Anti-theft structure of intelligent door lock

By introducing an electromagnet and a locking mechanism into the smart door lock, the safety hazards caused by a dead battery or circuit failure are resolved, achieving anti-theft functionality even in the event of a power outage, while maintaining a convenient opening method.

CN223647573UActive Publication Date: 2025-12-09SHENZHEN DAIMUKE CABINET LOCK HARDWARE CO LTD
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Patent Information

Application Number
CN202423233168.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-09
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

When the battery of an existing smart door lock is dead or there is a problem with the circuit, the mechanical key, as the only anti-theft structure, can be easily used by criminals to break into the room by touching the inner lock structure through gaps with foreign objects, resulting in security risks.

Method used

An anti-theft structure for a smart door lock was designed, including a locking component. It utilizes the cooperation of an electromagnet and a bolt to lock the door lock when energized by electromagnetic attraction. When the power is off, the bolt passes through the locking block to fix it, preventing foreign objects from touching it. It can be opened by manual operation.

Benefits of technology

When the smart door lock loses power or its circuit is damaged, the locking structure prevents criminals from breaking into the house and enhances security, while maintaining convenience during normal operation and making it easy to open manually.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of intelligent door locks, in particular to an anti-theft structure of an intelligent door lock, which comprises an unlocking component and is characterized in that a first fixing block is fixedly connected to the back of a door lock main body, a rotating rod is movably connected to the surface of the first fixing block, and a locking block protrudes from the side surface of the rotating rod; the side fixing plate is installed on an indoor door frame, the door lock body is installed on a door, and after the door is closed, a locking block protruding out of the side face of a rotating rod is attracted to the side face of an electromagnet; meanwhile, a bolt falls from the interior of an electromagnetic movable groove and penetrates through a locking block to lock the door lock body and the side fixing plate, after the intelligent door lock is powered off, due to the fact that a locking structure exists in the intelligent door lock, lawbreakers can be prevented from touching an inner lock structure of the door lock from a gap through foreign matter to enter a room, and the anti-theft performance of the electronic door lock is improved; and the safety of the intelligent door lock after power failure is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent door lock technical field, concretely is a kind of theftproof structure of intelligent door lock. BACKGROUND

[0002] Intelligent door lock is a kind of lock distinguished from traditional mechanical lock, with higher security, convenience and intelligent characteristics.It provides multiple identity verification methods by using non-mechanical key as user identification ID, such as magnetic card, radio frequency card, fingerprint lock and iris recognition, etc.

[0003] The existing intelligent door lock is provided with mechanical key, to avoid that intelligent door lock battery is not powered or circuit problem leads to not to open, only mechanical door lock as theftproof structure, lawbreaker can touch the inner lock structure of door lock from gap by foreign matter, to steal in house, bring security risk, for this, we propose a kind of theftproof structure of intelligent door lock. UTILITY MODEL CONTENTS

[0004] One of the technical problems to be solved by the present application is that the existing intelligent door lock is provided with mechanical key, to avoid that intelligent door lock battery is not powered or circuit problem leads to not to open, only mechanical door lock as theftproof structure, lawbreaker can touch the inner lock structure of door lock from gap by foreign matter, to steal in house, bring security risk.

[0005] To solve the above technical problems, the present application provides a theftproof structure of intelligent door lock, which includes a lock opening assembly, one end of the lock opening assembly is provided with a locking assembly, the locking assembly includes a door lock body and a side fixed plate, the back surface of the door lock body is fixedly connected with a first fixed block, the surface of the first fixed block is movably connected with a rotating rod, the side surface of the rotating rod protrudes with a locking block, and the surface of the side fixed plate is fixedly connected with a second fixed block.

[0006] In some embodiments, the second fixed block is symmetrically arranged about the side fixed plate, the top of the second fixed block is fixedly connected with an electromagnetic movable slot, and the inside of the electromagnetic movable slot is penetrated by a bolt.

[0007] In some embodiments, the lock opening assembly includes a connecting line, the top of the connecting line is fixedly connected with a cat eye, and the two bolts are fixedly connected to the middle and bottom of the connecting line respectively.

[0008] In some embodiments, the middle of the second fixed block is provided with a slot, and the side surface of the slot is fixedly connected with a return spring, one end of the return spring is fixedly connected with an electromagnet, and the inner cavity bottom of the second fixed block protrudes with a clamping groove.

[0009] In some embodiments, the surface of the electromagnet is arc-shaped, the side surface of the retractable locking block is fitted with the surface of the electromagnet, and the bolt is clamped in the inside of the clamping groove through the locking block and the electromagnet movable slot.

[0010] In some embodiments, the first fixed block and the rotating rod are symmetrically arranged relative to the door lock body, a first handle is fixedly connected between the two rotating rods, and a second handle is movably connected to the surface of the door lock body.

