阅读说明：本技术 一种指纹识别箱柜锁 (A kind of fingerprint recognition cabinet lock ) 是由 宋蔚启 陈发荣 肖希 黄璐娟 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种指纹识别箱柜锁,包括：锁壳组件、指纹识别组件、驱动组件、控制组件、电源组件,所述锁壳组件包括基壳、底板、面板,所述底板、面板封装在所述基壳的两侧,所述基壳的上部贯穿所述面板设置有锁筒,所述指纹识别模块包括指纹采集传感器、导光圈,所述驱动组件包括驱动电机、传动组件,所述驱动电机通过设置在所述驱动电机轴上的齿轮与所述传动杆啮合连接,所述主控电路板上部设置有控制器、存储器和输入输出接口,所述电源组件与所述控制组件电性连接。本发明体积小,结构简单,安装容易,可防止锁产生电机堵转、闷机现象,且可减小电池更换可能性,通过简单操作应对电池电量不足,具有较高的推广价值。(The invention discloses a kind of fingerprint recognition cabinet locks, it include: lock housing component, fingerprint recognition component, driving assembly, control assembly, power supply module, the lock housing component includes base enclosure, bottom plate, panel, the bottom plate, panel is encapsulated in the two sides of the base enclosure, the top of the base enclosure is provided with lock cylinder through the panel, the fingerprint identification module includes fingerprint collecting sensor, light guide ring, the driving component includes driving motor, transmission component, the driving motor passes through the gear being arranged in the drive motor shaft and engages connection with the drive rod, the main control board top is provided with controller, memory and input/output interface, the power supply module and the control assembly are electrically connected.The present invention is small in size, and structure is simple, installs and is easy, and can prevent lock from generating motor rotation blockage, bored machine phenomenon, and can reduce battery altering possibility, copes with battery capacity deficiency, promotional value with higher by simple operations.)

1. a kind of fingerprint recognition cabinet lock, it is characterised in that: including

Lock housing component, the lock housing component include base enclosure, bottom plate, panel, and the bottom plate, panel are encapsulated in the two of the base enclosure Side, the inside of the base enclosure are equipped with battery compartment, and the top of the base enclosure is provided with lock cylinder through the panel；

Fingerprint recognition component, the fingerprint recognition component include fingerprint collecting sensor, light guide ring, and the fingerprint recognition component is set It sets and is not connected with the tube port position of described panel one end in the lock cylinder, the light guide ring is set in the outer of the fingerprint collecting sensor Portion；

Driving assembly, the driving component include driving motor, transmission component, the transmission component include drive rod, connecting plate, Follower lever, elastic reset device, one end of the drive rod are rack structure, and the driving motor is by being arranged in the driving Gear on motor engages connection with the drive rod, and the inside of the base enclosure is arranged in the driving component；

Control assembly, the control assembly include the main control board for being provided with control circuit, are arranged on the main control board Have controller, memory and an input/output interface, the control assembly is arranged in the inside of the lock cylinder, the control assembly with The fingerprint collecting sensor is electrically connected；

The inside of the base enclosure is arranged in power supply module, the power supply module, and the power supply module and the control assembly are electrical Connection.

2. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the power supply module is plate charging Battery, the plate rechargeable battery are movably arranged in the battery compartment, and the top of the battery compartment is correspondingly arranged on battery cover, The battery cover matches with the bottom plate, and the battery cover is flexibly connected with the bottom plate.

3. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that it further include mainboard bracket, the master The inside of the lock cylinder is arranged in board mount, and the control assembly is movably arranged on the mainboard bracket, the mainboard bracket It is connect with the panel screw.

4. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the elastic reset device includes column Shape helical spring.

5. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that described follower lever one end is equipped with lock The other end of tongue, the follower lever is equipped with baffle, and the pillar shaped helical spring is set on the follower lever, the cylindrical helical Respectively with the lock tongue, baffle elastic connection, the axis of the driving lever and the follower lever is parallel to each other to be set at the both ends of spring It sets, the driving lever is equipped with transition face, and the transition face connect with the rack gear front end, and the gear relative displacement is to described When rack gear front end, the gear does not contact the driving lever.

6. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the one end of the connection board and the master Lever is fixedly connected, and the other end of the connecting plate is equipped with through-hole, and the through-hole matches with the follower lever, the connecting plate It is sleeved on the follower lever, the driving lever and the follower lever elastic connection.

7. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that it further include retaining plate, the retaining Plate is movably arranged on the inside of the base enclosure, and the retaining plate is correspondingly arranged with the baffle.

8. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the side of the base enclosure is equipped with lock Hole, the lockhole match with lock house.

9. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the lock cylinder is not connected with the panel Connecting hole is provided through on the tube wall of one end, the connecting hole is correspondingly arranged with the input/output interface, the connecting hole Match with the input/output interface.

10. a kind of fingerprint recognition cabinet lock according to claim 1, which is characterized in that the fingerprint collecting sensor is Capacitance type fingerprint acquires sensor.

Technical field

The present invention relates to lock technology field, in particular to a kind of fingerprint recognition cabinet lock.

Background technique

The overwhelming majority is mainly mechanical lock and electronics for the cabinet lock of luggage, bookcase, wardrobe, drawer etc. currently on the market Lock, and electronic lock includes coded lock, the nothing unlocked by the verifying of the communications such as wifi, mobile cellular network, bluetooth Line verifying lock etc., it is that they need special keeping unlocking condition that these locksets, which have a common problem,.Mechanical lock needs Keeping key, coded lock and wireless authentication lock need to remember that password, key and password are exactly the condition of unlocking, once unlocking condition quilt Lose or pass into silence, has resulted in great trouble to unlocking.

For using battery as power supply, the electronic lock unlocked using motor drive mode, the prior art passes through setting mostly and passes Sensor, travel switch or monitoring motor rotations control the operating status of motor by electric signal feedback lockset status, Control structure is complex；When battery capacity is lower, it is difficult to ensure that the accuracy and motor driven of electric signal transmission can Make lock tongue displacement in place；By electric signal feedback states, it is also easy to when lock tongue is moved into, motor still maintains torque Output state, because phenomena such as motor rotation blockage, bored machine, influencing motor operation caused by can not be successfully the transmission mould group for being drivingly connected lock tongue Service life, or even electronic lock normal use is influenced, using battery as the electronic lock of power supply, battery mostly uses greatly disposably to be made the prior art Common batteries, battery volume is big, causes electronic lock volume big, does not meet cabinet lock and the market of small size as far as possible is needed to need It asks；When battery capacity is low or overdischarge, replacement battery needs to carry out after unlocking, and replacement cell process is more complex, or even meeting There is for a long time the case where without using that can not unlock because of battery capacity deficiency, poor user experience.Prior art electronic lock is adopted mostly It is bad with separate structure, installation complexity, reliability and security protection deficiency and user's unlocking experience sense, need to be equipped with external key The disadvantages of be not easy to product promotion and increase customers.

Summary of the invention

That the technical problem to be solved in the present invention is to provide a kind of structures is simple, small in size, does not need specially to take care of unlocking item Part can be controlled lock tongue operation by simple structure, prevent motor rotation blockage, bored machine phenomenon, reduce battery altering possibility, Neng Goujian The insufficient fingerprint recognition cabinet lock of battery capacity is coped in single operation.

