CN212054161U

CN212054161U - Intelligent door lock

Info

Publication number: CN212054161U
Application number: CN202020393089.3U
Authority: CN
Inventors: 李培冀
Original assignee: Shenzhen Haiyueyun Technology Co ltd
Current assignee: Shenzhen Haiyueyun Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-01
Anticipated expiration: 2030-03-24
Also published as: DE202021101487U1

Abstract

The utility model provides an intelligent door lock, belonging to the lock technical field, comprising a front shell and a rotating shaft component, wherein the rotating shaft component is connected with a lock core; the inner gear ring is fixedly arranged in the front shell; the rear shell is arranged in the motor in the rear shell; the eccentric shaft is vertically arranged on the mounting plate, and the driven gear is arranged on a limiting part on the mounting plate; a clutch assembly; the sensor assembly is arranged on the sinking plate and comprises a sensor PCB (printed circuit board) fixedly arranged on the sinking plate, a sensor gear capable of rotating relative to the sinking plate and an angle sensor synchronously rotating along with the sensor gear, and the sensor gear is meshed with the inner gear ring; compare with current like product, the utility model discloses both can unblank automatically, also can be when the motor breaks down light realization is manually unblanked, has convenient to use's effect, is favorable to the using electricity wisely moreover.

Description

Intelligent door lock

Technical Field

The utility model relates to a tool to lock technical field specifically indicates an intelligent lock that can unblank automatically.

Background

At present, except for the traditional door lock which needs to be unlocked by a key, more and more door locks which are unlocked by adopting an electric mode are applied, such as a common fingerprint lock, a lock which is unlocked by facial recognition, a lock which is unlocked by Bluetooth and the like. This kind of tool to lock is unblanked when outdoor, unblanks through fingerprint, facial discernment and bluetooth mode respectively, and when unblanking indoor, most of the cases are then unblanked with the mode of manual rotation knob or handle, and degree of automation is lower. In order to solve the problem, an indoor handle of the existing lockset is made into a cylinder shape, a motor for opening the door is arranged in the handle, an indoor unlocking knob and a lock cylinder are connected with an output shaft of the motor, when the door is opened indoors, a button on the handle is pressed, and the motor can drive the lock cylinder to rotate after being started, so that the door lock is opened. Although the lockset can achieve the purpose of indoor electric unlocking, when the motor output shaft is blocked due to the failure of the motor, an indoor knob cannot pass through the indoor; even if can not block and die, when rotatory knob unblanked, need pass through motor output shaft transmission power, it is very hard. Therefore, the lock also has inconvenience in use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an intelligent door lock capable of automatically unlocking indoors.

In order to achieve the above object, the utility model adopts the following technical scheme: an intelligent door lock comprises

A front shell, a back shell and a front shell,

the lock also comprises a rotating shaft component which is arranged on the front shell and can rotate relative to the front shell, and the rotating shaft component is connected with the lock cylinder;

the inner gear ring is fixedly arranged in the front shell;

the output end part of the output shaft of the motor penetrates through a sinking plate arranged in the connecting end of the rear shell and then extends outwards;

the driving plate, the mounting plate and the driving gear are sequentially sleeved on the output end part of the motor output shaft, the driving plate and the driving gear cannot rotate relative to the motor output shaft, the mounting plate and the driving plate are adsorbed by magnetic force, and the mounting plate can rotate relative to the motor output shaft; through the adsorbed aim at of magnetic force between mounting panel and the driving plate, under the condition that the mounting panel does not receive other resistances, the mounting panel rotates along with the driving plate is synchronous, when the mounting panel receives other resistances and this resistance is greater than magnetic force, the mounting panel no longer rotates along with the driving plate is synchronous, through the adsorption of magnetic force be convenient for realize the mounting panel with be connected and the separation of driving plate.

