CN212336969U - Fingerprint padlock - Google Patents

Abstract

The utility model discloses a fingerprint padlock, including lower lock shell, last lock shell and micro motor, the top surface of lower lock shell and the bottom surface of locking the shell are equipped with the recess, open the draw-in groove that matches each other in the recess, and the top surface of lower lock shell and the bottom surface fixed connection of locking the shell, be equipped with the lock beam spout and the padlock slot that opens and shuts in the top surface recess of lower lock shell, and lock beam spout and padlock slot that opens and shuts lie in the right-hand member of lower lock shell and last lock shell, sliding connection has the stiff end of lock beam, its characterized in that in the lock beam spout: be equipped with the lock beam breach on the stiff end of lock beam, and the surface of the both ends side perpendicular to lock beam of lock beam breach for when criminals used the instrument of unblanking to insert from the top of lock beam spout, can't push down the latch hook along the lock beam breach, ensured the reliability of fingerprint padlock.

Description

Fingerprint padlock

Technical Field

The utility model relates to a fingerprint padlock technical field specifically is a fingerprint padlock.

Background

Fingerprint padlocks are intelligent locks, which are perfect crystals of computer information technology, electronic technology, mechanical technology and modern hardware technology. The characteristics of fingerprints become the most important evidence for identity identification and are widely applied to the fields of public security criminal investigation and judicial law. The fingerprint authentication has the characteristics of convenience, rapidness, accuracy and the like. Along with the popularization of science and technology, the development of intelligent house, more and more crowds also begin to select the fingerprint tool to lock, and the fingerprint padlock passes through fingerprint identification module and compares his fingerprint characteristic and the fingerprint characteristic of preserving in advance, just can verify his true identity, and when passing through the verification, fingerprint identification module drive power supply is the micro motor power supply, drives the micro motor operation through micro motor, shifts out the spring bolt that blocks in the lock beam breach to release the lock beam.

The breach of lock beam uses the arc structure for opening and shutting in the fingerprint padlock of using at present, just so given the criminal and can take advantage of the machine, and when the criminal use tools, the top from the lock beam spout inserts along the lock beam spout, just can shift out the spring bolt along curved breach to open the padlock, make the fingerprint padlock stolen easily, greatly reduced the reliability of fingerprint padlock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fingerprint padlock to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fingerprint padlock comprises a lower lock shell, an upper lock shell and a micro motor, wherein grooves are formed in the top surface of the lower lock shell and the bottom surface of the upper lock shell, clamping grooves which are matched with each other are formed in the grooves, the top surface of the lower lock shell is fixedly connected with the bottom surface of the upper lock shell, a lock beam sliding groove and a padlock opening and closing slot are formed in the groove in the top surface of the lower lock shell, the lock beam sliding groove and the padlock opening and closing slot are located at the right ends of the lower lock shell and the upper lock shell, a fixed end of a lock beam is connected in the lock beam sliding groove in a sliding mode, a lock beam notch is formed in the fixed end of the lock beam, the side faces of two ends of the lock beam notch are perpendicular to the surface of the lock beam, a square groove is formed in the middle section of the lock beam sliding groove, the position of the square groove corresponds to the position of the lock beam when the lock;

the lock comprises a lock body, a lock beam sliding groove, a lower lock shell, a lock hook, a lower lock shell, a spring mounting groove and a compression spring, wherein the top surface of the lock hook is provided with an arc-shaped clamping groove, the groove wall of the arc-shaped clamping groove is overlapped with the bottom of the lock beam sliding groove, the width of the arc-shaped clamping groove is the same as the width of the lock beam gap, one side of the lock hook, which is close to the side wall of the lower lock shell, is fixedly connected with a rotating shaft, the inner sides of the lower lock shell and the upper lock shell are provided with semicircular grooves corresponding to the rotating shaft, one side of the lock hook, which is far away from the side wall;

the micro motor is fixedly connected in the lower lock shell and positioned between the lock beam sliding groove and the padlock opening and closing slot, an output shaft of the micro motor is arranged inwards, a lock tongue is connected to the top end of the output shaft in a key mode, a lock tongue shifting block is fixedly connected to one side, close to the lock beam sliding groove, of the outer wall of the lock tongue, and the side faces of the two ends of the lock beam notch are perpendicular to the surface of the lock beam, so that when a criminal inserts the lock beam from the upper side of the lock beam sliding groove by using an unlocking tool, the lock hook cannot be pressed down along the lock beam notch, and the reliability of;

