Intelligent lock with anti-drilling function

By setting the friction force of the blocking rope and the drill bit in the smart lock to prevent the drill bit from rotating, combined with fingerprint recognition and mechanical key unlocking, the problem of anti-drilling hole in the smart lock is solved, and safe unlocking and anti-theft performance is improved in the power outage state.

CN223241231UActive Publication Date: 2025-08-19ZHONGSHAN BOLANMEI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422532507.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-08-19
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

The existing smart locks have insufficient anti-theft capabilities in drilling damage, and the drill bit can continue to affect the anti-theft performance after destroying the lock core structure.

Method used

A smart lock with anti-drilling function was designed. By setting a blocking rope in the lock body, the friction between the blocking rope and the drill bit is used to prevent the drill bit from rotating. Combined with the double unlocking method of fingerprint recognition module and mechanical key, it ensures that the lock body can be unlocked even when the power is off.

Benefits of technology

It effectively prevents the drill bit from rotating, protects the lock body, improves the anti-theft performance of the lock, ensures that it can still be unlocked in the event of power outage, and enhances safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223241231U_ABST
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Abstract

The utility model relates to the technical field of intelligent locks, in particular to an intelligent lock with an anti-drilling function, which comprises shells, a frame, a connecting rod and a stud, a lock body is arranged between the shells, the frame is arranged on one side of the inner wall of each shell, and the upper side and the lower side of the inner wall of each frame are provided with movable holes which are distributed in parallel at equal intervals. A connecting rod is arranged in the movable hole, a limiting block is installed on the outer wall of one end of the connecting rod, a stud is installed on the outer wall of the end, away from the limiting block, of the connecting rod, a clamping block is installed on one side of the outer wall of the lower end of the stud, and a stopping rope is arranged on the outer side of the clamping block and used for stopping a drill bit and preventing the drill bit from continuously rotating. The drill bit is prevented from being damaged by the drill bit, the anti-drilling purpose is achieved, the lock body can be protected, and the anti-theft performance of the lock is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of smart locks, and in particular to a smart lock with an anti-drilling function. Background Art

[0002] Smart locks are improvements on traditional mechanical locks, providing a more convenient user experience by adding intelligent features such as user identification, management, and security. They usually use non-mechanical keys as user identification IDs, such as biometric technologies such as fingerprints and irises, as well as radio frequency cards (such as IC cards and CPU cards). Thieves mainly use drilling to forcibly dismantle smart locks. The drilling method mainly uses an electric drill with an appropriate drill bit to drill holes in the lock core, thereby destroying the internal structure of the lock core and achieving the purpose of unlocking.

[0003] Publication number CN215803774U discloses an anti-drilling structure for a smart door lock and a smart door lock, comprising a door lock body and a first horizontal plate, wherein the first horizontal plate is fixedly connected to the middle of the front end face of the door lock body, and an anti-drilling device is installed on the upper part of the interior of the door lock body. The anti-drilling structure and the smart door lock of the smart door lock, through the mutual cooperation between the door lock body, the second horizontal plate, the infrared sensor, and the alarm, can detect foreign objects through the infrared sensor, alert security personnel and scare off thieves through the alarm, thereby achieving the purpose of anti-drilling. Through the mutual cooperation between the protective shell, display screen, texture, slide groove and slider, the protective shell can drive the slider to move in the slide groove, exposing the unlocking keypad, etc., while the protective shell can also protect the unlocking keypad, etc.

[0004] Although the prior art CN215803774U has many benefits during use, it still has the following problems: its anti-theft capability for the smart lock is not perfect. Although it can alarm, it still cannot block the drilling process of the drill bit, resulting in the drill bit continuing to damage the door lock, affecting the anti-theft performance of the door lock. Utility Model Content

[0005] In view of the problems in the prior art, the utility model provides a smart lock with an anti-drilling function.

[0006] The technical solution adopted by the utility model to solve its technical problems is a smart lock with an anti-drilling function, including a shell, a frame, a connecting rod and a stud, a lock body is arranged between the shells, a frame is arranged on one side of the inner wall of the shell, and movable holes equidistantly distributed in parallel are opened on the upper and lower sides of the inner wall of the frame, a connecting rod is arranged inside the movable hole, a limit block is installed on the outer wall of one end of the connecting rod, a stud is installed on the outer wall of the end of the connecting rod away from the limit block, a clamping block is installed on one side of the outer wall of the lower end of the stud, and a blocking rope is arranged on the outside of the clamping block.

