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An anti-theft opening mechanism for automatic door locks

An opening mechanism and automatic lock technology, which can be applied to building locks, building structures, buildings, etc., and can solve problems such as lock tongues that cannot be unlocked normally

Active Publication Date: 2018-07-24
WONLY SECURITY & PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For this reason, the technical problem to be solved by the present invention is that the deadbolt of the automatic lock in the prior art cannot be unlocked normally after being retracted under abnormal circumstances, and then provide a lock that can Automatic lock with normal unlock

Method used

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  • An anti-theft opening mechanism for automatic door locks
  • An anti-theft opening mechanism for automatic door locks
  • An anti-theft opening mechanism for automatic door locks

Examples

Experimental program
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Embodiment 1

[0031] Figure 1-4Shown is a schematic structural diagram of the anti-theft opening mechanism used in the automatic lock described in this embodiment, including a resisting part 1, a locking part 2 and an unlocking part 3, and a stopper is provided in linkage with the unlocking part 3 Part 4, the unlocking part 3 and the stopper 4 in this embodiment are combined into one to become an unlocking pin 34; the conflicting part 1 is fixed on the lock housing 7, and the conflicting part 1 in this embodiment 1 is a stamped section with the bottom of the lock case 7 turned upward; the locking part 2 is movably arranged on the transmission main body part 8 fixedly connected with the lock tongue member 5, and passes through the engaging edge 24 of the locking part 2 Engagement with the contradictory piece 1 produces a tendency to prevent the unlocking movement of the bolt member 5; the unlocking pin 34 is reciprocally slidably arranged on the transmission body part 8 along the direction ...

Embodiment 2

[0042] Figure 7 Shown is the anti-theft opening mechanism for automatic locks described in this embodiment, including a conflicting member 1, a locking member 2 and an unlocking member 3, the conflicting member 1 is fixed on the lock case 7, in this embodiment The conflicting piece 1 is a stamped section with the bottom of the lock case 7 turned upward; the locking part 2 is movably arranged on the transmission main body part 8 fixedly connected with the lock tongue member 5, through which the locking part 2 The engagement of the engaging edge 24 of the contact member 1 with the blocking member 1 produces a tendency to prevent the unlocking movement of the bolt member 5; the unlocking member 3 is reciprocally slidably arranged on the transmission body part 8 along the direction in which the bolt extends, And driven by the unlocking force output part 6 of the lock head 9, the unlocking force output part 6 in this embodiment is a rack; the unlocking part 3 moves along the slidi...

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Abstract

The invention relates to a lock tool, in particular to an antitheft opening mechanism used for an automatic door lock. The mechanism comprises a collision part, a clamping part and an unlocking part; when locked moving is unlocked, any point of the engaging edge protrudes out of any point of the front side on the locked moving unlocking path in a manner that the point does not face the direction of the collision part; the clamping component is further provided with a blocking portion; the unlocking part is provided with a stopping block part in a linked manner; under the locking state, the blocking portion abuts against the stopping block part to stop moving of the clamping part on the locked moving unlocking path. In order to solve the technical problem that in the prior art, a spring bolt of the automatic lock retracts under the abnormal condition, and unlocking cannot be normally carried out, an automatic lock which can be still normally unlocked even if the spring bolt retreats abnormally is further provided.

Description

technical field [0001] The invention relates to a lock. Specifically, it relates to an anti-theft opening mechanism for automatic door locks. Background technique [0002] Automatic locks are usually installed on anti-theft doors, and are widely used due to advantages such as safety and ease of use. [0003] In order to prevent abnormal opening, such as preventing thieves from inserting a card into the door gap to unlock, it is required that the lock tongue will not be pressed back after the automatic lock can withstand a certain end load. In order to solve this technical problem, Chinese patent document CN2849063Y discloses an automatic door lock , which discloses an anti-theft opening mechanism, the anti-theft opening mechanism includes a locking part that is movably arranged on a transmission body part that is fixedly connected with a lock tongue member, and the locking part is on a locking bias member Under the action of the biasing force of the torsion spring, it can ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B15/00E05B15/12E05B63/14
CPCE05B15/00E05B63/146
Inventor 吕策
Owner WONLY SECURITY & PROTECTION TECH CO LTD
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