An Internet of Things smart lock

Abstract

The present invention provides an Internet of Things smart lock, comprising a lock shell, a lock core arranged in the lock shell, an insert rod and a locker for cooperating with the lock core, a channel arranged in the lock shell, a plurality of balls arranged in the channel, and the balls located at both ends of the channel respectively contact the arc groove on the insert rod and the lock core, and the other end of the insert rod extends and inserts into the locker. The present invention uses electronic key authorization to control the rotary motor to control the rotation of the swing arm, and then the second rotating part can be rotated, further improving security; the present invention uses a magnetic rod to grasp the unlocking record and the unlocking status in real time, thereby increasing the security of the lock and ensuring whether the staff has really unlocked the lock; the second unlocking method is realized by the linkage rod, the drive motor, and the mobile shell, and the remote authorization circuit board controls the action of the drive motor, thereby driving the linkage rod to rotate, and the second unlocking method is realized by the mutual cooperation of the linkage rod and the mobile shell.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to an Internet of Things smart lock. Background Art

[0002] In order to improve the anti-theft performance of locks, locks using both electromagnetic and mechanical dual control have appeared in the prior art. However, the electromagnetic control and mechanical control of the above locks can only be used separately, and the anti-theft performance has not been significantly improved. Moreover, their structures are too complicated, the reliability is low, and the installation and use are relatively inconvenient.

[0003] Patent document CN201610043462.0 discloses an electronic cabinet lock and its control method. The patent utilizes the characteristics of a self-holding electromagnet, which, in conjunction with an unlocking element (a card in the document) in a mechanical unlocking mechanism, achieves the electronic lock's automatic unlocking function, allowing it to be opened automatically daily and only unlocked by a key when the lock malfunctions. However, the self-holding electromagnet's core (a bearing in the document) directly interlocks with the unlocking element, resulting in an unreasonable structural design and insufficient anti-pry performance.

[0004] In addition, existing mechanical locks cannot monitor unlocking conditions, while electronic locks are relatively expensive. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides an Internet of Things smart lock, which is not only highly secure but also has the function of monitoring the unlocking status.

[0006] The technical solution of the present invention is: an Internet of Things smart lock, including a lock shell, a lock core arranged in the lock shell, and a rod and a locker for cooperating with the lock core, a channel is provided in the lock shell, a plurality of balls are provided in the channel, and one of the balls located at both ends of the channel contacts the arc-shaped groove on the rod, and the other contacts the lock core, and the other end of the rod extends and is inserted into the locker.

[0007] Preferably, the lock core includes a lock core housing, and a first rotating member, a second rotating member, a third rotating member, a rotating motor, and a swing arm arranged in the lock core housing. The lower end of the first rotating member is engaged with the second rotating member, and the first rotating member can drive the second rotating member to rotate during rotation.

[0008] The lower end of the second rotating member is engaged with the third rotating member, and the second rotating member can drive the third rotating member to rotate during the rotation process;

[0009] A pin is provided on the inner side wall of the first rotating member, and the pin cooperates with the key to drive the first rotating member to rotate;

[0010] A first circuit board is provided in the second rotating member, the first circuit board is electrically connected to the rotating motor, and the rotating motor passes downward through the second rotating member and is connected to the swing arm at the lower end of the second rotating member;

[0011] A stopper for cooperating with the swing arm is provided on the inner side of the third rotating member, a connecting seat is provided at the lower end of the third rotating member, the connecting seat is engaged with a movable housing, the movable housing cover is provided on the outer side of the third rotating member, and the movable housing can rotate with the third rotating member, and the movable housing can also move on the connecting seat;

[0012] The third rotating member and the movable housing are both elliptical structures. Different positions of the elliptical movable housing contact the ball, thereby controlling the movement of the ball in the channel, and further controlling the ball to press against the arc groove of the insertion rod or to move away from the arc groove of the insertion rod;

[0013] Two ejector pins are welded on the first circuit board. The two ejector pins pass through the first rotating member upwards and partially expose the first rotating member to contact the key.

