CN108915394A - A kind of intelligent door lock - Google Patents

Abstract

The invention relates to an intelligent door lock that improves the safety level of the door lock, including a housing, a control module, a drive module, and a hydraulic linkage module; the drive module includes a main motor, an auxiliary motor, a first reduction box, a second reduction box, a first Worm, second worm, first worm gear, second worm gear, first gear, second gear, first rack lock lever and second rack lock lever; when receiving correct verification information, the first worm is driven by the main motor 1. The first worm gear drives the first gear and the first rack lock lever to move, and pushes the main bolt to move to realize locking; when receiving wrong verification information, the second worm is driven by the auxiliary motor, and the second worm gear drives the second gear and the second gear. The second rack locking rod moves, and the hydraulic rod of the hydraulic linkage module pushes the baffle to move to ensure that the second rack locking rod passes through the through hole on the baffle to push the auxiliary bolt to move horizontally to achieve secondary locking. Use the dual-channel control method and locking structure to increase the security level of the door lock.

Description

A smart door lock

technical field

The present invention generally relates to a lock, in particular to an intelligent door lock for improving the security level of the lock.

Background technique

As the demand for smart door locks in the market continues to increase, in order to meet the requirements of smart door locks in the new situation, door locks with high anti-theft levels have been adopted to reduce the possibility of door locks being damaged. Verification methods include swiping cards, entering digital passwords, fingerprints, or a combination of the two verification methods. However, these unlocking verification methods have certain security risks. For example, cards and fingerprints may be stolen or copied, and passwords may be snooped. , corresponding to users with high security level requirements, the existing encryption method is difficult to meet their needs; in order to improve the security level of the door lock, the improvement of the existing smart door lock presents a variety of verification methods, but the mechanical structure is often simplified, It is prone to violent unlocking and technical unlocking, and the security level is not high.

Contents of the invention

The object of the present invention is to overcome the shortcomings and deficiencies in the prior art, and provide an intelligent door lock with a simple and compact structure, sensitive action, safe, practical and reliable, long service life and high security level.

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

It includes a housing, a control module, a drive module, and a hydraulic linkage module. The control module includes a main controller, a motor controller and a hydraulic lever controller. The main controller receives and processes the opening and closing signals, and the motor controller receives the main The control signal sent by the controller; the hydraulic rod controller receives the control signal sent by the main controller, and it is characterized in that: the drive module includes a main motor and an auxiliary motor, and the hydraulic linkage module includes a hydraulic rod connected to the hydraulic rod The baffle, the baffle is provided with a through hole for the second rack lock bar to pass through, when the main controller receives the correct unlock signal, the main controller will control the motor The controller sends out a control signal, and the motor controller controls the main motor to work, and then pushes the main bolt to move horizontally through the transmission device to realize locking; when the main controller receives a wrong unlock signal, the main controller The motor controller and the hydraulic rod controller send control signals, the motor controller controls the auxiliary motor to work, the hydraulic rod controller controls the hydraulic rod to move, and pushes the baffle to move to ensure that the second tooth The bar lock bar passes through the through hole on the baffle to push the auxiliary dead bolt to move horizontally to realize secondary locking.

The drive module also includes a first reduction box, a second reduction box, a first worm, a second worm, a first worm wheel, a second worm wheel, a first gear, a second gear, a first rack lock bar and a second tooth The main motor drives the first worm to rotate through the first reduction box, the first worm meshes with the first worm gear, and the bottom end of the first rack lock lever meshes with the first gear, The middle part of the first gear is coaxially connected to the first worm wheel through the clutch shaft; the auxiliary motor drives the second worm to rotate through the second reduction box, the second worm meshes with the second worm wheel, and the second The top end of the rack lock bar engages 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 limit slot is provided on the first rack lock bar, a pressure sensor is provided in the limit slot, and the baffle plate enters the limit slot on the first rack lock bar to trigger the pressure sensor.

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

Preferably, one end of the main lock tongue protrudes from the housing, and the other end is provided with a groove 1 for accommodating the first rack lock bar, and the first rack lock bar abuts against the groove 1; One end of the lock tongue protrudes from the housing, and the other end is provided with a groove 2 for accommodating the second rack lock bar, and the second rack lock bar abuts against the groove 2 .

Preferably, the diameter of the through hole is equal to the diameter of the locking rod of the second rack, and the edge of the through hole is chamfered in a circular arc, so as to achieve stable cooperation between the baffle plate and the locking rod.

