Intelligent password fingerprint door lock

Abstract

The intelligent password fingerprint door lock comprises an inner door lock body and an outer door lock body which are symmetrically arranged, the outer door lock body is provided with an outer door handle, a partition plate connected with the inner wall of the outer door handle is arranged in the outer door handle, and a password fingerprint assembly connected with a shell of the outer door handle is arranged above the partition plate. A clutch assembly is arranged in the limiting clamping groove and the mounting groove in a penetrating mode, an electric unlocking assembly and a mechanical unlocking assembly are sequentially arranged in the mounting groove in the length direction of the outer door handle, and the electric unlocking assembly and the mechanical unlocking assembly are connected with the clutch assembly in an abutting mode. According to the intelligent door lock, the password fingerprint assembly, the clutch assembly, the electric unlocking assembly and the mechanical unlocking assembly are reasonably arranged in the outer door handle, so that the problem that a large amount of external space is occupied by a fingerprint recognition and password input plate in a traditional intelligent door lock is effectively solved, the overall size of the door lock is more compact, and the appearance is more concise and attractive; and the overall attractiveness and decoration of the door lock are improved.

Description

Technical Field

[0001] This utility model relates to the field of electronic lock technology, and in particular to an intelligent password fingerprint door lock. Background Technology

[0002] Traditional mechanical locks, through their physical structure design, have achieved basic locking and unlocking functions, providing people with basic security for a long time. However, with the rapid development of technology and the continuous changes in the social environment, the security and convenience of traditional mechanical locks have gradually become insufficient to meet the needs of modern society. In order to overcome the limitations of mechanical locks, electronic locks have been developed based on traditional door locks, achieving a safer and more convenient locking and unlocking method.

[0003] Based on the above, in the prior art, patent application number CN202320544539.8 discloses a smart door lock, including an inner door housing and an outer door housing. The outer door housing includes a handle assembly, an electronic input assembly, a locking assembly, and an electric control assembly. The electronic input assembly is electrically connected to the electric control assembly and drives the locking assembly to connect or disconnect from the handle assembly through the electric control assembly. The inner door housing includes a handle assembly, a locking assembly, and a manual operation assembly. The manual operation assembly drives the locking assembly to connect or disconnect from the handle assembly. The two handle assemblies are connected to the lock cylinder through a connecting shaft. By adopting the above technical solution, the outer door is unlocked electronically without mechanical unlocking, resulting in higher anti-theft security. The inner door is unlocked manually with mechanical control, eliminating the need for password or fingerprint unlocking, making it simple to use and convenient for escape. At the same time, compared with existing smart door locks, which are mostly used to directly control the opening and closing of the lock cylinder.

[0004] The above-mentioned handle assembly, electronic input assembly, locking assembly, and electric control assembly achieve higher anti-theft security performance. However, there are some shortcomings in practical applications. The electronic input assembly is set on the outer door housing, while the locking assembly and electric control assembly are both set inside the outer door housing. The fingerprint recognition and password input panel on the door lock shell will occupy a certain amount of space, which may make the overall size of the door lock too large, making it look more bulky and less sleek, thus reducing the overall aesthetic appeal of the door lock to some extent. Utility Model Content

[0005] To address the technical deficiencies in the background technology, this utility model proposes an intelligent password fingerprint door lock. To further solve the aforementioned technical problems and meet practical needs, the specific technical solution is as follows:

[0006] A smart password fingerprint door lock includes an inner door lock and an outer door lock arranged symmetrically. The outer door lock includes an outer lock shell, an outer pivot rotatably disposed inside the outer lock shell, and an outer door handle disposed outside the outer lock shell and movably connected to the outer pivot. The outer door handle has a partition connected to its inner wall inside. A password fingerprint assembly connected to the shell of the outer door handle is disposed above the partition. The outer door handle has a limiting slot and a mounting slot arranged sequentially below the partition. A clutch assembly is disposed through the limiting slot and the mounting slot. An electric unlocking assembly and a mechanical unlocking assembly are arranged sequentially along the length of the outer door handle inside the mounting slot. The electric unlocking assembly and the mechanical unlocking assembly are respectively abutted and connected to the clutch assembly.

