CN211081351U

CN211081351U - Fingerprint cabinet lock

Info

Publication number: CN211081351U
Application number: CN201921494633.7U
Authority: CN
Inventors: 李中华
Original assignee: Dongguan Xinxi Plastic Cement Electronic Co ltd
Current assignee: Dongguan Xinxi Plastic Cement Electronic Co ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-07-24
Anticipated expiration: 2029-09-07

Abstract

The utility model provides a fingerprint cabinet lock, which comprises a lock body, wherein the lock body is provided with a mechanical unlocking component and a bolt clutch component, the mechanical unlocking component comprises a spring bolt and a knob for controlling the spring bolt to extend out of or retract into the lock body, the knob is provided with a bolt hole, the bolt clutch component comprises a motor, a transmission component and a movable bolt matched with the bolt hole to limit the rotation of the knob, the motor controls the movable bolt to move along the axial direction of the bolt hole through the transmission component, the lock body is internally provided with a reset spring which enables the movable bolt to always have the trend of keeping away from the bolt hole, the lock body is provided with a fingerprint acquisition module, the lock body is internally provided with a controller for receiving the signal of the fingerprint acquisition module and controlling the rotation of the motor, the utility model can effectively improve the operation smoothness of a mechanism, avoid the phenomenon of cock, the manufacturing cost is reduced.

Description

Fingerprint cabinet lock

Technical Field

The utility model relates to a tool to lock technical field, in particular to fingerprint cabinet lock.

Background

The fingerprint lock is an intelligent lock, is an industrial product formed by integrating computer information technology, electronic technology, mechanical technology and modern hardware technology, and the characteristics of the fingerprint are widely applied to products such as room doors, code boxes, code cabinets and the like as the most important evidence for identifying identity. The phenomenon that current fingerprint cabinet lock blocks when having the operation, simultaneously, the structure is more complicated, and production assembly efficiency is low, leads to manufacturing cost height.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, the utility model provides a fingerprint cabinet lock, its operation smoothness nature that can effectively improve the mechanism avoids the dead phenomenon of crooked card to take place, improves production assembly efficiency, reduces manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fingerprint cabinet lock, includes the lock body, be equipped with mechanical unblock subassembly and bolt separation and reunion subassembly on the lock body, mechanical unblock subassembly includes that spring bolt and control spring bolt stretch out or the knob of withdrawal lock body, be equipped with the bolt hole on the knob, bolt separation and reunion subassembly include motor, drive assembly and with bolt hole cooperation restriction knob pivoted activity bolt, the motor passes through drive assembly control activity bolt and follows bolt hole axial direction motion, be equipped with the reset spring that makes the activity bolt have the trend of keeping away from the bolt hole all the time in the lock body, be equipped with fingerprint collection module on the lock body, be equipped with the signal of receiving fingerprint collection module in the lock body and control motor pivoted controller.

As a preferred scheme, the transmission assembly comprises a motor gear, a crown gear driven by the motor gear to rotate, a nut gear driven by the crown gear to rotate, and a screw rod controlled by the nut gear to move up and down, wherein the axial direction of the motor gear and the axial direction of the crown gear are vertically arranged at 90 degrees, the axial direction of the crown gear and the axial direction of the screw rod are arranged in parallel, and the screw rod is arranged above the movable bolt.

As a preferred scheme, a buffer nut is arranged between the screw rod and the movable bolt, a buffer spring is arranged between the buffer nut and the movable bolt, and the elastic force of the reset spring is greater than that of the buffer spring.

As a preferred scheme, be equipped with the mounting hole in the lock body, buffer nut, buffer spring, activity bolt and reset spring install in the mounting hole in proper order, the rotatable installation in the upper end of mounting hole of nut gear, the screw rod is screwed with nut gear and is connected, and the head of screw rod is contradicted with buffer nut downwards and is connected.

As an optimal scheme, the upper end of the buffer nut is provided with a groove corresponding to the head of the screw, the lower end of the buffer nut is provided with a limiting block protruding downwards, the outer side of the limiting block forms a first step surface, the movable bolt is provided with a limiting groove, the upper end of the buffer spring is sleeved on the outer side of the limiting block and is abutted against the first step surface, and the lower end of the buffer spring is abutted against the bottom of the limiting groove.

As a preferred scheme, the lower extreme of activity bolt is equipped with the spacing post of downwardly convex stretching, the outside of spacing post forms the second step face, the bottom of mounting hole is equipped with the opening that supplies spacing post to stretch out downwards, reset spring overlaps in the outside of spacing post, reset spring's both ends are contradicted with the bottom of second step face and mounting hole respectively.

Preferably, the cross section of the mounting hole is D-shaped, and the cushion nut is a D-shaped nut matched with the cross section of the mounting hole in shape.

As a preferred scheme, the knob is installed on the lock body through a knob seat, a USB charging port is arranged on the outer side of the knob seat, a battery seat is arranged on the lock body, and a battery is installed in the battery seat.

