CN214145083U

CN214145083U - Intelligent induction door lock

Info

Publication number: CN214145083U
Application number: CN202022140166.7U
Authority: CN
Inventors: 邵小宝
Original assignee: Zhongshan Leo Metal Technology Co ltd
Current assignee: Zhongshan Leo Metal Technology Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-09-07
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to the field of door locks, in particular to an intelligent induction door lock, which comprises a shell and a mechanical lock structure arranged in the shell, wherein the shell is provided with a keyhole lock, a handle core mounting hole and a knob mounting hole which run through two ends; through the design of maincenter mechanism, the mode that adopts central control comes the modularized drive mechanism that connects, the hand (hold) core, key lock core and knob core, actuating mechanism, the hand (hold) core, the drive of key lock core and knob core all coordinates each other through maincenter mechanism, compare in the mode of actuating mechanism single control hand (hold) core, key lock core and knob core, the part structure can be simplified to maincenter mechanism structure, realize centralized control, the volume has been reduced, it is harmonious more in the cooperation, and service life is prolonged.

Description

Intelligent induction door lock

Technical Field

The utility model belongs to the technical field of the lock and specifically relates to an intelligence response lock is related to.

Background

Along with the continuous development of science and technology, people's standard of living is higher and higher, in order to keep up with the step of intelligent era, and the lock improves into the mechanical structure that possesses intelligent control from traditional manual mechanical structure, through installation actuating mechanism in the lock, replaces manual operation through actuating mechanism, makes the lock can carry out the automatic switch lock on using, has improved people's standard of living.

However, the existing intelligent lock has low matching degree in structure, and a common door lock is provided with a handle core for opening and closing the door at two sides of the door by adopting a handle, a key lock core for opening and closing the lock at two sides of the door by adopting a key and a knob core for opening and closing the lock at the inner side of the door by adopting a knob; after the driving mechanism is matched, the matching between the driving mechanism and the handle core, the key lock core and the knob core needs to be considered, and the structural design is difficult to combine with each other, so that the designed door lock has the defects of complex structure, large volume and short service life, and therefore, a technical scheme is necessary to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

An intelligent induction door lock comprises a shell and a mechanical lock structure arranged in the shell, wherein a key hole lock, a handle core mounting hole and a knob mounting hole which penetrate through two ends of the shell are arranged on the shell, a locking piece positioning plate is arranged on the side part of the shell, and a square bolt mounting hole and a latch bolt mounting hole which are communicated with the inside of the locking piece positioning plate are formed in the locking piece positioning plate; the mechanical lock structure comprises a key lock cylinder, a handle cylinder, a knob cylinder, a driving mechanism, a square tongue locking piece, an inclined tongue locking piece and a central mechanism, wherein the key lock cylinder is in power connection with a key hole lock; the central mechanism comprises a first gear, a second gear, a third gear, an oblique tongue driving piece, a square tongue driving piece, a central connecting plate and a cam driving piece, the first gear and the second gear are movably sleeved on a handle core, the first gear is in power connection with the driving mechanism, a control locking piece is arranged on the first gear, a notch groove is formed in the second gear, the control locking piece is in limit fit with the notch groove, the oblique tongue driving piece is in power connection with the handle core, the oblique tongue driving piece is provided with a rotating arm, the rotating arm is in butt fit with the control locking piece, an ejector rod is arranged on the inner side of the oblique tongue locking piece, a positioning seat is arranged inside the shell, the ejector rod is in sliding connection with the positioning seat, a first spring is sleeved on the ejector rod, two ends of the first spring are respectively in butt connection with the positioning seat and the oblique tongue locking piece, the ejector rod extends through the positioning seat, a push plate is arranged on the extending end of the ejector rod, and the rotating arm is in power connection with the push plate; a central positioning shaft is arranged in the shell, a third gear and a cam driving piece are movably sleeved on the central positioning shaft, the third gear is axially connected with the cam driving piece, and a second gear is meshed with the third gear; the central pivot connecting plate is provided with a connecting plate limiting groove, a connecting plate movable groove and a connecting plate driving groove; a cam rotating shaft is formed on the cam driving piece, the connecting plate limiting groove is connected with the central positioning shaft in a sliding mode, and the connecting plate movable groove is connected with the cam rotating shaft in a sliding mode; the shaping of square tongue driving piece is in the lateral part of knob core, square tongue driving piece extends there are square tongue connecting portion and lock core connecting portion, be provided with the lock core pivot on the lock core connecting portion, be provided with the square tongue pivot on the square tongue connecting portion, lock core pivot power is connected in the key lock core, square tongue latch lateral part shaping has the latch fitting drive plate, be provided with latch fitting constant head tank and latch fitting movable groove on the latch fitting drive plate, latch fitting movable groove and connecting plate drive groove all with square tongue pivot sliding connection, sliding connection has the spacing axle of square tongue in the latch fitting constant head tank, the spacing axle shaping of square tongue is inside the shell.

