An intelligent padlock

Abstract

The utility model discloses an intelligent padlock, include: U type lock beam, left locking piece, right locking piece, drive motor and dial wheel lock group seat cover, U type lock beam both sides are provided with recess, left locking piece, right locking piece can move in horizontal direction, and the outside is provided with locking hole, the end of U type lock beam can be moved and is clamped into locking hole along vertical direction, dial wheel lock group seat cover is set up below left locking piece and right locking piece, and the inside is provided with password bearing, locking limiting plate, and the end of password bearing is provided with password change dial lever and cross bar perpendicularly, and the side of locking limiting plate is provided with L type rod. This lock set is through setting drive motor, and the user can select suitable unlocking mode according to the need, under the state of fingerprint unlocking, need when password dial disc input correct password to modify the password, avoid other people to unlock or lock to appear the failure, improve the reliability and security of lock's use time.

Description

Technical Field

[0001] This utility model relates to the field of smart lock technology, and in particular to a smart padlock. Background Technology

[0002] Most existing padlocks are pure structural U-shaped shank padlocks, which require carrying a key or remembering the dial code, making them inconvenient to use in many situations.

[0003] Furthermore, current products that combine combination dial locks and electronic fingerprint locks allow users to change the combination dial lock's password after unlocking with a fingerprint, even without needing to enter the correct combination dial password. However, the changed password may not function properly, rendering the lock unusable when the power is off. Alternatively, the password may be altered by someone else, resulting in a password that is not the one the user intended to set, posing a security risk. Utility Model Content

[0004] Therefore, it is necessary to propose a smart padlock to address the inconvenience of using combination locks and the problem that the password can be changed without entering the original password after using fingerprint unlocking.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A smart padlock includes: U-shaped locking beam with grooves on both sides; The left and right locking plates are movable in the horizontal direction and have locking holes on the outer side. The end of the U-shaped locking beam can be moved vertically and inserted into the locking hole. The left and right locking plates are movably embedded in the groove. The left locking plate has a bent part in the middle. A dial lock assembly cover is located below the left and right locking plates. Inside, there is a combination bearing and a locking limit plate. A combination change lever and a crossbar are vertically mounted at the end of the combination bearing. An L-shaped rod is mounted on the side of the locking limit plate. The combination change lever extends outside the dial lock assembly cover. The crossbar can axially offset from or pass through the L-shaped rod. The combination bearing is rotatable, causing the crossbar and the combination change lever to rotate synchronously. A through hole is provided on the locking limit plate, and a combination dial is mounted on the combination bearing, allowing the combination dial to pass through the through hole.

[0006] In some embodiments, a drive motor is also included, the output end of which is connected to the left locking piece and the right locking piece, and is capable of driving the left locking piece and the right locking piece to move outward and disengage from the groove; In some embodiments, a top cover for the dial lock assembly is also included, the top cover for the dial lock assembly being disposed on the dial lock assembly seat cover.

[0007] In some embodiments, a locking beam push block and a locking beam spring are also included, with the reset spring located at the bottom of the locking beam push block.

[0008] In some embodiments, a left push block and a right push block are further provided on the bent portion. The end of the left push block abuts against the left locking piece, and the end of the right push block abuts against the right locking piece. The left push block and the right push block are engaged in the horizontal direction and can slide against each other.

[0009] In some embodiments, a left push block and a right push block are further included, and a locking plate return spring is provided behind the left push block and the right push block. The locking plate return spring is used to press the left push block and the right push block towards the middle.

[0010] In some embodiments, a manual unlocking key is also included. The end of the manual unlocking key is wedge-shaped. The left push block and the right push block are provided with inclined surfaces and form pressing holes. The manual unlocking key can move vertically to insert into the pressing holes and squeeze the left locking piece and the right locking piece to move outward and disengage from the groove.

[0011] In some embodiments, the left push block and the right push block are provided with a locking gap, the locking limit plate is provided with a locking limit piece, and a limit piece reset spring is provided under the locking limit plate. The limit piece reset spring pushes the locking limit piece to movably extend into the locking gap to restrict the movement of the left push block and the right push block.

