An intelligent padlock

Abstract

The utility model relates to an intelligent padlock, including the lock body and n type lock hook, n type lock hook has the rotary end and swing end, the rotary end rotatable is inserted in the inside connection in the lock body and can move up and down, swing end activity is embedded in the top of lock body, the lock body includes the casing, the bottom cover fixed in the bottom opening of casing, and the lock cylinder and intelligent control subassembly who locate in the inside cooperation of casing, intelligent control subassembly includes circuit board, with the battery of circuit board electric connection, and locate on the chip and communication module of circuit board and mutual cooperation, the lock cylinder still includes the pressboard of detachable fixed in the one side of core body and cover up the micro motor and locking strip, still be equipped with position detection unit between the pressboard and locking strip, the utility model has the lock state feedback function to improve the convenient degree and reliable degree with obvious, in addition, can monitor the locking state of intelligent padlock in time to effectively enhance the security protection function.

Description

Technical Field

[0001] This utility model relates to an intelligent padlock. Background Technology

[0002] Padlocks are common in daily life. They have a ring-shaped or "I"-shaped metal bar on the lock body that can be fastened together, which is called the "lock bar". The padlock is directly fastened to the lock body through the lock bar to form a closed lock. With the rapid development of wireless communication and smart Internet of Things technology, smart padlocks have appeared on the market in recent years. Smart padlocks are locks that combine traditional padlocks with modern smart technology. They achieve intelligent operation through fingerprint recognition, mobile APP control, anti-loss function and other features.

[0003] Smart padlocks can be remotely unlocked using smartphones and other smart devices with a dedicated app. This means that you don't need to be close to the lock; you can unlock it simply by operating the smart device remotely. In actual operation, the person with unlocking authority is usually separate from the person who actually unlocks the lock. That is, the person with unlocking authority is at the dispatch center and opens the corresponding padlock as needed, while the person who unlocks the lock is often a maintenance worker. Once the padlock is opened, the maintenance worker can open the cabinet door where the padlock is located and inspect the equipment inside the cabinet.

[0004] However, existing smart padlocks lack a locking status feedback function. This means that even authorized personnel cannot know in real-time whether the padlock is truly open after operating the smart device and performing the unlocking action. They can only find out by communicating with the person actually unlocking the padlock who is nearby. Therefore, authorized personnel cannot effectively monitor the padlock's status, resulting in low ease of use and reliability. Furthermore, if the padlock malfunctions or is damaged and left unlocked, authorized personnel cannot immediately detect this, making it impossible to effectively monitor the smart padlock's real-time status. Consequently, its security features are relatively weak and require further improvement. Utility Model Content

[0005] In view of the current state of the prior art, the technical problem to be solved by this utility model is to provide an intelligent padlock with a locking status feedback function to significantly improve the ease of use and reliability, and to monitor the locking status of the intelligent padlock at any time to effectively enhance the security protection function.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: an intelligent padlock, including a lock body and an n-type lock hook, the n-type lock hook having a rotating end and a swinging end; the lock body includes a shell, a bottom cover fixed at the bottom opening of the shell, and a lock cylinder and an intelligent control component disposed inside the shell and cooperating with each other, the intelligent control component including a circuit board, a battery electrically connected to the circuit board, and a chip and a communication module disposed on the circuit board and cooperating with each other; the lock cylinder includes a locking bar arranged laterally and having a lateral movement function and always having an elastic reset tendency towards the rotating end direction, and a micro motor electrically connected to the battery for driving the locking bar to move laterally against its reset direction, characterized in that:

[0007] The lock cylinder also includes a core body, the micro motor and the battery are both fixed inside the core body, the locking bar is horizontally and movably embedded inside one side of the core body and located above the micro motor, and the lock cylinder also includes a detachable pressure plate fixed to one side of the core body and covering the micro motor and the locking bar;

[0008] A position detection unit is also provided between the pressure plate and the locking bar. The position detection unit includes a fan-shaped drive plate that is horizontally and rotatably connected to the locking bar and faces the inside of the pressure plate, a micro switch fixed on the fan-shaped drive plate, and a linear rack that is horizontally fixed on the inner wall of the pressure plate and whose horizontal fixed position can be adjusted. The micro switch is connected to the chip signal and electrically connected to the battery. The moving contact of the micro switch is set vertically upward or downward.

[0009] The arc-shaped drive plate has an arc-shaped toothed surface formed on its arc-shaped outer wall. The arc-shaped toothed surface is set towards the pressure plate, and the toothed surface of the straight rack is set towards the arc-shaped toothed surface and meshes with it.

