CN201627427U - Key-password serial lock - Google Patents

Abstract

The utility model discloses a key-password serial lock, comprising a master lock and subsidiary locks. One end of a lock rod of the master lock is extended into the front ends of the lock cores of the subsidiary locks to control the moving and stopping of steering of the lock cores and simultaneously stretches and strides over the lock cores of the subsidiary locks to be extended into a hook to cause the hook not to be extracted from the lock. The front-end axes of the lock cores of the subsidiary locks are provided with two concave-convex wheels, and each concave-convex wheel is formed by combining a semi-circle with a semi-ellipse. The two concave-convex wheels are used for respectively controlling the stretching-out and stretching-in of the lock rods of two subsidiary locks to control the unlocking and locking of the two subsidiary locks. When a key is rotated in an anti-clockwise direction, the subsidiary lock 1 is unlocked, a password protection cover is automatically opened, and the subsidiary lock 2 is not unlocked and keeps locked. After passwords are input and the master lock is unlocked, the lock rod can not block the lock cores of the subsidiary locks to rotate, the key can be rotated in a clockwise direction to unlock the subsidiary lock 2, and the subsidiary lock 1 is not unlocked and keeps locked. The combining use of the key and the passwords can prevent a master key, a screwdriver, and the like from technically unlocking the subsidiary locks and can also prevent the password knob of the master lock from exposing to effectively protect the passwords.

Description

The key cipher chain lock

Technical field

The utility model relates to a kind of mechanical lock, and especially a kind of key cipher chain lock can more effectively prevent people's stolen property in life.

Background technology

In the field of mechanical lock, people constantly improve in the hope of improving theftproof performance its structure.

At present, public known mechanical cylinder lock is to be made of lock body, latch hook, lock core, spring, pellet shot from a slingshot, key etc., one group of tooth of a key, the concavo-convex tooth group of key front end is partly inserted in the lock core and with concavo-convex tooth and is pushed pellet shot from a slingshot up and down open, lock core is not blocked and rotates and to open lock, principle is a key operated lock, and one can open many locks to master key; Its structure also can't prevent the technical unlocking of instruments such as screwdriver.

At present, the mechanical code lock of public known suitcase is to be made of locking bar, password knob, combination disk, password bolt, release knob, screw, spring etc., utilize the Push And Release of the concavo-convex position control password bolt on the combination disk, the password knob drives combination disk, and to rotate to recess be the correct position of password, simultaneously the password bolt under the active force of spring, move a certain distance and maintenance closely to contact with combination disk be the unlatching of password bolt; Moving of password bolt control locking bar with fixed, the password bolt is opened locking bar is not fixed, and release knob just can freely promote locking bar and unlatching lock; Principle is that one group of password is opened a lock, and outside the password knob of this coded lock was exposed to, operation back password knob failed in time to transfer disorderly to make password be peeped easily and usurp; Leave the position that inner cipher dish recess can be observed in big slit after seeing through the part assembling, be careful and adjust the password knob till the decryption, it is antitheft that coded lock is lost.

Summary of the invention

The purpose of this utility model is to carry encircleing a kind of more antitheft mechanical lock of comparing with existing structure, and it can prevent the technical unlocking of instruments such as master key and screwdriver, thereby the password knob that also can prevent coded lock is exposed to the outer password of effectively protecting.

Technical scheme: for realizing the purpose of this utility model the promptly secondary lock one of key lock, the promptly main lock of coded lock, promptly secondary lock two formations of key lock need be arranged, thereby the main lock cipher knob of secondary lock one protection is not exposed to the outer password of effectively protecting; The secondary lock two of secondly main lock control can't rotate, and causes and can't open; The outer box of secondary once more lock two protection locks, hook and inner body are not disassembled.

