CN116591549A - Intelligent door lock - Google Patents

Abstract

The invention relates to an intelligent door lock, which comprises a shell, wherein a lock cylinder, a lock tongue assembly, a clutch gear, a shifting sheet assembly and a driving assembly are arranged in the shell, the lock cylinder is in transmission connection with the lock tongue assembly through the shifting sheet assembly, the clutch gear comprises a shaft sleeve assembly and a rotating shaft assembly, the shaft sleeve assembly is sleeved on the periphery of the rotating shaft assembly, and the shaft sleeve assembly and the rotating shaft assembly are respectively connected with the driving assembly and the shifting sheet assembly; the clutch gear is in a connection state and a separation state, when the clutch gear is in the connection state, the shaft sleeve assembly is connected with the rotating shaft assembly, and the driving assembly is in transmission connection with the plectrum assembly; when the clutch gear is in a separation state, the shaft sleeve component is separated from the rotating shaft component, and the transmission connection between the plectrum component and the driving component is disconnected. The invention has smart structure, can be added under the condition of power failure or self-locking of the driving component, and can separate the unlocking action from the driving component, thereby being convenient for realizing the smooth unlocking of the key or the inner door handle.

Description

A smart door lock

technical field

The invention relates to the field of intelligent door locks, in particular to an intelligent door lock.

Background technique

At present, the fully automatic lock bodies on the market are controlled by the electronic system to rotate the motor forward or reversely. The motor drives the deadbolt out or retracts through the transmission mechanism to realize the locked or unlocked state of the door lock. In some special cases, such as The electronic control system cannot work due to a power outage or failure, and the motor cannot rotate to realize the locking bolt or retraction. At this time, the transmission mechanism is prone to self-locking. If you directly use the key to turn the mechanical lock cylinder to retract the deadbolt to open the door, the key will appear. The situation that the lock cannot be opened will affect the use of the smart door lock, reduce the user experience, and even affect the safety of the user's life and property.

Contents of the invention

The purpose of the present invention is to provide an intelligent door lock with an ingenious structure, which can separate the unlocking action from the driving component when the driving component is powered off or self-locking, so as to facilitate the smooth unlocking of the key or the inner door handle.

An intelligent door lock, comprising a housing, the housing is provided with a lock core, a deadbolt assembly, a clutch gear, a paddle assembly, and a drive assembly, and the lock core is transmission-connected to the deadbolt assembly through the paddle assembly. The clutch gear includes a shaft sleeve assembly and a shaft assembly, the shaft sleeve assembly is sleeved on the outer periphery of the shaft assembly, and the shaft sleeve assembly and the shaft assembly are respectively connected with the drive assembly and the paddle assembly; the clutch gear has a connection state and In the disengaged state, when the clutch gear is in the connected state, the shaft sleeve assembly is connected to the rotating shaft assembly, and the driving assembly is in transmission connection with the paddle assembly; when the clutch gear is in the disengaged state, the shaft sleeve assembly is connected to the shaft assembly The rotating shaft assembly is disengaged, and the transmission connection between the paddle assembly and the driving assembly is disconnected.

In the above technical solution, during normal use, the clutch gear is in a connected state, and the driving assembly can drive the paddle assembly through the clutch gear, and then drive the lock tongue assembly to expand and contract through the paddle assembly to realize unlocking. When the key is operated, the lock cylinder drives the deadbolt assembly to expand and contract through the plectrum assembly, thereby realizing unlocking. When the driving component is powered off and the transmission mechanism is self-locking, force is applied to the clutch gear through the lock cylinder. When the force is greater than the threshold value of the clutch gear, the clutch gear can be switched from the connected state to the separated state. At this time, the shaft sleeve assembly and The shaft assembly is disengaged, the transmission connection between the paddle assembly and the drive assembly is disconnected, and the handle or key is continued to drive the lock bolt assembly to shrink to realize the unlocking action, which can effectively separate the clutch gear from the drive assembly and prevent the clutch gear from being driven by the drive assembly. Stuck, the above-mentioned structure is reasonable, which is conducive to realization, and the drive is efficient, and there will be no situation that the lock cannot be unlocked due to self-locking, which improves the safety of the lock body.