[0012] In some embodiments, the drive motor is provided with an eccentric wheel, and the eccentric wheel is connected to the left locking plate and the right locking plate.

[0013] In some embodiments, the right locking piece has an opening, the end of the left locking piece is located beside the opening, and the eccentric wheel passes through the opening to act on the left and right locking pieces.

[0014] The fingerprint unlocking method proposed in this utility model can improve the convenience of use; after using fingerprint unlocking, in the unlocked state, the correct dial unlocking password must be entered to change the password, which can prevent others from unlocking the lock or the lock from malfunctioning, thereby improving the reliability and security of the lock. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] in: Figure 1 This is a schematic diagram of the overall three-dimensional structure of an intelligent padlock according to an embodiment of the present utility model; Figure 2 This is a three-dimensional structural diagram of the unlocking state of an intelligent padlock according to an embodiment of this utility model; Figure 3 This is a three-dimensional structural diagram of the locked state of an intelligent padlock according to an embodiment of this utility model; Figure 4 This is an exploded view of an intelligent padlock according to an embodiment of this utility model; Figure 5 This is an exploded view of an intelligent padlock dial lock assembly according to an embodiment of the present invention; Figure 6 This is a three-dimensional structural diagram of an intelligent padlock for inputting incorrect passwords, as described in an embodiment of this utility model. Figure 7 This is a side view of an intelligent padlock for inputting an incorrect password, as described in an embodiment of this utility model. Figure 8 This is a three-dimensional structural diagram of a smart padlock for inputting the correct password, as described in an embodiment of this utility model. Figure 9 This is a side view of a smart padlock with a correct password input, as described in an embodiment of this utility model. Figure 10 This is a schematic diagram illustrating the working principle of a smart padlock locking limit plate according to an embodiment of this utility model; Figure 11 This is a partially exploded view of an intelligent padlock according to an embodiment of this utility model.

[0017] Figure Identification 1. U-shaped lock beam; 11. Groove; 21. Left locking piece; 211. Bend; 22. Right locking piece; 221. Opening; 23. Locking hole; 24. Manual unlocking button; 25. Locking piece return spring; 26. Protruding post; 3. Dial lock assembly cover; 31. Password bearing; 311. Password change lever; 312. Crossbar; 313. Password dial; 314. Bearing spring; 32. Locking limit plate; 321. Through hole; 322. Locking limit piece; 323. Limit piece return spring; 33. Slide plate; 4. Drive motor; 41. Eccentric wheel; 42. Fingerprint input plate; 51. Lock beam push block; 52. Lock beam spring; 61. Left push block; 62. Right push block; 7. Metal shell; 8. Plastic shell. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of this utility model.

[0019] To address the inconvenience of using existing U-shaped padlocks, which require carrying a key or remembering the dial code, and the problem of being able to change the password without entering the correct password while the lock is unlocked, a smart padlock is proposed.

[0020] The following will be combined with the appendix Figure 1 To be continued Figure 11 This invention provides a detailed description of an intelligent padlock provided in an embodiment of the present invention.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , Figure 1 This is a schematic diagram of the overall three-dimensional structure of an intelligent padlock according to an embodiment of this utility model; Figure 2 This is a three-dimensional structural diagram of the unlocking state of an intelligent padlock according to an embodiment of this utility model; Figure 3 This is a three-dimensional structural diagram of the locked state of an intelligent padlock according to an embodiment of this utility model; Figure 4 This is an exploded view of an intelligent padlock according to an embodiment of this utility model; Figure 5 This is an exploded view of an intelligent padlock dial lock assembly according to an embodiment of this utility model.