[0010] Preferably, the linear rack is laterally and movably connected to the inner wall of the pressure plate to enable lateral translation. Correspondingly, a laterally arranged and rotatable adjusting bolt is also connected to one side of the pressure plate, and the threaded end of the adjusting bolt is inserted and screwed into the interior of the adjacent end of the linear rack.

[0011] Preferably, a locking recess is formed on the outer wall of the locking strip facing the pressure plate, the fan-shaped drive plate is horizontally and rotatably connected inside the opening of the locking recess, and the moving contact of the micro switch cooperates with the upper or lower edge of the opening of the locking recess.

[0012] Preferably, the rotating shaft of the micro motor is vertically upward, and a concentrically arranged turntable is fixed on the rotating shaft of the micro motor. Two vertically arranged and diagonally distributed traction columns are fixed on the top of the turntable. A stop block is formed downward on the lower outer wall of the locking bar. Both traction columns are located between the stop block and the rotating end of the n-type locking hook.

[0013] Preferably, the top of the core has vertically distributed blind holes, the rotating end is rotatably inserted into the blind holes and can move along the axial direction of the blind holes, and a guide groove is provided on one side of the outer wall of the core, which is horizontally distributed and communicates with the inside of the blind holes, and the locking strip is horizontally and movably embedded in the guide groove.

[0014] Preferably, a return spring is provided between the end of the locking bar away from the rotating end and the inner wall of the guide groove on the side close to it. One end of the return spring is embedded in the end of the locking bar away from the rotating end, and the other end of the return spring is pressed against the inner wall of the corresponding side of the guide groove so that the locking bar always has the tendency to move laterally in the direction of the rotating end by means of the rebound force of the return spring.

[0015] Preferably, the inner wall of the pressure plate is provided with a transversely distributed limiting groove, the linear rack is transversely and movably connected in the limiting groove, the adjusting bolt is transversely and rotatably inserted between the inner wall of one end of the limiting groove and the outer wall of the pressure plate on the same side, and the arc-shaped outer edge of the fan-shaped drive plate extends into the limiting groove.

[0016] Compared with existing technologies, the advantages of this utility model are as follows: This utility model can accurately and in real time determine whether the padlock has been truly opened through the position detection unit. After operating the smart device and performing the unlocking action, personnel with unlocking authority can quickly grasp the dynamics of the padlock without communicating with the actual person unlocking the padlock who is close to it. This provides a locking status feedback function, significantly improving ease of use and reliability. In addition, if the padlock malfunctions or is damaged and is in an unlocked state, personnel with unlocking authority can also use the position detection unit to immediately grasp the situation and monitor the locking status of the smart padlock at any time, thereby effectively enhancing the security protection function. Attached Figure Description

[0017] Figure 1 This is an exploded top view of the present invention;

[0018] Figure 2 This is an exploded view of one side of the locking bar and position detection unit of this utility model;

[0019] Figure 3 This is an exploded structural view of the other side of the locking bar, position detection unit, and pressure plate of this utility model;

[0020] Figure 4 This is a partially enlarged structural view of the present invention at point A. Detailed Implementation

[0021] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0023] like Figures 1-4 As shown, an intelligent padlock includes a lock body 1 and an n-type lock hook 2. The n-type lock hook 2 has a rotating end 21 and a swing end 22. The rotating end 21 is rotatably inserted into the lock body 1 and can move up and down. The swing end 22 is movably embedded in the top of the lock body 1.

[0024] The lock body 1 includes a housing 11, a bottom cover 12 fixed at the bottom opening of the housing 11, and a lock cylinder and a smart control component disposed inside the housing 11 and cooperating with each other. The smart control component includes a circuit board 3, a battery 6 electrically connected to the circuit board 3, and a chip 4 and a communication module 5 disposed on the circuit board 3 and cooperating with each other. The battery 6 provides power to the chip 4 and the communication module 5 through the circuit board 3. The communication module 5 is used to receive and send NFC signals or Bluetooth signals, and the chip 4 is used to process the NFC signals or Bluetooth signals received and sent by the communication module 5. The above structure and principle are all existing technologies.

[0025] The lock cylinder includes a locking bar 17 that is horizontally arranged and has a lateral movement function and always has an elastic reset tendency in the direction of the rotating end 21, and a micro motor 16 that is electrically connected to the battery 6 to drive the locking bar 17 to move laterally in the opposite direction of its reset. An annular locking groove 21 is provided on the outer wall of the rotating end 21, and one end of the locking bar 17 facing the rotating end 21 cooperates with the annular locking groove 21.