Further, the deadbolt assembly includes a square tongue assembly and a bolt assembly, and the paddle assembly includes a first paddle, a second paddle, and a third paddle connected in sequence, and the first paddle is sleeved On the outer periphery of the lock cylinder, the second paddle and the third paddle are respectively in transmission connection with the square tongue assembly and the oblique tongue assembly.

In the above technical solution, the lock cylinder is sequentially connected with the second dial and the third dial through the first dial, when the lock cylinder rotates, the first dial drives the second dial and the third dial to rotate simultaneously, and the second dial The second paddle drives the square tongue to retract through the movable plate, and the third pad drives the oblique tongue to retract through the connecting arm, so that the oblique tongue and the square tongue can be retracted at the same time, so that the lock cylinder can be unlocked only by rotating a small angle, simplifying The operation of unlocking is simplified, which makes the door lock more convenient to use, and is conducive to quick unlocking in emergency situations, thereby saving time and meeting the needs of quick escape.

Further, the rotating shaft assembly includes a shaft body, the outer periphery of the shaft body is provided with a boss, the third plectrum is provided with a dummy slot, the boss is located in the dummy slot, and the shaft body It can rotate and drive the boss to rotate. When the boss moves in the dummy slot, the shaft body and the third paddle can rotate relatively independently. When the boss and the slots at both ends of the dummy slot The wall is against the wall, and the shaft body can drive the third plectrum to rotate synchronously.

In the above technical solution, the clutch gear and the third paddle are coaxial, and the third paddle is provided with a dummy slot, and the boss can move in the dummy slot. When the boss moves within the corresponding angle range of the dummy slot, the clutch The gear and the third paddle can rotate relatively independently, and when the boss abuts against the groove walls at both ends of the dummy slot, the clutch gear can drive the third paddle to rotate synchronously. In specific use, the boss abuts against the groove wall at one end of the dummy groove in the initial state. At this time, the clutch gear can be driven to rotate through the drive assembly, and the clutch gear drives the lock tongue assembly to retract through the third paddle. After the action is completed, The drive assembly reversely rotates the preset angle to move the boss to the other end of the dummy slot, and when the lock is manually unlocked, the third paddle drives the lock tongue to retract, and the boss is at the corresponding angle of the dummy slot. Rotate within the range, the third paddle can rotate independently of the clutch gear, so as to avoid driving the driving part to move, reduce wear and prolong the service life.

Further, the first dial has at least one limiting groove for limiting its maximum rotation angle, the limiting groove is coaxial with the rotation axis of the first dial, and the limiting groove passes through a limiting bit post.

In the above technical solution, the rotation angle of the first paddle can be limited by the cooperation of the limiting groove and the limiting post, and the lock can be unlocked when the first paddle is rotated in place, thereby ensuring stable unlocking efficiency and more convenient use.

Further, the square tongue assembly includes a movable movable plate and several square tongues arranged at one end of the movable plate, the second plectrum extends outward to form a driving part, and the driving part is provided with a cylinder, The movable plate is provided with a driving groove, and the column is passed through the driving groove.

In the above technical solution, the driving part is connected with the movable plate through the cylinder. When the second plectrum is rotated, the cylinder can force the movable plate to move along the retraction direction of the square tongue through the driving groove, thereby driving the square tongue to retract. The structure Add order, easy to implement.

Further, the movable plate is provided with a guide groove, and the second paddle is provided with a guide column, and the guide column is coaxial with the rotation axis of the second paddle, and the guide column passes through the guide groove.

In the above technical solution, the guide groove can guide the movable plate to ensure the stability of the movable plate during the moving process.

Further, the latch tongue includes a main body, a connecting rod, and a first elastic member, the first elastic member is sheathed on the outer periphery of the connecting rod, one end of the connecting rod is connected to the main body, and the connecting rod The other end of the rod is provided with a stopper, and the third paddle has a connecting arm, and the connecting arm abuts against the stopper.

In the above technical solution, when the third paddle rotates, the connecting arm can abut against the stopper and apply force to the stopper, and the stopper drives the oblique tongue to retract into the housing to complete the unlocking.