[0022] A smart padlock includes: U-shaped locking beam 1, with grooves 11 on both sides; The left locking piece 21 and the right locking piece 22 are movable in the horizontal direction and have a locking hole 23 on the outer side. The end of the U-shaped locking beam 1 can be moved in the vertical direction and inserted into the locking hole 23. The left locking piece 21 and the right locking piece 22 are movably embedded in the groove 11. The left locking piece 21 has a bent part 211 in the middle. The dial lock assembly cover 3 is located below the left locking plate 21 and the right locking plate 22. It contains a combination bearing 31 and a locking limit plate 32. The end of the combination bearing 31 is vertically equipped with a combination change lever 311 and a crossbar 312. An L-shaped rod 321 is provided on the side of the locking limit plate 32. The combination change lever 311 extends outside the dial lock assembly cover 3. The crossbar 312 can axially offset from or pass through the L-shaped rod 321. The combination bearing 31 can rotate, causing the crossbar 312 and the combination change lever 311 to rotate synchronously. The locking limit plate 32 has a through hole 321, and the combination bearing 311 has a combination dial 313 that can pass through the through hole 321.

[0023] Specifically, most existing padlocks are pure structural U-shaped shank padlocks, which require carrying a key or remembering the dial code, making them inconvenient to use in many situations.

[0024] Furthermore, in response to the issue that existing padlocks can change the password without entering the correct dial unlock code when using fingerprint unlocking, which often results in the changed password not being the one the user intended to set, this lock improves the internal structure. The user must enter the correct dial unlock code to make the crossbar 312 and L-shaped bar 321 align and move axially through each other before a new password can be set.

[0025] The operating surface of the keypad 313 is also provided with a sliding plate 43. The sliding plate 43 can slide away from the keypad 313 or cover the keypad 313. During operation, the sliding plate 43 is slid to the side. After operation, the sliding plate 43 is slid back to its original position, which serves to protect the keypad 313.

[0026] When the L-shaped rod 321 and the crossbar 312 are engaged, the manual combination bearing 31 can be moved axially by manually moving it. After the combination bearing 31 moves, the combination can be modified. At the other end of the combination bearing 31, a bearing spring 414 is provided. When the combination bearing 31 lever is moved axially, the bearing spring 414 is compressed. After the combination is modified, the bearing spring 414 springs the combination bearing 31 back to its original position.

[0027] Outside the metal casing 7, there is a plastic casing 8, which serves a protective function, reduces contact with dirt, and reduces wear on the metal parts of the lock body.

[0028] This device offers two unlocking methods: manual unlocking using the 313 keypad and fingerprint unlocking. These two methods can be used simultaneously for convenient unlocking.

[0029] The locking limit plate 32 is equipped with a locking limit piece 322. When the password is entered incorrectly, the L-shaped rod 321 and the cross rod 312 do not match, resulting in misalignment and obstruction, and the password bearing 31 cannot move in the axial direction. When the password is entered correctly, the L-shaped rod 321 and the crossbar 312 engage, and the password bearing 31 can move in the axial direction.

[0030] Beneficial benefits: This lock offers two parallel unlocking methods—fingerprint and dial key—allowing users to choose the method that best suits their needs, increasing convenience. When using fingerprint unlocking, the correct dial key password must be entered before the password can be changed, ensuring that the modified password can unlock the lock successfully, thus improving reliability and security.

[0031] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, Figure 6 This is a three-dimensional structural diagram of an intelligent padlock for inputting incorrect passwords, as described in an embodiment of this utility model. Figure 7 This is a side view of an intelligent padlock for inputting an incorrect password, as described in an embodiment of this utility model. Figure 8 This is a three-dimensional structural diagram of a smart padlock for inputting the correct password, as described in an embodiment of this utility model. Figure 9 This is a side view of a smart padlock with a correct password input, as described in an embodiment of this utility model.

[0032] In one embodiment, a drive motor 4 is also included. The output end of the drive motor 4 is connected to the left locking piece 21 and the right locking piece 22, and can drive the left locking piece 21 and the right locking piece 22 to move outward and disengage from the groove 11.

