Lock body and automatic locking and unlocking mechanism thereof

Abstract

The invention discloses an automatic locking and unlocking mechanism for a lock body. The mechanism is characterized in that a scissor tongue and a detection tongue are simultaneously pressed in a door closing process. When the scissor tongue enters a door frame and pops up, a self-locking trigger block moves upwards under the action of a self-locking reset spring to drive a self-locking connecting rod to move together. After the self-locking connecting rod is separated from the limiting fit with the main spring bolt, the main spring bolt automatically extends out under the action of a main spring bolt torsion spring, and a door closing action is completed. The automatic locking and unlocking mechanism has the advantages that 1, the main spring bolt automatically pops up after a door is closed, which is simple and convenient; 2, the scissor tongue and the detection tongue pops up simultaneously, the main spring bolt cannot pop up, and the condition of false popping while false closingis avoided; and 3, the pop-up is more effective, the product stability is improved, and the service life is longer. The invention further provides a lock body using the automatic locking and unlockingmechanism.

Description

technical field [0001] The invention relates to the technical field of lock bodies, in particular to a lock body and an automatic locking and unlocking mechanism thereof. Background technique [0002] As a smart home product, smart door lock has entered the fast lane of development. Its convenience, safety and sense of technology have gradually been recognized and favored by consumers. [0003] At present, the smart door locks on the market are basically double-fast locks. After closing the door, you need to lift the handle to lock the door, which has a poor experience. People strongly demand a product that locks automatically after closing the door, which is simpler and more convenient to use. [0004] The stability of the self-elastic lock body in the prior art still needs to be improved: [0005] 1) There is a high probability of false cover and miss-fire, that is, the detection tongue and the scissor tongue will pop out at the same time after being pressed at the same ...

AI Technical Summary

Problems solved by technology

[0005] 1) The probability of false cover is high, that is, the detection tongue and the scissors tongue will pop out at the same time after being pressed at the same time, and the main lock tongue will be released;

[0006] 2) Difficult assembly and poor stability;

[0007] 3) The pop-up force is small, and it often happens that the pop-up does not come out

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