CN211081347U

CN211081347U - Fingerprint electronic lock for drawer

Info

Publication number: CN211081347U
Application number: CN201921740093.6U
Authority: CN
Inventors: 蒋海林
Original assignee: Foshan Wanlai Hardware Products Co ltd
Current assignee: Foshan Wanlai Hardware Products Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-24
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a fingerprint electronic lock for drawer, including fingerprint contact assembly and locking Assembly, be provided with the projection on the fingerprint contact assembly, the centre of fingerprint contact assembly is provided with wiring portion, last first through-hole and the wiring hole of being provided with of locking Assembly, fingerprint contact assembly with locking Assembly inserts and closes and line connection. The utility model is connected with the locking component by the way of inserting and combining, which can be applied to drawers with different thicknesses; the locking assembly is simple and compact in structure and good in effect due to the fact that the spring bolt is provided with the barrier strip and the mounting groove; the lock tongue stalling phenomenon is detected through the single chip microcomputer, and the lock tongue can be prevented from being locked.

Description

Fingerprint electronic lock for drawer

Technical Field

The utility model belongs to the technical field of the tool to lock, concretely relates to fingerprint electronic lock for drawer.

Background

Fingerprint authentication has characteristics such as convenient, accurate, quick, and the drawer of depositing valuables of tradition often adopts digital trick lock, but current digital trick lock exists to forget the password to and the password is defeated and is locked etc. the emergence of this kind of condition, consequently needs a more convenient fingerprint electronic lock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, easy dismounting's fingerprint electronic lock.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a fingerprint electronic lock for drawer, includes fingerprint contact assembly and locking Assembly, be provided with the projection on the fingerprint contact assembly, the centre of fingerprint contact assembly is provided with wiring portion, last first through-hole and the wiring hole of being provided with of locking Assembly, fingerprint contact assembly with locking Assembly inserts and closes and line connection.

Preferably, the fingerprint contact assembly includes a first bottom case, a first cover, and a fingerprint sensor, the first bottom case is covered with the first cover, the fingerprint sensor is disposed in the first bottom case, the protruding column is disposed on the first cover, and the wiring portion is disposed at an intermediate position of the first cover.

Preferably, the locking assembly comprises a second bottom shell, a second cover, a power supply, a motor, a rotor, a spring and a lock tongue, the second bottom shell is covered by the second cover, the power supply is arranged in the second bottom shell, the motor is arranged in the second bottom shell and electrically connected with the power supply, the rotor is arranged on the motor, and the spring is arranged on the bottom shell and connected with the rotor.

Preferably, a baffle is arranged on the inner side of the bottom of the second bottom shell, a first connecting column is arranged on the baffle, and the spring is arranged on the first connecting column.

Preferably, the spring bolt is provided with a connecting piece, two sides of the connecting piece are respectively provided with a mounting groove and a blocking strip, the end face of the spring bolt is provided with a second connecting column, and the second connecting column is located in the mounting groove.

Preferably, the barrier strip comprises a straight line section and a circular arc section, and the straight line section and the circular arc section are integrally connected.

Preferably, an eccentric rod is arranged on the rotor and is in contact connection with the barrier strip.

Compared with the prior art, the beneficial effects of the utility model are that: the fingerprint contact assembly and the locking assembly are connected together in an inserting mode, so that the drawer locking mechanism can be suitable for drawers with different thicknesses; the locking assembly is simple and compact in structure and good in effect due to the fact that the spring bolt is provided with the barrier strip and the mounting groove; the lock tongue stalling phenomenon is detected through the single chip microcomputer, and the lock tongue can be prevented from being locked.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the bottom of the fingerprint contact assembly of the present invention.

Fig. 3 is a front schematic view of the fingerprint contact assembly of the present invention.

Fig. 4 is the schematic diagram of the explosion structure of the locking assembly of the present invention.

Fig. 5 is the schematic view of the structure of the lock tongue of the present invention.

In the figure: the fingerprint contact assembly 1, the first bottom case 11, the first cover 12, the fingerprint sensor 13, the protruding post 14, the wiring portion 15, the locking assembly 2, the second bottom case 21, the baffle 211, the first connecting post 212, the second cover 22, the power supply 23, the motor 24, the rotor 25, the eccentric rod 251, the spring 26, the locking tongue 27, the connecting piece 271, the mounting groove 272, the barrier 273, the second connecting post 274, the first through hole 28, the wiring hole 29,

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a fingerprint electronic lock for a drawer, including a fingerprint contact assembly 1 and a locking assembly 2, wherein a convex pillar 14 is disposed on the fingerprint contact assembly 1, a wiring portion 15 is disposed in the middle of the fingerprint contact assembly 1, a first through hole 28 and a wiring hole 29 are disposed on the locking assembly 2, the fingerprint contact assembly 1 and the locking assembly 2 are plugged and connected by a circuit, the convex pillar 14 is disposed in the first through hole 28, a hole is disposed on the drawer, the fingerprint contact assembly 1 and the locking assembly 2 are respectively disposed on two sides of a drawer plate, the convex pillar 14 passes through the hole on the drawer and then is connected with the first through hole 28, a wire connects the fingerprint contact assembly 1 and the locking assembly 2 through the wiring portion 15 and the wiring hole 29, a threaded hole is disposed on the convex pillar 14, when the locking assembly 2 and the fingerprint contact assembly 1 are mounted on the drawer, pass through the screw first through-hole 28 with screw hole on the projection 14 is connected and is realized fixing, and finger touch fingerprint identification portion of fingerprint contact assembly 1, then locking Assembly 2 opens, and the drawer can be opened.

