CN85205675U

CN85205675U - Code lock having two groups by codes

Info

Publication number: CN85205675U
Application number: CN 85205675
Authority: CN
Inventors: 李典卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-12-25
Filing date: 1985-12-25
Publication date: 1987-12-23

Abstract

The utility model provides a code lock having two groups of codes, which has two codes and the does not need a key to unlock. The code is defined by the small pins arranged on the secret code disc, the secret code disc is provided with a positioning notch of code, and the shaft of the lock core is provided with a fixed dialing pin. The code is dialed by toggling the secret code disc, when the secret code is dialed correctly, a ratchet pawl enters the positioning notch of code, the lock core is rotated in integration with the dialing pin and the ratchet pawl, and thereby, the lock is unlocked. The code lock can work with only one secret code as well as with two secret codes simultaneously, when the second secret code is dialed, the alarm can be sent out automatically if an alarm unit is connected. The utility model has the advantages of reliable confidentiality, easy use and simple fabrication process.

Description

Code lock having two groups by codes

The utility model relates to a kind of coded lock.

Be used to lock the pellet shot from a slingshot bullet of house, furniture, vehicle and drawer at present, all need to make to open the lock with the key, people often lose because of key, perhaps because of general idea for the moment with key lock indoor, cabinet is interior or drawer is interior and worries, the lock core of cylinder lock must be used more valuable metallic copper simultaneously, and lock core and key all must use special equipment processing.Because of its combination disk with notch be exposed to outside, can simultaneously with hand stir, simple in structure again by each combination disk for once popular coded lock, and safety is poor, uses also inconvenient.Be used for the lock on the safety cabinet, also need to use key, and only have a cover password, just begin sign indicating number behind rotation 720 degree, combination disk be contained in lock core shaft concentric fixation hollow sleeve pipe on, only have the sleeve pipe with the mandrel relative motion, secret reliability is also not ideal.

The purpose of this utility model is to provide a kind of does not need to use key, have two cover codings, the coded lock reliable, easy to use and that just can process with common apparatus of maintaining secrecy.

For achieving the above object, the utility model adopts following solution: by lock box, lock core, dead bolt, two cover crypto control units, handle, note sign indicating number device, locking closure, drawback lock knob and baffle plate constitute coded lock, lock core is by overcoat, mandrel, combination disk, the dial-up pin, little pin, reed, end cap, ratchet and spring constitute, the dial-up pin directly is fixed on the mandrel, combination disk, reed and end cap are sleeved on the mandrel, under spring action, can control the ratchet of two cover passwords simultaneously, be installed in the outside of lock core sleeve by end cap, the control device of the second cover password is by button, briquetting, knob and spring are formed, briquetting drives the ratchet of controlling on the lock core by spring and knob, to control the second cover password, handle is by junction plate and remember that code-disc and lock core shaft are linked to be an integral body.

The coded lock that the utility model is designed, note sign indicating number device is made up of groove, spring, slide block, note code-disc and junction plate.

The coded lock that the utility model is designed is fitted with little pin respectively on the combination disk, be used for determining that different password ， And have one respectively to the sign indicating number locating notch.

The coded lock that the utility model is designed, handle are by junction plate and remember that code-disc and lock core shaft are linked to be an integral body.

The utility model has following characteristics compared to existing technology: have two cover codings, can also can use two cover passwords simultaneously only with a cover password, do not need to use key, lock core is not necessarily wanted copper material processing, can save a large amount of more valuable metallic coppers.Combination disk is encapsulated in lock core Nei ， And and the standby password of many groups is arranged, and it is convenient to change, and it is reliable to maintain secrecy.Handle is by junction plate and remember that code-disc and mandrel are linked to be an integral body, plays dial-up, sized-multiple, switch door, lock usefulness, does not need to install in addition the handle of switch door.When using the second cover password, just capable of automatic alarm when connecting warning device, be used in critical positions such as warehouse, safe care registry, safety cabinet, effect is even more ideal.

Below in conjunction with drawings and Examples the utility model is described in further detail:

Fig. 1 is the positive view of coded lock;

Fig. 2 is the vertical view after coded lock removes locking closure;

Fig. 3 is the sectional view that the lock core of coded lock amplifies;

Fig. 4 is the three-view diagram of lock core shaft and combination disk assembling;

Fig. 5 is the second cover crypto control unit zoomed-in view.

Coded lock as shown in Figure 1 is by lock box (1), lock core (2), dead bolt (3), the second cover crypto control unit (4), handle (5), note sign indicating number device (6), locking closure (7), spring (32), drawback lock knob (33), and baffle plate (34) is formed, handle (5) is by junction plate (31), note code-disc (30) and mandrel (9) are linked to be an integral body, carry out dial-up during rotation, sized-multiple, open lock and open the door, note sign indicating number device (6) comprises groove (27), spring (28), slide block (29), note code-disc (30) and junction plate (31), slide block (29) and spring (28) are sleeved in the groove (27), effect sliding block (29) at spring (28) slides in groove (27), acts on note code-disc (30).Press first clockwise direction during dial-up, again counterclockwise, clockwise then order is rotated handle (5), drives note code-disc (30) note sign indicating number by junction plate (31); And drives mandrel (9) by note code-disc (30) and rotates, and carries out dial-up by the dial-up pin again.After password is dialled, can unlock deadbolt (3).