In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:

A kind of fingerprint recognition cabinet lock, including

Lock housing component, the lock housing component include base enclosure, bottom plate, panel, and the bottom plate, panel are encapsulated in the base enclosure Two sides, the inside of the base enclosure are equipped with battery compartment, and the top of the base enclosure is provided with lock cylinder through the panel；

Fingerprint recognition component, the fingerprint recognition component include fingerprint collecting sensor, light guide ring, the fingerprint recognition mould The tube port position that the lock cylinder is not connected with described panel one end is arranged in block, and the light guide ring is set in the fingerprint collecting sensor Outside；

Driving assembly, the driving component include driving motor, transmission component, and the transmission component includes drive rod, connects Fishplate bar, follower lever, elastic reset device, one end of the drive rod are rack structure, and the driving motor is by being arranged in institute The gear stated on driving motor engages connection with the drive rod, and the inside of the base enclosure is arranged in the driving component；

Control assembly, the control assembly include the main control board for being provided with control circuit, on the main control board Portion is provided with controller, memory and input/output interface, and the inside of the lock cylinder, the control is arranged in the control assembly Component and the fingerprint collecting sensor are electrically connected；

The inside of the base enclosure 1, the power supply module and the control assembly is arranged in power supply module, the power supply module It is electrically connected.

Preferably, the power supply module is plate rechargeable battery, and the plate rechargeable battery is movably arranged on the battery In storehouse, the top of the battery compartment is correspondingly arranged on battery cover, and the battery cover matches with the bottom plate, the battery cover with The bottom plate is flexibly connected.

It preferably, further include mainboard bracket, the inside of the lock cylinder is arranged in the mainboard bracket, and the control assembly is living Dynamic to be arranged on the mainboard bracket, the mainboard bracket is connect with the panel screw.

Preferably, the elastic reset device includes pillar shaped helical spring.

Preferably, described follower lever one end is equipped with lock tongue, and the other end of the follower lever is equipped with baffle, the cylindrical helical Spring is set on the follower lever, and the both ends of the pillar shaped helical spring are described respectively with the lock tongue, baffle elastic connection The axis of driving lever and the follower lever is disposed in parallel relation to one another, the driving lever be equipped with transition face, the transition face with it is described The connection of rack gear front end, when the gear relative displacement to the rack gear front end, the gear does not contact the driving lever.

Preferably, the one end of the connection board is fixedly connected with the driving lever, and the other end of the connecting plate is equipped with through-hole, The through-hole matches with the follower lever, and the connecting plate is sleeved on the follower lever, the driving lever with it is described driven Bar elastic connection.

It preferably, further include retaining plate, the retaining plate is movably arranged on the inside of the base enclosure, the retaining plate and institute Baffle is stated to be correspondingly arranged.

Preferably, the side of the base enclosure is equipped with lockhole, and the lockhole matches with lock house.

Preferably, the lock cylinder is not connected with being provided through connecting hole, the connecting hole on the tube wall of described panel one end It is correspondingly arranged with the input/output interface, the connecting hole matches with the input/output interface.

Preferably, the fingerprint collecting sensor is capacitance type fingerprint acquisition sensor.

The beneficial effects of the present invention are:

Fingerprint recognition cabinet lock of the present invention is structure as a whole, and small in size, installation is simply, easy to use, using rack structure Stroke is controlled, provides electronic information feedback without sensor or travel switch, it is simple to the control of lock tongue stroke, it is logical in rack gear end It crosses and is disengaged from structure and prevents driving motor from stall and bored machine phenomenon occurs.It is occupied little space, is accorded with using lamellar rechargeable battery The developing direction that cabinet lock becomes small to volume is closed, and rechargeable battery replacement is convenient, setting is outer on stretching out the external lock cylinder of bin It is not only that charging provides convenience, and clamping lock can also be accessed for external equipment side by side except failure mentions in failure if connecting interface For convenient solution.Using fingerprint recognition matching scheme, the fingerprint as unlocking condition is all biologies of human body itself Feature does not need specially keeping, unlocks easy, is easy to marketing.

