Electric connection structure of electronic padlock

By simplifying the electrical connection structure of the electronic padlock, a circuit is adopted consisting of battery positive terminal - positive spring - drive circuit board - connecting wire - main circuit board - conductive sheet - locking rod - locking block - battery cover - negative spring, which solves the problem of messy wire connections and achieves reduced parts, simple structure and anti-theft function.

CN223724350UActive Publication Date: 2025-12-26XIAMEN MAKE IOT TECH CO LTD
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Patent Information

Application Number
CN202423063770.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-26
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The internal wiring of existing electronic padlocks is messy, resulting in numerous parts and difficult assembly.

Method used

The circuit structure of battery positive terminal - positive terminal spring - drive circuit board - connecting wire - main circuit board - conductive sheet - locking rod - locking block - battery cover - negative terminal spring simplifies the electrical connection. The locking rod is used as a locking and conductive component, requiring only one connecting wire.

Benefits of technology

This technology reduces the number of parts in electronic padlocks, resulting in a simpler structure and smaller size. Users can control the motor to unlock the battery cover via commands, preventing theft.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric connection structure of an electronic padlock, which can simplify the structure and reduce the number of parts, and comprises a lock body, a battery cover, a motor, a driven wheel, a sliding block, a locking block, a lock rod, a driving circuit board and a main circuit board, the lock body is provided with a battery bin, and a battery cover is arranged at a battery bin port. The motor, the driving circuit board and the main circuit board are all mounted in the lock body, the driving circuit board is electrically connected with the main circuit board through a connecting wire, and the motor is electrically connected with the driving circuit board and drives the driven wheel; the sliding block, the locking block and the lock rod are in sliding fit in the lock body, the driven wheel, the sliding block, the locking block and the lock rod are in linkage in sequence, and the motor unlocks sliding of the locking block when driving the driven wheel to rotate, so that the battery cover is allowed to be opened; an anode seat provided with an anode spring is arranged at the inner end of the battery bin, and the anode spring is electrically connected with the driving circuit board; the battery cover is provided with a negative electrode spring, the battery cover, the locking block and the lock rod are all made of conductive materials, and the main circuit board is provided with a conductive piece which is always matched on the surface of the lock rod.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic padlock technical field, especially point to a kind of electric connection structure of electronic padlock. BACKGROUND

[0002] Electronic padlock is a kind of padlock using electronic technology to control, usually contains a small electronic device, can be opened and locked by password, remote control, fingerprint identification, RFID (wireless radio frequency identification) etc., more secure and convenient than traditional mechanical lock. Electronic padlock is widely used in various occasions needing security protection, such as door lock, suitcase, cabinet etc.

[0003] Electronic padlock usually uses battery power supply, battery is connected with circuit board by wire, but the wire connection inside existing electronic padlock is relatively messy, leading to many parts, difficult to assemble. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of electric connection structure of electronic padlock, solve the problems existing in prior art, can simplify the electric connection structure inside electronic padlock, reduce the number of parts.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A kind of electric connection structure of electronic padlock, including lock body, battery cover, motor, driven wheel, sliding block, locking block, lock rod, drive circuit board and main circuit board;The lock body is provided with battery compartment, the battery cover is detachably mounted at the port of the battery compartment;The motor, drive circuit board and main circuit board are all installed in the lock body, the drive circuit board is electrically connected with the main circuit board by connecting wire, the motor is electrically connected with the drive circuit board and drives the driven wheel;The sliding block, locking block and lock rod are respectively slidingly fitted in the lock body, the driven wheel, sliding block, locking block and lock rod are sequentially linked, the motor drives the driven wheel to rotate and unlock the sliding of the locking block, allow the battery cover to be disassembled;The inner side end of the battery compartment is provided with positive pole seat, the positive pole spring is installed on the positive pole seat, the positive pole spring is electrically connected with the drive circuit board;Negative pole spring is installed in the battery cover, the battery cover, locking block and lock rod are made of conductive material, the main circuit board is provided with the conductive sheet that is always fitted on the surface of the lock rod.

