CN110029874A - A kind of key of slotting key type intelligence lock core and its adaptation - Google Patents

A kind of key of slotting key type intelligence lock core and its adaptation Download PDF

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Publication number
CN110029874A
CN110029874A CN201910311254.8A CN201910311254A CN110029874A CN 110029874 A CN110029874 A CN 110029874A CN 201910311254 A CN201910311254 A CN 201910311254A CN 110029874 A CN110029874 A CN 110029874A
Authority
CN
China
Prior art keywords
key
lock
slotting
contact
slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910311254.8A
Other languages
Chinese (zh)
Inventor
余镇江
李其标
余彦学
余彦辉
廖海强
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIXIN LOCK BARRLES CO Ltd
Original Assignee
JIXIN LOCK BARRLES CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIXIN LOCK BARRLES CO Ltd filed Critical JIXIN LOCK BARRLES CO Ltd
Priority to CN201910311254.8A priority Critical patent/CN110029874A/en
Publication of CN110029874A publication Critical patent/CN110029874A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04Spring arrangements in locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00Cylinder locks and other locks with tumbler pins which are set by pushing the key in
    • E05B27/0003Details
    • E05B27/0017Tumblers or pins
    • E05B27/10
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04Spring arrangements in locks
    • E05B2015/0448Units of springs; Two or more springs working together
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0018Details of actuator transmissions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0018Details of actuator transmissions
    • E05B2047/0026Clutches, couplings or braking arrangements
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048Circuits, feeding, monitoring
    • E05B2047/0057Feeding
    • E05B2047/0058Feeding by batteries
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0084Key or electric means; Emergency release
    • E05B2047/0088Key-operated switch

Abstract

The invention is related to a kind of slotting key type intelligence lock core, including lock housing, dial drag, rotation axis, lock gall and Intelligent key, electric clutch chamber is provided in rotation axis, electric clutch is intracavitary to be provided with turn key and is able to drive that turn key engages linkage with lock gall or isolated electric clutch device, electric clutch device are electrically connected with control device;Intelligent key has grip part and unlocking portion, the first encryption chip is provided in grip part, the key circuit plate being electrically connected with the first encryption chip is provided in unlocking portion, key contact is provided on key circuit plate, conductive pellet is provided in lock housing and lock gall, control device is provided with the encryption authentication circuit that key authentication is carried out with the first encryption chip, controls electric clutch device band turn key by rear control device in key authentication and engages linkage with lock gall, twisting Intelligent key can unlock;By the way of machinery verifying and password authentification double combination, only key and password all successful matchings could be unlocked, and security performance is high.

Description

A kind of key of slotting key type intelligence lock core and its adaptation
[technical field]
The invention is related to lock technology field, the key of especially a kind of slotting key type intelligence lock core and its adaptation.
[background technique]
Smart lock in the prior art generally uses the verifying of Intelligent key machinery, fingerprint authentication, swipe the card verifying and password is tested The single formula verifying such as card, criminal need to only destroy one of verification mode and can unlock, and security performance is low.
In addition, the transmission device (electric clutch device) of existing electronic lock is mostly by motor and transmission mechanism come real Existing, for the movement for the side-to-side movement for being converted into unlocking and unlocking by the rotational action of motor, need complicated transmission mechanism To realize, also, accurate control is needed for the time of the positive and negative rotation of motor, not so be easy to cause the damage of transmission mechanism;By It is accurately controlled in being difficult the positive and negative rotation time to motor, so if being easy for be driven using screw drive It crosses position and forms idle running, also occur some Double-spring electronic locks for being able to solve the above problem in the prior art, such as China Patent announcement number is CN83790443B, denomination of invention are as follows: a kind of transmission gear for electric motor in electronic lock, the skill used Art scheme are as follows: clockwise and anticlockwise motor is fixed in the installation cavity of motor housing;Turn one end of tooth axis and the output of clockwise and anticlockwise motor Axis is fixedly connected with realization and interlocks;The outer diameter for turning facing cylinder is less than the extending port diameter of motor housing, turns facing cylinder and passes through through-hole set The screw thread two for turning to make on tooth axis to turn the screw thread one on tooth axis and turning in facing cylinder is located to be intermeshed;Inside turn tooth spring pocket turning On tooth axis, and the interior both ends for turning tooth spring are located at clockwise and anticlockwise motor and turn between facing cylinder;Turning tooth spring pocket is turning facing outside On cylinder, and turn outside tooth spring both ends be located at turn between facing cylinder and the inner