Lock cylinder with functions of unlocking and doubly locking safety latch by aid of original key

Abstract

A lock cylinder with functions of unlocking and doubly locking a safety latch by the aid of an original key comprises a lock (1), an outer-side lock cylinder (2), a safety lock control hole (8), a double locking safety bolt (10) and an inner-side lock cylinder (14). The lock (1) is provided with the outer-side lock cylinder (2) and the inner-side lock cylinder (14), a safety lock (7) is sleeved in the inner section of the outer-side lock cylinder (2) of the lock (1), the safety lock control hole (8) is drilled on the safety lock (7) and the lock (1), a pin a, a pin b, a pin c, a pin d and a double locking control spring (9) are arranged in the safety lock control hole (8), then the safety lock control hole (8) is sealed, lower pins (4), upper pins (5) and springs (6) are respectively arranged on a plurality of pin holes which are perpendicular to the outer-side lock cylinder (2) and the lock (1), then the pin holes are sealed, a plurality of pins and springs are arranged in the inner-side lock cylinder (14) and the lock (1), the pins of the inner-side lock cylinder (14) and the lock (1) are encoded in patterns identical to patterns for encoding the outer-side pins of the outer-side lock cylinder (2) and the lock (1), and then the inner-side lock cylinder (14) and the lock (1) are sealed. The lock cylinder has the advantages that owing to the function of doubly locking a safety lock of an antitheft door via the latch by the aid of the original key, the latch is locked in place by means of turning the front surface of the original key by a plurality of circles, worries about safety protection for doors can be solved for people, and the lock cylinder is dream scientific achievement of people and is revolution for the lock industry for all mankind.

Description

(1) Technical field [0001] The invention relates to an improved invention of various anti-theft door lock cylinders in the market. (2) Background technology [0002] With the improvement of human living standards, the pursuit of grandeur and luxury is the common goal of people. However, there are various high, medium and low-grade anti-theft door lock cylinders with boldness and luxury in the world market. The door lock bolt lacks the function of locking the anti-theft door safety back by a key. There are the following hidden dangers in the technical structure of the existing lock cylinder control rotation system with a single function; a. This technology has a long history of development and use, and has a single function. No matter what safety control function is added, it still relies on the two-sided alike key to control the code to open and lock the latch. This technology has been mastered by professional lock matching technicians and social illegal personnel. It is n...

AI Technical Summary

Problems solved by technology

For example, if the child stands behind the door, hitting the door may hurt the child; or using a pistol drill tool to drill the door lock, the child will be afraid of the danger of losing his mind in panic and looking for the exit when the child hears the strange sound at the first time.

The development of this technology obviously lacks security knowledge, which makes the owners who are far away from home worry a lot. Worrying about the safety of property at home has become the common wish of all mankind.

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