CN112554661A

CN112554661A - Electronic intelligent lock

Info

Publication number: CN112554661A
Application number: CN202011405356.5A
Authority: CN
Inventors: 毛振东; 郑勇进
Original assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Current assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-03-26
Anticipated expiration: 2040-12-03
Also published as: CN112554661B

Abstract

The invention relates to an electronic intelligent lock, which comprises a lock body, a locking mechanism and a driving mechanism, wherein the locking mechanism and the driving mechanism are arranged on the lock body, and the driving mechanism is connected with the locking mechanism and is used for driving the locking mechanism to realize unlocking and locking. The driving mechanism is internally provided with a transfer gear, an internal gear and a central gear, the transfer gear has a first state and a second state, when the transfer gear is driven by a motor to be in the first state, the transfer gear is respectively meshed with the internal gear and the central gear, the central gear is driven to rotate by rotating the internal gear through the transfer gear, so that a transmission shaft on the central gear drives the locking mechanism to realize unlocking and locking, and when the transfer gear is driven by the motor to be in the second state, the transfer gear is disengaged from the central gear. The electronic intelligent lock provided by the invention can be unlocked and locked without setting a key, so that the condition that the lock cannot be normally opened due to forgetting to carry the key or losing the key and the like is avoided, and the lock can be conveniently and quickly opened and closed.

Description

Electronic intelligent lock

Technical Field

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

Background

In the prior art, the most common unlocking mode of a lock is to unlock the lock by using a key, but the lock unlocked by using the key is very inconvenient because the key needs to be carried around after the lock is locked, and sometimes, the situation that the key is forgotten to be carried or the key is lost can occur, so that the lock cannot be normally opened, and a lot of inconvenience is caused.

Disclosure of Invention

In view of the above, the present invention provides an electronic intelligent latch, which aims to solve the problems in the prior art.

According to the invention, the electronic intelligent lock comprises a lock body, a locking mechanism and a driving mechanism, wherein the locking mechanism and the driving mechanism are arranged on the lock body;

the driving mechanism comprises a bracket, a motor, a transfer gear, an internal gear and a central gear, wherein the motor is fixedly arranged on the bracket, the transfer gear, the internal gear and the central gear are rotatably arranged on the bracket, the axes of the transfer gear, the internal gear and the central gear are parallel to each other, a transmission shaft is fixedly arranged on the central gear, and the transmission shaft is connected with the locking mechanism;

the output shaft of the motor is provided with a cam, the motor can drive the transfer gear to move along the axial direction of the transfer gear through the cam, so that the transfer gear has a first state and a second state, when the transfer gear is in the first state, the transfer gear is respectively meshed with the internal gear and the central gear, the internal gear is rotated to drive the central gear to rotate through the transfer gear, the central gear drives the transmission shaft to rotate so as to drive the locking mechanism to realize unlocking and locking, and when the transfer gear is in the second state, the transfer gear is disengaged from the central gear.

Preferably, the driving mechanism further comprises a rotating shaft assembly, the rotating shaft assembly is rotatably arranged on the bracket, and the axis of the rotating shaft assembly is perpendicular to the axis of the transfer gear;

the rotating shaft assembly comprises a rotating shaft, a balance wheel and a swing arm, the balance wheel and the swing arm are arranged at two ends of the rotating shaft, the cam is in contact connection with the balance wheel, a gear shaft is arranged on the transfer gear, a shift lever is vertically connected onto the gear shaft, the swing arm is in contact connection with the shift lever, when the small-diameter end of the cam is in contact connection with the balance wheel, the transfer gear is in a first state, and when the large-diameter end of the cam is in contact connection with the balance wheel, the rotating shaft assembly drives the transfer gear to be in a second state.

Preferably, the balance comprises a fixed wheel and a transmission rod, the fixed wheel and the rotating shaft are arranged concentrically, the transmission rod is arranged on the outer peripheral surface of the fixed wheel along the radial direction of the fixed wheel, and the cam is in contact connection with the transmission rod.

Preferably, a return spring is arranged between the gear shaft of the transfer gear and the bracket, one end of the return spring abuts against the bracket, the other end of the return spring abuts against the gear shaft, and the return spring is used for applying an elastic force to the gear shaft in the direction of the transfer gear.

