CN113294030B

CN113294030B - Intelligent door lock

Info

Publication number: CN113294030B
Application number: CN202110510589.XA
Authority: CN
Inventors: 周烨
Original assignee: Zhejiang Voc Technology Co ltd
Current assignee: Zhejiang Voc Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-04-29
Anticipated expiration: 2041-05-11
Also published as: CN113294030A

Abstract

The invention discloses an intelligent door lock, which comprises a shell, wherein a driving gear, a main lock tongue, a lock cylinder and a motor are arranged in the shell, a tongue shifting gear is rotatably arranged on one side of the main lock tongue of the shell, lock cylinder shifting teeth are arranged on the outer wall of the lock cylinder, the lock cylinder shifting teeth are meshed with the tongue shifting gear, a first driven member and a second driven member are coaxially connected to the tongue shifting gear, the first driven member is fixedly connected with the tongue shifting gear, the second driven member is rotatably connected to the first driven member, a guide block and a guide groove are arranged between the second driven member and the first driven member, first driven teeth are arranged on the peripheral wall of the first driven member, second driven teeth are arranged on the peripheral wall of the second driven member, a clutch mechanism is also arranged between the lock cylinder shifting teeth and the motor, and a resetting member is also arranged in the shell. The whole structure is simple, the transmission structure is more reasonable, the resistance of the unlocking action of the key is reduced, and the smoothness of operation is improved.

Description

Intelligent door lock

Technical Field

The invention relates to an intelligent door lock.

Background

The intelligent door lock is an improved lockset on the basis of the traditional mechanical lock, and is more intelligent, simple and convenient in the aspects of user safety, identification and manageability. The intelligent door lock is an execution component for locking a door in an access control system. The intelligent door lock is different from a traditional mechanical lock, and is a composite lock with safety, convenience and advanced technology. The operation of unblock is mainly carried out through fingerprint, these several kinds of types of password and response card to current intelligent lock, thereby after the processing of inside chip finishes, thereby the control motor drives the follower and realizes the unblock action, but in present use, because the motor that is used for controlling the unblock mainly carries out the transmission through the gear, make and have great resistance between motor and the drive gear, when unblock when driving the lock core through the key, need great power just can accomplish the action of unblanking, influence customer's use and experience.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the intelligent door lock which is simple in overall structure, more reasonable in transmission structure, capable of retarding the resistance of the unlocking action of a key and capable of improving the smoothness of operation.

In order to achieve the purpose, the invention provides an intelligent door lock, which comprises a shell, wherein a driving gear, a main lock tongue, a lock cylinder and a motor for driving the driving gear to rotate are arranged in the shell, the main lock tongue is telescopically arranged on the shell, a tongue shifting gear is rotatably arranged on one side of the main lock tongue of the shell, a lock tongue shifting piece extends towards the main lock tongue by the tongue shifting gear, the lock tongue shifting piece is rotatably connected with the main lock tongue, a lock cylinder shifting tooth is arranged on the outer wall of the lock cylinder, the lock cylinder shifting tooth is meshed with the tongue shifting gear to form driving of the lock cylinder to stretch the main lock tongue, a first driven piece and a second driven piece which are sequentially meshed with the driving gear are coaxially connected on the tongue shifting gear, the first driven piece is fixedly connected with the tongue shifting gear, the second driven piece is rotatably connected on the first driven piece, a guide block and a guide groove arranged along the rotating track of the second driven piece are arranged between the second driven piece and the first driven piece, the lock comprises a lock core, a first driven piece, a second driven piece, a guide block, a first guide groove, a second guide groove, a first driven piece and a second driven piece, wherein the guide block is matched with the guide groove in a sliding mode, the first driven piece is arranged on the peripheral wall of the first driven piece, the second driven piece is arranged on the peripheral wall of the second driven piece and is used for being meshed with a driving gear to drive the first driven piece to rotate so that the first driven piece is meshed with the driving gear, a clutch mechanism used for enabling the motor to be separated from or matched with the driving gear is further arranged between the lock core shifting tooth and the motor, and a reset piece used for resetting the first driven piece is further arranged in a shell.

