CN112664068A

CN112664068A - Anti-theft lock with fingerprint identification function

Info

Publication number: CN112664068A
Application number: CN202011580597.3A
Authority: CN
Inventors: 黄修海
Original assignee: Nanjing Meijinnong Electronic Technology Co ltd
Current assignee: Nanjing Meijinnong Electronic Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-16

Abstract

The invention relates to an anti-theft lock with a fingerprint identification function, which comprises a main body, a fingerprint identification mechanism and a locking mechanism, wherein the fingerprint identification mechanism and the locking mechanism are arranged on the main body, the anti-theft lock with the fingerprint identification function realizes the identification of fingerprints through the fingerprint identification mechanism, and when the third identification fails, a lock tongue of the main body is locked through the locking mechanism, so that the anti-theft is realized.

Description

Anti-theft lock with fingerprint identification function

Technical Field

The invention relates to an anti-theft lock with a fingerprint identification function.

Background

The anti-theft lock is used for an access control or anti-theft equipment arranged on a box body, is an important component of security equipment, and can be divided into a spring lock, a blade lock, a magnetic lock, an IC card lock, a fingerprint lock and the like according to different principles of a lock core.

The existing fingerprint anti-theft lock is used for locking the anti-theft lock by generally controlling a locking mechanism through a controller when the existing fingerprint anti-theft lock is stolen for a plurality of times and fails in fingerprint matching, so that the anti-theft lock is prevented from being stolen, the mode of controlling by adopting an electronic element is poor in stability and short in service life, the practicability is reduced, the existing fingerprint anti-theft lock is generally exposed outside, and children are easy to operate by mistake when playing and are in trouble, so that the locking of the anti-theft lock is caused, and the use of the device is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the anti-theft lock with the fingerprint identification function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-theft lock with a fingerprint identification function comprises a main body, a fingerprint identification mechanism and a locking mechanism, wherein the fingerprint identification mechanism and the locking mechanism are arranged on the main body;

the fingerprint identification mechanism comprises a shell, a fingerprint identifier, a limiting component and a power-on component, wherein the shell is arranged on a main body, the limiting component comprises a bottom plate, a walking rod and a first spring, the bottom plate is arranged in the shell and is in sliding connection with the shell, the walking rod is arranged in the shell, the bottom plate is sleeved on the walking rod and is in sliding connection with the walking rod, the first spring is sleeved on the walking rod, one end of the first spring is connected with the shell, the other end of the first spring is connected with the bottom plate, the fingerprint identifier is arranged on the bottom plate, the power-on component comprises an electric sheet and an electric column, the electric sheet is arranged on the bottom plate, one end of the electric sheet is hinged with the bottom plate, a torsional spring is arranged at the hinged position of the electric sheet and the bottom plate, the cross section of the electric sheet is arc-shaped, the electric sheet has two arc-shaped surfaces, and the two arc-shaped surfaces of the electric sheets are, the electric pole is arranged in the box body and is positioned between the two electric pieces, a groove is arranged on the electric pole, the section of the groove is arc-shaped, the arc-shaped section of the groove is positioned on the circle center of the arc-shaped section of the electric piece as the circle center, the electric piece is electrically connected with the fingerprint recognizer, and the electric pole is electrically connected with a power supply;