[0033] Specifically, the drive motor 4 unlocks the fingerprint sensor 42: when a finger touches the fingerprint sensor 42, the drive motor 4 rotates, and the eccentric wheel 41 drives the left locking piece 21 and the right locking piece 22 to move outward, disengaging from the groove 11, thus unlocking the fingerprint sensor. Locking via drive motor 4: When a finger touches the fingerprint recognition plate 42, drive motor 4 rotates in the opposite direction, and eccentric wheel 41 drives the left locking piece 21 and right locking piece 22 to move inward and engage in groove 11, thereby locking the device.

[0034] Beneficial effects: In fingerprint unlock mode, after entering the correct password, the drive motor 4 unlocks the door, making it more convenient to use.

[0035] In one embodiment, the system further includes a dial lock assembly top cover 43, which is disposed on the dial lock assembly seat cover 3.

[0036] Specifically, the top cover 43 and the base cover 3 of the dial lock assembly surround and fix the dial lock assembly 44, allowing the dial lock assembly 44 to operate within the housing.

[0037] In one embodiment, the device further includes a locking beam push block 51 and a locking beam spring 52, wherein the locking beam spring 52 is located at the bottom of the locking beam push block 51.

[0038] Specifically, the locking beam push block 51 and the locking beam spring 52 are disposed in the lock body. When locking, the U-shaped locking beam 1 is inserted into the left locking piece 21 and the right locking piece 22. The end of the U-shaped locking beam 1 presses against the locking beam push block 51, and the locking beam push block 51 compresses the locking beam spring 52, so that the left locking piece 21 and the right locking piece 22 are engaged in the groove 11, thus completing the locking.

[0039] In one embodiment, a left push block 61 and a right push block 62 are further provided on the bent portion 211. The end of the left push block 61 abuts against the left locking piece 21, and the end of the right push block 62 abuts against the right locking piece 22. The left push block 61 and the right push block 62 are engaged in the horizontal direction and can slide against each other.

[0040] In one embodiment, a left push block 61 and a right push block 62 are further included. A locking plate return spring 25 is provided behind the left push block 61 and the right push block 62. The locking plate return spring 25 is used to press the left push block 61 and the right push block 62 toward the middle.

[0041] Specifically, the left push block 61 and the right push block 62 are engaged with each other and can slide in the horizontal direction. The left locking piece 21 and the right locking piece 22 are provided with protrusions 26 on their sides. The locking piece return spring 25 is sleeved on the protrusions 26 and can push the left push block 61 and the right push block 62 inward, so that the left locking piece 21 and the right locking piece 22 can move to both sides to unlock.

[0042] For example, when the manual unlock button 24 is pressed manually, it moves vertically, pressing the left push block 61 and the right push block 62 to the sides. The left push block 61 then presses the left locking piece 21 to the left, and the right push block 62 presses the right locking piece 22 to the right, thus unlocking the device. When the battery is low and fingerprint unlocking is not possible, a dial key is used to unlock the device, increasing reliability.

[0043] In one embodiment, a manual unlocking key 24 is also included. The end of the manual unlocking key 24 is wedge-shaped. The left push block 61 and the right push block 62 are provided with inclined surfaces and form pressing holes, which can move vertically and squeeze the left locking piece 21 and the right locking piece 22 to move outward and disengage from the groove 11.

[0044] Specifically, after entering the correct password into the combination lock, pressing the manual unlock button 24 causes the left locking piece 21 and the right locking piece 22 to move outward and disengage from the groove 11, thus unlocking the lock.

[0045] A beneficial effect is that when no fingerprint has been registered or the fingerprint lock's battery is low, it cannot be unlocked using a fingerprint lock. In this case, using a combination lock to unlock the lock helps improve the lock's reliability.

[0046] Please see Figure 9 , Figure 10 and Figure 11 , Figure 10 This is a schematic diagram illustrating the working principle of a smart padlock locking limit plate according to an embodiment of this utility model; Figure 11 This is a partially exploded view of an intelligent padlock according to an embodiment of this utility model.