The beneficial effect who so sets up is: thus, with the structure, when the motor drives the main spring bolt to unlock, the motor drives the driving gear to rotate, the driving gear drives the second driven part to rotate firstly, a guide groove and a guide block are arranged between the second driven part and the first driven part, the second driven part rotates in advance, when the guide block is abutted against the side wall of the guide groove, the first driven part rotates along with the guide groove, so that the first driven teeth on the first driven part are meshed with the driving gear, the driving gear can drive the first driven part to rotate, the spring bolt gear is synchronously driven to rotate, the control on the main spring bolt is realized, when the main spring bolt is locked, the motor rotates reversely, the spring bolt gear rotates reversely through transmission, the extending and locking of the main spring bolt is controlled, after the spring bolt gear rotates in place, the driving gear is disengaged from the first driven part, and is meshed with the second driven part to reset, first follower is also under the effect of piece that resets, the return targets in place, here the setting of first driven tooth and the driven tooth number of teeth of second designs according to needs pivoted angle, need not arrange too much, certainly both need adopt same specification, the meshing of the driving gear of being convenient for, this kind of simple structure does benefit to the realization, improve overall structure's result of use, under this kind of structure, when using key operation unblock, because first follower does not have with driving gear engagement, can dial comparatively light rotation under the drive of tongue at the lock core, it says to reduce the required power of operation lock core rotation, reduce the resistance that drive gear brought, improve user's use and experience, this kind of transmission simple structure, and reasonable layout, effectively improve overall structure's result of use.

As a further arrangement of the invention, the clutch mechanism comprises a clutch dial, a clutch sleeve and a clutch push plate, the clutch shifting piece is rotationally arranged on the shell, the clutch pushing piece is arranged on the shell in a sliding manner, one end of the clutch pushing piece is abutted against the lock cylinder shifting tooth, the other end of the clutch pushing piece is abutted against the clutch shifting piece to form driving for swinging the clutch shifting piece during sliding, the motor is in transmission connection with the driving gear through a transmission gear, an output shaft of the motor is arranged as a square shaft, the clutch sleeve is sleeved on the output shaft of the motor in a sliding manner, a positioning groove and a positioning fixture block are arranged between the clutch sleeve and the transmission gear, the positioning groove and the positioning clamping block are clamped to form the drive of the motor for driving the transmission gear to rotate, the output shaft of the motor is also sleeved with a return spring, reset spring sets up between separation and reunion external member and motor, separation and reunion plectrum is contradicted on separation and reunion external member outer wall.

The beneficial effect who so sets up is: the clutch mechanism is arranged into the structure, when the unlocking is carried out by a key, the key controls the lock core to rotate, the lock core drives the lock core shifting teeth to rotate, so as to abut against the clutch pushing sheet, the clutch pushing sheet slides to push the clutch shifting piece to swing, the clutch shifting piece shifts the clutch sleeve piece to slide, the positioning fixture block is separated from the positioning groove, the motor can not drive the transmission gear any more, so as to relieve the driving gear, the separation action of the motor and the driving gear is realized, after the key operation is completed, the lock core resets, the clutch pushing sheet resets under the action of self gravity or a tension spring structure, the clutch shifting piece is not abutted any more, the clutch shifting piece resets under the action of self gravity or other tension spring structures, so as to not abut against and push the clutch sleeve piece, the clutch sleeve piece is under the action of a reset spring, and the positioning fixture block enters the positioning groove again, realize motor and drive gear combination between them, this kind of simple structure realizes that the motor no longer interferes when the key operation, avoids the motor to appear damaging the condition of locking the driving gear, and after the operation is accomplished, this kind of simple structure does benefit to the realization simultaneously, and the structure is more reasonable, and the drive is high-efficient, is difficult for appearing the dead condition of lock, improves overall structure's result of use.

In a further aspect of the present invention, the clutch kit is provided with a pushing groove along a circumferential direction, and an end of the clutch dial extends into the pushing groove.

The beneficial effect who so sets up is: set up like this, through the cooperation that the piece was dialled with the separation and reunion in the lapse groove, it is better to stir the effect, and the separation and reunion is dialled the piece and is difficult for breaking away from the separation and reunion external member, and the structure is more simple simultaneously, does benefit to the realization, effectively improves overall structure's stability in use.

As a further arrangement of the invention, the clutch dial is arranged in a U shape, the clutch dial comprises a base, and a first dial arm and a second dial arm respectively arranged at two sides of the base, the base is rotatably connected to the housing, the clutch push plate is abutted against the first dial arm, and the second dial arm extends into the pushing groove.

