CN201351400Y

CN201351400Y - Message authentication coded lock

Info

Publication number: CN201351400Y
Application number: CNU2008202265539U
Authority: CN
Inventors: 王继忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-08
Filing date: 2008-12-08
Publication date: 2009-11-25
Anticipated expiration: 2018-12-08

Abstract

The utility model discloses a message authentication coded lock, which comprises a lock cylinder and a key matching with the same. An electromagnet is mounted in a lock body of the lock cylinder, the electromagnet is controlled by an optical signal receiving device mounted in the lock body, a mandrel is rotationally connected in the lock body, one end of the mandrel extending out of a key hole is driven by the key, an unlocking mechanism and a clutch mechanism are further arranged in the lock body, wherein the clutch mechanism clutched with the unlocking mechanism is driven by an armature iron of the electromagnet. The mandrel drives the unlocking mechanism to lock through the clutch mechanism, and the key is equipped with an optical signal transmitting device preset with codes. The message authentication coded lock can avoid being unlocked by drilling of tools such as electric drills or by knocking and vibrating of external force, and the key is preset with the codes without artificial memory, thereby bringing convenience for using.

Description

The Information Authentication coded lock

Technical field

The utility model relates to a kind of lockset, is specifically related to a kind of Information Authentication coded lock.

Background technology

The electronic password lock that uses on the current market is keyboard-type and cassette coded lock basically, more senior is the biometrics password lock, these locks all exist certain shortcoming, keyboard password is locked in and needs owner to input predefined password when unblanking just to unblank, if having very little or with owner, the password figure place of setting determines the password of getting in touch, though made things convenient for memory, really existed the critical defect of easy crack password; Be difficult for memory as too many or deserted the existing again of figure place, cause the shortcoming of the lock of not opening in hasty.Though the cassette coded lock does not have above-mentioned shortcoming, key card is inconvenient to carry frangibility, the card key is long-term use fragile, key type that simultaneously neither people were accustomed to accepting.The biometrics password lock has plurality of advantages, uses but price and size but are not suitable for common people family.

The utility model content

The technical problems to be solved in the utility model is at above-mentioned deficiency, and a kind of Information Authentication coded lock is provided, thereby this Lock Lee reaches the purpose of password unlocking with information interactive affirmation.The key of this lock is similar with the mechanical lock key that people are accustomed to using for a long time, can well be admitted by masses, also is convenient for carrying and not fragile.It does not need memory cipher in addition, and it is huge just to make that the password figure place of this lock can be provided with, in the reliability of the raising lock of limit degree and can not impact the user.

In order to solve the problems of the technologies described above, the utility model provides a kind of Information Authentication coded lock of following structure, comprise tapered end and with the supporting key of tapered end, its design feature is: in the lock body of described tapered end electromagnet is housed, electromagnet is by the light signal receiving control that is contained in the lock body, be rotatably connected to mandrel in the lock body, one end of mandrel leans out and by key actuated to keyhole, also be provided with in the lock body unlocking mechanism and can with clutch and that drive by the electromagnet armature mutually clutch of unlocking mechanism, mandrel drives the unlocking mechanism action by clutch structure, and described key is provided with the optical signal launcher that presets password.

The Information Authentication coded lock of said structure, because its mandrel is rotatably connected on the lock body, mandrel can freely rotate, and can avoid instrument such as electric drill to drill the possibility of unblanking; In addition, because clutch by solenoid actuated, also can not make the clutch and the structure of unblanking fit even external force is knocked mandrel, thereby avoid knocking the possibility that vibrations are unblanked; Moreover, preset password in the key, do not need the artificial memory, easy to use.

Described unlocking mechanism comprises gear that is rotatably connected on the electromagnet casing and the dead bolt tooth bar that cooperates with gear, the end face of gear is provided with inserted block, described clutch comprises clutch discs, clutch discs is provided with the slot corresponding with the inserted block position, clutch discs is packed on the armature, the armature slip cap is contained on the mandrel, is provided with spring between clutch discs and the electromagnet.

