CN217080018U

CN217080018U - Intelligent door lock

Info

Publication number: CN217080018U
Application number: CN202123336891.2U
Authority: CN
Inventors: 杨期发; 吴劲勇; 杨顺天; 邓邦荣; 张玉龙
Original assignee: Guangdong Be-Tech Security Systems Ltd
Current assignee: Guangdong Be-Tech Security Systems Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-29
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to an intelligent door lock, which comprises a front handle, a lock body, a rotating shaft, an automatic unlocking device, a clutch device, a rear handle, a lock liner and a knob, wherein the rotating shaft is connected with a lock tongue component of the lock body, and the rotating shaft controls the lock tongue of the lock tongue component to stretch; during manual unblock, the user rotates the back handle, and the back handle drives clutch action, makes pivot and output shaft separation, and the user drives the lock courage through rotatory knob and rotates after that, and the lock courage can drive the spring bolt shrink and realize the unblock, and the unblock does not influence automatic unlocking device moreover, avoids automatic unlocking device to damage, prolongs automatic unlocking device's life.

Description

Intelligent door lock

Technical Field

The utility model relates to an intelligence lock.

Background

The back panel of the existing intelligent door lock is internally provided with a motor, after a user identifies through unlocking identification devices such as fingerprints, face identification or passwords, the motor drives a lock cylinder to move, the lock cylinder controls a lock tongue of a lock body to contract, and unlocking operation is realized.

Another current section intelligence lock, its lock body embeds has the motor, and the user discerns the back through unblock recognition device such as fingerprint, face identification or password, and the spring bolt shrink of motor drive lock body realizes the unblock operation, and its shortcoming is, and the drive moment of motor is little, and difficult the unblanking when the door warp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent lock that the time of unblanking is short, the easy of unblanking.

The purpose of the utility model is realized like this:

an intelligent door lock comprises a front handle, a lock body, a rotating shaft, an automatic unlocking device, a clutch device, a rear handle, a lock liner and a knob, wherein the rotating shaft is connected with a lock tongue assembly of the lock body, and the rotating shaft controls the lock tongue of the lock tongue assembly to stretch;

the automatic unlocking device comprises a shell, a motor, a reduction gear set and an output shaft, wherein the reduction gear set and the output shaft are arranged in the shell, and the motor drives the output shaft to rotate through the reduction gear;

the rotating shaft and the output shaft are connected or separated through a clutch device;

the front handle is arranged on the front side of the lock body in a rotating mode and connected with the clutch device, and the front handle rotates to control the clutch device to act so that the rotating shaft is connected with or separated from the output shaft;

the rear handle is arranged on the rear side of the lock body in a rotating mode, the rear handle is connected with the clutch device, and the rear handle rotates to control the clutch device to act so as to enable the rotating shaft to be connected with or separated from the output shaft;

the lock core is arranged on the lock body, the knob is arranged on the rear side of the lock body in a rotating mode and connected with the lock core, the knob drives the lock core to act, and the lock core acts to control the bolt of the bolt assembly to stretch.

When automatic unblock, the motor passes through reduction gear group and drives the output shaft rotation, makes the output shaft high torque output drive pivot rotation, and the pivot drives the spring bolt shrink, realizes the unblock, and the operation is very simple.

During manual unlocking, a user rotates the front handle, the front handle drives the clutch device to act, the rotating shaft and the output shaft are separated, then the user drives the lock cylinder to rotate by utilizing the key, the lock cylinder can drive the lock tongue to contract to realize unlocking, the unlocking does not affect the automatic unlocking device, the damage of the automatic unlocking device is avoided, and the service life of the automatic unlocking device is prolonged.

During manual unblock, the user rotates the back handle, and the back handle drives clutch action, makes pivot and output shaft separation, and the user drives the lock courage through rotatory knob and rotates after that, and the lock courage can drive the spring bolt shrink and realize the unblock, and the unblock does not influence automatic unlocking device moreover, avoids automatic unlocking device to damage, prolongs automatic unlocking device's life.

The purpose of the utility model can also adopt the following technical measures to solve:

furthermore, the automatic unlocking device further comprises a closed cover, a mounting opening convenient for mounting the clutch device is formed in the position, corresponding to the output shaft, of the shell, and the closed cover is detachably arranged at the mounting opening.

