CN210370232U - Intelligent fingerprint lock with power-off protection function - Google Patents

Abstract

The utility model discloses an intelligence fingerprint lock that possesses power-off protection function, including the lock body, the lock body is equipped with fingerprint latch mechanism, is equipped with on the lock body and rotates lock core and lockpin support, is equipped with spacing fluted disc on the rotation lock core, and the lockpin support includes elastic expansion end, lockpin slide and a plurality of lockpin end, is equipped with a linkage row of teeth on the lockpin slide, is equipped with elasticity lock solid mechanism in the lock body, and fingerprint latch mechanism includes fingerprint control center, reaches first driving source and second driving source. The utility model discloses a rotate the mode that the motor of lock core and fingerprint latch mechanism combined together, improve the security under fingerprint latch mechanism trouble or the outage state. The locking structure of the intelligent fingerprint lock is realized by rotating the lock cylinder, and the motor and the rotating lock cylinder are in complementary interference with the driving of the lock pin support, so that the condition that the door cannot be opened due to motor faults can be prevented. The whole design is simple and ingenious, the layout is reasonable, the manufacturing is easy, and the cost is effectively controlled.

Description

Intelligent fingerprint lock with power-off protection function

Technical Field

The utility model relates to an intelligence fingerprint lock that possesses power-off protection function belongs to the technical field of security fingerprint lock.

Background

The fingerprint lock is an intelligent lock, and is a perfect crystal 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. With the popularization of science and technology and the development of smart homes, more and more people also start to select fingerprint locks.

The fingerprint lock is through the flexible function realization of motor to the drive of spring bolt, thereby realize unblanking and unblock function, when the circumstances such as outage or motor damage appear, the fingerprint lock can be in the locking state, can't realize the fingerprint authentication function, can't open under the state in order to prevent the outage, generally be through the mechanical unlocking structure of design cut-in type, peg graft through the key and realize, but the mechanical unlocking structure security of cut-in type is relatively poor, the safety problem appears very easily, in some burglary cases, lawless persons often unblock after through cutting off the power supply.

In the prior art, a chinese patent application publication No. CN108979342A discloses a fingerprint coded lock body, which is designed to eliminate a mechanical unlocking structure and perform an anti-theft design by providing a driving structure with two motors, and mainly aims to prevent a single motor from being damaged and then being unable to work normally, and in case of power failure, the lock body cannot be unlocked, needs another power supply, is high in cost, and is troublesome in maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art, to the problem that traditional fingerprint lock outage back mechanical lock structure was easily opened, provide the intelligent fingerprint lock that possesses outage protect function.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

the intelligent fingerprint lock with the power-off protection function comprises a lock body, wherein the lock body is provided with a fingerprint lock mechanism,

the lock body is provided with a rotary lock core and a lock pin support, the rotary lock core is provided with a limit fluted disc, the lock pin support comprises an elastic telescopic end, a lock pin sliding plate connected with the elastic telescopic end and a plurality of lock pin ends arranged on the lock pin sliding plate,

the lock pin sliding plate is provided with a linkage tooth row which is linked with the lock pin sliding plate in the telescopic direction of the lock pin end, the linkage tooth row has sliding displacement on the lock pin sliding plate which is vertical to the telescopic direction of the lock pin end, and the linkage tooth row is meshed with or separated from the limit fluted disc under the sliding displacement state of the linkage tooth row,

an elastic locking mechanism for abutting and meshing the linkage tooth row and the limit fluted disc is arranged in the lock body,

the fingerprint lock mechanism comprises a fingerprint control center, and a first driving source and a second driving source which are electrically connected with the fingerprint control center, wherein the first driving source is used for controlling the driving displacement of the reciprocating displacement of the lock pin support, and the second driving source is used for controlling the driving displacement of the elastic lock mechanism separated from the linkage gear row.

Preferably, the elastic locking mechanism comprises a support body, a telescopic column is arranged on the support body, one end of the telescopic column faces the linkage tooth row, the other end of the telescopic column interferes with the second driving source,

the telescopic column is provided with a limiting periphery positioned between the support body and the second driving source, and an elastic body used for maintaining the meshing connection between the linkage tooth row and the limiting fluted disc is arranged between the limiting periphery and the support body.

Preferably, a pulley body is arranged at one end, facing the linkage tooth row, of the telescopic column.

Preferably, the lock pin support comprises an auxiliary sliding plate connected with the elastic telescopic end, the auxiliary sliding plate and the lock pin sliding plate form a convex space, and the linkage tooth row, the rotary lock cylinder, the elastic locking mechanism, the first driving source and the second driving source are located in the convex space.

Preferably, the telescopic end of the first driving source is connected to the auxiliary slide.