wall of motor housing;Turn tooth spring-compressed by interior On turning facing cylinder, the screw thread one for making the screw thread for turning facing cylinder two and turning on tooth axis is reversely engaged for reaction afterwards, once motor is anti- Turning, turning that facing cylinder horse back screw-driven is protruding without will form idle running, and similarly, when sealed, the present invention by turning tooth outside On turning facing cylinder, the screw thread one for making the screw thread for turning facing cylinder two and turning on tooth axis is reversely engaged for reaction after spring-compressed, and one Denier motor reversal turns facing cylinder horse back screw-driven and inwardly puts in without will form idle running.Although the technical solution passes through increase Two springs just solve the problems, such as classic screw and swivel nut idle running easy to form, so that electronic lock does not need excessively accurately to control The time of motor positive and inverse, but it has the following technical problems:
1, since screw thread one and screw thread two remain reversed engagement, forward or reverse regardless of motor, turn tooth axis band always Turn facing cylinder rotates together;But when turning facing cylinder and the interior other mechanisms of lock occur mechanical stuck, one He of screw thread will be led to Occur the problems such as opposite idle running stripped thread between screw thread two, transmission device damage failure is also resulted in when serious;
2, the inner face for turning facing cylinder is outward extended with annular flange, turns tooth spring pocket outside on turning facing cylinder, and Between the inner face for the extending port that the both ends for turning tooth spring outside are located at the annular flange and motor housing;The processing technology of the structure It is complex, and the inner face for turning facing cylinder is outward extended with annular flange, causes to turn becoming large-sized for facing cylinder, be unable to satisfy The requirement of small-sized lockset.
3, any practical application in relation to the transmission device is not recorded in the patent specification, for the skill of this field For art personnel, the transmission structures are complicated, and especially motor housing is engaged by upper housing and lower case and is formed by connecting, the biography Dynamic device cannot be widely applied in all locksets, can not especially be applied to the electricity using pellet lock case of lock or blade lock case of lock In son lock.
Therefore, the smart lock for designing double verification modes of a high safety grade for being able to solve the above problem is this hair Bright creation urgent problem to be solved.
[summary of the invention]
To solve the above problems, the invention provide a kind of high safety grade dual fail-safe slotting key type intelligence lock core and Its key being adapted to.
To achieve the above object, the invention provides the following technical solutions:
A kind of slotting key type intelligence lock core, dialling including lock housing, in the lock housing intermediate openings slot are dragged and are mounted in Rotation axis and lock gall in the described group of lock housing for dragging two sides, the rotation axis are dragged linkage with dialling, are arranged in the rotation axis There is opening to link with the rotation axis and drag with described group towards the electric clutch chamber dragged, intracavitary be provided with of the electric clutch is dialled The turn key of linkage, and be able to drive the turn key and move along its axis and lock gall engagement linkage or isolated electric clutch Device, the electric clutch device are electrically connected with control device, and it further includes Intelligent key that this, which inserts key type intelligence lock core, the lock Gallbladder is provided with the keyhole being adapted with the Intelligent key, and the Intelligent key has grip part and unlocking portion, the gripping It is provided with the first encryption chip in portion, the key circuit being electrically connected with first encryption chip is provided in the unlocking portion Plate is provided with key contact on the key circuit plate, be provided in the lock housing and lock gall one end for and the key touch The other end of the conductive pellet of point electrical contact, the conduction pellet is electrically connected with the control device, the control device setting There is the encryption authentication circuit for carrying out key authentication with first encryption chip, passes through the rear control device control in key authentication Making the electric clutch device drives the turn key to engage linkage with lock gall, and twisting Intelligent key can unlock.
Preferably, it is further defined in that in the unlocking portion and is additionally provided with teeth, the lock housing and lock gall It is inside additionally provided with hoodle hole, the hoodle component to match with the teeth is provided in the hoodle hole.
Preferably, it is further defined in that the control device includes main control chip and the main control chip The power circuit of power input electrical connection, the encryption that be electrically connected with the signal input part of the main control chip authenticate it is electric Road and the motor drive circuit being electrically connected with the drive output of the main control chip, the power circuit are electrically connected with electricity Pond, the encryption authentication circuit are electrically connected with the conductive pellet, the motor drive circuit and electric clutch device electricity Connection.