in a preferred embodiment, a mechanical lock cylinder fixing groove is formed in the left side of the lower lock shell, a mechanical lock cylinder is fixedly installed in the mechanical lock cylinder fixing groove, a shifting lever of the mechanical lock cylinder faces inwards, the right end of the shifting lever is located above the left end of the shifting piece, and the mechanical lock cylinder can be used for unlocking the padlock when the fingerprint identification module and the micro motor are enabled to be invalid;

in a preferred embodiment, one side that the external wall of spring bolt was kept away from the lock beam spout is equipped with the spacing ring, the tank bottom of lower lock shell is equipped with spacing fixture block, and just spacing fixture block is located the spacing ring under, can restrict the turned angle of spring bolt, prevents that spring bolt turned angle is too big, leads to the spring bolt shifting block slippage, ensures the stable operation of unlocking mechanism.

In a preferred embodiment, be equipped with fingerprint identification module mount pad in the lock shell down, fixed mounting has fingerprint identification module on the fingerprint identification module mount pad, the micro motor is connected to fingerprint identification module electricity.

In a preferred embodiment, the top surface of the upper lock case is provided with a square through hole at a position corresponding to the fingerprint identification module.

In a preferred embodiment, a compression spring is fixedly connected between the fixed end of the lock beam and the groove bottom of the lock beam sliding groove, so that the lock beam can be directly bounced when the lock hook is pressed down, and the using effect of the padlock is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the both ends side perpendicular to surface of lock beam breach for when criminal used the appurtenance to insert from the top of lock beam spout, can't push down the latch hook along the lock beam breach, the reliability of fingerprint padlock has been ensured, when guaranteeing fingerprint identification module and micro motor inefficacy through the mechanical lock core, can open the padlock through the key, the setting of spacing fixture block and spacing ring, can restrict the turned angle of spring bolt, prevent that the spring bolt turned angle is too big, lead to the spring bolt shifting block slippage, ensure the locking mechanism steady operation.

Drawings

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

Fig. 2 is a schematic structural diagram of an electric unlocking mechanism in a fingerprint padlock.

Fig. 3 is a schematic structural view of a section a-a in fig. 2.

Fig. 4 is a schematic structural diagram of a lock tongue limiting mechanism in a fingerprint padlock.

Description of the figures

The lock comprises a lower lock shell 1, an upper lock shell 2, a mechanical lock cylinder 3, a fingerprint identification module 4, a lock hook 5, a lock beam 6, a micro motor 7, a lock tongue 8, a lock beam sliding groove 11, a padlock opening and closing slot 12, a mechanical lock cylinder fixing groove 13, a fingerprint identification module fixing seat 14, a limiting clamping block 18, an arc-shaped clamping groove 51, a rotating shaft 52, a shifting piece 53, a spring mounting groove 54, a lock beam notch 61, a lock tongue shifting block 81 and a lock tongue limiting ring 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, please refer to fig. 1 of the present invention, which includes a lower lock case 1, an upper lock case 2 and a micro motor 7, wherein a groove is formed on a top surface of the lower lock case 1 and a bottom surface of the upper lock case 2, a slot matching with each other is formed in the groove, the top surface of the lower lock case 1 and the bottom surface of the upper lock case 2 are fixedly connected, a lock beam chute 11 and a padlock opening and closing slot 12 are formed in the groove on the top surface of the lower lock case 1, the lock beam chute 11 and the padlock opening and closing slot 12 are located at right ends of the lower lock case 1 and the upper lock case 2, a fixed end of a lock beam 6 is slidably connected to the lock beam chute 11, a movable end of the lock beam 6 can be inserted into the padlock opening and closing slot 12 when the lock beam 6 is locked, a lock beam notch 61 is formed on the fixed end of the lock beam 6, side surfaces of both ends of the lock beam notch 61 are, the position of the square groove is arranged at the position of the lock beam notch 61 when the lock beam 6 slides to the innermost end of the lock beam sliding groove 11, and the lock hook 5 is arranged in the middle square groove of the lock beam sliding groove 11;