[0007] Furthermore, the inner door lock includes an inner lock housing, an inner pivot rotatably disposed inside the inner lock housing, and an inner door handle disposed outside the inner lock housing and connected to the inner pivot.

[0008] Furthermore, the clutch assembly includes a clutch lever disposed in a limiting slot and a clutch bracket disposed in a mounting slot. One end of the clutch lever abuts against the clutch bracket. A return spring is provided in the limiting slot and movably sleeved on the outside of the clutch lever. The clutch lever is provided with a spring pressure plate that can slide within the limiting slot. One end of the return spring abuts against the spring pressure plate, and the other end of the return spring abuts against the inner wall of the limiting slot. The top of the outer rotating shaft is symmetrically provided with locking holes that can cooperate with the end of the clutch lever away from the spring pressure plate.

[0009] Furthermore, the electric unlocking assembly has a telescopic drive motor on one side of the clutch frame, the telescopic drive motor has a telescopic rod, one end of the telescopic rod is placed inside the clutch frame and in contact with the clutch frame.

[0010] Furthermore, the mechanical unlocking assembly includes a screw-in lock cylinder disposed at the end of the mounting groove, and push rods symmetrically disposed on the upper and lower sides of the clutch frame with one end connected to the screw-in lock cylinder. The screw-in lock cylinder has a keyhole on the outer door handle, and abutments are correspondingly disposed on the upper and lower sides of the clutch frame. The abutments abut against one end of the push rod.

[0011] Furthermore, the password fingerprint component includes a password panel, an integrated motherboard, and a fingerprint recognition module that is disposed at the front end of the password panel and connected to the integrated motherboard in sequence along the thickness direction of the outer door handle. The integrated motherboard is connected to a touch button, the position of which corresponds to the number position on the surface of the password panel. An indicator light ring is arranged around the fingerprint recognition module. The fingerprint recognition module, the touch button, the indicator light ring, and the integrated motherboard are electrically connected.

[0012] Furthermore, a battery is installed on the surface of the partition of the outer door handle, and a charging port electrically connected to the battery is installed inside the front end of the outer door handle. The integrated motherboard is electrically connected to the battery.

[0013] The beneficial effects of this utility model are as follows:

[0014] By rationally arranging the password / fingerprint components, clutch components, electric unlocking components, and mechanical unlocking components inside the outer door handle, the problem of fingerprint recognition and password input modules occupying a large amount of external space in traditional smart door locks is effectively avoided. This makes the overall size of the door lock more compact and the appearance more concise and beautiful, improving the overall aesthetics and decoration of the door lock. By integrating multiple functions such as password input, fingerprint recognition unlocking, and mechanical unlocking into the outer door handle, users can choose the unlocking method according to their actual needs, which not only meets the security needs of modern society but also provides a convenient user experience. Attached Figure Description

[0015] Figure 1 This is one of the three-dimensional structural schematic diagrams of this utility model.

[0016] Figure 2 This is the second three-dimensional structural schematic diagram of the present invention.

[0017] Figure 3 This is the third three-dimensional structural schematic diagram of this utility model.

[0018] Figure 4 This is one of the cross-sectional views of the internal structure of the outer door handle of this utility model.

[0019] Figure 5 This is the second sectional view of the internal structure of the outer door handle of this utility model.

[0020] Figure label:

[0021] 1-Inner door lock; 11-Inner lock housing; 12-Inner pivot; 13-Inner door handle;

[0022] 2-Outer door lock; 21-Outer lock housing; 22-Outer pivot; 221-Snap hole;

[0023] 23-Exterior door handle; 231-Limiting slot; 232-Mounting slot;

[0024] 24-Clutch assembly; 241-Clutch lever; 242-Return spring; 243-Spring pressure plate; 244-Clutch bracket; 245-Suppressor block;

[0025] 25-Electric unlocking assembly; 251-Telescopic drive motor; 252-Telescopic rod;

[0026] 26-Mechanical unlocking assembly; 261-Rotary lock cylinder; 262-Push rod; 263-Keyhole;

[0027] 27-Password / fingerprint component; 271-Password panel; 272-Integrated motherboard; 273-Touch button; 274-Battery; 275-Charging port; 276-Fingerprint recognition module; 277-Indicator light ring; 28-Blocker. Detailed Implementation

[0028] The embodiments of this utility model will be described below with reference to the accompanying drawings and related examples. The embodiments of this utility model are not limited to the following examples, and this utility model relates to relevant necessary components in this technical field, which should be regarded as well-known technology in this technical field and can be known and mastered by those skilled in this technical field.