The second cover crypto control unit as Fig. 2, coded lock shown in Figure 5 comprises button (26) (do not draw among the figure, cocoa as can be seen from Figure 1), briquetting (23), knob (24) and spring (22,25).Briquetting (23) is installed on the knob (24) with axle, the And that can sway drives control ratchet (20) by knob (24) and spring (25), ratchet (20) is fixing by left and right sides end cap (18,19), the outside And that is installed in lock core sleeve (8) can rotate around fixed axis, controls combination disk the sign indicating number locating notch is unblanked by the effect of spring (21).Clockwise direction is stirred button (26), make knob (after 24) Zhuan Dong And drive briquettings (23) and slip over the left end of ratchet (20), decontrol button (26), knob (24) is revolution rapidly under the effect of spring (25), briquetting (23) has then restored the left end that And pushes down ratchet (20) under the effect of spring (22), what make that the right-hand member of ratchet (20) can not enter combination disk uses the first cover password to sign indicating number locating notch (as shown in Figure 5), just can not unlock deadbolt (3), at this moment by the second cover password, according to first clockwise direction, more counterclockwise, clockwise then order is rotated handle (5), when dialling good password, briquetting (23) with the left end of ratchet (20) head into combination disk to the sign indicating number locating notch, knob (24) drives the left end of briquetting (23) by ratchet (20) under the effect of spring (25), restore to the original state (as shown in Figure 2), and then overlap password by first and carry out dial-up successively, after password is dialled, just can unlock deadbolt (3).

The lock core of coded lock as shown in Figure 3 comprises overcoat (8), mandrel (9), combination disk (10,11,12), right dial-up pin (13), left side dial-up pin (14), little pin (15,16), each a slice of two ends, the reed 17(left and right sides), left end cap (18), right end cap (19), ratchet (20) and spring (21) (as shown in Figure 2), combination disk (10 with dial-up locating notch, 11,12) being sleeved on the last And of mandrel (9) is encapsulated in the lock core (2) together, combination disk is stirred by the dial-up pin that is fixed on the mandrel (9), when password has not been dialled, since ratchet (20) can not enter combination disk to the sign indicating number locating notch, mandrel (9) rotates when rotating handle, with overcoat (8), left end cap (18), right end cap (19) is only done relative motion, and dead bolt (3) remains static motionless.When password has been dialled, since ratchet (20) under the effect of spring (21), enter combination disk to the sign indicating number locating notch, mandrel (9) rotates when rotating handle, with right dial-up pin (13) acting in conjunction, make left end cap (18), right end cap (19) and overcoat (8) become unitary rotation, right end cap (19) is stirred dead bolt (3) and is unblanked, unclamp handle, dead bolt (3) is got back to original position again rapidly under the effect of spring (32), lock is locked, and at this moment if will shake hands counterclockwise to rotate a circle, password is dialled disorderly, dead bolt (3) can not be gone unlatching again, must be again dial-up in order.The password of coded lock is to determine by little pin (25,16) on the combination disk (10,11) and the symmetrical channels on the combination disk (12).Change the little pin (15,16) on the combination disk (10,11), the position on same circumference, two cover passwords all change respectively thereupon.

Coded lock as shown in Figure 4, right dial-up pin (13) and left dial-up pin (14) are separately fixed on the mandrel (9), combination disk (12) is sleeved on the mandrel (9), between the two dial-up pins, one symmetrical channels is arranged in the middle of combination disk (12) right side, notch and right dial-up pin (13) suit ， And can turn an angle around right dial-up pin (13).Right dial-up pin (13) had both stoped combination disk (12) moving axially to the right, again along with the rotation of mandrel (9) is stirred combination disk (10,12) to sign indicating number, left side dial-up pin (14) is along with the rotation of mandrel (9) is stirred core dish (11) to sign indicating number, when password has been dialled, ratchet (20) enter combination disk to the sign indicating number locating notch, with right dial-up pin (13) acting in conjunction, make lock core (2) unitary rotation when rotating handle, stir dead bolt (3) and open lock.

Claims

1, a kind of coded lock, by lock box, dead bolt, lock core, handle, crypto control unit, locking closure, compositions such as drawback lock knob and baffle plate, it is characterized in that, it also has the second cover crypto control unit and note sign indicating number device (6), the second cover crypto control unit is by button (26), briquetting (23), spring (25) and knob (24) are formed, lock core is by overcoat (8), mandrel (9), be sleeved on the combination disk (10 on the mandrel (9), 11,12), be fixed on the dial-up lock (13 on the mandrel (9), 14), little pin (15,16), end cap (18,19), ratchet (20) and spring (21) are formed, combination disk and mandrel are encapsulated in the overcoat (8) of lock core together, can be under spring action to the two cover passwords ratchets (20) of having an effect by end cap (18,19) fixing, be installed in the outside of lock core sleeve (8), the briquetting (23) of the second cover crypto control unit drives the ratchet of controlling on the lock core by spring (25) and knob (24), to control the second cover password.

2, coded lock according to claim 1, it is characterized in that note sign indicating number device (6) is made up of groove (27), spring (28), slide block (29), note code-disc (30) and junction plate (31), act on the slide block (20) of note code-disc (30), by the effect of spring (28), can in groove (27), slide.

3, coded lock according to claim 1 is characterized in that being fitted with respectively on the combination disk (10,11) the little pin (15,16) that is used for determining different passwords.And there is one on the combination disk respectively to the sign indicating number locating notch.

4, coded lock according to claim 1 is characterized in that handle (5) is linked to be an integral body by junction plate (31) and note code-disc (30) with mandrel (9).