Preferably, it is further defined in that in the turn key and is provided with drive cavity, the electric clutch device Including the driving motor being electrically connected with the motor drive circuit, the output shaft of the driving motor, which is connected with, protrudes into the transmission Intracavitary worm screw is set with the nut that can be threadedly coupled with it on the worm screw, and the worm screw is able to drive the nut phase The turn key is moved axially;The first return spring for being located at the nut two sides and are further sleeved on the worm screw Two return springs, the driving motor drive the worm screw forward or reverse when the nut compress the first return bullet Spring, first return spring push the turn key to move axially along the rotary shaft of the worm screw and engage linkage with the lock gall; The nut compression second return spring when the driving motor drives the worm screw reversion or rotates forward, described second time Position spring pushes the turn key to move axially along the rotary shaft of the worm screw and separates with the lock gall.
Preferably, it is further defined in that in the drive cavity and is provided with locating slot, the outside of the nut Evagination is formed with the positioning region being adapted with the locating slot, moves axially when institute along the rotary shaft of the worm screw in the nut Positioning region is stated to slide along the locating slot.
One end of first return spring and the bottom of chamber of the drive cavity offset, and the other end is against on the nut;Institute The accent for stating drive cavity, which is provided with, can supply the perforative return spring baffle of the worm screw, one end of second return spring and institute It states return spring baffle to offset, the other end is against on the nut.
Preferably, it is further defined in that the driving motor is preferably hollow-cup motor.
Preferably, be further defined in that the lock gall close to it is described dial the side dragged be provided with it is described The dowel hole that keyhole connects is provided with lock gall positioning pin in the dowel hole.
Preferably, it is further defined in that the lock housing is provided with the first contact holes, the lock gall is provided with The second contact holes to match with first contact holes, the conduction pellet includes the lock being arranged in first contact holes Shell contact and the lock housing contact being sleeved on outside the lock housing contact cover, and are arranged in second contact holes and the lock housing The lock gall contact and the lock gall contact set being sleeved on outside the lock gall contact that contact matches.
Preferably, be further defined in that the middle part dragged of dialling has a through-hole, the described group of middle part dragged to Internal projection is formed with annular edge, so that the one end dragged at described group is formed with can be inserted into for the front end of the rotation axis first Rotation slot, the other end are formed with the second rotation slot that can be inserted into for the front end of the lock gall;It is provided in first rotation slot Inwardly protruded first slotting key, the front end of the rotation axis are provided with the first slot to match with the described first slotting key;It is described The front end of rotation axis is additionally provided with the second slot, and the side evagination of the turn key is formed with to match with second slot Two slotting keys, the annular edge have and can be inserted into the notch for the described second slotting key, and the front end of the lock gall, which is provided with, to be supplied The third slot of the second slotting key insertion.
Preferably, it is further defined in that the rear end evagination of the rotation axis is formed with and stretches out the lock housing Outer fixed part, knob is set on the fixed part, and the control device is arranged in the knob;When twisting the knob The rotation axis drives described dial that rotation is dragged to unlock by the turn key.
Preferably, be further defined in that the lock housing be arranged radially for install the rotation axis and The mounting hole of lock gall, the rotation axis have been arranged radially first annular slot, the first annular slot towards described one end dragged of dialling It is inside provided with the first meson part that outer diameter is greater than the mounting hole aperture, the first meson part is clamped in the lock after assembly Shell and dial drag between;The lock gall has been arranged radially the second annular groove towards described one end dragged of dialling, in second annular groove It is provided with the second meson part that outer diameter is greater than the mounting hole aperture, the second meson part is clamped in the lock housing after assembly And dial drag between.
A kind of key of slotting key type intelligence lock core, including Intelligent key, the Intelligent key have grip part and unlocking Portion, the unlocking portion are provided with teeth, it is characterised in that the first encryption chip are provided in the grip part, in the unlocking portion It is provided with the key circuit plate being electrically connected with first encryption chip.