[0029] like Figures 1 to 5 As shown, this utility model provides a technical solution: an intelligent password fingerprint door lock, including an inner door lock 1 and an outer door lock 2 symmetrically arranged. The outer door lock 2 includes an outer lock shell 21, an outer rotating shaft 22 rotatably disposed inside the outer lock shell 21, and an outer door handle 23 disposed outside the outer lock shell 21 and movably connected to the outer rotating shaft 22. The outer door handle 23 has a partition 28 connected to its inner wall inside. A password fingerprint component 27 connected to the shell of the outer door handle 23 is provided above the partition 28. The outer door handle 23 has a limiting slot 231 and a mounting slot 232 arranged sequentially below the partition 28. A clutch component 24 is disposed through the limiting slot 231 and the mounting slot 232. An electric unlocking component 25 and a mechanical unlocking component 26 are arranged sequentially along the length direction of the outer door handle 23 inside the mounting slot 232. The electric unlocking component 25 and the mechanical unlocking component 26 are respectively abutted and connected to the clutch component 24.

[0030] In the design of the outer door lock 2 of this utility model, the password fingerprint component 27, clutch component 24, electric unlocking component 25, and mechanical unlocking component 26 are all integrated inside the outer door handle 23. Through the reasonable separation by the partition 28, the functional independence of each component is ensured, making the overall door lock more compact and aesthetically pleasing. The electric unlocking component 25, through the interaction between the telescopic drive motor 251 and the telescopic rod 252 and the clutch frame 244, causes the clutch frame 244 to push the clutch lever 241 into the locking hole 221 at the top of the outer rotating shaft 22. This allows the outer door handle 23 to be linked with the outer rotating shaft 22. The user can rotate the outer rotating shaft 22 through the outer door handle 23, thereby opening the lock body inside the door and realizing the electric unlocking function. The mechanical unlocking component 26 retains the traditional... The design of the rotary lock cylinder 261 and keyhole 263 ensures that users can still unlock the door smoothly with the key in case of insufficient power or special circumstances, improving the emergency use safety and reliability of the door lock. The clutch lever 241, return spring 242, spring pressure plate 243 and clutch bracket 244 in the clutch assembly 24 work together to realize electric unlocking and mechanical unlocking. The setting of the return spring 242 ensures the stable sliding of the clutch lever 241 in the limit slot 231, improving the stability of the door lock during operation. At the same time, it can cooperate with the spring pressure plate 243 to push the clutch lever 241 back into the limit slot 231, so that the outer door handle 23 can lose linkage with the outer rotating shaft 22. At this time, the user cannot open the lock body inside the door by turning the outer door handle 23.

[0031] The password and fingerprint component 27 of this utility model integrates a password panel 271, an integrated motherboard 272, a fingerprint recognition module 276, a touch button 273, and an indicator light ring 277. It supports both password input and fingerprint recognition for unlocking, improving the intelligence level of the door lock. The correspondence between the fingerprint recognition module 276 and the touch button 273, as well as the intuitive feedback of the indicator light ring 277, makes user operation more convenient and intuitive. The battery 274 and charging port 275 installed inside the outer door handle 23 provide users with a convenient charging method, ensuring the power supply of the door lock during long-term use.

[0032] As one of the preferred embodiments of this utility model, such as Figures 1 to 3 As shown, the inner door lock 1 includes an inner lock housing 11, an inner rotating shaft 12 rotatably disposed inside the inner lock housing 11, and an inner door handle 13 disposed outside the inner lock housing 11 and connected to the inner rotating shaft 12.

[0033] The inner door lock 1 achieves locking and unlocking control inside the door lock through the coordinated work of the inner lock shell 11, the inner rotating shaft 12 and the inner door handle 13. When the user needs to open the door from the inside, he can directly operate the inner door handle 13, and drive the lock body inside the door to open by rotating the inner rotating shaft 12, thereby unlocking and opening the door.