To be that main lock locking bar one end is other be equipped with a main lock and open and concavo-convexly take turns and connect a crank its major and minor lock combining structure, the stretching out and stretch into the i.e. Push And Release of the main lock of control of its forward and reverse main lock of control locking bar that rotates to an angle; The other end of crank has a password bolt, moving of the Push And Release control crank rotation of password bolt with fixed, one group of combination disk is adorned on password bolt next door, utilize the outer ring password of combination disk closely to rotate with the password bolt and contact the Push And Release of controlling the password bolt, combination disk is rotated 36 degree under the drive of password knob be one yard; The main locking bar other end of locking stretches into the moving and fixed Push And Release of promptly controlling secondary lock that the secondary lock pin of secondary lock pin front-end control turns to, and extends simultaneously and strides across secondary lock pin and stretch into hook on one side, makes hook can't extract lock body; Secondary lock pin front end is equipped with two concavo-convex wheels on the axle center, and each concavo-convex wheel by semicircle and semiellipse combines, and locks stretching out of locking bars and stretches into the Push And Release of controlling two secondary locks thereby control two pairs respectively.Secondary lock one unlatching and cryptoguard lid were opened automatically when key rotated in the counterclockwise direction, and the second moving continuation of secondary lock keeps closing; The main lock of input password unlatching back locking bar then can not block secondary lock pin rotation, but key ability clockwise direction rotarily opens secondary lock two, and secondary lock moves first and continues to keep cutting out; Promptly one turns to and can only open one pair locked, and another is then untouched moving.

Beneficial effect: because of the utility model by major and minor lock constitute integrally formed key, password is protected mutually, key, a password tool versatile person can correctly open; Secondary lock one can lock and protect main lock cipher knob not expose at any time; Main lock can conveniently be revised password and can not lock according to actual conditions and only stay pair lock two antitheft, the convenient use; Detachable lock body renewal part.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

The the 1st to 5 page is part number of assembling steps of the present utility model, and Figure 101,102,103,104,105,106,107,108,109,110 is respectively a step 1,2,3,3,4,5,6,7,8,9,10.

The 6th page of Figure 20 1 is part assembly drawing of the present utility model.

The 7th page of Figure 30 1 is the major and minor lock combination assumption diagram of first embodiment of key cipher chain lock.

The 7th page of Figure 30 2 is major and minor lock unlatching transmission process figure of second embodiment of key cipher chain lock.

The 8th page of Figure 30 3 is change of secret code drive mechanism figure of the 3rd embodiment of key cipher chain lock.

The 8th page of Figure 30 4 is the 4th cryptographic function that example is executed of key cipher chain lock and using method figure.

9th, 10,11 pages of Figure 40 1,402,403,404,405,406 are respectively steps 1,2,3,4,5, the 6th, and the 5th embodiment of key cipher chain lock tears locking method figure open.

The 20th page of Figure 50 1 is outline dimensional drawing of the present utility model.

Part drawing of the present utility model comprises the 12nd, 17,18,19 page, and ratio is 1: 1; 13rd, 14,15,16 pages, ratio is 2: 1; The title of part, figure number, code name are as follows successively:

Title	Figure number	Code name		Title	Figure number	Code name
							Two switches are concavo-convex takes turns for secondary lock	Fig. 1	1		The auxiliary lock core marble pressuring spring	Figure 18	18
One switch is concavo-convex takes turns for secondary lock	Fig. 2	2		Auxiliary lock core pellet shot from a slingshot A	Figure 19	19
							Secondary lock pin	Fig. 3	3		Auxiliary lock core pellet shot from a slingshot B	Figure 20	20
Main lock locking bar	Fig. 4	4		Locking bar and the extension spring of password bolt	Figure 21	21
							Secondary lock two locking bars	Fig. 5	5		Main lock locking bar pilot pin	Figure 22	22
The password setting plate	Fig. 6	6		The combination disk stage clip	Figure 23	23
							The password setting button	Fig. 7	7		Cryptoguard lid axis of rotation	Figure 24	24
Combination disk	Fig. 8	8		The cryptoguard lid is opened catapult	Figure 25	25
							The password rotating shaft	Fig. 9	9		Crank	Figure 26	26
Main lock-switch is concavo-convex takes turns	Figure 10	10		Password knob Location resilient piece	Figure 27	27
							The password knob	Figure 11	11		The crank axis of rotation	Figure 28	28
Main lock-switch	Figure 12	12		The assembly location-plate	Figure 29	29
							Secondary lock one locking bar	Figure 13	13		The cryptoguard lid	Figure 30	30
The password bolt	Figure 14	14		Hook	Figure 31	31
							Auxiliary lock core positioning of rotating bolt	Figure 15	15		Outer box	Figure 32	32
Hook is extracted limited bolt	Figure 16	16		Inner box	Figure 33	33
							Link up with spacing stage clip	Figure 17	17