[0011] The utility model at least has following beneficial effects:

[0012] 1, the utility model discloses a side fixed plate is installed on the indoor door frame, because the door lock body is installed on the door, after closing the door, the locking block of the protruding side of the rotating rod is adsorbed on the side of the electromagnet, and the bolt falls from the inside of the electromagnet movable slot and penetrates the locking block to lock the door lock body and the side fixed plate, when the intelligent door lock is powered off, because there is locking structure inside, can avoid the illegal element to use the foreign matter and touch the inner locking structure of the door lock from the gap and enter the indoor, improve the anti-theft performance of electronic door lock, enhance the security of intelligent door lock after power failure.

[0013] 2, the utility model discloses that the electromagnet movable slot controls the lifting of the bolt through the internal electromagnetic attraction when the intelligent door lock is normally working, thereby controlling the locking structure of the locking block in the second fixed block, and the electromagnet arranged in the inside of the second fixed block is adsorbed on the locking block under the electrified state, so that the top bolt can fall down and fix the locking block, the closing of the door lock is convenient, and the convenience of the intelligent door lock in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is overall structure schematic diagram of the utility model;

[0015] Figure 2 It is back structure schematic diagram of the utility model;

[0016] Figure 3 It is locking assembly structure schematic diagram of the utility model;

[0017] Figure 4 It is local structure schematic diagram of the utility model;

[0018] Figure 5 It is the enlarged view of A of the utility model;

[0019] Figure 6 It is overall structure schematic diagram of the utility model embodiment 2;

[0020] Figure 7 It is back structure schematic diagram of the utility model embodiment 2.

[0021] In the figure: 1, unlocking assembly; 2, locking assembly; 11, bolt; 12, connecting line; 13, cat eye; 21, door lock main body; 22, first fixed block; 23, rotating rod; 24, locking block; 25, first handle; 26, side fixed plate; 27, electromagnetic movable slot; 28, second fixed block; 29, reset spring; 210, electromagnet; 211, clamping groove; 212, second handle; 214, movable rod; 215, doorbell. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1: please refer to Figures 1-5 The utility model provides a kind of technical solutions: the anti-theft structure of intelligent door lock, unlocking assembly 1 is provided with locking assembly 2 at one end of unlocking assembly 1, and locking assembly 2 includes door lock main body 21 and side fixed plate 26, and door lock main body 21 is authenticated to identity by multiple ways, including password, face recognition etc., and fingerprint identification is one of the most common ways, and identity authentication is carried out using the uniqueness and stability of fingerprint.

[0024] Please refer to Figures 1-5 Electromagnetic movable slot 27 is used to be installed on indoor door frame, and the part corresponding to door lock main body 21 is used to form anti-theft structure between door and door frame, and the back surface of door lock main body 21 is fixedly connected with first fixed block 22, the surface of first fixed block 22 is movably connected with rotating rod 23, the side of rotating rod 23 is protruded with locking block 24, the surface of side fixed plate 26 is fixedly connected with second fixed block 28, second fixed block 28 is symmetrically arranged about side fixed plate 26, the top of second fixed block 28 is fixedly connected with electromagnetic movable slot 27, bolt 11 is arranged in the inside of electromagnetic movable slot 27, one end of locking block 24 is provided with aperture, and electromagnetic movable slot 27 is used to control the lifting of bolt 11 when power on, bolt 11 can be fixed in the inside of second fixed block 28 by the end of locking block 24 penetrating locking block 24 after power off after intelligent door lock is closed, and door is locked to prevent theft, when intelligent door lock is powered on, magnetic force is generated in the inside, bolt 11 is adsorbed and lifted to make locking block 24 separate from the inside of second fixed block 28, so that intelligent door lock is normally opened.

[0025] Please refer to Figures 1-5The unlocking assembly 1 comprises a connecting line 12, a cat eye 13 fixedly connected to the top of the connecting line 12, two latches 11 fixedly connected to the middle and bottom of the connecting line 12 respectively, the latches 11 being made of metal material and capable of fixing a locking block 24 in the inside of a second fixing block 28 by penetrating the locking block 24 through an electromagnetic movable slot 27 to prevent theft of the intelligent door lock, the middle of the second fixing block 28 being provided with a slot, the side surface of the slot being fixedly connected with a return spring 29, one end of the return spring 29 being fixedly connected with an electromagnet 210, the surface of the electromagnet 210 being arc-shaped, the side surface of the retracting locking block 24 being fitted with the surface of the electromagnet 210, the electromagnet 210 being capable of adsorbing the locking block 24 to make the side surface of the locking block 24 fitted with the surface after being electrified through the return spring 29, so as to facilitate the fixing of the top latch 11.

