Self-locking code disc type theftproof cipher lock
Technical field
The present invention relates to puzzle theft-proof lock, particularly a kind of self-locking code disc type theftproof cipher lock.
Background technology
Existing theftproof lock kind is a lot, and several big classes such as cylinder lock, mechanical code lock, electronic password lock are arranged.Cylinder lock need be furnished with the key of unblanking, such lock, by the instrument of special use, staff can the perception pellet shot from a slingshot position in the lock rotor, also lock can be opened without key.The present mechanical code lock that uses, employing be the endoporus location; Because code-disc does not have auto-lock function, can rotate code-disc and adjust password, perception code-disc gap position so it must be equipped with the rotation that mechanical lock limits code-disc, prevents that other people from opening lock; Though adopted dual lockset to strengthen theftproof performance, the mechanical lock theftproof performance that limits the code-disc rotation is poor, in case the promptly rotatable code-disc that is opened is adjusted password, perception code-disc gap position opens it; Not only theftproof performance is still relatively poor, and uses inconvenience, and owner also need use key to open mechanical lock earlier except remembeing password.The confidentiality of electronic puzzle theft-proof lock, theftproof all are better than mechanical code lock, but electric elements are many, break down unavoidably, therefore can not use separately, mostly be furnished with mechanical lockset, when electronic lock breaks down, starting mechanical lock can open door, so owner still need carry key.
Summary of the invention
The purpose of this invention is to provide a kind of self-locking code disc type theftproof cipher lock, it is simple in structure, the energy self-locking code disc, and theftproof performance is strong, and is easy to use, is applicable to the security protection of door, safety cabinet, automobile etc.
Self-locking code disc type theftproof cipher lock of the present invention, comprise lock body, be located at above the lock body to the sign indicating number turn-knob and the turn-knob of unblanking, be connected bottom below the lock body, be located at the code-locked dish in the lock body round pool below the sign indicating number turn-knob, the rotating shaft of sign indicating number turn-knob bottom is inserted in the lock body, and pass code-locked dish and axle sleeve and connect and be one; Overlapping between bottom and code-locked dish have 2 to 5 groups of combination disk, every group of combination disk is made up of an interior fluted disc and the outer tooth disk with its internal tooth engagement, between code-locked dish and adjacent one group of combination disk and one group of combination disk and another organize between the combination disk and be respectively equipped with the leaf spring that is positioned on the lock body; The interior bore edges of outer tooth disk is provided with pusher dog, is located at end in contact on the pusher dog of lower end of pulling out code block below the code-locked dish and adjacent outer tooth disk, the lower end of top outer tooth disk pusher dog and the last end in contact that overlaps following outer tooth disk pusher dog; It is characterized in that the rotating shaft of the turn-knob bottom of unblanking is inserted in the lock body, pass the code-locked cam, code-aiming catch connects to one and stretch out bottom; Between code-locked cam and code-locked dish, be provided with code-locking block, the teeth groove corresponding matching on the crown of code-locking block left end and the code-locked dish circumference, the right-hand member of code-locking block and code-locked cam are close to; Between code-aiming catch and each group combination disk, be provided with code-aiming block, the password groove corresponding matching on the interior fluted disc cylindrical of the left end of code-aiming block and each group combination disk, the right-hand member and the code-aiming catch of code-aiming block are close to.What of combination disk group number are the security performance of this lock depend on, generally use three groups of combination disk suitable.Tooth as the interior fluted disc and the outer dish of every group of combination disk are established 60 five equilibriums just has 216000 groups of passwords available with three groups of combination disk, and the change password is convenient.
Described self-locking code disc type theftproof cipher lock, its leaf spring are annular, and circumference is provided with the locating piece of two symmetries, cooperate with the locating slot at lock body round pool edge.Leaf spring is set, and its effect is to prevent between code-locked dish and the adjacent one group of combination disk, rely on frictional force to drive between one group of combination disk and another group combination disk, makes the code-disc dislocation of aiming at sign indicating number.
Described self-locking code disc type theftproof cipher lock, its code-locked dish by alignment pin with the sign indicating number turn-knob is connected as one, first latch passes axle sleeve and the sign indicating number turn-knob is connected and is one.