Furthermore, the clutch device comprises an end cover, a spring and a push block, wherein the end cover is provided with a socket, a first tooth ring is arranged on the end cover around the socket, a second tooth ring is arranged at the end part of the rotating shaft, and the output shaft is provided with a sliding cavity along the length direction of the output shaft;

the rotating shaft is arranged in the sliding cavity, the front end of the rotating shaft extends out of the sliding cavity and is connected with the lock tongue assembly, the spring is arranged in the sliding cavity and is sleeved on the rotating shaft, one end of the spring abuts against the inner wall of the sliding cavity, the other end of the spring abuts against the second tooth ring, and the spring forms a reset mechanism of the rotating shaft;

the end cover is arranged at an inlet of the sliding cavity to close the sliding cavity, and the rear end of the rotating shaft faces the socket;

the sliding channel is formed in the position, corresponding to the socket, of the sealing cover, the pushing block is arranged in the sliding channel, the pushing block slides along the sliding channel to move, so that the rotating shaft is pushed to move, the first tooth ring and the second tooth ring are meshed or separated, and the rotating shaft and the output shaft are connected or separated.

Furthermore, the clutch device further comprises a sliding ring, a first connecting toothed ring is arranged at the end of the rotating shaft, a second connecting toothed ring and the second toothed ring are arranged on the sliding ring, the sliding ring is sleeved on the rotating shaft, the first connecting toothed ring and the second connecting toothed ring are meshed with each other, the rotating shaft is connected with the sliding ring, one end of the spring abuts against the sliding ring, and the other end of the spring abuts against the inner wall of the sliding cavity.

Furthermore, positioning holes are formed in the periphery of the output shaft, located at the inlet of the sliding cavity, at intervals, positioning columns are arranged on the end covers at intervals, and the positioning columns are inserted into the positioning holes to achieve connection between the end covers and the output shaft.

Further, the inner wall of the sliding channel is provided with positioning sliding grooves at intervals along the length direction of the inner wall, the outer wall of the pushing block is provided with positioning convex edges at intervals along the length direction of the pushing block, the positioning convex edges are inserted into the positioning sliding grooves, and the positioning sliding grooves limit the sliding direction of the positioning convex edges, so that the sliding direction of the pushing block is limited.

The square core seat is provided with a square hole, the square core seat is arranged in front of the push block, the square core seat and the push block are positioned on the same axis, first inclined plane bulges are arranged on the end surface of the square core seat facing the push block at intervals, first inclined plane grooves are formed between the first inclined plane bulges and the first inclined plane bulges, second inclined planes are arranged on the end surface of the push block facing the square core seat at intervals, and second inclined plane grooves are formed between the second inclined plane bulges and the second inclined plane bulges;

the front end of the front core is connected with a front handle, and the rear end of the front core sequentially penetrates through the inner cavity of the rotating shaft, the inserting opening and the push block to be inserted into the square hole of the square core seat, so that the front handle is connected with the square core seat through the front core;

the rear end of the rear core is connected with a rear handle, and the front end of the rear core is inserted into the square hole of the direction seat, so that the rear handle is connected with the direction seat through the rear core;

the front handle drives the square core holder to rotate through the front core, so that the first inclined plane bulge of the square core holder abuts against the second inclined plane bulge of the push block, the square core holder pushes the push block, the push block pushes the rotating shaft to move forwards, the first tooth ring and the second tooth ring are separated, and the rotating shaft and the output shaft are separated;

the rear handle drives the square core holder to rotate through the rear core, the first inclined plane protrusion of the square core holder abuts against the second inclined plane protrusion of the push block, the push block is pushed by the square core holder, the push block pushes the rotating shaft to move forwards, the first tooth ring and the second tooth ring are separated, and the rotating shaft and the output shaft are separated.