the top surface of the lock hook 5 is provided with an arc-shaped clamping groove 51, the groove wall of the arc-shaped clamping groove 51 is overlapped with the bottom of the lock beam sliding groove 11, the width of the arc-shaped clamping groove 51 is the same as that of the lock beam notch 61, one side of the lock hook 5, which is close to the side wall of the lower lock shell 1, is fixedly connected with a rotating shaft 52, the inner sides of the lower lock shell 1 and the upper lock shell 2 are provided with semicircular grooves corresponding to the rotating shaft 52, the rotating shaft 52 can rotate in the semicircular grooves of the upper lock shell 1 and the lower lock shell 2, one side of the lock hook 5, which is far away from the side wall of the lower lock shell 1, is fixedly connected with a shifting piece 53, the shifting piece 53 is positioned at the side surface of the lock hook 5, which is close to the lower end, the center of;

the micro motor 7 is fixedly connected in the lower lock shell 1 and is positioned between the lock beam sliding groove 11 and the padlock opening and closing slot 12, the output shaft of the micro motor 7 is arranged inwards, the top end of the output shaft is in key connection with the lock tongue 8, one side, close to the lock beam sliding groove 11, of the outer wall of the lock tongue 8 is fixedly connected with a lock tongue shifting block 81, the lock tongue 8 is positioned right above the right end of the shifting piece 53, when the lock tongue 8 rotates anticlockwise, the lock tongue shifting block 81 can press down the shifting piece 53, so that the lock hook 5 is pressed down, the arc-shaped clamping groove 51 on the top surface of the lock hook 5 is superposed with the bottom of the lock beam sliding groove 11, the lock beam 6 is released, so that the lock is unlocked, then the lock tongue 8 is reset, the lock hook 5 is pressed into the square groove by the fixed end of the lock beam 6, when the lock beam 6 is pressed inwards until the innermost end, the lock beam notch 61 is superposed with, the side surfaces of the two ends of the lock beam notch 61 are perpendicular to the surface of the lock beam 6, so that when a criminal inserts the lock beam from the upper part of the lock beam chute 11 by using an unlocking tool, the lock hook 5 cannot be pressed down along the lock beam notch 61, and the reliability of the fingerprint padlock is ensured;

a mechanical lock cylinder fixing groove 13 is formed in the left side of the lower lock shell 1, a mechanical lock cylinder 3 is fixedly installed in the mechanical lock cylinder fixing groove 13, a shifting lever of the mechanical lock cylinder 3 faces inwards, the right end of the shifting lever is located above the left end of the shifting piece 53, and the mechanical lock cylinder 3 can be used for unlocking the padlock when the fingerprint identification module 4 and the micro motor 7 are enabled to be invalid;

one side that the external wall of spring bolt 8 was kept away from lock beam spout 11 is equipped with spacing ring 82, the tank bottom of lower lock shell 1 is equipped with spacing fixture block 18, and just spacing fixture block 18 is located the spacing ring 82 under, can restrict the turned angle of spring bolt 8, prevents that spring bolt 8 turned angle is too big, leads to spring bolt shifting block 81 slippage, ensures the locking mechanism steady operation.

Be equipped with fingerprint identification module mount pad 14 in the lower lock shell 1, fixed mounting has fingerprint identification module 4 on the fingerprint identification module mount pad 14, micro motor 7 is connected to fingerprint identification module 4 electricity.

The top surface of the upper lock shell 2 is provided with a square through hole corresponding to the position of the fingerprint identification module.

And a compression spring is fixedly connected between the fixed end of the lock beam 6 and the bottom of the lock beam sliding groove 11, so that the lock beam 6 can be directly bounced when the lock hook 5 is pressed down, and the using effect of the padlock is improved.

