Padlock

Abstract

The utility model belongs to the technical field of locks, and particularly relates to a padlock which comprises a lock body and an intelligent key, the lock body comprises a shell, a lock beam, a lock cylinder and a barge shaft, the shell is provided with a lock cylinder cavity and a barge shaft cavity which are communicated, a lock hole is formed in the shell, the lock beam is inserted into the lock hole, the lock cylinder is installed in the lock cylinder cavity, and the lock cylinder comprises a motor and a first circuit board. The motor is electrically connected with the first circuit board, the barge shaft is in transmission connection with an output shaft of the motor, the barge shaft has a locking angle used for locking the lock beam in the lock hole and an unlocking angle used for releasing the lock beam, the motor can drive the barge shaft to be switched between the locking angle and the unlocking angle, a first external port is formed in the first circuit board, and a second external port is formed in the second circuit board. The first external connection port is exposed out of the shell, the intelligent key is used for being connected with the first external connection port, the intelligent key is used for sending an unlocking instruction or an unlocking instruction to the first circuit board, and the first circuit board is used for controlling the motor to rotate. The barge shaft is digitally controlled to be switched between the locking angle and the unlocking angle in the whole process, and copying and counterfeiting are not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lockset, especially relates to a padlock. BACKGROUND

[0002] A kind of padlock of prior art, including shell, lock beam and lock cylinder, shell is equipped with the lock hole for the insertion of lock beam, lock cylinder is installed in shell, the inside of lock cylinder is equipped with lock cylinder, the side of lock cylinder away from lock beam is exposed to shell, the side of lock cylinder exposed is equipped with keyhole, lock cylinder and the inner cavity wall of shell are equipped with axle shaft, axle shaft is connected with lock cylinder, lock beam is equipped with the locking structure for being locked in shell between axle shaft and lock beam, when unlocking, key is inserted into keyhole and is rotated, lock cylinder drives axle shaft to rotate, axle shaft is rotated to a certain angle and opens locking structure, to make lock beam unlock.

[0003] The key of the existing padlock is easy to be copied and imitated, and the safety is poor. SUMMARY

[0004] The utility model solves the technical problems that the key of the existing padlock is easy to be copied and imitated, and provides a kind of padlock.

[0005] To solve the above technical problems, the utility model embodiment provides a kind of padlock, including lock body and intelligent key, the lock body includes shell, lock beam, lock cylinder and axle shaft, the shell is equipped with the lock cylinder cavity and axle shaft cavity, the shell is equipped with lock hole, the lock beam is inserted into the lock hole, the lock cylinder is installed in the lock cylinder cavity, the lock cylinder includes motor and first circuit board, the motor is electrically connected with the first circuit board, the axle shaft is drivingly connected with the output shaft of the motor, the axle shaft has the locking angle for locking the lock beam in the lock hole and the unlocking angle for releasing the lock beam, the motor can drive the axle shaft to switch between the locking angle and the unlocking angle;

[0006] The first circuit board is equipped with first external port, and the first external port is exposed to the shell, and the intelligent key is used to be connected with the first external port, and the intelligent key is used to send unlocking instruction or unlocking instruction to the first circuit board, and the first circuit board can control the motor to rotate.

[0007] Optionally, the intelligent key includes key shell, power supply and second circuit board, the power supply and the second circuit board are installed in the key shell, the power supply is connected with the second circuit board, the second circuit board is equipped with second external port, and the second external port is used to be inserted with the first external port, and the second circuit board can receive the instruction emitted by remote control terminal.

[0008] Optionally, the smart key further comprises a fingerprint input disc, one side of the thickness direction of the fingerprint input disc is electrically connected with the second circuit board, and the other side of the thickness direction of the fingerprint input disc is exposed outside the key shell for a user to input fingerprint information.

[0009] Optionally, the lock beam comprises a lock rod inserted into the lock hole, the ball is arranged between the adapter shaft and the lock beam, the outer periphery of the lock rod is provided with a lock groove, and the outer periphery of the adapter shaft is provided with a groove;

[0010] The ball abuts against the outer periphery of the adapter shaft at the locking angle, and the ball abuts against the lock groove when the adapter shaft is at the locking angle;

[0011] The ball abuts against the groove of the adapter shaft at the unlocking angle, and the ball can be separated from the lock groove when the adapter shaft is at the unlocking angle.