[0034] As one of the preferred embodiments of this utility model, such as Figure 4 and Figure 5 As shown, the clutch assembly 24 includes a clutch lever 241 disposed in a limiting slot 231 and a clutch bracket 244 disposed in a mounting slot 232. One end of the clutch lever 241 abuts against the clutch bracket 244. A return spring 242 is provided in the limiting slot 231 and is movably sleeved on the outside of the clutch lever 241. The clutch lever 241 is provided with a spring pressure plate 243 that can slide within the limiting slot 231. One end of the return spring 242 abuts against the spring pressure plate 243, and the other end of the return spring 242 abuts against the inner wall of the limiting slot 231. The top of the outer rotating shaft 22 is symmetrically provided with locking holes 221 that can cooperate with the end of the clutch lever 241 away from the spring pressure plate 243.

[0035] The clutch assembly 24 is used to realize the linkage and unlocking functions of the door lock. Specifically, when the electric unlocking assembly 25 or the mechanical unlocking assembly 26 is activated, it will drive the clutch bracket 244 to move. The movement of the clutch bracket 244 will then push the clutch lever 241, so that it can accurately push into the locking hole 221 at the top of the outer rotating shaft 22. When the clutch lever 241 is successfully locked into the locking hole 221, the outer door handle 23 and the outer rotating shaft 22 will form a linkage relationship. At this time, the user only needs to turn the outer door handle 23 gently, and the rotation of the outer rotating shaft 22 will drive the mechanical structure inside the door lock, thereby realizing the opening of the door lock.

[0036] After the electric unlocking component 25 or the mechanical unlocking component 26 is reset, the return spring 242 will quickly return to its original shape and push the clutch lever 241 from the locking hole 221 back into the limiting slot 231. During this process, the elasticity of the return spring 242 ensures that the clutch lever 241 can quickly and accurately return to its original position, thereby causing the outer door handle 23 to lose its linkage with the outer rotating shaft 22. When the clutch lever 241 returns to the limiting slot 231, even if the user tries to turn the outer door handle 23, it will no longer be able to drive the internal mechanical structure of the door lock through the outer rotating shaft 22. This effectively prevents the risk of illegal intruders damaging the door lock by violent means and forcibly entering the room, thus ensuring the security and stability of the door lock.

[0037] As one of the preferred embodiments of this utility model, such as Figure 4 and Figure 5 As shown, the electric unlocking assembly 25 has a telescopic drive motor 251 on one side of the clutch frame 244. The telescopic drive motor 251 has a telescopic rod 252. One end of the telescopic rod 252 is placed inside the clutch frame 244 and abuts against the clutch frame 244.

[0038] The electric unlocking assembly 25 uses electricity to open the door lock. Specifically, when the user enters the correct password or successfully recognizes the fingerprint through the password / fingerprint assembly 27, the integrated motherboard 272 sends an unlocking signal to the electric unlocking assembly 25. At this time, the telescopic drive motor 251 receives the signal and starts, driving the telescopic rod 252 inside to telescopically extend and retract. One end of the telescopic rod 252 is in contact with the clutch bracket 244. Therefore, when the telescopic rod 252 extends, it pushes the clutch bracket 244 to move. The movement of the clutch bracket 244 in turn pushes the clutch lever 241, allowing it to accurately engage with the locking hole 221 at the top of the outer rotating shaft 22. Once the clutch lever 241 successfully engages with the locking hole 221, the outer door handle 23 and the outer rotating shaft 22 form a linkage relationship. The user only needs to gently turn the outer door handle 23 to drive the internal mechanical structure of the door lock through the rotation of the outer rotating shaft 22, thereby opening the door lock.

[0039] As one of the preferred embodiments of this utility model, such as Figure 4 and Figure 5 As shown, the mechanical unlocking assembly 26 includes a screw-in lock cylinder 261 disposed at the end of the mounting groove 232, and push rods 262 symmetrically disposed on the upper and lower sides of the clutch frame 244 and connected at one end to the screw-in lock cylinder 261. The screw-in lock cylinder 261 has a keyhole 263 on the outer door handle 23. The upper and lower sides of the clutch frame 244 are respectively provided with abutments 245, and the abutments 245 abut against one end of the push rod 262.