the locking mechanism comprises a pushing assembly and a locking assembly, the pushing assembly comprises a rotating rod, a bearing seat, a positioning block, a positioning rod, a pushing block, first magnets and second magnets, the bearing seat is arranged on the bottom plate, one end of the rotating rod is located in the bearing seat, the positioning block is arranged on the rotating rod, the positioning block is arranged on the positioning rod and is located in the positioning groove, the positioning block is slidably connected with the positioning groove, the number of the first magnets is two, one first magnet is arranged on the positioning block, the other first magnet is arranged at one end, close to the bottom plate, of the positioning rod, the two first magnets are arranged right opposite to each other, the two first magnets attract each other, the number of the second magnets is two, one second magnet is arranged on the positioning block, the other second magnet is arranged at one end, far away from the bottom plate, the two second magnets are arranged right opposite to each other, and the, the push block is arranged on the rotating rod, the push block extends out of the shell, the locking assembly comprises a locking unit, a fixing unit and a pulling unit, the locking unit comprises a fixing rod, a moving rod, pressing blocks, fixing blocks, a second spring, connecting rods and locking rods, the fixing blocks are arranged on the main body, the fixing rods are arranged on the fixing blocks, the moving rod is sleeved on the fixing rods, the moving rod is in sliding connection with the fixing rods, the pressing blocks are arranged on the moving rod, the three pressing blocks are uniformly arranged, the push block is abutted against one of the pressing blocks, the second spring is sleeved on the fixing rods, the second spring is located between the fixing blocks and the moving rod, one end of the second spring is connected with the fixing blocks, the other end of the second spring is connected with the moving rod, the connecting rods are arranged on the moving rod, and the locking rods are arranged at one end of the connecting rods, which is far away from the moving, the spring bolt of the main body is provided with a through hole, the lock rod and the through hole are arranged just oppositely, the fixed rod is arranged in a hollow manner, the fixed unit is arranged in the fixed rod, the fixed unit is provided with a plurality of fixed units which are arranged uniformly along the axis direction of the fixed rod, the fixed unit comprises a sleeve, a clamping rod and a third spring, the sleeve is arranged in the fixed rod, one end of the clamping rod is positioned in the sleeve, the other end of the clamping rod extends out of the sleeve, the moving rod is provided with a clamping groove, one end of the clamping rod extending into the sleeve is positioned in the clamping groove, the third spring is arranged in the sleeve, one end of the third spring is connected with the sleeve, the other end of the third spring is connected with the clamping rod, the pulling unit comprises a sliding rod, a third magnet, an electromagnet, a first pull rope and a second pull rope, the sliding rod is arranged on the main body, and the, the third magnet is connected with the sliding rod in a sliding mode, the electromagnet is arranged on one side, away from the fixing rod, of the third magnet, the electromagnet is arranged right opposite to the third magnet, one end of the first pull rope is connected with the third magnet, the other end of the first pull rope extends into the fixing rod and is connected with the fixing block, the second pull ropes are multiple in number, each second pull rope corresponds to each clamping rod, one end of each second pull rope is connected with the clamping rod, and the other end of each second pull rope extends into the fixing rod and is connected with the first pull rope.

In order to realize automatic control, be equipped with PLC in the main part, fingerprint identification ware and electro-magnet all are connected with PLC electricity.

In order to better limit the movement of the moving rod, a sliding block is arranged in the moving rod, a sliding groove is formed in the moving rod, the sliding block is located in the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode.

In order to better limit the movement of the movable rod, the number of the sliding blocks is two, the two sliding blocks are respectively arranged on two sides of the movable rod, the number of the sliding grooves is two, and the two sliding blocks are respectively located in the two sliding grooves.

In order to better limit the movement of the moving rod, the cross section of the sliding block is in a dovetail shape, and the sliding groove is a dovetail groove.

In order to better limit the movement of the bottom plate, the two walking rods are arranged and are respectively arranged at two ends of the bottom plate, the two first springs are arranged and are respectively sleeved on the two walking rods.

In order to better limit the movement of the third magnet, the number of the slide bars is two, and the two slide bars are respectively arranged on two sides of the third magnet.

In order to avoid the children from playing, the first spring is a strong spring.

For a better fixing effect, the third spring is in a compressed state.

In order to make the second pulling rope return to the initial state better, the second pulling rope is an elastic rope.