The eccentric shaft is vertically arranged on the mounting plate, the driven gear is sleeved on the eccentric shaft and meshed with the driving gear, and the limiting part is arranged on the mounting plate;

the clutch component is used for pushing the limiting part arranged on the mounting plate to separate the driven gear from the inner gear ring when the motor is not started;

the sensor assembly is arranged on the sinking plate and comprises a sensor PCB (printed circuit board) fixedly arranged on the sinking plate, a sensor gear capable of rotating relative to the sinking plate and an angle sensor synchronously rotating along with the sensor gear, and the sensor gear is meshed with the inner gear ring;

when the motor starts, drive driving plate, mounting panel and driving gear are rotatory, and driven gear is rotatory under the driving gear drives, and when spacing portion front end on the mounting panel rotated extreme position because of clutch assembly's effect, the mounting panel was no longer rotatory along with the driving plate, and driven gear and ring gear meshing, back shell and the relative preceding shell of pivot subassembly are rotatory. In an initial state, the driven gear is not meshed with the inner gear ring due to the action of the clutch assembly; when the door needs to be opened indoors, firstly, the rear shell is manually rotated for a certain angle, the sensor gear meshed with the inner gear ring rotates relative to the sinking plate, the angle sensor rotates along with the angle sensor, when the angle sensor rotates for a set angle, the motor is started to drive the eccentric shaft to rotate, the driving plate and the driving gear rotate along with the driving gear, the mounting plate rotates synchronously along with the driving plate under the action of magnetic force, when the front end of the limiting part on the mounting plate rotates to the limit position due to the action of the clutch assembly, the mounting plate rotates to the limit position, at the limit position, the driven gear is meshed with the inner gear ring, the inner gear ring is fixed in the front shell, when the driven gear rotates relative to the inner gear ring, the rear shell is driven to rotate relative to the front shell, due to the action of the limiting part, the mounting plate does not rotate along with the driving plate any more, the driving plate, therefore, the rotating shaft component rotates synchronously with the rear shell, the rotating shaft component drives the lock cylinder to rotate along with the rotating shaft component, and indoor automatic unlocking is achieved.

Preferably, the clutch assembly is composed of two springs, the inner ends of the two springs are arranged inside the inner wall of the rear shell connecting end, and the outer ends of the two springs are positioned inside the rear shell connecting end; the two springs are respectively positioned on two sides of the mounting plate; in an initial state, at most one spring is in contact with one side surface of the front end of the limiting part.

The clutch component can also adopt two first magnets and one second magnet, and the first magnets and the second magnets repel each other; two first magnets are installed on the inner wall of the connecting end of the rear shell and located on two sides of the installing plate, and the second magnet is installed in the limiting portion.

In order to install the sensor assembly, a sensor shaft which can rotate relative to the sinking plate is arranged on the sinking plate, and a sensor PCB, an angle sensor and a sensor gear are sequentially sleeved on the sensor shaft; the angle sensor and the sensor gear cannot rotate relative to the sensor shaft.

The angle sensor is arranged on the surface of the sensor PCB plate, and the sensor gear is arranged on the surface of the angle sensor; a magnetic induction sensor is arranged on the sensor PCB, and two induction magnets which are respectively positioned at two sides of the sensor shaft are arranged in the surface of the sensor gear. The sensor also comprises a mounting bracket and a sensor bearing; the sensor bearing is arranged in the sinking plate, and one end of the sensor shaft is arranged in the sensor bearing; two end plates of the mounting bracket are respectively fixedly connected with the sensor PCB and the sinking plate, and the other end of the sensor shaft is connected with a top plate of the mounting bracket. The magnetic induction sensor is sensitive to magnetism, and when the sensor gear was rotatory, the relative magnetic induction sensor position of induction magnet on it changed, and magnetic induction sensor then sends a signal for the controlling means of tool to lock, and controlling means then begins discernment angle sensor direction of rotation and reads angle sensor's rotation angle, and when angle sensor rotated the set angle, the controlling means of tool to lock then started the motor. Of course, the control device may also continuously read the rotation angle of the angle sensor, instead of waiting for the magnetic induction sensor to send a signal and then reading the rotation angle of the angle sensor 27, which may also achieve the corresponding technical effect, but may be relatively power-consuming.

Preferably, the cross section of the motor output shaft is D-shaped, and D-shaped central holes matched with the shape of the motor output shaft are arranged in the transmission plate and the driving gear; a circular central hole is arranged in the mounting plate; two adsorption magnets for adsorbing the mounting plate are arranged in the transmission plate.