[0012] Optionally, the lock rod is provided with a stop ring groove, the stop ring groove is arranged at one end of the lock rod close to the hole bottom of the lock hole, the groove depth of the stop ring groove is smaller than the groove depth of the lock groove, and the stop ring groove is used for stop cooperation with the ball.

[0013] Optionally, the hole bottom of the lock hole is provided with a spring, and the spring is used for driving the lock rod to move away from the spring by elastic force.

[0014] Optionally, the padlock further comprises a limiting mechanism, the limiting mechanism is arranged in the lock cylinder cavity, and the limiting mechanism is used for limiting the rotation angle of the motor.

[0015] Optionally, the limiting mechanism comprises an adapter sleeve and an induction switch, the induction switch is electrically connected with the first circuit board, the adapter sleeve is sleeved on the output shaft of the motor, one side of the adapter sleeve away from the motor is connected with the adapter shaft, the outer periphery of the adapter sleeve is provided with a first pin and a second pin arranged at intervals, the induction switch is located in the interval between the first pin and the second pin, the first pin is used for touching the induction switch when the adapter sleeve rotates with the motor in one direction, the second pin is used for touching the induction switch when the adapter sleeve rotates with the motor in the other direction, and the induction switch can control the motor to be turned off.

[0016] Optionally, one side of the adapter shaft towards the adapter sleeve is provided with a first limiting foot and a second limiting foot, the first limiting foot and the second limiting foot are oppositely arranged, one side of the adapter sleeve towards the adapter shaft is provided with a driving plate, and the driving plate is inserted between the first limiting foot and the second limiting foot.

[0017] Optionally, the limiting mechanism further comprises a first limiting plate, the first limiting plate is arranged between the shaft and the sleeve, the first limiting plate is connected with the shell, the first limiting plate is provided with a first arc-shaped limiting hole and a second arc-shaped limiting hole, the first arc-shaped limiting hole and the second arc-shaped limiting hole are arranged at intervals, the first limiting foot is inserted into the first arc-shaped limiting hole, and the second limiting foot is inserted into the second arc-shaped limiting hole.

[0018] Compared with the prior art, the padlock provided in the embodiment of the utility model, the first circuit board is controlled to rotate the motor by sending the opening and unlocking instructions to the first circuit board through the intelligent key, the motor drives the shaft to rotate, the whole process is digitally controlled to switch the shaft between the locking angle and the unlocking angle, the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the padlock provided in the embodiment of the utility model is shown in the figure.

[0020] Figure 2 The internal structure diagram of the intelligent key in the embodiment of the utility model is shown in the figure. Figure 1

[0021] Figure 3 The A-A sectional view of the lock body in the embodiment of the utility model is shown in the figure. Figure 1

[0022] Figure 4 The internal structure diagram of the lock body in the embodiment of the utility model is shown in the figure. Figure 1 Figure 1

[0023] Figure 5 The internal structure diagram of the lock body in the embodiment of the utility model is shown in the figure. Figure 1 Figure 2

[0024] Figure 6 The assembly diagram of the shaft and the sleeve in the embodiment of the utility model is shown in the figure. Figure 5

[0025] The assembly diagram of the shaft and the limiting plate in the embodiment of the utility model is shown in the figure. Figure 7 Figure 5 The assembly diagram of the sleeve and the stop plate in the embodiment of the utility model is shown in the figure.

