Button type anti-theft door handle

Abstract

The invention discloses a button type anti-theft door handle which comprises a fixed disc, a shaft sleeve, a handle, a rotary shaft and a spring; the shaft sleeve comprises a cap body, a hollow pipe and a positioning disc; ribs are arranged on the upper surface of the positioning disc; the outer edges of the ribs extend out of the outer edge of the positioning disc; the handle is inserted into theshaft sleeve and comprises a long rod arranged at the outer part of the shaft sleeve and a short rod arranged in the shaft sleeve; the end part of the short rod is provided with a second square groove; the fixed disc comprises a lower disc and an upper disc which are concentrically arranged; and the upper disc is hollow inside and is internally provided with a spring; an upper through hole is formed in the center of the upper wall of the upper disc; the outer edge of the upper through hole is provided with two symmetric square holes in a communicating manner; and the rotary shaft is arrangedin the shaft sleeve in a penetrating manner and comprises a middle circular shaft and square shafts on the two sides, wherein the square shaft on one side is arranged in a second square groove, and the square shaft on the other side penetrates through the fixed disc and extends into the rotary disc. For the button type anti-theft door handle provided by the invention, with a safety locking function, the situation that an external person opens a door lock with an unlocking tool through a cat eye hole for burglary can be avoided.

Description

technical field [0001] The invention relates to the technical field of household door handles, in particular to a button-type anti-theft door handle. Background technique [0002] Many families now have cat eyes on their security doors to facilitate the owner to observe the situation outside the door. Unexpectedly, this has become a loophole for thieves to enter the house. The thief can use the cat-eye peeping glass to check the interior decoration and personnel situation, and then unscrew the cat-eye insertion tool to open the security door. That is to say, someone can successfully open the security door in less than two minutes through the cat's eye. At present, most of the door handles used on the market are one inside and one outside, and they are used in pairs. The outdoor door handle can only be turned when the lock is opened to effectively open the entry door; while the indoor door handle is designed to be no matter what the door lock is. The door can be opened by t...

AI Technical Summary

Problems solved by technology

The second is to consider convenience, if the door lock that is opened from the inside to the outside is also designed as a form that is opened from the outside to the inside, every time the user has to unlock the door first through the key, etc., and then open the door, it will waste a lot of time and bring serious problems. big inconvenience

In view of these two reasons, the door lock is designed in the above-mentioned opening form, which increases the risk

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