The specific embodiment

In first embodiment shown in the 7th page of Figure 30 1 of accompanying drawing, master's lock locking bar (4) one ends are other to be equipped with main lock unlatching concavo-convex a wheel (10) and to connect a crank (26), but main lock opens the concavo-convex promptly main lock of stretching out of the control lock bar that rotates to an angle of taking turns and cuts out, crank rotates to an angle under the pulling force of main lock locking bar simultaneously, when crank under the pulling force of extension spring (21) during the reverse rotation certain angle the main lock that stretches into of control lock bar open, the other end of crank has a password bolt (14); Moving of Push And Release control crank (26) rotation of password bolt with fixed, one group of combination disk (8) is adorned on password bolt next door, utilize the outer ring password of combination disk to contact the Push And Release of controlling the password bolt with the tight rotation of password bolt, password proper password bolt is opened immediately automatically when all combination disk rotate to the tram, otherwise then close crank is fixed, main lock locking bar (4) can't stretch into, and blocks secondary lock two lock cores (3) and can't rotate; The Push And Release of combination disk (8) control password bolt (14), a combination disk can be regulated a password, and two groups of passwords of outer ring and inner ring are arranged on each combination disk, and the outer ring password divides ten yards for the switch password, is made up of 9 bad passwords and 1 proper password; The inner ring password is that Change Password divides ten yards, and password rotating shaft (9) can be inserted wherein any one yard password as final modification, and combination disk is rotated 36 degree under the drive of password rotating shaft be one yard.

Main lock locking bar (4) other end stretches into fixed and moving that secondary lock pin (3) front end axle center control lock core turns to, and extends simultaneously and strides across secondary lock pin and stretch into hook on one side, makes hook (31) can't extract lock body; Secondary lock pin (3) is equipped with two concavo-convex wheels (1,2) on the front end axle center, and each concavo-convex wheel by semicircle and semiellipse combines, control two secondary lock locking bars (13,5) respectively thus stretch out with stretching into and control two secondary Push And Releases of locking; A secondary locking bar (13) stretches in cryptoguard lid (30) bayonet socket, and the cryptoguard lid can't be opened; Secondary two locking bars (5) stretch into the another side of hook (31), make hook (31) can't extract lock body.Secondary lock one unlatching and cryptoguard lid were opened automatically when key rotated in the counterclockwise direction, and the second moving continuation of secondary lock keeps closing; The main lock of input password unlatching back locking bar then can not block secondary lock pin rotation, but key ability clockwise direction rotarily opens secondary lock two, and secondary lock moves first and continues to keep cutting out; Promptly one turns to and can only open one pair locked, and another is then untouched moving.

In second embodiment shown in the 7th page of Figure 30 2 of accompanying drawing, auxiliary lock core (3) Rotate Left, promptly secondary concavo-convex wheel the (a 2) Rotate Left, concavo-convex convex surface of taking turns promotes a secondary locking bar (13) and stretches out the 2.0MM distance to the right and release cryptoguard lid (30) bayonet socket, and it is that the cryptoguard lid is opened automatically that secondary lock one is opened; Rotating password rotating shaft (9) one by one drives combination disk (8) to rotate to recess is the proper password position, extension spring (21) pulling password bolt (14) stretches out 1.5MM to the right and keeps closely contacting with combination disk, be that the password bolt is opened, opening that main lock-switch is concavo-convex again and take turns (10) makes crank (26) not be subjected to qualifying bit to be rotated to an angle and drive main lock locking bar (4) by another extension spring (21) pulling to stretch into, pull out in auxiliary lock core (3) and hook (31) 3.5MM distance, main lock is opened; Auxiliary lock core (3) Rotate Right, promptly secondary two concavo-convex wheel the (1) Rotate Rights, concavo-convex concave surface Contact Pair of taking turns is locked two locking bars (5), and the secondary lock of extension spring simultaneously (21) pulling two locking bars are pulled out in hook 3.5MM distance and are kept taking turns tight contact the, promptly secondary lock two unlatchings with concavo-convex; The hook easy on and off is slided is major and minor lock complete opening but main locking bar and secondary two locking bars are all pulled out hook.