Further, the clutch gear also includes several elastic assemblies, the elastic assemblies include a second elastic member and steel balls, the sleeve assembly is provided with several installation grooves, one end of the second elastic member is connected to the installation groove The groove walls are against each other, the steel ball is arranged at the other end of the second elastic member, and the outer circumference of the rotating shaft assembly is provided with several embedded grooves.

In the above technical solution, the elastic component can connect the shaft sleeve assembly and the shaft assembly. When the torque received by the shaft assembly is within a preset range, the shaft sleeve assembly and the shaft assembly rotate synchronously. When the torque received by the shaft assembly is greater than the preset value, The rotating shaft assembly can rotate independently relative to the shaft sleeve assembly, so that when the transmission assembly or driving part is powered off or stuck, the user can still unlock the lock with a key, meeting the need for quick unlocking in emergency situations.

Further, the driving assembly includes a driving element, a gear set, and a rack, the output end of the driving element is connected to the rack through the gear set, the rack is engaged with the clutch gear, and the driving assembly can drive the The rack moves along its length.

In the above technical solution, the driving part drives the clutch gear to rotate through the rack, so as to realize the opening and closing of the door lock, so that there is a larger accommodation space inside the housing, which is convenient for the layout of other components, and can effectively save costs, which is beneficial to Reduce the volume of the product.

Further, several sensor elements for sensing the positions of the deadbolt assembly and the paddle assembly are provided in the housing.

In the above technical solution, the sensor can sense the position of the bolt assembly and the paddle assembly, thereby judging the state of the door lock, and the user can obtain the state of the door lock in real time through a mobile device such as a mobile phone, which is more convenient to use.

Compared with the prior art, the beneficial effect of the present invention is: in normal use, the clutch gear is in the connected state, the driving assembly can drive the paddle assembly through the clutch gear, and then the paddle assembly can drive the lock tongue assembly to expand and contract to realize unlocking. When the key is operated, the lock cylinder drives the deadbolt assembly to expand and contract through the plectrum assembly, thereby realizing unlocking. When the driving component is powered off and the transmission mechanism is self-locking, force is applied to the clutch gear through the lock cylinder. When the force is greater than the threshold value of the clutch gear, the clutch gear can be switched from the connected state to the separated state. At this time, the shaft sleeve assembly and The shaft assembly is disengaged, the transmission connection between the paddle assembly and the drive assembly is disconnected, and the handle or key is continued to drive the lock bolt assembly to shrink to realize the unlocking action, which can effectively separate the clutch gear from the drive assembly and prevent the clutch gear from being driven by the drive assembly. Stuck, the above-mentioned structure is reasonable, which is conducive to realization, and the drive is efficient, and there will be no situation that the lock cannot be unlocked due to self-locking, which improves the safety of the lock body.

Description of drawings

FIG. 1 is a schematic structural diagram of an intelligent door lock according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the lock cylinder and the first plectrum according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a square tongue assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a latch tongue assembly and a third plectrum according to an embodiment of the present invention.

Fig. 5 is a structural schematic diagram of the clutch gear and the third paddle according to the embodiment of the present invention.

Fig. 6 is a schematic diagram of the internal structure of the clutch gear of the present invention.

Fig. 7 is a schematic structural diagram of the driving assembly of the present invention.

Explanation of reference numbers:

Housing 1, lock cylinder 2, bolt assembly 3, square tongue assembly 31, movable plate 311, square tongue 312, drive groove 313, guide groove 314, guide post 315, oblique tongue assembly 32, main body 321, connecting rod 322, Block 323, first elastic member 324, clutch gear 4, shaft sleeve assembly 41, rotating shaft assembly 42, shaft body 421, boss 422, embedded groove 423, elastic assembly 43, second elastic member 431, steel ball 432, pick Assembly 5, the first paddle 51, the first teeth 511, the limit groove 512, the limit post 513, the second paddle 52, the second teeth 521, the driving part 522, the cylinder 523, the third teeth 524 , the third paddle 53, the fourth tooth 531, the dummy slot 532, the connecting arm 533, the first piece 534, the second piece 535, the driving assembly 6, the driving member 61, the gear set 62, the helical gear 621, The first gear 622 , the second gear 623 , the third gear 624 , the rack 63 , and the sensor 7 .

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein.