Described unlocking mechanism comprises gear that is rotatably connected on the mandrel and the dead bolt tooth bar that cooperates with gear, gear is provided with jack, described clutch comprises clutch discs and follower disk, clutch discs is between gear and electromagnet, be provided with spring between clutch discs and the gear, affixed latch on the clutch discs, latch is inserted in the jack, opposite side and slip cap that follower disk is positioned at gear are contained on the mandrel, be connected with the stage clip that itself and gear are adjacent on the follower disk, follower disk is provided with the pin-and-hole corresponding with jack position.

Described key is provided with optical signal launcher and comprises optical signal emission microprocessor, is connected in series press button on the power supply circuits of optical signal emission microprocessor, and the output of optical signal emission microprocessor is electrically connected photoemission cell.

Described light signal receiving comprises that optical signal receives microprocessor, optical signal receives the power switch that serial connection on the power supply circuits of microprocessor can be pushed by key, the input that optical signal receives microprocessor is electrically connected with the photoelectric receiving tube that energy receiving optical signals emitter is signaled, and optical signal receives the conducting of an output control electromagnet of microprocessor.

Described power switch is connected with the switch lever that is contained on the lock body, and power switch is realized connecting by key push switch bar.

Described unlocking mechanism comprises gear that is rotatably connected on the electromagnet casing and the dead bolt tooth bar that cooperates with gear, fit with the block that is fixed on the lock body in the outer face of gear, be provided with the top spring between the inner face of gear and lock body, the outer face of gear is provided with inserted block, described clutch comprises clutch discs, clutch discs is provided with the slot corresponding with the inserted block position, clutch discs is packed on the armature, the armature slip cap is contained on the mandrel, be provided with spring between clutch discs and the electromagnet, inserted block is provided with the unciform process that can hook clutch discs, is provided with on the key and switch lever position corresponding groove.

Described unlocking mechanism comprises gear that is rotatably connected on the mandrel and the dead bolt tooth bar that cooperates with gear, gear is provided with jack, described clutch comprises clutch discs and follower disk, clutch discs is between gear and electromagnet, be provided with spring between clutch discs and the gear, affixed latch on the clutch discs, latch is inserted in the jack, opposite side and slip cap that follower disk is positioned at gear are contained on the mandrel, be connected with the stage clip that itself and gear are adjacent on the follower disk, follower disk is provided with the pin-and-hole corresponding with jack position, and latch is provided with the annular groove that can block follower disk, is provided with on the key and switch lever position corresponding groove.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:

Fig. 1 is the structural representation of first kind of embodiment of the utility model;

Fig. 2 is the structural representation of gear shown in Fig. 1;

Fig. 3 is the structural representation of clutch discs shown in Fig. 1;

Fig. 4 is the structural representation of second kind of embodiment of the utility model;

Fig. 5 is the circuit theory diagrams of light signal receiving;

Fig. 6 is the circuit theory diagrams of optical signal launcher;

Fig. 7 is the structural representation of key;

Fig. 8 is the structural representation of tapered end.