[0026] Figure 8 Figure 5

[0027] ​​​​​​​​​The reference signs in the description are as follows: 1, lock body; 2, intelligent key; 3, second circuit board; 4, fingerprint input disc; 5, power supply; 6, second external port; 7, lock beam; 8, long rod section; 9, first lock groove; 10, long lock hole; 11, first ball; 12, short rod section; 13, short lock hole; 14, second lock groove; 15, second ball; 16, shaft; 17, motor; 18, first circuit board; 19, first external port; 20, stop ring groove; 21, spring; 22, shell; 23, lock cylinder cavity; 24, shaft cavity; 25, first groove; 26, second groove; 27, shaft sleeve; 28, first pin; 29, second pin; 30, induction switch; 31, limiting plate; 32, stop plate; 33, first limiting foot; 34, second limiting foot; 35, driving plate; 36, first arc-shaped limiting hole; 37, second arc-shaped limiting hole; 38, first stop step; 39, second stop step; 40, through hole. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0029] As shown in the drawings, Figures 1 to 8 An embodiment of the utility model provides a padlock, which comprises a lock body 1 and an intelligent key 2, the lock body 1 comprises a shell 22, a lock beam 7, a lock cylinder and a shaft 16, the shell 22 is provided with a lock cylinder cavity 23 and a shaft cavity 24 in communication, the shell 22 is provided with a lock hole, the lock beam 7 is inserted into the lock hole, the lock cylinder is installed in the lock cylinder cavity 23, the lock cylinder comprises a motor 17 and a first circuit board 18, the motor 17 is electrically connected with the first circuit board 18, the shaft 16 is in transmission connection with the output shaft of the motor 17, the shaft 16 has a locking angle for locking the lock beam 7 in the lock hole and an unlocking angle for releasing the lock beam 7, and the motor 17 can drive the shaft 16 to switch between the locking angle and the unlocking angle.

[0030] The first circuit board 18 is provided with a first external port 19, the first external port 19 is exposed to the shell 22, the intelligent key 2 is used for being connected with the first external port 19, the intelligent key 2 is used for sending a lock opening instruction or a lock releasing instruction to the first circuit board 18, and the first circuit board 18 is used for controlling the motor 17 to rotate

[0031] Specifically, the lock cylinder includes a lock cylinder shell, the motor 17 and the first circuit board 18 are installed in the lock cylinder shell, the motor 17 is electrically connected with the first circuit board 18, the output shaft of the motor 17 extends out of the lock cylinder shell, the first external port 19 on the first circuit board 18 is exposed to the outside of the shell 22, the smart key 2 that can be carried on the body is inserted on the first external port 19, the first circuit board 18 is controlled to start by sending an electrical signal to the first circuit board 18 through the smart key 2, the motor 17 drives the shaft 16 to rotate when the motor 17 rotates, so as to drive the shaft 16 to rotate and switch between the unlocking angle and the locking angle. By sending the unlocking instruction and the locking instruction to the first circuit board 18 through the smart key 2, the rotation of the motor 17 is controlled by the first circuit board 18, and the motor 17 drives the shaft 16 to rotate to switch the shaft 16 between the locking angle and the unlocking angle, so as to realize the locking and unlocking of the lock beam 7.

[0032] In an embodiment, the smart key 2 includes a key shell, a power supply 5 and a second circuit board 3, the power supply 5 and the second circuit board 3 are installed in the key shell, the power supply 5 is connected with the second circuit board 3, the second circuit board 3 is provided with a second external port 6, the second external port 6 is used for plugging with the first external port 19, and the second circuit board 3 can receive the instruction transmitted by the remote control terminal.

[0033] The second external port 6 can be plugged with the first external port 19, specifically, the first external port 19 is a female head of a Type-c interface, the second external port 6 is a male head of a Type-c interface, and when the second external port 6 is plugged with the first external port 19, the electrical connection and the communication connection between the second circuit board 3 and the first circuit board 18 can be realized. The second circuit board 3 can be remotely connected with the remote control terminal (mobile phone APP) as a signal receiver, the user inputs the correct unlocking password in the mobile phone APP, the mobile phone sends the unlocking signal or the locking signal to the second circuit board 3, and the unlocking password can be replaced through the mobile phone APP, so as to facilitate the unlocking and improve the security.

[0034] In an embodiment, the smart key 2 further includes a fingerprint input disc 4, one side of the thickness direction of the fingerprint input disc 4 is electrically connected with the second circuit board 3, and the other side of the thickness direction of the fingerprint input disc 4 is exposed to the key shell, so as to be used for the user to input the fingerprint information.

[0035] Specifically, the smart key 2 is provided with the fingerprint input disc 4, the user can record the fingerprint information on the fingerprint input disc 4, when unlocking is needed, the user inputs the fingerprint information, the fingerprint input disc 4 transmits the information to the second circuit board 3, and the second circuit board 3 sends the signal to the first circuit board 18, so as to realize the functions, facilitate the unlocking, and improve the range of the application scene of the padlock.