[0040] The mechanical unlocking component 26 provides a backup unlocking method for the door lock. In special circumstances such as insufficient power supply, failure of the password / fingerprint component 27, or the user forgetting the password, the user can unlock the door lock using the traditional key unlocking method, that is, by using the mechanical unlocking component 26.

[0041] The mechanical unlocking assembly 26, through the close cooperation of components such as the rotary lock cylinder 261, push rod 262, and clutch bracket 244, realizes the linkage and unlocking functions of the door lock. When the user inserts the key into the keyhole 263 and turns it, the rotary lock cylinder 261 will rotate accordingly and push the push rod 262 to move. The movement of the push rod 262 will then push the clutch bracket 244, so that the clutch bracket 244 can push the clutch lever 241 into the locking hole 221 at the top of the outer rotating shaft 22. When the clutch lever 241 is successfully locked into the locking hole 221, the outer door handle 23 and the outer rotating shaft 22 form a linkage relationship. At this time, the user only needs to turn the outer door handle 23 gently, and the rotation of the outer rotating shaft 22 will drive the mechanical structure inside the door lock, thereby realizing the opening of the door lock.

[0042] As one of the preferred embodiments of this utility model, such as Figure 4 and Figure 5As shown, the password fingerprint assembly 27 includes a password panel 271, an integrated motherboard 272, and a fingerprint recognition module 276 that is disposed at the front end of the password panel 271 and connected to the integrated motherboard 272. The integrated motherboard 272 is connected to a touch button 273, the position of which corresponds to the number position on the surface of the password panel 271. An indicator light ring 277 is arranged around the fingerprint recognition module 276. The fingerprint recognition module 276, the touch button 273, the indicator light ring 277 are electrically connected to the integrated motherboard 272.

[0043] In the internal structure of the outer door handle 23, a battery 274 is installed on the surface of the partition 28, and a charging port 275 electrically connected to the battery 274 is installed inside the front end of the outer door handle 23. The integrated motherboard 272 is electrically connected to the battery 274.

[0044] The password panel 271 provides an interface for users to enter their passwords, with numbers or symbols marked on its surface. The touch button 273 is a capacitive touch button, and the touch button 273 corresponds to the number positions on the surface of the password panel 271. Users can enter their passwords by using the password panel 271 and the touch button 273 together, which simultaneously triggers the password unlocking unit of the integrated motherboard 272. The integrated motherboard 272 acts as the control center of the components, responsible for processing signals from the password panel 271, the fingerprint recognition module 276, and the touch button 273, and controlling the opening of the door lock. The fingerprint recognition module 276 is used to collect the user's fingerprint information and compare it with pre-stored fingerprint data to verify the user's identity. The user triggers the fingerprint unlocking unit of the integrated motherboard 272 by pressing their fingertip on the fingerprint recognition module 276. The indicator light ring 277 is used to provide operation feedback, such as light prompts when fingerprint recognition is successful or unsuccessful.

[0045] When a user needs to enter a password to unlock the door, they will first touch the numbers or symbols on the password panel 271. These touch actions will be converted into electrical signals and transmitted to the integrated motherboard 272. After receiving the signal, the integrated motherboard 272 will verify the password. If the entered password matches the pre-stored correct password, the integrated motherboard 272 will send an unlocking signal to the telescopic drive motor 251 inside the outer door handle 22. Then, the telescopic drive motor 251 will drive the clutch assembly 24 to work in conjunction with the outer rotating shaft 23 through the telescopic rod 252, thereby performing the door opening operation.

[0046] When a user selects fingerprint recognition to unlock the door, they place their finger on the fingerprint recognition module 276. The fingerprint recognition module 276 collects the user's fingerprint information and compares it with the fingerprint data pre-stored in the integrated motherboard 272. If the fingerprint comparison is successful, the integrated motherboard 272 will also send an unlocking signal to the door lock's drive mechanism.

[0047] During password input or fingerprint recognition, the indicator light ring 277 provides intuitive light feedback based on the operation status. When fingerprint recognition is successful or the password is entered correctly, the indicator light ring 277 will light up green; when fingerprint recognition fails or the password is entered incorrectly, it will light up red to remind the user.