Preferably, the gear shaft is inserted into a vertical shaft sleeve arranged on the support, a notch is formed in the outer wall of the lower end of the vertical shaft sleeve, the shifting lever extends out of the notch to be in contact connection with the swing arm, and the swing arm is located on one side, facing the transmission gear, of the shifting lever.

Preferably, the driving mechanism further comprises a rotating wheel rotatably arranged on the bracket, and the internal gear is fixedly connected to the inner wall of the rotating wheel.

Preferably, the bottom and the top of support are detachable respectively and are connected with bottom plate and top cap, the swiveling wheel cover is established the outside of support.

Preferably, be equipped with control module and verification module on the lock body, the motor with verification module all with control module electric connection, verification module is used for gathering verification information, and will verification information and preset information carry out the comparison, control module is used for verification information with drive when presetting information unanimity the motor rotates preset angle.

Preferably, the motor is a stepper motor.

Preferably, the verification module is one or more of a password input module, a fingerprint verification module, a bluetooth verification module, a voice verification module and a face recognition module.

The invention provides an electronic intelligent lock, wherein a transfer gear, an internal gear and a central gear are arranged in a driving mechanism, the transfer gear has a first state and a second state, when the transfer gear is driven by a motor to be in the first state, the transfer gear is respectively meshed with the internal gear and the central gear, the central gear can be driven to rotate by rotating the internal gear through the transfer gear, so that a transmission shaft on the central gear drives a locking mechanism to realize unlocking and locking, when the transfer gear is driven by the motor to be in the second state, the transfer gear is disengaged from the central gear, and at the moment, the rotating internal gear cannot drive the central gear to rotate through the transfer gear. Through setting up this actuating mechanism on the lock body, need not to set up the key and can realize unblanking and close the lock to avoided forgetting to carry the key or the key loses etc. and caused the unable normal condition of opening of tool to lock, made the opening and closing of tool to lock all become very convenient.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 shows a schematic structural diagram of a driving mechanism of an electronic intelligent lock according to an embodiment of the invention.

Fig. 2 shows a schematic structural diagram of a rotating shaft assembly in an electronic intelligent lock according to an embodiment of the invention.

Fig. 3 shows a schematic structural diagram of a bracket in an electronic intelligent lock according to an embodiment of the invention.

Fig. 4 shows a schematic diagram of a transfer gear of an electronic intelligent latch according to an embodiment of the present invention in a first state.

Fig. 5 shows a schematic diagram of a transfer gear of an electronic intelligent latch according to an embodiment of the present invention in a second state.

Fig. 6 shows a functional block diagram of an electronic intelligent latch according to an embodiment of the present invention.

In the figure: the device comprises a bracket 1, a circular base 11, a stand column 12, a vertical shaft sleeve 13, a notch 131, a transverse shaft sleeve 14, a motor mounting seat 15, an internal gear mounting seat 16, a bottom plate 101, a top cover 102, a motor 2, a cam 21, a rotating shaft assembly 3, a rotating shaft 31, a balance wheel 32, a fixed wheel 321, a transmission rod 322, a swing arm 33, a transmission gear 4, a gear shaft 41, a shift lever 411, a return spring 42, an internal gear 5, a central gear 6, a transmission shaft 61 and a rotating wheel 7.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

The invention provides an electronic intelligent lock, which comprises a lock body, a locking mechanism and a driving mechanism, wherein the locking mechanism and the driving mechanism are arranged on the lock body, and the driving mechanism is connected with the locking mechanism and is used for driving the locking mechanism to realize unlocking and locking.

The driving mechanism comprises a support 1, a motor 2, a transmission gear 4, an internal gear 5 and a central gear 6, wherein the motor 2 is fixedly arranged on the support 1, the transmission gear 4, the internal gear 5 and the central gear 6 are all rotatably arranged on the support 1, the axes of the transmission gear 4, the internal gear 5 and the central gear 6 are parallel to each other, a transmission shaft 61 is fixedly arranged on the central gear 6, and the transmission shaft 61 is connected with the locking mechanism.

The output shaft of the motor 2 is provided with a cam 21, the motor 2 can drive the transfer gear 4 to move along the axial direction through the cam 21, so that the transfer gear 4 has a first state and a second state, when the transfer gear 4 is in the first state, the transfer gear 4 is respectively meshed with the internal gear 5 and the central gear 6, the internal gear 5 can drive the central gear 6 to rotate through the transfer gear 4 by rotating, and the central gear 6 drives the transmission shaft 61 to rotate so as to drive the locking mechanism to realize unlocking and locking. When the transmission gear 4 is in the second state, the transmission gear 4 is disengaged from the sun gear 6.