[0036] In an embodiment, the lock beam 7 comprises a lock rod inserted into the lock hole, and the ball is arranged between the shaft 16 and the lock beam 7, and the outer periphery of the lock rod is provided with a lock groove, and the outer periphery of the shaft 16 is provided with a groove.

[0037] The ball is in abutment with the outer periphery of the shaft 16 at the locking angle, and the ball is in abutment with the lock groove when the shaft 16 is at the locking angle. The ball is in abutment with the groove of the shaft 16 at the unlocking angle, and the ball can be separated from the lock groove when the shaft 16 is at the unlocking angle.

[0038] Specifically, the ball comprises a first ball 11 and a second ball 15, the lock beam 7 comprises a long rod section 8 and a short rod section 12, the outer shell 22 is provided with a long lock hole 10 and a short lock hole 13, the long rod section 8 is inserted into the long lock hole 10, the short rod section 12 is inserted into the short lock hole 13, the shaft 16 is arranged between the long rod section 8 and the short rod section 12, the long rod section 8 is provided with a first lock groove 9, the outer periphery of the shaft 16 is provided with a first groove 25, the first ball 11 is arranged between the long rod section 8 and the shaft 16, the short rod section 12 is provided with a second lock groove 14, the outer periphery of the shaft 16 is provided with a second groove 26, and the second ball 15 is arranged between the short rod section 12 and the shaft 16. When the shaft 16 is rotated to the unlocking angle, the first ball 11 will be separated from the first lock groove 9 on the long rod section 8 and enter the first groove 25, the first ball 11 loses the blocking effect on the long rod section 8, so that the long rod section 8 can move in the long lock hole 10, at the same time, the second ball 15 will be separated from the second lock groove 14 on the short rod section 12, the second ball 15 loses the blocking effect on the short rod section 12, so that the short rod section 12 can move in the short lock hole 13. When the lock beam 7 is lifted up, the long rod section 8 moves up in the long lock hole 10, the bottom end of the short rod section 12 is separated from the short lock hole 13, and the unlocking of the padlock is realized.

[0039] When the padlock needs to be locked, the lock beam 7 is pressed down, the long rod section 8 moves down in the long lock hole 10, and the bottom end of the short rod section 12 enters the short lock hole 13, and then the shaft 16 is driven to rotate to the locking angle by the motor 17. In the process of rotation, the first ball 11 will gradually separate from the first groove 25, the second ball 15 will gradually separate from the second groove 26, the outer periphery of the shaft 16 will drive the first ball 11 into the first lock groove 9 and drive the second ball 15 into the second lock groove 14, and the locking of the long rod section 8 and the short rod section 12 is realized. The structure is simple and convenient to design.

[0040] In an embodiment, the lock rod is provided with a blocking ring groove 20, the blocking ring groove 20 is arranged at one end of the lock rod close to the hole bottom of the lock hole, the groove depth of the blocking ring groove 20 is smaller than the groove depth of the lock groove, and the blocking ring groove 20 is used for blocking cooperation with the ball.

[0041] Specifically, the stop ring groove 20 is arranged below the first locking groove 9, the groove depth of the stop ring groove 20 is smaller than the groove depth of the first locking groove 9, when the locking beam 7 is lifted, the long rod segment 8 is moved upward, when the stop ring groove 20 of the long rod segment 8 is moved upward, because the groove depth of the stop ring groove 20 is smaller than the groove depth of the locking groove, the first ball 11 can play a role of stopping the stop ring groove 20, avoiding the long rod segment 8 from being pulled out of the long locking hole 10. Avoiding the long rod segment 8 from being pulled out of the locking hole, improving the safety of the locking beam 7.

[0042] In an embodiment, the bottom of the locking hole is provided with a spring 21, the spring 21 is used to drive the locking rod to move away from the spring 21 by elastic force.

[0043] Specifically, the spring 21 is arranged between the long rod segment 8 and the long locking hole 10, the spring 21 is arranged at the bottom of the long locking hole 10, when the long rod segment 8 is locked, the long rod segment 8 presses the spring 21 downward, so that the spring 21 accumulates elastic potential energy, when the long rod segment 8 loses the locking of the first ball 11, the spring 21 pushes the long rod segment 8 upward in the process of releasing the elastic potential energy, helping the long rod segment 8 to move upward, so that the long rod segment 8 drives the short rod segment 12 to quickly pull out of the short locking hole 13, realizing unlocking.