Detailed description of the invention

Fig. 1 is a kind of main view of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 2 is a kind of rearview of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 3 is a kind of left view of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 4 is a kind of bottom view of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 5 is a kind of structural exploded view of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 6 is the structural schematic diagram of driving assembly in a kind of fingerprint recognition cabinet lock first embodiment of the present invention；

Fig. 7 is a kind of one of status diagram of fingerprint recognition cabinet lock second embodiment of the present invention；

Fig. 8 is the two of a kind of status diagram of fingerprint recognition cabinet lock second embodiment of the present invention；

Fig. 9 is the three of a kind of status diagram of fingerprint recognition cabinet lock second embodiment of the present invention.

In figure, 1- base enclosure, 2- bottom plate, 3- panel, 4- lock cylinder, 5- trim, 6- battery cover, 7- acquires sensor, and 8- leads Aperture, 9- driving assembly, 91- driving motor, 92- drive rod, 93- connecting plate, 94- follower lever, 95- elastic reset device, 96- Lock house, 97- gear, 98- rack gear, 10- plate rechargeable battery, 11- mainboard bracket, 12- main control board, 13-FPC flexible print Circuit, 14- retaining plate, 15- baffle, connecting plate before 16- spring, connecting plate after 17- spring, 18- input/output interface.

Specific embodiment

Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.

As shown in figs 1 to 6, a kind of fingerprint recognition cabinet lock, including

Lock housing component, lock housing component include base enclosure 1, bottom plate 2, panel 3, and bottom plate 2, panel 3 are encapsulated in the two sides of base enclosure 1, The inside of base enclosure 1 is equipped with battery compartment, and the top of base enclosure 1 is provided with lock cylinder 4 through panel；

Specifically, bottom plate 2, panel 3 are connect with 1 screw of base enclosure respectively in the present embodiment one.

Fingerprint recognition component, fingerprint identification module include fingerprint collecting sensor 7, light guide ring 8, the setting of fingerprint recognition component At the nozzle that lock cylinder 4 is not connected with 3 one end of panel, light guide ring 8 is set in the outside of fingerprint collecting sensor 7；

Specifically, the outside of lock cylinder 4 is equipped with trim 5 in the present embodiment one.

Driving assembly, the driving component include driving motor 91, transmission component, and transmission component includes drive rod 92, connects Fishplate bar 93, follower lever 94, elastic reset device 95, one end of drive rod 92 are rack structure, and driving motor is being driven by setting Gear 97 on dynamic motor engages connection with drive rod 92, and the inside of base enclosure 1 is arranged in driving assembly；

Specifically, to ensure that gear 97 has better half-clutch state, being machined on drive rod 92 in the present embodiment one Two transition faces, two transition faces are connect with the front end of rack gear 98 and end respectively, it is ensured that before 97 relative displacement to rack gear of gear End and when end, the not Contact Transmission bar 92 of gear 97.

Specifically, controlling stroke using rack structure in the present embodiment one, electronics is provided without sensor or travel switch Information feedback, controls simply 96 stroke of lock tongue, prevents driving motor 91 from occurring by being disengaged from structure in 98 end of rack gear Stall and bored machine phenomenon.

Control assembly, control assembly include the main control board 12 for being provided with control circuit, and 12 top of main control board is set It is equipped with controller, memory and input/output interface, the inside of lock cylinder 4, control assembly and fingerprint collecting is arranged in control assembly Sensor 7 is electrically connected；

Specifically, controlling the control circuit electricity of main control board 12 by FPC flexible printed circuit 13 in the present embodiment one Fingerprint collecting sensor 7 is connected with acquisition, storage, comparison finger print information.

Specifically, being also equipped on main control board 12 in the present embodiment one and being connected electrically in peripheral connection interface and plate Charge management circuit between rechargeable battery plate 10, peripheral connection interface are also electrically connected the control circuit on main control board 12, It is unlocked with realizing by external equipment.

The inside of base enclosure 1 is arranged in power supply module, power supply module, and power supply module and control assembly are electrically connected.