The front handle and the rear handle drive the square core seat to rotate, the square core seat rotates, when a first inclined plane protrusion of the square core seat abuts against a second inclined plane protrusion of the push block, the square core seat pushes the push block to move forwards, when the first inclined plane protrusion of the square core seat enters a second inclined plane groove of the push block, a second inclined plane protrusion of the push block enters a first inclined plane groove of the push block, the push block moves backwards, when the push block moves forwards, the push block pushes the rotating shaft to move forwards, the rotating shaft is separated from the output shaft, when the push block moves backwards, the spring pushes the rotating shaft to move backwards, the rotating shaft is connected with the output shaft, therefore, the clutch function is achieved, the automatic unlocking device is prevented from being influenced by the unlocking process of the lock cylinder, and the service life of the intelligent door lock is greatly prolonged.

Further, still include rear panel and locking device, the rear panel is opened there is the lock chamber, and the upper portion in lock chamber is opened there is the upper shed, and open the lower part in lock chamber has the under shed, locking device includes reset spring, locking plate and lockpin, back handle sets up on the rear panel with the rotation mode, locking plate and back handle are connected, and the locking plate is located the open-ended top, and the locking plate corresponds the upper shed position and is provided with the arch, the knob sets up on the rear panel with the rotation mode, the knob corresponds the under shed position and opens there is the spacing groove.

The lock pin is arranged in the lock cavity, the reset spring is arranged in the lock cavity and sleeved on the lock pin, one end of the reset spring is abutted against the lock pin, the other end of the reset spring is abutted against the inner wall of the lock cavity, the reset spring forms a reset mechanism of the lock pin, the upper end of the lock pin extends out of the upper opening and is abutted against the bulge, and the lower end of the lock pin penetrates through the lower opening and is inserted into the limiting groove to realize the locking function;

when the rear handle rotates, the locking plate rotates along with the rear handle, the protrusion is far away from the upper opening, the spring pushes the lock pin to move upwards, the upper end of the lock pin extends out of the upper opening, the lower end of the lock pin leaves the limiting groove, the unlocking function is achieved, and the knob can rotate freely.

The anti-blocking device comprises an upper gear, a lower gear, a shaft core and a blocking spring, wherein the shaft core is arranged in the inner cavity of the shell, the blocking spring, the lower gear and the upper gear are sequentially sleeved on the shaft core, inclined plane pits are formed in the lower end face of the upper gear at intervals, inclined plane protrusions are arranged in the upper end face of the lower gear at intervals, the inclined plane protrusions are inserted into the inclined plane pits, and the upper gear is connected with the lower gear;

one end of the spring abuts against the lower gear, the other end of the spring abuts against the inner wall of the shell, and the locked-rotor spring forms a reset mechanism of the lower gear;

the motor shaft of motor is provided with the screw rod, the input meshing of screw rod and reduction gear group, reduction gear group's output and lower gear engagement, go up gear and output shaft meshing, during the locked-rotor, it can not rotate to go up gear and output shaft, and the motor overcomes the elasticity of locked-rotor spring and drives gear rotation down through reduction gear group, makes the inclined plane arch get into repeatedly, leave the inclined plane pit, realizes that the gear idleness down.

When the motor is in a locked state, the upper gear and the output shaft cannot rotate, the motor overcomes the elasticity of the locked spring and drives the lower gear to rotate through the reduction gear set, the inclined plane protrusion repeatedly enters and leaves the inclined plane pit, and the lower gear idles, so that the motor is kept in a normal working state, the motor is prevented from being locked, and the service life of the motor is greatly prolonged.

The speed reduction gear set comprises a plurality of speed reduction gears, the speed reduction gears are meshed with each other, one end of the transmission gear is meshed with the output shaft, and the other end of the transmission gear is meshed with the upper gear.

Further, the electric bicycle further comprises a front panel and an unlocking recognition device, wherein the front handle is arranged on the front panel in a rotating mode, the unlocking recognition device is arranged on the front panel, the unlocking recognition device is electrically connected with the motor, and the unlocking recognition device controls the motor to act.

The utility model has the advantages as follows:

the utility model discloses, during automatic unblock, it is rotatory that the motor passes through reduction gear group drive output shaft, and it is rotatory to make the big moment of torsion output of output shaft drive the pivot, and the pivot drives the spring bolt shrink, realizes the unblock, and the operation is very simple, shortens the unblock time moreover.

