CN2255475Y - Puzzle lock - Google Patents

Abstract

The utility model relates to a cipher lock which comprises a handle, a lock tongue with a clamping plate, a number disc, a lock core, a shifting wheel, a cushion ring and a spring. The utility model is characterized in that the spring, the cushion ring and a shifting sheet with a groove are arranged on a lock body sheathed on a string rod. The lateral surfaces of both a gear and the shifting sheet are provided with lug bosses. The lock core is rotated to drive the shifting sheet to rotate around the lock body to enable the groove on the shifting sheet to be corresponding to the clamping plate on the lock tongue. The shock resistance and the safety preventing performance of the utility model are higher than those of a cylinder lock.

Description

Coded lock

The utility model relates to the small stores field, particularly a kind of coded lock.

Being locked in the daily life is an indispensable articles for use, it plays the special gate action that protects, the enhancing of, prevention awareness antitheft along with people, requirement to lockset is more and more higher, the present cylinder lock that generally uses, and it mainly is the purpose that reaches antitheft that cooperates that relies between dead bolt and the lock box, because cylinder lock is some locking, and rely on key operatedly,, the incident that the offender utilizes private bitting row to steal often takes place in recent years so erosion-resisting characteristics and theftproof performance are poor.

The purpose of this utility model provides a kind ofly only to be known unlocking cipher and is holding out the coded lock that just can open door or national treasury door under the condition of coded lock key.

The utility model is to realize like this, it comprises handle, the dead bolt of band clamp, figure disc, lock core, thumb wheel, packing ring and spring is characterized in that the lock body that is enclosed within boom is provided with spring, packing ring and and have a plectrum of groove, the side of gear and plectrum all is provided with boss, can drive plectrum by rotational lock core and rotate around lock body, makes the groove on the plectrum corresponding with the clamp on the dead bolt.

The utility model has improved impact resistance owing to form 2 lockings between dead bolt and the door body, and also because the user must hold key and code number just can be opened door, so its safety precaution is than cylinder lock height.

Below in conjunction with accompanying drawing the utility model is further described,

Fig. 1 is the structural representation of embodiment 1,

Fig. 2 is the structural representation of embodiment 2,

Embodiment 1, as shown in Figure 1, this coded lock comprises handle 1, the dead bolt 2 of band clamp, figure disc 3, lock core 4, packing ring 6-7, spring 8 and gear 9, thumb wheel 10, the lock body 12 that is enclosed within boom 11 is provided with 8, two packing ring 6-7 of spring and plectrum 13-14, on the both sides of plectrum 13, be respectively arranged with boss 15,16, but lock core 4 driven gear 9-10 rotate, again the cooperation by the boss 16-18 on the boss on the thumb wheel 10 15 and the plectrum 13,14, driving plectrum 13-14 rotates around lock body 12, make the groove 19-20 on the plectrum 13-14 relative with clamp 5 on the dead bolt 2, turning handle 1 enters in the groove 19-20 clamp 5, door can be opened.

Embodiment 2, and lock core 4 is inserted in the lock body 12, and the other end makes thumb wheel 10 fixing with lock core 4 with string nail 21, and other is with embodiment 1.

Claims (1)

1, a kind of coded lock, it comprises handle, the dead bolt of band clamp, figure disc, lock core, thumb wheel, packing ring and spring, it is characterized in that the lock body that is enclosed within boom is provided with spring, packing ring and and have the plectrum of groove, the side of gear and plectrum all is provided with boss, can drive plectrum by rotational lock core and rotate, make the groove on the plectrum corresponding with the clamp on the dead bolt around lock body.

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