As shown in Figures 1 to 6, in a preferred embodiment, the smart door lock of the present invention mainly includes a housing 1, and the housing 1 is provided with a lock cylinder 2, a bolt assembly 3, a clutch gear 4, and a paddle assembly 5, and drive assembly 6. The lock cylinder 2 is connected to the lock tongue assembly 3 through the paddle assembly 5. The clutch gear 4 includes a shaft sleeve assembly 41 and a shaft assembly 42. The shaft sleeve assembly 41 is sleeved on the outer periphery of the shaft assembly 42. Connect with drive assembly 6 and paddle assembly 5 respectively. Wherein, the clutch gear 4 has a connected state and a separated state. When the clutch gear 4 is in the connected state, the shaft sleeve assembly 41 is connected with the rotating shaft assembly 42, and the driving assembly 6 is connected with the paddle assembly 5; when the clutch gear 4 is in the separated state , the shaft sleeve assembly 41 is disengaged from the shaft assembly 42, and the transmission connection between the paddle assembly 5 and the drive assembly 6 is disconnected.

During normal use, the clutch gear 4 is in a connected state, and the driving assembly 6 can drive the paddle assembly 5 through the clutch gear 4, and then drive the locking tongue assembly 3 through the paddle assembly 5 to expand and contract to realize unlocking. When the key is operated, the lock core 2 drives the deadbolt assembly 3 to expand and contract through the plectrum assembly 5, thereby realizing unlocking. When the driving assembly 6 is powered off and the transmission mechanism is self-locking, force is applied to the clutch gear 4 through the lock cylinder 2. When the force is greater than the threshold of the clutch gear 4, the clutch gear 4 can be switched from the connected state to the separated state. When the shaft sleeve assembly 41 is separated from the rotating shaft assembly 42, the transmission connection between the paddle assembly 5 and the drive assembly 6 is disconnected, and the handle or key is continued to drive the lock bolt assembly 3 to shrink to realize the unlocking action, which can effectively make the clutch gear 4 Disengage from the drive assembly 6 to prevent the clutch gear 4 from being stuck by the drive assembly 6. The above-mentioned structure is reasonable, which is conducive to realization, and the drive is efficient.

Please refer to Figures 1 to 3, the deadbolt assembly 3 includes a square tongue assembly 31 and an oblique tongue assembly 32, and the paddle assembly 5 includes a first paddle 51, a second paddle 52, and a third paddle 53 connected in sequence, The first paddle 51 is sheathed on the outer periphery of the lock cylinder 2 , and the second paddle 52 and the third paddle 53 are in transmission connection with the square tongue assembly 31 and the oblique tongue assembly 32 respectively.

Exemplarily, the first paddle 51 has a first tooth 511, the second paddle 52 has a second tooth 521 and a third tooth 524, the third paddle 53 has a fourth tooth 531, and the first tooth 511 is meshed with the second tooth 521, the third tooth 524 is meshed with the fourth tooth 531, and the first paddle 51, the second paddle 52, and the third paddle 53 are driven by the meshing mode, and the structure is simple and easy Realized, and the connection between the three is stable.

The lock cylinder 2 is sequentially connected to the second dial 52 and the third dial 53 through the first dial 51. When the lock cylinder 2 rotates, the first dial 51 drives the second dial 52 and the third dial 53 to rotate simultaneously. , the second paddle 52 drives the square tongue 312 to retract through the movable plate 311, and the third paddle 53 drives the oblique tongue to retract through the connecting arm 533, thereby realizing the simultaneous retraction of the oblique tongue and the square tongue 312, so that two lock cylinders It can be unlocked by turning a small angle, which simplifies the operation of unlocking, makes the door lock more convenient to use, and is conducive to quick unlocking in emergency situations, thereby saving time and meeting the needs of quick escape.