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

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

Preferably, an alarm is also included, and the alarm will alarm after the pressure sensor is triggered.

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

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

The invention has simple structure and stable performance, solves the technical problem of insufficient structural safety level of the intelligent door lock in the prior art, utilizes the dual-channel control mode and locking structure, and realizes mutual restriction of the components inside the door lock structurally , control the movement of the hydraulic lever and the lock lever according to different verification information through electronic control, so that the two can carry out effective mechanical cooperation to realize the secondary locking of the door lock; when the door lock is in the secondary locking state, use the correct verification information The door lock is unlocked step by step, which is easy to operate; the combination of the hydraulic rod and the mechanical structure can effectively prevent the thief from violently unlocking and increase the security level of the door lock.

Description of drawings

Fig. 1 is the secondary locking schematic diagram of intelligent door lock of the present invention;

Fig. 2 is a schematic diagram of one-time locking of the smart door lock of the present invention.

Detailed ways

Please refer to Fig. 1 and Fig. 2, a kind of intelligent door lock, comprises housing 19, control module, driving module, hydraulic linkage module, and control module includes the master controller (not shown in the figure) that is used to receive and process opening and closing signal ), a motor controller (not shown in the figure) for receiving the control signal sent by the main controller and a hydraulic rod controller (not shown in the figure) for receiving the control signal sent by the main controller, the drive module includes Main motor 1, auxiliary motor 6, first reduction box 2, second reduction box 7, first worm 3, second worm 8, first worm wheel 4, second worm wheel 9, first gear 5, second gear 10, The first rack lock lever 13 and the second rack lock lever 16, the main motor 1 is connected to the first reduction box 2, the first reduction box 2 is connected to the first worm 3, and the first gear box 2 is connected to the first worm 3. A worm 3 meshes with the first worm wheel 4, the bottom end of the first rack lock bar 13 meshes with the first gear 5, and the middle part of the first gear 5 is coaxially connected to the first worm wheel 4 through a clutch shaft; The auxiliary motor 6 is connected with the second reduction box 7, the second reduction box 7 is connected with the second worm 8, the second worm 8 meshes with the second worm wheel 4, and the second rack The bottom end of the lock lever 16 is engaged with the second gear 10, and the middle part of the second gear 10 is coaxially connected with the second worm gear 9 through the clutch shaft; two guide sleeves 11, 14 are embedded in the middle part of one end of the housing 19, The inner walls of the two guide sleeves 11, 14 are respectively fitted with the main bolt 12 and the auxiliary bolt 15, and an elastic return member is provided between the main bolt 12 and the inner wall of the guide groove 11, One end of the elastic return member abuts on the housing 19, the other end is fixed on the main bolt 12, an elastic return member is provided between the auxiliary lock tongue 15 and the inner wall of the guide groove 14, and one end of the elastic return member It abuts on the housing 19, and the other end is fixed on the auxiliary lock tongue 15. One end of the main lock tongue 12 extends out of the housing, and the other end is provided with a groove 1 for accommodating the first rack lock bar 13, so that The first rack lock bar 13 abuts against the groove one; one end of the auxiliary lock tongue 15 protrudes from the housing, and the other end is provided with a groove two for accommodating the second rack lock bar 16, and the second rack lock bar 16 The rack lock rod 16 abuts against the second groove, the hydraulic rod 18 is arranged at the upper position in the housing 19, the baffle 17 is connected with the hydraulic rod, the baffle 17 is provided with a through hole, and the through hole The diameter of the hole is equal to the diameter of the second rack lock bar 16, and the hole edge of the through hole is chamfered in a circular arc. A pressure sensor is arranged in the slot, and the baffle plate 17 enters the limiting slot on the first rack lock bar 13 to trigger the pressure sensor.