Further, a pressure plate stacked on the surface of the mounting plate is also arranged, and the pressure plate is sleeved on the eccentric shaft; the end part of the eccentric shaft is provided with a pressing strip, and the driving gear and the driven gear are positioned between the pressing strip and the pressing plate. The pressing plate is used for fixing the second magnet in the limiting part.

Preferably, the rotating shaft assembly comprises a mounting disc, and a rotating shaft vertically penetrates through the mounting disc and is fixedly connected with the mounting disc; two sections of the rotating shaft positioned at the front side and the rear side of the mounting disc are respectively a front section of the rotating shaft and a rear section of the rotating shaft; the front end of the front section of the rotating shaft vertically penetrates through the bottom plate of the front shell and then is positioned outside the front shell; the rear end of the rear section of the rotating shaft is fixedly connected with the sinking plate.

Preferably, a sinking seat is arranged on the inner bottom surface of the bottom plate, and the mounting disc is arranged in the sinking seat; the rear section of the rotating shaft is also sequentially sleeved with a first gasket, a supporting piece, a second gasket, a gasket and a baffle plate; two surfaces of the first gasket are respectively attached to the mounting disc and the support piece.

Preferably, the supporting piece is formed by integrally molding a ring body and a supporting plate arranged in one end part of the ring body, a lower counter bore is arranged in the inner bottom surface of the supporting plate, and the second gasket and the gasket are stacked and then placed in the lower counter bore; the inner gear ring is fixed on the supporting plate through screws.

Preferably, the supporting plate is fixedly connected with the inner bottom surface of the bottom plate, and the mounting plate is fixed in the front shell by the supporting plate along the axial direction of the front shell.

Preferably, in order to separate the inner gear ring from the shielding plate, the solar water heater further comprises a pressing ring, the pressing ring is located between the inner gear ring and the shielding plate, and screws for fixing the inner gear ring sequentially penetrate through the inner gear ring, the pressing ring and the shielding plate and then fix the inner gear ring, the pressing ring and the shielding plate on the supporting plate. The baffle plate is used for separating the inner gear ring from the support plate.

Preferably, the rear end of the rear shell is provided with a rear cover, the rear shell is also internally provided with a battery installation shell, a battery and a circuit board, the battery is arranged in the battery installation shell, and the circuit board is respectively electrically connected with the motor and the battery.

The beneficial technical effects are as follows: the utility model discloses can unblank through modes such as fingerprint, bluetooth outdoors, when unblanking in the room, the hand rotation backshell, angle sensor can count to the rotation angle, when the rotation angle reaches the settlement angle, tool to lock controlling means passes through the signal start motor that angle sensor sent, and the motor is rotated and is driven the backshell and continue to rotate along the direction of hand rotation, and then drives the rotation axis of pivot subassembly and the lock core that is connected with the rotation axis to rotate, thereby realize indoor unblanking; the utility model discloses when manual mode, driven gear breaks away from with the ring gear, when rotatory shell unblanked, need not through the motor, the shell directly drives the rotatory subassembly of pivot and rotates to unblank, even if the motor broke down, did not influence manual unblanking yet; when the lock is normally used, the set angle is manually rotated, the motor is started, and automatic unlocking is realized. Set up magnetic induction sensor and response magnet, the controlling means of tool to lock need not incessant rotation angle that reads angle sensor, is favorable to reducing the power consumption of battery, compares with current like product, the utility model discloses both can unblank automatically, also can be when the motor breaks down light realization is manually unblanked, has convenient to use's effect, is favorable to using electricity wisely moreover.

Drawings

Fig. 1 is a first exploded view of a front shell and a structure connected thereto according to the present invention;

fig. 2 is a second exploded view of the front shell and the structure connected thereto of the present invention;

fig. 3 is a first exploded view of the rear housing and the structure connected thereto of the present invention;

fig. 4 is a second exploded view of the rear housing and the structure connected thereto of the present invention;

fig. 5 is an assembly view of the front housing and the structure connected thereto of the present invention;

fig. 6 is an assembly view of the rear housing and the structure connected thereto according to the present invention;

fig. 7 is an assembly view of the rear housing of the present invention;

fig. 8 is a first exploded view of a rear housing and structure connected thereto in accordance with another embodiment of the present invention;

fig. 9 is a second exploded view of a rear housing and structure connected thereto in accordance with another embodiment of the present invention;

fig. 10 is an assembly view of a rear housing and a structure connected thereto according to another embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

The utility model discloses install indoor, be connected with the lock core.