Please refer to Fig. 2, the first paddle 51 has at least one limiting groove 512, the limiting groove 512 is used to limit its maximum rotation angle, the limiting groove 512 is coaxial with the rotation axis of the first paddle 51, and the limiting groove 512 A limiting column 513 is pierced. Exemplarily, there are two limiting grooves 512, and the two limiting grooves 512 are symmetrically arranged on both sides of the first dial 51, and the limiting grooves 512 are formed in an arc coaxial with the rotation axis of the first dial 51. , the limit groove 512 is pierced with a limit post 513, the limit post 513 is fixedly connected to the housing 1, and the rotation angle of the first paddle 51 can be limited by the cooperation of the limit slot 512 and the limit post 513, when the first paddle 51 can be unlocked after being rotated in place, thereby ensuring the stability of the efficiency of unlocking and making it more convenient to use.

Please refer to FIG. 3 , the square tongue assembly 31 includes a movable movable plate 311 and a number of square tongues 312 located at one end of the movable plate 311, and the second plectrum 52 extends outward to form a driving part 522, and the driving part 522 is provided with a cylinder 523 , the movable plate 311 is provided with a driving groove 313 , and the cylinder 523 is penetrated in the driving groove 313 . Exemplarily, the driving part 522 is protrudingly provided on the outer periphery of the second plectrum 52, the driving groove 313 is formed as an arc-shaped groove having an included angle with the moving direction of the movable plate 311, and the column 523 passes through the driving part 522 and extends to the driving Slot 313, when the second paddle 52 rotates, the cylinder 523 can be against the groove wall of the drive slot 313, forcing the movable plate 311 to move along the retraction direction of the square tongue 312, thereby driving the square tongue 312 to retract. In some embodiments, the cylinder 523 can be set to be able to rotate along its central axis, so that it can rotate along its own circumference when driving the movable plate 311 to move, thereby reducing the frictional force with the movable plate 311 and extending the The service life of cylinder 523 and movable plate 311.

The movable plate 311 is provided with a guide groove 314, and the extension direction of the guide groove 314 is parallel to the moving direction of the movable plate 311. The second plectrum 52 is provided with a guide post 315, and the guide post 315 is coaxial with the rotation axis of the second plectrum 52. The guide column 315 is passed through the guide groove 314 . The guide groove 314 can guide the movable plate 311 to ensure the stability of the movable plate 311 during the movement.

Please refer to Fig. 4, the latch tongue includes a main body 321 and a connecting rod 322, one end of the connecting rod 322 is connected to the main body 321, the other end of the connecting rod 322 is provided with a stopper 323, the third paddle 53 has a connecting arm 533, and the stopper 323 abuts against the connecting arm 533 . When the third paddle 53 rotates, the connecting arm 533 can abut against the stopper 323 and apply force to the stopper 323, and the stopper 323 drives the latch tongue to move away from the outside of the housing 1, thereby driving the latch tongue to retract into the housing 1. Finish unlocking. The outer circumference of the connecting rod 322 is provided with a first elastic member 324, the first elastic member 324 can be a spring, and the first elastic member 324 can form a force towards the outside of the housing 1 on the latch tongue, thereby ensuring that the latch tongue continues to extend Out of the shell 1. When the third paddle 53 rotates, the connecting arm 533 can abut against the stopper 323 and apply force to the stopper 323, and the stopper 323 drives the oblique tongue to retract into the housing 1 to complete the unlocking.

The rotating shaft assembly 42 includes a shaft body 421, a boss 422 is provided on the outer periphery of the shaft body 421, and a dummy slot 532 is provided on the third paddle 53, and the dummy slot 532 is formed as an arc-shaped slot with the center of the driven paddle as the axis, The boss 422 is located in the dummy slot 532, the shaft body 421 can rotate and drives the boss 422 to rotate, when the boss 422 moves in the dummy slot 532, the shaft body 421 and the third paddle 53 can rotate relatively independently, when the boss 422 moves in the dummy slot 532 The platform 422 abuts against the groove walls at both ends of the dummy groove 532 , and the shaft body 421 can drive the third paddle 53 to rotate synchronously.

The clutch gear 4 and the third paddle 53 are coaxial, and the third paddle 53 is provided with a dummy slot 532, and the boss 422 can move in the dummy slot 532, when the boss 422 moves within the corresponding angle range of the dummy slot 532 , the clutch gear 4 and the third paddle 53 can rotate relatively independently. When the boss 422 abuts against the groove walls at both ends of the dummy slot 532, the clutch gear 4 can drive the third paddle 53 to rotate synchronously.