According to the electronic intelligent locking, the driving mechanism is arranged on the lock body, the motor 2 drives the transmission gear 4 to be in a first state, namely the transmission gear 4 is respectively meshed with the internal gear 5 and the central gear 6, and at the moment, unlocking and locking can be realized by rotating the internal gear 5; the transmission gear 4 is driven by the motor 2 to be in a second state, namely the transmission gear 4 is disengaged from the central gear 6, and the internal gear 5 cannot be unlocked and locked by rotating at the moment. This electron intelligence shutting need not to set up the key and can realize unblanking and close the lock, has avoided forgetting to carry the key or the key loses etc. and causes the unable normal condition of opening of tool to lock to take place for the opening and closing of tool to lock all become very convenient.

The driving mechanism further comprises a rotating shaft assembly 3, referring to fig. 1 and 2, the rotating shaft assembly 3 is rotatably arranged on the bracket 1, and the axis of the rotating shaft assembly 3 is perpendicular to the axis of the transmission gear 4. The rotating shaft assembly 3 comprises a rotating shaft 31, a balance wheel 32 and a swing arm 33 which are arranged at two ends of the rotating shaft 31, a cam 21 arranged on an output shaft of the motor 2 is in contact connection with the balance wheel 32, a gear shaft 41 is arranged on the transmission gear 4, a shifting lever 411 is vertically connected to the gear shaft 41, the swing arm 33 is in contact connection with the shifting lever 411, when a small-diameter end of the cam 21 is in contact connection with the balance wheel 32, the transmission gear 4 is in a first state, and when a large-diameter end of the cam 21 is in contact connection with the balance wheel 32, the rotating shaft assembly 3 drives the transmission gear 4 to be in a second state. As mentioned above, through setting up axis of rotation subassembly 3, can conveniently carry out rational arrangement to motor 2 position, as shown in fig. 1, through the axis that makes axis of rotation subassembly 3 and pass the axis that connects gear 4 to perpendicular, can make the axis of the output shaft of motor 2 and pass and connect gear 4 and be parallel, save space and make things convenient for the power that motor 2 and lock body set up to be connected.

In this embodiment, the rotating shaft assembly 3 is rotatably disposed on the transverse shaft sleeve 14 on the bracket 1, the balance 32 in the rotating shaft assembly 3 includes a fixed wheel 321 and a transmission rod 322, the fixed wheel 321 is disposed concentrically with the rotating shaft 31, the fixed wheel 321 can perform an axial limiting function on the rotating shaft 31, the fixed wheel 321 is used for mounting the transmission rod 322, the transmission rod 322 is disposed on an outer circumferential surface of the fixed wheel 321 along a radial direction of the fixed wheel 321, the cam 21 is in contact connection with the transmission rod 322, and the small-diameter end and the large-diameter end of the cam 21 are respectively in contact connection with the transmission rod 322, so that the rotating shaft assembly 3 can be driven to rotate forward and backward by a certain angle, and the transmission gear 4 is further in the first state or the second state. The driving rod 322 is a cylindrical rod-shaped structure, the driving rod 322 can be integrally formed with the fixed wheel 321, for example, the balance 32 can be integrally formed by using high-strength rigid plastics, and the balance 32 can be manufactured by an injection molding process when the balance 32 is manufactured.