The utility model discloses a theory of operation is: the fingerprint padlock compares his fingerprint characteristics and fingerprint characteristics preserved in advance through the fingerprint identification module, just can verify his true identity, when passing the verification, fingerprint identification module drive power supply is the micro motor power supply, drive the micro motor operation through micro motor, spring bolt 8 anticlockwise rotation, spring bolt shifting block 81 can push down plectrum 53, thereby push down latch hook 5, make the arc draw-in groove 51 of latch hook 5 top surface coincide with the bottom of lock beam spout 11, relieve lock beam 6, thereby unblank, then spring bolt 8 resets, latch hook 5 is pressed into in the square groove by the stiff end of lock beam 6, press in inwards as lock beam 6, until innermost, lock beam breach 61 coincides with lock hook 5, latch hook 5 upwards under bottom compression spring's effect, the card is gone into in the lock beam breach.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a fingerprint padlock, includes lock shell (1), locks shell (2) and micro motor (7) down, the top surface of lock shell (1) down is equipped with the recess with the bottom surface of locking shell (2), opens in the recess and is equipped with the draw-in groove of mutual matching, and the top surface of lock shell (1) down and the bottom surface fixed connection of locking shell (2), be equipped with lock beam spout (11) and padlock slot (12) that open and shut in the top surface recess of lock shell (1) down, and lock beam spout (11) and padlock slot (12) that open and shut are located the right-hand member of lock shell (1) down and locking shell (2), sliding connection has the stiff end of lock beam (6) in lock beam spout (11), its characterized in that: a lock beam notch (61) is formed in the fixed end of the lock beam (6), the side faces of two ends of the lock beam notch (61) are perpendicular to the surface of the lock beam (6), a square groove is formed in the middle section of the lock beam sliding groove (11), the position of the square groove corresponds to the position of the lock beam notch (61) when the lock beam (6) slides to the innermost end of the lock beam sliding groove (11), and a lock hook (5) is installed in the square groove in the middle section of the lock beam sliding groove (11);

the lock comprises a lock hook (5) and is characterized in that an arc-shaped clamping groove (51) is formed in the top surface of the lock hook (5), the groove wall of the arc-shaped clamping groove (51) coincides with the bottom of a lock beam sliding groove (11), the width of the arc-shaped clamping groove (51) is the same as that of a lock beam notch (61), a rotating shaft (52) is fixedly connected to one side, close to the side wall of a lower lock shell (1), of the lock hook (5), a semicircular groove is formed in the position, corresponding to the rotating shaft (52), of the inner side of the lower lock shell (1) and the position, corresponding to the rotating shaft (52), of an upper lock shell (2), a shifting piece (53) is fixedly connected to one side, far away from the side wall of the lower lock shell (1), the shifting piece (53) is located at the side face of the lock hook (5) close to the lower end, a spring mounting groove (;

micro motor (7) fixed connection is in lower lock shell (1), and it is located lock beam spout (11) and padlock slot (12) that open and shut, the output shaft of micro motor (7) sets up inwards, and its output shaft top key is connected with spring bolt (8), one side fixedly connected with spring bolt shifting block (81) that the outer wall of spring bolt (8) is close to lock beam spout (11).

2. The fingerprint padlock of claim 1, wherein: a mechanical lock cylinder fixing groove (13) is formed in the left side of the lower lock shell (1), a mechanical lock cylinder (3) is fixedly mounted in the mechanical lock cylinder fixing groove (13), a shifting rod of the mechanical lock cylinder (3) faces inwards, and the right end of the shifting rod is located above the left end of the shifting piece (53).

3. The fingerprint padlock of claim 1, wherein: one side of the outer wall of the lock tongue (8) far away from the lock beam sliding groove (11) is provided with a limiting ring (82), the bottom of the lower lock shell (1) is provided with a limiting fixture block (18), and the limiting fixture block (18) is located under the limiting ring (82).

4. The fingerprint padlock of claim 1, wherein: be equipped with fingerprint identification module mount pad (14) in lower lock shell (1), fixed mounting has fingerprint identification module (4) on fingerprint identification module mount pad (14), micro motor (7) are connected in fingerprint identification module (4) electricity.

5. The fingerprint padlock of claim 4, wherein: the top surface of the upper lock shell (2) is provided with a square through hole corresponding to the position of the fingerprint identification module.

6. The fingerprint padlock of claim 1, wherein: and a compression spring is fixedly connected between the fixed end of the lock beam (6) and the bottom of the lock beam sliding groove (11).

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