CN108915394B

CN108915394B - Intelligent door lock

Info

Publication number: CN108915394B
Application number: CN201810998309.2A
Authority: CN
Inventors: 曾荣桂; 朱敏
Original assignee: Individual
Current assignee: Dongguan Rongzhou Precision Hardware Products Co ltd
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2023-07-04
Anticipated expiration: 2038-08-29
Also published as: CN108915394A

Abstract

The invention relates to an intelligent door lock for improving the safety level of a door lock, which comprises a shell, a control module, a driving module and a hydraulic linkage module, wherein the shell is provided with a door lock seat; the driving module comprises a main motor, an auxiliary motor, a first reduction gearbox, a second reduction gearbox, a first worm, a second worm, a first worm wheel, a second worm wheel, a first gear, a second gear, a first rack lock rod and a second rack lock rod; when the correct verification information is received, the first worm and the first worm wheel are driven by the main motor to drive the first gear and the first rack lock rod to move, and the main lock tongue is pushed to move to realize locking; when error verification information is received, the second worm and the second worm wheel are driven by the auxiliary motor to drive the second gear and the second rack lock rod to move, the baffle is pushed by the hydraulic rod of the hydraulic linkage module to move so as to ensure that the second rack lock rod passes through the through hole on the baffle to push the auxiliary lock tongue to move horizontally, and secondary locking is achieved. The safety level of the door lock is increased by using a double-channel control mode and a locking structure.

Description

Intelligent door lock

Technical Field

The present invention relates generally to locks and, in particular, to intelligent door locks for improving the security level of locks.

Background

Along with the increasing demand of intelligent door locks in the market, in order to adapt to the demand of intelligent door locks under new situation, door locks with high anti-theft grade are adopted at present, the possibility of door locks being damaged is reduced, common unlocking verification modes of the existing intelligent locks comprise card swiping, digital password inputting, fingerprint or combination of two verification modes, and the like, but certain potential safety hazards exist in the unlocking verification modes, such as the situation that a card and a fingerprint are stolen or copied, the situation that the password is snooped exists, corresponding to users with higher safety grade demands, and the demand of the existing encryption mode is difficult to meet; in order to improve the safety level of the door lock, the improvement of the existing intelligent door lock shows diversified verification modes, but the mechanical structure is often simplified, violent unlocking and technical unlocking are easy to occur, and the safety level is not high.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings in the prior art and provide the intelligent door lock with high safety level, which has the advantages of simple and compact structure, sensitive action, safety, practicability, reliability and long service life.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the hydraulic control system comprises a shell, a control module, a driving module and a hydraulic linkage module, wherein the control module comprises a main controller, a motor controller and a hydraulic rod controller, the main controller receives and processes opening and locking signals, and the motor controller receives control signals sent by the main controller; the hydraulic rod controller receives a control signal sent by the main controller, and is characterized in that: the driving module comprises a main motor, an auxiliary motor and a second rack lock rod, the hydraulic linkage module comprises a hydraulic rod and a baffle plate connected with the hydraulic rod, a through hole which is convenient for the second rack lock rod to pass through is formed in the baffle plate, when the main controller receives a correct unlocking signal, the main controller sends a control signal to the motor controller, the motor controller controls the main motor to work, and then the main lock tongue is pushed to move horizontally through a transmission device to realize locking; when the main controller receives an incorrect unlocking signal, the main controller sends out a control signal to the motor controller and the hydraulic rod controller, the motor controller controls the auxiliary motor to work, the hydraulic rod controller controls the hydraulic rod to move and push the baffle to move so as to ensure that the second rack lock rod passes through the through hole on the baffle to push the auxiliary lock tongue to horizontally move, and secondary locking is achieved.

The driving module further comprises a first reduction gearbox, a second reduction gearbox, a first worm, a second worm, a first worm wheel, a second worm wheel, a first gear, a second gear and a first rack lock rod, the main motor drives the first worm to rotate through the first reduction gearbox, the first worm is meshed with the first worm wheel, the bottom end of the first rack lock rod is meshed with the first gear, and the middle part of the first gear is coaxially connected with the first worm wheel through a clutch shaft; the auxiliary motor drives the second worm to rotate through the second reduction gearbox, the second worm is meshed with the second worm gear, the top end of the second rack lock rod is meshed with the second gear, and the middle part of the second gear is coaxially connected with the second worm gear through the clutch shaft.

Preferably, a limiting groove is formed in the first rack lock rod, a pressure sensor is arranged in the limiting groove, and the baffle enters the limiting groove in the first rack lock rod to trigger the pressure sensor.

Preferably, two guide sleeves are embedded in the middle of one end of the shell, and the inner walls of the two guide sleeves are respectively embedded with the main lock tongue and the auxiliary lock tongue.

Preferably, one end of the main lock tongue extends out of the shell, and the other end of the main lock tongue is provided with a first groove for accommodating a first rack lock rod, and the first rack lock rod is in abutting connection with the first groove; one end of the auxiliary lock tongue extends out of the shell, the other end of the auxiliary lock tongue is provided with a second groove for accommodating a second rack lock rod, and the second rack lock rod is in butt joint with the second groove.

