CN207115529U - Fingerprint notebook and its locking and unlocking device - Google Patents

Abstract

The utility model provides a fingerprint notebook and a locking and unlocking device thereof. In the locking and unlocking device, by setting the control unit, fingerprint recognition unit, micro switch, motor, movable lock buckle and fixed lock buckle, and by the mutual cooperation of the control unit, fingerprint recognition unit, micro switch and motor, the movable lock buckle and the fixed lock buckle are realized to realize the connection and separation of the cover plate and the lock body, thereby realizing the confidentiality of the content recorded in the notebook. The fingerprint notebook is unlocked by fingerprint, which is highly safe and convenient.

Description

Fingerprint notebook and its locking and unlocking device

technical field

The utility model relates to the technical field of intelligent locks, in particular to a locking and unlocking device and a fingerprint notebook using the locking and unlocking device.

Background technique

At present, some important things or to-do items can be recorded by using a notebook. In order to ensure that the items recorded in the notebook are not seen by others and to ensure the effective confidentiality of the recorded items, mechanical code locks or other forms of code locks are generally used. Prevent the notebook from being opened by others through a password lock. However, mechanical combination locks are easy to be cracked or physically damaged, and it is difficult to effectively achieve the requirement of confidentiality.

Utility model content

The primary purpose of the utility model is to provide a locking and unlocking device with simple structure and easy operation.

Another object of the present utility model is to provide a fingerprint notebook using the above-mentioned locking and unlocking device.

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

A locking and unlocking device, comprising a lock body and a sealing plate matched and connected with the lock body; the lock body includes a housing, and a control unit, a motor, a fingerprint recognition unit, a micro switch, and a movable lock are all arranged in the housing. buckle, and a power supply assembly for supplying power to the lock body; a gap is opened on the front side plate of the housing opposite to the sealing plate, and the motor, the fingerprint recognition unit, and the micro switch are all electrically connected to the control unit, The movable lock is connected to the motor and driven to rotate by the motor; the sealing plate is provided with a fixed lock corresponding to the relief gap, and a trigger mechanism is provided corresponding to the contact of the micro switch, and the trigger The mechanism can touch the contact of the micro switch when the sealing plate is gradually approaching the housing, and the fixed lock can extend into the relief gap to connect with the movable lock; the control unit is used to close the sealing plate to the After the housing and the trigger mechanism touch the contact of the micro switch, the motor is driven to rotate the movable lock to pull the fixed lock to the inside of the housing, thereby realizing the locking of the sealing plate and the lock body; or, After successful authentication by the fingerprint identification unit, the motor is driven to reversely rotate the movable lock to separate it from the fixed lock and release the lock between the sealing plate and the lock body.

Preferably, the housing includes an upper shell and a lower shell that are snap-connected to each other, and the upper shell is set on the lower shell; two sides of the lower shell are respectively provided with a plurality of hooks, so that Corresponding to the hook, the upper shell is provided with a buckle that is engaged with the hook.

Preferably, the lock body further includes a setting button electrically connected to the control circuit and used for setting fingerprints, and a button hole is opened on the front side plate of the upper case corresponding to the setting button, and the setting button is embedded in the button hole and The part of the setting button that is not exposed to the casing or protrudes from the button hole protrudes from the upper casing.

Preferably, a contact hole is provided on the front side plate of the upper case, and the contact of the micro switch is exposed to the upper case through the contact hole; the trigger mechanism can be Actively acts on the boss of the contact.

Preferably, the contacts of the movable lock and the micro switch are distributed axially along the output shaft of the motor at positions corresponding to the relief gaps, and both are located in the housing; the trigger mechanism is a part of the fixed lock.

Preferably, the motor is a stepping motor, one end of the movable lock is connected to the output shaft of the stepping motor through a rotating roller, and the other end is bent to form a hook, and the hook is rotatably hooked to the Secure the buckle.