[0048] The battery 274 installed inside the outer door handle 23 provides power to the password fingerprint component 27. The battery 274 is connected to an external power source through the charging port 275, and the user can charge the battery 274 when needed.

[0049] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A smart password fingerprint door lock, comprising an inner door lock (1) and an outer door lock (2) symmetrically arranged, characterized in that, The outer door lock (2) includes an outer lock shell (21), an outer pivot (22) rotatably disposed inside the outer lock shell (21), and an outer door handle (23) disposed outside the outer lock shell (21) and movably connected to the outer pivot (22). The outer door handle (23) is provided with a partition (28) connected to its inner wall. Above the partition (28) is a password fingerprint component (27) connected to the shell of the outer door handle (23). The outer door handle (23) is provided with a limiting slot (231) and a mounting slot (232) in sequence below the partition (28). A clutch component (24) is provided through the limiting slot (231) and the mounting slot (232). An electric unlocking component (25) and a mechanical unlocking component (26) are provided in sequence along the length direction of the outer door handle (23) inside the mounting slot (232). The electric unlocking component (25) and the mechanical unlocking component (26) are respectively abutted and connected to the clutch component (24).

2. The intelligent password fingerprint door lock according to claim 1, characterized in that, The inner door lock (1) includes an inner lock shell (11), an inner pivot (12) rotatably disposed inside the inner lock shell (11), and an inner door handle (13) disposed outside the inner lock shell (11) and connected to the inner pivot (12).

3. The intelligent password fingerprint door lock according to claim 1, characterized in that, The clutch assembly (24) includes a clutch lever (241) disposed in a limiting slot (231) and a clutch bracket (244) disposed in a mounting slot (232). One end of the clutch lever (241) abuts against the clutch bracket (244). A return spring (242) is provided in the limiting slot (231) and is movably sleeved on the outside of the clutch lever (241). The clutch lever (241) is provided with a spring pressure plate (243) that can slide within the limiting slot (231). One end of the return spring (242) abuts against the spring pressure plate (243), and the other end of the return spring (242) abuts against the inner wall of the limiting slot (231). The top of the outer rotating shaft (22) is symmetrically provided with locking holes (221) that can cooperate with the end of the clutch lever (241) away from the spring pressure plate (243).

4. The intelligent password fingerprint door lock according to claim 3, characterized in that, The electric unlocking assembly (25) has a telescopic drive motor (251) on one side of the clutch frame (244). The telescopic drive motor (251) is equipped with a telescopic rod (252). One end of the telescopic rod (252) is placed inside the clutch frame (244) and abuts against the clutch frame (244).

5. A smart password fingerprint door lock according to claim 3, characterized in that, The mechanical unlocking assembly (26) includes a screw-in lock cylinder (261) located at the end of the mounting groove (232) and a push rod (262) symmetrically arranged on the upper and lower sides of the clutch frame (244) and connected to the screw-in lock cylinder (261) at one end. The screw-in lock cylinder (261) has a keyhole (263) on the outer door handle (23). The upper and lower sides of the clutch frame (244) are respectively provided with abutments (245), and the abutments (245) abut against one end of the push rod (262).

6. The intelligent password fingerprint door lock according to claim 1, characterized in that, The password fingerprint assembly (27) includes a password panel (271), an integrated motherboard (272), and a fingerprint recognition module (276) that is disposed at the front end of the password panel (271) and connected to the integrated motherboard (272). The integrated motherboard (272) is connected to a touch button (273). The position of the touch button (273) corresponds to the position of the numbers on the surface of the password panel (271). An indicator light ring (277) is arranged around the fingerprint recognition module (276). The fingerprint recognition module (276), the touch button (273), the indicator light ring (277) are electrically connected to the integrated motherboard (272).

7. A smart password fingerprint door lock according to claim 6, characterized in that, The outer door handle (23) has a battery (274) installed on the surface of the partition (28). The front end of the outer door handle (23) has a charging port (275) that is electrically connected to the battery (274). The integrated motherboard (272) is electrically connected to the battery (274).

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