It should be noted that, in this embodiment, the third plectrum 53 includes a stacked first piece 534 and a second piece 535, wherein the first piece 534 is provided with fourth teeth 531, which are used to connect the first piece 534 Two plectrums 52, the second piece body 535 is provided with connecting arm 533, and it is used for connecting the latch tongue assembly 32, and during specific implementation, only need to guarantee that the positions of the dummy slots 532 of the two pieces are corresponding. In some embodiments, the third paddle 53 can be integrally formed.

During specific use, the boss 422 abuts against the groove wall at one end of the dummy groove 532 in the initial state. At this time, the driving assembly 6 can be used to drive the clutch gear 4 to rotate, and the clutch gear 4 drives the deadbolt assembly 3 through the third paddle 53 Indent, after the action is completed, the driving assembly 6 reversely rotates the preset angle, so that the boss 422 moves to the other end of the dummy slot 532, and when the lock is manually unlocked, the third pick piece 53 drives the lock tongue to retract At this time, the boss 422 rotates within the corresponding angle range of the dummy slot 532, and the third paddle 53 can rotate independently of the clutch gear 4, so as to avoid driving the driving member 61 to act, thereby reducing wear and prolonging the service life.

Please refer to Fig. 5 and Fig. 6, the clutch gear 4 also includes several elastic assemblies 43, and the elastic assemblies 43 include a second elastic member 431 and a steel ball 432, and the shaft sleeve assembly 41 is provided with several installation grooves, and one end of the second elastic member 431 is connected to the The walls of the grooves are against each other, the steel ball 432 is disposed on the other end of the second elastic member 431 , and the outer periphery of the rotating shaft assembly 42 is provided with a plurality of insertion grooves 423 .

The elastic member can provide a continuous pressure on the steel ball 432, so that the steel ball 432 is pressed into the embedded groove 423, thereby connecting the shaft sleeve assembly 41 and the rotating shaft assembly 42, so that the two can rotate synchronously. When the shaft sleeve assembly 41 receives a torque greater than By default, the steel ball 432 moves to the other end of the mounting groove under the action of an external force, thereby disengaging from the insertion groove 423, so that the shaft sleeve assembly 41 and the shaft assembly 42 are separated, so that the shaft sleeve assembly 41 can rotate independently relative to the shaft assembly 42 .

It can be seen from the above technical solution that the elastic assembly 43 can connect the shaft sleeve assembly 41 and the shaft assembly 42. When the torque received by the shaft assembly 42 is within a preset range, the shaft sleeve assembly 41 and the shaft assembly 42 rotate synchronously. When the shaft assembly 42 is subjected to a torque greater than the preset value, the shaft assembly 42 can rotate independently relative to the shaft sleeve assembly 41, so that when the transmission assembly or the driving member 61 is powered off or stuck, the user can still unlock the lock with the key, which meets the needs of emergency situations. Under the demand for quick unlocking.

The drive assembly 6 includes a drive member 61, a gear set 62, and a rack 63. The output end of the drive member 61 is connected to the rack 63 through the gear set 62, and the rack 63 is engaged with the clutch gear 4. The drive assembly 6 can drive the rack 63 Move along its length.

Exemplarily, the driving member 61 adopts a motor, and the gear set 62 includes a helical gear 621, a first gear 622, a second gear 623, and a third gear 624. The helical gear 621 is connected to the output end of the driving member 61, and the first gear 622 It meshes with the helical gear 621 , the second gear 623 meshes with the first gear 622 and the third gear 624 , and the third gear 624 meshes with the rack 63 . The driving member 61 drives the first gear 622 to rotate through the helical gear 621, and drives the second gear 623 and the third gear 624 to rotate through the first gear 622, and then drives the rack 63 to move. The overall structure is simple and easy to implement.

The housing 1 is provided with a plurality of sensing parts 7 for sensing the positions of the dead bolt assembly 3 and the plectrum assembly 5, and the sensing parts 7 can be contact switches. In response to the position of the induction square tongue 312, the oblique tongue, and the lock cylinder 2, correspondingly, contact ends can be set on the movable plate 311, the third plectrum 53, and the first plectrum 51, when the square tongue 312, the oblique bolt or the lock cylinder 2 After the lock is unlocked in place, its contact end is in contact with the corresponding sensor 7, so as to realize the induction of the state of the lock tongue, and then judge the state of the door lock. The user can obtain the state of the door lock in real time through a mobile device such as a mobile phone, which is more convenient to use .

