Alarm padlock with fingerprint identification function

Abstract

The utility model discloses an alarm padlock with a fingerprint identification function, and relates to the technical field of alarm padlocks. According to the alarm padlock with the fingerprint recognition function, the protective cover covers the fingerprint recognition module to achieve protection, when unlocking is needed, the protective cover is rotated, the notch groove moves to the fingerprint recognition module, accordingly, the fingerprint recognition module is exposed, a limiting plate is popped out through elasticity of a connecting spring, limiting of the notch groove is achieved, the protective cover cannot rotate freely, and unlocking is achieved. In daily life, the notch groove is rotated to the side of the fingerprint recognition module to protect the fingerprint recognition module, the limiting plate is attached to the protective cover to limit the protective cover, dust is prevented from polluting the fingerprint recognition module, and recognition accuracy is guaranteed. Meanwhile, the fingerprint recognition module can be prevented from being collided and damaged through protection of the protection cover, practicability is improved, the sealing performance between the protection cover and the lock body is improved through the sealing rubber strip, and the waterproof effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm padlocks, in particular to an alarm padlock with a fingerprint recognition function. Background Art

[0002] Padlocks are a more common type of lock, and are also the oldest and largest family in the world of locks. With the development of technology, smart locks are becoming more and more popular. Compared with locks with conventional keys, smart locks can be unlocked by passwords, fingerprints, etc., so there is no need to carry keys, and there is no dilemma of being unable to unlock the door after forgetting or losing the keys. Among them, alarm padlocks have an added alarm function to prevent people from picking the lock by violence, etc., which is more secure.

[0003] Patent No. (CN208040087U) A fingerprint recognition smart padlock includes a lock body and a lock hook. A lithium battery is installed in the center of the lock body. A lock hook is arranged at the upper end of the lock body and the two ends of the lock hook slide up and down and insert into the lock body. A motor is installed on the upper side of the lithium battery. A blocking block with a notch is installed at one end of the motor's rotating shaft. The upper side of the motor is located between the two ends of the lock hook and horizontally sliding ball head sliders are installed side by side symmetrically. The ball head of the ball head slider matches the spherical grooves on the inner wall of the two ends of the lock hook. A limited stopper is arranged at the lower end of the ball head slider corresponding to the stopper. A metal partition is installed vertically in the middle of the lock body, and a PCB board with a fingerprint module is installed on one side of the metal partition. The utility model adds a fingerprint recognition function, changes the traditional key or password unlocking method, greatly improves the safety and ease of use of the padlock, and adds a waterproof function for use in a variety of special scenarios;

[0004] Existing alarm padlocks with fingerprint recognition function have added fingerprint recognition function, but padlocks are generally used outdoors, resulting in the fingerprint recognition module being directly exposed to the outside, which is not only easy to absorb dust and affect the accuracy of recognition, but also the padlock is not fixedly installed, so it is easy to damage the fingerprint area during movement and external collision. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an alarm padlock with a fingerprint recognition function, which solves the problem that padlocks are generally used outdoors, resulting in the fingerprint recognition module being directly exposed to the outside, which not only easily absorbs dust and affects the accuracy of recognition, but also the padlock is not fixedly installed, so it is easy to damage the fingerprint area during movement and external collision.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: an alarm padlock with fingerprint recognition function, comprising a lock body, a U-shaped lock rod is arranged at the rear end of the lock body, a groove is provided on the upper end surface of the lock body, a protective cover is arranged on the inner side of the groove, a fingerprint recognition module is arranged on the bottom of the inner side of the groove, the protective cover and the lock body are rotatably connected through a rotating shaft, a notch groove is provided on the side of the surface of the protective cover, the notch groove is designed in a fan-shaped structure, a sealing strip is fixedly installed on the side of the lower end of the protective cover, a limiting ring is arranged on the inner side of the groove, a protective strip is arranged on the inner side of the notch groove, and a limiting component is arranged at the front end of the inner side of the groove;

[0007] An alarm is installed at the lower end of the lock body, and a protective plate is provided on the lower end surface of the alarm. A control circuit board and a power module are provided inside the lock body, and a wireless communication module and an information processing module are provided on the control circuit board.

[0008] Preferably, the length of the notch groove is greater than the outer diameter of the fingerprint recognition module, the protective strip is adapted to the notch groove, and the lower end surface of the protective strip is fitted and connected to the lock body.

[0009] Preferably, a limiting groove is provided on the outer side of the surface of the protective cover, the limiting groove and the limiting ring are slidably connected, and the upper end surface of the protective cover is provided with anti-slip grooves.

[0010] Preferably, the limiting assembly comprises a movable groove, a movable groove is provided at the front end of the inner side of the groove, a limiting plate is slidably connected in the movable groove, and a connecting spring is installed on the inner side of the movable groove.

