CN2216567Y - Puzzle lock - Google Patents

Abstract

The utility model relates to a puzzle lock, which comprises a lock case portion, a bolt and a lock bolt driving mechanism. A plurality of gears superposed with each other are positioned in the lock case. The gear is provided with a notch and a plurality of positioning holes. A positioning hole is inserted with a positioning piece. Each gear is respectively engaged with a driving gear. The end of the bolt is provided with a tail bolt capable of inserting into the notch on the gear and capable of unlocking. The front and back sides of the lock case are provided with a rotary button connected with the driving gear, and a pull knob for driving the bolt in motion. The utility model utilizes the permutation and combination principle, adopts cipher unlocking, achieves the purposes of safety and prevention of being unlocked by others, and avoids the troubles of carrying keys and losing keys.

Description

Ten thousand become coded lock

The utility model relates to a kind of safety lock, specifically is a kind of ten thousand change coded locks.

At present, the door lock that people use has latch lock, padlock, electronic lock and various safety lock, their common feature is all to need to open or close with key, this just exists by extraordinary key, master key or the bitting possibility that row steals of unblanking secretly, and key is not noted having lost yet and caused inconvenience and sense of insecurity to people.Existing safety cabinet all is equipped with coded lock, its structure is the passive metal disk of notched master that comprises scale knob, handle pin rod, inside and outside axle and three above same diameter, and on main passive metal disk appropriate location, stir screw die, according to the password requirement, turn knob successively, make initiatively metal disk rotation, bolt die on it is stirred each passive disk, the breach on each metal disk and the pin rod of handle are aligned, handle is stressed, pin rod enters in the breach automatically, and the cylinder lock that cooperates with encryption apparatus simultaneously could be opened with key.Its complex structure, troublesome poeration, password has only a kind of, after losing or forgeing, is not easy to change again password, but also has the unsafe factor of being decoded by experienced machinist, and is to need with key operated.Do not avoid losing the trouble of key.

The purpose of this utility model just provides a kind of ten thousand and becomes coded lock, and it adopts password unlocking to need not key, and password is of a great variety, thereby makes up the effect that reaches top-secret insurance, safety voluntarily.

The technical solution of the utility model is: comprise the lock box part, the mechanism of dead bolt and driving dead bolt, wherein the afterbody at dead bolt has a tail tongue, the encryption apparatus that cooperates with the tail tongue is arranged in sealed, its structure is to comprise a plurality of gears of mutual superposition up and down, has the breach that cooperates with the tail tongue on each gear, has the location slotted hole on the circumference of tooth radius direction, be inserted with spacer in the location slotted hole therein, each gear all meshes with a driven wheel.

Below in conjunction with embodiment accompanying drawing enumeration the utility model.

At first to description of drawings:

Fig. 1 represents external structure of the present utility model;

Fig. 2 represents the structure chart that the utility model inner cipher structure cooperates with dead bolt;

Fig. 3 represents the structure chart of spacer.

In technique scheme, become several ten thousand times various different conditions and result's permutation and combination principle but the utility model is a basis by several master data permutation and combination, and design the unlatching that a kind of encryption apparatus is controlled dead bolt.Referring to Fig. 2, its structural principle is to utilize driven wheel (4) to rotate and drive each gear (3) respectively and rotate, breach (31) on superimposed up and down a plurality of gears (3) is all aligned with the tail tongue (21) of dead bolt (2), may thereby the unlatching of giving dead bolt (2) provides, drive dead bolt (2) motion by driving mechanism, tail tongue (21) is entered in the common breach (31) that constitutes of each gear (3), reach the purpose of unblanking, to make breach (31) be that predetermined password is decided to the angle of homocercal fin tongue (21) by spacer (5) and the distance between the breach (31) in the location slotted hole (32) and driven wheel (4) driven gear (3) rotates.During concrete the use, driven wheel (4) driven gear (3) is rotated, spacer (5) on the gear (3) is collided with dead bolt (2), and then make driven wheel (4) driven gear (3) rotating certain angle, promptly by the relative position between determined spacer of password (5) and the breach (31), promptly find breach (31) position, because of a password is all arranged on each gear (3), the password combination of a plurality of gears gets up promptly to constitute unlocking cipher, according to the gear (3) after this password rotation, its breach (31) all aligns with the tail tongue (21) of dead bolt (2), tail tongue (21) promptly is moveable to dead bolt (2) is unblanked, because a plurality of location slotted holes (32) are arranged on the circumference of gear (3), spacer (5) is inserted in the different location slotted holes (32), just can constitute different passwords, spacer (5) on a plurality of gears (3) carries out different permutation and combination, the password of unblanking can be ever-changing, a password is given away secrets, can change password again again, other people can't be unblanked, really reach the purpose of top-secret insurance, nor can produce owing to key is lost the trouble that makes lock lose safety even not open and lock.

