External intelligent door lock

Abstract

The utility model discloses an external intelligent door lock, which comprises a steering engine and a control box, a same door plate is fixedly arranged between the steering engine and the control box, a plurality of bolts are connected among the steering engine, the control box and the door plate, a circuit board is arranged in the control box, and the control box is connected with the control box. A biological recognition module, an NFC module, a timing module, an Internet of Things module and a relay are sequentially arranged on one side of the circuit board, the biological recognition module, the NFC module, the timing module and the Internet of Things module are electrically connected with the relay through wires, and the steering engine is electrically connected with the relay through a wire. According to the external intelligent door lock, the steering engine and the control box are arranged, the unlocking mode of a modern external intelligent door lock is changed, intelligentization is conducted on an original lock body, the original lock body does not need to be replaced, a traditional intelligent lock usually needs to be installed by damaging a door lock body, the door lock body is not needed to be replaced, and the door lock body is not needed to be replaced. And lossless installation of the external intelligent module is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of smart home, in particular to an external smart door lock. Background Art

[0002] Door locks, as the name implies, are devices used to lock doors to prevent others from opening them. There are many types of door locks, and the requirements for door locks are different in different occasions. Ordinary families generally use anti-theft door locks, which are highly secure and relatively cheap. With the development of society, some external smart door locks such as magnetic card unlocking and fingerprint unlocking have appeared on the market.

[0003] External smart door locks on the market usually require replacement of the lock body to achieve intelligence, and are difficult to repair. If damaged, the lock body must be removed and sent for repair. During the repair period, the door lock will not be able to be used normally, and usually an installer needs to come to the door to install it, which is difficult to install. Utility Model Content

[0004] The purpose of the utility model is to provide an external intelligent door lock to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an external intelligent door lock, including a servo and a control box, characterized in that: the same door panel is fixedly installed between the servo and the control box, a plurality of bolts are connected between the servo, the control box and the door panel, a circuit board is arranged inside the control box, a biometric module, an NFC module, a timing module, an Internet of Things module and a relay are arranged on one side of the circuit board in sequence, the biometric module, the NFC module, the timing module and the Internet of Things module are all electrically connected through wires and relays, and the servo is electrically connected through wires and relays.

[0006] As a further preferred embodiment of the present technical solution, an NFC sensing terminal and a fingerprint sensing terminal are provided on an outer wall of one side of the control box, and the NFC sensing terminal and the fingerprint sensing terminal are electrically connected to the biometric recognition module and the NFC module respectively through wires.

[0007] External smart door locks change the unlocking method of modern external smart door locks. It is intelligentized on the original lock body without replacing the original lock body. Traditional smart locks usually need to destroy the door lock body for installation, while our external smart module realizes lossless installation without affecting the original door lock structure. The modular design makes maintenance more convenient. Users only need to replace the damaged module without replacing the lock body as a whole, reducing the maintenance cost and difficulty. Through cloud connection, users can use mobile phone applications to remotely unlock anytime and anywhere, which is convenient and flexible to adapt to the diverse needs of modern life. The external smart module supports integration with smart home systems and linkage with other smart devices, such as smart doorbells, cameras, etc., to improve the overall performance of the entire smart home system. After the biometric module or NFC module passes the verification, it sends a signal to the relay. The relay contacts, the timing module starts timing, and the servo drive is connected to drive the servo to rotate. The mobile phone or smart switch sends a signal to the Internet of Things module. After the verification is successful, it sends a signal to the relay. The relay contacts, the timing module starts timing, and the servo drive is connected to drive the servo to rotate.

[0008] As a further preferred embodiment of the present technical solution, a lock body is installed inside the door panel, and a same connecting component is installed between the servo output end and the lock body.

[0009] As a further preferred embodiment of the present technical solution, the connecting assembly includes a ring sleeved on the outside of the lock body handle, an outer wall on one side of the ring is threadedly connected to a screw, and the outer wall at the bottom of the screw and the output end of the servo are fixedly connected with the same connecting rope.

[0010] When installing the servo, make sure the moving direction of the connecting rope at the servo output end is consistent with the moving direction of the handle or latch. Then put the ring on the outside of the lock handle, and then turn the screw so that one end of it is close to the outer wall of the handle. Under the action of friction, the ring and the handle will be tightly connected. The servo drives the connecting rope to pull the door handle or latch to open the door.