The beneficial effect of the invention is: the invention using machinery verifying and password authentification double combination by the way of, Security performance is greatly promoted, the first encryption chip is provided in the grip part of Intelligent key, in the unlocking portion of Intelligent key It is provided with key circuit plate, is provided on key circuit plate and is electrically connected key contact with the first encryption chip, after being inserted into key, Control device read the first encryption chip data carry out key authentication, key authentication by rear control device control it is electronic from Attaching together to set drives turn key to engage linkage with lock gall, and twisting Intelligent key can unlock, and realizes that double guarantee formulas are unlocked, security performance It is high;
In addition, the invention drives nut to move axially in worm screw by driving motor, it can be by first The resiliency urged turn key of return spring or the second return spring occurs engagement linkage with lock gall or separates, and structure is simple.First time Position spring or the second return spring can play buffer function, prevent nut and snail when turn key and lock gall occur mechanical stuck Occur the problems such as opposite idle running stripped thread between bar, it is ingenious in design, effectively improve the service life of electric clutch device.In addition, the One return spring and the second return spring can promote nut to engage with worm screw, improve the stability of work.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the invention;
Fig. 2 is the decomposition diagram of the invention;
Fig. 3 is the structural schematic diagram of Intelligent key;
Fig. 4 is the decomposition diagram of Intelligent key;
Fig. 5 is the cross-sectional view of unlocking condition;
Fig. 6 is the cross-sectional view of blocking;
Fig. 7 is the decomposition diagram of electric clutch device;
Fig. 8 is to dial one of the structural schematic diagram dragged;
Fig. 9 is to dial the second structural representation dragged;
Figure 10 is the structural schematic diagram of rotation axis;
The structural schematic diagram of Figure 11 lock gall;
Figure 12 is the structural schematic diagram of turn key;
Figure 13 is the circuit principle structure figure of the invention;
Figure 14 is the partial circuit diagram of control circuit;
Figure 15 is the circuit diagram for encrypting authentication circuit;
Figure 16 is the circuit diagram of motor drive circuit;
Figure 17 is the circuit diagram of buzzer circuit;
Figure 18 is the circuit diagram of storage circuit.
[specific embodiment]
Below in conjunction with the drawings and specific embodiments, invention is further described in detail:
As shown in attached drawing 1 to attached drawing 7, a kind of slotting key type intelligence lock core, including lock housing 1, open in the middle part of the lock housing 1 Dialling in mouth slot drags 3 and mounted in the rotation axis 4 and lock gall 5 being located in the lock housing 1 dialled and drag 3 two sides, the rotation axis 4 3 linkages are dragged with dialling, opening is provided in the rotation axis 4 towards dialling the electric clutch chamber 45 for dragging 3, in the electric clutch chamber 45 It is provided with the turn key 6 for linking and dragging with described group 3 linkages with the rotation axis 4, and is able to drive the turn key 6 along its axial direction Mobile to engage linkage or isolated electric clutch device 7 with the lock gall 5, the electric clutch device 7 is electrically connected with control dress Set 8, this insert key type intelligence lock core further include Intelligent key 2, the lock gall 5 be provided with the Intelligent key 2 be adapted Keyhole 51, as shown in attached drawing 3, attached drawing 4, the Intelligent key 2 has grip part 21 and unlocking portion 22, in the grip part 21 Be provided with the first encryption chip 23, first encryption chip 23 using Microchip company model ATSHA204A the One encryption chip has feature-rich encryption IC, carries out cryptographic operation using SHA-256 algorithm, built-in 16*32 byte is inserted Slot can store user data and key, has unique 9 byte sequence number for distinguishing other chips, also possesses 512bits The area OTP (dynamic password) for saving some fix informations, safety is high.It is provided in the unlocking portion 22 and described The key circuit plate 24 of one encryption chip 23 electrical connection, is provided with key contact 26, the lock housing on the key circuit plate 24 1 and lock gall 5 in be provided with one end for the conductive pellet 85 that be in electrical contact with the key contact 26, the conductive pellet 85 it is another One end is electrically connected with the control device 8, and it is to belong to that key circuit plate 24 communicate with control device 8 using hard contact mode In passive design.The control device 8 is provided with the encryption authentication circuit that key authentication is carried out with first encryption chip 23 83, the electric clutch device 7 is controlled by the rear control device 8 in key authentication, the turn key 6 is driven to engage with lock gall 5 Linkage, twisting Intelligent key 2 can unlock.The invention is by the way of machinery verifying and password authentification double combination, only Key and password all successful matchings could be unlocked, and realize that double guarantee formulas are unlocked, security performance is high.
It is additionally provided with teeth 25 in the unlocking portion 22, hoodle hole, the bullet are additionally provided in the lock housing 1 and lock gall 5 It is provided with to match with the teeth 25 in the hole of bead and realizes the hoodle component 52 of mechanical verifying unlocking function, hoodle component 52 is existing There are the common technology means of lock core in technology, the mechanical verifying of unlocking of realization is matched with conventional key.