The anti-theft lock with the fingerprint identification function has the advantages that the fingerprint identification is realized through the fingerprint identification mechanism, when the third identification is not passed, the lock tongue of the main body is locked through the locking mechanism, so that the anti-theft is realized, compared with the existing fingerprint identification mechanism, the fingerprint identification device can be powered on to operate only through pressing, the energy is saved, and the misoperation caused when children play is not alarmed is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an anti-theft lock with fingerprint identification function according to the present invention;

FIG. 2 is a schematic structural diagram of a fingerprint identification mechanism of the anti-theft lock with fingerprint identification function according to the present invention;

FIG. 3 is a schematic structural diagram of a pushing assembly of the anti-theft lock with fingerprint identification function according to the present invention;

FIG. 4 is a schematic structural diagram of a pushing assembly of the anti-theft lock with fingerprint identification function of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is a schematic view of a connection structure of a fixed bar and a movable bar of the anti-theft lock with fingerprint recognition function according to the present invention;

in the figure: 1. the fingerprint identification device comprises a main body, a shell, a fingerprint identification device, a bottom plate, a walking rod, a first spring, a second magnet, a fixing rod, a moving rod, a pressing block, a fixing block, a second spring, a connecting rod, a locking rod, a sleeve, a clamping rod, a third spring, a sliding rod, a third magnet, an electromagnet, a first pull rope, a second pull rope and a sliding block, wherein the main body comprises 2, the shell, 3, the fingerprint identification device, 4, the bottom plate, 5, the walking rod, 6, the first spring, 7, the electric sheet, 8, the electric column, 9, the rotating rod, 10, the bearing seat, 11, the positioning block, 12, the positioning rod, 13, the pushing block, 14, the first magnet, 15, the second.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an anti-theft lock with fingerprint identification function comprises a main body 1, a fingerprint identification mechanism and a locking mechanism, wherein the fingerprint identification mechanism and the locking mechanism are both arranged on the main body 1;

when the device is used, fingerprint identification is realized through the fingerprint identification mechanism, and when the fingerprint identification is still unidentified for many times, the lock tongue on the main body 1 is locked through the locking mechanism, so that the anti-theft effect is realized.

As shown in fig. 2, the fingerprint identification mechanism includes a housing 2, a fingerprint identifier 3, a limiting component and a power-on component, the housing 2 is disposed on a main body 1, the limiting component includes a bottom plate 4, a walking rod 5 and a first spring 6, the bottom plate 4 is disposed in the housing 2, the bottom plate 4 is slidably connected with the housing 2, the walking rod 5 is disposed in the housing 2, the bottom plate 4 is sleeved on the walking rod 5, the bottom plate 4 is slidably connected with the walking rod 5, the first spring 6 is sleeved on the walking rod 5, one end of the first spring 6 is connected with the housing 2, the other end of the first spring 6 is connected with the bottom plate 4, the fingerprint identifier 3 is disposed on the bottom plate 4, the power-on component includes a cable 7 and a cable post 8, the cable 7 is disposed on the bottom plate 4, one end of the cable 7 is hinged with the bottom plate 4, a torsion spring is disposed at the hinged position of the cable 7 and the bottom plate 4, the section of each electric sheet 7 is arc-shaped, the number of the electric sheets 7 is two, the arc surfaces of the two electric sheets 7 are abutted against each other, the electric column 8 is arranged in the box body, the electric column 8 is positioned between the two electric sheets 7, a groove is arranged on the electric column 8, the section of the groove is arc-shaped, the arc-shaped section of the groove is the circle center positioned on the circle center of the arc-shaped section of the electric sheet 7, the electric sheet 7 is electrically connected with the fingerprint recognizer 3, and the electric column 8 is electrically connected with a power supply;

when fingerprint identification is required to be carried out and the main body 1 is opened, a finger is placed on the fingerprint identifier 3 and then is pressed downwards, so that the fingerprint identifier 3 moves downwards, the fingerprint identifier 3 presses the bottom plate 4 to move downwards, the bottom plate 4 drives the electric sheet 7 to move downwards, the electric sheet 7 is abutted to the electric column 8, along with the continuous movement of the bottom plate 4, the electric column 8 drives the electric sheet 7 to rotate, so that the torsional spring at the hinged part of the electric sheet 7 and the bottom plate 4 deforms, when the electric sheet 7 moves to the groove on the electric column 8, the electric sheet 7 is not blocked, and can be clamped into the groove under the action of the restoring force of the torsional spring, so that the electric sheet 7 is better adhered to the electric column 8, so that the electric sheet 7 is electrified, the fingerprint identifier 3 is electrified, so that the fingerprint is collected and identified through the fingerprint identifier 3, the fingerprint identifier 3 converts the collected data into an electric signal to be sent to the PLC, PLC analyzes the signal of telecommunication, when data and the data of reserving match, PLC control main part 1 operation to open the spring bolt, when data mismatch, then can't open main part 1.