Preferably, actuating mechanism includes motor, circuit board, door magnetism and gear spare, and motor and circuit board are installed inside the shell, and the door magnetism is installed on the latch fitting locating plate, and gear spare power connection motor passes through gear spare power and connects first gear.

Preferably, the central connection plate is provided with a locking plate, and the latch tongue driving piece is provided with a locking arm which is in abutting fit with the locking plate.

Preferably, the latch bolt driving piece comprises a latch bolt driving ring and a handle core driving ring, a positioning clamping groove is formed in the side portion of the handle core, the handle core driving ring is in clamping fit with the positioning clamping groove, the rotating arm is arranged on the latch bolt driving ring, the locking arm is arranged on the handle core driving ring, a pushing block is arranged on the handle core driving ring, and the pushing block is in power connection with the rotating arm.

Preferably, the latch bolt driving ring is provided with a limiting arm outwards, the third gear is provided with a limiting locking block, and the limiting arm is in limiting fit with the limiting locking block.

Preferably, the handle core driving ring is outwards provided with a reset arm, the reset arm is connected with a second spring, and the second spring is connected in the shell.

Preferably, the pivot location is epaxial to be cup jointed the movable ring, and the lateral part of movable ring is provided with two push rods, and the shaping of third gear lower extreme has the activity ejector pad, and activity ejector pad and push rod power fit, and the outside shaping of cam driving piece has the right angle ejector pad, and right angle ejector pad power fit is between two push rods.

Preferably, the central connecting plate extends to form a limiting rod, a limiting seat is arranged in the shell, and the limiting rod is connected with the limiting seat in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

by arranging the center connecting plate, the center connecting plate is provided with a connecting plate limiting groove, a connecting plate movable groove and a connecting plate driving groove, the connecting plate limiting groove is matched with the center positioning shaft, the movable position of the central connecting plate is limited, and then the central connecting plate slides in the connecting plate movable groove in a circular motion mode by matching with a rotating shaft on the cam driving piece, so that the central connecting plate can tend to move towards the two tail end positions, thereby driving the connecting plate to drive the dead bolt rotating shaft in the groove, the dead bolt rotating shaft will push the dead bolt driving piece to rotate, thereby realizing the technical effect of synchronous operation with the key lock cylinder and the knob lock cylinder, the square tongue rotating shaft is also connected with the locking piece movable groove on the locking piece driving plate in a sliding way, the locking piece driving plate is limited through the square tongue limiting shaft, and the square tongue locking piece is driven to stretch out and draw back in the square tongue mounting hole through the limiting matching of the square tongue limiting shaft and the circular motion of the square tongue rotating shaft so as to realize the locking and unlocking operation; when the unlocking operation is realized, the control locking block simultaneously pushes the second gear and the rotating arm to contract the square tongue locking piece and the oblique tongue locking piece so as to realize the unlocking and door opening operation, then the driving mechanism controls the first gear to rotate again to make the control locking piece slide to the other end of the notch groove, and the first gear does not drive the second gear because the first gear does not drive the square tongue locking piece to extend out and control the rotation process of the locking piece, due to the action of the first spring or the reset action of the handle connected with the intelligent induction door lock, the rotating arm can be driven to reset, so that the latch bolt locking piece stretches out again, and the door closing operation is realized; through the design of maincenter mechanism, the mode that adopts central control comes the modularized drive mechanism that connects, the hand (hold) core, key lock core and knob core, actuating mechanism, the hand (hold) core, the drive of key lock core and knob core all coordinates each other through maincenter mechanism, compare in the mode of actuating mechanism single control hand (hold) core, key lock core and knob core, the part structure can be simplified to maincenter mechanism structure, realize centralized control, the volume has been reduced, it is harmonious more in the cooperation, and service life is prolonged.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the mechanical lock structure of the present invention.

Fig. 3 is a schematic view of the connection structure of the square-tongue lock piece and the central pivot mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the third gear, the cam driving member and the movable ring in the present invention.