Furthermore, the control device 8 includes main control chip 81, the power input with the main control chip 81 The power circuit 82 of electrical connection, the encryption authentication circuit 83 being electrically connected with the signal input part of the main control chip 81, with And the motor drive circuit 84 being electrically connected with the drive output of the main control chip 81, the power circuit 82 are electrically connected with Battery 9, the encryption authentication circuit 83 be electrically connecteds with the conductive pellet 85, the motor drive circuit 84 and it is described it is electronic from It attaches together and sets 7 electrical connections.The motor drive circuit 84 selects the driving chip of excellent model SGM42507.The control circuit 8 is also Buzzer circuit 87 including storage circuit 86 and sending alarm sound for storing data.The main control chip 81 is selected Model nRF52832 family chip, closer preferably nRF52832-QFAA chip, can support NFC-A, Ke Yizuo It is used for " label (Tag) ", cooperation smart phone can be used for the safety connection of short distance, and it is many and diverse to remove input password etc. from Creation connection procedure.In the present embodiment, main control chip 81 possesses ultralow peak value, low in energy consumption, after electrifying startup, will read The ID of main control chip 81 is simultaneously sent to the second encryption chip starting self-test software algorithm, will judge main control chip 81 and the second encryption Whether chip has the verifying modified or tampered with.
If after self-test successfully passes, configuration key insertion configured, while starting low-power consumption BLE broadcast being gone forward side by side Enter dormant state.When there is key to be inserted into lock gall 5, unique ID of the first encryption chip 23 is read in starting by main control chip 81, and By the way that ID is passed to the second encryption chip, the operation of SHA256 algorithm is executed by the second encryption chip and obtains ciphertext, then by ciphertext Be sent to the first encryption chip 23 and carry out operation, it is last to feed back to the first encryption chip 23 again, after two-way verification passes through, then verification at Function.Motor drive circuit 84 drives driving motor 71 to be rotated into unlocking condition, and issues short prompting by buzzer.If verification Failure then issues continuous several times alarm and reminding by buzzer, and stops checkout action.Unique ID of first encryption chip 23 exists Producer has preset completion during producing, and has uniqueness, highly-safe.
It, will starting safety if main control chip 81 receives the end mobile phone A pp transmission blue-teeth data message in addition to checkout action Authorization identifying.Operated if authorization identifying success for legal administrator, can key to lock core and record of unlocking visit It asks and configures.
In order to improve the job stability of electric clutch device 7, as shown in Fig. 7, drive cavity is provided in the turn key 6 61, the electric clutch device 7 includes the driving motor 71 being electrically connected with the motor drive circuit 84, the driving motor 71 Preferably hollow-cup motor, response are exceedingly fast, and are suitably applied electronic lock cylinder.The output shaft of the driving motor 71, which is connected with, to be protruded into Worm screw 72 in the drive cavity 61 is set with the nut 73 that can be threadedly coupled with it, the worm screw 72 on the worm screw 72 The nut 73 is able to drive to move axially relative to the turn key 6;It is further sleeved on the worm screw 72 and is located at the spiral shell The first return spring 74 and the second return spring 75 of 73 two sides of cap, the driving motor 71 drive the worm screw 72 rotate forward or The nut 73 compresses first return spring 74 when reversion, and first return spring 74 pushes the turn key 6 along described The rotary shaft of worm screw 72, which is moved axially, engages linkage with the lock gall 5;The worm screw 72 is driven to invert in the driving motor 71 Or the nut 73 compresses second return spring 75 when rotating forward, second return spring 75 pushes the turn key 6 along institute The rotary shaft axial movement for stating worm screw 72 is separated with the lock gall 5, and structure is simple.
The spiral shell when the driving motor 71 drives the worm screw 72 to rotate and the turn key 6 is mechanical stuck with lock gall 5 Cap 73 moves axially along the rotary shaft of the worm screw 72 and compresses first return spring 74 or the second return spring 75;In machine First return spring 74 or the second return spring 75 push the turn key 6 along the rotation of the worm screw 72 after the stuck disappearance of tool Axis axial movement makes turn key 6 that engagement linkage occur with lock gall 5 or separate.75 energy of first return spring 74 or the second return spring It is enough to play buffer function when turn key 6 and lock gall 5 occur mechanical stuck, it prevents from occurring between nut 73 and worm screw 72 relatively empty The problems such as turning stripped thread, it is ingenious in design, effectively improve the service life of electric clutch device.In addition, the first return spring 74 or the Two return springs 75 can promote nut 73 to keep engaging with worm screw 72, improve the stability of electric clutch device.
In the present embodiment, locating slot 62 is provided in the drive cavity 61, the outside evagination of the nut 73 is formed with The positioning region 76 being adapted with the locating slot 62 moves axially when institute along the rotary shaft of the worm screw 72 in the nut 73 Positioning region 76 is stated to slide along the locating slot 62.The cooperation of positioning region 76 and locating slot 62 is so that nut 73 can only be along the snail The rotary shaft of bar 72 moves axially, and cannot circumferentially rotate, and plays position-limiting action to nut 73.