Preferably, the fixed lock is a U-shaped lock, which defines a slit with the inner side of the sealing plate; two movable locks are provided on the rotating roller along the axial direction, and the two movable locks are Respectively protrude from both ends of the U-shaped lock into the slit to hook the U-shaped lock.

Preferably, the locking and unlocking device further includes a circuit board, and the matching circuits of the control unit, the fingerprint recognition unit and the micro switch are all arranged on the circuit board.

Preferably, the power supply component includes a rechargeable battery and its charging circuit, and the charging circuit is arranged on the circuit board.

In addition, a fingerprint notebook is also provided, which includes a front cover and a back cover which are arranged up and down and are connected with a longitudinal side, and a notebook body, and are connected with the other longitudinal side of the front cover and the back cover to sandwich the notebook body. The locking and unlocking device inside it.

Compared with the prior art, the solution of the utility model has the following advantages:

The fingerprint notebook of the utility model, through the mutual cooperation of the control unit, the fingerprint recognition unit, the micro switch and the motor in the locking and unlocking device, automatically connects or separates the movable lock and the fixed lock, so as to realize the notebook cover and the back cover accordingly. Separate or lock to meet the need of confidentiality.

In the locking and unlocking device, the housing of the lock body adopts the mode of snap-fit connection between the upper shell and the lower shell, which facilitates the assembly of the lock body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and will become apparent from the description, or may be learned by practice of the invention.

Description of drawings

The above-mentioned and/or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is a perspective view of an embodiment of the locking and unlocking device of the present invention;

Fig. 2 is an exploded view of the locking and unlocking device shown in Fig. 1;

Fig. 3 is a perspective view of the upper case of the locking and unlocking device shown in Fig. 1;

Fig. 4 is an exploded view of another embodiment of the locking and unlocking device of the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

Embodiment one

As shown in Figures 1 to 3, the utility model discloses a locking and unlocking device 100, which can be applied to a fingerprint notebook to realize the security function of the notebook. The locking and unlocking device 100 includes a lock body 10 and a sealing plate 20 matched with the lock body 10 (that is, locked or separated).

The lock body 10 includes a housing (unnumbered, the same below), a control unit (not shown in the figure, the same below), a fingerprint identification unit 15, a micro switch, a motor 14, and a movable lock 16 all arranged in the housing. As well as a power supply assembly for supplying power to the functional components in the lock body 10, the fingerprint recognition unit 15, micro switch and motor 14 are all electrically connected to the control unit.

The housing is elongated and includes a lower shell 12 and an upper shell 11 covering the lower shell 12. A plurality of hooks 19 are provided on both sides of the lower shell 12 in the longitudinal direction. The upper shell 11 The front side plate facing the cover plate 20 is provided with a gap 111 and a contact hole 112, and corresponding to the hook 19 is provided with a buckle that is interlocked with the hook 19. The upper shell 11 and the lower shell 12 are snap-connected by means of hooks 19 and buckles. A transparent window 114 is opened on the top of the upper case 11 for installing the fingerprint collection element of the fingerprint recognition unit 15 .

The housing is also provided with a circuit board 13 fixed on the lower housing 12 . The control unit, the micro switch, and the matching circuit of the fingerprint recognition unit 15 are all arranged on the circuit board 13 .

Preferably, the lock body 10 further includes a setting button electrically connected to the control unit, which is used for setting fingerprint information. A button hole 113 is opened on the front side plate of the upper case, and the setting button is embedded in the button hole 113 and is not exposed to the casing or partially exposed on the front side of the upper case. When the setting button is not exposed to the housing, the user can press the setting button by inserting a needle-shaped tool into the button hole 113 , and then perform fingerprint entry or deletion operations. Specifically, the functions of fingerprint entry and clearing can be respectively realized by long pressing and short pressing.

The contact 19 of the micro switch protrudes from the contact hole 112 and is exposed on the front side plate of the housing, and the micro switch outputs a corresponding electrical signal when the contact 19 is pressed. into the control unit.