Fig. 5 is an exploded view of the connection structure of the knob core and the hub mechanism of the present invention.

Fig. 6 is a schematic view showing a connection structure of the latch lock, the knob core and the key cylinder according to the present invention.

Fig. 7 is a schematic structural view of the door in the locked state of the present invention.

Fig. 8 is a schematic structural view of the middle and lower lock in the open state of the present invention.

Fig. 9 is a schematic structural view of the door of the present invention in a middle and lower locking state.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 9, in an embodiment of the present invention, an intelligent induction door lock includes a housing 10 and a mechanical lock structure disposed in the housing 10, the housing 10 is provided with a keyhole lock 11, a handle core mounting hole 13 and a knob mounting hole 12, the keyhole lock 11, the handle core mounting hole and the knob mounting hole penetrate through two ends of the housing, a lock positioning plate 14 is disposed on a side portion of the housing 10, and the lock positioning plate 14 is provided with a square bolt mounting hole 15 and a latch bolt mounting hole 16, which communicate with the inside of the lock positioning plate; the mechanical lock structure comprises a key lock cylinder 30, a handle cylinder 80, a knob cylinder 40, a driving mechanism 50, a square tongue lock piece 60, an oblique tongue lock piece 70 and a pivot mechanism 20, wherein the key lock cylinder 30 is in power connection with a key hole lock 11, the handle cylinder 80 is movably connected with a handle cylinder mounting hole 13, the knob cylinder 40 is movably mounted in a knob mounting hole 12, the square tongue lock piece 60 is in sliding connection with a square tongue mounting hole 15, and the oblique tongue lock piece 70 is in sliding connection with an oblique tongue mounting hole 16; the central mechanism 20 includes a first gear 21, a second gear 22, a third gear 23, a latch bolt driving member 28, a latch bolt driving member 24, a central connection plate 25 and a cam driving member 26, the first gear 21 and the second gear 22 are movably sleeved on the handle core 80, the first gear 21 is dynamically connected with the driving mechanism 50, the first gear 21 is provided with a control lock block 211, the second gear 22 is provided with a notch groove 221, the control lock block 211 is in limit fit with the notch groove 221, the latch bolt driving member 28 is dynamically connected with the handle core 80, the latch bolt driving member 28 is provided with a rotating arm 281, the rotating arm 281 is in abutting fit with the control lock block 211, the latch bolt locking member 70 is provided with a push rod 71 inside, the housing 10 is internally provided with a positioning seat 72, the push rod 71 is slidably connected with the positioning seat 72, the push rod 71 is sleeved with a first spring (not shown), two ends of the first spring are respectively abutted to the positioning seat 72 and the latch bolt locking member 70, the top rod 71 extends through the positioning seat 72, the extended end of the top rod 71 is provided with a push plate 73, and the rotating arm 281 is in power connection with the push plate 73; a central positioning shaft 256 is arranged in the shell 10, the third gear 23 and the cam driving piece 26 are movably sleeved on the central positioning shaft 256, the third gear 23 and the cam driving piece 26 are axially connected, and the second gear 22 and the third gear 23 are mutually meshed; the central connecting plate 25 is provided with a connecting plate limiting groove 251, a connecting plate movable groove 252 and a connecting plate driving groove 253; a cam rotating shaft 261 is formed on the cam driving member 26, the connecting plate limiting groove 251 is connected with the pivot positioning shaft 256 in a sliding mode, and the connecting plate moving groove 252 is connected with the cam rotating shaft 261 in a sliding mode; the square tongue driving member 24 is formed at a side portion of the knob core 40, the square tongue driving member 24 extends to form a square tongue connecting portion 242 and a lock cylinder connecting portion 241, a lock cylinder rotating shaft 243 is arranged on the lock cylinder connecting portion 241, a square tongue rotating shaft 244 is arranged on the square tongue connecting portion 242, the lock cylinder rotating shaft 243 is in power connection with the key lock cylinder 30, a lock piece driving plate 61 is formed at a side portion of the square tongue lock piece 60, a lock piece positioning groove 612 and a lock piece moving groove 611 are arranged on the lock piece driving plate 61, the lock piece moving groove 611 and the connecting plate driving groove 253 are both in sliding connection with the square tongue rotating shaft 244, a square tongue limiting shaft 613 is in sliding connection with the lock piece positioning groove 612, and the square tongue limiting shaft 613 is formed inside the shell 10.