In the present embodiment, one end of first return spring 74 and the bottom of chamber of the drive cavity 61 offset, the other end It is against on the nut 73;When turn key 6 engages linkage with lock gall 5, the compressed stroke of the first return spring 74 is the shifting of nut 73 Dynamic stroke, the first return spring 74 can push the side of the nut 73 to keep engaging with worm screw 72 at this time.The transmission The accent of chamber 61 be provided with can for the perforative return spring baffle 77 of the worm screw 72, one end of second return spring 75 with The return spring baffle 77 offsets, and the other end is against on the nut 73.The second return bullet when turn key 6 is separated with lock gall 5 The compressed stroke of spring 75 is the mobile stroke of nut 73, and the second return spring 75 can push the another of the nut 73 at this time Side keeps engaging with worm screw 72.
In the present embodiment, the lock gall 5 drags 3 side to be provided with to connect with the keyhole 51 close to described dial Dowel hole 53 is provided with lock gall positioning pin 54 in the dowel hole 53.It is solid that lock gall positioning pin 54 can not only play positioning It is set for using, additionally it is possible to prevent criminal from will carry out brill to electric clutch device after lock gall pinch off and break, effectively improve electronic lock cylinder Safety.
In the present embodiment, the lock housing 1 is provided with the first contact holes 11, and the lock gall 5 is provided with and first touching The second contact holes 56 that spot hole 11 matches, the conduction pellet 85 includes the lock housing being arranged in first contact holes 11 Contact 12 and the lock housing contact being sleeved on outside the lock housing contact 12 set 13, and be arranged in second contact holes 56 and institute State the lock gall contact 57 that lock housing contact 12 matches and the lock gall contact being sleeved on outside the lock gall contact 57 set 58.Further Say that setting is there are three key contact 26 on the key circuit plate 24, and composition power supply is just, power supply is born and power ground, the lock in ground The lower end of gallbladder contact 57 is electrically connected with key contact 26, under the upper end and lock housing contact 12 of the lock gall contact 57 The upper end of end electrical contact, the lock housing contact 12 is electrically connected with encryption authentication circuit 83.
In the present embodiment, as shown in attached drawing 8 to attached drawing 12, described group is dragged 3 middle part to have through-hole 31, and described group is dragged 3 Middle part it is inwardly protruding be formed with annular edge 32 so that dragging 3 one end at described group, be formed with can be for before the rotation axis 4 The first rotation slot 33 of insertion is held, the other end is formed with the second rotation slot 34 that can be inserted into for the front end of the lock gall 5;It is described The inwardly protruded first slotting key 35 is provided in first rotation slot 33, the front end of the rotation axis 4 is provided with inserts with described first The first slot 41 that key 35 matches after assembly, can be realized rotation axis 4 and dial the linkage for dragging 3.The front end of the rotation axis 4 It is additionally provided with the second slot 42, the side evagination of the turn key 6 is formed with the second slotting key to match with second slot 42 63, the annular edge 32 has and can be inserted into the notch 36 for the described second slotting key 63, and the front end of the lock gall 5 is provided with energy For the third slot 55 that the described second slotting key 63 is inserted into, after assembly, can be realized turn key 6 and rotation axis 4, turn key 6 with dial drag 3, And the linkage of turn key 6 and lock gall 5.
In the present embodiment, the rear end evagination of the rotation axis 4 is formed with the fixed part 43 stretched out outside the lock housing 1, institute It states and is set with knob 10 on fixed part 43, the control device 8 is arranged in the knob 10;Described in when twisting the knob 10 Rotation axis 4 drives described dial that 3 rotations is dragged to unlock by the turn key 6, and structure is simple, realizes indoor unlocking.
In the present embodiment, the lock housing 1 is arranged radially the mounting hole for installing the rotation axis 4 and lock gall 5, institute It states rotation axis 4 and drags 3 one end to be arranged radially first annular slot 44 towards described group, be provided in the first annular slot 44 outer Diameter is greater than the first meson part 14 in the mounting hole aperture, and the first meson part 14 is clamped in 1 He of lock housing after assembly It dials and drags between 3;The lock gall 5 drags 3 one end to be arranged radially the second annular groove 59, second annular groove 59 towards described group It is inside provided with the second meson part 15 that outer diameter is greater than the mounting hole aperture, the second meson part 15 is clamped in institute after assembly State lock housing 1 and dial and drag between 3, the first meson part 14 and the second meson part 15 respectively to rotation axis 4 and lock gall 5 play it is fixed and The effect of limit prevents from moving axially.