The beneficial effect who so sets up is: set up like this, will close and dial the piece and set to this kind of structure, the space utilization is more reasonable, can set up the latch bolt structure in the enclosure space that forms between two arms, improves space utilization, and this kind of form, simple structure simultaneously stirs effectually, and the transmission is more stable, can not influence the use of other structures.

As a further arrangement of the present invention, the second toggle arms are provided in two and extend into the pushing groove, respectively.

The beneficial effect who so sets up is: set up like this, set up two second and dial the arm for dial the arm and the contact of separation and reunion external member more stable, in time one of them dial that the arm can not be fine stir another piece of stirring of separation and reunion external member and also can stir, thereby can effectively improve the result of use, further two are dialled the arm and are stirred the separation and reunion external member simultaneously and slide, make separation and reunion external member atress more even, slide more smoothly, the difficult condition that the card shell appears effectively improves overall structure's stability in use.

As a further arrangement of the clutch sleeve, the positioning groove is formed in the transmission gear, the positioning clamping block is arranged on the clutch sleeve, the positioning groove is arranged in a fan shape, and the positioning groove is in clearance fit with the positioning clamping block.

The beneficial effect who so sets up is: the locating groove is arranged to be fan-shaped, and meanwhile, the locating groove is in clearance fit with the locating fixture blocks, so that the locating groove is larger in space for accommodating the locating fixture blocks, the locating fixture blocks can enter the locating groove more conveniently and smoothly, the situation that the locating fixture blocks cannot enter the locating groove is not prone to occurring, the structure is simple, the locating groove is beneficial to implementation, and the use stability of the whole structure is effectively improved.

As a further arrangement of the invention, a sliding block and a sliding groove are arranged between the clutch pushing plate and the shell, and the sliding block is in sliding fit with the sliding groove.

The beneficial effect who so sets up is: the clutch pushing piece is arranged like this, the sliding stability of the clutch pushing piece is effectively improved, the structure is simple, the installation is more convenient, and the using effect of the overall structure is improved.

As a further arrangement of the invention, the shifting tongue gear is connected to the housing through a connecting shaft, the first driven member is rotatably sleeved on the connecting shaft and is fixedly connected with the shifting tongue gear through a connecting pin, the guide block is arranged on the first driven member, the second driven member is rotatably sleeved on the connecting shaft, the guide groove is arranged on the second driven member, and the end of the connecting shaft is connected with a pressing sleeve for limiting the second driven member to be disengaged.

The beneficial effect who so sets up is: set up like this, it is more convenient during the integral erection, the cover is established in proper order and is dialled tongue gear, first follower and second follower and can accomplish the installation fast, and simple structure does benefit to the realization simultaneously, and connection structure is also very stable, effectively improves overall structure's result of use.

Drawings

FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structural arrangement of an embodiment of the present invention;

FIG. 3 is an exploded view of the follower and deadbolt gear of an embodiment of the present invention;

FIG. 4 is a schematic layout of a clutch mechanism according to an embodiment of the present invention;

fig. 5 is an exploded view of the motor drive structure in an embodiment of the present invention.

