CN204571530U

CN204571530U - Coded lock

Info

Publication number: CN204571530U
Application number: CN201520274099.4U
Authority: CN
Inventors: 张贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-04-30
Filing date: 2015-04-30
Publication date: 2015-08-19
Anticipated expiration: 2025-04-30

Abstract

Coded lock of the present utility model, is realize password comparison along moving radially of cipher wheel by latch design, the shaft bending of cipher wheel can not be caused during password comparison to be out of shape, and improves flexibility during application life and the cipher wheel rotation of lock; Coordinate locking groove limit for cryptographic wheel to rotate in case the method that stop-pass crosses mechanical comparison obtains password by latch, password loss phenomenon can not be produced; In addition this lockset also has the close function of unrest when opening, better protects the safety of password; Not only project organization is simple for this lockset, security performance reliable, and it is larger to decode difficulty.

Description

Coded lock

Technical field

The utility model belongs to mechanical lock, particularly a kind of mechanical code lock.

Background technology

In life, in order to improve the theftproof performance of mechanical lock, in mechanical lock, usually arrange Cipher mechanism, only having Password Input correctly to lock afterwards could be opened by machinery.

The mechanical mechanism that existing mechanical cipher lock cipher adopts, existing can by the wretched insufficiency of technical opening.The existing mechanical code lock means of decoding have two kinds: the first is known by the mechanism that ray scanning lock is inner; The second is by carrying out unlocking action, (principle of mechanical cipher is by arranging the password groove and code pins that complement one another between cipher wheel and lock pin to make password unit be in comparison state, password groove rotates together in company with cipher wheel, code pins moves together in company with lock pin, when password groove with code pins just pair time then lock pin can move into place, now dead bolt just can be unlocked mechanism open, if when password groove staggers with code pins, then lock pin can not move into place, now dead bolt can not be unlocked.Comparison state refers to that lock to be in the course of action carrying out opening and cipher wheel further state when running that hindered lock pin), then the driving wheel by Password Input mechanism, driving cipher wheel being rotated rotates, driving wheel drives cipher wheel to turn to correct password position and password groove when aliging with code pins, then can hear the obviously motion and sound of alignment or the change of perception lock pin position, thus learn password.Below the second means of decoding are called mechanical comparison method.Moreover have the following disadvantages when existing mechanical code lock uses: after coded lock is opened, code pins inserts password groove, now cipher wheel will be fixed, Password Input mechanism cannot be rotated, correct password will be presented in public like this, easily divulge a secret.

The first means of decoding, can solve by arranging the coating preventing ray from passing in lock; And for mechanical comparison method, still lack effective at present and do not affect the crack method of the normal use of lock.

Summary of the invention

An object of the present utility model is intended to provide a kind of and can prevents mechanical comparison method from carrying out unblanking and can not produce the mechanical code lock of password loss phenomenon, lacks effective to solve and does not affect the problem of the crack method of the normal use of lock for mechanical comparison method.

Another object of the present utility model is intended to provide a kind of coded lock, throws away can rotate Password Input mechanism controls cipher wheel and carry out random space-in and be, to solve the problem of cryptosecurity after unlatching.

Above technical problem is solved by following technical proposal: a kind of coded lock, comprise opening mechanism, Password Input mechanism and password unit, described Password Input mechanism is connected with cipher wheel by password wheel shaft, the process of Password Input is reached by the rotation direction of password groove in rotational password input mechanism control cipher wheel, described opening mechanism comprise hand and the folding hand that is attached thereto convex axle, described folding hand is connected with push rod on convex axle, turn hand time, folding hand drives push rod to rotate on convex axle, during pushrod movement, lock pin moving radially along cipher wheel can be controlled, described folding hand is equipped with buoyancy body above convex axle, when folding hand rotates convex axle, buoyancy body also links thereupon together, described password unit comprises the lock pin of cipher wheel and opening mechanism control, the code pins complemented one another and password groove is provided with between described lock pin and described cipher wheel, described password unit also comprises and to be arranged on above cipher wheel and the latch in the buoyancy body stoping described cipher wheel to be rotated complemented one another with cipher wheel and the locking groove in cipher wheel, the moment that in process of unblanking, the latch of buoyancy body head enters locking groove enters moment of password groove early than code pins, described latch is provided with spring, can ensure when latch enters locking groove completely, when code pins not yet enters password groove, buoyancy body still can be drawn close downwards cipher wheel and be done radial motion, described cipher wheel is provided with the cipher wheel groove of concave inward structure, the degree of depth of cipher wheel groove is identical with the degree of depth of password groove, described code pins is provided with groove, the degree of depth of code pins upper groove is identical with the degree of depth of cipher wheel groove, the width of the groove of code pins is identical with the length of password groove, the thickness of code pins is identical with the width of password groove, when code pins inserts password groove completely, Password Input mechanism controls cipher wheel can freely be rotated, carry out the close operation of unrest.