Preferably, the diameter of the through hole is equal to that of the second rack lock rod, and Kong Biancheng circular arc chamfers of the through hole are used for realizing the cooperation stability of the baffle and the lock rod.

Preferably, the main controller is electrically connected with the motor controller and the hydraulic rod controller respectively; the motor controller is respectively connected with the main motor and the auxiliary motor.

Preferably, the first reduction gearbox and the second reduction gearbox are worm gear reduction gearboxes or bevel gear reduction gearboxes.

Preferably, an alarm is further included, the alarm alarming after the pressure sensor is triggered.

Preferably, the communication module is also included, and the communication module is a GPRS module or a CDMA module.

Compared with the prior art, the invention has the following technical effects:

the intelligent door lock has a simple structure and stable performance, solves the technical problem of insufficient structural safety level of the intelligent door lock in the prior art, structurally realizes mutual limitation of parts inside the door lock by utilizing a double-channel control mode and a locking structure, and controls the movement of the hydraulic rod and the locking rod according to different verification information by an electric control mode so as to effectively and mechanically cooperate with each other to realize secondary locking of the door lock; when the door lock is in the secondary locking state, the door lock is unlocked step by using correct verification information, so that the operation is convenient; the hydraulic rod is matched with the mechanical structure, so that the violent unlocking of a thief is effectively prevented, and the safety level of the door lock is increased.

Drawings

FIG. 1 is a schematic diagram of a secondary locking of an intelligent door lock according to the present invention;

fig. 2 is a schematic diagram of one-time locking of the intelligent door lock according to the present invention.

Detailed Description

Referring to fig. 1 and 2, an intelligent door lock includes a housing 19, a control module, a driving module, and a hydraulic linkage module, where the control module includes a main controller (not shown in the drawing) for receiving and processing an open/close signal, a motor controller (not shown in the drawing) for receiving the control signal sent by the main controller, and a hydraulic lever controller (not shown in the drawing) for receiving the control signal sent by the main controller, the driving module includes a main motor 1, a sub motor 6, a first reduction gearbox 2, a second reduction gearbox 7, a first worm 3, a second worm 8, a first worm wheel 4, a second worm wheel 9, a first gear 5, a second gear 10, a first rack locking lever 13, and a second rack locking lever 16, the main motor 1 is connected with the first reduction gearbox 2, the first reduction gearbox 2 is connected with the first worm 3, the first worm 3 is meshed with the first locking lever 4, the bottom end of the first rack 13 is meshed with the first gear 5, and the middle of the first gear 5 is coaxially connected with the first worm wheel 4 through a clutch shaft; the auxiliary motor 6 is connected with the second reduction gearbox 7, the second reduction gearbox 7 is connected with the second worm 8, the second worm 8 is meshed with the second worm wheel 9, the bottom end of the second rack lock rod 16 is meshed with the second gear 10, and the middle part of the second gear 10 is coaxially connected with the second worm wheel 9 through a clutch shaft; the middle part of one end of the shell 19 is embedded with two

guide sleeves

11 and 14, the inner walls of the two

guide sleeves

11 and 14 are respectively embedded with the main lock tongue 12 and the auxiliary lock tongue 15, an elastic return piece is arranged between the main lock tongue 12 and the inner wall of the guide sleeve 11, one end of the elastic return piece is abutted to the shell 19, the other end of the elastic return piece is fixed on the main lock tongue 12, an elastic return piece is arranged between the auxiliary lock tongue 15 and the inner wall of the guide sleeve 14, one end of the elastic return piece is abutted to the shell 19, the other end of the elastic return piece is fixed on the auxiliary lock tongue 15, one end of the main lock tongue 12 extends out of the shell, the other end of the main lock tongue 12 is provided with a groove I for accommodating a first rack lock rod 13, and the first rack lock rod 13 is abutted to the groove I; the auxiliary lock tongue 15 one end stretches out the casing, and the other end is equipped with the recess second that holds second rack lock pole 16, second rack lock pole 16 with recess second butt, hydraulic rod 18 sets up the top position in casing 19, baffle 17 is connected with the hydraulic rod, be equipped with the through-hole on the baffle 17, the diameter of through-hole equals the diameter of second rack lock pole 16, just Kong Biancheng circular arc chamfer of through-hole be equipped with the spacing groove on the first rack lock pole 13 be equipped with pressure sensor in the spacing groove, baffle 17 gets into on the first rack lock pole 13 spacing groove triggers pressure sensor.