Detailed Description

The embodiment of the intelligent door lock of the invention is shown in fig. 1 to 5: the lock comprises a shell 1, wherein a driving gear 41, a main bolt 3, a lock cylinder 2 and a motor 4 for driving the driving gear 41 to rotate are arranged in the shell 1, the main bolt 3 is telescopically arranged on the shell 1, a bolt shifting gear 31 is rotatably arranged on one side of the main bolt 3 of the shell 1, the bolt shifting gear 31 extends towards the main bolt 3 to form a bolt shifting piece 32, the bolt shifting piece 32 is rotatably connected with the main bolt 3, a lock cylinder shifting tooth 21 is arranged on the outer wall of the lock cylinder 2, the lock cylinder shifting tooth 21 is meshed with the bolt shifting gear 31 to form the driving of the lock cylinder 2 to the main bolt 3 to be telescopic, a first driven piece 61 and a second driven piece 62 which are sequentially meshed with the driving gear 41 are coaxially connected on the bolt shifting gear 31, the first driven piece 61 is fixedly connected with the bolt shifting gear 31, and the second driven piece 62 is rotatably connected on the first driven piece 61, a guide block 612 and a guide groove 622 arranged along the rotation track of the second follower 62 are arranged between the second follower 62 and the first follower 61, the guide block 612 is in sliding fit with the guide groove 622, a first driven tooth 611 is arranged on the peripheral wall of the first follower 61, a second driven tooth 621 used for being meshed with the driving gear 41 to drive the first follower 61 to rotate so that the first driven tooth 611 is meshed with the driving gear 41 is arranged on the peripheral wall of the second follower 62, a clutch mechanism used for disengaging the motor 4 or matching the driving gear 41 is further arranged between the lock cylinder shifting tooth 21 and the motor 4, and a reset piece 63 used for resetting the first follower 61 is further arranged in the housing 1. The beneficial effect who so sets up is: with the structure, when the motor 4 drives the main bolt 3 to unlock, the motor 4 drives the driving gear 41 to rotate, the driving gear 41 first drives the second driven member 62 to rotate, the guide groove 622 and the guide block 612 are arranged between the second driven member 62 and the first driven member 61, the second driven member 62 rotates in advance, when the guide block 612 is abutted against the side wall of the guide groove 622, the first driven member 61 rotates along with the first driven member, so that the first driven tooth 611 on the first driven member 61 is meshed with the driving gear 41, the driving gear 41 can also drive the first driven member 61 to rotate, the bolt shifting gear 31 is synchronously driven to rotate, the control on the main bolt 3 is realized, when the lock is locked, the motor 4 rotates reversely, the bolt shifting gear 31 rotates reversely through transmission, the extension and locking of the main bolt 3 are controlled, after the bolt shifting gear 31 rotates in place, the driving gear 41 is disengaged from the first driven member 61, the first driven part 61 is meshed with the second driven part 62 to drive the second driven part 62 to reset, and the first driven part 61 is also reset to the right position under the action of the resetting part 63, the number of the first driven tooth 611 and the second driven tooth 621 is designed according to the rotation angle, and the arrangement is not required to be excessive, the two gears need to adopt the same specification, so that the meshing of the driving gear 41 is convenient, the structure is simple, the realization is facilitated, the use effect of the whole structure is improved, in this configuration, when the key is used to operate the lock release, since the first follower 61 is not engaged with the driving gear 41, can dial comparatively light rotation under the drive of tongue at lock core 2, reduce the required power of operation lock core 2 rotation way, reduce the resistance that drive gear 42 brought, improve user's use and experience, this kind of transmission simple structure, rationally distributed, effectively improve overall structure's result of use.

As a further setting of this embodiment, the clutch mechanism includes a clutch dial 5, a clutch kit 43 and a clutch push plate 7, the clutch dial 5 is rotatably disposed on the housing 1, the clutch push plate 7 is slidably disposed on the housing 1, one end of the clutch push plate 7 is abutted to the lock cylinder dial tooth 21, the other end of the clutch push plate is abutted to the clutch dial 5 to form a driving for the clutch dial 5 to swing when sliding, the motor 4 is in transmission connection with the driving gear 41 through the transmission gear 42, the output shaft of the motor 4 is set as a square shaft, the clutch kit 43 is slidably sleeved on the output shaft of the motor 4, a positioning groove 421 and a positioning fixture block 431 are disposed between the clutch kit 43 and the transmission gear 42, the positioning groove 421 and the positioning fixture block 431 are in clamping connection to form a driving for the transmission gear 42 to rotate by the motor 4, the output shaft of the motor 4 is further sleeved with a return spring 44, the return spring 44 is arranged between the clutch sleeve 43 and the motor 4, and the clutch dial 5 abuts against the outer wall of the clutch sleeve 43. The beneficial effect who so sets up is: so set up, the off-going mechanism sets up to this kind of structure, when unblock through the key, key control lock core 2 rotates, lock core 2 drives lock core group tooth 21 and rotates, thereby contradict on separation and reunion push jack 7, make separation and reunion push jack 7 slide thereby promote separation and reunion plectrum 5 swing, make separation and reunion plectrum 5 stir the slip of clutch external member 43, make location fixture block 431 and constant head tank 421 break away from, make motor 4 no longer can drive gear 42, thereby relieve the drive to driving gear 41, realize the disengagement action of motor 4 and driving gear 41, after accomplishing the key operation, lock core 2 resets, separation and reunion push jack 7 receives the effect of self gravity or extension spring structure to reset, no longer contradict clutch plectrum 5, separation and reunion plectrum 5 receives the effect swing of self gravity or other extension spring structures to reset, thereby no longer contradict and pass clutch external member 43, clutch external member 43 receives the effect of reset spring 44, make location fixture block 431 reentrant the constant head tank 421 once more, realize motor 4 and drive gear 42 combination between them, this kind of simple structure, the realization is when the key operation, and motor 4 no longer disturbs, avoids motor 4 to appear damaging the condition of locking driving gear 41, and after the operation is accomplished, this kind of simple structure does benefit to the realization simultaneously, and the structure is more reasonable, and the drive is high-efficient, is difficult for appearing the dead condition of lock, improves overall structure's result of use.