The first spring 6 is a strong spring, so that the phenomenon that the operation of the main body 1 is influenced by the fact that the fingerprint identifier 3 is triggered by mistake when a child plays an alarm is avoided.

Here, the first spring 6 is in a compressed state, and when the hand is released, the base plate 4 is returned to the original position by the restoring force of the first spring 6 under the restoring force of the first spring 6, so that the fingerprint identifier 3 is returned to the original position.

Here, the restoring force of the first spring 6 is much greater than that of the torsion spring so that the first spring 6 can push the two electric pieces 7 back to the original positions.

Here when the electric piece 7 is blocked in the groove on the electric post 8, the electric piece 7 is blocked in the groove rapidly under the effect of the torsion spring, so that a click sound can be generated, a user can judge the connection state of the electric piece 7 and the electric post 8 through the sound, when a prompt sound occurs, the fingerprint identifier 3 is shown to be pressed to a corresponding position, namely, the best power-on state is realized at the moment.

As shown in fig. 3-6, the locking mechanism includes a pushing assembly and a locking assembly, the pushing assembly includes a rotating rod 9, a bearing seat 10, a positioning block 11, a positioning rod 12, a pushing block 13, first magnets 14 and second magnets 15, the bearing seat 10 is disposed on the bottom plate 4, one end of the rotating rod 9 is located in the bearing seat 10, the positioning block 11 is disposed on the rotating rod 9, the positioning rod 12 is provided with a positioning slot, the positioning block 11 is located in the positioning slot, the positioning block 11 is slidably connected with the positioning slot, there are two first magnets 14, one first magnet 14 is disposed on the positioning block 11, the other first magnet 14 is disposed at one end of the positioning rod 12 close to the bottom plate 4, the two first magnets 14 are disposed opposite to each other, the two first magnets 14 attract each other, there are two second magnets 15, one second magnet 15 is disposed on the positioning block 11, another second magnet 15 sets up the one end of keeping away from bottom plate 4 at locating lever 12, and two second magnets 15 are just to setting up, and two second magnets 15 are mutual to be inhaled, ejector pad 13 sets up on bull stick 9, ejector pad 13 stretches out outside casing 2, the locking subassembly includes locking unit, fixed unit and pulling unit, the locking unit includes dead lever 16, carriage release lever 17, briquetting 18, fixed block 19, second spring 20, connecting rod 21 and locking lever 22, fixed block 19 sets up on main part 1, dead lever 16 sets up on fixed block 19, carriage release lever 17 cover is established on dead lever 16, carriage release lever 17 and dead lever 16 sliding connection, briquetting 18 sets up on carriage release lever 17, briquetting 18 has threely, and three briquetting 18 evenly sets up, ejector pad 13 supports with one of them briquetting 18 and leans on, second spring 20 cover is established on dead lever 16, the second spring 20 is located between fixed block 19 and the carriage release lever 17, the one end and the fixed block 19 of second spring 20 are connected, the other end and the carriage release lever 17 of second spring 20 are connected, connecting rod 21 sets up on carriage release lever 17, locking lever 22 sets up the one end of keeping away from carriage release lever 17 at connecting rod 21, be equipped with the perforation on the spring bolt of main part 1, locking lever 22 is just to setting up with the perforation, dead lever 16 cavity setting, fixed unit sets up in dead lever 16, fixed unit has a plurality ofly, and each fixed unit is along the axis direction align to grid of dead lever 16 and sets up, fixed unit includes sleeve pipe 23, kelly 24 and third spring 25, sleeve pipe 23 sets up in dead lever 16, kelly 24's one end is located sleeve pipe 23, outside the sleeve pipe 23 is stretched out to kelly 24's the other end, be equipped with the draw-in groove on carriage release lever 17, one end of the clamping rod 24 extending into the sleeve 23 is located in the clamping groove, the third spring 25 is arranged in the sleeve 23, one end of the third spring 25 is connected with the sleeve 23, the other end of the third spring 25 is connected with the clamping rod 24, the pulling unit comprises a sliding rod 26, a third magnet 27, an electromagnet 28, a first pull rope 29 and a second pull rope 30, the sliding rod 26 is arranged on the main body 1, the third magnet 27 is sleeved on the sliding rod 26, the third magnet 27 is slidably connected with the sliding rod 26, the electromagnet 28 is arranged on one side of the third magnet 27 far away from the fixing rod 16, the electromagnet 28 and the third magnet 27 are arranged oppositely, one end of the first pull rope 29 is connected with the third magnet 27, the other end of the first pull rope 29 extends into the fixing rod 16 to be connected with the fixing block 19, the second pull ropes 30 are provided, and each second pull rope 30 is arranged corresponding to each clamping rod 24, one end of the second pulling rope 30 is connected with the clamping rod 24, and the other end of the second pulling rope 30 extends into the fixing rod 16 and is connected with the first pulling rope 29.