In this embodiment, the gear shaft 41 is inserted into the vertical shaft sleeve 13 disposed on the bracket 1, the outer wall of the lower end of the vertical shaft sleeve 13 is provided with a notch 131, the shift lever 411 extends out of the notch 131 to be in contact with the swing arm 33, and the swing arm 33 is located on one side of the shift lever 411 facing the transfer gear 4. In this embodiment, a return spring 42 is disposed between the gear shaft 41 of the transmission gear 4 and the vertical bushing 13 of the bracket 1, one end of the return spring 42 abuts against the vertical bushing 13 of the bracket 1, the other end of the return spring 42 abuts against the gear shaft 41, and the return spring 42 is used for applying an elastic force to the gear shaft 41 in a direction toward the transmission gear 4. Referring to fig. 1, the swing arm 33 in the rotating shaft assembly 3 is connected to a shift lever 411 on the gear shaft 41 in a contacting manner, the swing arm 33 is located on one side of the shift lever 411 facing the transmission gear 4, and the swing arm 33 is configured to drive the gear shaft 41 to move up and down by pressing the shift lever 411 during swinging, so that the transmission gear 4 is in the first state or the second state. As shown in fig. 4 and 5, in this embodiment, the return spring 42 is a cylindrical helical compression spring, the gear shaft 41 is rotatably disposed on the vertical shaft sleeve 13 on the bracket 1 in a vertically sliding manner, a circular groove for disposing the return spring 42 is disposed on the upper portion of the vertical shaft sleeve 13, an inner diameter of the circular groove is larger than an outer diameter of the return spring 42, an inner diameter of the return spring 42 is larger than an outer diameter of the gear shaft 41, a lower end of the return spring 42 abuts against a bottom wall of the circular groove, a baffle is fixedly disposed at a position, close to the transfer gear 4, of an upper end of the gear shaft 41, and an upper end of the return spring 42 abuts against the.

Referring to fig. 4 and 5, when the motor 2 rotates by a predetermined angle to connect the small diameter end of the cam 21 on the output shaft thereof with the transmission rod 322 of the balance 32 at one end of the rotating shaft 31, the swing arm 33 at the other end of the rotating shaft 31 is rotated to its uppermost position, at which the transfer gear 4 is moved upward by the elastic force of the return spring 42 to a position where it is engaged with the sun gear 6 and the internal gear 5, at the same time, the driving lever 411 on the gear shaft 41 moves upward and is connected in contact with the swing arm 33, as shown in fig. 4, the transfer gear 4 is schematically shown in a first state, in which the sun gear 6 is engaged with the internal gear 5 and the sun gear 6, the internal gear 5 is rotated by hand, the central gear 6 can be driven to rotate through the transmission action of the transmission gear 4, so that the locking mechanism is driven to unlock or close through the transmission shaft 61 on the central gear 6. In this embodiment, locking mechanical system is equipped with compression spring including rotating post, spring bolt and lock beam between lock beam and the lock body for pop out the lock beam, be equipped with the breach that is used for the spring bolt joint on the lock beam, be equipped with locking compression spring on the spring bolt, thereby locking compression spring is arranged in realizing closing the lock with the one end joint of spring bolt in the breach of lock beam, spring bolt one side is equipped with the cooperation arch, and transmission shaft 61 drives and rotates the post and rotate, rotates the protruding spring bolt that makes of cooperation on the post stir the spring bolt and remove the compression locking compression spring makes the spring bolt break away from the breach on the lock beam, and the lock beam is in compression spring's effect lock body outside direction is popped out. Transmission shaft 61 antiport drives and rotates the post and reset, and the spring bolt is in reset under locking compression spring's the effect, when bulldozing the lock beam towards the interior direction of lock body, realize closing the lock when the breach of lock beam and the one end joint of spring bolt. In other alternative embodiments, the locking structure may have other forms, for example, the locking structure includes a driving gear and a lock beam, a rack engaged with the driving gear is provided on the lock beam, the driving gear is provided at an end of the driving shaft 61, when the driving shaft 61 rotates in a forward direction, the lock beam extends out of the lock body toward an outer direction of the lock body under the engagement action of the rack and the driving gear, and when the driving shaft 61 rotates in a reverse direction, the lock beam retracts into the lock body toward an inner direction of the lock body under the engagement action of the rack and the driving gear. The specific structure of the locking mechanism is the prior art, and is not described herein again, and the locking mechanism in the existing lock can be referred to specifically, as long as the unlocking and locking can be realized by the driving locking mechanism of the transmission shaft 61 in this embodiment. When the motor 2 rotates by a preset angle again to make the large diameter end of the cam 21 on the output shaft contact and connect with the transmission rod 322 of the balance wheel 32 at one end of the rotating shaft 31, the swing arm 33 at the other end of the rotating shaft 31 rotates to the lowest position, and the swing arm 33 presses the shift lever 411 to move downwards in the process that the swing arm 33 rotates from the highest position to the lowest position, so as to drive the transmission gear 4 to move downwards, and the return spring 42 compresses, so that the transmission gear 4 is disengaged from the central gear 6, as shown in fig. 5, the transmission gear 4 is in the second state, in this state, the transmission gear 4 and the central gear 6 are in a non-engagement state, and at this time, the internal gear 5 is rotated by hand, so as to not drive the central gear 6 to rotate, and thus the locking mechanism cannot be unlocked and locked.