Preferably, the rotary lock cylinder is a B-stage lock cylinder.

The beneficial effects of the utility model are mainly embodied in that:

1. the mode that the motor that adopts rotation lock core and fingerprint lock mechanism to combine together improves the security under the fingerprint lock mechanism trouble or the outage state.

2. The locking structure of the intelligent fingerprint lock is realized by rotating the lock cylinder, and the motor and the rotating lock cylinder are in complementary interference with the driving of the lock pin support, so that the condition that the door cannot be opened due to motor faults can be prevented.

3. The whole design is simple and ingenious, the layout is reasonable, the manufacturing is easy, and the cost is effectively controlled.

Drawings

Fig. 1 is the utility model discloses the structure schematic diagram of the intelligent fingerprint lock that possesses outage protect function.

Fig. 2 is a schematic structural diagram of the elastic locking mechanism of the present invention.

Detailed Description

The utility model provides an intelligence fingerprint lock that possesses outage protect function. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.

Possess power-off protection function's intelligent fingerprint lock, as shown in fig. 1 and fig. 2, including lock body 1, lock body 1 is equipped with fingerprint lock mechanism, is equipped with on the lock body 1 and rotates lock core 2 and lockpin support, rotates and is equipped with spacing fluted disc 3 on the lock core 2, and the lockpin support includes that elasticity stretches out and draws back end 4, lockpin slide 5 that links to each other with elasticity stretches out and draws back end 4 and set up a plurality of lockpin ends 6 on lockpin slide 5.

The lock pin sliding plate 5 is provided with a linkage tooth row 7, the linkage tooth row 7 is linked with the lock pin sliding plate 5 in the telescopic direction of the lock pin end 6, the linkage tooth row 7 has sliding displacement perpendicular to the telescopic direction of the lock pin end 6 on the lock pin sliding plate 5, and the linkage tooth row 7 is meshed with or separated from the limit fluted disc 3 under the sliding displacement state of the linkage tooth row 7.

An elastic locking mechanism 8 for abutting and meshing the linkage tooth row 7 and the limit fluted disc 3 is arranged in the lock body 1.

The fingerprint lock mechanism comprises a fingerprint control center, and a first driving source 9 and a second driving source 10 which are electrically connected with the fingerprint control center, wherein the first driving source 9 is provided with a driving displacement for controlling the reciprocating displacement of the lock pin support, and the second driving source 10 is provided with a driving displacement for controlling the separation of the elastic locking mechanism 8 and the linkage gear row 7.

The specific implementation process and principle description are as follows:

the rotary lock cylinder 2 is adopted as the lock cylinder of the intelligent fingerprint lock, and the safety of a mechanical lock cylinder structure is improved. This intelligence fingerprint lock carries out the locking operation through rotating lock core 2.

Explaining the unlocking and locking operation of the fingerprint lock mechanism, after fingerprint matching is carried out by a fingerprint control center, the second driving source 10 controls the elastic locking mechanism 8 to be separated from the row of teeth 7, the first driving source 9 drives the lock pin support to displace so as to separate the lock pin end 6 from the lock hole of the doorframe, thereby realizing the door opening operation, wherein when the first driving source 9 drives the lock pin support to displace, the linkage teeth 7 is in a movable state, in the displacement process, the rotary lock core 2 is in a locking state, the limit fluted disc 3 of the rotary lock core is contacted with the linkage teeth 7, the linkage teeth 7 is separated from a meshing state, the linkage teeth 7 moves along the lock pin sliding plate 5, when the door is closed, the first driving source 9 drives the lock pin support to displace to the lock pin end 6 to be locked with the lock hole of the doorframe, the second driving source 10 releases the elastic locking mechanism 8, and the elastic locking mechanism 8 is restored to be in a state of being meshed with the drive linkage teeth 7 and the limit, the interlocking teeth row 7 is locked by the rotary lock cylinder 2.

When power failure or failure of the fingerprint lock mechanism occurs, the lock cylinder 2 is rotated to be unlocked through a key, and the lock cylinder 2 is rotated to drive the linkage tooth row 7 to displace, so that the lock pin support is driven to displace.

In one embodiment, the elastic locking mechanism 8 includes a support body 81, and a telescopic column 82 is disposed on the support body 81, one end of the telescopic column 82 faces the linkage gear row 7, and the other end thereof interferes with the second driving source 10.

The telescopic column 82 is provided with a limiting periphery 83 located between the support body 81 and the second driving source 10, and an elastic body 84 for maintaining the meshing fit between the linkage gear row 7 and the limiting fluted disc 3 is arranged between the limiting periphery 83 and the support body 81.

