CN215632307U - Fingerprint drawer lock - Google Patents

Abstract

The application relates to the field of locks, in particular to a fingerprint drawer lock, which comprises a lock catch box arranged on a furniture body and a lock shell arranged on the inner wall of the drawer body, wherein a lock tongue capable of being buckled into the lock catch box is connected to the lock shell in a sliding manner, an illumination module is arranged on one side, away from the inner wall of the drawer body, of the lock shell, the illumination module is in communication connection with a processing module capable of identifying fingerprints, a driving module capable of driving the lock tongue to move back and forth in a direction close to or away from the inside of the lock catch box is arranged in the lock shell, and the driving module is in communication connection with the processing module; when the processing module identifies the correct fingerprint, the driving module and the lighting module can be started synchronously. This application has the convenience that improves the user when opening the drawer body, still improves the effect of the sight effect when getting article in drawer body inside simultaneously.

Description

Fingerprint drawer lock

Technical Field

The application relates to the field of tool to lock, especially relate to a fingerprint drawer lock.

Background

At present, drawers are all installed on furniture such as a wardrobe, a bedside cabinet and a locker.

Some users may choose to store valuable/private items in a drawer of indoor furniture, and in order to ensure the safety of the items, the users may choose to install locking devices on the exterior of the drawer, such as devices for locking a drawer body on the furniture with a key.

To the above-mentioned correlation technique, the inventor thinks that, using outside tool to lock closure drawer body, the time that the user spent when unblock can be more, and because the drawer body is mostly to take out the part by the inside of furniture and can supply the user to get and put article, when the user needs look for article in the drawer, the inside sight effect of dividing the region of drawer body is relatively poor to lead to the convenience when the user gets and puts article inside the drawer body to reduce.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of user when opening the drawer body, still improve the sight effect when getting article in drawer body inside simultaneously, this application provides a fingerprint drawer lock.

The application provides a fingerprint drawer lock adopts following technical scheme:

a fingerprint drawer lock comprises a lock catch box arranged on a furniture body and a lock shell arranged on the inner wall of the drawer body, wherein a lock tongue capable of being buckled into the lock catch box is connected to the lock shell in a sliding mode, an illumination module is arranged on one side, far away from the inner wall of the drawer body, of the lock shell, the illumination module is connected with a processing module capable of identifying fingerprints in a communication mode, a driving module capable of driving the lock tongue to move back and forth in a direction close to or far away from the inside of the lock catch box is arranged in the lock shell, and the driving module is connected with the processing module in a communication mode; when the processing module identifies the correct fingerprint, the driving module and the lighting module can be started synchronously.

By adopting the technical scheme, the drawer body is positioned in the furniture body in a conventional state, and the lock tongue is limited by the driving module and buckled in the lock catch box; when the drawer body needs to be opened, the processing module identifies the fingerprint information of a user, the operation is quick, and the convenience of the user in opening the drawer body is improved; if the fingerprint information of the user is correct, a starting instruction is sent, the driving module receives the starting instruction and takes the bolt out of the inside of the lock catch box according to the starting instruction, and meanwhile, the lighting module receives the starting instruction and starts lighting according to the starting instruction, so that the visual effect inside the drawer body is improved when the drawer body is in a use state.

Optionally, the processing module includes a controller and a fingerprint collecting module connected to the controller in a communication manner, the signal output end of the controller is connected to a power module in a communication manner, and the power module can supply power to the illumination module and the driving module.

By adopting the technical scheme, the fingerprint of the current user is acquired by the fingerprint acquisition module and is sent to the controller for comparison processing, and if the fingerprint of the current user is a correct fingerprint, the controller simultaneously sends a starting instruction to the illumination module and the driving module so as to simultaneously execute the unlocking and illumination actions.

Optionally, one side of the lock case far away from the lighting module is provided with a handle, one side of the handle far away from the lock case penetrates through the single side of the drawer body, and the fingerprint acquisition module is installed on the end face of one end of the handle far away from the lock case.

Through adopting above-mentioned technical scheme, the handle is installed in the outside of drawer body, and the user of being convenient for inputs the fingerprint when gripping the handle to the convenience when improving the user and promoting the drawer body has still improved the convenience of user input fingerprint.

