CN2307079Y - Mechanical theft-proof puzzle lock - Google Patents

Abstract

The utility model discloses a mechanical theft-proof cipher lock. The utility model is characterized in that a hand wheel is fixed on a soleplate of the lock. A connecting rod arranged in the hand wheel is penetrated through the soleplate of the lock and a lock shell and is connected with a safety rotating disc arranged in the lock shell. An outer lock core is sheathed in a lock core sleeve, and the lock core sleeve is arranged in the hand wheel. A lock tail of the outer lock core is also penetrated through the soleplate of the lock and the lock shell and is fixedly connected with a lock core shaft arranged in the lock shell. The lock core shaft is fixedly connected with a cipher disc arranged in the lock shell. The utility model can effectively prevent the strong breakage of evildoers and improve the reliability of the lock.

Description

A kind of mechanical code anti-theft lock

The utility model relates to the technical field of mechanical lock, specifically a kind of mechanical code anti-theft lock.

Though existing mechanical lock kind is a lot, mostly be unable to undergo the destruction of striking, prize, boring, some locks are easy to be opened by master key in addition, can only play the effect of " anti-gentleman, anti-person of low position ".

The purpose of this utility model is to provide a kind of mechanical code anti-theft lock, and it can stand bad person's destruction.

The technical solution of the utility model is achieved in that a kind of mechanical code anti-theft lock, it comprises lock housing, bottom-locking plate, be contained in the dead bolt in the lock housing, the arm-tie that is connected with dead bolt, lock core that matches with arm-tie and safety block, it is characterized in that: a handwheel is fixed on the bottom-locking plate, the connecting rod that is contained in the handwheel passes bottom-locking plate, lock housing, be connected with the insurance rotating disk in being contained in lock housing, outer lock core is enclosed within the lock core cover, lock core is sleeved in the handwheel, and the lock tail tail of outer lock core also passes bottom-locking plate fixedlys connected with the lock core shaft in being contained in lock housing with lock housing, and this lock core shaft fixedlys connected with the combination disk in being contained in lock housing.

The utility model can prevent the strong destruction that the bad person strikes, prizes, bores effectively owing to a handwheel also is set in that lock core cover is outer, and owing to be provided with combination disk, have only when password and key all when last, can open door, increased the reliability of locking.

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the combination disk schematic diagram among Fig. 1

Fig. 3 is the outer lock core face schematic diagram among Fig. 1

Below in conjunction with drawings and Examples, the utility model will be further described.The utility model comprises lock housing 6, bottom-locking plate 10, be contained in the dead bolt 8 in the lock housing 6, the arm-tie 9 that is connected with dead bolt 8, the interior outer lock core 20 that matches with arm-tie 9,2 and safety block 7, its difference with prior art is: a handwheel 5 is fixed on the bottom-locking plate 10, be contained in the lock core cover 3 and pass the bottom-locking plate 10 insurance rotating disk 11 interior and be connected with being contained in lock housing 6 with connecting rod 12 that outer lock core connects, outer lock core 2 is enclosed within the lock core cover 3, lock core cover 3 is contained in the handwheel 5, the lock tail 1 of outer lock core 2 also passes bottom-locking plate 10 and lock housing 6, fixedly connected with the lock core shaft 4 in being contained in lock housing, this lock core shaft 4 fixedlys connected with combination disk 21, and three cipher chips 16 are housed in combination disk, and spacer ring 15 also is housed in cipher chips, three cipher chips in the combination disk of present embodiment have two to be connected as a single entity, in these two cipher chips the cavity that can hold safety block 7 is arranged, between another sheet and two spacer ring is housed, also be added with spacer ring 15 at two cipher chips that fuse and 9 of arm-ties; Be provided with scale indicating dial 18 on the surface of outer lock core; Opposite side in lock housing is equipped with an internal cylinder 20 and an insurance son 19, internal cylinder 20 is connected with slide-bar 14, and slide-bar 14 is connected with slide plate 13, and slide plate 13 is connected with arm-tie 9 again, internal cylinder 20 and outer lock core 2 be not on same axis, and insurance is dripped son 19 and is connected with safety block 7.Handwheel and dead bolt are all made with steel among the embodiment.

Use of the present utility model is: the part of outer lock core 2 is embedded in the door-plate hole, handwheel 5 places the outside of door-plate, combination disk setting such as 6 inboards that are fixed in door-plate of lock housing of lock housing will be placed, go out need be at closing time as the people, door is pulled on, dead bolt 8 stretches out, and put in the outer lock core 2 with key and to turn around at least, the lock tail 1 of outer lock core 2 drove lock core shaft's commentaries on classics and was with the cipher chips in the merit combination disk to change by lock core shaft this moment, make the not cavity in the retractable cipher chips of safety block, make the lock insurance owing to mend lock core 2 by connecting rod 12 drive insurance rotating disks 11 simultaneously, when need open the door, not only need to open insurance with key, when also needing to drive cipher chips in the combination disk and go to cavity in the safety block retractable cipher chips by lock core shaft by the password that is provided with, rotate dead bolt with handwheel again, Men Caineng opens, if do not employ combination disk, can use by the common mechanical lock, in people's inlet chamber, insurance can be dripped on the subcard, both blocked insurance card, and stoped safety disk to rotate again, the outside is twisted handwheel again and also can't be opened, if will go out, play earlier insurance and drip son, inject in the internal cylinder with key again and drive slide plate and arm-tie by slide-bar, dead bolt can be opened door.The utility model can be widely used on resident's the timber, iron gate, aluminium alloy door.

Claims (3)

1. mechanical code anti-theft lock, it comprises lock housing, bottom-locking plate, be contained in the dead bolt in the lock housing, the arm-tie that is connected with dead bolt, lock core that matches with arm-tie and safety block, it is characterized in that: a handwheel is fixed on the bottom-locking plate, the connecting rod that is contained in the handwheel passes bottom-locking plate, lock housing, be connected with the insurance rotating disk in being contained in lock housing, outer lock core is enclosed within the lock core cover, lock core is sleeved in the handwheel, and the lock tail tail of outer lock core also passes bottom-locking plate fixedlys connected with the lock core shaft in being contained in lock housing with lock housing, and this lock core shaft fixedlys connected with the combination disk in being contained in lock housing.

2. by the described a kind of mechanical code anti-theft lock of claim 1, it is characterized in that: three cipher chips are housed in the combination disk, there are two to be connected as a single entity, in these two cipher chips the cavity that can hold safety block is arranged, between another sheet and two spacer ring is housed, between two cipher chips that fuse and arm-tie, also is added with spacer ring.

3. by claim 1 or 2 described a kind of mechanical code anti-theft locks, it is characterized in that: be provided with the scale indicating dial on the surface of outer lock core; Internal cylinder and outer lock core be not on same axis.

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