Mute automatic lock capable of being quickly unlocked

Abstract

The invention provides a mute automatic lock capable of being quickly unlocked, belongs to the technical field of locks, and solves the problems that an existing key cannot unlock a latch bolt and thelike. The mute automatic lock comprises a panel, a lock body, a spring bolt, a spring bolt plate, a latch bolt, a latch bolt plate and a rotary assembly, wherein the rotary assembly comprises a transmission gear, a drive gear, a transmission part, a shifting fork and a shifting plate; the transmission gear, the drive gear and the transmission part are rotatably arranged in a concentric mode; thedrive gear is engaged with a lock cylinder gear, can rotate relative to the transmission gear, and pushes the transmission gear to synchronously rotate through an upper limiting part; outer teeth of the shifting fork are externally engaged with the transmission gear; the shifting fork and the shifting plate are arranged in the concentric mode; while positioned on a closing station or a separatingstation, a square hole rotary part can drive the shifting plate and the shifting fork to synchronously transmit or the shifting plate independently rotates; the drive gear drives the latch bolt to move through the shifting plate, so that the latch bolt retracts; and while popping up, the latch bolt plate can drive the shifting plate to return. The mute automatic lock has the advantages that the spring bolt and the latch bolt can be simultaneously opened while a key or a lever handle is used for unlocking, and unlocking is quick and convenient.

Description

technical field [0001] The invention belongs to the technical field of locks, and relates to an automatic lock, in particular to a silent automatic lock for fast unlocking. Background technique [0002] There are generally two ways to unlock the traditional automatic lock, one is to use a key to unlock the bolt, and the inside and outside handles to open the latch bolt; the other is to use a key to unlock the bolt outside the door, and the outside handle to open the latch bolt Same as unlocking bolt and latch. No matter which kind, the bolt cannot be opened with the key to unlock the lock, and the key cannot be opened with the bolt and the bolt at one time, and the handle needs to be matched, which is not very convenient. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned defects in the existing automatic lock, and provide an automatic lock that can unlock the bolt and the oblique bolt at one time when unlocking with a ...

AI Technical Summary

Problems solved by technology

Either way, you can’t open the bolt with a key, and the key can’t unlock the bolt and bolt at the same time, and you need to cooperate with the handle, which is not very convenient.

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