CN211923865U

CN211923865U - Fingerprint padlock

Info

Publication number: CN211923865U
Application number: CN201922166324.3U
Authority: CN
Inventors: 江海
Original assignee: Shenzhen Intelligent Motion Small Beauty Technology Co ltd
Current assignee: Shenzhen Intelligent Motion Small Beauty Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-11-13
Anticipated expiration: 2029-12-05

Abstract

The utility model provides a fingerprint padlock, which comprises a housin, fingerprint module, PCBA board and locking mechanical system, locking mechanical system includes drive assembly, the latch hook, the cylindricality spring, left spring bolt, right spring bolt, a pot head of latch hook is equipped with the cylindricality spring, the symmetry formula is provided with two draw-in grooves on the latch hook, two draw-in grooves are respectively on the medial surface of latch hook opening part, and two draw-in grooves are on the coplanar, left spring bolt and right spring bolt symmetry formula set up the both sides at drive assembly, drive assembly drives the relative motion of left spring bolt and right spring bolt simultaneously, and be provided with the spring between left spring bolt and the right spring bolt, left spring bolt and right spring bolt and draw-in groove looks adaptation, and left spring bolt and right spring bolt are spacing simultaneously or break. This fingerprint padlock simple structure, it is small, utilize the fingerprint to unblank, the convenient easy operation of switching lock has avoided carrying the key or remembering the trouble of password, and adopts the structure setting of two spring bolts, and the security is high.

Description

Fingerprint padlock

Technical Field

The utility model relates to a tool to lock field especially relates to a fingerprint padlock.

Background

Padlocks are the oldest and bulky families in the world of locks, and other locks are said to be derived from padlocks and other doors.

There is disclosed in the prior art a combination padlock (application No.: 201680006438.8) comprising: a combination locking assembly operable between a locked configuration and an unlocked configuration; a first housing component that is an upper housing component; and a second housing part connected to the first housing part and being a lower housing part, the second housing part being movable relative to the first housing part when the combination locking assembly is in the unlocked configuration, the second housing part having an upper surface facing the first housing part, wherein the combination padlock is arranged such that: the combination locking assembly enters a combination setting mode by movement of the second housing part axially away from the first housing part; and the combination padlock is arranged such that: rotation of the second housing part relative to the first housing part exposes at least a portion of the upper surface of the second housing part and holds the second housing part at its axial displacement relative to the first housing part, whereby the combination locking assembly is held in the combination setting mode.

The padlock in the market is generally a mechanical padlock unlocked by a key or a mechanical password, and the traditional mechanical password padlock is generally only provided with a 3-bit password, so that the number of password bits is small, the password is easy to crack and the safety is poor; conventional mechanical padlocks using keys must carry the key, which typically requires violent opening when the key is lost.

Disclosure of Invention

To the weak point that exists among the above-mentioned technique, the utility model provides a fingerprint padlock, this fingerprint padlock simple structure utilizes the fingerprint to unblank, and easy operation has avoided carrying the key or remembering the trouble of password.

To achieve the above object, the present invention is implemented as follows:

a fingerprint padlock is characterized by comprising a shell, a fingerprint module, a PCBA board and a locking mechanism, wherein the fingerprint module, the PCBA board and the locking mechanism are all arranged in the shell, the fingerprint module and the locking mechanism are all electrically connected with the PCBA board, a touch screen port is arranged on the shell, and the touch screen port is matched with the fingerprint module; the locking mechanism comprises a driving assembly, a lock hook, a cylindrical spring, a left lock tongue, a right lock tongue and a spring, wherein the cylindrical spring is sleeved at one end of the lock hook, two clamping grooves are symmetrically formed in the lock hook and are respectively arranged on the inner side surface of the opening of the lock hook, the two clamping grooves are formed in the same plane, the left lock tongue and the right lock tongue are symmetrically arranged on two sides of the driving assembly, the driving assembly simultaneously drives the left lock tongue and the right lock tongue to move relatively, the spring is arranged between the left lock tongue and the right lock tongue, the left lock tongue and the right lock tongue are matched with the clamping grooves, and the left lock tongue and the right lock tongue are simultaneously limited or separated from the clamping grooves.

The fingerprint module belongs to the prior art, the fingerprint module is connected with a PCBA board, after the fingerprint of the fingerprint module is set, a touch screen opening fingerprint sensing area on the shell is touched by fingers, the fingerprint module sends fingerprint identification information to the PCBA board, an unlocking signal is sent to the driving component by the PCBA board, unlocking operation is controlled, when the fingerprint padlock is in a locked state, two ends of the lock hook are fixed in the shell, one ends of the left lock tongue and the right lock tongue are respectively limited in the corresponding clamping grooves, and the lock hook is tightly buckled in the shell; when the lock needs to be unlocked, after the fingerprint identification is successful, the PCBA board sends a signal to the driving assembly, the driving assembly simultaneously drives the left spring bolt and the right spring bolt to move inwards, and when the left spring bolt and the right spring bolt are completely separated from the clamping groove of the lock hook, the lock hook can automatically pop out under the action of the cylindrical spring at the bottom to form unlocking; when the lock hook is inserted back to the shell, the left lock tongue and the right lock tongue are respectively clamped into the clamping groove of the lock hook under the action of the spring, and locking operation is completed.