Described self-locking code disc type theftproof cipher lock, its code-locked cam and code-aiming catch cooperate with the turn-knob of unblanking by flat key, and second latch passes code-aiming catch and the turn-knob of unblanking connects and is one.Code-locked cam and code-aiming catch and the turn-knob of unblanking were rotated synchronously, can make again the code-locked cam earlier code-locking block to left translation, after will pinning with the code-locked dish that the sign indicating number turn-knob is connected as one, code-aiming catch again code-aiming block to left translation, thereby got rid of possible that the password groove that relies on the sense of hearing and feel to make respectively to organize combination disk aims at the left end of code-aiming block, theftproof performance is strengthened.
Described self-locking code disc type theftproof cipher lock, its code-locking block are located in the pit of lock body between code-locked cam and code-locked dish, and the left side of pit is provided with two first travellers that insert in the code-locking block, and first traveller is provided with first back-moving spring.Unblank turn-knob when not rotating, code-locking block under the effect of first back-moving spring, the crown that makes its left end not with code-locked dish circumferential contact, so, do not hinder rotation to the sign indicating number turn-knob.
Described self-locking code disc type theftproof cipher lock, its code-aiming block and code-locking block are located in the same pit, and are positioned under the code-locking block, and the left side of pit is provided with two second travellers that insert in the code-aiming block, and second traveller is provided with second back-moving spring.Unblank turn-knob when not rotating, code-aiming block does not contact its left end under the effect of second back-moving spring with the cylindrical of the interior fluted disc of each combination disk, so, safety is rotated the sign indicating number turn-knob, can not rely on the sense of hearing and feel that the password groove of three groups of combination disk is aimed at the left end of code-aiming block.
Described self-locking code disc type theftproof cipher lock, its bottom by screw be connected lock body below.Be provided with installing hole below lock body, bottom is provided with corresponding via hole.
The present invention compared with prior art has the following advantages: got rid of and relied on the sense of hearing and the feel possibility that breaks a code, theftproof performance is strengthened; Do not need to be equipped with key, easy to use; Simple in structure, dependable performance.Can be widely used in the security protection of safety cabinet, security door, automobile etc.As being used with electronic password lock, not only very insurance, and open fast, conveniently.
Description of drawings
Fig. 1 is the external form schematic diagram of invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 2.
Fig. 4 is the C-C sectional view of Fig. 2.
Fig. 5 is that the present invention is installed on the body and the schematic diagram that cooperates with dead bolt.
The specific embodiment
Below in conjunction with accompanying drawing structure of the present utility model is further described.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, code-locked dish 5 is packed in the round pool of lock body 1, the rotating shaft of sign indicating number turn-knob 2 bottoms is inserted in the lock body, and pass the code-locked dish, with two alignment pins 14 with the code-locked dish with the sign indicating number turn-knob is connected as one, then, axle sleeve 6 is enclosed within bottom to the sign indicating number turn-knob, passes axle sleeve and the sign indicating number turn-knob connected with first latch 15 and be one;
With the leaf spring 9 of first annular be contained in the code-locked dish below, and the locating piece 9a of two symmetries on the leaf spring circumference is cooperated with the locating slot at lock body round pool edge; First group of combination disk formed in the internal tooth engagement of the external tooth of an outer tooth disk 8 and an interior fluted disc 7, be contained in first leaf spring below; Then, by above method second leaf spring and second group of combination disk, the 3rd leaf spring and second group of combination disk are installed successively;
The rotating shaft of turn-knob 3 bottoms of unblanking is inserted in the lock body, pass code-locked cam 10, code-aiming catch 11, and by flat key 16 code-locked cam and code-aiming catch are cooperated with the turn-knob of unblanking, second latch 17 passes code-aiming catch and connects with the turn-knob of unblanking and be one;
Code-locking block 12 is contained in the pit of lock body between code-locked cam and code-locked dish, two first back-moving springs 19 are contained on two first travellers 18, one end of traveller is installed in the left side of pit, the other end inserts in the code-locking block, and making the crown 12a of code-locking block left end corresponding with teeth groove 5b on the code-locked dish circumference, the right-hand member of code-locking block and code-locked cam are close to;
Code-aiming block 13 is installed in the same pit of code-locking block, and be positioned under the code-locking block, two second back-moving springs 21 are contained on two second travellers 20, one end of traveller is installed in the left side of pit, the other end inserts in the code-aiming block, and making password groove 7a corresponding matching on the interior fluted disc cylindrical of the left end of code-aiming block and each group combination disk, the right-hand member and the code-aiming catch of code-aiming block are close to;
Bottom 4 peaces are covered below lock body, made the bottom 3a of the turn-knob of unblanking stretch out bottom, with screw 22 fixing getting final product.