In a further aspect of the present embodiment, the clutch sleeve 43 is provided with a pushing groove 432 along the circumferential direction, and the end of the clutch dial 5 extends into the pushing groove 432. The beneficial effect who so sets up is: set up like this, through pushing groove 432 and the cooperation that the separation and reunion dialled piece 5, it is better to stir the effect, and the separation and reunion dials piece 5 and is difficult for breaking away from separation and reunion external member 43, and the structure is more simple simultaneously, does benefit to the realization, effectively improves overall structure's stability in use.

As a further configuration of the present embodiment, the clutch dial 5 is provided in a U shape, the clutch dial 5 includes a base 51 and a first dial arm 52 and a second dial arm 53 respectively provided on both sides of the base 51, the base 51 is rotatably connected to the housing 1, the clutch push plate 7 abuts against the first dial arm 52, and the second dial arm 53 extends into the pushing groove 432. The beneficial effect who so sets up is: set up like this, will close and dial 5 and set to this kind of structure, the space utilization is more reasonable, can set up the latch bolt structure in the enclosure space that forms between two arms, improves space utilization, and this kind of form simultaneously, simple structure stirs effectually, and the transmission is more stable, can not influence the use of other structures.

In a further configuration of the present embodiment, the second toggle arms 53 are provided in two pieces and extend into the pushing grooves 432, respectively. The beneficial effect who so sets up is: set up like this, set up two second and dial movable arm 53 for dial movable arm and clutch external member 43's contact is more stable, and in time one of them dials movable arm and can not be fine stir another piece of stirring of clutch external member 43 and also can stir, thereby can effectively improve the result of use, and further two are dialled movable arms and are stirred clutch external member 43 simultaneously and slide, make clutch external member 43 atress more even, slide more smoothly, the difficult condition that appears blocking the shell, effectively improve overall structure's stability in use.

As a further arrangement of the present embodiment, the positioning groove 421 is disposed on the transmission gear 42, the positioning block 431 is disposed on the clutch kit 43, the positioning groove 421 is disposed in a fan shape, and the positioning groove 421 is in clearance fit with the positioning block 431. The beneficial effect who so sets up is: set up like this, set up constant head tank 421 into fan-shaped, constant head tank 421 and location fixture block 431 clearance fit simultaneously for constant head tank 421 has the bigger space of accommodating location fixture block 431, makes location fixture block 431 get into constant head tank 421 more convenient smooth, and the difficult unable condition that gets into constant head tank 421 of location fixture block 431 that appears, the structure is also comparatively simple simultaneously, does benefit to the realization, effectively improves overall structure's stability in use.

As a further configuration of the present embodiment, a sliding block and a sliding groove are disposed between the clutch pushing plate 7 and the housing 1, and the sliding block is in sliding fit with the sliding groove. The beneficial effect who so sets up is: set up like this, effectively improve the gliding stability of separation and reunion push jack 7 to simple structure is convenient for install more, improves overall structure's result of use.

As a further configuration of the present embodiment, the tongue pulling gear 31 is connected to the housing 1 through a connecting shaft 11, the first driven member 61 is rotatably sleeved on the connecting shaft 11 and is fixedly connected to the tongue pulling gear 31 through a connecting pin, the guide block 612 is arranged on the first driven member 61, the second driven member 62 is rotatably sleeved on the connecting shaft 11, the guide groove 622 is arranged on the second driven member 62, and the end of the connecting shaft 11 is connected to a pressing sleeve for limiting the second driven member 62 to be disengaged. The beneficial effect who so sets up is: set up like this, it is more convenient during the integral erection, the cover is established in proper order and is dialled tongue gear 31, first follower 61 and second follower 62 and can accomplish the installation fast, and simple structure does benefit to the realization simultaneously, and connection structure is also very stable, effectively improves overall structure's result of use.