[0026] In the locked state, the end of the locking bar 17 facing the rotating end 21 is inserted into the annular locking groove 21. When unlocking is required, the user operates the matching smart terminal device to send the correct unlocking signal to the communication module 5. After receiving the correct unlocking signal, the communication module 5 sends an unlocking command to the chip 4. After receiving and processing the unlocking command, the chip 4 sends a power-on command to the battery 6. After receiving the power-on command, the battery 6 starts the micro motor 16 to work, thereby driving the locking bar 17 to move laterally so that the end of the locking bar 17 facing the rotating end 21 leaves the annular locking groove 21. This allows the rotating end 21 on the n-type lock hook 2 to move upward until the swing end 22 leaves the lock body 1, thus achieving unlocking. The above principle is also the existing technology.

[0027] The features of this utility model are as follows: the lock cylinder also includes a core body 13, a micro motor 16 and a battery 6 are fixed inside the core body 13, a locking strip 17 is horizontally and movably embedded inside one side of the core body 13 and located above the micro motor 16, and the lock cylinder also includes a detachable pressure plate 18 fixed to one side of the core body 13 and covering the micro motor 16 and the locking strip 17.

[0028] A position detection unit is also provided between the pressure plate 18 and the locking bar 17. The position detection unit includes a sector drive plate 111 that is horizontally and rotatably connected to the locking bar 17 facing the inside of the pressure plate 18, a micro switch 15 fixed on the sector drive plate 111, and a linear rack 113 that is horizontally fixed on the inner wall of the pressure plate 18 and whose horizontal fixed position can be adjusted. The micro switch 15 is signal-connected to the chip 4 and electrically connected to the battery 6. The moving contact of the micro switch 15 is set vertically upward or downward.

[0029] An arc-shaped tooth surface 1111 is formed on the arc-shaped outer wall of the fan-shaped drive plate 111. The arc-shaped tooth surface 1111 is set towards the pressure plate 18. The tooth surface of the straight rack 113 is set towards the arc-shaped tooth surface 1111 and meshes with the arc-shaped tooth surface 1111.

[0030] The linear rack 113 is laterally and movably connected to the inner wall of the pressure plate 18 to enable lateral translation. Correspondingly, a laterally arranged and rotatable adjusting bolt 114 is also connected to one side of the pressure plate 18. The threaded end of the adjusting bolt 114 is inserted into the interior of the adjacent end of the linear rack 113.

[0031] A locking recess 171 is provided on the outer wall of the locking bar 17 facing the pressure plate 18. The fan-shaped drive plate 111 is horizontally and rotatably connected inside the opening of the locking recess 171. The moving contact of the micro switch 15 cooperates with the upper or lower edge of the opening of the locking recess 171.

[0032] The rotating shaft of the micro motor 16 is set vertically upward. A concentrically arranged turntable 19 is also fixed on the rotating shaft of the micro motor 16. Two vertically arranged and diagonally distributed traction columns 110 are also fixed on the top of the turntable 19. A stop block 172 is formed downward on the lower outer wall of the locking bar 17. The two traction columns 110 are both located between the stop block 172 and the rotating end 21 on the n-type locking hook 2.

[0033] The top of the core 13 has vertically distributed blind holes 131. The rotating end 21 is rotatably inserted into the blind hole 131 and can move along the axial direction of the blind hole 131. A guide groove 132 is provided on one side of the outer wall of the core 13, which is horizontally distributed and communicates with the inside of the blind hole 131. The locking strip 17 is horizontally and movably embedded in the guide groove 132.

[0034] A limiting notch 133 is provided on the lower inner wall of the guide groove 132, and the stop block 172 and the two traction columns 110 are movably disposed in the limiting notch 133.

[0035] A return spring 14 is provided between the end of the locking bar 17 away from the rotating end 21 and the inner wall of the guide groove 132. One end of the return spring 14 is embedded in the end of the locking bar 17 away from the rotating end 21, and the other end of the return spring 14 is pressed against the inner wall of the corresponding side of the guide groove 132 so that the locking bar 17 always has the tendency to move laterally in the direction of the rotating end 21 by means of the rebound force of the return spring 14.

[0036] A first slot 134 is provided on the other outer wall of the core 13 between the bottom surface of the guide groove 132 and the outer wall of the core 13. Correspondingly, an opening slot 173 is provided on the outer wall of the locking bar 17 away from the pressure plate 18. A second slot 1101 is provided on the inner wall and outer wall of the housing 11 facing the first cavity 134, which cooperates with the first slot 134.