The specific principle and working process of the unlocking work in the present invention are: when the user inputs the unlocking verification information and the main controller receives the correct unlocking signal, the main controller sends a control signal to the motor controller, so 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 box 2, and then drives the first worm wheel 4 to rotate, and the first worm wheel 4 drives the The first gear 5 rotates, and the first gear 5 drives the first rack lock bar 13 to move laterally. When the first rack lock bar 13 moves into the groove of the main lock tongue 12 together with When the bottom of the groove abuts, it pushes the main bolt 12 to move horizontally so as to realize locking; The motor controller and the hydraulic rod controller send control signals, the motor controller controls the auxiliary motor 6 to work, the hydraulic rod controller controls the hydraulic rod 18 to move, and pushes the baffle plate 17 to move, while the auxiliary motor 6 The motor 6 drives the second worm 8 to rotate through the second reduction box 7, and then drives the second worm wheel 9 to rotate, and the second worm wheel 9 drives the second gear 10 to rotate, and the second gear 10 drives the second gear 10 to rotate. The second rack lock bar 16 moves laterally, and ensures that the second rack lock bar 16 passes through the through hole on the baffle plate 17 and moves into the second groove of the secondary lock tongue 15 and is connected with the The bottom of the second groove abuts to push the secondary lock tongue 15 to move horizontally so as to realize secondary locking. At the same time, the baffle plate 17 enters the limit groove of the first rack lock bar 13 to trigger the pressure sensor to give an alarm. The controller sends a main motor power-off signal to the motor controller, and the main motor is powered off; when the user unlocks, input correct verification information, and the main controller controls the motor controller and the hydraulic rod. The device sends out a control signal to retract the second rack lock lever 16. When retracting away from the through hole of the baffle 17, the hydraulic rod 18 drives the baffle 17 to retract away from the first rack. At the same time, the main controller sends a main motor working signal to the motor controller, and then moves the first rack locking bar to realize unlocking.

When the user enters the verification information, he can use APP input or door lock panel fingerprint input or door lock panel password input.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. An intelligent door lock, comprising a housing, a control module, a drive module, and a hydraulic linkage module, the control module including a main controller, a motor controller and a hydraulic lever controller, and the main controller receives and processes unlocking and locking signals , the motor controller receives the control signal sent by the main controller; the hydraulic lever controller receives the control signal sent by the main controller, it is characterized in that: the drive module includes a main motor and an auxiliary motor, and the hydraulic linkage module includes a hydraulic Rod, the baffle connected to the hydraulic rod, the baffle is provided with a through hole for the passage of the second rack lock rod, when the main controller receives the correct unlock signal, the The main controller sends a control signal to the motor controller, and the motor controller controls the operation of the main motor, and then pushes the main bolt to move horizontally through the transmission device to achieve locking; when the main controller receives the wrong When unlocking the signal, the main controller sends control signals 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 pushes the The baffle moves to ensure that the second rack lock bar passes through the through hole on the baffle to push the auxiliary bolt to move horizontally to achieve secondary locking. 2. The intelligent door lock according to claim 1, wherein the drive module further comprises a first reduction box, a second reduction box, a first worm, a second worm, a first worm wheel, a second worm wheel, a second worm wheel, and a second worm wheel. A gear, a second gear, a first rack lock lever and a second rack lock lever, the main motor drives the first worm to rotate through the first reduction box, and the first worm meshes with the first worm gear , the bottom end of the first rack lock lever meshes with the first gear, and the middle part of the first gear is coaxially connected to the first worm gear through the clutch shaft; the auxiliary motor drives the second worm to rotate through the second reduction box, The second worm meshes with the second worm gear, the top end of the second rack lock bar meshes 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 1, wherein a limiting groove is provided on the first rack lock bar, a pressure sensor is arranged in the limiting groove, and the baffle plate enters the The limit slot on the first rack lock lever triggers the pressure sensor. 4. The smart door lock according to claim 1, wherein two guide sleeves are embedded in the middle of one end of the housing, and the inner walls of the two guide sleeves are respectively fitted with the main bolt and the The secondary deadbolt. 5. The smart door lock according to claim 1, wherein one end of the main bolt protrudes from the housing, and the other end is provided with a groove I for accommodating the first rack lock bar, and the first rack The lock bar abuts against the first groove; one end of the auxiliary lock tongue protrudes from the housing, and the other end is provided with a second groove for accommodating the second rack lock bar. Groove two abutment. 6 . The smart door lock according to claim 1 , wherein the diameter of the through hole is equal to the diameter of the second rack lock rod, and the edge of the through hole is rounded. 7. The intelligent door lock according to claim 1, wherein the main controller is electrically connected to the motor controller and the hydraulic rod controller respectively; the motor controller is respectively connected to the main motor , The auxiliary motor is connected. 8. The intelligent door lock according to claim 1, wherein the first and second reduction boxes are worm gear reduction boxes or bevel gear reduction boxes. 9. The intelligent door lock according to claim 1, further comprising an alarm, which alarms after the pressure sensor is triggered. 10. The intelligent door lock according to claim 1, further comprising a communication module, the communication module being a GPRS module or a CDMA module.