[0014] Preferably, the first rotating member is a circular structure, and a slot for inserting a key is provided on the first rotating member, a boss is provided in the slot, the ejector pin passes upward through the boss and contacts the key, and the two ejector pins serve as positive and negative poles respectively; when the key contacts the two ejector pins, the key energizes the first circuit board, and after the first circuit board is energized, it controls the movement of the rotating motor, thereby controlling the rotation of the swing arm, so that the swing arm is away from the block of the third rotating member to prevent the block from blocking the swing arm.

[0015] Preferably, the lower end of the first rotating member is symmetrically provided with two slots for cooperating with the second rotating member.

[0016] Preferably, the second rotating member is a disc-shaped structure, and the upper end of the second rotating member is further provided with two protrusions for cooperating with the slots of the first rotating member, and the protrusions are clamped in the corresponding slots.

[0017] Preferably, the outer side wall of the second rotating member is further provided with a stepped arcuate rotating groove for cooperating with the third rotating member, and the third rotating member is also provided with a corresponding stepped arcuate rotating groove.

[0018] Preferably, the swing arm is arranged in a groove at the lower end of the second rotating member, and the second rotating member at both ends of the groove is further provided with notches for the swing arm to swing.

[0019] Preferably, a vertical groove is further provided on the inner side wall of the lock core housing in the vertical direction, a limiting shaft is provided in the vertical groove, and a U-shaped groove for accommodating the limiting shaft is further provided on the side wall of the third rotating member, and an arcuate groove for cooperating with the limiting shaft is provided on the outer side wall of the second rotating member. In the initial state, the limiting shaft is located in the vertical groove and the U-shaped groove of the lock core housing. At this time, the third rotating member is limited to the lock core housing due to the action of the limiting shaft, and the third rotating member cannot rotate. During the rotation process of the second rotating member, when the second rotating member rotates to the point where the arcuate groove is aligned with the vertical groove and the U-shaped groove, the limiting shaft moves into the arcuate groove, thereby driving the third rotating member to rotate during the rotation process of the second rotating member.

[0020] Preferably, a second circuit board is provided in the lock housing, the first circuit board is electrically connected to the first magnetic induction sensor, the second circuit board is electrically connected to the second magnetic induction sensor, corresponding third magnetic induction sensors are also provided on both sides of the insertion rod, and the third magnetic induction sensor is electrically connected to the circuit board, and the second circuit board is also electrically connected to the fourth magnetic induction sensor.

[0021] Preferably, the lower end of the elliptical structure moving shell is provided with a slide groove for cooperating with the connecting seat, the connecting seat is arranged in the slide groove, and the connecting seat can move in the slide groove. During the rotation of the third moving part, the connecting seat is driven to rotate, thereby driving the moving shell to rotate. Since the moving shell is an elliptical structure, when the smaller diameter side of the elliptical structure moving shell contacts the ball, the ball moves toward the moving shell, thereby causing the ball to disengage from the arc-shaped groove of the insertion rod, so that the insertion rod can be plugged in and out.

[0022] Preferably, a second unlocking mechanism is further provided on the outside of the third moving part, and the second unlocking mechanism includes a linkage part provided on the third moving part, and the linkage part is rotatably connected to a linkage rod having an arc-shaped concave surface, and the other end of the linkage rod is connected to a drive motor, and the drive motor is electrically connected to the second circuit board; the drive motor drives the linkage rod to rotate on the linkage part, so that the arc-shaped concave surface of the linkage part faces the moving shell, so that the moving shell moves toward the direction of the linkage rod groove through the mutual cooperation between the connecting seat and the slide groove, so that the ball moves toward the moving shell, so that the ball disengages from the arc-shaped groove of the insertion rod, so that the insertion rod can be plugged in and out.