[0007] The electric connection structure of the electronic padlock further comprises a slider spring, a locking spring and a lock rod spring; the slider is in transmission connection with the driven wheel and is provided with a clearance recess; the locking block is opposite to the battery cover and limits the battery cover from being taken out of the port of the battery compartment when abutting against the battery cover; the lock rod is arranged between the slider and the locking block, and when the lock rod is out of position with the clearance recess, the lock rod abuts against the locking block to limit the sliding of the locking block, and when the lock rod is opposite to the clearance recess, the sliding of the locking block is unlocked; the slider spring is used to drive the slider to make the clearance recess out of position with the lock rod; the locking spring is used to drive the locking block to abut against the battery cover; and the lock rod spring is used to drive the lock rod to abut against the locking block.

[0008] Preferably, one side of the locking block facing the lock rod is recessed to form a limiting groove, the surface of the lock rod abutting against the locking block is embedded in the limiting groove, and when one end of the lock rod is out of position with the clearance recess, the other end of the lock rod cannot be taken out of the limiting groove; and the limiting groove is a spherical groove.

[0009] Preferably, the electric connection structure of the electronic padlock further comprises a lock beam mounted on the lock body and a lock beam spring used to pop up the lock beam; the lock beam is provided with a locking groove; the lock body is provided with a movable steel ball driven by a cam rotating synchronously with the driven wheel; when the cam rotates, the steel ball is pushed into the locking groove to achieve locking, or the movement of the steel ball is allowed to achieve unlocking of the movement of the lock beam.

[0010] Preferably, the rotating shaft of the cam penetrates through the driving circuit board and is in key connection with the driven wheel; the driving circuit board is provided with a first Hall switch and a second Hall switch; the lock beam and the cam are respectively embedded with a first magnet and a second magnet in sensing cooperation with the first Hall switch and the second Hall switch.

[0011] Preferably, the lock body comprises a lock shell, a base and a bottom cover assembled in sequence from top to bottom, and a fixed seat and a cam seat mounted in the lock shell; the lock shell and the fixed seat and the cam seat therein constitute an upper part of the main body of the electronic padlock, the base and the bottom cover constitute a lower part of the main body of the electronic padlock, the motor, the driven wheel, the slider, the lock rod, the slider spring, the lock rod spring, the lock beam, the lock beam spring, the steel ball, the cam and the driving circuit board are assembled with the upper part of the main body, the battery cover, the locking block, the locking spring and the main circuit board are assembled with the lower part of the main body, the driving circuit board and the main circuit board are electrically connected through a connecting line; the main circuit board has a Bluetooth function, and the base and the bottom cover are made of plastic.

[0012] The main circuit board is configured with an automatic sleep function, and is provided with a wake-up button electrically connected with the main circuit board; and the surface of the lock body is provided with a key opposite to the wake-up button.

[0013] The circumferential surface of the battery cover is provided with a limiting ring groove and a communication port communicating between the side surface of the limiting ring groove and the inner side end surface of the battery cover; the port of the battery compartment is provided with a limiting protrusion which enters the limiting ring groove from the communication port and is movably fitted in the limiting ring groove; the circumferential surface of the battery cover is provided with a rotation stopping groove; the locking block is provided with a rotation stopping protrusion matched with the rotation stopping groove, and the rotation stopping protrusion movably abuts against the circumferential surface of the battery cover; the rotation stopping groove is a V-shaped groove; the upper and lower surfaces of the rotation stopping protrusion are respectively a plane and an inclined surface, and the plane blocks the moving path of the battery.

[0014] The output shaft of the motor is coaxially connected with a driving wheel, and the driving wheel is engaged with the driven wheel.

[0015] The surface of the sliding block is provided with a convex column, and the driven wheel is provided with a hook; the hook is movably hooked on the convex column with the rotation of the driven wheel, and pulls the sliding block to move.