In the above technical means, by providing the center connection board 25, the connection board limiting groove 251, the connection board moving groove 252 and the connection board driving groove 253 are provided on the center connection board 25, the connection board limiting groove 251 cooperates with the center positioning shaft 256 to limit the moving position of the center connection board 25, and then cooperates with the rotating shaft on the cam driving member 26 to slide in the connection board moving groove 252 in a circular motion manner, so that the center connection board 25 can tend to move towards two end positions, thereby driving the dead bolt rotating shaft 244 in the connection board driving groove 253, the dead bolt rotating shaft 244 will push the dead bolt driving member 24 to rotate, thereby realizing the technical effect of synchronous operation with the key lock cylinder 30 and the knob lock cylinder, the dead bolt rotating shaft 244 is slidably connected to the lock moving groove 611 on the lock driving board 61, and is limited on the lock driving board 61 by the dead bolt limiting shaft 613, and the dead bolt locking cooperation of the dead bolt limiting shaft 613 and the circular motion of the dead bolt rotating shaft 244 drive the dead bolt locking piece 60 to extend and retract The switch lock operation is realized in the dead bolt mounting hole 15; by arranging the first gear 21, the second gear 22 and the third gear 23, the first gear 21 and the second gear 22 are mutually matched by adopting the control locking block 211 and the notch groove 221, when the first gear 21 is driven to rotate by the driving mechanism 50, one end of the notch groove 221 is pushed by the control locking block 211 to drive the second gear 22, so that the third gear 23 is driven by power, the third gear 23 drives the cam driving piece 26 to drive the central connecting plate 25, so as to realize the opening and closing locking operation, when the unlocking operation is realized, the control locking block 211 simultaneously pushes the second gear 22 and the rotating arm 281, so that the square tongue locking piece 60 and the inclined tongue locking piece 70 are contracted, so as to realize the opening and closing operation, then the driving mechanism 50 controls the first gear 21 to rotate again, so that the control locking block 211 slides to the other end of the notch groove 221, because the control locking block 211 and the notch groove 221 are in sliding fit at this moment, the first gear 21 will not drive the second gear 22, therefore, the dead bolt locking piece 60 will not extend out, and in the rotation process of the control locking piece 211, due to the action of the first spring or the reset action of the handle connected with the intelligent induction door lock, the rotating arm 281 will be driven to reset, so that the dead bolt locking piece 70 extends out again, and the door closing operation is realized; through the design of central hub mechanism 20, the mode that adopts central control comes the modularized drive mechanism 50 of connecting, the hand (hold) core, key lock core 30 and knob core 40, drive mechanism 50, the hand (hold) core, the drive of key lock core 30 and knob core 40 is all mutually supported through central hub mechanism 20, compare in drive mechanism 50 individual control hand (hold) core, key lock core 30 and knob core 40's mode, central hub mechanism 20 structure can simplify partial structure, realize centralized control, the volume has been reduced, more harmonious in the cooperation, service life is prolonged.

Further as shown in fig. 2, the driving mechanism 50 includes a motor 51, a circuit board 54, a door magnet 53 and a gear piece 52, the motor 51 and the circuit board 54 are installed inside the housing 10, the door magnet 53 is installed on the locking piece positioning plate 14, the gear piece 52 is in power connection with the motor 51, the motor 51 is in power connection with the first gear 21 through the gear piece 52, and by adopting the above method, the door magnet 53 realizes magnetic control, so as to realize intelligent door lock control.

As further shown in fig. 2-3, the pivot plate 25 is provided with a locking plate 254, the latch driving member 28 is provided with a locking arm 282, the locking arm 282 is engaged with the locking plate 254, and after the locking operation, the locking plate 254 is engaged with the locking arm 282 to prevent the handle core 80 from rotating, thereby realizing the operation of locking the handle.

As further shown in fig. 2, the latch bolt driving member 28 includes a latch bolt driving ring and a handle core driving ring, a positioning slot 81 is provided at a side portion of the handle core, the handle core driving ring is in snap fit with the positioning slot 81, a rotating arm 281 is provided on the latch bolt driving ring, a locking arm 282 is provided on the handle core driving ring, a pushing block 285 is provided on the handle core driving ring, and the pushing block 285 is in power connection with the rotating arm 281; by arranging the latch bolt driving member 28 as the latch bolt driving ring and the handle core driving ring, the driving mechanism 50 can be prevented from driving the handle to rotate in the operation of automatically opening and closing the door, the resistance of the driving mechanism 50 is reduced, and the energy-saving effect is achieved.

