Burglarproof alarm lock

Abstract

The invention discloses a burglarproof alarm lock which comprises a lock body, a key hole, a steel ball, a spring, a touch switch, a conductor, a power supply, a delay device and an alarm device, wherein the key hole, the steel ball and the spring are arranged in the lock body; the steel ball arranged in the key hole is connected with one end of the spring; the conductor is arranged in the spring; the other end of the spring is connected with the touch switch through the conductor and is also sequentially connected with the power supply, the delay device and the alarm device in series; and the alarm device is connected to the conductor. When the burglarproof alarm lock is unlocked, the key pushes the spring to compress and close the touch switch; and by means of a delay switch, if the key is not pulled out within 5 seconds, the stealing condition is judged to happen and the alarm device gives out sound, so that the burglarproof alarm lock plays roles of preventing the stealing and preventing the key from being forgotten to pull out. The burglarproof alarm lock has a simple structure and low cost.

Description

technical field [0001] The invention relates to a lock, more specifically to an anti-theft alarm lock. Background technique [0002] Sometimes we will inevitably forget to remove the key from the lock, which is very dangerous; at the same time, there are also thieves who open the lock through certain techniques, but it often takes a long time to open it, so we think that if we can set an alarm device in the lock , By delaying for a few seconds when unlocking, the purpose of anti-theft can be achieved, and it can also prevent oneself from forgetting to pull out the key. Contents of the invention [0003] In order to achieve the above object, the present invention provides an anti-theft alarm lock. When the lock is unlocked, the alarm device is connected, and the connection is delayed by a delay device for 5 seconds. If the lock is not pulled out, an alarm will sound. [0004] An anti-theft alarm lock, comprising a lock body and a key hole, a steel ball, a spring, a touch s...

AI Technical Summary

Problems solved by technology

[0002] Sometimes we will inevitably forget to pull out the key from the lock, which is very dangerous; at the same time, there are also thieves who open the lock through certain techniques, but it often takes a long time to open it, so we think that if we can set an alarm device in the lock , by delaying for a few seconds when unlocking, the purpose of anti-theft can be achieved, and it can also prevent oneself from forgetting to pull out the key

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