[0044] In an embodiment, the padlock further comprises a limiting mechanism, the limiting mechanism is arranged in the lock cylinder cavity, the limiting mechanism is used to limit the rotation angle of the motor 17.

[0045] The limiting mechanism comprises a bushing 27 and an induction switch 30, the induction switch 30 is electrically connected with the first circuit board 18, the bushing 27 is sleeved on the output shaft of the motor 17, the side of the bushing 27 away from the motor 17 is connected with the bushing shaft 16, the outer circumferential surface of the bushing 27 is provided with a first pin 28 and a second pin 29 arranged at intervals, the induction switch 30 is located in the interval between the first pin 28 and the second pin 29, the first pin 28 is used to touch the induction switch 30 when the bushing 27 rotates with the motor 17 in a direction, the second pin 29 is used to touch the induction switch 30 when the bushing 27 rotates with the motor 17 in another direction, the induction switch 30 can control the motor 17 to be closed.

[0046] Specifically, the inductive switch 30 is connected with the first circuit board 18, the bushing 27 is sleeved on the output shaft of the motor 17, the bushing 27 is driven to rotate by the motor 17, the bushing 27 is connected with the bushing shaft 16, the bushing 27 drives the bushing shaft 16 to rotate, the first pin 28 and the second pin 29 are arranged at the lower part of the outer periphery of the bushing 27, when the bushing shaft 16 rotates to the unlocking angle in the positive direction, the first pin 28 touches the inductive switch 30, at this time, the inductive switch 30 sends the electrical signal that the bushing shaft 16 reaches the unlocking angle to the first circuit board 18, the first circuit board 18 controls the motor 17 to stop rotating, when the bushing shaft 16 rotates to the locking angle in the reverse direction, the second pin 29 touches the inductive switch 30, at this time, the inductive switch 30 sends the electrical signal that the bushing shaft 16 reaches the locking angle to the first circuit board 18, the first circuit board 18 controls the motor 17 to stop rotating, so as to realize the limiting of the bushing shaft 16, limit the rotation angle of the bushing shaft 16, and avoid the over-limit rotation of the bushing shaft 16.

[0047] In an embodiment, one side of the bushing shaft 16 towards the bushing 27 is provided with a first limiting foot 33 and a second limiting foot 34, the first limiting foot 33 and the second limiting foot 34 are oppositely arranged, one side of the bushing 27 towards the bushing shaft 16 is provided with a driving plate 35, the driving plate 35 is inserted between the first limiting foot 33 and the second limiting foot 34.

[0048] Specifically, the driving plate 35 is inserted into the interval between the first limiting foot 33 and the second limiting foot 34 upwards, the driving plate 35 is in abutting cooperation with the first limiting foot 33 and the second limiting foot 34, when the bushing 27 rotates, the limiting plate 31 exerts force on the first limiting foot 33 and the second limiting foot 34, so as to drive the whole of the bushing shaft 16 to rotate with the first limiting foot 33 and the second limiting foot 34, which realizes the transmission connection between the bushing 27 and the bushing shaft 16, and has simple structure and is convenient to manufacture.

[0049] In an embodiment, the limiting mechanism further comprises a first limiting plate 31, the first limiting plate 31 is arranged between the bushing shaft 16 and the bushing 27, the first limiting plate 31 is connected with the shell 22, the first limiting plate 31 is provided with a first arc-shaped limiting hole 36 and a second arc-shaped limiting hole 37, the first arc-shaped limiting hole 36 and the second arc-shaped limiting hole 37 are arranged at intervals, the first limiting foot 33 is inserted into the first arc-shaped limiting hole 36, and the second limiting foot 34 is inserted into the second arc-shaped limiting hole 37.