[0007] By adopting the above technical solution, the outer shell is fixed to the outside of the door frame, and the lock body is installed inside the door frame, and the blocking rope can limit the winding of the drill bit.

[0008] Specifically, a door handle is rotatably mounted on an outer wall of one side of the shell, the door handle is connected to the lock body, and a fingerprint recognition module is embedded in the outer wall of one side of the door handle.

[0009] By adopting the above technical solution, the user presses the thumb on the surface of the fingerprint recognition module, and the fingerprint recognition module can collect the fingerprint of the finger and identify it through the control module built into the lock body, so that the lock body can be unlocked, and the locking state of the lock body can be adjusted. After that, the user manually rotates the door handle to unlock the lock body.

[0010] Specifically, connecting shafts are provided on both sides of the outer wall of the shell, and the two connecting shafts are distributed on the upper and lower sides of the lock body.

[0011] By adopting the above technical solution, the lock body is installed inside the door frame, and the shell is fixed to the outside of the door frame through the connecting shaft, thereby maintaining the stable positions of the shell and the lock body.

[0012] Specifically, a lock hole is provided on an outer wall of one side of the shell, and the lock hole corresponds to the position of the frame.

[0013] By adopting the above technical solution, the key can pass through the lock hole and enter the lock core inside the lock body.

[0014] Specifically, the outer wall of the frame is installed with fixing blocks distributed in a rectangular array, bolts are provided inside the fixing blocks, and the fixing blocks are connected to the inner wall of the shell through the bolts.

[0015] By adopting the above technical solution, the frame is fixed by bolts and fixing blocks, so that the position of the frame on the inner wall of the shell is kept stable.

[0016] Specifically, the limit block is located outside the frame, a spring is provided outside the connecting rod, and the limit block is elastically connected to the outer wall of the frame through the spring.

[0017] By adopting the above technical solution, the spring force pushes the limit block, which can keep the connecting rod relatively stable inside the movable hole, and the blocking rope can be straightened through the connecting rod to maintain the shape of the blocking rope.

[0018] Specifically, an extrusion block is provided on the outer wall of the barrier rope, the extrusion block is threadedly connected to the stud, and the outer wall of the clamping block and the inner wall of the extrusion block are both designed in a conical shape.

[0019] By adopting the above technical solution, the extrusion block can be fixed to the outside of the stud through threads, maintaining the extrusion force of the extrusion block on the barrier rope, and the barrier rope can be squeezed and fixed through the clamping block and the extrusion block, ensuring the stability of the connection between the barrier rope and the connecting rod.

[0020] Beneficial effects of the utility model:

[0021] (1) The utility model discloses a smart lock with anti-drilling function. The fingerprint recognition module can collect the fingerprint of the finger and recognize it through the control module built into the lock body, so that the lock body can be unlocked, and the locking state of the lock body can be adjusted. The key can pass through the frame, and the user can unlock the lock body by rotating the key, thereby achieving the purpose of electric control and mechanical control, and can be unlocked when the lock body is powered off.

[0022] (2) The utility model discloses an intelligent lock with an anti-drilling function. The friction force generated by the entanglement between the blocking rope and the drill bit blocks the drill bit, preventing the drill bit from continuing to rotate, causing the drill bit to become stuck, thereby preventing the drill bit from causing damage to the lock body, achieving the purpose of anti-drilling, being able to protect the lock body, and improving the anti-theft performance of the lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a schematic diagram of the appearance of the frame structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the appearance of the shell structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the housing structure of the present invention;

[0027] Figure 4 This is a schematic diagram of the appearance of the movable hole structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the exploded structure of the connecting rod of the present invention.