The utility model discloses, during manual unblock, the rotatory front handle of user, front handle drive clutch action, make pivot and output shaft separation, it is rotatory that the user utilizes the key to drive the lock courage after that, and the lock courage can drive the spring bolt shrink and realize the unblock, and the unblock does not influence automatic unlocking device moreover, avoids automatic unlocking device to damage, prolongs automatic unlocking device's life.

The utility model discloses, during manual unblock, the rotatory back handle of user, back handle drive clutch action makes pivot and output shaft separation, and it is rotatory that the user drives the lock courage through rotatory knob after that, and the lock courage can drive the spring bolt shrink and realize the unblock, and the unblock does not influence automatic unlocking device moreover, avoids automatic unlocking device to damage, prolongs automatic unlocking device's life.

The utility model discloses, during the locked rotor, it can not be rotatory to go up gear and output shaft, and the elasticity of motor this moment overcoming the locked rotor spring is rotatory and drive down the gear through reduction gear group, makes the inclined plane arch get into repeatedly, leave the inclined plane pit, realizes down gear idle running to make the motor keep normal operating condition, when guaranteeing that the load is too big, the motor keeps the rotating-state, avoids motor and gear to damage the life who improves the motor greatly because of the locked rotor.

The utility model discloses, it is rotatory that preceding handle and back handle drive square core seat, the rotatory in-process of square core seat, first inclined plane arch when square core seat supports and leans on in the second inclined plane arch of ejector pad, square core seat promotes the ejector pad antedisplacement, in the protruding second inclined plane recess that gets into the ejector pad of first inclined plane of square core seat, in the protruding first inclined plane recess that gets into the ejector pad of second inclined plane of ejector pad, the ejector pad rethread, when the ejector pad antedisplacement, the ejector pad promotes the pivot antedisplacement, make pivot and output shaft separation, when the ejector pad rethread, the spring promotes the pivot rethread, make pivot and output shaft connection, thereby realize clutch function, avoid lock courage unblock process to influence automatic unlocking device, prolong the life of intelligent lock greatly.

Drawings

Fig. 1 is a schematic view of the smart door lock (locked state).

Fig. 2 is a schematic sectional view of the smart door lock (locked state).

Fig. 3 is another angle sectional view of the intelligent door lock (locked state).

Fig. 4 is an exploded view of the intelligent door lock (locked state).

Fig. 5 is another exploded perspective view of the smart door lock (locked state).

Fig. 6 is a partial schematic view of the intelligent door lock (locked state).

Fig. 7 is a schematic sectional view (locked state) of fig. 6.

Fig. 8 is another schematic angular cross-sectional view of fig. 6 (locked state).

Fig. 9 is an exploded view (locked state) of fig. 6.

Fig. 10 is another exploded perspective view (locked state) of fig. 6.

Fig. 11 is a schematic sectional view of the rear handle, the knob, and the rear door panel of the smart door lock (locked state).

Fig. 12 is another angle schematic diagram of the rear door panel of the intelligent door lock (locked state).

Fig. 13 is an exploded view (locked state) of fig. 11.

Fig. 14 is a schematic view of the smart door lock (unlocked state).

Fig. 15 is a schematic sectional view (unlocked state) of the intelligent door lock.

Fig. 16 is another angle section view of the intelligent door lock (unlocked state).

Fig. 17 is a partial schematic view of the smart door lock (unlocked state).

Fig. 18 is a schematic sectional view (unlocked state) of fig. 17.

Fig. 19 is another angular cross-sectional view of fig. 17 (unlocked state).

Fig. 20 is an exploded schematic view of an automatic unlocking device and an anti-stalling device of the intelligent door lock.

Fig. 21 is another exploded perspective view of the automatic unlocking device and the anti-rotation-jamming device of the intelligent door lock.

Fig. 22 is a partial cross-sectional view of the smart door lock (no-jamming state).

Fig. 23 is a partial sectional view (locked state) of the smart door lock.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

embodiment, as shown in fig. 1 to 23, an intelligent door lock includes a front handle 1, a front panel 11, an unlocking recognition device 12, a lock body 2, a rotating shaft 3, an automatic unlocking device 4, a clutch device 5, an anti-rotation-blocking device 6, a lock cylinder 21, a rear handle 7, a knob 71, a rear panel 72, a locking device 8, a front core 13, a rear core 73, and a square core seat 9.