[0016] After the above technical scheme is adopted, the utility model has the following technical effects:

[0017] The utility model can constitute the loop of battery positive pole-positive spring-driving circuit board-connection line-main circuit board-conductive piece-lock rod-locking block-battery cover-negative pole spring-battery negative pole, realize that the battery supplies power for the electric element in the electronic padlock, and the lock rod can be used as the locking piece and the conductive piece in the electronic padlock simultaneously, so that the utility model only needs a connection line, the number of parts of the product is simplified, the structure is simpler, and the volume is smaller; as the electronic padlock, when the user inputs the correct instruction in the preset mode, the motor can be controlled to work and start, and then the driven wheel drives the sliding block to slide, so that the sliding block is positioned in the recess and opposite to the lock rod, at this time, the lock rod is unlocked to limit the locking block, the locking block can slide freely to the direction of compressing the locking spring, and the opening of the battery cover is no longer limited, so that the user can replace the battery; the utility model enables the user to unlock the battery cover by inputting the instruction, realizes the controllable opening of the battery cover, and achieves the purpose of theft prevention. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the specific embodiment of the utility model;

[0019] Figure 2 It is an exploded view of the specific embodiment of the utility model;

[0020] Figure 3 It is a part structure diagram of the specific embodiment of the utility modelFigure 1 ;

[0021] Figure 4 Part structure diagram of the embodiment of the utility model Figure 2 ;

[0022] Figure 5 The embodiment of the utility model's driving wheel, driven wheel and slider are shown in the figure

[0023] Figure 6 The locking block of the embodiment of the utility model is shown in the figure

[0024] Figure 7 The embodiment of the utility model's split design is shown in the figure

[0025] Figure 8 The embodiment of the utility model's electrical connection is shown in the figure

[0026] Figure 9 The embodiment of the utility model's waterproof design is shown in the figure

[0027] Explanation of reference numerals:

[0028] 1 - lock body;1a - lock shell;1b - base;1c - bottom cover;1d - fixed seat;1e - cam seat;11 - battery compartment;111 - limiting protrusion;2 - battery cover;21 - limiting ring groove;22 - communication port;23 - rotation stopping groove;3 - motor;4 - driven wheel;41 - hook;5 - slider;51 - let go recess;52 - protruding column;6 - locking block;61 - rotation stopping protrusion;611 - flat surface;612 - inclined surface;62 - limiting groove;7 - lock rod;8 - slider spring;9 - locking spring;10 - lock rod spring;20 - driving wheel;30 - lock beam;301 - locking groove;40 - lock beam spring;50 - steel ball;60 - cam;70 - driving circuit board;701 - first Hall switch;702 - second Hall switch;80 - first magnet;90 - second magnet;100 - main circuit board;1001 - conductive sheet;200 - connecting wire;300 - positive electrode seat;400 - positive electrode spring;500 - negative electrode spring;600 - wake-up button;700 - key;a - battery;b, c - glue filling space;d - sealing ring. DETAILED DESCRIPTION

[0029] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0030] Reference Figures 1-9As shown, the specific embodiment discloses an electronic padlock, and relates to a battery cover structure and an electric connection structure of the electronic padlock, both of which are related to the battery cover and parts matched with the battery cover.

[0031] The lock body 1 is provided with a battery compartment 11 for accommodating the battery a, and the battery cover 2 is detachably mounted at the port of the battery compartment 11.

[0032] The motor 3 is mounted in the lock body 1 and used for driving the driven wheel 4 to rotate.

[0033] The sliding block 5, the locking block 6 and the lock rod 7 are respectively slidingly matched in the lock body 1; the sliding block 5 is in transmission connection with the driven wheel 4 and is provided with a clearance recess 51; the locking block 6 is opposite to the battery cover 2 and limits the battery cover 2 from being detached from the port of the battery compartment 11 when abutting against the battery cover 2; the lock rod 7 is arranged between the sliding block 5 and the locking block 6, and the lock rod 7 abuts against the locking block 6 to limit the sliding of the locking block 6 when the lock rod 7 is dislocated with the clearance recess 51, and the lock rod 7 unlocks the sliding of the locking block 6 when the lock rod 7 is opposite to the clearance recess 51.

[0034] The sliding block spring 8 is used for driving the sliding block 5 to make the clearance recess 51 dislocate with the lock rod 7, so that the lock rod 7 limits the locking block 6 in the normal state (when the motor 2 is not running) and the battery cover 2 cannot be detached.

