CN207944813U - A fingerprint combination lock - Google Patents

Abstract

The utility model discloses a fingerprint coded lock, which comprises an outer lock body arranged outside a door body, wherein an outer handle is arranged on the outer lock body, a handle core capable of rotating circumferentially is arranged in the outer lock body, and the handle core is fixedly connected with the outer handle; a clutch is further arranged in the outer lock body, the clutch and the handle core are in transmission through a gear assembly, a control panel is mounted on the outer lock body, a code keyboard is arranged on the control panel, and a fingerprint module electrically connected with the control panel is arranged on the outer handle; the clutch is provided with an automatically ejected clutch pin, the outer lock body is also internally provided with an electric component which is electrically connected with the control panel, and the electric component is provided with a shifting block which can drive the clutch pin to reciprocate; the password or fingerprint unlocking mode is formed, a key does not need to be carried, the trip is convenient, the anti-theft performance is strong, and the safety is high; the clutch, the control panel and the electric component are all installed in the outer lock body, electromechanical integration is achieved, all parts are tightly matched, the size of a product is effectively reduced, and the attractiveness of the product is improved.

Description

A fingerprint combination lock

technical field

The utility model relates to a lock, in particular to a fingerprint combination lock.

Background technique

At present, the locks used on anti-theft doors are generally mechanical locks or electronic locks. The mechanical locks need a specific key to open. Therefore, people need to carry a large number of keys on their bodies. Misappropriated by criminals, low security.

And the electronic anti-theft lock in the prior art generally has increased electronic module on original mechanical lock, causes size to be much larger than general mechanical lock, and thick lock body has had a strong impact on the attractive in appearance of anti-theft door whole. In order to reduce the thickness, the internal structure of the lock is usually simplified, such as reducing the clutch structure or interlocking structure, resulting in the need to configure a mortice lock body with a clutch when installing an electronic anti-theft lock, which has poor versatility and low security. Therefore designing an electronic lock with less size and high safety is a problem to be solved urgently in the utility model.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a fingerprint combination lock with small size and high security.

The technical scheme that the utility model solves its technical problem adopts is:

A fingerprint combination lock, comprising an outer lock body installed on the outside of the door body, the outer lock body is provided with an outer handle, the outer lock body is provided with a handle core that can rotate in a circumferential direction, and the handle core It is fixedly connected with the outer handle; the outer lock body is also provided with a clutch, and the transmission between the clutch and the handle core is carried out through a gear assembly, and a control board is installed on the outer lock body, and the control board is provided with password keyboard, the outer handle is provided with a fingerprint module electrically connected to the control board; Assemblies, the electric assembly is provided with a shift block capable of driving the clutch pin to move back and forth.

The inner side of the door body is provided with an inner lock body, and the inner lock body is provided with buttons and a power supply module electrically connected with the control board.

The outer lock body is also provided with a handle return spring, the inside of the handle core is provided with a first boss, and the outer lock body is provided with a second boss similar or identical to the first boss, so Both ends of the return spring of the handle core are clamped between the first boss and the second boss.

The handle core is provided with a through hole, and two symmetrically distributed screws are arranged in the through hole, and the handle core is threadedly connected with the outer handle through the screws.

The wires of the fingerprint module are electrically connected to the control board through the through hole.

The clutch includes a plug and a rotating core arranged on the plug, the rotating core is connected with a rotating core reset mechanism; the side end of the plug is provided with a first clutch pin hole, and the side of the rotating core A second clutch pin hole corresponding to the first clutch pin hole is provided at the end; the middle part of the clutch pin has an outwardly protruding stopper, and the clutch pin is installed on the first clutch pin through a plug cap. In the hole, the first clutch pin hole is provided with a clutch pin return spring that drives the clutch pin to reset.

The bolt is provided with an arc-shaped chute, the rotating core reset mechanism is installed in the chute, the lower end of the rotating core has a pushing part that can be inserted into the chute, and the rotating core reset mechanism It includes two slider parts located on both sides of the push part, the push part pushes the slider part to slide in the chute, and the two slider parts are respectively connected with sliders that drive them to reset return spring.

The clutch also includes a reversing member installed on the rotating core. The side end of the reversing member protrudes outward to form a limit block, and the upper end of the pin member protrudes outward to form an arc-shaped limit platform. , the side end of the limiting block abuts against the side end of the limiting platform.