[0047] In one embodiment, the left push block 61 and the right push block 62 are provided with a locking space, the locking limiting plate 32 is provided with a locking limiting piece 322, and the locking limiting plate 32 is provided with a limiting piece reset spring 323. The limiting piece reset spring 323 pushes the locking limiting piece 322 to move into the locking space to restrict the movement of the left push block 61 and the right push block 62.

[0048] Specifically, the limit plate return spring 323 is used to lift the locking limit plate 32 upward, so that the locking limit plate 32 maintains a clockwise rotation trend. The locking limit plate 32 is connected to the password bearing 31 and can rotate around the password bearing 31. For example, when the correct password is output, the locking limit plate 32 rotates counterclockwise around the password bearing 31. The locking limit plate 32 drives the locking limit piece 322 to rotate counterclockwise along the password bearing 31, so that the L-shaped rod 321 and the crossbar 312 match, and the password bearing 31 can move axially.

[0049] Beneficial effects: After using fingerprint unlocking, the password can only be changed when the correct dial unlocking password is entered. Users can set the password to their own desired unlocking password as needed, preventing others from changing the password at will or changing the password after fingerprint unlocking without entering the dial unlocking password, which would result in the inability to unlock the lock, thus enhancing the security of the lock.

[0050] In one embodiment, the drive motor 4 is provided with an eccentric wheel 41, which is connected to the left locking piece 21 and the right locking piece 22.

[0051] Specifically, the left locking plate 21 has an opening 221, and the output end of the drive motor 4 has an eccentric wheel 41 that extends into the opening 221 of the left locking plate 21. At the bottom of the drive motor 4 is the fingerprint recognition plate 42.

[0052] For example, when the drive motor 4 needs to be driven to unlock, the fingerprint is pressed on the fingerprint recognition plate 42 to start the drive motor 4. The drive motor 4 drives the eccentric wheel 41 to move the left locking piece 21 and the right locking piece 22 to the sides and open from the groove 11 to unlock. When the drive motor 4 needs to be driven to lock, the drive motor 4 rotates in the opposite direction to drive the eccentric wheel 41 in the opposite direction to move the left locking piece 21 and the right locking piece 22 inward and engage in the groove 11 to lock.

[0053] Beneficial effects: Fingerprint unlocking improves the convenience of using U-locks.

[0054] In one embodiment, the right locking piece 22 is provided with an opening 221, the end of the left locking piece 21 is located beside the opening 221, and the eccentric wheel 41 passes through the opening 221 to act on the left locking piece 21 and the right locking piece 22.

[0055] Specifically, when the drive motor 4 rotates, the eccentric wheel 41 rotates in the opening 221 of the right locking piece 22, which pushes the right locking piece and the left locking piece 21 to both sides, so that the left locking piece 21 and the right locking piece 22 move to both sides, disengage from the groove 11, and realize the unlocking function.

[0056] Full operation process: ① Manual locking: Insert the U-shaped locking beam 1 into the lock hole. The left locking piece 21 and the right locking piece 22 are pressed inward. When the groove 11 reaches the position of the left locking piece 21 and the right locking piece 22, the locking piece spring inserts the left locking piece 21 and the right locking piece 22 into the groove 11 to achieve locking. ② Manual unlocking: When the keypad 313 is turned and the correct keypad is entered, the compression limit locking plate return spring 25 is activated, causing the locking limit plate 322 to leave the locking space. The horizontal movement restriction of the left locking plate 21 and the right locking plate 22 is released. Pressing the manual unlocking key 24 causes the wedge-shaped inclined surface on the manual unlocking key 24 to press against the left push block 61 and the right push block 62, further pushing the left locking plate 21 and the right locking plate 22 to move outward and disengage from the groove 11, thus unlocking the device. ③ Drive motor 4 unlocks. When a finger touches the fingerprint recognition plate 42, drive motor 4 rotates. Eccentric wheel 41 drives left locking piece 21 and right locking piece 22 to move outward, disengaging from groove 11, thus unlocking. ④ When the finger touches the fingerprint recognition plate 42, the drive motor 4 rotates in the opposite direction. The eccentric wheel 41 drives the left locking piece 21 and the right locking piece 22 to move inward and engage with the groove 11, thus locking the device.