[0035] The locking spring 9 is used for driving the locking block 6 to abut against the battery cover 2.

[0036] The lock rod spring 10 is used for driving the lock rod 7 to abut against the locking block 6.

[0037] Through the above scheme, the utility model is suitable for an electronic padlock, when the user inputs correct instructions through password, remote controller, fingerprint identification, RFID (wireless radio frequency identification) and the like, the motor 2 can be controlled to work to start, and then the sliding block 5 is driven to slide by the driven wheel 4, so that the clearance recess 51 of the sliding block 5 is opposite to the lock rod 7, at this moment, the lock rod 7 is unlocked to limit the locking block 6, the locking block 6 can slide freely to the direction of compressing the locking spring 9, and the opening of the battery cover 2 is not limited, so that the user can replace the battery a; the utility model enables the user to realize the unlocking of the battery cover 2 through the input instruction mode, realizes the controllable opening of the battery cover 2, and achieves the purpose of theft prevention.

[0038] The following shows the specific embodiment of the utility model.

[0039] The battery cover 2 is detachably installed with the lock body 1 by rotating clamping, specifically, the circumferential surface of the battery cover 2 is provided with a limiting ring groove 21 and a communication port 22 which communicates the side surface of the limiting ring groove 21 with the inner side end surface of the battery cover 2; the port of the battery compartment 11 is provided with a limiting protrusion 111 which enters the limiting ring groove 21 from the communication port 22 and is movably fitted in the limiting ring groove 21. Therefore, the function of the above-mentioned locking block 6 is to limit the rotation of the battery cover 2, that is, to limit the rotation of the battery cover 2 to the angle at which the communication port 22 is opposite to the limiting protrusion 111.

[0040] Further, the circumferential surface of the battery cover 2 is provided with a rotation stopping groove 23; the locking block 6 is provided with a rotation stopping protrusion 61 which matches the rotation stopping groove 23 and is movably abuts against the circumferential surface of the battery cover 2 under the elastic force of the locking spring 9. In this embodiment, the rotation stopping groove 23 is a V-shaped groove, when the locking rod 7 does not limit the sliding of the locking block 6, the rotation stopping protrusion 61 can be made to come out of the rotation stopping groove 23 by twisting the battery cover 2.

[0041] Secondly, referring to Figure 6 With the battery cover 2 installed on the lower surface of the lock body 1 as the reference direction, the upper and lower surfaces of the above-mentioned rotation stopping protrusion 61 are respectively a plane 611 and an inclined surface 612, and the plane 611 blocks the movement path of the battery a under the elastic force of the locking spring 9. When the battery a is loaded into the battery compartment 11, the locking block 6 can compress the locking spring 9 to retreat under the action of the inclined surface 612, so that the battery a can be directly pushed into the battery compartment 11 without the need to manually press the locking block 6 to retreat; when the battery cover 2 is opened, the battery a will be blocked by the plane 611 and will not immediately fall out of the battery compartment 11, avoiding damage or hitting people, at this time, only the user can manually press the locking block 6 to retreat to take out the battery a.

[0042] The output shaft of the above-mentioned motor 3 is coaxially connected with a driving wheel 20, the driving wheel 20 is engaged with the driven wheel 4, so as to realize the driving of the motor 3 to the driven wheel 4, and the position of the driven wheel 4 and the motor 3 is no longer limited to the end position of the motor 3, the installation position is more flexible, such as can be arranged at the side of the motor 3, which is beneficial to the miniaturization of the lock product.

[0043] The surface of the above-mentioned sliding block 5 is provided with a protruding column 52, and the driven wheel 4 is provided with a hook 41; the hook 41 is movably hooked on the protruding column 52 with the rotation of the driven wheel 4, and pulls the sliding block 5 to move towards the direction of compressing the sliding block spring 8, so as to make the locking rod 7 opposite to the accommodation recess 51. In this embodiment, the above-mentioned accommodation recess 51 is a stepped structure which is recessed on the surface of the sliding block 5 facing the locking rod 7.