[0023] The beneficial effects of the present invention are:

[0024] 1. The present invention has a simple structure and strong practicality. The present invention uses electronic key authorization to control the rotary motor to control the swing arm to rotate, and then to rotate the second rotating member, further improving safety;

[0025] 2. The present invention uses the first rotating member to drive the second rotating member to rotate, and the second rotating member to drive the third rotating member to rotate, thereby increasing the safety of the lock through multiple linkages;

[0026] 3. The present invention uses a magnetic rod to monitor unlocking records and unlocking status in real time, thereby increasing the security of the lock and ensuring whether the staff has actually unlocked the lock;

[0027] 4. The present invention links the housing and the third rotating member via a limiting shaft, thereby increasing the safety.

[0028] 5. The present invention realizes the second unlocking method through the linkage rod, the drive motor and the movable housing. The remote authorization circuit board controls the movement of the drive motor, thereby driving the linkage rod to rotate. The linkage rod and the movable housing cooperate with each other to realize the second unlocking method. In the first unlocking method, since the linkage rod blocks the movable housing, the movable housing can only rotate with the third rotating member and cannot move. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the lock of the present invention;

[0030] Figure 2 This is a schematic structural diagram of the bottom surface of the lock of the present invention;

[0031] Figure 3 This is a structural diagram of the hidden lock housing of the present invention;

[0032] Figure 4 A schematic structural diagram of the present invention that hides the second circuit board;

[0033] Figure 5 This is one of the schematic diagrams of the internal structure of the lock of the present invention;

[0034] Figure 6 This is the second schematic diagram of the internal structure of the lock of the present invention;

[0035] Figure 7 It is a structural schematic diagram of the lock core of the present invention;

[0036] Figure 8 Schematic diagram of the structure of the first rotating member of the present invention;

[0037] Figure 9 This is a schematic diagram of the structure of the present invention after the first rotating member is hidden;

[0038] Figure 10 is a schematic structural diagram of the second rotating member of the present invention;

[0039] Figure 11 This is a schematic diagram of the structure of the present invention after the second rotating member is hidden;

[0040] Figure 12 is a schematic structural diagram of the third rotating member of the present invention;

[0041] Figure 13 Schematic diagram of the structure of the second unlocking mechanism of the present invention;

[0042] Figure 14 It is a structural schematic diagram of the mobile housing of the present invention;

[0043] In the figure, 1-lock housing, 2-lock cylinder, 3-insertion rod, 4-locking device,

[0044] 11-channel, 12-ball;

[0045] 20-lock cylinder housing, 21-first rotating member, 22-second rotating member, 23-third rotating member, 24-rotating motor, 25-swing arm, 26-first circuit board, 27-thimble, 28-pin shaft, 29-limiting shaft,

[0046] 211-slot, 212-boss, 213-card slot;

[0047] 221-bump, 222-stepped groove, 223-arc groove, 224-groove;

[0048] 231-U-shaped groove, 232-stopper, 233-connecting seat, 234-movable housing, 235-slide groove;

[0049] 241- linkage member, 242- linkage rod, 243- driving motor, 244- arc-shaped concave surface;

[0050] 251 - second circuit board, 252 - first magnetic sensor, 253 - second magnetic sensor, 254 - third magnetic sensor, 255 - fourth magnetic sensor;

[0051] 31-arc groove; DETAILED DESCRIPTION

[0052] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings:

[0053] like Figure 1-7 As shown, this embodiment provides an Internet of Things smart lock, including a lock shell 1, a lock core 2 arranged in the lock shell 1, and a rod 3 and a locker 4 for cooperating with the lock core 2. A channel 11 is provided in the lock shell 1, and a plurality of balls 12 are provided in the channel 11. One of the balls 12 located at both ends of the channel 11 contacts the arc-shaped groove 31 on the rod 3, and the other ball 12 contacts the lock core 2. The other end of the rod 3 extends and is inserted into the locker 4. In this embodiment, the locker 4 is mounted on the door frame.

[0054] In this embodiment, the lock core 2 is rotated by the key, so that the ball 12 contacts different surfaces of the lock core 2, thereby controlling the ball 12 to clamp the insertion rod 3 or release the insertion rod 3. Then, the insertion rod 3 can be pulled out to realize the unlocking action.