The utility model is respectively arranged with rotating key (7) that is connected with driven wheel (4) and the turn-knob (6) that drives dead bolt (2) at the front and back of lock box (1).As shown in Figure 1, the utility model is hermetically sealed in lock box (1) with encryption apparatus, human eye be can't see the situation that is provided with of the interior spacer of lock box (1) (5), the password note is in brain, command the rotation of rotating key (7) to carry out arming with brain, unblank with knob (6) rotation, conscientiously reach security insurance, rotation of the present utility model is a kind of thumb wheel that evenly is provided with a plurality of driving levers on circumference by strong (7), be provided with witness marker (8) with the box body (1) of a certain driving lever corresponding position, with driving lever and the corresponding position of witness marker (8) is original position, rotate a circle if press driving lever, the distance that spacer (8) is counted the locating hole of equal number with regard to the driving lever on mobile and the rotating key (7) finds the position of breach (31) with this.According to embodiment shown in the drawings, rotating key (7) goes up altogether, and uniform Design has 6 driving levers, if press driving lever 6 times, be that rotating key (7) is rotated a week, spacer (5) on the gear (3) just moves the distance of 6 locating holes so, according to this design scheme, password is being determined apart from the distance of several locating holes (32) clockwise or counterclockwise by spacer (5) and breach (31), so by clockwise or counterclockwise on rotating key (7), stir driving lever several times, the breach (31) and the tail tongue (21) of dead bolt (2) are aligned, each rotating key (7) is all pressed said procedure steerage gear (3), the breach (31) that finally makes each gear (3) all aligns with the tail tongue (21) of dead bolt (2), to reach the purpose of unblanking.

The ten thousand change coded lock modern designs that the utility model provides, its structure is changed the structure of traditional insurance lock, principle according to permutation and combination, adopt password unlocking, need not key, and password can be ever-changing through permutation and combination, can choose at random password, thereby really reach security insurance, the purpose that other people can't unblank, the utility model had both been exempted the trouble of carrying key, and key loses the back lock and loses the drawback that safety even lock will be abolished, and has easy to usely again, and lock need not keep in repair, the characteristics of long service life bring convenience and safety for people's life.

According to embodiment shown in the drawings, design has four gears (3) of being with breach (31) altogether up and down, be meshed with four driven wheels (4) respectively, going up altogether at each gear (3), design has 14 locating holes (32) evenly to distribute at circumference upper edge radial direction with breach (31), in arbitrary locating hole (32) of each gear (3), be inserted with spacer (5), afterbody at common dead bolt (2) has tail tongue (21) can inject in the breach (31) of gear (3), the mechanism that drives dead bolt (2) motion can adopt eccentric mechanism, camshaft passes gear (3) centre bore and two ends are connected on the handle type turn-knob (6) at the positive back side of lock box (1), rotating pull handle knob (6) eccentric wheel drives dead bolt (2) motion enters in the breach (31) tail tongue (21), unblank, unclamp handle turn-knob (6), return spring resets dead bolt (2), tail tongue (21) withdraws from the breach (31), can lock a door.Be connected at the two ends of four driven wheels (4) axles lock box (1) just, on four rotating key (7) at the back side, rotating key (7) for to have the thumb wheel shape that evenly is provided with six driving levers, is provided with four positioning strips (8) on the box body (1) corresponding with the driving lever of each rotating key (7) altogether.

Claims (3)

1, a kind of ten thousand become coded lock, the mechanism that comprises lock box part, dead bolt and driving dead bolt, feature of the present utility model is that the afterbody at dead bolt (2) has a tail tongue (21), the encryption apparatus that cooperates with tail tongue (21) is arranged in the lock box (1), its structure is to comprise a plurality of gears (3) of mutual superposition up and down, have the breach (31) that cooperates with tail tongue (21) on the gear (3), on around the radial direction, have location slotted hole (32), be inserted with spacer (5) in the location slotted hole (32) therein, each gear all meshes with a driven wheel (4).

2, according to claim 1 ten thousand become coded locks, it is characterized in that lock box (1) just, be respectively arranged with the rotating key (7) that is connected with driven wheel (4) and the knob (6) of driving dead bolt (2) on the back side.

3, according to claim 2 ten thousand become coded locks, it is characterized in that rotary button (7) is a kind of thumb wheel that evenly is provided with a plurality of driving levers on circumference, are provided with witness marker (8) with the box body (1) of a certain driving lever corresponding position.