As shown in fig. 1-7, an intelligent door lock comprises a front shell 1, and further comprises a rotating shaft assembly 2 which is arranged on the front shell and can rotate relative to the front shell 1, wherein the rotating shaft assembly is connected with a lock cylinder 3; an inner gear ring 4 fixedly arranged in the front shell 1; the rear shell 5 fixedly connected with the rotating shaft component 2, the motor 6 arranged in the rear shell, and the output end part of the motor output shaft 7 passes through the sinking plate 8 arranged in the rear shell connecting end 501 and then extends outwards.

The sinking plate 8 and the rear shell 5 are integrally formed, and the sinking plate and the front end face of the rear shell 5 are at a certain distance, so that a containing space is defined by the sinking plate and the inner wall of the connecting end of the rear shell.

Here, the front case 1 is formed in a cylindrical shape, and a bottom plate 101 is provided at a front end thereof, and a depressed base 101a is provided in an inner bottom surface of the bottom plate. The rotating shaft assembly 2 adopts the following structure, and comprises a mounting disc 201 and a rotating shaft 202 vertically penetrating through the mounting disc 201 and fixedly connected with the mounting disc 201; two sections of the rotating shaft located at the front and rear sides of the mounting plate 201 are a rotating shaft front section 202a and a rotating shaft rear section 202b respectively; the front end of the front section of the rotating shaft vertically penetrates through a bottom plate 101 of the front shell and then is positioned outside the front shell 1; the rear end of the rotating shaft rear section 202b is fixedly connected with the sinking plate 8.

Placing the mounting plate 201 in the sinking seat 101 a; the rear section 202b of the rotating shaft is also sequentially sleeved with a first gasket 9, a support member 10, a second gasket 11, a gasket 12 and a baffle plate 13; two surfaces of the first gasket 9 are respectively attached to the mounting plate 201 and the supporting member 10.

Be equipped with many roller bearings in first packing ring 9 to reduce the frictional force between first packing ring 9 and mounting disc 201, make pivot subassembly 2 rotatory more smooth and easy, and then backshell 5 drives pivot subassembly 2 and rotates more smoothly.

The supporting piece 10 is formed by integrally molding a ring body 1001 and a supporting plate 1002 arranged in one end of the ring body, a sunken hole 1002a is formed in the inner bottom surface of the supporting plate 1002, and the second gasket 11 and the gasket 12 are stacked and then placed in the sunken hole 1002 a; the inner gear ring 4 is fixed on the support plate through screws.

The supporting plate 1002 is fixedly connected with the inner bottom surface of the bottom plate 101 through screws, and the mounting plate 201 is fixed in the front housing 1 by the supporting plate 1002 along the axial direction of the front housing 1. That is, the mounting disk cannot be disengaged from the front housing 1 in the axial direction of the front housing 1.

In order to separate the inner gear ring 4 from the shielding plate 13, the solar water heater further comprises a pressing ring 14, the pressing ring 14 is located between the inner gear ring 4 and the shielding plate 13, and screws for fixing the inner gear ring 4 sequentially penetrate through the inner gear ring 4, the pressing ring 14 and the shielding plate 13 to fix the inner gear ring 4, the pressing ring 14 and the shielding plate 13 on the supporting plate 1002. The shielding plate 13 is used to separate the ring gear 4 from the support plate 1002.