In order to conveniently rotate the internal gear 5 to unlock and lock, the driving mechanism further comprises a rotating wheel 7 rotatably arranged on the bracket 1, and the internal gear 5 is fixedly connected to the inner wall of the rotating wheel 7. The outer circumferential wall of the rotation wheel 7 is provided with an anti-slip groove to increase friction when the rotation wheel 7 is manually rotated.

The bottom and the top of the bracket 1 are detachably connected with a bottom plate 101 and a top cover 102 respectively, and the rotating wheel 7 is sleeved outside the bracket 1. As shown in fig. 3, fig. 3 is a schematic structural diagram of the bracket 1 in the electronic intelligent lock in the present embodiment. As can be seen in the figure, the support 1 comprises a circular base 11 and a stand column 12, the stand column 12 is fixedly connected to the upper portion of the circular base 11, an internal gear mounting seat 16 is fixedly connected to the stand column 12 through screws, and an L-shaped notch used for placing the internal gear 5 is formed in the outer side of the internal gear mounting seat 16 along the circumferential direction. The rotary wheel 7 is provided with a lower spigot and an upper spigot, when the rotary wheel 7 is installed, the lower spigot of the rotary wheel 7 is abutted against the circular base 11, then the internal gear installation seat 16 is fixedly connected onto the upright post 12 through a screw, and the internal gear installation seat 16 is abutted against the upper spigot of the rotary wheel 7, so that the rotary wheel 7 is rotatably arranged on the bracket 1. The inner peripheral wall of the upper part of the rotating wheel 7 is provided with a notch corresponding to the L-shaped notch on the internal gear mounting base 16, the outer side of the internal gear 5 is fixed at the notch, and the inner side of the internal gear 5 is positioned at the L-shaped notch on the internal gear mounting base 16. Wherein, the internal gear mounting base 16 is provided with a gap corresponding to the position of the transfer gear 4 for the engagement transmission of the transfer gear 4 and the internal gear 5.

The central gear 6 comprises a central gear body and a central cylinder fixedly arranged on the upper part of the central gear body, and the transmission shaft 61 is fixedly connected to the center of the central cylinder. The top of the upright post 12 is provided with a concave table surface for mounting the central gear 6, the central gear body is arranged on the concave table surface, and the top cover 102 is correspondingly provided with a mounting hole matched with the central cylinder. The top cover 102 is fixedly connected to the top of the upright post 12 through screws, a central cylinder of the central gear 6 is inserted into the mounting hole, and the top cover 102 can axially limit and transversely limit the central gear 6. The bottom plate 101 is fixedly connected to the bottom of the circular base 11 by screws.

Still be equipped with motor mount pad 15 on the support 1, in this embodiment, motor mount pad 15, horizontal axle sleeve 14 and vertical axle sleeve three are made as an organic whole, through screw fixed connection on circular base 11. After the motor 2 is installed on the motor installation seat 15, one end of the motor 2, which is far away from the output shaft of the motor, extends out of the top cover 102, so that the motor 2 can be conveniently connected with a power supply arranged in the lock body.

In this embodiment, the base plate 101, the top cover 102 and the rotary wheel 7 enclose an accommodation space, and the holder 1, the motor 2, the rotary shaft assembly 3, the transfer gear 4, the internal gear 5 and the sun gear body portion of the sun gear 6 are disposed in the accommodation space.

Be equipped with control module, verification module and power on this electronic intelligence shutting's the lock body, power, motor 2 and verification module all with control module electric connection, verification module is used for gathering verification information to and compare verification information and preset information, control module is used for when verification information is unanimous with preset information driving motor 2 rotates and presets the angle, figure 6 is this electronic intelligence shutting's theory of operation block diagram. The verification module is one or more of a password input module, a fingerprint verification module, a Bluetooth verification module, a voice verification module and a face recognition module.