[0037] The inner wall of the pressure plate 18 also has an arc-shaped groove 182 that cooperates with the outer wall of the micro motor 16. The arc-shaped groove 182 fits against the outer wall of the micro motor 16 to prevent the outer wall of the micro motor 16 from loosening.

[0038] The inner wall of the pressure plate 18 is provided with a horizontally distributed limiting groove 181. The linear rack 113 is horizontally and movably connected in the limiting groove 181. The adjusting bolt 114 is horizontally and rotatably inserted between the inner wall of one end of the limiting groove 181 and the outer wall of the pressure plate 18 on the same side. The arc-shaped outer edge of the fan-shaped drive plate 111 extends into the limiting groove 181 to prevent the fan-shaped drive plate 111 from shifting up and down during rotation.

[0039] Working principle of micro motor 16 driving locking bar 17 to move:

[0040] In the locked state, the axis connecting the two traction pins 110 is parallel to the outer wall of the stop block 172 facing the two traction pins 110. The end of the locking bar 17 near the rotating end 21 is always inserted into the annular locking groove 21 under the rebound force of the return spring 14. When the chip 4 receives and processes the unlocking command, it sends a power-on command to the battery 6. Upon receiving the power-on command, the battery 6 starts the micro motor 16 to rotate its rotating shaft 90 degrees. The axis connecting the two traction pins 110 rotates to a position perpendicular to the outer wall of the stop block 172 facing the two traction pins 110. The traction pin 110 closest to the stop block 172 rotates... During the process, the stop block 172 is forced to move against the reset direction of the locking bar 17, thereby causing the end of the locking bar 17 near the rotating end 21 to leave the annular locking groove 21, thus achieving the purpose of unlocking. During this process, the reset spring 14 is further compressed. When it is necessary to lock again, the rotating shaft of the drive micro motor 16 rotates forward or backward by 90 degrees so that the axis connecting the two traction columns 110 is parallel to the outer wall of the stop block 172 facing the two traction columns 110 again. The rebound force of the reset spring 14 will push the locking bar 17 to move in its reset direction until the end of the locking bar 17 near the rotating end 21 is inserted into the annular locking groove 21 again.

[0041] If the battery 6 is depleted or the lock cylinder malfunctions, the matching mechanical key can be used. It is passed through the second slot 1101 on the housing 11 and the first slot 134 on the core 13 in sequence, and then inserted into the opening slot 173 on the locking bar 17. Then, the mechanical key is moved against the reset direction of the locking bar 17 to drag the locking bar 17 to move, thereby realizing manual unlocking.

[0042] Working principle of the position detection unit:

[0043] When the locking bar 17 moves against its reset direction, the sector drive plate 111 in the position detection unit moves synchronously with the locking bar 17. Since the arc-shaped toothed surface 1111 on the sector drive plate 111 meshes with the toothed surface of the straight rack 113 on the pressure plate 18, the sector drive plate 111 will rotate while moving, thereby driving the micro switch 15 to rotate towards the inside of the locking cavity 171. When the moving contact of the micro switch 15 contacts the upper or lower edge of the opening of the locking cavity 171, the moving contact of the micro switch 15 will be pressed back and begin to enter the inside of the locking cavity 171 and will slide along the upper or lower inner wall of the locking cavity 171 to maintain the retracted state of the moving contact of the micro switch 15. Afterwards, the micro switch 15 sends a signal to the chip 4. After receiving and processing the signal, the chip 4 sends a command to the communication module 5. After receiving the command, the communication module 5 sends a wireless signal to the smart device at the operating end to indicate that locking has been completed. Similarly, when unlocking, the fan-shaped drive plate 111 will rotate in the opposite direction, thereby driving the micro switch 15 to rotate synchronously. When the moving contact of the micro switch 15 leaves the upper or lower edge of the opening of the locking cavity 171, it will automatically reset. At this time, the micro switch 15 will send a signal to the chip 4 again. The chip 4 sends a wireless signal to the smart device at the operating end through the communication module 5 to indicate that unlocking has been completed. In this way, the person using the smart device at the operating end can grasp the status of the padlock in a timely and accurate manner to know whether the padlock is locked or unlocked.

[0044] When assembling the padlock, after the pressure plate 18 is fixed to the core 13, although the arc-shaped toothed surface 1111 on the fan-shaped drive plate 111 meshes with the toothed surface of the straight rack 113 on the pressure plate 18, the initial position of the micro switch 15 is deviated, so it needs to be manually adjusted. During adjustment, use a tool to turn the adjusting bolt 114 to make it rotate, and then drive the straight rack 113 to move slowly along the limiting groove 181 according to the principle of spiral connection. When the straight rack 113 moves, the fan-shaped drive plate 111 will rotate, thereby changing the initial position of the micro switch 15.