The electric assembly includes a base, and a motor and a drive block arranged on the base, the output shaft of the motor is connected to a drive shaft, one end of the drive block is provided with a spring cavity, and the other end is connected to the shift block , the drive shaft runs through the spring chamber, the spring chamber is provided with a drive spring surrounding the drive shaft, and the drive shaft is provided with a toggle rod passing through the drive spring vertically, the Two ends of the driving spring respectively abut against the side walls of the spring cavity.

The beneficial effects of the utility model are: the utility model installs the clutch, the control board and the electric components in the outer lock body, realizes electromechanical integration, closely cooperates between the parts, effectively reduces the size of the product, and improves the aesthetics of the product; and It adopts two electronic unlocking methods of fingerprint and password, no need to carry keys, convenient travel, strong anti-theft and high security.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of outer lock body;

Fig. 3 is the structural exploded view of clutch;

Figure 4 is an exploded sectional view of the clutch;

Fig. 5 is a schematic structural diagram of the electric assembly.

Detailed ways

Referring to Figures 1 to 5, a fingerprint combination lock includes an outer lock body 1 installed on the outside of the door, an outer handle 2 is arranged on the outer lock body 1, and a peripheral To the rotating handle core 3, the handle core 3 is fixedly connected with the outer handle 2; the outer lock body 1 is also provided with a clutch 4, and the clutch 4 and the handle core 3 are connected through a gear assembly 5 For transmission, a control panel 6 is installed on the outer lock body 1, a password keyboard 7 is provided on the control panel 6, and a fingerprint module 8 electrically connected to the control panel 6 is provided on the outer handle 2; The clutch 4 is provided with a clutch pin 9 that pops up automatically, and the outer lock body 1 is also provided with an electric component 10 electrically connected to the control board 6, and the electric component 10 is provided with a clutch pin 9 capable of driving the The reciprocating shifting block 11, the shifting block 11 is hung into the clutch through the clutch pin 9, so as to realize electromechanical integration, and the parts are closely matched. The clutch, control board and electric components are all installed in the outer lock body, which effectively reduces the size of the product and improves the aesthetics of the product; and adopts two electronic unlocking methods of fingerprint and password, which have high security. The inner side of the door body is provided with an inner lock body 12, and the inner lock body 12 is provided with a button and a power supply module electrically connected with the control panel 6, the button is a switch button in the prior art, and the power supply module is an existing The storage battery in the technology can be charged by USB, and provides working voltage for the control board 6 and the electric component 10 .

In this embodiment, the outer lock body 1 is also provided with a handle return spring 13, the handle return spring 13 is a torsion spring, and the inner side of the handle 3 is provided with a first boss 14, so The outer lock body 1 is provided with a second boss that is similar or identical to the first boss 14, and the two ends of the handle return spring 13 are clamped between the first boss 14 and the second boss. During the rotation of the handle core 3, the return spring 13 of the handle core will be deformed. When there is no external force, the elastic recovery of the handle core return spring 13 will drive the handle core 3 to reset. The handle core 3 is provided with a through hole 15, and two symmetrically distributed screws are arranged in the through hole 15, and the handle core 3 is threadedly connected with the outer handle 2 through the two screws. The transmission wire of the fingerprint module 8 is electrically connected to the control board 6 through the through hole 15 .

In this embodiment, the clutch 4 includes a plug 16 and a rotating core 17 arranged on the plug 16, the rotating core 17 is connected with a rotating core reset mechanism; the side end of the plug 16 is provided with The first clutch pin hole 18, the side end of the rotating core 17 is provided with the second clutch pin hole 19 corresponding to the first clutch pin hole 18; the middle part of the clutch pin 9 has an outwardly protruding stopper 20. The clutch pin 9 is installed in the first clutch pin hole 18 through a latch cap 21, and the latch cap 21 acts as a limit to the clutch pin 9 to prevent it from falling off. The first clutch pin hole 18 is provided with a clutch pin return spring 22 that drives the clutch pin 9 to reset, and the shift block 11 pushes the clutch pin 9 to insert into the second clutch pin hole 19, so that the latch 16 and the rotating core 17 are linked , the shifting block 11 resets, the clutch pin reset spring 22 elastically restores to drive the clutch pin 9 to reset, withdraws from the second clutch pin hole 19, realizes automatic reset, and has high safety, preventing the clutch pin 9 from being dragged in the second clutch pin hole 19 .