When fingerprint identification is carried out for the first time, the bottom plate 4 is pressed down for the first time, at the moment, the two first magnets 14 attract each other, so that the positioning block 11 is positioned in the positioning groove, the bottom plate 4 moves downwards, the bottom plate 4 drives the bearing seat 10 to move downwards, the bearing seat 10 drives the rotating rod 9 to move downwards, the rotating rod 9 drives the positioning block 11 to move downwards, so that the positioning block 11 can only move along the axial direction of the positioning groove, so that the movement of the positioning block 11 is limited, so that the movement of the rotating rod 9 is limited, at the moment, the push block 13 on the rotating rod 9 is abutted against the press block 18 on the lowest position of the moving rod 17, along with the downward movement of the rotating rod 9, the rotating rod 9 drives the push block 13 to move downwards, the push block 13 drives the press block 18 to move downwards, the press block 18 drives the moving rod 17 to move downwards, wherein the third spring 25 is in a compressed state, and the restoring force, here, the downward pressure on the rotating rod 9 is greater than the restoring force of the third spring 25, so that the moving rod 17 can press the clamping rod 24 into the sleeve 23, thereby realizing the movement of the moving rod 17, when the first fingerprint identification is not successful, the positioning block 11 is located at the lowest position of the positioning slot at the moment, so that the two second magnets 15 are right opposite, so that under the action of the suction force of the two second magnets 15, the positioning block 11 approaches towards the second magnet 15 on the positioning rod 12, so that the positioning block 11 moves out of the positioning slot, so that the positioning block 11 drives the rotating rod 9 to rotate, the rotating rod 9 drives the pushing block 13 to rotate, so that the pushing block 13 deviates from the pressing block 18, then the fingerprint identifier 3 is released, so that the bottom plate 4 moves upwards, so that the rotating rod 9 returns to the initial position, and the pressing block 18 is not pushed by the movement of the pushing block 13, and the clamping rod 24 is clamped in the corresponding, make the carriage release lever 17 unable removal, thereby make connecting rod 21 unable removal, thereby make locking lever 22 unable removal, locking lever 22 has not blocked the perforation on the spring bolt this moment, then carry out fingerprint identification for the second time, when fingerprint identification for the second time still unidentified, push block 13 drives briquetting 18 once more and moves a section distance, briquetting 18 drive carriage release lever 17 moves a section distance once more, thereby make locking lever 22 move a section distance once more, make locking lever 22 be close to the perforation once more, when fingerprint identification for the second time still failed, then carry out third time discernment, when the third time still failed, push block 13 drives briquetting 18 once more and moves, briquetting 18 drives locking lever 22 once more and moves, make locking lever 22 block in the perforation, thereby lock the spring bolt, thereby realize preventing burglary.