[0044] The one side of the locking block 6 facing the lock rod 7 is recessed to form a limiting groove 62, the lock rod 7 abuts against the surface of the locking block 6 under the elastic force of the lock rod spring 10 and is embedded in the limiting groove 62, when the one end of the lock rod 7 is misaligned with the giving recess 51, the other end of the lock rod 7 cannot be taken out of the limiting groove 62, so as to limit the sliding of the locking block 6. In the embodiment, the lock rod spring 10 is sleeved on the one end of the lock rod 7 facing the sliding block 5 and abuts against the sliding block 5; the limiting groove 62 is a spherical groove, when the one end of the lock rod 7 is opposite to the giving recess 51, the user can make the end of the lock rod 7 taken out of the limiting groove 62 by pressing the locking block 6 to make it retreat under the guidance of the spherical surface of the limiting groove 62.

[0045] The lock body 1 is provided with groove-shaped or hole-shaped structures for sliding cooperation of the sliding block 5, the locking block 6 and the lock rod 7, for guiding the sliding direction of the sliding block 5 / locking block 6 / lock rod 7 and limiting the moving stroke. In the embodiment, the sliding grooves of the sliding block 5 and the locking block 6 are perpendicular to the sliding groove of the lock rod 7, the sliding groove of the sliding block 5 is perpendicular to the sliding groove of the locking block 6, if the sliding groove of the lock rod 7 is defined as the Z-axis direction, the sliding grooves of the sliding block 5 and the locking block 6 are the Y-axis and Z-axis directions respectively.

[0046] The utility model further includes the lock beam 30 of installing on the lock body 1 and the lock beam spring 40 for popping out the lock beam 30, under normal circumstances, the lock beam 30 of electronic padlock is U type spare, its surface is provided with locking groove 301, the lock body 1 is provided with movable steel ball 50, steel ball 50 is driven by cam 60 synchronous rotation with driven wheel 4, when cam 60 rotates, steel ball 50 is pushed into locking groove 301 to realize locking, or the activity of giving steel ball 50 realizes the activity of unlocking lock beam 30.

[0047] Further, the lock body 1 is provided with a driving circuit board 70, the rotating shaft of the cam 60 is provided through the driving circuit board 70 and is keyed connected with the driven wheel 4 to realize synchronous rotation, the driving circuit board 70 is electrically connected with the motor 3 and is provided with a first hall switch 701 and a second hall switch 702, the lock beam 30 and the cam 60 are respectively embedded with a first magnet 80 and a second magnet 90 which are inductive cooperation with the first hall switch 701 and the second hall switch 702. Thus, the motor state and the lock beam state can be inducted and judged, and the motor 3 can be automatically started and stopped by corresponding program setting.

[0048] Secondly, the utility model further includes a main circuit board 100 with Bluetooth function, the lock body 1 includes a lock shell 1a, a base 1b and a bottom cover 1c which are assembled from top to bottom, and a fixing seat 1d and a cam seat 1e which are installed in the lock shell 1a, referring to Figure 7The utility model discloses an electronic lock is provided with the upper part main body and the lower part main body, and the upper part main body and the lower part main body are assembled, the battery cover 2, the locking block 6, the locking spring 9 and the main circuit board 100 with the lower part main body are assembled, and the driving circuit board 70 and the main circuit board 100 realize electric connection through the connecting line 200. Such split structure can make each spare part cooperate more compactly, make battery a have greater assembly space, can increase the capacity of battery a, and the base 1b and the bottom cover 1c are made of plastics simultaneously, can avoid the shielding of metal to signal, can also increase the bluetooth and 4G signal strength on the main circuit board 100. In the embodiment, the battery compartment 11 is formed by the fixing seat 1d, the base 1b and the bottom cover 1c, and the battery cover 2 is detachably connected with the bottom cover 1c. The fixing seat 1d is the main mounting seat of the upper part main body, and is provided with groove-like or hole-like structures for sliding cooperation of the sliding block 5, the locking block 6 and the locking rod 7 respectively, and the cam 70 is installed in the cam seat 1e, and the driving circuit board 70 is located between the cam seat 1e and the fixing seat 1d. Figure 9 The split parts of the lock body 1 can be sealed by a sealing ring or glue filling or both, to improve the waterproof level of the electronic lock and meet market demand. For example, glue filling spaces b are arranged between the driving circuit board 70 and the cam seat 1e, glue filling spaces c are designed between the base 1b and the main circuit board 100, and sealing rings d are arranged between the lock shell 1a and the base 1b.