The motor 14 is preferably a stepper motor 14 , the output shaft of which is connected with a rotating roller 17 . One end of the movable lock 16 is connected to the rotating roller 17, and the other end is bent to form a hook. The movable lock 16 rotates synchronously when the motor 14 rotates.

The side of the sealing plate 20 facing the housing is provided with the fixing latch 21 corresponding to the relief notch 111 , and a trigger mechanism, which is preferably a boss 22 , corresponding to the contact hole 112 . The fixed lock 21 can protrude into the housing through the relief notch 111 when the sealing plate 20 is close to the housing, and can be hooked by the hook of the movable lock 16 and pulled into the housing. The boss 22 can press the contact 19 of the micro switch when the sealing plate 20 is close to the housing.

The working principle of the locking and unlocking device of the present utility model is:

When locking, after the sealing plate 20 is close to the housing and the boss 22 touches the microswitch contact 19, the microswitch outputs a corresponding electrical signal to the control unit, and the control unit outputs a control signal to start The motor 14 rotates the movable lock 16 in the forward direction, so that it hooks the fixed lock 21 and pulls it toward the inside of the housing, thereby realizing the locking of the sealing plate 20 and the lock body 10 .

When unlocking, the fingerprint identification unit 15 outputs a corresponding electrical signal to the control unit after acquiring the user’s fingerprint and authentication is successful, and then the control unit drives the motor 14 to reversely rotate the movable lock 16 to separate it from the fixed lock 21 And release the locking of the sealing plate 20 and the lock body 10, even if the sealing plate 20 is separated from the lock body 10.

Preferably, the fixed lock 21 is a U-shaped lock, which defines a slit with the sealing plate 20, and the movable lock 16 is provided with two on the rotating roller 17 in the axial direction, and the two The movable lock 16 protrudes into the slit from both ends of the U-shaped lock to hook the U-shaped lock.

Preferably, the power supply assembly includes a rechargeable battery 18 and its charging circuit, and the charging circuit is arranged on the circuit board 13 .

Preferably, the circuit board 13, the rotating roller 17, the motor 14, and the rechargeable battery 18 are sequentially fixed on the lower case 12 along the longitudinal direction of the lower case 12, and the charging interface 121 of the rechargeable battery 18 is located near the circuit board 13. one end.

Embodiment two

Please refer to Fig. 4, in this embodiment, the locking and unlocking device 100 is similar to that of Embodiment 1, the difference is that the setting position of the contact 19 of the micro switch and the trigger mechanism on the sealing plate 20 are the same as those of Embodiment 1 s difference.

In this embodiment, the contact 20 of the micro switch and the movable lock 16 are arranged at positions corresponding to the relief notch 111 along the axial direction of the output shaft of the motor 14 , and both are located in the housing. The trigger mechanism is a part of the above-mentioned fixed buckle, which can extend into the relief gap 111 and touch the contact 19 when the sealing plate 20 is close to the lock body, so that the motor 14 can rotate the movable lock Buckle 16 is hooked to the fixed catch and pulled inwards.

By setting the contact 19 of the micro switch at the gap 111 and inside the housing, on the one hand, the openings on the housing can be reduced (that is, there is no need to set the contact hole), which is relatively simple. Avoid false triggering caused by exposed contacts.

The locking and unlocking device 100 of the present utility model is applied in a fingerprint notebook (not shown), and is connected with the cover and the back cover of the notebook, and locks the notebook body inside, so as to realize the secrecy of the contents recorded in the notebook body. Preferably, the front cover and the back cover of the notebook are connected through a longitudinal side, and the locking and unlocking device is connected with the other side of the front cover and the back cover. Wherein, the lock body is connected with the back cover, and the sealing plate is connected with the cover. By setting up the locking and unlocking device, and the mutual cooperation of the control unit, fingerprint identification unit and micro switch in the locking and unlocking device, the connection and separation of the movable lock and the fixed lock are realized, thereby realizing the functions of fingerprint unlocking and automatic locking , high security. The locking and unlocking device of the utility model has a simple and compact structure, and the noise is small during the locking and unlocking process, which is beneficial to improving user experience.