Referring to Fig. 5, four erection bolts 24 are passed a body 25 be connected with four installing holes 23 on the lock body, the bottom 3a of the turn-knob of unblanking is connected cooperation with dead bolt shifting block 26, can use.During use, by first password of setting, three weeks that turned clockwise are to sign indicating number turn-knob 2, with the code-locked dish 5 that the sign indicating number turn-knob is connected as one also rotation synchronously earlier, after rotating a circle, the last end in contact of the lower end of pulling out code block 5a below the code-locked dish and the outer tooth disk pusher dog 8a of first group of combination disk; After rotating two circles, the lower end of the outer tooth disk pusher dog 8a of first group of combination disk again with the last end in contact of the outer tooth disk pusher dog 8a of second group of combination disk; After rotating three circles, the lower end of the outer tooth disk pusher dog 8a of second group of combination disk again with the last end in contact of the outer tooth disk pusher dog 8a of the 3rd group of combination disk, and aim at first password, at this moment the password groove 7a on the interior fluted disc cylindrical of the 3rd group of combination disk has just aimed at the left end of code-aiming block;
Again by second password of setting, the inhour rotation is to sign indicating number turn-knob 2, code-locked dish 5 is inhour rotation synchronously also, the lower end of dial-up piece 5a below the code-locked dish is from the upper end of the outer tooth disk pusher dog 8a that oppositely stirs first group of combination disk, the lower end of the outer tooth disk pusher dog 8a of first group of combination disk is also from the upper end of the outer tooth disk pusher dog 8a that oppositely stirs second group of combination disk, two week of rotation, second password was aimed in the back, and at this moment the password groove 7a on the interior fluted disc cylindrical of second group of combination disk has just aimed at the left end of code-aiming block;
At last, again by the 3rd password of setting, turn clockwise to sign indicating number turn-knob 2, code-locked dish 5 also turns clockwise synchronously, the lower end of dial-up piece 5a below the code-locked dish is stirred the upper end of the outer tooth disk pusher dog 8a of first group of combination disk again from forward, aim at the 3rd password after rotating a circle, at this moment the password groove 7a on the interior fluted disc cylindrical of the 3rd group of combination disk has just aimed at the left end of code-aiming block;
When unblanking, rotate the turn-knob 3 of unblanking, the code-locked cam 10 and the code-aiming catch 11 that connect as one with the turn-knob of unblanking also rotate synchronously, but code-locked cam 10 earlier with code-locking block 12 to left translation, and make the crown 12a of code-locking block left end and the engagement of the teeth groove 5b on the code-locked dish circumference will be to 2 pinnings of sign indicating number turn-knob, then, code-aiming catch 11 just with code-aiming block 13 to left translation, and the left end that makes code-aiming block inserts in the password groove 7a of three groups of combination disk, and the bottom 3a of the turn-knob of unblanking can stir the dead bolt pulling block, and door is opened.
If it is inconsistent with the password of setting, have the password groove on the interior fluted disc cylindrical of password groove of one group of combination disk and the left end dislocation of code-aiming block at least, the left end of code-aiming block just can not insert in the password groove of three groups of combination disk like this, and the bottom 3a of the turn-knob of unblanking can not stir the dead bolt pulling block and open door.At this moment,, can not rotate, thereby can not rely on the sense of hearing and feel that the password groove of three groups of combination disk is aimed at the left end of code-aiming block the sign indicating number turn-knob though the left end of code-aiming block contacts with interior fluted disc cylindrical.This has just overcome the defective that the existing machinery coded lock exists, and has strengthened theftproof performance.Use this lock, owner does not need to carry key, need only remember password, and is very convenient.If be used with electronic cipher, then better effects if.