[0029] In the figure: 1. Shell; 11. Lock hole; 12. Door handle; 13. Lock body; 14. Connecting shaft; 15. Fingerprint recognition module; 2. Frame; 21. Fixed block; 22. Bolt; 23. Movable hole; 3. Connecting rod; 31. Limit block; 32. Spring; 33. Stud; 34. Clamping block; 35. Extrusion block; 36. Barrier rope. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0031] In order to save manpower and improve efficiency, as an embodiment of the present invention, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, the utility model describes an intelligent lock with an anti-drilling function, comprising a shell 1, a frame 2, a connecting rod 3 and a stud 33. A lock body 13 is arranged between the shells 1, a frame 2 is arranged on one side of the inner wall of the shell 1, and movable holes 23 with equal distance and parallel distribution are opened on the upper and lower sides of the inner wall of the frame 2. A connecting rod 3 is arranged inside the movable hole 23, and a limit block 31 is installed on the outer wall of one end of the connecting rod 3. A stud 33 is installed on the outer wall of the end of the connecting rod 3 away from the limit block 31. A clamping block 34 is installed on one side of the outer wall of the lower end of the stud 33, and a blocking rope 36 is arranged on the outside of the clamping block 34.

[0032] When in use, the housing 1 is fixed to the outside of the door frame, and the lock body 13 is installed inside the door frame, and the blocking rope 36 can restrict the winding of the drill bit.

[0033] To identify fingerprints, for example, Figure 2 As shown, a door handle 12 is rotatably mounted on the outer wall of one side of the housing 1 , the door handle 12 is connected to the lock body 13 , and a fingerprint recognition module 15 is embedded in the outer wall of one side of the door handle 12 .

[0034] When in use, the user presses the thumb on the surface of the fingerprint recognition module 15. The fingerprint recognition module 15 can collect the fingerprint of the finger and identify it through the control module built into the lock body 13, so that the lock body 13 can be unlocked, and the locking state of the lock body 13 can be adjusted. After that, the user manually rotates the door handle 12 to unlock the lock body 13.

[0035] In order to fix the housing 1, for example, Figure 2 As shown, connecting shafts 14 are provided on both sides of the outer wall of the shell 1 , and the two connecting shafts 14 are distributed on the upper and lower sides of the lock body 13 .

[0036] When in use, the lock body 13 is installed inside the door frame, and the shell 1 is fixed to the outside of the door frame through the connecting shaft 14, so that the positions of the shell 1 and the lock body 13 are kept stable.

[0037] For mechanical unlocking, for example, Figure 2 As shown, a lock hole 11 is opened on the outer wall of one side of the housing 1, and the lock hole 11 corresponds to the position of the frame 2.

[0038] When in use, the key can pass through the lock hole 11 and enter the lock core inside the lock body 13.

[0039] In order to fix the frame 2, for example, Figure 1 As shown, the outer wall of the frame 2 is installed with fixed blocks 21 distributed in a rectangular array, and bolts 22 are provided inside the fixed blocks 21. The fixed blocks 21 are connected to the inner wall of the shell 1 through the bolts 22.

[0040] When in use, the frame 2 is fixed by bolts 22 and fixing blocks 21 to keep the position of the frame 2 on the inner wall of the housing 1 stable.

[0041] In order to straighten the arresting rope 36, for example, Figure 1 As shown, the limit block 31 is located outside the frame 2 , a spring 32 is provided outside the connecting rod 3 , and the limit block 31 is elastically connected to the outer wall of the frame 2 via the spring 32 .

[0042] When in use, the elastic force of the spring 32 pushes the limit block 31, which can keep the connecting rod 3 relatively stable inside the movable hole 23, and the blocking rope 36 can be straightened through the connecting rod 3 to maintain the shape of the blocking rope 36.

[0043] In order to connect the barrier rope 36, for example, Figure 5 As shown, an extrusion block 35 is provided on the outer wall of the barrier rope 36, and the extrusion block 35 is threadedly connected to the stud 33. The outer wall of the clamping block 34 and the inner wall of the extrusion block 35 are both designed in a conical shape.

[0044] When in use, the extrusion block 35 can be fixed to the outside of the stud 33 through threads, maintaining the extrusion force of the extrusion block 35 on the blocking rope 36, and the blocking rope 36 can be squeezed and fixed through the clamping block 34 and the extrusion block 35, ensuring the stability of the connection between the blocking rope 36 and the connecting rod 3.