When the identification is passed, the PLC supplies power to the electromagnet 28, the electromagnet 28 generates attraction force to the third magnet 27, the third magnet 27 pulls the first pull rope 29 to move, the first pull rope 29 pulls the second pull rope 30 to move, so that the second pulling rope 30 pulls the catch lever 24 into the sleeve 23, so that the moving lever 17 is not obstructed, under the restoring force of the second spring 20, the second spring 20 pulls the moving rod 17 to move reversely, returning to the initial position, thereby the lock bar 22 moves reversely and moves out of the perforation, thereby the locking state of the lock tongue is released, after the moving bar 17 moves to the initial position, the PLC stops supplying power to the electromagnet 28, so that the third magnet 27 is restored to the original position by the restoring force of the first string 29, thereby allowing the second cord 30 to be paid out and the catching lever 24 to be ejected again by the restoring force of the third spring 25, thereby fixing the moving lever 17.

Here, the third magnet 27 is fitted over the slide bar 26, thereby limiting the movement of the third magnet 27.

Here, the moving rod 17 moves to drive the sliding block 31 to move, and the sliding block 31 is positioned in the dovetail groove, so that the sliding block 31 can only move along the axial direction of the dovetail groove, thereby limiting the movement of the sliding block 31 and further limiting the movement of the moving rod 17.

In order to realize automatic control, a PLC is arranged in the main body 1, and the main body 1, the fingerprint identifier 3 and the electromagnet 28 are all electrically connected with the PLC.

In order to better limit the movement of the moving rod 17, a sliding block 31 is arranged in the moving rod 17, a sliding groove is formed in the moving rod 17, the sliding block 31 is located in the sliding groove, and the sliding block 31 is connected with the sliding groove in a sliding mode.

In order to better limit the movement of the moving rod 17, the number of the sliding blocks 31 is two, the two sliding blocks 31 are respectively arranged on two sides of the moving rod 17, the number of the sliding grooves is two, and the two sliding blocks 31 are respectively positioned in the two sliding grooves.

In order to better limit the movement of the moving rod 17, the cross section of the sliding block 31 is dovetail-shaped, and the sliding groove is a dovetail groove.

In order to better limit the movement of the bottom plate 4, the two walking rods 5 are provided, the two walking rods 5 are respectively arranged at two ends of the bottom plate 4, the two first springs 6 are provided, and the two first springs 6 are respectively sleeved on the two walking rods 5.

In order to better limit the movement of the third magnet 27, there are two slide bars 26, and the two slide bars 26 are respectively arranged at two sides of the third magnet 27.

In order to avoid the children from playing, the first spring 6 is a strong spring.

For a better fixing effect, the third spring 25 is in a compressed state.

In order to make the second pulling rope 30 return to the initial state better, the second pulling rope 30 is an elastic rope.

When the device is used, the fingerprint identifier 3 is pressed, the electric sheet 7 is abutted against the electric column 8, the fingerprint identifier 3 is powered, the fingerprint is identified through the fingerprint identifier 3, the first spring 6 is a strong spring, the misoperation of the fingerprint identifier 3 is avoided when children play the clock, when the fingerprints are matched, the PLC controls the main body 1 to operate, the lock tongue is moved into the main body 1 to realize unlocking, meanwhile, the fingerprint identifier 3 moves, the driving pushing assembly moves, the pushing assembly drives the locking assembly to move, the lock bar 22 moves towards the lock tongue on the main body 1, when the fingerprints are not matched, the lock bar 22 is clamped into a through hole on the lock tongue, the lock tongue is locked, the moving rod 17 is fixed through the fixing unit, the lock bar 22 is fixed, and the lock bar 22 keeps the locking state of the lock tongue, thereby realize the theftproof, when fingerprint identification passes, the electro-magnet 28 operation to pulling first stay cord 29, first stay cord 29 pulling second stay cord 30 makes the fixed unit remove the lock state to carriage release lever 17, thereby under the restoring force effect of second spring 20, make carriage release lever 17 reverse movement to initial position, thereby make locking lever 22 shift out the perforation, remove the lock state to the spring bolt, then PLC control main part 1 moves, make the spring bolt move people main part 1, realize unblanking.