The specific embodiment

Embodiment 1

Information Authentication coded lock as shown in Figure 1, comprise tapered end and with the supporting key of tapered end, be provided with keyhole 4 and electromagnet installation cavity 27 in the lock body 1 of tapered end, keyhole 4 and electromagnet installation cavity 27 are communicated with by intercommunicating pore 28, electromagnet 2 is housed in the electromagnet installation cavity 27, be rotatably connected to mandrel 3 in the intercommunicating pore 28, an end of mandrel 3 leans out to keyhole 4 also can be by key actuated.Electromagnet 2 is by the light signal receiving control that is contained in the lock body 1, as shown in Figure 5, light signal receiving is a prior art, it comprises that optical signal receives microprocessor 17, the model that optical signal receives microprocessor 17 is 89c2501, optical signal receives the power switch 18 that serial connection on the power supply circuits of microprocessor 17 can be pushed by key, the input that optical signal receives microprocessor 17 is electrically connected with the photoelectric receiving tube 19 that energy receiving optical signals emitter is signaled, photoelectric receiving tube 19 is positioned at the photoelectric receiving tube installing hole 30 that is communicated with keyhole 4, and another input that optical signal receives microprocessor 17 is electrically connected functional switch 32.The output that optical signal receives microprocessor 17 is electrically connected with the base stage of triode 31, and the colelctor electrode of triode 31 is electrically connected with electromagnet 2, and two outputs are electrically connected red indicator lamp 33 and green indicator lamp 34 respectively in addition.Power switch 18 is connected with switch lever 20, and switch lever 20 is contained in the switch lever installing hole 29 that is communicated with keyhole 4, and switch lever 20 1 ends connect power switch 18 other ends and lean out to keyhole 4, and power switch 18 is realized connecting by key push switch bar 20.Red indicator lamp 33, green indicator lamp 34 and functional switch 32 are contained on the lock body, as shown in Figure 8.Power supply 35 also is housed in the lock body.Suo Shu Keying spoon is provided with optical signal launcher, optical signal launcher is a prior art, as Fig. 6, shown in Figure 7, optical signal launcher comprises optical signal emission microprocessor 21, the model of optical signal emission microprocessor 21 is LPC901, serial connection press button 22 on the power supply circuits of optical signal emission microprocessor, the output of optical signal emission microprocessor 21 is electrically connected photoemission cell 23, optical signal emission microprocessor 21 and power supply are arranged in the shank of the key of key, photoemission cell 23 is located on one's body the spoon, photoemission cell 23 is corresponding with photoelectric receiving tube 19 positions, the spoon of key also is provided with and switch lever 20 position corresponding groove 25 on one's body, and press button 22 is arranged on the shank of the key.

As shown in Figure 1, also be provided with in the lock body 1 unlocking mechanism and can with clutch and that drive by the armature 8 of the electromagnet 2 mutually clutch of unlocking mechanism, unlocking mechanism comprises and is sleeved on electromagnet 2 shells and the dead bolt tooth bar 6 that can rotate again slidable gear 5 and cooperate with gear 5, fit with the block 36 that is fixed on the lock body 1 in the outer face of

gear

5,1 of the inner face of gear 5 and lock body are provided with top spring 37.As shown in Figure 2, the outer face of gear 5 is provided with inserted block 7, and inserted block 7 is provided with unciform process 24.Described clutch comprises clutch discs 9, and clutch discs 9 is provided with the slot 10 corresponding with inserted block 7 positions, and slot 10 as shown in Figure 3.Clutch discs 9 is packed on the armature 8, and armature 8 slip caps are contained on the mandrel 3, and promptly armature 8 can only endwisely slip and can not rotate around mandrel 3 along mandrel 3.Be provided with spring 11 between clutch discs 9 and the electromagnet 2.When mandrel 3 drive armature 8 and clutch discs 9 turned an angle slightly, unciform process 24 can hook clutch discs 9.

