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a security door lock
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A technology of safety door locks and deadbolts, applied in building locks, buildings, building structures, etc., can solve the problems of easy damage of the deadbolt, affecting the performance and service life of the door lock, and the impact of the deadbolt, so as to prevent damage, The effect of preventing the lock tongue from being damaged and scratching the door frame
Active Publication Date: 2017-10-17
WONLY SECURITY & PROTECTION TECH CO LTD
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Problems solved by technology
However, the actuating device described in this patent document has the following disadvantages: once the actuating device is triggered, the bolt member will be locked immediately after unlocking; It will not close in place at once, in which case the actuator will be triggered, but the bolt of the door lock will not be aligned with the bolt hole in the door frame, however the bolt member will still be unlocked and lock out immediately, Make the lock tongue collide with the door frame, resulting in damage to the lock tongue, affecting the performance and service life of the door lock, and the lock tongue is easy to damage and scratch the door frame
Method used
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Embodiment 1
[0058] Such as Figure 1-5 Shown, a kind of safety door lock of this embodiment, it comprises
[0059] The deadbolt member includes a deadbolt 4 arranged in the lock case and a deadbolt installation frame 5 for installing the deadbolt 4; wherein, the deadbolt member reciprocates along a direction perpendicular to the front panel of the lock case, It has a retracted state and a locked out state;
[0060] a locking mechanism for locking the tongue member in an extended or retracted state, which acts on a locking structure 14 on the tongue member; and
[0061] Drive the drive mechanism that is in the extended state and unlocked the lock tongue member to extend out of the lock housing to the locked state and the trigger mechanism that triggers the lock tongue member to automatically lock out;
[0062] The locking mechanism includes
[0063] Rotate the locking structure 14 installed on the locking tongue, the locking structure 14 is formed with a bent locking portion 18 toward o...
Embodiment 2
[0096] Such as Figure 6-14 As shown, on the basis of Embodiment 1, the driving mechanism of this embodiment also includes a handle structure, and the handle structure includes a handle shaft a1, a handle dial sleeved on the handle shaft a1 The moving part a2 and the handle driving part a3 that can retract the door lock under the drive of the handle toggle part a2; The first idle slot a4 in it; the other end of the handle driver a3 is provided with an arc gear a24; also includes
[0097] An intermediate gear mounted on the bottom plate or cover plate of the door lock, one side meshing with the arc gear a24; and
[0098] The unlocking rack a25 provided on the unlocking plate 19 and intermeshing with the other side of the intermediate gear, the length direction of the unlocking rack a25 is consistent with the locking and retracting direction of the lock tongue 4;
[0099] Rotate the handle shaft, the handle driving part a3 rotates under the action of the handle toggle part, th...
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Abstract
The invention discloses a safety door lock. The safety door lock is characterized in that a locking mechanism of the safety door lock comprises a locking structure, a locking bulge, a locking partial pressing part, an unlocking plate, an unlocking rack and a sliding partial pressing part, wherein the locking structure is rotatably arranged on a lock bolt; a bending locking part is formed at the end, facing the lock bolt, of the locking structure; the locking bulge is arranged on a door lock baseplate or a cover plate, and the length direction of the locking bulge is consistent with the sliding direction of the lock bolt member; the locking partial pressing part is used for applying locking partial pressing force to the locking structure to cause the locking structure to rotate toward the locking bulge; the unlocking plate is arranged on a lock bolt installing plate in a sliding manner; a containing cavity through which the locking structure passes and in which the locking structure is arranged is formed in the unlocking plate, and one installing shaft passes through the containing cavity to rotatably arrange the locking structure on the lock bolt installing plate; the unlocking rack is arranged on the unlocking plate and is matched with a driving mechanism; and the sliding partial pressing part is used for always applying sliding partial pressing force to the unlocking plate to cause the unlocking plate to slide toward the lock-out direction of the lock bolt member.
Description
technical field [0001] The invention relates to the field of door locks, in particular to a safety door lock. Background technique [0002] At present, the automatic locking mechanism of the mechanical lock after unlocking has been proposed. In the existing automatic locking mechanism, an actuating device of the locking control mechanism is provided to further control the locking movement of the bolt member. Chinese patent document CN201362993Y discloses an actuating device for controlling components in a lock-out control structure, which has an actuating rod arranged along a direction perpendicular to the panel of the lock case and a reset bias for resetting the actuating rod after completing the control action. The pressing part; the actuating lever is pivotally installed in the lock housing through a fulcrum; the actuating lever includes an actuating contact, a combining structure and a releasing structure. During use, when the door is closed, when the door leaf of the d...
Claims
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Application Information
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