As a preferred scheme, be equipped with by knob control pivoted gear wheel in the lock body, the spring bolt is equipped with two altogether, two all be equipped with the rack of being connected with the gear wheel meshing on the spring bolt, the rack is installed respectively in the both sides of gear wheel relatively, the both sides of gear wheel are equipped with the spout that is used for installing the spring bolt.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, 1, through setting up mechanical unlocking subassembly and bolt clutch assembly, the knob on the mechanical unlocking subassembly sets up the bolt hole and cooperates with the bolt hole and restricts the movable bolt of knob pivoted, control the movable bolt to move along bolt hole axial direction by the motor through drive assembly, make the movable bolt can move smoothly in the mounting hole, and can simplify the structure of fingerprint cabinet lock, easy assembly, improve production efficiency, reduce manufacturing cost; 2. the buffer spring is arranged, so that the buffer effect can be achieved, the moving direction of the movable bolt can be adjusted automatically, and the phenomenon that the movable bolt is inclined and stuck can be avoided; 3. the cross section shape through with the mounting hole sets up to D type and cushion nut and adopts D type nut, avoids locking or the in-process cushion nut that unblanks to rotate the card dead.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic front view of an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 3;

fig. 5 is a schematic view of the front internal structure of the embodiment of the present invention.

The attached drawings indicate the following:

10-a lock body; 11-knob seat; 111-USB charging port; 12-a battery holder; 20-a knob; 201-bolt hole; 21-fingerprint acquisition module; 22-bull gear; 23-a locking tongue; 30-a motor; 301-motor gear; 31-crown gear; 32-nut gear; 33-a screw; 34-a cushion nut; 35-a movable bolt; 36-a return spring; 37-buffer spring.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, a fingerprint cabinet lock includes a lock body 10, a mechanical unlocking assembly and a bolt clutch assembly are disposed on the lock body 10, the mechanical unlocking assembly includes a bolt 23 and a knob 20 for controlling the bolt 23 to extend out of or retract into the lock body 10, the knob 20 is provided with a bolt hole 201, the bolt clutch assembly includes a motor 30, a transmission assembly and a movable bolt 35 cooperating with the bolt hole 201 to limit the rotation of the knob 20, the motor 30 controls the movable bolt 35 to move along the axial direction of the bolt hole 201 through the transmission assembly, a return spring 36 for making the movable bolt 35 always have a tendency of being far away from the bolt hole 201 is disposed in the lock body 10, a fingerprint collection module 21 is disposed on the lock body 10, a controller for receiving a signal of the fingerprint collection module 21 and controlling the motor 30 to rotate is disposed in the lock body 10, the knob 20 is mounted on the lock body 10 through a, the outside of knob seat 11 is equipped with USB mouth 111 that charges, be equipped with battery tray 12 on the lock body 10, install the battery in the battery tray 12, the battery is rechargeable battery or removable dry battery, be equipped with in the lock body 10 and control pivoted gear wheel 22 by knob 20, spring bolt 23 is equipped with two altogether, two all be equipped with the rack of being connected with gear wheel 22 meshing on the spring bolt 23, the rack is installed in gear wheel 22's both sides respectively relatively, gear wheel 22's both sides are equipped with the spout that is used for installing spring bolt 23.

In this embodiment, the transmission assembly includes a motor gear 301, a crown gear 31 driven by the motor gear 301 to rotate, a nut gear 32 driven by the crown gear 31 to rotate, and a screw 33 controlled by the nut gear 32 to move up and down, the axial direction of the motor gear 301 and the axial direction of the crown gear 31 are vertically arranged at 90 degrees, the axial direction of the crown gear 31 and the axial direction of the screw 33 are arranged in parallel, the screw 33 is arranged above the movable bolt 35, a buffer nut 34 is arranged between the screw 33 and the movable bolt 35, a buffer spring 37 is arranged between the buffer nut 34 and the movable bolt 35, the elastic force of the return spring 36 is greater than the elastic force of the buffer spring 37, an installation hole is arranged in the lock body 10, the buffer nut 34, the buffer spring 37, the movable bolt 35, and the return spring 36 are sequentially installed in the installation hole, the nut gear 32 is rotatably installed at the upper end of the installation hole, the screw 33 is screwed with the nut gear 32 and is connected, the head of the screw 33 is butted with the buffer nut 34 downwards, the upper end of the buffer nut 34 is provided with a groove corresponding to the head of the screw 33, the lower end of the buffer nut is provided with a limiting block protruding downwards, the outer side of the limiting block forms a first step surface, the movable bolt 35 is provided with a limiting groove, the upper end of the buffer spring 37 is sleeved on the outer side of the limiting block and butted with the first step surface, the lower end of the buffer spring is butted with the bottom of the limiting groove, the lower end of the movable bolt 35 is provided with a limiting column protruding downwards, the outer side of the limiting column forms a second step surface, the bottom of the mounting hole is provided with an opening for the limiting column to extend downwards, the reset spring 36 is sleeved on the outer side of the limiting column, the two ends of the reset spring 36 are butted with the bottom of the second step surface and the mounting hole respectively, the cushion nut 34 is a D-shaped nut adapted to the cross-sectional shape of the mounting hole.