The output end part of the motor output shaft is sequentially sleeved with a transmission plate 15, a mounting plate 16 and a driving gear 17, the transmission plate 15 and the driving gear 17 cannot rotate relative to the motor output shaft 7, the mounting plate 16 and the transmission plate 15 are adsorbed by magnetic force, and the mounting plate 16 can rotate relative to the motor output shaft 7; therefore, the cross section of the motor output shaft 7 is D-shaped, and D-shaped central holes matched with the shape of the motor output shaft are arranged in the transmission plate 15 and the driving gear 17; a circular central hole is arranged in the mounting plate, so that the transmission plate 15 and the driving gear 17 cannot rotate relative to the motor output shaft 7; two adsorption magnets 18 used for adsorbing the mounting plate 16 are arranged in the transmission plate 15, and the adsorption magnets 18 used for adsorbing the transmission plate 15 are also arranged in the mounting plate 16, so that the mounting plate 16 is ensured to rotate synchronously with the transmission plate 15.

In order to install the driven gear 19, an eccentric shaft 20 perpendicular to the installation plate is arranged on the installation plate 16, the driven gear 19 meshed with the driving gear 17 is sleeved on the eccentric shaft, and a limiting part 1601 is arranged on the installation plate 16; the limiting part is arranged on the side wall of the mounting plate and is integrally formed with the mounting plate 16, namely the limiting part is a protruding structure arranged on the side wall of the mounting plate.

A pressure plate 22 stacked on the surface of the mounting plate is also arranged, and the pressure plate is sleeved on the output end parts of the eccentric shaft 20 and the motor output shaft; a pressing strip 23 is arranged at the end part of the eccentric shaft, and the driving gear 17 and the driven gear 19 are positioned between the pressing strip 23 and the pressing plate 22.

When the motor is started, the driving plate 15, the mounting plate 16, the pressing plate 22 and the driving gear 17 are driven to rotate, the driven gear 19 is driven by the driving gear 17 to rotate, when the front end of the limiting part on the mounting plate 16 rotates to the limit position due to the effect of the clutch assembly, the mounting plate 16 does not rotate along with the driving plate 15 any more, the driven gear 19 is meshed with the inner gear ring 4, and the rear shell 5 and the rotating shaft assembly 2 rotate relative to the front shell 1.

The clutch assembly is used for pushing the limiting part 1601 arranged on the mounting plate 16 to enable the driven gear 19 to be disengaged from the inner gear ring 4 when the motor 6 is not started, namely the driven gear 19 is not meshed with the inner gear ring 4. Here, whether the mounting plate 16 rotates clockwise or counterclockwise, with the front end side of the limiting portion 1601 contacting the clutch assembly, the mounting plate 16 cannot rotate any more as a limit position of the rotation of the mounting plate 16, at which the driven gear just can be engaged with the ring gear 4. The power for driving the mounting plate 16 to rotate to the limit position comes from the motor 6, when the motor stops running, the limit part is acted by the clutch assembly, so that the limit part 1601 has a certain distance from the limit position, the gear can just be separated from the inner gear ring 4, and the rear shell 5 can be rotated manually.

The clutch component of the embodiment adopts two first magnets 21a and one second magnet 21b, and the first magnets 21a and the second magnets 21b repel each other; two first magnets are installed on the inner wall of the rear shell connecting end 501 and are located on two sides of the installation plate 16, and the second magnet is installed in the limiting portion 1601. When the motor rotates, the limiting portion 1601 rotates to the limiting position by the power provided by the motor, wherein a repulsive force exists between one of the first magnets 21a and the second magnet 21b, but the repulsive force is smaller than the power provided by the motor, and in this state, the driven gear 19 is meshed with the ring gear 4. When the motor is not started, the front end of the limiting portion 1601 leaves the limit position by the repulsive force between the first magnet 21a and the second magnet 21b, and at this time, the driven gear 19 is not engaged with the ring gear 4, and the rear case 5 is not interfered by the motor when being manually rotated. The second magnet 21b is fixed in the stopper 1601 by a holding plate 22.

And two limiting pins 24 respectively positioned at two sides of the mounting plate 16 are further arranged on the inner wall of the rear shell connecting end 501, and when the mounting plate rotates to drive the front end of the limiting part 1601 to contact with one of the limiting pins 24, the mounting plate or the limiting part 1601 is considered to rotate to a limiting position. Because of the backshell generally adopts the aluminum product to make, it is not wear-resisting, set up spacing pin 24 and can prevent that spacing portion front end from direct and backshell link inner wall direct contact, be favorable to improving wear resistance.