Embodiment 2

Information Authentication coded lock as shown in Figure 4, comprise tapered end and with the supporting key of tapered end, be provided with keyhole 4 and electromagnet installation cavity 27 in the lock body 1 of tapered end, keyhole 4 and electromagnet installation cavity 27 are communicated with by intercommunicating pore 28, electromagnet 2 is housed in the electromagnet installation cavity 27, be rotatably connected to mandrel 3 in the intercommunicating pore 28, an end of mandrel 3 leans out to keyhole 4 also can be by key actuated.Electromagnet 2 is by the light signal receiving control that is contained in the lock body 1, as shown in Figure 5, light signal receiving is a prior art, it comprises that optical signal receives microprocessor 17, the model that optical signal receives microprocessor 17 is 89c2501, optical signal receives the power switch 18 that serial connection on the power supply circuits of microprocessor 17 can be pushed by key, the input that optical signal receives microprocessor 17 is electrically connected with the photoelectric receiving tube 19 that energy receiving optical signals emitter is signaled, photoelectric receiving tube 19 is positioned at the photoelectric receiving tube installing hole 30 that is communicated with keyhole 4, and another input that optical signal receives microprocessor 17 is electrically connected functional switch 32.The output that optical signal receives microprocessor 17 is electrically connected with the base stage of triode 31, and the colelctor electrode of triode 31 is electrically connected with electromagnet 2, and two outputs are electrically connected red indicator lamp 33 and green indicator lamp 34 respectively in addition.Power switch 18 is connected with switch lever 20, and switch lever 20 is contained in the switch lever installing hole 29 that is communicated with keyhole 4, and switch lever 20 1 ends connect power switch 18 other ends and lean out to keyhole 4, and power switch 18 is realized connecting by key push switch bar 20.Red indicator lamp 33, green indicator lamp 34 and functional switch 32 are contained on the lock body, as shown in Figure 8.Power supply 35 also is housed in the lock body.Suo Shu Keying spoon is provided with optical signal launcher, optical signal launcher is a prior art, as Fig. 6, shown in Figure 7, optical signal launcher comprises optical signal emission microprocessor 21, serial connection press button 22 on the power supply circuits of optical signal emission microprocessor, the output of optical signal emission microprocessor 21 is electrically connected photoemission cell 23, optical signal emission microprocessor 21 and power supply are arranged in the shank of the key of key, photoemission cell 23 is located on one's body the spoon, photoemission cell 23 is corresponding with photoelectric receiving tube 19 positions, the spoon of key also is provided with and switch lever 20 position corresponding groove 25 on one's body, and press button 22 is arranged on the shank of the key.

As shown in Figure 4, also be provided with in the lock body 1 unlocking mechanism and can with clutch and that drive by the armature 8 of the electromagnet 2 mutually clutch of unlocking mechanism.Unlocking mechanism comprises gear 5 that is rotatably connected on the mandrel 3 and the dead bolt tooth bar 6 that cooperates with gear 5, gear 5 is provided with jack 12, described clutch comprises clutch discs 9 and follower disk 13, clutch discs 9 is between gear 5 and electromagnet 2, be provided with spring 11 between clutch discs 9 and the gear 5, affixed latch 14 on the clutch discs 9, it is that gear 5 end faces are not exposed in the latch end that latch 14 parts are inserted in the jack 12, it is that follower disk 13 can only endwisely slip and can not rotate around mandrel 3 along mandrel 3 that follower disk 13 is positioned at that the opposite side of gear 5 and slip cap be contained on the mandrel 3, be provided with the stage clip 15 that itself and gear 5 are adjacent between the inwall of follower disk 13 and electromagnet installation cavity 27, follower disk 13 is provided with the pin-and-hole 16 corresponding with jack 12 positions, and latch 14 is provided with the annular groove 26 that can block follower disk 13.

Optical signal emission microprocessor 21 in the key presets password, when dispatching from the factory with lock body in optical signal receive microprocessor 17 and carried out information exchange, be that optical signal receives microprocessor 17 and the password that optical signal emission microprocessor 21 presets read in and stores, so key can be directly used in and unblank.

The process of unblanking of embodiment 1 is as follows: key is inserted keyhole 4, the spoon body depress switch bar 20 of key is connected power switch 18, push the press button 22 on the shank of the key this moment, photoemission cell 23 emission optical signals, after photoelectric receiving tube 19 receives, the information that optical signal receives 17 pairs of receptions of microprocessor compares checking, and after checking was correct, triode 31 conductings got electromagnet 2.Thereby electromagnet 2 adhesives make armature 8 endwisely slip along mandrel 3 and drive clutch discs 9 and gear 5 applyings, and the inserted block 7 on the gear 5 inserts in the slot of clutch discs 9.At this moment, key makes mandrel 3 drive armature 8 and clutch discs 9 is rotated, after key turns an angle a little, unciform process 24 on the inserted block 7 hooks clutch discs 9, and simultaneously, key spoon groove 25 on one's body forwards switch lever 20 places to, switch lever 20 bullets advance groove 25, power switch 18 disconnects and makes electromagnet 2 dead electricity, is rotated further key, and mandrel 3 is rotated, mandrel 3 drives armature 8 and clutch discs 9 is rotated further, clutch discs 9 driven gears 5 rotate, and gear 5 drives 6 actions of dead bolt tooth bar, thereby realizes unblanking.Make the key return after unblanking to finish, clutch discs 9 is at return under spring 11 effects, and gear 5 is return under the effect of dead bolt tooth bar 6, key is extracted get final product.The groove 25 and the setting of the unciform process 24 on the inserted block 7 on one's body of key spoon is in order to economize on electricity, and promptly electromagnet 2 need not in running order always in the process of unblanking.