The working principle of the utility model is as follows: when the lock is unlocked, when a human hand touches the fingerprint acquisition module 21, the fingerprint acquisition module 21 is triggered, the controller drives the motor 30 to rotate forwards, the motor gear 301 on the motor 30 drives the crown gear 31 and drives the nut gear 32 to rotate forwards, the nut gear 32 drives the screw 33 to move upwards in a straight line, the pushing force on the buffer nut 34 is reduced, the pressure of the buffer spring 37 is released, the reset spring 36 pushes the movable bolt 35 upwards, the limit column exits from the bolt hole 201, the limit of the knob 20 is relieved, the knob 20 is rotated forwards manually, the knob 20 drives the large gear 22 to rotate, the large gear 22 drives the lock tongue 23 to retract into the lock body 10 through the rack on the lock tongue 23, and the unlocking action is completed; during locking, manual reverse rotation knob 20 is to initial position, when fingerprint collection module 21 does not have the trigger, controller driving motor 30 reversal, motor gear 301 drive crown gear 31 on the motor 30 and drive nut gear 32 reverse rotation, nut gear 32 drives screw 33 and is linear motion downwards, screw 33 supports and pushes away the nut to it stretches out downwards to promote movable bolt 35 through buffer spring 37 and overcome reset spring 36's elasticity, makes spacing post insert in the bolt hole 201, accomplishes the locking action.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a fingerprint cabinet lock, its characterized in that, includes the lock body, be equipped with mechanical unblock subassembly and bolt separation and reunion subassembly on the lock body, mechanical unblock subassembly includes that the spring bolt stretches out or the knob of withdrawal lock body with the control spring bolt, be equipped with the bolt hole on the knob, bolt separation and reunion subassembly include motor, drive assembly and with bolt hole cooperation restriction knob pivoted movable bolt, the motor passes through drive assembly control movable bolt and follows bolt hole axial direction motion, be equipped with the reset spring that makes movable bolt have the trend of keeping away from the bolt hole all the time in the lock body, be equipped with fingerprint collection module on the lock body, be equipped with the signal of receiving fingerprint collection module in the lock body and control motor pivoted controller.

2. The fingerprint cabinet lock of claim 1, wherein the transmission assembly comprises a motor gear, a crown gear driven by the motor gear to rotate, a nut gear driven by the crown gear to rotate, and a screw controlled by the nut gear to move up and down, the axial direction of the motor gear is perpendicular to the axial direction of the crown gear by 90 degrees, the axial direction of the crown gear is parallel to the axial direction of the screw, and the screw is disposed above the movable bolt.

3. The fingerprint cabinet lock of claim 2, wherein a buffer nut is disposed between the screw rod and the movable bolt, a buffer spring is disposed between the buffer nut and the movable bolt, and the elastic force of the return spring is greater than the elastic force of the buffer spring.

4. The fingerprint cabinet lock of claim 3, wherein the lock body is provided with a mounting hole, the buffer nut, the buffer spring, the movable bolt and the return spring are sequentially mounted in the mounting hole, the nut gear is rotatably mounted at the upper end of the mounting hole, the screw rod is screwed with the nut gear, and the head of the screw rod is downward abutted against the buffer nut.

5. The fingerprint cabinet lock of claim 4, wherein the upper end of the buffer nut is provided with a groove corresponding to the head of the screw, the lower end of the buffer nut is provided with a limiting block protruding downwards, the outer side of the limiting block forms a first step surface, the movable bolt is provided with a limiting groove, the upper end of the buffer spring is sleeved on the outer side of the limiting block and is abutted against the first step surface, and the lower end of the buffer spring is abutted against the bottom of the limiting groove.

6. The fingerprint cabinet lock of claim 5, wherein the lower end of the movable bolt is provided with a downwardly protruding limiting post, the outer side of the limiting post forms a second step surface, the bottom of the mounting hole is provided with an opening for the limiting post to extend downwards, the reset spring is sleeved on the outer side of the limiting post, and two ends of the reset spring respectively abut against the second step surface and the bottom of the mounting hole.

7. The fingerprint cabinet lock of claim 5, wherein the cross-section of the mounting hole is D-shaped, and the cushion nut is a D-shaped nut adapted to the cross-sectional shape of the mounting hole.

8. The fingerprint cabinet lock of claim 1, wherein the knob is mounted to the lock body through a knob seat, the knob seat is provided with a USB charging port on an outer side thereof, the lock body is provided with a battery seat, and the battery seat is provided with a battery therein.

9. The fingerprint cabinet lock of claim 1, wherein the lock body is provided with two large gears controlled to rotate by knobs, the two lock tongues are provided with racks respectively engaged with the large gears, the racks are respectively and oppositely installed on two sides of the large gears, and sliding grooves for installing the lock tongues are arranged on two sides of the large gears.