[0057] ⑤ When using fingerprint unlocking, if you need to change the password, you must first enter the correct dial unlocking password, the locking limit plate 32 compresses the locking spring, causing the L-shaped rod 321 to rotate and match the crossbar 312. Manually push the password change lever 311 to move along the direction of the password bearing 31 to change the password.

[0058] Beneficial effects: Fingerprint unlocking offers portability. With both fingerprint and password unlocking methods available, users can choose the method that best suits their needs, ensuring convenience and reliability. When using fingerprint unlocking, a correct dial password is required to change the password. This feature expands the lock's application scenarios. For example, in locations requiring multiple users, everyone registers their fingerprints for fingerprint unlocking. However, the dial password is only known to a designated administrator, meaning only the administrator has the authority to change the password. Others do not have this authority and cannot change the password, thus improving the lock's security and reliability.

[0059] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Under the concept of this utility model, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of this utility model as described above. For the sake of brevity, they are not provided in detail. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A smart padlock, characterized in that, include: U-shaped locking beam with grooves on both sides; The left and right locking plates are movable in the horizontal direction and have locking holes on the outer side. The end of the U-shaped locking beam can be moved vertically and inserted into the locking hole. The left and right locking plates are movably embedded in the groove. The left locking plate has a bent part in the middle. A dial lock assembly cover is located below the left and right locking plates. Inside, there is a combination bearing and a locking limit plate. A combination change lever and a crossbar are vertically mounted at the end of the combination bearing. An L-shaped rod is mounted on the side of the locking limit plate. The combination change lever extends outside the dial lock assembly cover. The crossbar can axially offset from or pass through the L-shaped rod. The combination bearing can rotate and drive the crossbar and the combination change lever to rotate synchronously. A through hole is provided on the locking limit plate, and a combination dial is mounted on the combination bearing, allowing the combination dial to pass through the through hole.

2. The smart padlock according to claim 1, characterized in that, It also includes a drive motor, the output end of which is connected to the left locking plate and the right locking plate, and is capable of driving the left locking plate and the right locking plate to move outward and disengage from the groove.

3. The smart padlock according to claim 1, characterized in that, It also includes a top cover for the dial lock assembly, which is disposed on the base cover of the dial lock assembly.

4. The smart padlock according to claim 1, characterized in that, It also includes a locking beam push block and a locking beam spring, with the locking beam spring located at the bottom of the locking beam push block.

5. A smart padlock according to claim 1, characterized in that, It also includes a left push block and a right push block, which are disposed in the bent portion. The end of the left push block abuts against the left locking piece, and the end of the right push block abuts against the right locking piece. The left push block and the right push block are engaged in the horizontal direction and can slide against each other.

6. A smart padlock according to claim 5, characterized in that, A locking plate return spring is provided behind the left push block and the right push block, and the locking plate return spring is used to press the left push block and the right push block towards the middle.

7. A smart padlock according to claim 5, characterized in that, It also includes a manual unlocking key, the end of which is wedge-shaped. The left push block and the right push block are provided with inclined surfaces and form pressing holes. The manual unlocking key can move vertically to insert into the pressing holes and squeeze the left locking piece and the right locking piece to move outward and disengage from the groove.

8. A smart padlock according to claim 7, characterized in that, The left push block and the right push block are provided with a locking gap. The locking limit plate is provided with a locking limit piece. A limit piece reset spring is provided under the locking limit plate. The limit piece reset spring pushes the locking limit piece to extend movably into the locking gap to restrict the movement of the left push block and the right push block.

9. A smart padlock according to claim 2, characterized in that, An eccentric wheel is provided on the drive motor, and the eccentric wheel is connected to the left locking plate and the right locking plate.

10. A smart padlock according to claim 9, characterized in that, The right locking piece has an opening, the end of the left locking piece is located beside the opening, and the eccentric wheel passes through the opening, acting on the left locking piece and the right locking piece.

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