In the process of unblanking, in the process of i.e. password comparison, in company with hand upper folding hand the rotation of convex axle, buoyancy body rotates around buoyancy body axle, especially, folding hand is designed to triangle convex axle, latch on buoyancy body head is drawn close cipher wheel downwards and is done radial motion, code pins and password groove draw close motion, latch injects the moment of moment early than code pins insertion password groove of locking groove, if password not pair time, then before cipher wheel prevention code pins continues to move ahead by lock unlatching, latch inserts locking groove, cipher wheel is stuck and can not be rotated together in company with Password Input mechanism, thus password cannot be known by mechanical comparison method, can also play and prevent password wheel shaft and code pins from producing bending effect, and now folding hand convex for triangle axle by buoyancy body afterbody top to peak, latch inserts the bosom of locking groove, if when Password Input is correct, rotary handle can be continued, promote code pins and do radial motion to cipher wheel, insert password groove, meanwhile, folding hand continues convex for triangle axle to rotate, due to the effect of buoyancy body back-moving spring, buoyancy body afterbody starts to fall after rise, latch leaves locking groove gradually, when code pins enters password groove completely, buoyancy body resets completely, latch leaves locking groove completely, cipher wheel freely can be rotated by the control of Password Input mechanism.

As preferably, difficulty is decoded for improving, can according to practical service environment, arrange multiple cipher wheel, juxtaposition is on a password wheel shaft simultaneously for described cipher wheel, and each cipher wheel controls separately by Password Input mechanism, each cipher wheel is provided with password groove, especially, when only having the password groove in all cipher wheel to aim at code pins, lock just can be opened.

As preferably, described code pins is the pin moved radially along cipher wheel.

As preferably, described cipher wheel and Password Input mechanism coaxially can link together to clutch.

As preferably, described buoyancy body is provided with buoyancy body and regulates silk, by adjustment buoyancy body regulate silk height can control the sensitivity of buoyancy body.

As preferably, buoyancy body afterbody is provided with buoyancy body back-moving spring.

The utility model has following advantage, is to realize password comparison along moving radially of cipher wheel by latch design, and the shaft bending of cipher wheel can not be caused during password comparison to be out of shape, and improves flexibility during application life and the cipher wheel rotation of lock; Coordinate locking groove limit for cryptographic wheel to rotate in case the method that stop-pass crosses mechanical comparison obtains password by latch, password loss phenomenon can not be produced; Can also carry out the close operation of unrest when lock is opened, the password made is safer.This lockset project organization is simple, security performance reliable, decodes difficulty larger.

Accompanying drawing explanation

Schematic internal view when Fig. 1 is the utility model coded lock open mode.

Schematic internal view when Fig. 2 is the utility model coded lock locking states.

Fig. 3 turns hand schematic internal view when being the utility model coded lock Password Input mistake.

Fig. 4 is the outside schematic diagram of the utility model coded lock.

Fig. 5 is the utility model cipher wheel sectional view.

Fig. 6 is the utility model code pins schematic diagram.

In the drawings, 1. buoyancy body, 2. spring, 3. cipher wheel, 4. latch, 5. hand handle, 6. Password Input mechanism, 7. password wheel shaft, 8. buoyancy body axle, 9. lock body, 10. password groove, 11. code pins, 12. buoyancy body regulate silk, 13. buoyancy body back-moving springs, the convex axle of 14. folding handle, 15. push rods, 16. dead bolts, 17. password indicateing arms, 18. cipher wheel grooves.

Detailed description of the invention

The utility model is described in further detail for embodiment plan given below; but can not be interpreted as it is restriction to the utility model protection domain; those skilled in the art to nonessential improvement and adjustment more of the present utility model, still belong to protection domain of the present utility model according to the utility model content.

As shown in Figures 1 to 6, a kind of coded lock, comprise opening mechanism, Password Input mechanism 6 and password unit, described Password Input mechanism 6 is connected with cipher wheel 3 by password wheel shaft 7, the rotation direction controlling password groove 10 in cipher wheel 3 by rotational password input mechanism 6 reaches the process of Password Input, described opening mechanism comprise hand 5 and the folding hand that is attached thereto convex axle 14, described folding hand is connected with push rod 15 on convex axle 14, turn hand 5 time, folding hand drives push rod 15 to rotate on convex axle 14, when push rod 15 moves, lock pin moving radially along cipher wheel 3 can be controlled, described folding hand is equipped with buoyancy body 1 above convex axle 14, when folding hand rotates convex axle 14, buoyancy body 1 also links thereupon together, described password unit comprises the lock pin of cipher wheel 3 and opening mechanism control, the code pins 11 and password groove 10 that complement one another is provided with between described lock pin and described cipher wheel 3, described password unit also comprise to be arranged on above cipher wheel 3 and with cipher wheel 3 complement one another for stop described cipher wheel 3 to be rotated buoyancy body 1 on latch 4 and locking groove in cipher wheel 3.