[0011] Preferably, the movable groove is designed as an arc-shaped structure and is adapted to the side of the notch groove. One end of the limit plate extends to the outside of the movable groove. The other end of the limit plate is movably connected to the lock body through a connecting spring, and the connecting springs are distributed in an array.

[0012] Preferably, the alarm is electrically connected to the control circuit board, the power module, and the fingerprint recognition module, and the outer diameter of the protective plate is larger than the outer diameter of the alarm.

[0013] Beneficial Effects

[0014] The utility model provides an alarm padlock with fingerprint recognition function. Compared with the prior art, it has the following beneficial effects:

[0015] The alarm padlock with fingerprint recognition function is provided with a protective cover, a sealing strip and a limit component, and the protective cover is covered on the fingerprint recognition module to achieve protection. When the lock needs to be unlocked, the protective cover is rotated to move the notch to the fingerprint recognition module, thereby exposing the fingerprint recognition module, and the elasticity of the connecting spring pops out the limit plate to limit the notch. The protective cover cannot rotate freely, which is convenient for unlocking. In daily life, the notch is rotated to the side of the fingerprint recognition module to protect the fingerprint recognition module, and the protective cover is limited by the fit between the limit plate and the protective cover to avoid dust from polluting the fingerprint recognition module, thereby ensuring the accuracy of recognition. At the same time, the protection of the protective cover can prevent the fingerprint recognition module from being damaged by collision, thereby improving practicality. The sealing strip increases the sealing between the protective cover and the lock body, thereby increasing the waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the protective cover of the utility model;

[0019] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 5 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. lock body; 2. U-shaped lock rod; 3. groove; 4. protective cover; 41. limit groove; 5. fingerprint recognition module; 6. rotating shaft; 7. notch groove; 8. sealing strip; 9. limit ring; 10. protective strip; 11. limit assembly; 111. movable groove; 112. limit plate; 113. connecting spring; 12. alarm; 13. protective plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5The utility model provides a technical solution: an alarm padlock with a fingerprint recognition function, comprising a lock body 1, a U-shaped lock rod 2 is arranged at the rear end of the lock body 1, a groove 3 is provided on the upper end surface of the lock body 1, a protective cover 4 is arranged on the inner side of the groove 3, a fingerprint recognition module 5 is arranged on the bottom of the inner side of the groove 3, the protective cover 4 and the lock body 1 are rotatably connected through a rotating shaft 6, a notch groove 7 is provided on the side of the surface of the protective cover 4, the notch groove 7 is designed in a fan-shaped structure, a sealing strip 8 is fixedly installed on the side of the lower end of the protective cover 4, a limiting ring 9 is provided on the inner side of the groove 3, a limiting groove 41 is provided on the outer side of the surface of the protective cover 4, the limiting groove 41 and the limiting ring 9 are slidably connected, the upper end surface of the protective cover 4 is provided with anti-slip patterns, a protective strip 10 is provided on the inner side of the notch groove 7, the length of the notch groove 7 is greater than the outer diameter of the fingerprint recognition module 5, and the protective strip 10 is provided on the inner side of the notch groove 7. The strip 10 and the notch groove 7 are adapted, and the lower end surface of the protective strip 10 is connected to the lock body 1 in a close connection. The protective cover 4 protects the fingerprint recognition module 5 to prevent dust from contaminating the fingerprint recognition module 5, thereby ensuring the accuracy of recognition. At the same time, the protection of the protective cover 4 can prevent the fingerprint recognition module 5 from being damaged by collision, thereby improving the practicality. When unlocking, the protective cover 4 is rotated to move the notch groove 7 to the fingerprint recognition module 5, and the fingerprint recognition module 5 is exposed. The personnel can unlock the lock through the fingerprint recognition module 5. In daily life, the notch groove 7 is rotated to the side of the fingerprint recognition module 5 to protect the fingerprint recognition module 5. When in an activity, the fingerprint recognition module 5 can be cleaned while the protective strip 10 is moving, and the sealing strip 8 is used to increase the sealing between the protective cover 4 and the lock body 1, thereby increasing the waterproof effect.

[0024] A limiting component 11 is provided at the front end of the inner side of the groove 3. The limiting component 11 includes a movable groove 111. A movable groove 111 is provided at the front end of the inner side of the groove 3. A limiting plate 112 is slidably connected in the movable groove 111. A connecting spring 113 is installed on the inner side of the movable groove 111. The movable groove 111 is designed in an arc-shaped structure and is adapted to the side of the notch groove 7. One end of the limiting plate 112 extends to the outer side of the movable groove 111. The other end of the limiting plate 112 is movably connected to the lock body 1 through the connecting spring 113. The connecting springs 113 are distributed in an array. When the protective cover 4 rotates to the fingerprint recognition module 5, the limiting plate 112 is ejected by the elasticity of the connecting spring 113 and enters the notch groove 7 to limit the protective cover 4. When the protective cover 4 rotates, the notch groove 7 moves to the side and is misaligned with the fingerprint recognition module 5. The limiting plate 112 fits the side of the protective cover 4, which can limit the protective cover 4 and prevent the protective cover 4 from deflecting.