Specifically, the elastic body 84 can maintain the close fit between the linkage gear row 7 and the limiting fluted disc 3, so that the locking pin bracket is ensured to be in a locking state, and the telescopic column 82 can be withdrawn only under the action of external force of the second driving source 10, so that the driving unlocking action of the first driving source 9 is realized.

In a preferred embodiment, the telescopic column 82 is provided with a pulley body 85 at the end facing the row of cooperating teeth 7. This pulley body 85 is used for rotating the smooth use of transmission of lock core 2 to linkage row of teeth 7, because flexible post 82 possesses to linkage row of teeth 7 ground pressure of offsetting greatly, has certain frictional force between the free end of linkage row of teeth 7 and flexible post 82, can eliminate certain frictional force through this pulley body 85, improves the smooth and easy nature of unblanking of rotating lock core 2.

In one embodiment, the pin holder includes an auxiliary slide 11 connected to the elastically stretchable end 4, the auxiliary slide 11 and the pin slide 5 form a convex space, and the interlocking teeth row, the rotary cylinder, the elastic locking mechanism, the first driving source, and the second driving source are located in the convex space.

This supplementary slide 11 and lockpin slide 5 cooperate for the lockpin support operation is more reliable stable, and spatial layout is more reasonable, easily the setting of inside device.

More finely, the telescopic end of the first driving source 9 is connected to the sub slide 5. The design of bilateral transmission is adopted, the first driving source 9 and the linkage gear row 7 are separated from the driving side, the setting difficulty is reduced, and the spatial layout is more reasonable.

And finally, the rotary lock cylinder 2 is a B-level lock cylinder and has better safety.

Can discover through the above description, the utility model discloses the intelligent fingerprint lock that possesses outage protect function adopts the mode that the motor that rotates lock core and fingerprint latch mechanism combines together, improves the security under fingerprint latch mechanism trouble or the power-off state. The locking structure of the intelligent fingerprint lock is realized by rotating the lock cylinder, and the motor and the rotating lock cylinder are in complementary interference with the driving of the lock pin support, so that the condition that the door cannot be opened due to motor faults can be prevented. The whole design is simple and ingenious, the layout is reasonable, the manufacturing is easy, and the cost is effectively controlled.

The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.

Claims (6)

1. An intelligent fingerprint lock with power-off protection function, comprising a lock body, and the lock body is provided with a fingerprint lock mechanism, characterized in that: The lock body is provided with a rotating lock cylinder and a lock pin bracket, the rotation lock cylinder is provided with a limit tooth plate, and the lock pin bracket includes an elastic telescopic end, a lock pin sliding plate connected with the elastic telescopic end, and a Several lock pin ends on the lock pin slide plate, The locking pin slide plate is provided with a linkage tooth row, and the linkage tooth row is linked with the locking pin slide plate in the extension and retraction direction of the locking pin end, and the linkage tooth row is provided on the locking pin slide plate with a The sliding displacement of the locking pin end is perpendicular to the telescopic direction, and the interlocking tooth row is engaged with or separated from the limit tooth plate under the sliding displacement state of the interlocking tooth row, The lock body is provided with an elastic locking mechanism for abutting and engaging the linkage tooth row with the limit tooth plate, The fingerprint lock mechanism includes a fingerprint control center, a first drive source and a second drive source that are electrically connected to the fingerprint control center, and the first drive source is provided with a drive displacement that controls the lock pin bracket to move back and forth. and the second driving source is provided with a driving displacement for controlling the separation of the elastic locking mechanism and the linkage tooth row. 2. The intelligent fingerprint lock with power-off protection function according to claim 1, is characterized in that: The elastic locking mechanism includes a bracket body on which a telescopic column is arranged, one end of the telescopic column faces the linkage tooth row, and the other end interferes with the second driving source, The telescopic column is provided with a limit periphery located between the bracket body and the second drive source, and between the limit periphery and the bracket body is provided for maintaining the linkage tooth row and the The elastic body is engaged and matched between the limit chainrings. 3. The intelligent fingerprint lock with power-off protection function according to claim 2, is characterized in that: One end of the telescopic column facing the linkage tooth row is provided with a pulley body. 4. The intelligent fingerprint lock with power-off protection function according to claim 1, is characterized in that: The locking pin bracket includes an auxiliary sliding plate connected with the elastic telescopic end, the auxiliary sliding plate and the locking pin sliding plate form a convex space, the interlocking tooth row, the rotating lock cylinder, the elastic locking mechanism, the first drive A source and a second drive source are located within the convex space. 5. The intelligent fingerprint lock with power-off protection function according to claim 4, characterized in that: The telescopic end of the first driving source is connected with the auxiliary sliding plate. 6. The intelligent fingerprint lock with power-off protection function according to claim 1, characterized in that: The rotating lock cylinder is a B-level lock cylinder.

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