The moment that in process of unblanking, the latch 4 of buoyancy body 1 head enters locking groove enters moment of password groove 10 early than code pins 11, described latch 4 is provided with spring 2, can ensure when latch 4 enters locking groove completely, when code pins 11 not yet enters password groove 10, buoyancy body still can be drawn close cipher wheel 3 downwards and be done radial motion, described cipher wheel 3 is provided with the cipher wheel groove 18 of concave inward structure, the degree of depth of cipher wheel groove 18 is identical with the degree of depth of password groove 10, described code pins 11 is provided with groove, the degree of depth of code pins 11 upper groove is identical with the degree of depth of cipher wheel groove 18, the width of the groove of code pins 11 is identical with the length of password groove 10, the thickness of code pins 11 is identical with the width of password groove 10, when code pins 11 inserts password groove 10 completely, Password Input mechanism 6 controls cipher wheel 3 and can freely rotate, carry out the close operation of unrest.

Only arrange a cipher wheel 3 for ease of introducing the present embodiment, cipher wheel 3 and Password Input mechanism 6 coaxially can link together to clutch.

Code pins 11 is the pin moved radially along cipher wheel 3.

Buoyancy body 1 afterbody is provided with buoyancy body and regulates silk 12, by adjustment buoyancy body regulate silk 12 height can control the sensitivity of buoyancy body 1.Buoyancy body 1 afterbody is provided with buoyancy body back-moving spring 13.

In the process of unblanking, in the process of i.e. password comparison, in company with hand folding hand on 5 the rotation of convex axle 14, buoyancy body 1 rotates around buoyancy body axle 8, especially, folding hand is designed to triangle convex axle 14, latch 4 on buoyancy body 1 head is drawn close cipher wheel 3 downwards and is done radial motion, code pins 11 and password groove 10 draw close motion, the moment that latch 4 injects locking groove inserts moment of password groove 10 early than code pins 11, if password not pair time, then code pins 11 is stoped to continue to move ahead and be about to before lock opens in cipher wheel 3, latch 4 inserts locking groove, cipher wheel is stuck and can not be rotated together in company with Password Input mechanism 6, thus password cannot be known by mechanical comparison method, can also play and prevent password wheel shaft 7 and code pins 11 from producing bending effect, and now folding hand convex for triangle axle by buoyancy body 1 afterbody top to peak, latch 4 inserts the bosom of locking groove, hand can not be rotated further 5, if when Password Input is correct, rotary handle 5 can be continued, promote code pins 11 and do radial motion to cipher wheel 3, insert password groove 10, meanwhile, folding hand continues convex for triangle axle to rotate, due to the effect of buoyancy body back-moving spring 13, buoyancy body afterbody starts to fall after rise, latch 4 leaves locking groove gradually, when code pins 11 enters password groove 10 completely, buoyancy body resets completely, latch 4 leaves locking groove completely, cipher wheel 3 freely can be rotated by the control of Password Input mechanism 6.

Claims

1. coded lock, comprise opening mechanism, Password Input mechanism (6) and password unit, it is characterized in that described Password Input mechanism (6) is connected with cipher wheel (3) by password wheel shaft (7), described opening mechanism comprises hand (5) and the folding hand that is attached thereto convex axle (14), described folding hand is connected with push rod (15) on convex axle (14), described folding hand is equipped with buoyancy body (1) convex axle (14) top, described password unit comprises the lock pin of cipher wheel (3) and opening mechanism control, the code pins (11) and password groove (10) that complement one another is provided with between described lock pin and described cipher wheel (3), described password unit also comprise be arranged on cipher wheel (3) top and with cipher wheel (3) complement one another for stop described cipher wheel (3) to be rotated buoyancy body (1) on latch (4) and locking groove in cipher wheel (3), described latch (4) is provided with spring (2), described cipher wheel (3) is provided with the cipher wheel groove (18) of concave inward structure, the degree of depth of cipher wheel groove (18) is identical with the degree of depth of password groove (10), described code pins (11) is provided with groove, the degree of depth of code pins (11) upper groove is identical with the degree of depth of cipher wheel groove (18), the width of the groove of code pins (11) is identical with the length of password groove (10), the thickness of code pins (11) is identical with the width of password groove (10).

2. coded lock according to claim 1, is characterized by: described code pins (11) is the pin moved radially along cipher wheel (3).

3. coded lock according to claim 1, is characterized by: described cipher wheel (3) and Password Input mechanism (6) coaxially can link together to clutch.

4. coded lock according to claim 1, is characterized by: described buoyancy body (1) afterbody is provided with buoyancy body and regulates silk (12), by adjustment buoyancy body regulate silk (12) height can control the sensitivity of buoyancy body (1).

5. coded lock according to claim 1, is characterized by: described buoyancy body (1) afterbody is provided with buoyancy body back-moving spring (13).

6. coded lock according to claim 1, is characterized by: described cipher wheel (3) is at least one.

7. coded lock according to claim 1, is characterized by: folding hand is designed to triangle convex axle (14).