[0049] In some embodiments provided with the driving circuit board 70 and the main circuit board 100, in order to realize simpler circuit connection and save parts and structural space, the utility model also improves the electric connection structure, specifically as follows:

[0050] The driving circuit board 70 and the main circuit board 100 are arranged in the lock body 1 and are electrically connected through the connecting line 200, and the driving circuit board 70 is electrically connected with the motor 3. Figure 8 And the utility model discloses a lock body 1 is provided with the driving circuit board 70 and the main circuit board 100, and the driving circuit board 70 and the main circuit board 100 are electrically connected through the connecting line 200, and the driving circuit board 70 is electrically connected with the motor 3. Figure 2 , 3It can be seen that the inner end of the battery compartment 11 is provided with a positive electrode seat 300, the positive electrode spring 400 is installed on the positive electrode seat 300, one end of the positive electrode spring 400 is electrically connected with the driving circuit board 70; the negative electrode spring 500 is installed in the battery cover 2, the battery cover 2, the locking block 6 and the locking rod 7 are all made of conductive material, the main circuit board 100 is provided with a conductive sheet 1001 which is tightly fitted on the surface of the locking rod 7, the conductive sheet 1001 is always in contact with the locking rod 7 by relying on the elasticity of itself and the sliding of the locking rod 7. Thus, the circuit of battery a positive electrode-positive electrode spring 400-driving circuit board 70-connection line 200-main circuit board 100-conductive sheet 1001-locking rod 7-locking block 6-battery cover 2-negative electrode spring 500-battery a negative electrode is formed, the electronic lock is powered by the battery a, and the locking rod 7 can be used as the locking member and the conductive member in the electronic lock at the same time, the number of parts of the product is simplified, the structure is simpler, and the size is smaller. In the embodiment, one end of the positive electrode spring 400 is led to the screw column of the positive electrode seat 300 and is in contact with the positive electrode pad of the driving circuit board 70, a screw is further provided to be screwed into the screw column to realize locking, and the positive electrode pad is connected to the main circuit board 100 through the connection line 200.

[0051] Further, the main circuit board 100 is provided with an automatic sleep function, and the wake-up button 600 is electrically connected with the main circuit board 100; the surface of the lock body 1 is provided with the button 700 which is opposite to the wake-up button 600. The main circuit board 100 will automatically sleep and enter the standby state after the time of non-operation reaches the preset length, so as to reduce unnecessary power consumption, and the user can wake up by pressing the button 700.

[0052] The above embodiment and drawings are not limited to the product form and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be considered as not departing from the patent category of the utility model.

Claims

1. An electric connection structure of an electronic padlock, characterized in that: comprising a lock body, a battery cover, a motor, a driven wheel, a slider, a locking block, a locking rod, a driving circuit board and a main circuit board; the lock body is provided with a battery compartment, and the battery cover is detachably mounted at a port of the battery compartment; the motor, the driving circuit board and the main circuit board are all mounted in the lock body, the driving circuit board is electrically connected with the main circuit board through a connecting line, the motor is electrically connected with the driving circuit board and drives the driven wheel; the slider, the locking block and the locking rod are respectively slidingly fitted in the lock body, the driven wheel, the slider, the locking block and the locking rod are sequentially linked, and the motor drives the driven wheel to rotate to unlock the sliding of the locking block, allowing the battery cover to be detached; an anode seat is arranged at an inner side end of the battery compartment, an anode spring is mounted on the anode seat, the anode spring is electrically connected with the driving circuit board, a cathode spring is mounted in the battery cover, the battery cover, the locking block and the locking rod are all made of conductive material, and the main circuit board is provided with a conductive sheet always cooperating with the surface of the locking rod.