The front panel 11 is located the front side of lock body 2, preceding handle 1 is connected on front panel 11 with the rotation mode, unblock recognition device 12 sets up on front panel 11, unblock recognition device 12 is password, fingerprint or face identification device.

The rear panel 72 is provided with a lock cavity 74, the upper part of the lock cavity 74 is provided with an upper opening 741, the lower part of the lock cavity 74 is provided with a lower opening 742, the rear panel 72 is positioned at the rear side of the lock body 2, the rear handle 7 is rotatably arranged on the rear panel 72 and positioned above the upper opening 741, the knob 71 is rotatably arranged on the rear panel 72 and positioned below the lower opening 742, and the knob 71 is provided with a limit groove 711 corresponding to the lower opening 742.

Locking device 8 includes reset spring 81, locking plate 82 and lockpin 83, locking plate 82 and back handle 7 are connected, and locking plate 82 is located the top of upper shed 741, and locking plate 82 corresponds upper shed 741 position and is provided with arch 821, lockpin 83 is arranged in lock chamber 74, and reset spring 81 is arranged in lock chamber 74 and is put on lockpin 83 by the cover, and reset spring 81 one end supports and leans on lockpin 83, and the reset spring 81 other end supports and leans on the lock chamber 74 inner wall, and reset spring 81 constitutes the canceling release mechanical system of lockpin 83.

The upper end of the lock pin 83 extends out of the upper opening 741 to abut against the protrusion 821, and the lower end of the lock pin 83 passes through the lower opening 742 to be inserted into the limiting groove 711, so that the locking function is realized.

When the rear handle 7 rotates, the locking plate 82 rotates along with the rear handle 7, the protrusion 821 is far away from the upper opening 741, the spring pushes the locking pin 83 to move upwards, the upper end of the locking pin 83 extends out of the upper opening 741, the lower end of the locking pin 83 is far away from the limiting groove 711, the unlocking function is realized, and the knob 71 can rotate freely.

The automatic unlocking device 4 comprises a closed cover 41, a housing 42, a motor 43, a reduction gear set 44, an output shaft 45 and a transmission gear 46, wherein the output shaft 45 is provided with a sliding cavity 451 along the length direction thereof, positioning holes 452 are formed in the periphery of the output shaft 45 at the inlet of the sliding cavity 451 at intervals, the reduction gear set 44 comprises a plurality of reduction gears 441, the reduction gears 441 and the reduction gears 441 are meshed with each other, and the reduction gear set 44, the output shaft 45 and the transmission gear 46 are arranged in the inner cavity of the housing 42.

The anti-blocking device 6 comprises an upper gear 61, a lower gear 62, a shaft core 63 and a blocking spring 64, wherein the shaft core 63 is arranged in the inner cavity of the shell 42, the blocking spring 64, the lower gear 62 and the upper gear 61 are sequentially sleeved on the shaft core 63, the lower end face of the upper gear 61 is spaced by a slope pit 611, the upper end face of the lower gear 62 is spaced by a slope protrusion 621, the slope protrusion 621 is inserted into the slope pit 611, the upper gear 61 is connected with the lower gear 62, one end of the blocking spring 64 is abutted to the lower gear 62, the other end of the blocking spring 64 is abutted to the inner wall of the shell 42, and the blocking spring 64 forms a reset mechanism of the lower gear 62.

The motor 43 is electrically connected with the unlocking recognition device 12, a screw rod 431 is arranged on a motor rotating shaft of the motor 43, the screw rod 431 is meshed with an input end of the reduction gear set 44, an output end of the reduction gear set 44 is meshed with the lower gear 62, the upper gear 61 is meshed with one end of the transmission gear 46, and the other end of the transmission gear 46 is meshed with the output shaft 45.

The housing 42 is provided with an installation opening 421 corresponding to the output shaft 45 for facilitating the installation of the clutch device 5, and the closing cover 41 is detachably disposed at the installation opening 421.

During locked rotation, the upper gear 61 and the output shaft 45 cannot rotate, and the motor 43 overcomes the elastic force of the locked rotation spring 64 and drives the lower gear 62 to rotate through the reduction gear set 44, so that the inclined surface protrusion 621 repeatedly enters and leaves the inclined surface recess 611, and idle rotation of the lower gear 62 is realized.