Optionally, the power module is electrically connected to a power input port, and the power input port is located at the periphery of the handle and located outside the drawer body.

By adopting the technical scheme, the power input port is arranged outside the drawer body, so that the drawer body can be conveniently charged in a locked state, and the convenience for maintaining the operation of the power module is improved.

Optionally, the processing module further includes a delay module communicatively connected to the controller, and the delay module is communicatively connected to the lighting module.

By adopting the technical scheme, the delay module receives the starting instruction and starts timing according to the starting instruction, and sends the closing instruction to the lighting module after the timing is finished, so that the lighting module is closed, the lighting module is prevented from being in the on state for a long time, and unnecessary power resource waste is reduced.

Optionally, a detection module for detecting whether the lock tongue is buckled into the lock catch box or not is arranged on the lock shell, and the detection module is in communication connection with an early warning module.

Through adopting above-mentioned technical scheme, inside when the spring bolt not detained into the hasp box, can trigger detection module and send early warning signal to early warning module, inside the current drawer body of suggestion user does not push furniture body through early warning module to the user of being convenient for in time pushes furniture body inside and recovers.

Optionally, a control switch in a normally closed state is connected between the early warning module and the detection module in a communication manner, and the control switch is used for controlling on/off between the early warning module and the detection module; the control switch is in communication connection with a trigger module, and the trigger module is used for detecting whether a user exists outside the current drawer body.

By adopting the technical scheme, the control switch is in a normally closed state, when a user draws the drawer body out of the furniture body, the trigger module detects that the user integrally stands on one side of the outer part of the drawer body, and the trigger module disconnects the control switch, so that the connection between the detection module and the early warning module is disconnected, and the early warning module is prevented from being opened when the user is in a state of using the drawer body; when a user does not stand on one side of the outside of the drawer body, the detection module and the early warning module are in a connection state, at the moment, if the spring bolt is not buckled into the inside of the lock catch box, the detection module is triggered, and the detection module can prompt the user that the current drawer body is not in a locking state through the early warning module.

Optionally, the lock catch box is slidably connected with an elastic component, and one end of the elastic component, which is far away from the lock catch box, can be abutted against the inner wall of the drawer body; the elastic part is provided with a compression position and an ejection position on the lock catch box; when the lock tongue is buckled into the lock catch box, the elastic part is positioned at a compression position; when the lock tongue is not buckled into the inside of the lock catch box, the elastic part is positioned at the popping position.

Through adopting above-mentioned technical scheme, because elastomeric element has elasticity, inside the drawer body was located furniture body, the spring bolt withheld the hasp box, elastomeric element was compressed, when removing the lock state of spring bolt and hasp box, elastomeric element resets, moves to popping out the position by the compression displacement, can also drive the drawer body simultaneously and release from furniture body is inside to the convenience when improving the user and opening the drawer body.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving module receives the starting instruction and takes the bolt out of the inside of the lock catch box according to the starting instruction, and the lighting module receives the starting instruction and starts lighting according to the starting instruction, so that the visual effect inside the drawer body is improved when the drawer body is in a use state;

the time delay module starts timing according to the starting instruction, and sends a closing instruction to the illumination module after the timing is finished, so that the illumination time of the illumination module is prolonged;

when the locking state of the bolt and the lock catch box is released, the elastic part resets and moves to the popping position through the compression displacement, and meanwhile, the drawer body can be driven to be pushed out from the inside of the furniture body.

Drawings

Fig. 1 is a schematic view of an installation structure of a fingerprint drawer lock in embodiment 1 of the present application;

figure 2 is a schematic view of the exploded structure of the fingerprint drawer lock of the present application;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is a control schematic block diagram of embodiment 1 of the present application;

fig. 5 is a control schematic block diagram of embodiment 2 in the present application;

fig. 6 is a schematic view of the overall structure of the fingerprint drawer lock in embodiment 2 of the present application;

fig. 7 is a circuit diagram of a fingerprint drawer lock in embodiment 3 of the present application.