Compared with the prior art, this pickproof lock with fingerprint identification function, realize the discernment of fingerprint through fingerprint identification mechanism, when cubic discernment is not passed, lock the spring bolt of main part 1 through locking mechanical system, thereby realize the theftproof, compare with current fingerprint identification mechanism, fingerprint identification ware 3 can only accomplish the circular telegram operation through pressing down, the energy has been saved, it causes the maloperation when playing and alarming to have also avoided children, compare with current locking mechanical system, this mechanism adopts the linkage with fingerprint identification mechanism, when having realized cubic discernment and not having mated, locking lever 22 carries out automatic locking, and this mechanism adopts pure mechanical structure, the stability and the life of device have been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The anti-theft lock with the fingerprint identification function is characterized by comprising a main body (1), a fingerprint identification mechanism and a locking mechanism, wherein the fingerprint identification mechanism and the locking mechanism are arranged on the main body (1);

the fingerprint identification mechanism comprises a shell (2), a fingerprint identifier (3), a limiting component and a power-on component, wherein the shell (2) is arranged on a main body (1), the limiting component comprises a bottom plate (4), a walking rod (5) and a first spring (6), the bottom plate (4) is arranged in the shell (2), the bottom plate (4) is in sliding connection with the shell (2), the walking rod (5) is arranged in the shell (2), the bottom plate (4) is sleeved on the walking rod (5), the bottom plate (4) is in sliding connection with the walking rod (5), the first spring (6) is sleeved on the walking rod (5), one end of the first spring (6) is connected with the shell (2), the other end of the first spring (6) is connected with the bottom plate (4), the fingerprint identifier (3) is arranged on the bottom plate (4), the power-on component comprises a power chip (7) and a power post (8), the electric sheet (7) is arranged on the bottom plate (4), one end of the electric sheet (7) is hinged to the bottom plate (4), a torsion spring is arranged at the hinged position of the electric sheet (7) and the bottom plate (4), the cross section of the electric sheet (7) is arc-shaped, the electric sheet (7) is provided with two electric sheets, the arc surfaces of the two electric sheets (7) are mutually abutted, the electric column (8) is arranged in the box body, the electric column (8) is positioned between the two electric sheets (7), a groove is arranged on the electric column (8), the cross section of the groove is arc-shaped, the arc-shaped cross section of the groove is positioned on the center of the arc-shaped cross section of the electric sheet (7) as the circle center, the electric sheet (7) is electrically connected with the fingerprint recognizer (3), and the electric column (8) is electrically connected with a power supply;