In the embodiment of the present invention one, power supply module is plate rechargeable battery 10, and plate rechargeable battery 10 is movably arranged on electricity In the storehouse of pond, the top of battery compartment is correspondingly arranged on battery cover 6, and battery cover 6 matches with bottom plate 2,2 activity of battery cover 6 and bottom plate Connection.

Specifically, power supply module includes the plate rechargeable battery 10 for capableing of charge and discharge, plate charging electricity in the present embodiment one Pond 10 is removably mounted in battery compartment, provides electric energy, plate rechargeable battery for all electrical parts including fingerprint recognition bin 10 occupy little space, and meet the developing direction that cabinet lock becomes small to volume, and replace conveniently.

It further include mainboard bracket 11 in the embodiment of the present invention one, the inside of lock cylinder 4, control group is arranged in mainboard bracket 11 Part is movably arranged on mainboard bracket 11, and mainboard bracket 11 is connect with 3 screw of panel.

In the embodiment of the present invention one, elastic reset device 95 includes pillar shaped helical spring.

In the embodiment of the present invention one, 94 one end of follower lever is equipped with lock tongue 96, and the other end of follower lever 94 is equipped with baffle, column Helical spring is set on follower lever 94, the both ends of pillar shaped helical spring respectively with lock tongue 96, baffle elastic connection, drive rod 92 It is disposed in parallel relation to one another with the axis of follower lever 94, drive rod 92 is equipped with transition face, and transition face is connect with rack gear front end, gear 97 When relative displacement to rack gear front end, gear 97 does not contact the drive rod 92.

Specifically, to ensure that gear 97 has better half-clutch state, being machined on drive rod 92 in the present embodiment one Transition face, transition face are connect with rack gear front end, it is ensured that when 97 relative displacement of gear to rack gear front end, the not Contact Transmission bar of gear 97 92。

Specifically, in the present embodiment one, as shown in figure 5, gear 97 is located at rack gear when lock tongue 96 is in blocking End, and so that gear 97 is contacted the end of rack gear by the elastic-restoring force of elastic reset device 95, when needing lock tongue 96 complete When at unlocking action, driving motor 91 is rotated forward, by the elastic-restoring force of elastic reset device 95,97 pinion rack of gear, lock Tongue 96 makes lock tongue 96 exit lockhole with 94 positive-displacement of follower lever.When lock tongue 96 exits lockhole completely, gear 97 is with respect to rack gear It is moved to the front end of the rack gear, thus make to be detached from the meshing state with rack gear with the gear 97 that driving motor 91 rotates forward, and Under the elastic-restoring force effect of elastic reset device, keep gear and end in contact before rack gear 98.When need lock tongue 96 complete lock When closing movement, driving motor 91 is inverted, by the elastic-restoring force of elastic reset device 95, the gear inverted with driving motor 91 97 engage with rack gear front end, so that lock tongue 96 is reversely displaced with drive rod 92, are moved to lock tongue 96 in lockhole.When lock tongue 96 is complete When entering lockhole entirely, gear 97 is moved to the end of the rack gear with respect to rack gear 98, to make the gear inverted with driving motor 91 97 be detached from the meshing state of rack gear, and under the effect of the elastic-restoring force of elastic reset device 95, make gear 97 keep with The contact of 98 end of rack gear.

Specifically, in the present embodiment one, when needing lock tongue 96 to complete unlocking action, driving motor 91 is rotated forward, by nibbling The rack gear of gear 97 is closed, lock tongue 96 makes lock tongue exit lockhole with drive rod positive-displacement.When lock tongue exits lockhole completely, tooth The opposite rack gear 98 of wheel 97 is moved to the front end of the rack gear, to make to be detached from and rack gear 98 with the gear 97 that driving motor 91 rotates forward Meshing state, and under the effect of the elastic-restoring force of elastic reset device 95, make the holding of gear 97 and end in contact before rack gear 98, When needing lock tongue 96 to complete locking movement, driving motor 91 is inverted, by the elastic-restoring force of elastic reset device 95, with drive The gear 97 that dynamic motor 91 inverts is engaged with 98 front end of rack gear, so that lock tongue 96 is reversely displaced with drive rod 92, makes lock tongue 96 It moves in lockhole.