[0026] Please refer to Figures 2-5 When the intelligent door lock is closed, the electromagnet 210 loses magnetism, at this time, the locking block 24 fitted with the side surface is fixed in the inside of the second fixing block 28 after being penetrated by the latch 11, when the door needs to be opened after power-off, the cat eye 13 connected to the connecting line 12 at the top of the latch 11 is pulled out of the inside of the mounting hole, the latch 11 is pulled out, the fixing effect of the latch 11 on the locking block 24 is cancelled, so that the door can be opened after the intelligent door lock is powered off or damaged, instead of directly penetrating the inside locking structure of the door lock from the gap to enter the room, the bottom of the inner cavity of the second fixing block 28 is provided with a clamping groove 211, the clamping groove 211 is used for clamping the bottom of the latch 11 to limit the position of the latch 11 and avoid being broken by external force, the latch 11 penetrates the locking block 24 and the electromagnetic movable slot 27 and is clamped in the inside of the clamping groove 211, the first fixing block 22 and the rotating rod 23 are symmetrically arranged about the door lock body 21, the first handle 25 is fixedly connected between the two rotating rods 23, and the surface of the door lock body 21 is movably connected with a second handle 212.

[0027] Please refer to Figures 2-5, by installing the side fixed plate 26 on the indoor door frame, since the door lock body 21 is installed on the door, the lock block 24 protruding on the side of the rotating rod 23 is adsorbed on the side of the electromagnet 210 after the door is closed, and the bolt 11 falls from the inside of the electromagnet movable slot 27 and penetrates the lock block 24 to lock the door lock body 21 and the side fixed plate 26, when the intelligent door lock is powered off, since the locking structure exists inside, the illegal person can be prevented from entering the room by using foreign matter to touch the inner locking structure of the door lock from the gap, and the electromagnet movable slot 27 controls the lifting of the bolt 11 through the internal electromagnetic attraction when the intelligent door lock is normally working, so as to control the locking structure of the lock block 24 inside the second fixed block 28, and the electromagnet 210 inside the second fixed block 28 adsorbs the lock block 24 in the powered state, so that the top bolt 11 can fall to fix the lock block 24, facilitating the closing of the door lock, and when the intelligent door lock is powered off or the circuit is damaged, the bolt 11 is pulled by the connecting wire 12 to separate from the inside of the lock block 24, so as to open the door lock.

[0028] Embodiment 2: see Figures 6-7 The utility model provides a technical scheme: a kind of anti-theft structure of intelligent door lock, including second fixed block 28, the top of second fixed block 28 is fixedly connected with electromagnet movable slot 27, electromagnet movable slot 27 is penetrated and is provided with bolt 11, the top of bolt 11 is fixedly connected with movable rod 214, movable rod 214 one end is fixedly connected with doorbell 215, when doorbell 215 is installed on door, can be set outside sliding groove, so that intelligent door lock can directly slide doorbell 215 in sliding groove and drive movable rod 214 to rise when being powered off or circuit is damaged, so that bolt 11 is separated from the inside of lock block 24 to open door lock, while carrying out anti-theft, when encountering accidental door lock and cannot be opened automatically, manually open anti-theft part, without disassembling parts, reduce loss.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A security structure of an intelligent door lock, comprising an unlocking assembly (1), characterized in that: One end of the lock opening component (1) is provided with a locking component (2); The locking component (2) comprises a door lock body (21) and a side fixed plate (26), the back of the door lock body (21) is fixedly connected with a first fixed block (22), the surface of the first fixed block (22) is movably connected with a rotating rod (23), the side of the rotating rod (23) is provided with a locking block (24), and the surface of the side fixed plate (26) is fixedly connected with a second fixed block (28).

2. The security structure of the intelligent door lock according to claim 1, characterized in that: The second fixed block (28) is symmetrically arranged about the side fixed plate (26), the top of the second fixed block (28) is fixedly connected with an electromagnetic movable groove (27), and the inside of the electromagnetic movable groove (27) is provided with a bolt (11).

3. The security structure of the intelligent door lock according to claim 2, characterized in that: The lock opening component (1) comprises a connecting line (12), the top of the connecting line (12) is fixedly connected with a cat eye (13), and the middle and bottom of the connecting line (12) are respectively fixedly connected with two bolts (11).

4. The security structure of the intelligent door lock according to claim 2, characterized in that: The middle of the second fixed block (28) is provided with a groove, and the side of the groove is fixedly connected with a return spring (29), one end of the return spring (29) is fixedly connected with an electromagnet (210), and the inner cavity bottom of the second fixed block (28) is provided with a clamping groove (211).

5. The security structure of the intelligent door lock according to claim 4, characterized in that: The surface of the electromagnet (210) is arc-shaped, the side of the retracting locking block (24) is fitted with the surface of the electromagnet (210), and the bolt (11) is clamped in the inside of the clamping groove (211) through the locking block (24) and the electromagnetic movable groove (27).

6. The security structure of the intelligent door lock according to claim 1, characterized in that: The first fixed block (22) and the rotating rod (23) are symmetrically arranged about the door lock body (21), the first handle (25) is fixedly connected between the two rotating rods (23), and the surface of the door lock body (21) is movably connected with a second handle (212).