanism is arranged to drive the spring bolt mechanism to achieve locking, the single spring bolt design is adopted, and the structure is compact; the gear rotates to drive the lock tongue with the rack to move up and down, and the structure is safe and reliable.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to an elevator door lock suitable for automatic swing doors and a home elevator including the elevator door lock. Background technique [0002] With the advancement of cities and construction and the continuous improvement of people's living standards, the market demand for home elevators is also increasing. [0003] At present, the double-door elevator door locks for home platform elevators on the market have the following disadvantages: the design of the double lock tongue causes the volume to be too large, and the required traction force is also large; if the rope traction structure is used, after the emergency manual unlocking, the rope is entangled. Risk, in case of emergency power failure, it will not automatically lock, which will affect safety; the emergency manual unlocking device is external, which occupies a lot of space and causes a waste of space. SUMMARY OF THE INV...

AI Technical Summary

Problems solved by technology

[0003] The double-door elevator door locks of household platform elevators currently on the market have the following disadvantages: the double-bolt design results in a large volume and requires a large traction force; if the rope traction structure is adopted, the rope will be entangled after emergency manual unlocking Risk, in the case of emergency power failure, the lock will not be automatically locked, which will affect safety; the emergency manual unlocking device is external, which takes up a lot of space and causes a waste of space

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