In the embodiment of the present invention one, 93 one end of connecting plate is fixedly connected with drive rod 92, and the other end of connecting plate 93 is equipped with Through-hole, through-hole match with follower lever 94, and connecting plate 93 is sleeved on follower lever 94, drive rod and 94 elastic connection of follower lever；

It further include retaining plate 14 in the embodiment of the present invention one, retaining plate 14 is movably arranged on the inside of base enclosure 1, retaining plate 14 are correspondingly arranged with baffle 15.

Specifically, when 92 positive-displacement of drive rod, follower lever 94 is displaced to 14 direction of retaining plate in the present embodiment one, When lock tongue 96 exits lockhole completely, the baffle 15 of 97 relative displacement of gear to the front end of rack gear 98, follower lever 94 contacts retaining Plate 14, and compress pillar shaped helical spring to 15 direction of baffle.

In the embodiment of the present invention one, the side of base enclosure 1 is equipped with lockhole, and lockhole matches with lock house 96.

In preferred embodiments of the present invention, lock cylinder 4 is not connected with being provided through connecting hole on the tube wall of 3 one end of panel, institute Connecting hole is correspondingly arranged with input/output interface, and connecting hole matches with input/output interface 18.

In the embodiment of the present invention one, fingerprint collecting sensor 7 is capacitance type fingerprint acquisition sensor.

Specifically, in the present embodiment one, as shown in Figure 5 and Figure 6, when needing lock tongue 96 to complete unlocking action, driving electricity Machine 91 rotates forward, and by the rack gear of meshing gear 97, lock tongue 96 makes lock tongue 96 exit lockhole with 92 positive-displacement of drive rod.Work as lock When tongue 96 exits lockhole completely, gear 97 is moved to the front end of the rack gear 98 with respect to rack gear 98, to make with driving motor 91 just The gear 97 turned is detached from the meshing state with rack gear 98, and under the effect of the elastic-restoring force of elastic reset device 95, makes tooth Wheel 97 keeps the preceding end in contact with rack gear 98.When gear 97 also just being made to be located at the front end of rack gear 98, driving motor 91 is rotated forward, gear Though 97 with the preceding end in contact of rack gear 98, can not be engaged with rack.At this point, the elastic-restoring force in elastic reset device 95 acts on Under, gear 97 keeps the preceding end in contact with rack gear 98, if driving motor 91 inverts, gear 97 can enter with rack gear to be engaged State.Gear 97 is in a kind of half-clutch state in the front end of rack gear.When needing lock tongue 96 to complete locking movement, driving motor 91 reversions, by the elastic-restoring force of elastic reset device 95, the gear 97 and the front end of rack gear inverted with driving motor 91 is nibbled It closes, so that lock tongue 96 is reversely displaced with drive rod 92, is moved to lock tongue 96 in lockhole.

First embodiment of the invention is that gear 32 only realizes half-clutch scheme in the one end of rack gear 33.At lock tongue 4 When blocking, gear 97 and rack gear keep meshing state, and driving motor 91 rotates and reverse two kinds of major embodiment steerings Different states, the front end of rack gear are primarily referred to as gear 97 when lock tongue 96 is in unlocking condition and are displaced the end reached with respect to rack gear 98 Portion.

To ensure gear 97 preferably in half-clutch state, first embodiment of the invention, as shown in fig. 6, in driving lever Transition face 35 is machined on 311, which connect with the front end of rack gear 33, it is ensured that 32 relative displacement of gear to rack gear 33 When front end, gear 32 does not contact driving lever 311.