[0055] As preferred in this embodiment, Figure 7-13 As shown, the lock core 2 includes a lock core housing 20, and a first rotating member 21, a second rotating member 22, a third rotating member 23, a rotating motor 24, and a swing arm 25 arranged in the lock core housing 20. The lower end of the first rotating member 21 is engaged with the second rotating member 22, and the first rotating member 21 can drive the second rotating member 22 to rotate during rotation;

[0056] The lower end of the second rotating member 22 is engaged with the third rotating member 23 , and the second rotating member 22 can drive the third rotating member 23 to rotate during its rotation.

[0057] A pin 28 is provided on the inner side wall of the first rotating member 21 . The pin 28 cooperates with the key to drive the first rotating member 21 to rotate.

[0058] In this embodiment, a first circuit board 26 is provided in the second rotating member 22 , and the first circuit board 26 is electrically connected to the rotating motor 24 . The rotating motor 24 passes downward through the second rotating member 22 and is connected to the swing arm 25 at the lower end of the second rotating member 22 .

[0059] A stopper 232 for cooperating with the swing arm 25 is provided on the inner side of the third rotating member 23. The rotating motor 24 controls the swing arm 25 to rotate, so that the swing arm 25 is away from the stopper 232, thereby ensuring that the second rotating member 22 can rotate under the action of the first rotating member 21.

[0060] A connecting seat 233 is provided at the lower end of the third rotating member 23, and the connecting seat 233 is engaged with a movable shell 234. The movable shell 234 is covered on the outside of the third rotating member 23, and the movable shell 234 can rotate with the third rotating member 23. The movable shell 234 can also move on the connecting seat 233.

[0061] The third rotating member 23 and the movable shell 234 are both elliptical structures. By controlling different surfaces of the movable shell 234 of the elliptical structure to contact the ball 12, the ball 12 is controlled to move in the channel 11, and then the ball 12 is controlled to press against the arc groove 31 of the insertion rod 3 or stay away from the arc groove 31 of the insertion rod 3.

[0062] In this embodiment, two ejector pins 27 are welded on the first circuit board 26 . The two ejector pins 27 pass upward through the first rotating member 21 and partially expose the first rotating member 21 to contact the key.

[0063] As preferred in this embodiment, Figure 8 As shown, the first rotating member 21 is a circular structure, and a slot 211 for inserting a key is provided on the first rotating member 21. A boss 212 is further provided in the slot 211. The ejector pin 27 passes upward through the boss 212 and contacts the key. The two ejector pins 27 serve as positive and negative poles respectively. When the key contacts the two ejector pins 27, the key energizes the first circuit board 26. After the first circuit board 26 is energized, it controls the rotation motor 24 to move, thereby controlling the rotation of the swing arm 25, so that the swing arm 25 is away from the block 232 of the third rotating member 23 to prevent the block 232 from blocking the swing arm 25.

[0064] As preferred in this embodiment, Figure 8 As shown, the lower end of the first rotating member 21 is symmetrically provided with two slots 213 for cooperating with the second rotating member 22 .

[0065] As preferred in this embodiment, Figure 10 As shown, the second rotating member 22 is a disc-shaped structure, and the upper end of the second rotating member 22 is further provided with two protrusions 211 for cooperating with the slots 213 of the first rotating member 21 , and the protrusions 211 are clamped in the corresponding slots 213 .

[0066] As preferred in this embodiment, Figure 10 As shown, the outer side wall of the second rotating member 22 is further provided with a stepped arcuate rotating groove 222 for cooperating with the third rotating member 23 , and the third rotating member 23 is also provided with a corresponding stepped arcuate rotating groove 222 .

[0067] As a preferred embodiment of the present invention, the swing arm 25 is disposed in a groove 224 at the lower end of the second rotating member 22 , and notches for the swing arm 25 to swing are further disposed on the second rotating member 22 at both ends of the groove 224 .