The clutch device 5 comprises an end cover 51, a spring 52, a push block 53 and a sliding ring 54, wherein the end cover 51 is provided with a socket 511, the end cover 51 is provided with a first tooth ring 512 around the socket 511, the end cover 51 is provided with positioning columns 513 at intervals, the end cover 51 is arranged at the inlet of the sliding cavity 451, and the positioning columns 513 are inserted into the positioning holes 452, so that the end cover 51 is connected with the output shaft 45 and the sliding cavity 451 is sealed.

The end of the rotating shaft 3 is provided with a first connecting gear ring 31, the slip ring 54 is provided with a second connecting gear ring 541 and a second gear ring 542, the slip ring 54 is sleeved on the rotating shaft 3, the first connecting gear ring 31 and the second connecting gear ring 541 are meshed with each other, and the rotating shaft 3 and the slip ring 54 are connected together.

The rotating shaft 3 is arranged in the sliding cavity 451, the front end of the rotating shaft 3 extends out of the sliding cavity 451 and is connected with a bolt component of the lock body 2, the spring 52 is arranged in the sliding cavity 451 and is sleeved on the rotating shaft 3, one end of the spring 52 abuts against the sliding ring 54, the other end of the spring 52 abuts against the inner wall of the sliding cavity 451, the spring 52 forms a reset mechanism of the rotating shaft 3, and the rear end of the rotating shaft 3 faces the socket 511.

The position of the socket 511 corresponding to the closed cover 41 is provided with a sliding channel 411, the inner wall of the sliding channel 411 is provided with positioning sliding grooves 412 at intervals along the length direction thereof, the outer wall of the push block 53 is provided with positioning convex edges 531 at intervals along the length direction thereof, the push block 53 is arranged in the sliding channel 411, the positioning convex edges 531 are inserted into the positioning sliding grooves 412, the positioning sliding grooves 412 limit the sliding direction of the positioning convex edges 531, and the push block 53 is limited along the sliding direction of the sliding channel 411.

The pushing block 53 slides along the sliding channel 411 to push the rotating shaft 3 to move, so that the first tooth ring 512 and the second tooth ring 542 are engaged or separated, and the rotating shaft 3 and the output shaft 45 are connected or separated.

The square core seat 9 is provided with a square hole 93, the square core seat 9 is arranged in front of the push block 53, the square core seat 9 and the push block 53 are on the same axis, first inclined plane protrusions 91 are arranged on the end face of the square core seat 9 facing the push block 53 at intervals, first inclined plane grooves 92 are formed between the first inclined plane protrusions 91 and the first inclined plane protrusions 91, second inclined plane protrusions 532 are arranged on the end face of the push block 53 facing the square core seat 9 at intervals, and second inclined plane grooves 533 are formed between the second inclined plane protrusions 532 and the second inclined plane protrusions 532.

The front end of the front core 13 is connected with the front handle 1, and the rear end of the front core 13 sequentially penetrates through the inner cavity of the rotating shaft 3, the socket 511 and the push block 53 to be inserted into the square hole 93 of the square core seat 9, so that the front handle 1 is connected with the square core seat 9 through the front core 13.

The rear end of the rear core 73 is connected with the rear handle 7, and the front end of the rear core 73 is inserted into the square hole 93 of the direction seat, so that the rear handle 7 is connected with the direction seat through the rear core 73.

The front handle 1 drives the square core seat 9 to rotate through the front core 13, so that the first inclined plane protrusion 91 of the square core seat 9 abuts against the second inclined plane protrusion 532 of the push block 53, the square core seat 9 pushes the push block 53, the push block 53 pushes the rotating shaft 3 to move forwards, the first tooth ring 512 and the second tooth ring 542 are separated, and the rotating shaft 3 is separated from the output shaft 45.

The rear handle 7 drives the square core seat 9 to rotate through the rear square core 73, so that the first inclined plane protrusion 91 of the square core seat 9 abuts against the second inclined plane protrusion 532 of the push block 53, the square core seat 9 pushes the push block 53, the push block 53 pushes the rotating shaft 3 to move forwards, the first tooth ring 512 and the second tooth ring 542 are separated, and the rotating shaft 3 is separated from the output shaft 45.