2. The electric connection structure of the electronic padlock according to claim 1, characterized in that: further comprising a slider spring, a locking spring and a locking rod spring; the slider is in transmission connection with the driven wheel and is provided with a clearance recess; the locking block is opposite to the battery cover and limits the battery cover from being detached from the port of the battery compartment when abutting against the battery cover; the locking rod is arranged between the slider and the locking block, the locking rod abuts against the locking block to limit the sliding of the locking block when the locking rod is misaligned with the clearance recess, and the locking rod unlocks the sliding of the locking block when the locking rod is opposite to the clearance recess; the slider spring is used to drive the slider to misalign the clearance recess with the locking rod; the locking spring is used to drive the locking block to abut against the battery cover; and the locking rod spring is used to drive the locking rod to abut against the locking block.

3. The electric connection structure of the electronic padlock according to claim 2, characterized in that: one side of the locking block facing the locking rod is recessed to form a limiting groove, the surface of the locking rod abutting against the locking block is embedded in the limiting groove, and when one end of the locking rod is misaligned with the clearance recess, the other end of the locking rod cannot be detached from the limiting groove; and the limiting groove is a spherical groove.

4. The electric connection structure of the electronic padlock according to claim 2, characterized in that: further comprising a lock beam mounted on the lock body and a lock beam spring used to pop up the lock beam; the lock beam is provided with a locking groove; the lock body is provided with a movable steel ball driven by a cam synchronously rotating with the driven wheel; when the cam rotates, the steel ball is pushed into the locking groove to achieve locking, or the movement of the steel ball is allowed to achieve unlocking of the movement of the lock beam.

5. The electric connection structure of the electronic padlock according to claim 4, characterized in that: The rotation shaft of the cam is arranged through the driving circuit board and is connected with the driven wheel key; the driving circuit board is provided with a first Hall switch and a second Hall switch; the lock beam and the cam are respectively embedded with a first magnet and a second magnet which are inductive cooperation with the first Hall switch and the second Hall switch.

6. The electric connection structure of the electronic padlock of claim 5, wherein: The lock body comprises a lock shell, a base and a bottom cover which are assembled from top to bottom in sequence, and a fixing seat and a cam seat which are installed in the lock shell; the lock shell and the fixing seat and the cam seat therein constitute an upper part of the main body of the electronic padlock, the base and the bottom cover constitute a lower part of the main body of the electronic padlock, the motor, the driven wheel, the sliding block, the lock rod, the sliding block spring, the lock rod spring, the lock beam, the lock beam spring, the steel ball, the cam and the driving circuit board are assembled with the upper part of the main body, the battery cover, the locking block, the locking spring and the main circuit board are assembled with the lower part of the main body, the driving circuit board and the main circuit board are electrically connected through a connecting line; the main circuit board has a Bluetooth function, and the base and the bottom cover are made of plastic.

7. The electric connection structure of the electronic padlock of claim 1, wherein: The main circuit board is configured with an automatic sleep function and is provided with a wake-up button which is electrically connected with the main circuit board; the surface of the lock body is provided with a key which is opposite to the wake-up button.

8. The electric connection structure of the electronic padlock of claim 1, wherein: The circumferential surface of the battery cover is provided with a limiting ring groove and a communication port which communicates the side surface of the limiting ring groove with the inner end surface of the battery cover; the port of the battery compartment is provided with a limiting protrusion which enters the limiting ring groove from the communication port and is movably fitted in the limiting ring groove; the circumferential surface of the battery cover is provided with a rotation stopping groove; the locking block is provided with a rotation stopping convex part which matches the rotation stopping groove and movably abuts against the circumferential surface of the battery cover; the rotation stopping groove is a V-shaped groove; the upper and lower surfaces of the rotation stopping convex part are respectively a plane and an inclined surface, and the plane blocks the movement path of the battery.

9. The electric connection structure of the electronic padlock of claim 1, wherein: The output shaft of the motor is coaxially connected with a driving wheel, and the driving wheel is engaged with the driven wheel.

10. The electric connection structure of the electronic padlock of claim 1, wherein: The surface of the sliding block is provided with a convex column, and the driven wheel is provided with a hook; the hook is movably hooked on the convex column and pulls the sliding block to move along with the rotation of the driven wheel.