Adjustable lock protection buckle

Abstract

The invention discloses an adjustable lock protection buckle. An adjusting opening is formed in the rear side of a door frame, and a rack plate and a driving gear which can drive an adjusting piece to vertically slide are arranged in an inner cavity of the door frame, so that the situations that a door leaf needs to be closed many times to observe whether a spring bolt is aligned with a spring bolt hole or not, the position of a spring bolt adjusting piece needs to be finely adjusted by means of experienced installation personnel, and the adjusting direction and the adjusting distance of the spring bolt adjusting piece need to be accurately mastered are avoided. According to the scheme, only one-time adjustment is needed, the driving gear is fixed, and the installation time can be shortened to a large extent; a first rotating cylinder is arranged at the tip end of the adopted spring bolt, after the spring bolt stretches into a spring bolt hole, the first rotating cylinder can stretch into a groove body in a rack plate to achieve matching, at the moment, the spring bolt plays a role in supporting and fixing the position of the rack plate, and during specific implementation, the rack plate or a driving gear does not need to be fixed with two hands, and the fixing operation can be completed by a single hand.

Description

technical field [0001] The invention relates to the technical field of door lock installation, in particular to an adjustable lock guard. Background technique [0002] At present, the anti-theft door locks on the market generally use non-adjustable locks. Once the locks are installed or processed, the active fan will either be difficult to unlock, or the active fan will shake inside and outside after the door is locked. Now In the existing technology, in order to solve the problem of laborious unlocking and easy shaking, the mold is used to design the flanging and forming, and the tightness of the door lock is adjusted after the flanging is used. During the adjustment process, it is necessary to use auxiliary tools to tap to achieve adjustment; [0003] In the prior art, an indoor door lock adjustment device (CN211949953U) was proposed on September 16, 2019, which can ensure that the door is successfully installed and debugged once and does not need to be repaired or replace...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an adjustable lock buckle, which can solve the problem that when adjusting the position of the deadbolt hole, it is necessary to close the door leaf many times to observe whether the deadbolt and the deadbolt hole are aligned, and it is necessary to rely on experienced installers to adjust the deadbolt adjustment piece. For fine-tuning the position of the lock bolt, it is necessary to accurately grasp the adjustment direction and adjustment distance of the lock tongue adjustment piece. There are many installation steps, and the adjustment accuracy needs to be judged by the experience accumulation of the installer, and the installation time is long.

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