Description of reference numerals: 1. a lock box; 11. an elastic member; 111. a spring; 112. a butting rod; 113. avoiding holes; 12. a first card slot; 13. a second card slot; 2. a lock case; 21. a handle; 22. a detection module; 221. an infrared emitter; 222. an infrared receiver; 23. an early warning module; 24. a first analog-to-digital converter; 25. a second analog-to-digital converter; 3. a latch bolt; 4. a drive module; 5. a processing module; 51. a controller; 52. a fingerprint acquisition module; 53. a delay module; 6. a lighting module; 7. a power supply module; 8. a control switch; 9. and a triggering module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-7 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In order to improve the storage function of some furniture, a drawer body is usually disposed on a furniture body such as a bedside table, a locker, a wardrobe, etc. for storing valuables/privacy, and in order to ensure the safety of the above-mentioned articles, a user may choose to mount a locking device on the exterior of the drawer body, for example, a device such as a key lock, etc. for locking the drawer body on the furniture.

The embodiment of the application discloses fingerprint drawer lock.

Example 1:

referring to fig. 1 and 2, a fingerprint drawer lock includes a keeper 1, a lock case 2, a latch 3, a driving module 4, a processing module 5, an illumination module 6, and a power module 7; the furniture body is provided with a cavity for the drawer body to buckle in, the lock catch box 1 is connected to the inner wall of the cavity through a bolt, the lock shell 2 is connected to the inner wall of the drawer body through a bolt, one end of the lock tongue 3 is connected to the inside of the lock shell 2 in a sliding mode, and the other end of the lock tongue can penetrate through one side of the lock shell 2 and then can be buckled into the lock catch box 1;

referring to fig. 2 and 3, a handle 21 is convexly arranged on one side of the lock shell 2 facing the inner wall of the drawer body, and one end of the handle 21 far away from the lock shell 2 penetrates through one side of the drawer body; the lock catch box 1 is connected with two elastic parts 11 which are arranged side by side in a sliding way, and one end of each elastic part 11, which is far away from the inside of the lock catch box 1, can be abutted against the inner wall of one side of the drawer body, which is provided with the lock shell 2; the elastic member 11 has a compression position and an ejection position on the keeper 1, the elastic member 11 being capable of reciprocating between the compression position and the ejection position; when the bolt 3 is buckled into the lock catch box 1, the elastic part 11 is positioned at a compression position; when the tongue 3 is not buckled into the interior of the keeper 1, the resilient member 11 is in the sprung position.

The elastic component 11 comprises a spring 111 and an abutting rod 112 fixedly connected to one end of the spring 111, the lock catch box 1 is provided with an avoiding hole 113 for the spring 111 and the abutting rod 112 to buckle in a concave manner, and one end of the spring 111 far away from the abutting rod 112 is fixedly connected to the inner wall of the bottom end of the avoiding hole 113; when the elastic member 11 is in the compressed position, the spring 111 is in a compressed state; the body of the abutting rod 112 is positioned in the avoidance hole 113, and one end of the abutting rod 112, which is far away from the spring 111, abuts against the inner wall of the drawer body; when the elastic component 11 is in the pop-up position, the spring 111 is reset, the shaft body part of the abutting rod 112 is positioned outside the avoidance hole 113, and one end of the abutting rod 112, which is far away from the spring 111, is not abutted with the inner wall of the drawer body.

The driving module 4 is arranged inside the lock shell 2 and used for driving the bolt 3 to move back and forth in a direction close to or far away from the inside of the lock catch box 1; the driving module 4 can adopt any equipment with the function of driving the bolt 3 to move, such as a motor, a screw rod and the like, and the driving module 4 of the embodiment adopts a servo motor capable of receiving digital signals.

The lighting module 6 is arranged at the lower end part of one side of the lock shell 2, which is far away from the inner wall of the drawer body, and is used for lighting the inside of the drawer body; the first power output end of the power module 7 is connected with the power input end of the driving module 4, and the second power output end is connected with the power input end of the lighting module 6.

In the embodiment, the power supply module 7 is arranged inside the lock shell 2, and the power supply module 7 adopts a rechargeable lithium battery; the power supply module 7 is electrically connected with a power supply input port, and the power supply input port is positioned on the periphery of the handle 21 and outside the drawer body; when the power module 7 needs to be charged, the power module 7 can be charged by inserting external charging equipment into the power input port.