[0011] As a further preferred embodiment of the present technical solution, a hook plate is fixedly connected to the top of the outer wall at one end of the ring, and one end of the hook plate is fitted with the bent end of the lock body handle.

[0012] As a further preferred embodiment of the present technical solution, the lead angle of the screw thread groove is smaller than the equivalent friction angle.

[0013] The utility model provides an external intelligent door lock, which has the following beneficial effects:

[0014] (1) The utility model changes the unlocking method of modern external smart door locks by setting a servo and a control box. The intelligentization is performed on the original lock body without replacing the original lock body. Traditional smart locks usually need to destroy the door lock body for installation, while our external smart module realizes lossless installation without affecting the original door lock structure. The modular design makes maintenance more convenient. Users only need to replace the damaged module without replacing the lock body as a whole, which reduces the maintenance cost and difficulty. Through cloud connection, users can use mobile phone applications to remotely unlock the door anytime and anywhere, which is convenient and flexible and adapts to the diverse needs of modern life. The external smart module supports integration with smart home systems and linkage with other smart devices, such as smart doorbells, cameras, etc., to improve the comprehensive performance of the entire smart home system. After the biometric module or NFC module is verified, it sends a signal to the relay, the relay contacts, the timing module starts timing, the servo drive is turned on to drive the servo to rotate, and the mobile phone or smart switch sends a signal to the Internet of Things module. After the verification is successful, it sends a signal to the relay, the relay contacts, the timing module starts timing, and the servo drive is turned on to drive the servo to rotate.

[0015] (2) The utility model sets a connection component. When the servo is installed, the movement direction of the connection rope at the output end of the servo is consistent with the movement direction of the handle or the latch. Then, the ring is put on the outside of the lock handle, and the screw is turned so that one end of it is close to the outer wall of the handle. Under the action of friction, the ring and the handle are tightly connected. The servo drives the connection rope to pull the door handle or the latch to open the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the internal structure of the control box of the utility model;

[0019] Figure 4 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] In the figure: 1. door panel; 2. lock body; 3. servo; 4. control box; 5. connection component; 401. circuit board; 402. biometric module; 403. NFC module; 404. timing module; 405. Internet of Things module; 406. relay; 407. NFC sensing end; 408. fingerprint sensing end; 501. ring; 502. screw; 503. connecting rope; 504. hook plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, the external smart door lock includes a servo 3 and a control box 4, and is characterized in that: the same door panel 1 is fixedly installed between the servo 3 and the control box 4, and multiple bolts are connected between the servo 3, the control box 4 and the door panel 1. A circuit board 401 is arranged inside the control box 4, and a biometric module 402, an NFC module 403, a timing module 404, an Internet of Things module 405 and a relay 406 are sequentially arranged on one side of the circuit board 401. The biometric module 402, the NFC module 403, the timing module 404 and the Internet of Things module 405 are all electrically connected to the relay 406 through wires, and the servo 3 is electrically connected to the relay 406 through wires.

[0023] like Figure 2 As shown, an NFC sensing terminal 407 and a fingerprint sensing terminal 408 are provided on the outer wall of one side of the control box 4. The NFC sensing terminal 407 and the fingerprint sensing terminal 408 are electrically connected to the biometric module 402 and the NFC module 403 respectively through wires. The operation of the external control device can be realized through the NFC sensing terminal 407 and the fingerprint sensing terminal 408.

[0024] After the biometric module 402 or the NFC module 403 passes the verification, it sends a signal to the relay 406, the relay 406 contacts, the timing module 404 starts timing, the servo 3 is driven to turn on to drive the servo 3 to rotate, the servo 3 drives the connecting rope 503 to pull the door handle or the latch to open the door, the timing ends, the relay 406 is disconnected, the servo 3 stops rotating to complete a door opening action, the mobile phone or smart switch sends a signal to the Internet of Things module 405, and after the verification is successful, it sends a signal to the relay 406, the relay 406 contacts, the timing module 404 starts timing, the servo 3 is driven to turn on to drive the servo 3 to rotate, the servo 3 drives the connecting rope 503 to pull the door handle or the latch to open the door, the timing ends, the relay 406 is disconnected, and the servo 3 stops rotating to complete a door opening action.

[0025] like Figure 1 and Figure 4 As shown, a lock body 2 is installed inside the door panel 1, and a same connecting component 5 is installed between the output end of the servo 3 and the lock body 2.