A kind of key of slotting key type intelligence lock core, as shown in attached drawing 2, attached drawing 3, including Intelligent key 2, the intelligence key Spoon 2 has grip part 21 and unlocking portion 22, and the unlocking portion 22 is provided with teeth 25, can be with hoodle group in the prior art Part 52 matches the mechanical verifying of unlocking of realization.The first encryption chip 23 is provided in the grip part 21, in the unlocking portion 22 It is provided with the key circuit plate 24 being electrically connected with first encryption chip 23, there are three gold for setting on the key circuit plate 24 Belong to contact, can constitute power supply just, power supply is negative and power ground, realization key authentication can connect with the control device 8 of smart lock, Intelligence degree is high, realizes that double verification modes, security performance are high.

Claims (13)

1. a kind of slotting key type intelligence lock core, dialling including lock housing (1), in the lock housing (1) intermediate openings slot drag (3), And mounted in the rotation axis (4) and lock gall (5) being located in the lock housing (1) dialled and drag (3) two sides, the rotation axis (4) with group It drags (3) to link, opening direction is provided in the rotation axis (4) and dials the electric clutch chamber (45) for dragging (3), the electric clutch chamber (45) it is provided with the turn key (6) for linking with the rotation axis (4) and dragging (3) to link with described group in, and is able to drive described Turn key (6), which is moved along its axis, engages linkage or isolated electric clutch device (7), the electric clutch with the lock gall (5) Device (7) is electrically connected with control device (8), it is characterised in that it further includes Intelligent key (2), the lock gall (5) be provided with The adaptable keyhole (51) of the Intelligent key (2), the Intelligent key (2) have grip part (21) and unlocking portion (22), It is provided with the first encryption chip (23), is provided on the unlocking portion (22) and the first encryption core in the grip part (21) The key circuit plate (24) of piece (23) electrical connection, is provided with key contact (26), the lock housing on the key circuit plate (24) (1) and in lock gall (5) conductive pellet (85) of the one end for being in electrical contact with the key contact (26), the conduction bullet are provided with The other end of sub (85) is electrically connected with the control device (8), and the control device (8) is provided with and first encryption chip (23) the encryption authentication circuit (83) for carrying out key authentication controls the electricity by the rear control device (8) in key authentication Dynamic arrangement of clutch (7) drive the turn key (6) to engage linkage with lock gall (5), and twisting Intelligent key (2) can be unlocked.
2. slotting key type intelligence lock core according to claim 1, it is characterised in that be additionally provided on the unlocking portion (22) It is additionally provided with hoodle hole in teeth (25), the lock housing (1) and lock gall (5), is provided in the hoodle hole and the teeth (25) the hoodle component (52) to match.
3. slotting key type intelligence lock core according to claim 2, it is characterised in that the control device (8) includes master control core Piece (81), the power circuit (82) being electrically connected with the power input of the main control chip (81), with the main control chip (81) Signal input part electrical connection the encryption authentication circuit (83) and with the drive output of the main control chip (81) electricity The motor drive circuit (84) of connection, the power circuit (82) are electrically connected with battery (9), the encryption authentication circuit (83) with The conduction pellet (85) is electrically connected, and the motor drive circuit (84) is electrically connected with the electric clutch device (7).
4. slotting key type intelligence lock core according to claim 3, it is characterised in that be provided with drive cavity in the turn key (6) (61), the electric clutch device (7) includes the driving motor (71) being electrically connected with the motor drive circuit (84), the biography The output shaft of dynamic motor (71) is connected with the worm screw (72) protruded into the drive cavity (61), is set with energy on the worm screw (72) Enough nuts (73) being threadedly coupled with it, the worm screw (72) are able to drive the nut (73) relative to the turn key (6) axis To movement;The first return spring (74) and second for being located at the nut (73) two sides is further sleeved on the worm screw (72) Return spring (75), the driving motor (71) drive the worm screw (72) forward or reverse when the nut (73) compress institute It states the first return spring (74), first return spring (74) pushes the turn key (6) along the rotary shaft of the worm screw (72) Axial movement engages linkage with the lock gall (5);When the driving motor (71) drive worm screw (72) reversion or rotate forward The nut (73) compresses second return spring (75), and second return spring (75) pushes the turn key (6) along institute The rotary shaft axial movement for stating worm screw (72) is separated with the lock gall (5).
5. slotting key type intelligence lock core according to claim 4, it is characterised in that it is fixed to be provided in the drive cavity (61) Position slot (62), the outside evagination of the nut (73) is formed with the positioning region (76) being adapted with the locating slot (62), in institute The positioning region (76) is slided along the locating slot (62) when stating rotary shaft axial movement of the nut (73) along the worm screw (72).
