Novel anti-burglar lock

Abstract

The invention provides a novel anti-burglar lock which comprises a columnar lock head and a flat crutch key. The novel anti-burglar lock is characterized in that the lower half of the columnar lock head is internally provided with a lock core, the lock core is provided with an eccentric key hole with an upward opening, the flat crutch key comprises an L-shaped swing rod and a key pin connected to a crutch at the lower side of the L-shaped swing rod, the top end of the lock core is provided with a pie slice which is arranged along the plane direction and is beneficial to the swing of the crutch at the lower side of the L-shaped swing rod, and longitudinal surfaces at two sides of the pie slice are respectively provided with a slot convenient for the flat crutch key to be inserted in or drawn out. The product has better anti-burglar property and bright market prospect, and is beneficial to market popularization.

Description

technical field [0001] The invention relates to a lock, in particular to an anti-theft lock and a key thereof. Background technique [0002] The keyholes of most existing anti-theft locks are exposed outside, which can easily cause damage to the keyholes, and lockpicking tools can directly enter the keyholes for illegal lockpicking; The most important thing is the lock cylinder pin and spring, and most of the existing locks, after the key is inserted into the keyhole, the tooth pattern of the key directly contacts the lock cylinder pin, as long as the tooth pattern corresponds to the characteristics of the lock cylinder pin, it can be opened. For locks, illegal lockpickers make full use of these two points to make a "master key" and directly move the lock cylinder pin in the keyhole to open the lock; at the same time, most of the keys are straight in shape and can be opened directly. Insert the keyhole, which provides "convenience" for illegal lockpicking. Contents of the...

AI Technical Summary

Problems solved by technology

[0002] The keyholes of most existing anti-theft locks are exposed outside, which can easily cause damage to the keyholes, and lockpicking tools can directly enter the keyholes for illegal lockpicking; The most important thing is the lock cylinder pin and spring, and most of the existing locks, after the key is inserted into the keyhole, the tooth pattern of the key directly contacts the lock cylinder pin, as long as the tooth pattern corresponds to the characteristics of the lock cylinder pin, it can be opened. For locks, illegal lockpickers make full use of these two points to make a "master key" and directly move the lock cylinder pin in the keyhole to open the lock; at the same time, most of the keys are straight in shape and can be opened directly. Insert the keyhole, which provides "convenience" for illegal lockpicking

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