[0026] The connecting assembly 5 comprises a collar 501 sleeved on the outside of the handle of the lock body 2 , a screw rod 502 is threadedly connected to the outer wall of one side of the collar 501 , and a connecting rope 503 is fixedly connected to the outer wall at the bottom of the screw rod 502 and the output end of the steering gear 3 .

[0027] A hook plate 504 is fixedly connected to the top of the outer wall at one end of the ring 501 , and one end of the hook plate 504 fits with the bent end of the handle of the lock body 2 , which can further increase the stability of the position of the ring 501 .

[0028] When installing the servo 3, the moving direction of the connecting rope 503 at the output end of the servo 3 is made consistent with the moving direction of the handle or the latch, and then the ring 501 is put on the outside of the handle of the lock body 2, and then the screw 502 is rotated so that one end of it is close to the outer wall of the handle, and then under the action of friction, the ring 501 and the handle will be tightly connected.

[0029] like Figure 4 As shown, the thread lead angle of the thread groove of the screw rod 502 is smaller than the equivalent friction angle, which can prevent the connection state of the screw rod 502 from being arbitrarily changed due to external force.

[0030] The utility model provides an external intelligent door lock, and the specific working principle is as follows:

[0031] When the device is working, the biometric module 402 or the NFC module 403 sends a signal to the relay 406 after verification, the relay 406 contacts, the timing module 404 starts timing, the steering gear 3 is driven to turn on to drive the steering gear 3 to rotate, the steering gear 3 drives the connecting rope 503 to pull the door handle or latch to open the door, the timing ends, the relay 406 is disconnected, the steering gear 3 stops rotating to complete a door opening action, the mobile phone or smart switch sends a signal to the Internet of Things module 405, and sends a signal to the relay 406 after verification is successful, the relay 406 contacts, the timing module 404 starts timing, the steering gear 3 is driven to turn on to drive the steering gear 3 Rotate, the servo 3 drives the connecting rope 503 to pull the door handle or latch to open the door, the timing ends, the relay 406 is disconnected, the servo 3 stops rotating to complete a door opening action, the control box 4 and the servo 3 are placed on the two sides of the door panel 1 respectively, and then the two are connected to the door panel 1 with bolts. When the servo 3 is installed, the moving direction of the connecting rope 503 at the output end of the servo 3 is consistent with the moving direction of the handle or the latch, and then the ring 501 is put on the outside of the handle of the lock body 2, and then the screw 502 is rotated so that one end of it is close to the outer wall of the handle, and then under the action of friction, the ring 501 and the handle will be tightly connected.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An external intelligent door lock, comprising a steering gear (3) and a control box (4), characterized in that: A door panel (1) is fixedly mounted between the steering gear (3) and the control box (4); a plurality of bolts are connected between the steering gear (3), the control box (4) and the door panel (1); a circuit board (401) is arranged inside the control box (4); a biometric identification module (402), an NFC module (403), a timing module (404), an Internet of Things module (405) and a relay (406) are arranged in sequence on one side of the circuit board (401); the biometric identification module (402), the NFC module (403), the timing module (404) and the Internet of Things module (405) are all electrically connected to the relay (406) via a wire; and the steering gear (3) is electrically connected to the relay (406) via a wire.

2. The external smart door lock according to claim 1, characterized in that: An NFC sensing terminal (407) and a fingerprint sensing terminal (408) are provided on an outer wall of one side of the control box (4); the NFC sensing terminal (407) and the fingerprint sensing terminal (408) are electrically connected to the biometric identification module (402) and the NFC module (403) respectively through wires.

3. The external smart door lock according to claim 1, characterized in that: A lock body (2) is installed inside the door panel (1), and a common connecting component (5) is installed between the output end of the steering gear (3) and the lock body (2).

4. The external intelligent door lock according to claim 3, characterized in that: The connection assembly (5) comprises a collar (501) sleeved on the outside of the handle of the lock body (2), a screw rod (502) being threadedly connected to an outer wall of one side of the collar (501), and a connection rope (503) being fixedly connected to the outer wall of the bottom of the screw rod (502) and the output end of the steering gear (3).

5. The external intelligent door lock according to claim 4, characterized in that: A hook plate (504) is fixedly connected to the top of the outer wall of one end of the collar (501), and one end of the hook plate (504) is in contact with the bent end of the handle of the lock body (2).

6. The external intelligent door lock according to claim 4, characterized in that: The thread lead angle of the thread groove of the screw rod (502) is smaller than the equivalent friction angle.

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