[0050] Specifically, the limiting plate 31 is arranged between the shaft 16 and the sleeve 27, the outer periphery of the limiting plate 31 is connected with the inner wall of the shaft cavity 24, the first arc-shaped limiting hole 36 and the second arc-shaped limiting hole 37 are oppositely arranged, the first limiting foot 33 is inserted into the first arc-shaped limiting hole 36, the second limiting foot 34 is inserted into the second arc-shaped limiting hole 37, when the shaft 16 rotates, the first limiting foot 33 rotates in the first arc-shaped limiting hole 36, the first arc-shaped limiting hole 36 limits the rotation range of the first limiting foot 33, the second limiting foot 34 rotates in the second arc-shaped limiting hole 37, the second arc-shaped limiting hole 37 limits the rotation range of the second limiting foot 34, thereby limiting the whole shaft 16.

[0051] In an embodiment, the limiting plate 31 and the sleeve 27 are further provided with a stop plate 32, the stop plate 32 is provided with a through hole 40 for the driving plate 35 to pass through, the inner wall of the through hole 40 is provided with a first stop step 38 and a second stop step 39, the driving plate 35 is in stop cooperation with the first stop step 38 and the second stop step 39, so as to limit the driving plate 35, thereby limiting the motor 17.

[0052] The padlock has the following working principle:

[0053] When unlocking is needed, the shaft 16 rotates forward, when the first pin 28 touches the induction switch 30, the induction switch 30 sends an electric signal to the first circuit board 18 that the shaft 16 reaches the unlocking angle, the first circuit board 18 controls the motor 17 to stop rotating, in this process, the first ball 11 is separated from the first lock groove 9 on the long rod section 8 and enters the first groove 25, the first ball 11 loses the stop effect on the long rod section 8, so that the long rod section 8 can move in the long lock hole 10, at the same time, the second ball 15 is separated from the second lock groove 14 on the short rod section 12, the second ball 15 loses the stop effect on the short rod section 12, so that the short rod section 12 can move in the short lock hole 13, the spring 21 drives the long rod section 8 to move upwards in the long lock hole 10, so that the bottom end of the short rod section 12 is separated from the short lock hole 13, and unlocking is realized.

[0054] When the padlock needs to be locked, the lock beam 7 is pressed down, the long rod section 8 is lowered in the long lock hole 10, the bottom end of the short rod section 12 enters the short lock hole 13, and then the reverse rotation of the driving shaft 16 driven by the motor 17 is rotated, when the second pin 29 touches the induction switch 30, the induction switch 30 sends an electric signal to the first circuit board 18 that the driving shaft 16 reaches the locking angle, the motor 17 is controlled to stop rotating by the first circuit board 18, and in the process, in the process of rotating, the first ball 11 is gradually separated from the first groove 25, the second ball 15 is gradually separated from the second groove 26, the outer periphery of the driving shaft 16 drives the first ball 11 into the first lock slot 9 and the second ball 15 into the second lock slot 14, and the long rod section 8 and the short rod section 12 are locked. Simple structure, easy to design. When the driving shaft 16 is reversely rotated to the locking angle, the second pin 29 touches the induction switch 30, and the induction switch 30 sends an electric signal to the first circuit board 18 that the driving shaft 16 reaches the locking angle, and the motor 17 is controlled to stop rotating by the first circuit board 18.

[0055] Compared with the prior art, the padlock according to the embodiment of the utility model, the first circuit board 18 controls the rotation of the motor 17 by sending the unlocking instruction and the unlocking instruction to the first circuit board 18 through the intelligent key 2, the motor 17 drives the driving shaft 16 to rotate, and the driving shaft 16 is switched between the locking angle and the unlocking angle in the whole process of digital control, so that the padlock is not easy to copy and imitate, and the safety is improved.

[0056] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A padlock, characterized in that The application relates to a lock body (1) and a smart key (2), the lock body (1) comprising a shell (22), a lock beam (7), a lock cylinder and a shaft (16), the shell (22) being provided with a lock cylinder cavity (23) and a shaft cavity (24) in communication, the shell (22) being provided with a lock hole, the lock beam (7) being inserted into the lock hole, the lock cylinder being installed in the lock cylinder cavity (23), the lock cylinder comprising a motor (17) and a first circuit board (18), the motor (17) being electrically connected with the first circuit board (18), the shaft (16) being in transmission connection with an output shaft of the motor (17), the shaft (16) having a locking angle for locking the lock beam (7) in the lock hole and an unlocking angle for releasing the lock beam (7), the motor (17) being capable of driving the shaft (16) to switch between the locking angle and the unlocking angle. The first circuit board (18) is provided with a first external port (19) exposed to the shell (22), the smart key (2) being used for being connected with the first external port (19), the smart key (2) being used for sending an unlocking instruction or an unlocking instruction to the first circuit board (18), and the first circuit board (18) being capable of controlling the motor (17) to rotate.