The lock core 21 is arranged on the lock body 2, the knob 71 is connected with the lock core 21, the knob 71 drives the lock core 21 to move, and the lock core 21 moves to control the bolt 100 of the bolt assembly to stretch.

The working principle is as follows:

automatic unlocking:

the user unlocks through unlocking recognition device 12, and after the unblock succeeded, unlocking recognition device 12 signals to motor 43, and motor 43 drives output shaft 45 rotatory through reduction gear set 44, because the meshing of first tooth ring 512 of output shaft 45 and the second tooth ring 542 of pivot 3, pivot 3 follows output shaft 45 rotatory to the shrink of control spring bolt 100 of spring bolt subassembly realizes unblanking.

Unlocking outside the door:

the user rotates preceding handle 1, and preceding handle 1 drives the rotation of square core print 9 through the front core 13, makes the protruding 91 in first inclined plane of square core print 9 support and leans on the protruding 532 in second inclined plane of ejector pad 53, and square core print 9 promotes ejector pad 53, and ejector pad 53 promotes pivot 3 and moves forward, makes separation between first tooth ring 512 and the second tooth ring 542, realizes pivot 3 and output shaft 45 separation.

At this time, the user inserts the key into the cylinder 21, rotates the key, and the cylinder 21 acts to control the bolt 100 of the bolt assembly to contract, so as to realize unlocking.

Indoor unlocking:

the user rotates back handle 7, and back handle 7 passes through rear core 73 and drives the rotation of square core print 9, makes the protruding 91 in first inclined plane of square core print 9 support and leans on the protruding 532 in second inclined plane of ejector pad 53, and square core print 9 promotes ejector pad 53, and ejector pad 53 promotes pivot 3 and moves forward, makes separation between first tooth ring 512 and the second tooth ring 542, realizes pivot 3 and output shaft 45 separation.

When the rear handle 7 rotates, the locking plate 82 rotates along with the rear handle 7, the protrusion 821 is far away from the upper opening 741, the spring 52 pushes the lock pin 83 to move upwards, the upper end of the lock pin 83 extends out of the upper opening 741, the lower end of the lock pin 83 leaves the limiting groove 711, the unlocking function is achieved, the knob 71 can rotate freely, finally, a user rotates the knob 71, the knob 71 drives the lock container 21 to move, and the lock container 21 moves to control the lock tongue 100 of the lock tongue assembly to retract so as to achieve unlocking.

Above-mentioned indoor unblanking needs rotatory back handle 7 earlier, and rotatory knob 71 after that just can realize unblanking, prevents that the thief from unblocking through the cat eye, improves intelligent tool to lock's security greatly.

The large torque function:

because motor 43 drives output shaft 45 through reduction gear set 44 and rotates, improves the moment of torsion of output shaft 45 through reduction gear set 44, realizes big moment of torsion function, and the output shaft 45 of big moment of torsion drives the pivot 3 rotation, and it is easy to unblank.

The anti-stalling function:

during the locked rotor, the upper gear 61 and the output shaft 45 can not rotate, at this time, the motor 43 overcomes the elasticity of the locked rotor spring 5264 and drives the lower gear 62 to rotate through the reduction gear set 44, so that the inclined surface protrusion 621 repeatedly enters and leaves the inclined surface pit 611, and idle rotation of the lower gear 62 is realized, so that the motor 43 is kept in a normal working state, when the load is too large, the motor 43 is kept in a rotating state, the motor 43 and the gear are prevented from being damaged due to locked rotor, and the service life of the motor 43 is greatly prolonged.

Claims

1. The utility model provides an intelligence lock, includes preceding handle, lock body, pivot, automatic unlocking device, clutch, back handle, lock courage and knob, its characterized in that: the rotating shaft is connected with a bolt component of the lock body and controls the bolt of the bolt component to stretch;

2. The intelligent door lock of claim 1, wherein: the automatic unlocking device further comprises a closed cover, a mounting hole convenient for mounting the clutch device is formed in the position, corresponding to the output shaft, of the shell, and the closed cover is arranged at the mounting hole in a detachable mode.