The latch 16 is provided with an arc-shaped chute 23, the rotating core reset mechanism is installed in the chute 23, and the lower end of the rotating core 17 has a pusher 24 that can be inserted into the chute 23, The rotating core reset mechanism includes two sliders 25 respectively located on both sides of the pushing part 24, the pushing part 24 pushes the sliders 25 to slide in the sliding groove 23, and the two sliding The block pieces 25 are respectively connected with slide block return springs 26 that drive the block pieces to reset. Regardless of whether the rotating core 17 rotates counterclockwise or clockwise, it always pushes a slider part 25 to compress the slider return spring 26 connected thereto. 17 resets, realize automatic reset, improve the safety of the clutch, and effectively prevent mechanical jamming.

The clutch 4 also includes a reversing member 27 installed on the rotating core 17, the rotating core 17 and the reversing member 27 can be connected through a square shaft to realize synchronous rotation, and the side ends of the reversing member 27 protrude to form a limit. Position block 28, the upper end of described latch member 16 protrudes outwards and forms the limit platform 29 of arc, when rotating, the side end of described limit block 28 is against the side end of described limit platform 29, and latch member 16 can The reversing member 27 is driven to rotate by the limiting platform 29 .

The electric assembly 10 includes a base 30, an upper cover 37 covered on the base 30, and a motor 31 and a drive block 32 arranged on the base 30, the output shaft of the motor 31 is connected with a drive shaft 33, so One end of the driving block 32 is provided with a spring chamber 34, and the other end is connected with the shifting block 11, the driving shaft 33 runs through the spring chamber 34, and the spring chamber 34 is provided with a ring surrounding the driving shaft 33. A driving spring 35, the driving shaft 33 is provided with a toggle rod 36 vertically passing through the driving spring 35, and the two ends of the driving spring 35 respectively abut against the side walls of the spring cavity 34. Adopt motor 31 as power unit, also can adopt other power unit to make drive shaft 33 rotate, when unblanking, after the fingerprint module 8 of outer handle 2 or the password keyboard 7 verifications on the panel, control board 6 sends drive signal, motor 31 In this embodiment, the motor 31 is connected to the drive shaft 33 through a reduction gear set, and the toggle lever 36 on the drive shaft 33 toggles the drive spring 35, thereby driving the drive block 32 to move forward, and the shift block 11 will The clutch pin 9 is pressed into the second clutch pin hole 19, which can realize the synchronous rotation of the latch 16 and the rotating core 17, press the outer handle 2, and through the transmission of the gear assembly, the handle core 3 and the latch 16 rotate in the same direction. Drive rotating core 17 simultaneously through square shaft transmission, make mortise lock lock body unlock. When not verifying, press down the outer handle 2, only the handle core 3 and the latch part 16 rotate, and because the clutch pin 9 is not pressed into the second clutch pin hole 19, the rotating core 17 does not act. When closing the lock, the reverse pull outer handle 2 is driven by the gear assembly, the handle core 3 and the latch part 16 rotate in the same direction, and drive the reversing part 27 to rotate, and the reversing part 27 drives the mortise lock body to close through the square shaft transmission. Lock. The rotating core reset mechanism drives the rotating core 17 to reset, no matter whether the motor rotates forward or reverse, the rotation is overtime or a certain rotation deviation is accumulated, there will be no phenomena such as being stuck and unable to rotate, which improves the reliability of the product. The motor assembly 10 is located in the outer lock body 1, and the motor assembly 10 itself is closed by the base 30 and the upper cover 37, which effectively prevents technical unlocking and improves the security of the fingerprint combination lock.

The above embodiments cannot limit the scope of protection of the present invention, and equivalent modifications and changes made by those in the technical field without departing from the overall concept of the present invention still fall within the scope of the present invention.