Referring to fig. 2 and 4, a first signal terminal of the processing module 5 is in bidirectional communication connection with a signal terminal of the driving module 4, and a second signal terminal is in bidirectional communication connection with a signal terminal of the lighting module 6; the processing module 5 is used for identifying fingerprint information of a user; when the processing module 5 identifies the correct fingerprint, the processing module 5 sends a starting instruction to the driving module 4 and the lighting module 6 respectively; the driving module 4 and the lighting module can be started synchronously according to the starting instruction.

The processing module 5 comprises a controller 51, a fingerprint acquisition module 52 and a delay module 53; wherein, the signal input end of the controller 51 is connected with the signal output end of the fingerprint acquisition module 52 in a communication way, and the first signal end of the controller 51 is connected with the signal end of the illumination module 6 in a two-way communication way; the delay module 53 is connected between the controller 51 and the lighting module 6; the fingerprint acquisition module 52 is mounted on the end face of the handle 21 remote from the lock housing 2.

The implementation principle of the embodiment 1 is as follows: when the drawer body is locked inside the furniture body, the bolt 3 is buckled inside the lock catch box 1, and the elastic part 11 is in a compressed position; when a user needs to open the drawer body, correct fingerprint information is input through the fingerprint acquisition module 52, and the controller 51 sends a starting instruction according to the correct fingerprint information; the driving module 4 receives a starting instruction and takes the bolt 3 out of the lock catch box 1 according to the starting instruction, and the lighting module 6 receives the starting instruction and starts lighting according to the starting instruction, so that the visual effect inside the drawer body is improved when the drawer body is in a use state; meanwhile, the delay module 53 receives the start instruction and starts timing according to the start instruction, and sends a turn-off instruction to the illumination module 6 after the timing is completed, so that the illumination module 6 is turned off, the illumination module 6 is prevented from being in a turn-on state for a long time, and unnecessary waste of power resources is reduced.

Example 2:

referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that a detection module 22 is installed on the lock housing 2, and a signal end of the detection module 22 is connected to an early warning module 23 in a communication manner; the detection module 22 is configured to detect whether the current tongue 3 is buckled inside the keeper 1, and the early warning module 23 is configured to prompt a user that the current drawer body is not in a locked state.

The detection module 22 includes an infrared emitter 221 and an infrared receiver 222, a first card slot 12 for installing the infrared emitter 221 is concavely disposed on one side of the lockbox 1 facing the inside of the drawer, a second card slot 13 for installing the infrared receiver 222 is concavely disposed on one side of the lock case 2 facing the lockbox 1, and when the bolt 3 is buckled into the lockbox 1, the infrared receiver 222 can receive infrared rays emitted by the infrared emitter 221.

The infrared receiver 222 is in communication connection with the early warning module 23, and the early warning module 23 in this embodiment adopts a buzzer.

The implementation principle of the embodiment 2 is as follows: when the tongue 3 is not buckled into the inside of the keeper 1, the infrared receiver 222 does not receive the infrared ray emitted from the infrared emitter 221, and then the detection module 22 is triggered to send an early warning signal to the early warning module 23, and the early warning module 23 prompts the user that the current drawer body is not pushed into the furniture body, so that the user can push the drawer body into the furniture body in time to restore the drawer body.

Example 3:

referring to fig. 7, the difference between this embodiment and embodiment 2 is that a control switch 8 in a normally closed state is connected between the early warning module 23 and the detection module 22 in a communication manner, and the control switch 8 is used for controlling on/off between the early warning module 23 and the detection module 22; control switch 8 communication connection has trigger module 9, and trigger module 9 is used for detecting whether there is the user in the outside of present drawer body, and trigger module 9 can adopt human body sensor in this embodiment.

In the embodiment, the control switch 8 adopts a relay, and the relay comprises an input loop KM1 and an output loop K1, wherein the output loop K1 is in a normally closed state; the output end of the detection module 22 is connected with a first NPN triode Q1 and a first analog-to-digital converter 24 in a communication manner; the output end of the trigger module 9 is communicatively connected with a second analog-to-digital converter 25 and a second NPN triode Q2.

One end of the first analog-to-digital converter 24 is in communication connection with the signal output end of the detection module 22, and the other end is electrically connected with the base level of the first NPN triode Q1; the collector of the first NPN triode Q1 is electrically connected with a power supply VCC1, and the emitter of the first NPN triode Q1 is electrically connected with an output loop K1 of the relay; the other end of the output loop K1 of the relay is electrically connected with a buzzer, and the other end of the buzzer is grounded.

