Antitheft door capable of automatically closing cat eye after being locked

Abstract

The invention provides an antitheft door capable of automatically closing a cat eye after being locked. The antitheft door comprises a door frame, a door, a vertical lock, a transverse lock bar, a longitudinal lock bar, a cat eye screen and a spring bolt, and is characterized in that the transverse lock bar (a longitudinal contraction bar) and the cat eye screen are in linkage with each other. The antitheft door has the advantages that when a user locks the antitheft door, the cat eye is automatically closed under the shielding effect of the screen, and accordingly is excellent in antitheft effect, and the problem that a criminal stretches a special tool into an existing door from a mounting through hole to unlock the existing door after damaging a light-transmittance element of an existing cat eye can be effectively solved; the safety coefficient of the cat eye of the antitheft door can be increased, accordingly, the antitheft performance of the antitheft door is improved, and the antitheft door can be used easily and conveniently.

Description

technical field [0001] The invention relates to an anti-theft door, in particular to an anti-theft door which locks and automatically closes peepholes. Background technique [0002] Nowadays, increasing family has used anti-theft door, in order to be able to observe outside visitor or other situations from inside house under the state that anti-theft door is closed, cat's eye is often installed on the anti-theft door. The cat's eye that appeared earlier is to set a through hole on the security door, and install a one-way visible light-transmitting element on the through hole. However, "Maoyan Kuaishou" has appeared on the market at present. After the molecules destroy the cat's eye, the through-hole for mounting the cat's eye is exposed. Criminals can insert tools such as "Maoyan Kuaishou" into the back of the door through the cat's eye hole to open various automatic door locks and hand-held locks without back locks. Contents of the invention [0003] The technical probl...

AI Technical Summary

Problems solved by technology

The cat's eye that appeared earlier is to set a through hole on the security door, and install a one-way visible light-transmitting element on the through hole. However, "Maoyan Kuaishou" has appeared on the market at present. After the molecule destroys the cat's eye, the via hole for mounting the cat's eye is exposed

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