Claims (9)

1. a kind of finger-print puzzle lock includes the outer lock body on the outside of door body（1）, the outer lock body（1）On be provided with outer hold Hand（2）, the outer lock body（1）Inside it is provided with the handle core that can be circumferentially rotated（3）, the handle core（3）With outer handle（2）It is fixed Connection；The outer lock body（1）Inside it is additionally provided with clutch（4）, the clutch（4）With handle core（3）Between pass through gear set Part（5）It is driven, it is characterised in that the outer lock body（1）On control panel is installed（6）, the control panel（6）On be provided with Code keyboard（7）, the outer handle（2）On be provided with and the control panel（6）The fingerprint module of electrical connection（8）；The clutch Device（4）It is provided with the on-of pin of automatic spring（9）, the outer lock body（1）It is inside additionally provided with and the control panel（6）Electrical connection Electric assembly（10）, the electric assembly（10）The on-of pin can be driven by being provided with（9）The shifting block of reciprocating movement（11）.

2. finger-print puzzle lock according to claim 1, it is characterised in that be provided with interior lock body on the inside of the door body（12）, The interior lock body（12）Be provided with button and with the control panel（6）The power supply module of electrical connection.

3. finger-print puzzle lock according to claim 1 or 2, it is characterised in that the outer lock body（1）Inside it is additionally provided with handle Core resetting spring（13）, the handle core（3）Inside be provided with first boss（14）, the outer lock body（1）It is provided with and the One boss（14）Identical second boss, the handle core resetting spring（13）Both ends be clamped in the first boss（14） Between second boss.

4. finger-print puzzle lock according to claim 3, it is characterised in that the handle core（3）It is provided with irregularly-shaped hole（15）, The irregularly-shaped hole（15）Inside it is provided with two symmetrical screws, the handle core（3）It is held outside with described by the screw Hand（2）It is threadedly coupled.

5. finger-print puzzle lock according to claim 4, it is characterised in that the fingerprint module（8）Conducting wire pass through it is described different Shape hole（15）With the control panel（6）Electrical connection.

6. finger-print puzzle lock according to claim 5, it is characterised in that the clutch（4）Including pin member（16）With set It sets in the pin member（16）On rotating core（17）, the rotating core（17）It is connected with rotating core resetting-mechanism；The bolt Part（16）Side be provided with the first clutch pin hole（18）, the rotating core（17）Side be provided with and first on-of pin Hole（18）Corresponding second clutch pin hole（19）；The on-of pin（9）Middle part have evagination limiting section（20）, it is described from Dowel pin（9）Pass through bolt sealing cap（21）Mounted on the first clutch pin hole（18）It is interior, the first clutch pin hole（18）Inside set It is equipped with and drives the on-of pin（9）The on-of pin resetting spring of reset（22）.

7. finger-print puzzle lock according to claim 6, it is characterised in that the pin member（16）It is provided with the sliding slot of arc （23）, the rotating core resetting-mechanism is mounted on the sliding slot（23）It is interior, the rotating core（17）Lower end have can be inserted into institute State sliding slot（23）Interior pushing part（24）, the rotating core resetting-mechanism is located at the pushing part including two（24）Both sides Sliding block part（25）, the pushing part（24）Push the sliding block part（25）In the sliding slot（23）Interior sliding, two cunnings Block part（25）It is connected separately with the sliding block resetting spring for driving it to reset（26）.

8. the finger-print puzzle lock described according to claim 6 or 7, it is characterised in that the clutch（4）Further include being mounted on institute State rotating core（17）On reversing piece（27）, the reversing piece（27）Side evagination form limited block（28）, the pin member （16）Upper end spirogyrate camber limiting stand（29）, when rotation, the limited block（28）Side be against the limiting stand （29）Side.

9. finger-print puzzle lock according to claim 5, it is characterised in that the electric assembly（10）Including pedestal（30）, with And it is arranged in the pedestal（30）On motor（31）And drive block（32）, the motor（31）Output shaft be connected with drive shaft （33）, the drive block（32）One end be provided with spring cavity（34）, the other end and the shifting block（11）Connection, the drive shaft （33）Through the spring cavity（34）, the spring cavity（34）It is inside provided with and is looped around the drive shaft（33）On driving spring （35）, the drive shaft（33）On be provided with and pass perpendicularly through the driving spring（35）Poke rod（36）, the driving spring （35）Both ends be against the spring cavity respectively（34）Side wall on.