[0045] When the present invention is in use, the user holds the door handle 12 with the palm of his hand and presses the thumb on the surface of the fingerprint recognition module 15. The fingerprint recognition module 15 can collect the fingerprint of the finger and recognize it through the control module built into the lock body 13, so as to unlock the lock body 13 and adjust the locking state of the lock body 13. Then, the user manually rotates the door handle 12 to unlock the lock body 13.

[0046] The user manually takes the key and inserts it through the lock hole 11 into the lock core inside the lock body 13. The key can push open the blocking rope 36, and the blocking rope 36 can be deformed through the connecting rod 3, so that the key can pass through the frame 2. Since the key has a low rotation speed and a small number of rotations, the blocking rope 36 will not be entangled on the key surface. The user rotates the key to unlock the lock body 13, achieving the purpose of electric control and mechanical control, and can unlock the lock body 13 when the power is off.

[0047] The drill bit of the drill needs to pass through the lock hole 11 and be inserted into the lock body 13. When the drill bit is inside the frame 2, the drill bit contacts the blocking rope 36, and the spring 32 straightens the blocking rope 36, ensuring that the blocking rope 36 is in constant contact with the drill bit surface. Therefore, when the drill bit is driven to rotate by the drill, the blocking rope 36 is driven by the threaded chip grooves on the drill bit surface and the friction force, so that the blocking rope 36 is wrapped around the drill bit.

[0048] The movement of the blocking rope 36 can pull the connecting rod 3 to overcome the elastic force of the spring 32 and move until the limit block 31 squeezes the outer wall of the frame 2, restricting the movement of the blocking rope 36, and blocking the drill bit through the friction force generated by the entanglement between the blocking rope 36 and the drill bit, preventing the drill bit from continuing to rotate.

[0049] It should be noted that the present invention is a smart lock with an anti-drilling function. The components in the present invention are all components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0050] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A smart lock with anti-drilling function, characterized in that: The invention comprises a shell (1), a frame (2), a connecting rod (3) and a stud (33); a lock body (13) is arranged between the shell (1); a frame (2) is arranged on one side of the inner wall of the shell (1); movable holes (23) are equidistantly distributed in parallel on both upper and lower sides of the inner wall of the frame (2); a connecting rod (3) is arranged inside the movable hole (23); a limit block (31) is installed on the outer wall of one end of the connecting rod (3); a stud (33) is installed on the outer wall of the end of the connecting rod (3) away from the limit block (31); a clamping block (34) is installed on one side of the outer wall of the lower end of the stud (33); and a blocking rope (36) is arranged on the outer side of the clamping block (34).

2. The smart lock with anti-drilling function according to claim 1, characterized in that: A door handle (12) is rotatably mounted on an outer wall of one side of the housing (1); the door handle (12) is connected to a lock body (13); and a fingerprint recognition module (15) is embedded in an outer wall of one side of the door handle (12).

3. The smart lock with anti-drilling function according to claim 1, characterized in that: The outer walls on both sides of the shell (1) are provided with connecting shafts (14), and the two connecting shafts (14) are distributed on the upper and lower sides of the lock body (13).

4. The smart lock with anti-drilling function according to claim 1, characterized in that: A lock hole (11) is provided on an outer wall of one side of the housing (1), and the lock hole (11) corresponds to the position of the frame (2).

5. The smart lock with anti-drilling function according to claim 1, characterized in that: The outer wall of the frame (2) is mounted with fixed blocks (21) distributed in a rectangular array, bolts (22) are provided inside the fixed blocks (21), and the fixed blocks (21) are connected to the inner wall of the housing (1) via the bolts (22).

6. The smart lock with anti-drilling function according to claim 1, characterized in that: The limit block (31) is located outside the frame (2), a spring (32) is provided outside the connecting rod (3), and the limit block (31) is elastically connected to the outer wall of the frame (2) via the spring (32).

7. The smart lock with anti-drilling function according to claim 1, characterized in that: The outer wall of the barrier rope (36) is provided with an extrusion block (35), and the extrusion block (35) is threadedly connected to the stud (33). The outer wall of the clamping block (34) and the inner wall of the extrusion block (35) are both designed in a conical shape.

Citation Information

Patent Citations

  • Anti-drilling structure of intelligent door lock and intelligent door lock

    CN215803774U