The specific principle and work flow of the unlocking work of the invention are as follows: when a user inputs unlocking verification information, the main controller sends a control signal to the motor controller when receiving the correct unlocking signal, the motor controller controls the main motor 1 to work, the main motor 1 drives the first worm 3 to rotate through the first reduction gearbox 2 so as to drive the first worm wheel 4 to rotate, the first worm wheel 4 drives the first gear 5 to rotate, the first gear 5 drives the first rack lock rod 13 to transversely move, and when the first rack lock rod 13 moves into a groove of the main lock tongue 12 and is abutted with the bottom of the groove, the main lock tongue 12 is pushed to horizontally move so as to realize locking; when a thief adopts a technology to unlock, when the main controller receives an incorrect unlocking signal, the main controller sends control signals to the motor controller and the hydraulic rod controller, the motor controller controls the auxiliary motor 6 to work, the hydraulic rod controller controls the hydraulic rod 18 to move so as to push the baffle 17 to move, meanwhile, the auxiliary motor 6 drives the second worm 8 to rotate through the second reduction gearbox 7 so as to drive the second worm wheel 9 to rotate, the second worm wheel 9 drives the second gear 10 to rotate, the second gear 10 drives the second rack lock rod 16 to transversely move, the second rack lock rod 16 is ensured to pass through a through hole on the baffle 17 and move into a groove II of the auxiliary lock rod 15 and is abutted with the bottom of the groove II, the auxiliary lock rod 15 is pushed to horizontally move so as to realize secondary locking, meanwhile, the baffle 17 enters a limit groove of the first rack lock rod 13 to trigger a pressure sensor to alarm, and simultaneously, the main controller sends a power-off signal to the motor controller, and the main motor is powered off; when the user unlocks, input the correct verification information, the main control unit sends control signal to motor control unit and hydraulic rod controller, will second rack locking lever 16 withdraw, when withdraw and leave baffle 17 through-hole, hydraulic rod 18 drives baffle 17 withdraws and leaves first rack locking lever 13's spacing groove, simultaneously the main control unit is right motor control unit sends main motor working signal, and then makes first rack locking lever motion realizes the unblock.

When a user inputs verification information, APP can be used for inputting fingerprint or password of the door lock panel.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The intelligent door lock comprises a shell, a control module, a driving module and a hydraulic linkage module, wherein the control module comprises a main controller, a motor controller and a hydraulic rod controller, the main controller receives and processes opening and locking signals, and the motor controller receives control signals sent by the main controller; the hydraulic rod controller receives a control signal sent by the main controller, and is characterized in that: the driving module comprises a main motor, an auxiliary motor and a second rack lock rod, the hydraulic linkage module comprises a hydraulic rod and a baffle plate connected with the hydraulic rod, a through hole which is convenient for the second rack lock rod to pass through is formed in the baffle plate, when the main controller receives a correct unlocking signal, the main controller sends a control signal to the motor controller, the motor controller controls the main motor to work, and then the main lock tongue is pushed to move horizontally through a transmission device to realize locking; when the main controller receives an incorrect unlocking signal, the main controller sends out a control signal to the motor controller and the hydraulic rod controller, the motor controller controls the auxiliary motor to work, the hydraulic rod controller controls the hydraulic rod to move and push the baffle to move so as to ensure that the second rack lock rod passes through the through hole on the baffle to push the auxiliary lock tongue to horizontally move, and secondary locking is achieved.

2. The intelligent door lock according to claim 1, wherein the driving module further comprises a first reduction gearbox, a second reduction gearbox, a first worm, a second worm, a first worm wheel, a second worm wheel, a first gear, a second gear and a first rack lock rod, the main motor drives the first worm to rotate through the first reduction gearbox, the first worm is meshed with the first worm wheel, the bottom end of the first rack lock rod is meshed with the first gear, and the middle part of the first gear is coaxially connected with the first worm wheel through a clutch shaft; the auxiliary motor drives the second worm to rotate through the second reduction gearbox, the second worm is meshed with the second worm gear, the top end of the second rack lock rod is meshed with the second gear, and the middle part of the second gear is coaxially connected with the second worm gear through the clutch shaft.

3. The intelligent door lock according to claim 2, wherein a limit groove is formed in the first rack lock rod, a pressure sensor is arranged in the limit groove, and the baffle enters the limit groove on the first rack lock rod to trigger the pressure sensor.

4. The intelligent door lock according to claim 1, wherein two guide sleeves are embedded in the middle of one end of the shell, and inner walls of the two guide sleeves are respectively embedded in the main lock tongue and the auxiliary lock tongue.

5. The intelligent door lock according to claim 1, wherein one end of the main lock tongue extends out of the shell, and the other end is provided with a first groove for accommodating a first rack lock rod, and the first rack lock rod is abutted with the first groove; one end of the auxiliary lock tongue extends out of the shell, the other end of the auxiliary lock tongue is provided with a second groove for accommodating a second rack lock rod, and the second rack lock rod is in butt joint with the second groove.

6. The intelligent door lock according to claim 1, wherein the diameter of the through hole is equal to the diameter of the second rack bar, and Kong Biancheng circular arc chamfer of the through hole.

7. The intelligent door lock according to claim 1, wherein the main controller is electrically connected to the motor controller and the hydraulic lever controller, respectively; the motor controller is respectively connected with the main motor and the auxiliary motor.

8. The intelligent door lock according to claim 2, wherein the first reduction gearbox and the second reduction gearbox are worm gear reduction boxes or bevel gear reduction boxes.

9. The intelligent door lock according to claim 3, further comprising an alarm that alarms after the pressure sensor is triggered.

10. The intelligent door lock according to claim 1, further comprising a communication module, wherein the communication module is a GPRS module or a CDMA module.