The rear end of the rear shell 5 is provided with a rear cover 33, a battery mounting shell 34, a battery 35 and a circuit board 36 are further arranged in the rear shell, the battery is arranged in the battery mounting shell 34, and the circuit board 36 is respectively and electrically connected with the motor 6 and the battery 35. The motor 6 is fixed to the fixed case 37, and the battery mounting case 34 is connected to the fixed case 37.

The rear end of the rotation shaft rear section 202b of the rotation shaft assembly 2 is inserted into the connection column 38 provided on the sink plate 8, and then the rotation shaft assembly and the rear case 5 are fixed together by the fixing screw 39.

A plurality of rollers are also provided in the second gasket 11. Second packing ring 11 and gasket 12 are in the same place, and the terminal surface laminating of gasket 12 and spliced pole 38, and when backshell 5 rotated, gasket 12 also rotated along with spliced pole 38, and gasket 12 is rotatory for second packing ring 11 relatively, because of being equipped with many roller bearings in the second packing ring 11, consequently frictional force is less between second packing ring 11 and the gasket 12, and relative rotation between the two is smooth and easy, has reduced the frictional force that receives when backshell 5 rotated in other words.

In order to control the motor to automatically start, the motor also comprises a sensor assembly arranged on the sinking plate 8, wherein the sensor assembly comprises a sensor PCB (printed circuit board) 25 fixedly arranged on the sinking plate 8, a sensor gear 26 capable of rotating relative to the sinking plate, and an angle sensor 27 synchronously rotating along with the sensor gear, and the sensor gear 26 is meshed with the inner gear ring 4; the angle sensor 27 has a function of counting and sensing the rotation direction, and can record the degree of rotation.

In order to install the sensor assembly, a sensor shaft 28 which can rotate relative to the sinking plate is arranged on the sinking plate 8, and the sensor PCB, the angle sensor 27 and the sensor gear 26 are sequentially sleeved on the sensor shaft 28; the angle sensor 27 and the sensor gear 26 cannot rotate relative to the sensor shaft 28, and therefore, the cross section of the sensor shaft 28 is D-shaped, and the angle sensor 27 and the sensor gear 26 are provided with D-shaped center holes.

The angle sensor 27 is arranged on the surface of the sensor PCB 25, and the sensor gear 26 is arranged on the surface of the angle sensor 27; a magnetic induction sensor 29 is provided on the sensor PCB 25, and two induction magnets 30 are provided in the surface of the sensor gear 26, respectively on both sides of the sensor shaft, i.e., on both sides of the D-shaped center hole of the sensor gear 26. The sensor also comprises a mounting bracket 31 and a sensor bearing 32; the sensor bearing 32 is arranged in the sinking plate 8, and one end of the sensor shaft 28 is arranged in the sensor bearing 32; the two end plates 3101 of the mounting bracket 31 are fixedly connected with the sensor PCB 25 and the sinking plate 8, respectively, and the other end of the sensor shaft 28 is connected with the top plate 3102 of the mounting bracket. The magnetic induction sensor 29 is sensitive to magnetism, when the sensor gear 26 rotates, the sensor shaft 28 rotates along with the sensor gear 26, the angle sensor 27 rotates along with the sensor shaft 28, the position of the induction magnet 30 on the sensor gear 26 changes relative to the magnetic induction sensor 29, and the magnetic induction sensor 29 sends a signal to a control device of the lock, wherein the control device comprises a sensor PCB 25 and a circuit board 36; the control unit then starts recognizing the direction of rotation of the angle sensor 27 and reads the angle of rotation of the angle sensor 27, and when the angle sensor 27 is rotated by a set angle, the control unit of the lock starts the motor 6. Of course, the control device may also continuously read the rotation angle of the angle sensor 27, instead of waiting for the magnetic induction sensor 29 to send a signal to read the rotation angle of the angle sensor 27, which may also achieve the corresponding technical effect, but may be relatively expensive.