In the 3rd embodiment shown in the 8th page of Figure 30 3 of accompanying drawing, the concave surface position of combination disk during the password mistake (8) does not have to rotate to and coincide with the convex surface position of inner box (33) and be blocked, and password setting button (7) can't be pressed password setting plate (6) and combination disk then can not be changed password; When the concave surface position of combination disk when password is correct (8) rotates to and coincide with the convex surface position of inner box (33), password setting button (7) can be pressed password setting plate (6) and combination disk to moving down the 2.0MM distance, combination disk inner ring code groove will be separated in the boss of password rotating shaft (9), be not subjected to the rotation of password knob (11) and password rotating shaft and rotate, the password rotating shaft promptly is new password with the combination disk groove position that the boss position rotates to new correspondence.

In the 4th embodiment shown in the 8th page of Figure 30 4 of accompanying drawing, password knob (11) is pointed to the proper password position one by one, rotary switch button (12) is promptly opened to opening the position again; Password knob (11) is pointed to the proper password position one by one, and secondly knob master lock-switch button (12) transfers random password knob promptly to cut out to off-position again; If will change password, password knob (11) is pointed to the proper password position one by one, press password setting button (7) again and keep down state, one by one the password knob is pointed to the password position of final modification, unclamp the button of pressing and get final product.

In the 5th embodiment shown in the 9th, 10,11 pages of Figure 40 1,402,403,404,405,406 of accompanying drawing, step 1 Figure 40 1 usefulness key and password are correctly opened, step 2 Figure 40 2 Rotary hanging hooks (31) are to 45～135 degree positions, step 3 Figure 40 3 pushes hook to 3.0～10.0 millimeters deep, step 4 Figure 40 4 maintenances are pushed and are rotated to 180 degree positions again, step 5 Figure 40 5 extracts hook, step 6 Figure 40 6 opens secondary lock and extracts knob (11,12) and button (7) again and again, can dismantle lock body smoothly from hook hole release inner box (33) and inner body at last.

Claims (2)

1. the main lock construction of a key cipher chain lock, by main lock locking bar, hook, secondary lock pin, main lock open concavo-convexly take turns, crank, password bolt, combination disk, password rotating shaft constitute, it is characterized in that main lock locking bar (4) one ends stretch into makes hook can't extract lock body and secondaryly lock two and can't rotate in hook (31) and the secondary lock pin (3), the other end is other to be equipped with main lock unlatching concavo-convex a wheel (10) and to connect a crank (26), and its forward and reverse rotation certain angle promptly are stretching into of main lock locking bar and stretch out; The other end of crank has a password bolt (14), the Push And Release of password bolt control crank rotation moving and fixed, and one group of combination disk (8) is adorned on password bolt next door, contacts the Push And Release of controlling the password bolt with the outer ring password of combination disk with the tight rotation of password bolt; A combination disk can be regulated a password, and two groups of passwords of outer ring and inner ring are arranged on each combination disk, and the outer ring password divides ten yards for the switch password, is made up of 9 bad passwords and 1 proper password; The inner ring password is that Change Password divides ten yards, and combination disk is rotated 36 degree under the drive of password rotating shaft (9) be one yard.

2. the major and minor lock combining structure of a key cipher chain lock, by main lock locking bar, secondary lock pin, hook, secondary lock one open concavo-convexly take turns, secondary lock two is opened and is concavo-convexly taken turns, secondary lock one locking bar, secondary lock two locking bars constitute, it is characterized in that main lock locking bar (4) stretches into fixed and moving that secondary lock pin (3) front-end control lock core turns to, and extend across secondary lock pin and stretch in the hook (31), make hook can't extract lock body; Secondary lock one unlatching concavo-convex wheel (1) and secondary lock two are housed on the secondary lock pin front end axle center open concavo-convex wheel the (2), each concavo-convex wheel by semicircle and semiellipse combines, and follow key turn to respectively control secondary lock one locking bar (13) and secondary lock two locking bars (5) thus stretch out with stretching into and control two secondary Push And Releases of locking.

Images