The foregoing is only a partial implementation of the utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (10)

1. A locking and unlocking device is characterized by comprising a lock body and a sealing plate matched and connected with the lock body;

the lock body comprises a shell, a control unit, a motor, a fingerprint identification unit, a microswitch, a movable lock catch and a power supply assembly, wherein the control unit, the motor, the fingerprint identification unit, the microswitch and the movable lock catch are all arranged in the shell; wherein,

the front side plate of the shell, which is opposite to the sealing plate, is provided with a abdicating notch, the motor, the fingerprint identification unit and the microswitch are all electrically connected with the control unit, and the movable lock catch is connected with the motor and driven by the motor to rotate;

the sealing plate is provided with a fixed lock corresponding to the abdicating notch, a trigger mechanism corresponding to the contact of the microswitch is arranged, the trigger mechanism can press the contact of the microswitch when the sealing plate gradually approaches the shell, and the fixed lock can extend into the abdicating notch to be connected with the movable lock;

the control unit is used for driving the motor to rotate the movable lock catch to pull the fixed lock catch towards the inside of the shell after the sealing plate is close to the shell and the trigger mechanism touches and presses the micro switch contact, so that the sealing plate and the lock body are locked; or after the fingerprint identification unit successfully authenticates, the motor is driven to reversely rotate the movable lock catch to separate the movable lock catch from the fixed lock catch, so that the seal plate and the lock body are unlocked.

2. The locking and unlocking device according to claim 1, wherein the housing includes an upper shell and a lower shell which are snap-coupled to each other, and the upper shell is housed on the lower shell; the lower casing is provided with a plurality of hooks at two sides of the longitudinal length, and the upper casing is provided with fastening positions corresponding to the hooks and buckled with the hooks.

3. The locking and unlocking device as claimed in claim 2, wherein the lock body further includes a setting button electrically connected to the control circuit and configured to set a fingerprint, the front side plate of the upper case has a key hole corresponding to the setting button, and the setting button is embedded in the key hole and is not exposed out of the case or partially protrudes out of the upper case from the key hole.

4. The locking and unlocking device according to claim 2, wherein a contact point penetrating hole is further formed in the front side plate of the upper shell, and a contact point of the micro switch penetrates through the contact point penetrating hole and is exposed out of the upper shell; the trigger mechanism is a boss which can movably act on the contact.

5. The locking and unlocking device according to claim 2, wherein the movable lock catch and the contact of the microswitch are axially distributed at positions corresponding to the abdicating notch along the motor output shaft and are both positioned in the shell; the trigger mechanism is part of the fixed latch.

6. The locking and unlocking device as claimed in claim 1, wherein the motor is a stepping motor, one end of the movable latch is connected to an output shaft of the stepping motor through a roller, and the other end of the movable latch is bent to form a hook, and the hook is rotatably hooked on the fixed latch.

7. The locking and unlocking device as claimed in claim 6, wherein said fixing latch is a U-shaped latch defining a slit with the inside of said closing plate; the movable lock catches are axially arranged on the rotary roller, and the two movable lock catches extend into the slit from two ends of the U-shaped lock catch respectively to hook the U-shaped lock catch.

8. The locking and unlocking device of claim 1, further comprising a circuit board, wherein the control unit, the fingerprint identification unit and the matching circuit of the micro switch are all arranged on the circuit board.

9. The locking and unlocking device as claimed in claim 8, wherein said power supply unit includes a rechargeable battery and a charging circuit for the rechargeable battery, said charging circuit being provided on said circuit board.

10. A fingerprint notebook, comprising a front cover and a back cover which are oppositely arranged up and down and connected by a longitudinal side edge, and a notebook body which is clamped between the front cover and the back cover, characterized in that the fingerprint notebook also comprises a locking and unlocking device as claimed in any one of claims 1 to 9, which is connected with the other longitudinal side edge of the front cover and the back cover to seal the notebook body in the locking and unlocking device.