Further, left side spring bolt and right spring bolt all include joint portion and support groove, joint portion and support groove link up mutually, drive assembly sets up in the cavity that the support groove of left spring bolt and right spring bolt encloses and closes, just be provided with the spring groove in the joint portion, the one end of spring is fixed in left spring bolt and/or right spring bolt inslot, and the other end of spring is fixed on the lateral wall in the support groove of right spring bolt and/or left spring bolt.

Further, drive assembly includes motor, action wheel and struts the piece, motor and action wheel drive are connected, strut the fixed setting on the action wheel of piece, just the length of the long limit of piece and minor face is inequality, strut the piece and support and hold on the inside wall in the support groove of left spring bolt and right spring bolt, and left spring bolt and right spring bolt use strut the piece as the central symmetry formula setting. When the short edge of the opening piece is abutted against the left lock tongue and the right lock tongue, the distance between the two ends of the left lock tongue and the right lock tongue is farthest, and the left lock tongue and the right lock tongue are limited in the clamping groove; when the motor rotates, the long edge of the opening piece is abutted to the left spring bolt and the right spring bolt, the left spring bolt and the right spring bolt move inwards, the distance between the two ends of the left spring bolt and the right spring bolt is the shortest, and when the left spring bolt and the right spring bolt are completely separated from the clamping groove, the locking hook can automatically pop out under the action of the cylindrical spring at the bottom to form unlocking.

Further, drive assembly still includes limit switch, limit switch and PCBA board electricity are connected, limit switch sets up a side at the action wheel, the side of action wheel is provided with two joint archs, the protruding symmetrical formula of two joints sets up, the protruding and limit switch looks adaptation of joint, just the long limit of strutting piece is 90 with the contained angle between two joint archs. The included angle between the long edge of the spreading piece and the two clamping bulges is set to be 90 degrees, when the limit switch is contacted with one of the clamping bulges during locking, the motor stops rotating, the short edge of the spreading piece is abutted against the left spring bolt and the right spring bolt, and the left spring bolt and the right spring bolt are limited in the clamping groove; when the unlocking is successful, the motor rotates to drive the spreading piece to rotate, the long edge of the spreading piece is abutted against the left spring bolt and the right spring bolt, and at the moment, the left spring bolt and the right spring bolt are completely separated from the clamping groove, the locking hook can automatically pop out under the action of the cylindrical spring at the bottom to form the unlocking, and the motor is reversely reset after the unlocking is successful; the lock hook is inserted back into the shell, and the left spring bolt and the right spring bolt are clamped into the clamping groove of the lock hook under the action of the spring to complete locking.

Further, the casing includes shell, support and base, fingerprint module, PCBA board and locking mechanical system all set up on the support.

Further, the shell and the base are fixedly connected in a riveting mode, and the shell is provided with a waterproof ring. The riveting type waterproof structure can achieve the waterproof effect above IP65 by matching with the waterproof ring.

Further, the fingerprint padlock is still including setting up the battery in the casing, the battery is connected with PCBA board, fingerprint module electricity, just the side of casing is provided with the interface that charges, the interface that charges is connected with PCBA board. The charging interface is a MICRO USB interface, and when the battery is not charged, the battery can be charged through the charging interface.

The fingerprint padlock has the advantages that the fingerprint padlock is simple in structure, small in size, capable of unlocking by means of fingerprints, convenient to operate and capable of opening and closing the lock, avoiding the trouble of carrying keys or remembering passwords, adopting the structure of the double lock tongues, and being high in safety.

Drawings

Fig. 1 is a schematic structural diagram of a fingerprint padlock.

Figure 2 is an exploded view of a fingerprint padlock.

FIG. 3 is a schematic view of the latch mechanism in the latched position.

Fig. 4 is a schematic view of the lock mechanism in unlocking.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Reference is made to fig. 1-4.