The process of unblanking of embodiment 2 is as follows: key is inserted keyhole 4, the spoon body depress switch bar 20 of key is connected power switch 18, push the press button 22 on the shank of the key this moment, photoemission cell 23 emission optical signals, after photoelectric receiving tube 19 receives, the information that optical signal receives 17 pairs of receptions of microprocessor compares checking, and after checking was correct, triode 31 conductings got electromagnet 2.Electromagnet 2 adhesive armatures 8, armature 8 promote clutch discs 9 makes latch on the clutch discs 9 pass and inject in the jack 12 of gear 5 in the pin-and-hole 16 on the follower disk 13.At this moment, key makes mandrel 3 drive follower disk 13 and rotates, after key turns an angle a little, annular groove 26 on the latch 14 blocks follower disk 13, and simultaneously, key spoon groove 25 on one's body forwards switch lever 20 places to, switch lever 20 bullets advance groove 25, power switch 18 disconnects and makes electromagnet 2 dead electricity, is rotated further key, and mandrel 3 is rotated, mandrel 3 drives follower disk 13 and is rotated further, follower disk 13 drives clutch discs 9 and gear 5 rotates, and gear 5 drives 6 actions of dead bolt tooth bar, thereby realizes unblanking.Make the key return after unblanking to finish, clutch discs 9 is return under spring 11 effects, and gear 5 is return under the effect of dead bolt tooth bar 6, key is extracted get final product.The groove 25 and the setting of the annular groove 26 on the latch 14 on one's body of key spoon is in order to economize on electricity, and promptly electromagnet 2 need not in running order always in the process of unblanking.

Optical signal emission microprocessor 21 in the key presets password, when dispatching from the factory with lock body in optical signal receive microprocessor 17 and carried out information exchange, can directly be used in this lock.If the password of key changes, just can open this lock after must confirming through the study of lock.It is invalid not having the key through study.A lock can learn to confirm 12 keys at most.

Study affirmation process is as follows: key is inserted keyhole, pin functional switch more than 32 4 seconds, green indicator lamp 34 is once glittering, release-push is pinned functional switch more than 32 4 seconds again within four seconds afterwards, green indicator lamp 34 is bright, release-push functional switch 32, make photoemission cell 23 emission optical signals by on the key press button 22 then, the optical signal in the lock body receives 17 of microprocessors and reads sign indicating number and storage, and key just can use after study was confirmed to finish.

Clearing password: be the clearing password of storing in the lock body, key is inserted keyhole, pin functional switch earlier more than 320 seconds, red indicator lamp 33 is once glittering, release function switch 32, pin again within 4 seconds afterwards functional switch more than 320 seconds red indicator lamp 33 glittering, release function switch 32, green subsequently indicator lamp 34 bright expressions are removed passwords and are finished.

Claims

1. Information Authentication coded lock, comprise tapered end and with the supporting key of tapered end, it is characterized in that: electromagnet (2) is housed in the lock body of described tapered end (1), electromagnet (2) is by the light signal receiving control that is contained in the lock body (1), be rotatably connected to mandrel (3) in the lock body (1), one end of mandrel (3) leans out and by key actuated to keyhole (4), also be provided with in the lock body (1) unlocking mechanism and can with clutch and that drive by the armature (8) of electromagnet (2) the mutually clutch of unlocking mechanism, mandrel (3) drives the unlocking mechanism action by clutch structure, and described key is provided with the optical signal launcher that presets password.