One end of the second analog-to-digital converter 25 is in communication connection with the signal output end of the trigger module 9, the other end of the second analog-to-digital converter is electrically connected with the base level of a second NPN triode Q2, and the collector of the second NPN triode Q2 is electrically connected with a power supply VCC 1; the input end of the input loop KM1 of the relay is electrically connected with the emitter of a second NPN triode Q2.

The implementation principle of the embodiment 3 is as follows: when a user exists outside the drawer body, the trigger module 9 sends a signal B to the second analog-to-digital converter 25, the second analog-to-digital converter 25 converts the signal B into a high level, the base level of the second NPN triode Q2 receives the high level and is conducted, the input loop KM1 of the relay receives the high level, the first output loop K1 of the relay is disconnected, and the buzzer and the first NPN triode Q1 are in an open circuit state; when no user exists outside the drawer body, the triggering module 9 stops sending the signal B, a first output loop of the relay is closed, and the buzzer and the first NPN triode Q1 are in a closed state; when the detection module 22 detects that the tongue 3 is not buckled into the inside of the lock box 1, the detection module is triggered and sends a signal a to the first analog-to-digital converter 24, the first analog-to-digital converter 24 converts the signal a into a high level, the base level of the first NPN triode Q1 receives the high level and is conducted, the output loop of the relay is in a normally closed state, and the buzzer starts to operate after receiving the high level to prompt a user that the drawer body is not in a locked state currently.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims (8)

1. The utility model provides a fingerprint drawer lock, is including setting up hasp box (1) on furniture body and setting up lock shell (2) on drawer body inner wall, slide on lock shell (2) and be connected with spring bolt (3) that can buckle into in hasp box (1), its characterized in that: an illumination module (6) is arranged on one side, away from the inner wall of the drawer body, of the lock shell (2), the illumination module (6) is in communication connection with a processing module (5) capable of identifying fingerprints, a driving module (4) capable of driving the lock tongue (3) to move in a reciprocating mode in a direction close to or away from the inside of the lock catch box (1) is arranged in the lock shell (2), and the driving module (4) is in communication connection with the processing module (5); when the processing module (5) identifies the correct fingerprint, the driving module (4) and the lighting module (6) can be started synchronously.

2. The fingerprint drawer lock of claim 1, wherein: processing module (5) include controller (51) and communication connection in fingerprint collection module (52) of controller (51), the signal output part communication of controller (51) is connected with power module (7), power module (7) can be for lighting module (6) and drive module (4) power supply.

3. The fingerprint drawer lock of claim 2, wherein: one side of the lock shell (2) far away from the lighting module (6) is provided with a handle (21), one side of the handle (21) far away from the lock shell (2) penetrates through the single side of the drawer body, and the fingerprint acquisition module (52) is installed on the end face of one end, far away from the lock shell (2), of the handle (21).

4. A fingerprint drawer lock as defined in claim 3 wherein: the power supply module (7) is electrically connected with a power supply input port, and the power supply input port is located on the periphery of the handle (21) and located outside the drawer body.

5. The fingerprint drawer lock of claim 2, wherein: the processing module (5) further comprises a delay module (53) which is in communication connection with the controller (51), and the delay module (53) is in communication connection with the lighting module (6).

6. The fingerprint drawer lock of claim 5, wherein: the lock is characterized in that a detection module (22) used for detecting whether the lock tongue (3) is buckled into the lock catch box (1) or not is arranged on the lock shell (2), and the detection module (22) is in communication connection with an early warning module (23).

7. The fingerprint drawer lock of claim 6, wherein: a control switch (8) in a normally closed state is connected between the early warning module (23) and the detection module (22) in a communication manner, and the control switch (8) is used for controlling the connection and disconnection between the early warning module (23) and the detection module (22); the control switch (8) is in communication connection with a trigger module (9), and the trigger module (9) is used for detecting whether a user exists outside the current drawer body.

8. The fingerprint drawer lock of claim 1, wherein: the lock catch box (1) is connected with an elastic part (11) in a sliding mode, and one end, far away from the lock catch box (1), of the elastic part (11) can be abutted to the inner wall of the drawer body.

Images