Specifically, in the present embodiment two, as column spring pocket on follower lever 94 and is mounted on spring in Fig. 7, Fig. 8, Fig. 9 After preceding connecting plate and spring between connecting plate, the both ends of column spring are separately connected before spring connecting plate 17 after connecting plate 16 and spring.Column The axial length of spring is less than 98 length of rack gear；When so that gear 97 being located at 98 both ends of rack gear, column spring can Deformation occurs and generates elastic-restoring force.

Specifically, in the present embodiment two, as shown in figure 8, gear 97 is located at rack gear when lock tongue 96 is in blocking End, and by the elastic-restoring force of elastic reset device 95 make gear 97 contact rack gear 98 end.As shown in fig. 7, working as When lock tongue 96 being needed to complete unlocking action, driving motor 91 is rotated forward, by the elastic-restoring force of elastic reset device 95, gear 97 Pinion rack 98, lock tongue 96 make lock tongue 96 exit lockhole with 92 positive-displacement of drive rod.As shown in figure 9, when lock tongue 96 moves back completely Out when lockhole, gear 97 is with respect to rack displacement to the front end of the rack gear 98, to keep the gear 97 rotated forward with driving motor 91 de- From the meshing state with rack gear 98, and under the effect of the elastic-restoring force of elastic reset device 95, make the holding of gear 97 and tooth The preceding end in contact of item.As shown in fig. 7, driving motor 91 inverts, by elastic reset when needing lock tongue 96 to complete locking movement The elastic-restoring force of device 95 is engaged with the gear 97 that driving motor 91 inverts with the front end of rack gear, so that lock tongue 96 is with transmission Bar 92 is reversely displaced, and is moved to lock tongue 96 in lockhole.As shown in figure 8, gear 97 is opposite when lock tongue 96 is completely into lockhole Rack displacement is to the end of the rack gear, thus make to be detached from the meshing state with rack gear 98 with the gear 97 that driving motor 91 inverts, And under the effect of the elastic-restoring force of elastic reset device 95, contact the holding of gear 97 with the end of rack gear.When lock tongue 96 When in blocking, gear 97 is in half-clutch state in the end of rack gear.As shown in figure 9, when lock tongue 96 is in unlocking shape When state, gear 97 is in half-clutch state in the front end of rack gear 98.The front end of rack gear 98 is primarily referred to as lock tongue 96 and is in unlocking shape Gear 97 is with respect to the end that the displacement of rack gear 98 reaches when state.The end of rack gear 98 is primarily referred to as tooth when lock tongue 96 is in blocking The end that the opposite displacement of rack gear 98 of wheel 97 reaches.

Specifically, as shown in Figure 7 to 9, the fingerprint recognition cabinet lock further includes lock housing in the present embodiment two.Lock housing Inside it is provided with various device fixed structures and structural bead.Connecting plate 17 after spring is provided in lock housing.After spring on connecting plate 17 It is machined with straight-bar through-hole.Clear to make to illustrate, Fig. 7 omits device each in lock housing into Fig. 9, only retains connecting plate after spring 17.The elastic reset device is column spring.The drive rod 92 is straight-bar.Rack gear 98 is machined on straight-bar, in straight-bar On connecting plate 16 before spring is installed.92 one end of drive rod connects lock tongue 96, and the other end passes through the drive rod 92 of connecting plate 17 after spring Through-hole, column spring are covered on drive rod 92 and are mounted on before spring after connecting plate 16 and spring between connecting plate 17, column spring Both ends are separately connected before spring connecting plate 17 after connecting plate 16 and spring.The axial length of column spring is less than the length of rack gear；So that When gear 97 is located at rack gear both ends, column spring can deformation occurs and generates elastic-restoring force.

To ensure gear 97 preferably in half-clutch state, second embodiment of the invention is passing as shown in Figure 7 to 9 Two transition faces are machined in lever 92, which connect with the front end of rack gear 98 and end respectively, it is ensured that gear 97 is opposite When being moved to the front end and end of rack gear 98, the not Contact Transmission bar 92 of gear 97.

In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.