A fingerprint padlock is characterized by comprising a shell 1, a fingerprint module 2, a PCBA board 3 and a locking mechanism 4, wherein the fingerprint module 2, the PCBA board 3 and the locking mechanism 4 are all arranged in the shell 1, the fingerprint module 2 and the locking mechanism 4 are all electrically connected with the PCBA board 3, a touch screen opening 11 is formed in the shell 1, and the touch screen opening 11 is matched with the fingerprint module 2; the locking mechanism 4 comprises a driving assembly 41, a locking hook 42, a cylindrical spring 43, a left locking tongue 44, a right locking tongue 45 and a spring 46, wherein one end of the locking hook 42 is sleeved with the cylindrical spring 43, two clamping grooves 421 are symmetrically arranged on the locking hook 42, the two clamping grooves 421 are respectively arranged on the inner side surface of the opening of the locking hook 42, the two clamping grooves 421 are on the same plane, the left locking tongue 44 and the right locking tongue 45 are symmetrically arranged on two sides of the driving assembly 41, the driving assembly 41 simultaneously drives the left locking tongue 44 and the right locking tongue 45 to move relatively, the spring is arranged between the left locking tongue 44 and the right locking tongue 45, the left locking tongue 44 and the right locking tongue 45 are matched with the clamping grooves, and the left locking tongue 44 and the right locking tongue 45 are simultaneously limited or separated from.

Wherein, fingerprint module belongs to prior art, and fingerprint module 2 is connected with PCBA board 3, after setting up the fingerprint of oneself, touches 11 fingerprint induction area of touch-sensitive screen mouth on the casing 1 with the finger, and fingerprint module 2 sends fingerprint identification information to PCBA board 3 in to send unblock signal to drive assembly 41 by PCBA board 3 in, the control operation of unblanking. When the fingerprint padlock is in a locked state, two ends of the lock hook 42 are fixed in the housing 1, and one end of the left lock tongue 44 and one end of the right lock tongue 45 are respectively limited in the corresponding clamping grooves 421, so that the lock hook 42 is tightly buckled in the housing 1; when the unlocking is needed, after the fingerprint identification is successful, the PCBA board 3 sends a signal to the driving component 41, the driving component 41 simultaneously drives the left lock tongue 44 and the right lock tongue 45 to move inwards, and when the left lock tongue 44 and the right lock tongue 45 are completely separated from the lock hook clamping groove 421, the lock hook 42 can automatically pop up under the action of the cylindrical spring 43 at the bottom to form the unlocking; when the latch hook 53 is inserted back into the housing 1, the left latch tongue 44 and the right latch tongue 45 are respectively engaged with the engaging groove 421 of the latch hook 42 under the action of the spring, thereby completing the latching operation.

In this embodiment, each of the left latch tongue 44 and the right latch tongue 45 includes a clamping portion 441 and a support groove 442, the clamping portion 441 is engaged with the support groove 442, the driving assembly 41 is disposed in a cavity surrounded by the support grooves 442 of the left latch tongue 44 and the right latch tongue 45, a spring groove 443 is disposed on the clamping portion 441, one end of the spring 46 is fixed in the spring groove 443 of the left latch tongue 44 and/or the right latch tongue 45, and the other end of the spring 46 is fixed on the outer side wall of the support groove 442 of the right latch tongue 45 and/or the left latch tongue 44.

In this embodiment, the driving assembly 41 includes a motor 411, a driving wheel 412 and a spreading member 413, the motor 411 is in driving connection with the driving wheel 412, the spreading member 413 is fixedly disposed on the driving wheel 412, the lengths of the long side and the short side of the spreading member 413 are different, the spreading member 413 abuts against the inner side wall of the supporting groove 421 of the left lock tongue 44 and the right lock tongue 45, and the left lock tongue 44 and the right lock tongue 45 are disposed in a central symmetry manner by using the spreading member 413 as a center. When the short edge of the spreader 413 abuts against the left lock tongue 44 and the right lock tongue 45, the distance between the two ends of the left lock tongue 44 and the right lock tongue 45 is the farthest, and the left lock tongue 44 and the right lock tongue 45 are limited in the clamping groove 421; when the motor 411 rotates, the long edge of the spreader 413 abuts against the left lock tongue 44 and the right lock tongue 45, the left lock tongue 44 and the right lock tongue 45 move inward, the distance between the two ends of the left lock tongue 44 and the right lock tongue 45 is the shortest, and at this time, when the left lock tongue 44 and the right lock tongue 45 are completely separated from the card slot 421, the lock hook 42 can automatically pop out under the action of the cylindrical spring 43 at the bottom, so as to form unlocking.