the locking mechanism comprises a pushing assembly and a locking assembly, the pushing assembly comprises a rotating rod (9), a bearing seat (10), a positioning block (11), a positioning rod (12), a pushing block (13), a first magnet (14) and a second magnet (15), the bearing seat (10) is arranged on the bottom plate (4), one end of the rotating rod (9) is positioned in the bearing seat (10), the positioning block (11) is arranged on the rotating rod (9), the positioning rod (12) is provided with a positioning groove, the positioning block (11) is positioned in the positioning groove, the positioning block (11) is in sliding connection with the positioning groove, the number of the first magnets (14) is two, one first magnet (14) is arranged on the positioning block (11), the other first magnet (14) is arranged at one end, close to the bottom plate (4), of the positioning rod (12), and the two first magnets (14) are arranged right, two first magnets (14) attract each other, second magnet (15) have two, and one of them second magnet (15) sets up on locating piece (11), and another second magnet (15) set up the one end of keeping away from bottom plate (4) at locating lever (12), and two second magnet (15) are just to setting up, and two second magnet (15) attract each other, ejector pad (13) set up on bull stick (9), ejector pad (13) stretch out outside casing (2), the locking subassembly includes locking unit, fixed unit and pulling unit, the locking unit includes dead lever (16), carriage release lever (17), briquetting (18), fixed block (19), second spring (20), connecting rod (21) and locking lever (22), fixed block (19) set up on main part (1), dead lever (16) set up on fixed block (19), carriage release lever (17) cover is established on dead lever (16), the utility model discloses a moving rod, including carriage release lever (17) and dead lever (16), briquetting (18) set up on carriage release lever (17), briquetting (18) have threely, three briquetting (18) evenly set up, ejector pad (13) support with one of them briquetting (18) and lean on, second spring (20) cover is established on dead lever (16), second spring (20) are located between fixed block (19) and carriage release lever (17), the one end and the fixed block (19) of second spring (20) are connected, the other end and the carriage release lever (17) of second spring (20) are connected, connecting rod (21) set up on carriage release lever (17), locking lever (22) set up the one end of keeping away from carriage release lever (17) in connecting rod (21), be equipped with the perforation on the spring bolt of main part (1), locking lever (22) are just to setting with the perforation, dead lever (16) cavity sets up, the fixed unit sets up in dead lever (16), the fixed unit has a plurality ofly, and each fixed unit sets up along the axis direction align to grid of dead lever (16), the fixed unit includes sleeve pipe (23), kelly (24) and third spring (25), sleeve pipe (23) set up in dead lever (16), the one end of kelly (24) is located sleeve pipe (23), outside sleeve pipe (23) were stretched out to the other end of kelly (24), be equipped with the draw-in groove on carriage release lever (17), kelly (24) stretch into the outer one end of sleeve pipe (23) and are located the draw-in groove, third spring (25) set up in sleeve pipe (23), the one end and the sleeve pipe (23) of third spring (25) are connected, the other end and the kelly (24) of third spring (25) are connected, the pulling unit includes slide bar (26), third magnet (27), An electromagnet (28), a first pull rope (29) and a second pull rope (30), wherein the slide bar (26) is arranged on the main body (1), the third magnet (27) is sleeved on the sliding rod (26), the third magnet (27) is connected with the sliding rod (26) in a sliding way, the electromagnet (28) is arranged on one side of the third magnet (27) far away from the fixed rod (16), the electromagnet (28) is arranged opposite to the third magnet (27), one end of the first pull rope (29) is connected with the third magnet (27), the other end of the first pull rope (29) extends into the fixed rod (16) to be connected with the fixed block (19), a plurality of second pull ropes (30) are arranged, each second pull rope (30) is arranged corresponding to each clamping rod (24), one end of the second pull rope (30) is connected with the clamping rod (24), and the other end of the second pull rope (30) extends into the fixing rod (16) to be connected with the first pull rope (29).

2. The anti-theft lock with fingerprint identification function according to claim 1 is characterized in that the body (1) is provided with a PLC inside, and the body (1), the fingerprint identifier (3) and the electromagnet (28) are all electrically connected with the PLC.

3. The anti-theft lock with fingerprint identification function according to claim 1 is characterized in that a sliding block (31) is arranged in the moving rod (17), a sliding groove is arranged on the moving rod (17), the sliding block (31) is positioned in the sliding groove, and the sliding block (31) is connected with the sliding groove in a sliding way.

4. The anti-theft lock with fingerprint identification function according to claim 3 is characterized in that there are two of said sliding blocks (31), two sliding blocks (31) are respectively arranged on both sides of the moving rod (17), there are two of said sliding grooves, and two sliding blocks (31) are respectively positioned in two sliding grooves.

5. The anti-theft lock with fingerprint identification function according to claim 4 is characterized in that the section of the sliding block (31) is dovetail type, and the sliding groove is dovetail groove.

6. The anti-theft lock with fingerprint identification function according to claim 1 is characterized in that there are two of said walking rods (5), two walking rods (5) are respectively arranged at two ends of the bottom plate (4), there are two of said first springs (6), and two first springs (6) are respectively sleeved on two walking rods (5).

7. The anti-theft lock with fingerprint recognition function according to claim 1 is characterized in that said sliding rods (26) are two, two sliding rods (26) are respectively arranged on both sides of the third magnet (27).

8. Anti-theft lock with fingerprint identification function according to claim 1 characterized in that said first spring (6) is a strong spring.

9. Anti-theft lock with fingerprint recognition according to claim 1, characterized in that said third spring (25) is in a compressed state.

10. The anti-theft lock with fingerprint recognition function according to claim 1, characterized in that the second pulling rope (30) is an elastic rope.