[0025] An alarm 12 is installed at the lower end of the lock body 1, and a protective plate 13 is provided on the lower end surface of the alarm 12. A control circuit board and a power module are provided inside the lock body 1, and a wireless communication module and an information processing module are provided on the control circuit board. The alarm 12 is electrically connected to the control circuit board, the power module, and the fingerprint recognition module 5. The outer diameter of the protective plate 13 is larger than the outer diameter of the alarm 12. When the fingerprint recognition module 5 recognizes erroneous information, an alarm can be issued in time to give a warning, and the wireless communication module facilitates the connection between the padlock and the remote end to realize remote monitoring.

[0026] During operation, the fingerprint recognition module 5 is protected by the protective cover 4 to prevent dust from contaminating the fingerprint recognition module 5, thereby ensuring the accuracy of recognition. At the same time, the protection of the protective cover 4 can prevent the fingerprint recognition module 5 from being damaged by collision, thereby improving practicality. When unlocking, the protective cover 4 is rotated to move the notch 7 to the fingerprint recognition module 5 to expose the fingerprint recognition module 5. The elasticity of the connecting spring 113 is used to pop out the limiting plate 112 and enter the notch 7 to limit the protective cover 4. Personnel can unlock the door through the fingerprint recognition module 5. In daily life, the notch 7 is rotated to the side of the fingerprint recognition module 5. , realizing the protection of the fingerprint recognition module 5, and when the protective cover 4 rotates, the notch 7 moves to the side and forms a misalignment with the fingerprint recognition module 5, and the limiting plate 112 fits with the side of the protective cover 4, which can limit the protective cover 4 to prevent the protective cover 4 from deflecting, and when it is active, the fingerprint recognition module 5 can be cleaned during the movement of the protective strip 10, and the sealing strip 8 can increase the sealing between the protective cover 4 and the lock body 1 to increase the waterproof effect, and when the fingerprint recognition module 5 recognizes erroneous information, an alarm can be issued in time to warn, and the wireless communication module facilitates the connection between the padlock and the remote end to realize remote monitoring.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An alarm padlock with fingerprint recognition function, comprising a lock body (1), characterized in that: A U-shaped lock rod (2) is arranged at the rear end of the lock body (1), a groove (3) is provided on the upper end surface of the lock body (1), a protective cover (4) is arranged on the inner side of the groove (3), a fingerprint recognition module (5) is arranged on the bottom of the inner side of the groove (3), the protective cover (4) and the lock body (1) are rotatably connected via a rotating shaft (6), a notch groove (7) is arranged on the side of the surface of the protective cover (4), the notch groove (7) is designed in a fan-shaped structure, a sealing strip (8) is fixedly installed on the side of the lower end of the protective cover (4), a limiting ring (9) is arranged on the inner side of the groove (3), a protective strip (10) is arranged on the inner side of the notch groove (7), and a limiting component (11) is arranged on the front end of the inner side of the groove (3); An alarm (12) is installed at the lower end of the lock body (1), and a protective plate (13) is provided on the lower end surface of the alarm (12). A control circuit board and a power module are provided inside the lock body (1), and a wireless communication module and an information processing module are provided on the control circuit board.

2. The alarm padlock with fingerprint recognition function according to claim 1 is characterized by: The length of the notch groove (7) is greater than the outer diameter of the fingerprint identification module (5), the protection strip (10) is adapted to the notch groove (7), and the lower end surface of the protection strip (10) is fitted and connected to the lock body (1).

3. The alarm padlock with fingerprint recognition function according to claim 1 is characterized by: A limiting groove (41) is provided on the outer side of the surface of the protective cover (4), the limiting groove (41) and the limiting ring (9) are slidably connected, and the upper end surface of the protective cover (4) is provided with anti-slip grooves.

4. The alarm padlock with fingerprint recognition function according to claim 1 is characterized by: The limiting assembly (11) comprises a movable groove (111), the front end of the inner side of the groove (3) is provided with the movable groove (111), a limiting plate (112) is slidably connected in the movable groove (111), and a connecting spring (113) is installed inside the movable groove (111).

5. The alarm padlock with fingerprint recognition function according to claim 4 is characterized by: The movable groove (111) is designed in an arc-shaped structure and is adapted to the side of the notch groove (7); one end of the limit plate (112) extends to the outside of the movable groove (111); the other end of the limit plate (112) is movably connected to the lock body (1) via a connecting spring (113); and the connecting springs (113) are distributed in an array.

6. The alarm padlock with fingerprint recognition function according to claim 1, characterized in that: The alarm (12) is electrically connected to the control circuit board, the power module, and the fingerprint recognition module (5); the outer diameter of the protective plate (13) is larger than the outer diameter of the alarm (12).

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