[0045] This invention enables real-time and accurate detection of whether a padlock is truly open via a position detection unit. Authorized personnel can quickly grasp the padlock's status without needing to communicate with a person physically close to the padlock after operating the smart device and performing the unlocking action. This provides a locking status feedback function, significantly improving ease of use and reliability. Furthermore, if the padlock malfunctions or is damaged and remains unlocked, authorized personnel can also use the position detection unit to immediately monitor the smart padlock's locking status, effectively enhancing security.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A smart padlock, comprising a lock body and an n-type hook, the n-type hook having a rotating end and a swinging end; the lock body comprising a housing, a bottom cover fixed at the bottom opening of the housing, and a lock cylinder and a smart control component disposed inside the housing and cooperating therewith, the smart control component comprising a circuit board, a battery electrically connected to the circuit board, and a chip and a communication module disposed on the circuit board and cooperating therewith; the lock cylinder comprising a locking bar arranged laterally and having a lateral movement function and always having an elastic reset tendency toward the rotating end, and a micro motor electrically connected to the battery for driving the locking bar to move laterally against its reset direction, characterized in that: The lock cylinder also includes a core body, the micro motor and the battery are both fixed inside the core body, the locking bar is horizontally and movably embedded inside one side of the core body and located above the micro motor, and the lock cylinder also includes a detachable pressure plate fixed to one side of the core body and covering the micro motor and the locking bar; A position detection unit is also provided between the pressure plate and the locking bar. The position detection unit includes a fan-shaped drive plate that is horizontally and rotatably connected to the locking bar and faces the inside of the pressure plate, a micro switch fixed on the fan-shaped drive plate, and a linear rack that is horizontally fixed on the inner wall of the pressure plate and whose horizontal fixed position can be adjusted. The micro switch is connected to the chip signal and electrically connected to the battery. The moving contact of the micro switch is set vertically upward or downward. The arc-shaped drive plate has an arc-shaped toothed surface formed on its arc-shaped outer wall. The arc-shaped toothed surface is set towards the pressure plate, and the toothed surface of the straight rack is set towards the arc-shaped toothed surface and meshes with it.

2. The smart padlock according to claim 1, characterized in that, The linear rack is laterally and movably connected to the inner wall of the pressure plate to enable lateral translation. Correspondingly, a laterally arranged and rotatable adjusting bolt is also connected to one side of the pressure plate, and the threaded end of the adjusting bolt is inserted and screwed into the adjacent end of the linear rack.

3. The smart padlock according to claim 1, characterized in that, The locking bar has a locking cavity on the outer wall facing the pressure plate. The fan-shaped drive plate is horizontally and rotatably connected inside the opening of the locking cavity. The moving contact of the micro switch cooperates with the upper or lower edge of the opening of the locking cavity.

4. The smart padlock according to claim 1, characterized in that, The rotating shaft of the micro motor is vertically upward, and a concentrically arranged turntable is fixed on the rotating shaft of the micro motor. Two vertically arranged and diagonally distributed traction columns are fixed on the top of the turntable. A stop block is formed downward on the lower outer wall of the locking bar. Both traction columns are located between the stop block and the rotating end of the n-type locking hook.

5. A smart padlock according to claim 1, characterized in that, The top of the core has vertically distributed blind holes. The rotating end is rotatably inserted into the blind holes and can move along the axial direction of the blind holes. A guide groove is provided on one outer wall of the core, which is horizontally distributed and communicates with the inside of the blind holes. The locking strip is horizontally and movably embedded in the guide groove.

6. A smart padlock according to claim 1, characterized in that, A return spring is provided between the end of the locking bar away from the rotating end and the inner wall of the guide groove on the side close to it. One end of the return spring is embedded in the end of the locking bar away from the rotating end, and the other end of the return spring is pressed against the inner wall of the corresponding side of the guide groove so that the locking bar always has the tendency to move laterally in the direction of the rotating end by means of the rebound force of the return spring.

7. A smart padlock according to claim 2, characterized in that, The inner wall of the pressure plate is provided with horizontally distributed limiting grooves. The linear rack is horizontally and movably connected in the limiting groove. The adjusting bolt is horizontally and rotatably inserted between the inner wall of one end of the limiting groove and the outer wall of the pressure plate on the same side. The arc-shaped outer edge of the fan-shaped drive plate extends into the limiting groove.

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