[0068] As a preferred embodiment of the present invention, a vertical groove is further provided on the inner side wall of the lock core housing 20 along the vertical direction, a limiting shaft 29 is provided in the vertical groove, and a U-shaped groove 231 for accommodating the limiting shaft 29 is further provided on the side wall of the third rotating member 23. An arcuate groove 223 for cooperating with the limiting shaft 29 is provided on the outer side wall of the second rotating member 22. In the initial state, the limiting shaft 29 is located in the vertical groove and the U-shaped groove 231 of the lock core housing 20. At this time, the third rotating member 23 is limited to the lock core housing 20 due to the action of the limiting shaft 29, and the third rotating member 23 cannot rotate. During the rotation process of the second rotating member 22, when the second rotating member 22 rotates to the point where the arcuate groove 223 is aligned with the vertical groove and the U-shaped groove 231, the limiting shaft 29 moves into the arcuate groove 223, thereby driving the third rotating member 23 to rotate during the rotation process of the second rotating member 22.

[0069] As a preferred embodiment of this invention, a second circuit board 251 is further provided in the lock housing 1 .

[0070] As preferred in this embodiment, Figure 14 As shown, the lower end of the elliptical structure moving shell 234 is provided with a slide groove 235 for cooperating with the connecting seat 233. The connecting seat 233 is arranged in the slide groove 235, and the connecting seat 233 can move in the slide groove 235. During the rotation of the third rotating member 23, the connecting seat 233 is driven to rotate, thereby driving the moving shell 234 to rotate. Since the moving shell 234 is an elliptical structure, when the smaller diameter side of the elliptical structure moving shell 234 contacts the ball 12, the ball 12 moves toward the moving shell 234, thereby causing the ball 12 to disengage from the arc groove 31 of the insertion rod 3, so that the insertion rod 3 can be inserted and removed.

[0071] As preferred in this embodiment, Figure 12 As shown, a second unlocking mechanism is also provided on the outside of the third rotating member 23, and the second unlocking mechanism includes a linkage member 241 provided on the third rotating member 23, and the linkage member 241 is rotatably connected to a linkage rod 242 having an arc-shaped concave surface 244, and the other end of the linkage rod 242 is connected to a driving motor 243, and the driving motor 243 is electrically connected to the second circuit board 251; the driving motor 243 drives the linkage rod 242 to rotate on the linkage member 241, so that the arc-shaped concave surface 244 of the linkage member 241 is directed toward the movable housing 234, so that the movable housing 234 moves toward the groove 224 of the linkage rod 242 through the mutual cooperation between the connecting seat 233 and the slide groove 235, so that the ball 12 moves toward the movable housing 234, so that the ball 12 is separated from the arc-shaped groove 31 of the insertion rod 3, so that the insertion rod 3 can be inserted and removed.

[0072] As a preferred embodiment of this invention, the first circuit board 26 is electrically connected to a first magnetic induction sensor 252, the second circuit board 251 is electrically connected to a second magnetic induction sensor 253, and corresponding third magnetic induction sensors 254 are also provided on both sides of the insertion rod 3, and the third magnetic induction sensor 254 is electrically connected to the second circuit board 251, and the second circuit board 251 is also electrically connected to a fourth magnetic induction sensor 255, and the fourth magnetic induction sensor 255 is provided on the lock housing 1 opposite to the lock 4, and passes through the lock housing 1 to cooperate with the lock 4; wherein, the plugging and unplugging information of the smart key is accurately fed back by the first magnetic induction sensor 252, and the extension and retraction information of the insertion rod 3 is fed back by the third magnetic induction sensor 254, thereby confirming the extension and retraction signal of the insertion rod 3.

[0073] When the user is unable to unlock the door through the slot 211 and the first circuit board 26, the user can also authorize the second circuit board 251 to be powered by inserting the key into the jack on one side of the lock shell 1. After power is supplied, the second circuit board 251 controls the movement of the drive motor 243 and the linkage rod 242, and accurately feeds back the plugging and unplugging information of the smart key through the second magnetic sensor 253. At the same time, the information of the extension and retraction of the insertion rod 3 is fed back through the third magnetic sensor 254. Since the fourth magnetic sensor 255 is arranged on the lock shell 1 opposite the lock 4, when the door is opened, since the lock 4 is installed on the door frame, the lock 4 will be away from the four magnetic sensors 255, thereby confirming whether the door is actually opened and closed through the four magnetic sensors 255.