As shown in fig. 8-10, in another embodiment of the present invention, compared with the previous embodiment, the clutch assembly of this embodiment is two springs 21c, the inner ends of the two springs are disposed inside the inner wall of the rear housing connecting end 501, and the outer ends of the springs are disposed inside the rear housing connecting end; namely, the combination of the first magnet 21a and the second magnet 21b is replaced by two springs, and other structures are not changed; the two springs are respectively positioned at two sides of the mounting plate 16; in an initial state, at most one spring is in contact with one side surface of the front end of the limiting portion 1601, that is, when the mounting plate 16 rotates clockwise, the front end of the limiting portion 1601 is in contact with the spring on the right side of the mounting plate 16; when the mounting plate 16 rotates counterclockwise, the front end of the stopper portion 1601 contacts the spring located on the left side of the mounting plate 16. In this embodiment, when the motor rotates, the power provided by the motor rotates the limiting portion 1601 clockwise or counterclockwise and compresses one of the springs, and when the spring is not compressible, it is considered that the mounting plate or the limiting portion 1601 rotates to the limit position, and the driven gear 19 is engaged with the ring gear 4. When the motor is not started, the spring is reset, the front end of the limiting part 1601 leaves the limiting position, and the driven gear 19 is not meshed with the inner gear ring 4.

In the initial state, the driven gear 19 is not meshed with the inner gear ring 4 due to the action of the clutch assembly; when the door needs to be opened indoors, firstly, the rear shell 5 is manually rotated for a certain angle, the sensor gear 26 meshed with the inner gear ring 4 rotates relative to the sinking plate 8, the angle sensor 27 rotates along with the angle sensor, when the angle sensor 27 rotates for a set angle, the motor 6 is started to drive the eccentric shaft 20 to rotate, the driving plate 15 and the driving gear 17 rotate along with the driving gear 17, the driven gear 19 rotates along with the driving gear 17, the mounting plate 16 rotates synchronously along with the driving plate 15 under the action of magnetic force, when the front end of the limiting part 1601 on the mounting plate 16 rotates to a limiting position under the action of the clutch assembly, the mounting plate rotates to the limiting position, in the limiting position, the driven gear 19 is meshed with the inner gear ring 4, the inner gear ring 4 is fixed in the front shell, when the driven gear 19 rotates relative to the inner gear ring 4, the rear shell 5 is driven to rotate relative to the front shell 1, and, the mounting panel 16 no longer rotates along with the driving plate 15, and the driving plate 15 rotates along with the relative mounting panel 16 of motor output shaft 7, because of pivot subassembly 2 and backshell 5 fixed connection, consequently, pivot subassembly 2 is along with backshell 5 synchronous revolution, and pivot subassembly 2 drives lock core 3 and rotates along with it, realizes indoor automatic unblanking.

In the above description, it should be noted that the terms "mounted," "connected," and "connected" are used in a broad sense, and may be fixed, detachable, or integrally formed; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components.

Although the present invention has been described in terms of embodiments, those skilled in the art will recognize that there are numerous variations and modifications of the present invention without departing from the spirit of the invention, and it is intended that the appended claims encompass such variations and modifications without departing from the spirit of the invention.

Claims

1. An intelligent door lock comprises a front shell and is characterized by further comprising a rotating shaft assembly which is arranged on the front shell and can rotate relative to the front shell, and the rotating shaft assembly is connected with a lock cylinder;

the inner gear ring is fixedly arranged in the front shell;

the driving plate, the mounting plate and the driving gear are sequentially sleeved on the output end part of the motor output shaft, the driving plate and the driving gear cannot rotate relative to the motor output shaft, the mounting plate and the driving plate are adsorbed by magnetic force, and the mounting plate can rotate relative to the motor output shaft;

when the motor starts, drive driving plate, mounting panel and driving gear are rotatory, and driven gear is rotatory under the driving gear drives, and when spacing portion front end on the mounting panel rotated extreme position because of clutch assembly's effect, the mounting panel was no longer rotatory along with the driving plate, and driven gear and ring gear meshing, back shell and the relative preceding shell of pivot subassembly are rotatory.