2. Information Authentication coded lock according to claim 1, it is characterized in that: described unlocking mechanism comprises gear (5) that is rotatably connected on electromagnet (2) shell and the dead bolt tooth bar (6) that cooperates with gear (5), the end face of gear (5) is provided with inserted block (7), described clutch comprises clutch discs (9), clutch discs (9) is provided with the slot (10) corresponding with inserted block (7) position, clutch discs (9) is packed on the armature (8), armature (8) slip cap is contained on the mandrel (3), is provided with spring (11) between clutch discs (9) and the electromagnet (2).

3. Information Authentication coded lock according to claim 1, it is characterized in that: described unlocking mechanism comprises gear (5) that is rotatably connected on the mandrel (3) and the dead bolt tooth bar (6) that cooperates with gear (5), gear (5) is provided with jack (12), described clutch comprises clutch discs (9) and follower disk (13), clutch discs (9) is positioned between gear (5) and the electromagnet (2), be provided with spring (11) between clutch discs (9) and the gear (5), clutch discs (9) goes up affixed latch (14), latch (14) is inserted in the jack (12), opposite side and slip cap that follower disk (13) is positioned at gear (5) are contained on the mandrel (3), be connected with the stage clip (15) that itself and gear (5) are adjacent on the follower disk (13), follower disk (13) is provided with the pin-and-hole (16) corresponding with jack (12) position.

4. Information Authentication coded lock according to claim 1, it is characterized in that: described optical signal launcher comprises optical signal emission microprocessor (21), be connected in series press button (22) on the power supply circuits of optical signal emission microprocessor (21), the output of optical signal emission microprocessor (21) is electrically connected photoemission cell (23).

5. Information Authentication coded lock according to claim 1, it is characterized in that: described light signal receiving comprises that optical signal receives microprocessor (17), optical signal receives the power switch (18) that serial connection on the power supply circuits of microprocessor (17) can be pushed by key, the input that optical signal receives microprocessor (17) is electrically connected with the photoelectric receiving tube (19) that energy receiving optical signals emitter is signaled, and optical signal receives the conducting of an output control electromagnet (2) of microprocessor (17).

6. Information Authentication coded lock according to claim 5 is characterized in that: described power switch (18) is connected with the switch lever (20) that is contained on the lock body (1), and power switch (18) is realized connecting by key push switch bar (20).

7. Information Authentication coded lock according to claim 6, it is characterized in that: described unlocking mechanism comprises gear (5) that is rotatably connected on electromagnet (2) shell and the dead bolt tooth bar (6) that cooperates with gear (5), fit with the block (36) that is fixed on the lock body (1) in the outer face of gear (5), be provided with top spring (37) between the inner face of gear (5) and lock body (1), the outer face of gear (5) is provided with inserted block (7), described clutch comprises clutch discs (9), clutch discs (9) is provided with the slot (10) corresponding with inserted block (7) position, clutch discs (9) is packed on the armature (8), armature (8) slip cap is contained on the mandrel (3), be provided with spring (11) between clutch discs (9) and the electromagnet (2), inserted block (7) is provided with the unciform process (24) that can hook clutch discs (9), is provided with on the key and switch lever (20) position corresponding groove (25).

8. Information Authentication coded lock according to claim 6, it is characterized in that: described unlocking mechanism comprises gear (5) that is rotatably connected on the mandrel (3) and the dead bolt tooth bar (6) that cooperates with gear (5), gear (5) is provided with jack (12), described clutch comprises clutch discs (9) and follower disk (13), clutch discs (9) is positioned between gear (5) and the electromagnet (2), be provided with spring (11) between clutch discs (9) and the gear (5), clutch discs (9) goes up affixed latch (14), latch (14) is inserted in the jack (12), opposite side and slip cap that follower disk (13) is positioned at gear (5) are contained on the mandrel (3), be connected with the stage clip (15) that itself and gear (5) are adjacent on the follower disk (13), follower disk (13) is provided with the pin-and-hole (16) corresponding with jack (12) position, latch (14) is provided with the annular groove (26) that can block to follower disk (13), is provided with on the key and switch lever (20) position corresponding groove (25).