[0074] It should also be noted that the lock described in this embodiment can also be unlocked by scanning the code to obtain the unlocking code. This embodiment realizes the sending of the unlocking code through the intranet, and can also realize real-time transmission of unlocking status, time and other information through the intranet.

[0075] The above embodiments and descriptions are only for explaining the principles and best embodiments of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, which shall fall within the scope of the invention to be protected.

Claims

1. An IoT smart lock, characterized by: The invention comprises a lock shell (1), a lock core (2) arranged in the lock shell (1), an insertion rod (3) and a locker (4) for cooperating with the lock core (2); a channel (11) is arranged in the lock shell (1), a plurality of balls (12) are arranged in the channel (11), and the balls (12) located at both ends of the channel (11) are respectively in contact with the arc-shaped groove (31) on the insertion rod (3) and the lock core (2); the other end of the insertion rod (3) extends and is inserted into the locker (4), and the locker (4) is arranged on the door frame; the lock core (2) is rotated by a key, so that the balls (12) contact different surfaces of the lock core (2), and then the balls (12) are controlled to press against the insertion rod (3) or release the insertion rod (3), thereby realizing the insertion and removal of the insertion rod (3); The lock core (2) includes a lock core housing (20), a first rotating member (21), a second rotating member (22), a third rotating member (23), a rotating motor (24), and a swing arm (25) arranged in the lock core housing (20); the lower end of the first rotating member (21) is engaged with the second rotating member (22), and the first rotating member (21) can drive the second rotating member (22) to rotate during rotation; The lower end of the second rotating member (22) is engaged with the third rotating member (23), and the second rotating member (22) can drive the third rotating member (23) to rotate during the rotation process; A pin shaft (28) is provided on the inner side wall of the first rotating member (21), and the pin shaft (28) cooperates with the key to drive the first rotating member (21) to rotate; A first circuit board (26) is provided in the second rotating member (22), the first circuit board (26) is electrically connected to the rotating motor (24), and the rotating motor (24) passes downward through the second rotating member (22) and is connected to the swing arm (25) at the lower end of the second rotating member (22); A stopper (232) for cooperating with the swing arm (25) is provided on the inner side of the third rotating member (23); the rotating motor (24) controls the swing arm (25) to rotate, thereby making the swing arm (25) move away from the stopper (232), thereby ensuring that the second rotating member (22) can rotate under the action of the first rotating member (21); A connecting seat (233) is provided at the lower end of the third rotating member (23), and the connecting seat (233) is engaged with a movable housing (234). The movable housing (234) is covered on the outside of the third rotating member (23), and the movable housing (234) can rotate along with the third rotating member (23). The movable housing (234) can also move on the connecting seat (233); The third rotating member (23) and the movable housing (234) are both elliptical structures. By controlling different surfaces of the movable housing (234) of the elliptical structure to contact the ball (12), the ball (12) is controlled to move in the channel (11), and the ball (12) is further controlled to press against the arc groove (31) of the insertion rod (3) or to move away from the arc groove (31) of the insertion rod (3); Two ejector pins (27) are further welded on the first circuit board (26), and the two ejector pins (27) pass through the first rotating member (21) upwards and partially expose the first rotating member (21) to contact the key; A second circuit board (251) is further provided in the lock housing (1), a first magnetic induction sensor (252) is electrically connected to the first circuit board (26), a second magnetic induction sensor (253) is electrically connected to the second circuit board (251), corresponding third magnetic induction sensors (254) are further provided on both sides of the insertion rod (3), and the third magnetic induction sensors (254) are electrically connected to the second circuit board (251), and a fourth magnetic induction sensor (255) is further electrically connected to the second circuit board (251), and the fourth magnetic induction sensor (255) is provided on the lock housing (1) facing the lock (4), and passes through the lock housing (1) to cooperate with the lock (4); A second unlocking mechanism is further provided on the outer side of the third rotating member (23), and the second unlocking mechanism includes a linkage member (241) provided on the third rotating member (23), the linkage member (241) is rotatably connected to a linkage rod (242) having an arc-shaped concave surface (244), the other end of the linkage rod (242) is connected to a drive motor (243), and the drive motor (243) is electrically connected to the second circuit board (251); the drive motor (243) drives the linkage rod (242) to rotate. ) rotates on the linkage member (241), so that the arc-shaped concave surface (244) of the linkage member (241) faces the movable housing (234), so that the movable housing (234) moves toward the groove 224 of the linkage rod (242) through the mutual cooperation between the connecting seat (233) and the slide groove (235), so that the ball (12) moves toward the movable housing (234), so that the ball (12) is separated from the arc-shaped groove (31) of the insertion rod (3), so that the insertion rod (3) can be inserted and removed.