As further shown in fig. 4, 7, 8 and 9, a limiting arm 284 is disposed on the latch driving ring and outwardly disposed, a limiting locking block 231 is disposed on the third gear 23, and the limiting arm 284 is in limiting fit with the limiting locking block 231, so that the latch locking element 60 can be blocked by the limiting arm 284 after being retracted, thereby increasing the retraction force of the latch locking element 60.

As further shown in fig. 2, the handle core driving ring is outwardly provided with a return arm 283, and the return arm 283 is connected with a second spring (not shown), and the second spring is connected in the housing 10; the reset effect of the handle core driving ring is improved.

As further shown in fig. 4, the central positioning shaft 256 is sleeved with the movable ring 27, two push rods 271 are disposed on the side of the movable ring 27, a movable push block 232 is formed at the lower end of the third gear 23, the movable push block 232 is in dynamic fit with the push rods 271, a right-angle push block 262 is formed outward on the cam driving member 26, and the right-angle push block 262 is in dynamic fit between the two push rods 271; realize that third gear 23 and cam drive 26 possess the flexibility, prevent that third gear 23 from appearing the card phenomenon of dying, appear the card phenomenon when third gear 23, rotate knob core 40 to drive right angle ejector pad 262 and promote third gear 23 with the mode of striking, the cooperation degree between right angle ejector pad 262 and the activity ejector pad 232 has been improved in the setting of push rod 271.

Further, as shown in fig. 7, the central connecting plate 25 extends to form a limiting rod 255, a limiting seat 17 is disposed in the housing 10, and the limiting rod 255 is slidably connected to the limiting seat 17, so as to improve the stability of the central connecting plate 25.

To more clearly illustrate the above technical means, an intelligent induction door lock is divided into three states, namely, a lower door locking state and an upper door locking state, and the following embodiments are further described with reference to the operation of the driving mechanism 50:

[ EXAMPLES one ]

When the door enters the locking and closing state, as shown in fig. 7, the driving mechanism 50 is controlled by the door magnet 53, the control lock block 211 of the first gear 21 is driven to push the second gear 22, the second gear 22 rotates clockwise, the third gear 23 rotates counterclockwise, so as to drive the cam rotating shaft 261 on the cam driving member 26 to perform circular motion, the center connecting plate 25 is driven to move downwards, the square tongue rotating shaft 244 is pushed to perform circular motion, so as to push out the square tongue locking member 60, and at the same time, the rotating arm 281 loses the pushing force of the control lock block 211 to reset, so as to drive the inclined tongue locking member 70 to extend, thereby realizing the locking and closing operation.

[ example two ]

When the door enters the lower lock door opening state, as shown in fig. 8, the driving mechanism 50 is controlled by the door magnet 53, the control lock block 211 of the first gear 21 is driven to push the second gear 22, the second gear 22 rotates counterclockwise, the third gear 23 rotates clockwise, so as to drive the cam rotating shaft 261 on the cam driving piece 26 to perform circular motion, the center connecting plate 25 is driven to move upwards, the square tongue rotating shaft 244 is pushed to perform circular motion, so as to draw in the square tongue locking piece 60, meanwhile, the rotating arm 281 is driven to rotate by the pushing force of the control lock block 211, so as to drive the inclined tongue locking piece 70 to take in, and the lower lock door opening operation is realized.

[ EXAMPLE III ]