3. The intelligent door lock of claim 2, wherein: the clutch device comprises an end cover, a spring and a push block, wherein the end cover is provided with a socket, the end cover is provided with a first tooth ring around the socket, the end part of the rotating shaft is provided with a second tooth ring, and the output shaft is provided with a sliding cavity along the length direction of the output shaft;

4. The intelligent door lock of claim 3, wherein: the clutch device further comprises a sliding ring, a first connecting toothed ring is arranged at the end of the rotating shaft, a second connecting toothed ring and the second toothed ring are arranged on the sliding ring, the sliding ring is sleeved on the rotating shaft, the first connecting toothed ring and the second connecting toothed ring are meshed with each other, the rotating shaft and the sliding ring are connected together, one end of the spring abuts against the sliding ring, and the other end of the spring abuts against the inner wall of the sliding cavity.

5. The intelligent door lock of claim 3, wherein: the periphery of the output shaft at the inlet of the sliding cavity is provided with positioning holes at intervals, the end covers are provided with positioning columns at intervals, and the positioning columns are inserted into the positioning holes to realize the connection of the end covers and the output shaft.

6. The intelligent door lock of claim 3, wherein: the inner wall of the sliding channel is provided with positioning sliding grooves at intervals along the length direction, the outer wall of the push block is provided with positioning convex edges at intervals along the length direction, the positioning convex edges are inserted into the positioning sliding grooves, and the positioning sliding grooves limit the sliding direction of the positioning convex edges, so that the sliding direction of the push block is limited.

7. The intelligent door lock of claim 6, wherein: the square core seat is provided with a square hole, the square core seat is arranged in front of the push block, the square core seat and the push block are positioned on the same axis, first inclined plane bulges are arranged on the end face, facing the push block, of the square core seat at intervals, first inclined plane grooves are formed between the first inclined plane bulges and the first inclined plane bulges, second inclined planes are arranged on the end face, facing the square core seat, of the push block at intervals, and second inclined plane grooves are formed between the second inclined plane bulges and the second inclined plane bulges;

8. The intelligent door lock of claim 1, wherein: the locking device comprises a reset spring, a locking plate and a locking pin, wherein the rear panel is provided with a locking cavity, the upper part of the locking cavity is provided with an upper opening, the lower part of the locking cavity is provided with a lower opening, the locking device comprises a reset spring, the locking plate and the locking pin, the rear handle is arranged on the rear panel in a rotating mode, the locking plate is connected with the rear handle, the locking plate is positioned above the upper opening, a bulge is arranged at the position, corresponding to the upper opening, of the locking plate, the knob is arranged on the rear panel in a rotating mode, and a limiting groove is formed at the position, corresponding to the lower opening, of the knob;

9. The intelligent door lock of claim 1, wherein: the anti-blocking device comprises an upper gear, a lower gear, a shaft core and a blocking spring, wherein the shaft core is arranged in the inner cavity of the shell, the blocking spring, the lower gear and the upper gear are sequentially sleeved on the shaft core, the lower end surface of the upper gear is provided with inclined surface pits at intervals, the upper end surface of the lower gear is provided with inclined surface bulges at intervals, the inclined surface bulges are inserted into the inclined surface pits, and the upper gear is connected with the lower gear;

the motor shaft of motor is provided with the screw rod, the input meshing of screw rod and reduction gear group, reduction gear group's output and lower gear engagement, upper gear and output shaft meshing, during the locked-rotor, upper gear and output shaft can not be rotatory, and the motor overcomes the elasticity of locked-rotor spring and drives the lower gear rotation through reduction gear group, makes the protruding entering of inclined plane repeatedly, leaves the inclined plane pit, realizes that the lower gear idle running.

10. The intelligent door lock of claim 9, wherein: the speed reduction gear set comprises a plurality of speed reduction gears, the speed reduction gears are meshed with each other, one end of the transmission gear is meshed with the output shaft, and the other end of the transmission gear is meshed with the upper gear.

11. The intelligent door lock of claim 1, wherein: the front handle is arranged on the front panel in a rotating mode, the unlocking recognition device is arranged on the front panel, the unlocking recognition device is electrically connected with the motor, and the unlocking recognition device controls the motor to act.