In this embodiment, the verification module is a password input module and a fingerprint verification module, when the electronic intelligent lock is used, a fingerprint is pressed in a fingerprint verification area on the lock body, or a password is input on a password input key, the verification module collects the verification information and compares the verification information with preset information, if the verification information is consistent with the preset information, the control module controls the motor 2 to rotate by a preset angle, so that the small-diameter end of the cam is in contact connection with the balance wheel 32, the transmission gear 4 is driven to be in a first state, namely, the internal gear 5 and the central gear 6 are simultaneously meshed with the transmission gear 4, and at the moment, the rotating wheel 7 is rotated to unlock and lock. After the hand wheel is rotated to close the lock, a fingerprint is pressed in a fingerprint verification area on the lock body, or a password is input on a password input key, the verification module collects the verification information and compares the verification information with preset information, if the verification information is consistent with the preset information, the control module controls the motor 2 to rotate by a preset angle, the large-diameter end of the cam is in contact connection with the balance wheel 32, the driving transmission gear 4 is in a second state, namely the transmission gear 4 is disengaged from the central gear 6, the lock closing operation is completed completely, and then the unlocking and lock closing operation cannot be performed by rotating the rotating wheel 7. In order to accurately control the rotation angle of the motor 2, in the embodiment, the motor 2 is a stepping motor, the large-diameter end and the small-diameter end of the cam are circumferentially spaced by 180 degrees, and the driving module controls the motor 2 to rotate 180 degrees at a time, so that the small-diameter end and the large-diameter end of the cam are alternately in contact connection with the balance 32, and the electronic intelligent lock is opened and closed.

In summary, in the electronic intelligent lock provided by the invention, the transmission gear, the internal gear and the central gear are arranged in the driving mechanism, the transmission gear has a first state and a second state, when the transmission gear is driven by the motor to be in the first state, the transmission gear is respectively meshed with the internal gear and the central gear, the central gear can be driven to rotate by rotating the internal gear through the transmission gear, so that the transmission shaft on the central gear drives the locking mechanism to realize unlocking and locking, when the transmission gear is driven by the motor to be in the second state, the transmission gear is disengaged from the central gear, and at this time, the rotating internal gear cannot drive the central gear to rotate through the transmission gear. Through setting up this actuating mechanism on the lock body, need not to set up the key and can realize unblanking and close the lock to avoided forgetting to carry the key or the key loses etc. and caused the unable normal condition of opening of tool to lock, made the opening and closing of tool to lock all become very convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. An electronic intelligent lock is characterized by comprising a lock body, a locking mechanism and a driving mechanism, wherein the locking mechanism and the driving mechanism are arranged on the lock body;

2. The electronic intelligent latch of claim 1 wherein the drive mechanism further comprises a rotating shaft assembly rotatably disposed on the bracket, and an axis of the rotating shaft assembly is perpendicular to an axis of the transfer gear;

3. An electronic intelligent latch according to claim 2, wherein the balance comprises a fixed wheel and a transmission rod, the fixed wheel is concentrically arranged with the rotating shaft, the transmission rod is arranged on the outer peripheral surface of the fixed wheel along the radial direction of the fixed wheel, and the cam is in contact connection with the transmission rod.

4. The electronic intelligent latch according to claim 2, wherein a return spring is disposed between the gear shaft of the transfer gear and the bracket, one end of the return spring abuts against the bracket, the other end of the return spring abuts against the gear shaft, and the return spring is configured to apply an elastic force to the gear shaft in a direction toward the transfer gear.

5. The electronic intelligent latch according to claim 4, wherein the gear shaft is inserted into a vertical shaft sleeve provided on the bracket, a notch is provided on an outer wall of a lower end of the vertical shaft sleeve, the shift lever extends out of the notch to be in contact with the swing arm, and the swing arm is located on a side of the shift lever facing the transmission gear.

6. An electronic smart latch as in claim 1 wherein the drive mechanism further comprises a rotating wheel rotatably disposed on the carriage, the internal gear being fixedly attached to an inner wall of the rotating wheel.

7. The electronic intelligent latch of claim 6, wherein the bottom and the top of the rack are detachably connected with a bottom plate and a top cover, respectively, and the rotating wheel is sleeved outside the rack.

8. The electronic intelligent latch according to claim 1, wherein a control module and a verification module are disposed on the lock body, the motor and the verification module are both electrically connected to the control module, the verification module is configured to collect verification information and compare the verification information with preset information, and the control module is configured to drive the motor to rotate by a preset angle when the verification information is consistent with the preset information.

9. An electronic intelligent latch according to claim 8, wherein the motor is a stepper motor.

10. The electronic smart latch of claim 8, wherein the authentication module is one or more of a password entry module, a fingerprint authentication module, a bluetooth authentication module, a voice authentication module, and a face recognition module.