When the door enters the lower-locking door-closing state, as shown in fig. 9, on the premise of the lower-locking door-opening state, the driving mechanism 50 rotates to drive the first gear 21 to rotate, so that the control locking block 211 slides to the other end of the notch groove 221, at this time, the second gear 22 cannot be pushed, and the rotating arm 281 loses the pushing force of the control locking block 211 and resets, so as to drive the latch bolt locking piece 70 to extend out, and the limiting arm 284 abuts against the limiting locking block 231 on the third gear 23, so that the third gear 23 receives the elastic force of the first spring and the second spring, so that the latch bolt locking piece 60 receives the contraction force, and the latch bolt locking piece 60 is prevented from being thrown out by too high door opening and closing force; thereby realizing the operation of locking the door downwards.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. An intelligent induction door lock comprises a shell and a mechanical lock structure arranged in the shell, and is characterized in that a key hole lock, a handle core mounting hole and a knob mounting hole which penetrate through two ends of the shell are arranged on the shell, a locking piece positioning plate is arranged on the side part of the shell, and a square bolt mounting hole and a latch bolt mounting hole which are communicated with the inside of the locking piece positioning plate are formed in the locking piece positioning plate; the mechanical lock structure comprises a key lock cylinder, a handle cylinder, a knob cylinder, a driving mechanism, a square tongue locking piece, an inclined tongue locking piece and a central mechanism, wherein the key lock cylinder is in power connection with a key hole lock; the central mechanism comprises a first gear, a second gear, a third gear, an oblique tongue driving piece, a square tongue driving piece, a central connecting plate and a cam driving piece, the first gear and the second gear are movably sleeved on a handle core, the first gear is in power connection with the driving mechanism, a control locking piece is arranged on the first gear, a notch groove is formed in the second gear, the control locking piece is in limit fit with the notch groove, the oblique tongue driving piece is in power connection with the handle core, the oblique tongue driving piece is provided with a rotating arm, the rotating arm is in butt fit with the control locking piece, an ejector rod is arranged on the inner side of the oblique tongue locking piece, a positioning seat is arranged inside the shell, the ejector rod is in sliding connection with the positioning seat, a first spring is sleeved on the ejector rod, two ends of the first spring are respectively in butt connection with the positioning seat and the oblique tongue locking piece, the ejector rod extends through the positioning seat, a push plate is arranged on the extending end of the ejector rod, and the rotating arm is in power connection with the push plate; a central positioning shaft is arranged in the shell, a third gear and a cam driving piece are movably sleeved on the central positioning shaft, the third gear is axially connected with the cam driving piece, and a second gear is meshed with the third gear; the central pivot connecting plate is provided with a connecting plate limiting groove, a connecting plate movable groove and a connecting plate driving groove; a cam rotating shaft is formed on the cam driving piece, the connecting plate limiting groove is connected with the central positioning shaft in a sliding mode, and the connecting plate movable groove is connected with the cam rotating shaft in a sliding mode; the shaping of square tongue driving piece is in the lateral part of knob core, square tongue driving piece extends there are square tongue connecting portion and lock core connecting portion, be provided with the lock core pivot on the lock core connecting portion, be provided with the square tongue pivot on the square tongue connecting portion, lock core pivot power is connected in the key lock core, square tongue latch lateral part shaping has the latch fitting drive plate, be provided with latch fitting constant head tank and latch fitting movable groove on the latch fitting drive plate, latch fitting movable groove and connecting plate drive groove all with square tongue pivot sliding connection, sliding connection has the spacing axle of square tongue in the latch fitting constant head tank, the spacing axle shaping of square tongue is inside the shell.

2. The intelligent induction door lock of claim 1, wherein the driving mechanism comprises a motor, a circuit board, a door magnet and a gear member, the motor and the circuit board are installed inside the housing, the door magnet is installed on the locking member positioning plate, the gear member is in power connection with the motor, and the motor is in power connection with the first gear through the gear member.

3. The intelligent induction door lock as claimed in claim 1, wherein the hub is provided with a locking plate, and the latch actuator is provided with a locking arm, the locking arm engaging against the locking plate.

4. The intelligent induction door lock of claim 3, wherein the latch bolt driving member comprises a latch bolt driving ring and a handle core driving ring, a positioning slot is formed in the side portion of the handle core, the handle core driving ring is in clamping fit with the positioning slot, the rotating arm is arranged on the latch bolt driving ring, the locking arm is arranged on the handle core driving ring, a pushing block is arranged on the handle core driving ring, and the pushing block is in power connection with the rotating arm.

5. The intelligent induction door lock of claim 3, wherein the latch bolt driving ring is provided with a limiting arm outwards, the third gear is provided with a limiting lock block, and the limiting arm is in limiting fit with the limiting lock block.

6. An intelligent induction door lock according to claim 3, wherein the handle core driving ring is provided with a reset arm outwards, the reset arm is connected with a second spring, and the second spring is connected in the shell.

7. The intelligent induction door lock as claimed in claim 1, wherein the pivot positioning shaft is sleeved with a movable ring, the side of the movable ring is provided with two push rods, the lower end of the third gear is formed with a movable push block, the movable push block is in power fit with the push rods, the cam driving member is outwardly formed with a right-angle push block, and the right-angle push block is in power fit between the two push rods.

8. The intelligent induction door lock as claimed in claim 1, wherein the central connection plate is extended with a limit rod, a limit seat is arranged in the housing, and the limit rod is slidably connected with the limit seat.