2. The IoT smart lock according to claim 1, characterized in that: The first rotating member (21) is a circular structure, and a slot (211) for inserting a key is provided on the first rotating member (21), a boss (212) is provided in the slot (211), the ejector pin (27) passes through the boss (212) upward and contacts the key, and the two ejector pins (27) serve as positive and negative electrodes respectively; when the key contacts the two ejector pins (27), the key energizes the first circuit board (26), and after the first circuit board (26) is energized, it controls the rotation motor (24) to move, thereby controlling the swing arm (25) to rotate, so that the swing arm (25) is away from the block (232) of the third rotating member (23), so as to prevent the block (232) from blocking the swing arm (25).

3. The IoT smart lock according to claim 2, characterized in that: The lower end of the first rotating member (21) is symmetrically provided with two clamping grooves (213) for matching with the second rotating member (22).

4. The IoT smart lock according to claim 1, characterized in that: The second rotating member (22) is a disc-shaped structure, and the upper end of the second rotating member (22) is further provided with two protrusions (221) for matching with the slots (213) of the first rotating member (21), and the protrusions (221) are clamped in the corresponding slots (213).

5. The IoT smart lock according to claim 4, characterized in that: The outer side wall of the second rotating member (22) is also provided with a stepped arcuate rotating groove (222) for matching with the third rotating member (23), and the third rotating member (23) is also provided with a corresponding stepped arcuate rotating groove (222).

6. The IoT smart lock according to claim 1, characterized in that: The swing arm (25) is arranged in the groove (224) at the lower end of the second rotating member (22), and the second rotating member (22) at both ends of the groove (224) is also provided with notches for the swing arm (25) to swing.

7. The IoT smart lock according to claim 1, characterized in that: The inner side wall of the lock core housing (20) is further provided with a vertical groove in the vertical direction, a limiting shaft (29) is arranged in the vertical groove, and a U-shaped groove (231) for accommodating the limiting shaft (29) is further provided on the side wall of the third rotating member (23), and an arc groove (223) for cooperating with the limiting shaft (29) is provided on the outer side wall of the second rotating member (22). In the initial state, the limiting shaft (29) is located between the vertical groove and the U-shaped groove ( 231), at this time, due to the action of the limiting shaft (29), the third rotating member (23) is limited on the lock core housing (20), and the third rotating member (23) cannot rotate. During the rotation of the second rotating member (22), when the second rotating member (22) rotates to the point where the arc groove (223) is aligned with the vertical groove and the U-shaped groove (231), the limiting shaft (29) moves into the arc groove (223), thereby driving the third rotating member (23) to rotate during the rotation of the second rotating member (22).

8. The IoT smart lock according to claim 1, characterized in that: The lower end of the elliptical movable housing (234) is provided with a slide groove (235) for cooperating with the connecting seat (233). The connecting seat (233) is arranged in the slide groove (235), and the connecting seat (233) can move in the slide groove (235). During the rotation of the third rotating member (23), the connecting seat (233) is driven to rotate, thereby driving the movable housing (234) to rotate. Since the movable housing (234) is an elliptical structure, when the smaller diameter side of the elliptical movable housing (234) contacts the ball (12), the ball (12) moves toward the movable housing (234), thereby causing the ball (12) to disengage from the arc groove (31) of the insertion rod (3), thereby allowing the insertion rod (3) to be inserted and removed.

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