2. The padlock of claim 1, wherein, The smart key (2) comprises a key shell, a power supply (5) and a second circuit board (3), the power supply (5) and the second circuit board (3) being installed in the key shell, the power supply (5) being connected with the second circuit board (3), the second circuit board (3) being provided with a second external port (6) used for being plugged with the first external port (19), and the second circuit board (3) being capable of receiving an instruction emitted by a remote control terminal.

3. The padlock of claim 2, wherein, The smart key (2) further comprises a fingerprint input disc (4), one side of the thickness direction of the fingerprint input disc (4) being electrically connected with the second circuit board (3), and the other side of the thickness direction of the fingerprint input disc (4) being exposed to the key shell for a user to input fingerprint information.

4. The padlock of claim 3, wherein, Further comprising a ball, the lock beam (7) comprising a lock rod inserted into the lock hole, the ball being arranged between the shaft (16) and the lock beam (7), the lock rod being provided with a lock groove on the outer periphery, and the shaft (16) being provided with a groove on the outer periphery. The ball is in abutment with the outer periphery of the shaft (16) at the locking angle, and the ball is in abutment with the lock groove when the shaft (16) is at the locking angle. The ball is in abutment with the groove of the shaft (16) at the unlocking angle, and the ball can be separated from the lock groove when the shaft (16) is at the unlocking angle.

5. The padlock of claim 4, wherein, The lock rod is provided with a stop ring groove (20), the stop ring groove (20) being arranged at one end of the lock rod close to the hole bottom of the lock hole, the groove depth of the stop ring groove (20) being smaller than the groove depth of the lock groove, and the stop ring groove (20) being used for being stopped with the ball.

6. The padlock of claim 5, wherein, The bottom of the lock hole is provided with a spring (21), which is used for driving the lock rod to move away from the spring (21) by elastic force.

7. The padlock of claim 4, wherein, The padlock further comprises a limiting mechanism arranged in the lock cylinder cavity (23), which is used for limiting the rotation angle of the motor (17).

8. The padlock of claim 7, wherein, The limiting mechanism comprises a bushing (27) and an induction switch (30), the induction switch (30) is electrically connected with the first circuit board (18), the bushing (27) is sleeved on the output shaft of the motor (17), the side of the bushing (27) away from the motor (17) is connected with the shaft (16), the outer circumferential surface of the bushing (27) is provided with a first pin (28) and a second pin (29) arranged at intervals, the induction switch (30) is located in the interval between the first pin (28) and the second pin (29), the first pin (28) is used for touching the induction switch (30) when the bushing (27) rotates with the motor (17) in a direction, the second pin (29) is used for touching the induction switch (30) when the bushing (27) rotates with the motor (17) in another direction, and the induction switch (30) can control the motor (17) to be closed.

9. The padlock of claim 8, wherein, The side of the shaft (16) facing the bushing (27) is provided with a first limiting foot (33) and a second limiting foot (34), the first limiting foot (33) and the second limiting foot (34) are oppositely arranged, the side of the bushing (27) facing the shaft (16) is provided with a driving plate (35), and the driving plate (35) is inserted between the first limiting foot (33) and the second limiting foot (34).

10. The padlock of claim 9, wherein, The limiting mechanism further comprises a first limiting plate (31), the first limiting plate (31) is arranged between the shaft (16) and the bushing (27), the first limiting plate (31) is connected with the shell (22), the first limiting plate (31) is provided with a first arc-shaped limiting hole (36) and a second arc-shaped limiting hole (37), the first arc-shaped limiting hole (36) and the second arc-shaped limiting hole (37) are arranged at intervals, the first limiting foot (33) is inserted in the first arc-shaped limiting hole (36), and the second limiting foot (34) is inserted in the second arc-shaped limiting hole (37).

Images