In describing the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed, and operate in a specific orientation and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. The intelligent door lock comprises a shell, and is characterized in that a lock cylinder, a lock tongue assembly, a clutch gear, a shifting block assembly and a driving assembly are arranged in the shell, the lock cylinder is in transmission connection with the lock tongue assembly through the shifting block assembly, the clutch gear comprises a shaft sleeve assembly and a rotating shaft assembly, the shaft sleeve assembly is sleeved on the periphery of the rotating shaft assembly, and the shaft sleeve assembly and the rotating shaft assembly are respectively connected with the driving assembly and the shifting block assembly;

the clutch gear is in a connection state and a separation state, when the clutch gear is in the connection state, the shaft sleeve assembly is connected with the rotating shaft assembly, and the driving assembly is in transmission connection with the plectrum assembly;

when the clutch gear is in a separation state, the shaft sleeve component is separated from the rotating shaft component, and the transmission connection between the plectrum component and the driving component is disconnected.

2. The intelligent door lock according to claim 1, wherein the latch assembly comprises a square latch assembly and a bevel latch assembly, the plectrum assembly comprises a first plectrum, a second plectrum and a third plectrum which are connected in sequence, the first plectrum is sleeved on the periphery of the lock cylinder, and the second plectrum and the third plectrum are respectively connected with the square latch assembly and the bevel latch assembly in a transmission way.

3. The intelligent door lock according to claim 2, wherein the rotating shaft assembly comprises a shaft body, a boss is arranged on the periphery of the shaft body, the third poking piece is provided with a virtual position groove, the boss is located in the virtual position groove, the shaft body can rotate and drive the boss to rotate, when the boss moves in the virtual position groove, the shaft body and the third poking piece can rotate relatively and independently, and when the boss abuts against the groove walls at two ends of the virtual position groove, the shaft body can drive the third poking piece to rotate synchronously.

4. The intelligent door lock according to claim 2, wherein the first paddle has at least one limiting groove for limiting a maximum rotation angle thereof, the limiting groove being coaxial with a rotation axis of the first paddle, and the limiting groove being provided with a limiting post.

5. The intelligent door lock according to claim 2, wherein the square tongue assembly comprises a movable plate and a plurality of square tongues arranged at one end of the movable plate, the second poking piece extends outwards to form a driving part, the driving part is provided with a cylinder, the movable plate is provided with a driving groove, and the cylinder penetrates through the driving groove.

6. The intelligent door lock according to claim 5, wherein the movable plate is provided with a guide groove, the second pulling piece is provided with a guide post, the guide post is coaxial with the rotation axis of the second pulling piece, and the guide post penetrates through the guide groove.

7. The intelligent door lock according to claim 2, wherein the oblique tongue comprises a main body, a connecting rod and a first elastic piece, the first elastic piece is sleeved on the periphery of the connecting rod, one end of the connecting rod is connected with the main body, a stop block is arranged at the other end of the connecting rod, and the third poking piece is provided with a connecting arm, and the connecting arm is abutted with the stop block.

8. The intelligent door lock according to claim 1, wherein the clutch gear further comprises a plurality of elastic components, the elastic components comprise a second elastic piece and steel balls, the shaft sleeve component is provided with a plurality of mounting grooves, one end of the second elastic piece abuts against the groove walls of the mounting grooves, the steel balls are arranged at the other end of the second elastic piece, and a plurality of embedded grooves are formed in the periphery of the rotating shaft component.

9. The intelligent door lock according to claim 1, wherein the driving assembly comprises a driving member, a gear set and a rack, the rack is close to the side plate, the length direction of the rack is parallel to the extending direction of the side plate, the output end of the driving member is connected with the rack through the gear set, the rack is meshed with the clutch gear, and the driving assembly can drive the rack to move along the length direction of the rack.

10. The intelligent door lock according to claim 1, wherein a plurality of sensing elements are provided in the housing for sensing the position of the deadbolt assembly and the paddle assembly.