Specifically, the fingerprint contact assembly 1 includes a first bottom case 11, a first cover 12 and a fingerprint sensor 13, the first bottom case 11 is covered with the first cover 12, the fingerprint sensor 13 is disposed in the first bottom case 11, the protruding column 14 is disposed on the first cover 11, and the wiring portion 15 is disposed at a middle position of the first cover 12. The fingerprint sensor 13 is a well-known technology and thus a detailed description of the fingerprint sensor is not required.

Further, the locking assembly 2 includes a second bottom case 21, a second cover 22, a power supply 23, a motor 24, a rotor 25, a spring 26 and a locking tongue 27, the second bottom case 21 is covered with the second cover 22, the power supply 23 is disposed in the second bottom case 21, the motor 24 is disposed in the second bottom case 21 and electrically connected to the power supply 23, the rotor 25 is disposed on the motor 24, the spring 26 is disposed on the bottom case 21 and connected to the rotor 25, an opening 28 for the movement of the locking tongue 26 is disposed on a side surface of the second cover 22, a partition plate is disposed in the second bottom case 21 to divide the second bottom case 21 into three cavities, the power supply 23 and the motor are respectively disposed in the cavities on the left and right sides, the opening 28 and the locking tongue 26 are both disposed in the middle cavity, the motor 24 rotates to drive the rotor 25 to rotate, and drive the locking tongue 26 to extend out and retract in the opening 28, the opening and closing of the lock are realized.

In this embodiment, a baffle 211 is disposed on the inner side of the bottom of the second bottom case 21, a first connecting post 212 is disposed on the baffle 211, the spring 26 is disposed on the first connecting post 212, a connecting piece 271 is disposed on the latch 27, a mounting groove 272 and a blocking strip 273 are respectively disposed on two sides of the connecting piece 271, a second connecting post 274 is disposed on an end surface of the latch 27, the second connecting post 274 is located in the mounting groove 272, the spring 26 is disposed on the second connecting post 274, that is, two ends of the spring 26 are respectively connected to the first connecting post 212 and the second connecting post 274, and the first connecting post 212 and the second connecting post 274 are on the same vertical line.

Further, an eccentric rod 251 is disposed on the rotor 25, the eccentric rod 251 is in contact connection with the barrier 273, specifically, since the rotor 25 is connected to the motor 24 and powered by the motor 24, the internal shape of the barrier 273 is the running track of the eccentric rod 251, and the motor 24 is connected to the barrier 273, so that the protrusion and retraction of the latch bolt 27 can be controlled by the motor 24 to lock and unlock the lock.

The utility model discloses a theory of operation is: under the normal condition, spring bolt 27 is locked under the effect of spring 26, when the cell-phone touches fingerprint sensor 13, fingerprint sensor 13 discernment fingerprint, motor 24 circular telegram rotates, it is rotatory to drive rotor 25, eccentric bar 251 on the rotor 25 drives blend stop 273 and moves, make spring bolt 27 move towards the direction of spring 26 compression, the lock is opened this moment, and when motor 24 rotated, spring bolt 27 can push up rotor 25 when moving, the condition of stalling appears, motor 24 stall, the monolithic opportunity that is used for controlling motor 24 that is connected with motor 24 this moment detects the stalling phenomenon, then driving motor 24 reversal, spring bolt 27 outwards releases under the effect of spring 26 this moment, make the lock close.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A fingerprint electronic lock for a drawer, includes fingerprint contact assembly and locking Assembly, its characterized in that: be provided with the projection on the fingerprint contact subassembly, the centre of fingerprint contact subassembly is provided with wiring portion, last first through-hole and the wiring hole of being provided with of locking Assembly, fingerprint contact subassembly with locking Assembly inserts and closes and line connection.

2. The fingerprint electronic lock for the drawer according to claim 1, wherein: fingerprint contact subassembly includes first drain pan, first lid and fingerprint sensor, first drain pan with first lid closes, fingerprint sensor sets up in the first drain pan, the projection sets up on the first lid, wiring portion sets up the intermediate position of first lid.

3. The fingerprint electronic lock for the drawer according to claim 1, wherein: the locking assembly comprises a second bottom shell, a second cover, a power source, a motor, a rotor, a spring and a lock tongue, the second bottom shell is covered by the second cover, the power source is arranged in the second bottom shell, the motor is arranged in the second bottom shell and electrically connected with the power source, the rotor is arranged on the motor, the spring is arranged on the bottom shell and connected with the rotor, and an opening for the movement of the lock tongue is formed in the side surface of the second cover.

4. The fingerprint electronic lock for the drawer according to claim 3, wherein: the inner side of the bottom of the second bottom shell is provided with a baffle, a first connecting column is arranged on the baffle, and the spring is arranged on the connecting column.

5. The fingerprint electronic lock for the drawer according to claim 4, wherein: the spring bolt is characterized in that a connecting piece is arranged on the spring bolt, a mounting groove and a blocking strip are respectively arranged on two sides of the connecting piece, a second connecting column is arranged on the end face of the spring bolt and located in the mounting groove, a spring is arranged on the second connecting column, and the first connecting column and the second connecting column are on the same vertical line.

6. The fingerprint electronic lock for the drawer according to claim 5, wherein: the rotor is provided with an eccentric rod, and the eccentric rod is in contact connection with the barrier strip.