The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides an intelligent door lock, includes the casing, be provided with driving gear, main spring bolt, lock core in the casing and be used for driving gear pivoted motor, main spring bolt telescopic sets up on the casing, its characterized in that: the lock is characterized in that a shifting tongue gear is rotatably arranged on one side of a main lock tongue of the shell, the shifting tongue gear extends towards the main lock tongue to form a lock tongue shifting piece, the lock tongue shifting piece is rotatably connected with the main lock tongue, a lock cylinder shifting tooth is arranged on the outer wall of the lock cylinder, the lock cylinder shifting tooth is meshed with the shifting tongue gear to form lock cylinder rotation to drive the main lock tongue to stretch, a first driven piece and a second driven piece which are sequentially meshed with the driving gear are coaxially connected onto the shifting tongue gear, the first driven piece is fixedly connected with the shifting tongue gear, the second driven piece is rotatably connected onto the first driven piece, a guide groove is formed in the second driven piece, the radian of the guide groove is matched with the motion track of the second driven piece, a guide block is arranged on the first driven piece and is in sliding fit with the guide groove, a first driven tooth is arranged on the peripheral wall of the first driven piece, and a second driven piece is arranged on the peripheral wall of the second driven piece and is meshed with the driving gear to drive the first driven piece to rotate so that the first driven piece can be driven piece The lock core is provided with a first driven part, a second driven part meshed with the driving gear, a clutch mechanism used for enabling the motor to be disengaged or matched with the driving gear is further arranged between the lock core shifting tooth and the motor, and a reset piece used for resetting the first driven part is further arranged in the shell.

2. The intelligent door lock of claim 1, wherein: clutch mechanism includes that the separation and reunion dials piece, separation and reunion external member and separation and reunion push jack, the separation and reunion is dialled the piece and is rotated the setting on the casing, the separation and reunion push jack slides and sets up on the casing, separation and reunion push jack one end is dialled the tooth with the lock core and is inconsistent, and the other end is dialled the piece conflict with the separation and reunion and is formed and dial the wobbling drive of piece when sliding, the motor passes through drive gear and driving gear transmission and be connected, the output shaft of motor sets up to the square shaft, separation and reunion external member slip cap is established on motor output shaft, set up constant head tank and location fixture block between separation and reunion external member and the drive gear, constant head tank and location fixture block joint form the motor to the drive gear pivoted drive, still the cover is equipped with reset spring on the motor output shaft, reset spring sets up between separation and reunion external member and motor, the separation and reunion is dialled the piece and is contradicted on separation and reunion external member outer wall.

3. The intelligent door lock of claim 2, wherein: the clutch sleeve is provided with a pushing groove along the circumferential direction, and the end of the clutch shifting piece extends into the pushing groove.

4. The intelligent door lock of claim 3, wherein: the clutch shifting piece is arranged in a U shape and comprises a substrate, a first shifting arm and a second shifting arm, wherein the first shifting arm and the second shifting arm are arranged on two sides of the substrate respectively, the substrate is connected to the shell in a rotating mode, the clutch push plate is abutted to the first shifting arm, and the second shifting arm extends into the pushing groove.

5. The intelligent door lock of claim 4, wherein: the second poking arms are arranged in two and extend into the pushing groove respectively.

6. The intelligent door lock according to claim 2 or 3 or 4 or 5, wherein: the locating slot is arranged on the transmission gear, the locating fixture block is arranged on the clutch sleeve, the locating slot is in a fan-shaped arrangement, and the locating slot is in clearance fit with the locating fixture block.

7. The intelligent door lock of claim 2, wherein: and a sliding block and a sliding groove are arranged between the clutch push plate and the shell, and the sliding block is in sliding fit with the sliding groove.

8. The intelligent door lock of claim 1, wherein: dial the tongue gear and pass through the connecting axle and connect on the casing, first follower rotates the cover and establishes on the connecting axle and through connecting pin and dial tongue gear fixed connection, the guide block sets up on first follower, the second follower rotates the cover and establishes on the connecting axle, the guide way sets up on the second follower, connecting axle end connection has the pressure cover that is used for restricting the second follower and deviates from.