In this embodiment, the driving assembly 41 further includes a limit switch 414, the limit switch 414 is electrically connected to the PCBA board 3, the limit switch 414 is disposed on a side of the driving wheel 412, two clamping protrusions 415 are disposed on a side of the driving wheel 412, the two clamping protrusions 415 are symmetrically disposed, the clamping protrusions 415 are adapted to the limit switch 414, and an included angle between a long side of the spreading member 413 and the two clamping protrusions 415 is 90 °. An included angle between the long edge of the opening piece 413 and the two clamping protrusions 415 is set to be 90 degrees, when the limit switch 414 is in contact with one clamping protrusion 415 during locking, the motor 411 stops rotating, at the moment, the short edge of the opening piece 413 is abutted against the left lock tongue 44 and the right lock tongue 45, and the left lock tongue 44 and the right lock tongue 45 are limited in the clamping groove 421; when the lock is unlocked, the motor 411 rotates to drive the spreading member to rotate, the long edge of the spreading member 413 abuts against the left lock tongue 44 and the right lock tongue 45, at the moment, when the left lock tongue 44 and the right lock tongue 45 are completely separated from the clamping groove 421, the lock hook 42 can automatically pop out under the action of the cylindrical spring 43 at the bottom to form unlocking, and the motor 411 is reversely reset after the unlocking is successful; the latch hook 42 is inserted back into the housing 1, and the left latch tongue 44 and the right latch tongue 45 are engaged into the engaging groove 421 of the latch hook 42 under the action of the spring 46, so as to complete the locking.

In this embodiment, the housing 1 comprises a housing 12, a support 13 and a base 14, the fingerprint module 2, the PCBA board 3 and the locking mechanism 4 all being arranged on the support 13.

In this embodiment, the housing 12 and the base 14 are fixedly connected by riveting, and the casing 1 is provided with a waterproof ring 15. The riveting type waterproof structure can achieve the waterproof effect of more than IP65 by matching with the waterproof ring 15.

In this embodiment, the fingerprint padlock further includes a battery 16 disposed in the housing 1, the battery 16 is electrically connected to the PCBA board 3 and the fingerprint module 2, and a charging interface (not shown) is disposed on a side of the housing 1, and the charging interface is connected to the PCBA board 3. The charging interface is a MICRO USB interface, and when the battery is not charged, the battery can be charged through the charging interface.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A fingerprint padlock is characterized by comprising a shell, a fingerprint module, a PCBA board and a locking mechanism, wherein the fingerprint module, the PCBA board and the locking mechanism are all arranged in the shell, the fingerprint module and the locking mechanism are all electrically connected with the PCBA board, a touch screen port is arranged on the shell, and the touch screen port is matched with the fingerprint module;

the locking mechanism comprises a driving assembly, a lock hook, a cylindrical spring, a left lock tongue, a right lock tongue and a spring, wherein the cylindrical spring is sleeved at one end of the lock hook, two clamping grooves are symmetrically formed in the lock hook and are respectively arranged on the inner side surface of the opening of the lock hook, the two clamping grooves are formed in the same plane, the left lock tongue and the right lock tongue are symmetrically arranged on two sides of the driving assembly, the driving assembly simultaneously drives the left lock tongue and the right lock tongue to move relatively, the spring is arranged between the left lock tongue and the right lock tongue, the left lock tongue and the right lock tongue are matched with the clamping grooves, and the left lock tongue and the right lock tongue are simultaneously limited or separated from the clamping grooves.

2. The fingerprint padlock of claim 1, wherein the left locking tongue and the right locking tongue each comprise a clamping portion and a support groove, the clamping portion is engaged with the support groove, the driving assembly is disposed in a cavity surrounded by the support grooves of the left locking tongue and the right locking tongue, the clamping portion is provided with a spring groove, one end of the spring is fixed in the spring groove of the left locking tongue and/or the right locking tongue, and the other end of the spring is fixed on the outer side wall of the support groove of the right locking tongue and/or the left locking tongue.

3. The fingerprint padlock of claim 2, wherein the driving assembly comprises a motor, a driving wheel and a spreading member, the motor is in driving connection with the driving wheel, the spreading member is fixedly arranged on the driving wheel, the lengths of the long edge and the short edge of the spreading member are different, the spreading member is supported on the inner side walls of the supporting grooves of the left lock tongue and the right lock tongue, and the left lock tongue and the right lock tongue are arranged in a central symmetry manner by taking the spreading member as a center.

4. The fingerprint padlock of claim 3, wherein the driving assembly further comprises a limit switch, the limit switch is electrically connected with the PCBA, the limit switch is disposed on one side of the driving wheel, two clamping protrusions are disposed on one side of the driving wheel, the two clamping protrusions are symmetrically disposed, the clamping protrusions are matched with the limit switch, and an included angle between a long edge of the spreading member and the two clamping protrusions is 90 °.

5. The fingerprint padlock of claim 1, wherein the housing comprises a housing, a bracket, and a base, the fingerprint module, the PCBA board, and the locking mechanism being disposed on the bracket.

6. The fingerprint padlock of claim 5, wherein the casing and the base are fixedly connected by riveting, and the casing is provided with a waterproof ring.

7. The fingerprint padlock of claim 1, further comprising a battery disposed in the housing, wherein the battery is electrically connected to the PCBA and the fingerprint module, and a charging interface is disposed on a side of the housing and connected to the PCBA.