6. slotting key type intelligence lock core according to claim 4, it is characterised in that the one of first return spring (74) It holds and offsets with the bottom of chamber of the drive cavity (61), the other end is against on the nut (73);The accent of the drive cavity (61) is set Be equipped with can for the worm screw (72) perforative return spring baffle (77), one end of second return spring (75) with described time Position spring stop (77) offsets, and the other end is against on the nut (73).
7. slotting key type intelligence lock core according to claim 4, it is characterised in that the driving motor (71) is preferably sky Heart cup motor.
8. slotting key type intelligence lock core according to claim 4, it is characterised in that the lock gall (5) is dragged close to described dial (3) side is provided with the dowel hole (53) to connect with the keyhole (51), is provided in the dowel hole (53) Lock gall positioning pin (54).
9. slotting key type intelligence lock core according to claim 4, it is characterised in that the lock housing (1) is provided with the first contact Hole (11), the lock gall (5) are provided with the second contact holes (56) to match with first contact holes (11), the conduction bullet Sub (85) include the lock housing contact (12) being arranged in first contact holes (11) and are sleeved on the lock housing contact (12) outside Lock housing contact cover (13), and the lock gall that setting is matched with the lock housing contact (12) in second contact holes (56) Contact (57) and be sleeved on the lock gall contact (57) outside lock gall contact set (58).
10. according to any slotting key type intelligence lock core of claim 2-9, it is characterised in that the described group of middle part for dragging (3) With through-hole (31), described group is dragged the middle part of (3) is inwardly protruding to be formed with annular edge (32), so that dragging (3) at described group One end is formed with the first rotation slot (33) that can be inserted into for the front end of the rotation axis (4), and the other end, which is formed with, can supply the lock The second rotation slot (34) of the front end insertion of gallbladder (5);The inwardly protruded first slotting key is provided in first rotation slot (33) (35), the front end of the rotation axis (4) is provided with the first slot (41) to match with the described first slotting key (35);The rotation The front end of axis (4) is additionally provided with the second slot (42), and the side evagination of the turn key (6) is formed with and second slot (42) The slotting key of second to match (63), the annular edge (32) have and can be inserted into the notch for the described second slotting key (63) (36), the front end of the lock gall (5) is provided with the third slot (55) that can be inserted into for the described second slotting key (63).
11. according to any slotting key type intelligence lock core of claim 2-9, it is characterised in that after the rotation axis (4) End evagination, which is formed with, stretches out the fixed part (43) of the lock housing (1) outside, is set with knob (10) on the fixed part (43), described Control device (8) setting is in the knob (10);It twists the knob (10) Shi Suoshu rotation axis (4) and passes through the turn key (6) drive described dial that (3) rotation is dragged to unlock.
12. according to any slotting key type intelligence lock core of claim 2-9, it is characterised in that the lock housing (1) radially sets It is equipped with the mounting hole for installing the rotation axis (4) and lock gall (5), the rotation axis (4) drags the one end of (3) towards described group It has been arranged radially first annular slot (44), the of outer diameter greater than the mounting hole aperture is provided in the first annular slot (44) One meson part (14), the first meson part (14) is clamped in the lock housing (1) and dials and drags between (3) after assembly;The lock Gallbladder (5) drags the one end of (3) to be arranged radially the second annular groove (59) towards described dial, and is provided in second annular groove (59) Outer diameter is greater than the second meson part (15) in the mounting hole aperture, and the second meson part (15) is clamped in the lock after assembly Shell (1) and dial drag between (3).
13. a kind of key of slotting key type intelligence lock core, including Intelligent key (2), the Intelligent key (2) has grip part (21) and unlocking portion (22), the unlocking portion (22) are provided with teeth (25), it is characterised in that setting in the grip part (21) Have the first encryption chip (23), the key electricity being electrically connected with first encryption chip (23) is provided on the unlocking portion (22) Road plate (24).
CN201910311254.8A 2019-04-17 2019-04-17 A kind of key of slotting key type intelligence lock core and its adaptation Pending CN110029874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910311254.8A CN110029874A (en) 2019-04-17 2019-04-17 A kind of key of slotting key type intelligence lock core and its adaptation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910311254.8A CN110029874A (en) 2019-04-17 2019-04-17 A kind of key of slotting key type intelligence lock core and its adaptation

Publications (1)

Publication Number Publication Date
CN110029874A true CN110029874A (en) 2019-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910311254.8A Pending CN110029874A (en) 2019-04-17 2019-04-17 A kind of key of slotting key type intelligence lock core and its adaptation

Country Status (1)

Country Link
CN (1) CN110029874A (en)

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