2. The intelligent door lock according to claim 1, wherein the clutch assembly is two springs, the inner ends of the two springs are arranged inside the inner wall of the connecting end of the rear shell, and the outer ends of the two springs are arranged inside the connecting end of the rear shell; the two springs are respectively positioned on two sides of the mounting plate; in an initial state, at most one spring is in contact with one side surface of the front end of the limiting part.

3. The intelligent door lock of claim 1, wherein the clutch assembly is two first magnets, one second magnet, and the first and second magnets repel each other; two first magnets are installed on the inner wall of the connecting end of the rear shell and located on two sides of the installing plate, and the second magnet is installed in the limiting portion.

4. The intelligent door lock according to claim 1, wherein a sensor shaft capable of rotating relative to the sinking plate is provided on the sinking plate, and the sensor PCB, the angle sensor and the sensor gear are sequentially sleeved on the sensor shaft; the angle sensor and the sensor gear cannot rotate relative to the sensor shaft.

5. The intelligent door lock of claim 1, wherein the angle sensor is disposed on a surface of the sensor PCB board, and the sensor gear is disposed on the surface of the angle sensor; a magnetic induction sensor is arranged on the sensor PCB, and two induction magnets which are respectively positioned at two sides of the sensor shaft are arranged in the surface of the sensor gear.

6. The intelligent door lock according to claim 1, wherein the cross section of the motor output shaft is D-shaped, and D-shaped central holes adapted to the shape of the motor output shaft are formed in the transmission plate and the driving gear; a circular central hole is arranged in the mounting plate; two adsorption magnets for adsorbing the mounting plate are arranged in the transmission plate.

7. The intelligent door lock of claim 1, further comprising a pressing plate stacked on the surface of the mounting plate, wherein the pressing plate is sleeved on the eccentric shaft; the end part of the eccentric shaft is provided with a pressing strip, and the driving gear and the driven gear are positioned between the pressing strip and the pressing plate.

8. The intelligent door lock of claim 5, further comprising a mounting bracket and a sensor bearing; the sensor bearing is arranged in the sinking plate, and one end of the sensor shaft is arranged in the sensor bearing; two end plates of the mounting bracket are respectively fixedly connected with the sensor PCB and the sinking plate, and the other end of the sensor shaft is connected with a top plate of the mounting bracket.

9. The intelligent door lock of claim 1, wherein the spindle assembly comprises a mounting plate, a spindle vertically passing through the mounting plate and fixedly connected with the mounting plate; two sections of the rotating shaft positioned at the front side and the rear side of the mounting disc are respectively a front section of the rotating shaft and a rear section of the rotating shaft; the front end of the front section of the rotating shaft vertically penetrates through the bottom plate of the front shell and then is positioned outside the front shell; the rear end of the rear section of the rotating shaft is fixedly connected with the sinking plate.

10. The intelligent door lock according to claim 9, wherein a sunken seat is arranged in the inner bottom surface of the bottom plate, and the mounting plate is arranged in the sunken seat; the rear section of the rotating shaft is also sequentially sleeved with a first gasket, a supporting piece, a second gasket, a gasket and a baffle plate; two surfaces of the first gasket are respectively attached to the mounting disc and the support piece.

11. The intelligent door lock according to claim 10, wherein the support member is formed by integrally molding a ring body and a support plate disposed in one end of the ring body, a lower counter bore is disposed in the bottom surface of the support plate, and the second washer and the gasket are stacked and then disposed in the lower counter bore; the inner gear ring is fixed on the supporting plate through screws.

12. The intelligent door lock of claim 11, wherein the support plate is fixedly connected to the inner bottom surface of the bottom plate, and the mounting plate is axially fixed in the front housing by the support plate along the front housing.

13. The intelligent door lock according to claim 10, further comprising a pressing ring, wherein the pressing ring is located between the inner gear ring and the shielding plate, and a screw for fixing the inner gear ring sequentially penetrates through the inner gear ring, the pressing ring and the shielding plate to fix the inner gear ring, the pressing ring and the shielding plate on the supporting plate.

14. The intelligent door lock as claimed in claim 1, wherein a rear cover is provided at the rear end of the rear case, a battery mounting case, a battery and a circuit board are further provided in the rear case, the battery is provided in the battery mounting case, and the circuit board is electrically connected to the motor and the battery, respectively.