CN202139913U - Mechanical type cipher theft-proof lock - Google Patents

Abstract

The utility model provides a mechanical type cipher theft-proof lock, which comprises a lock body, a lock core (4) arranged on the lock body, and a lock bolt (6). The lock core (4) is dialed by a key so as to drive the lock bolt (6) to rotate or move. A turnplate control mechanism is provided for controlling the movement of the lock bolt (6). The turnplate control mechanism comprises a number disc (3) and a spacing pin (5). The rotation of the spacing pin (5) is controlled by the number disc. The spacing pin (5) is equipped with an unlocking notch for the movement of the lock bolt (6) when the spacing pin is rotated to be at an unlocking position. The lock bolt (6) is equipped with a locking notch for restricting the movement of the lock bolt when the spacing pin is rotated to be at a locking position. When the lock needs to be unlocked, both the key and the cipher control are adopted for unlocking the lock. Therefore, the anti-riot and anti-theft performances of the lock are significantly strengthened.

Description

The mechanical code theftproof lock

Technical field

The utility model relates to a kind of theftproof lock, is a kind of mechanical puzzle theft-proof lock specifically.

Background technology

Present mechanical anti-theft lock generally is key to be inserted drive dead bolt through the key rotational lock core again behind the lockhole of lock core and rotate or move and can directly open lock, and theftproof performance is more single.

For example, U type anti-theft lock for motorcycle is made up of U-shape lock frame and lock two parts, is driven moving of two horizontal dead bolts and is removed the restriction to the U-shape lock frame by the key rotational lock core when unblanking, and opens lock.

Lock forked type automobile steering wheel theftproof lock is made up of with two parts of the lock that is connected by the round steel pipe shank of the key the movable lock fork of telescopic h shape.The lock fork of lock shank of the key during car in steering wheel circle a side, the opposite side of the movable lock of the h shape of stretching out fork circle in steering wheel, the barrier effect of long steel pipe shank of the key has limited the rotational angle of steering wheel.Drive moving of dead bolt and remove withdrawal restriction by the key rotational lock core when unblanking, open lock the movable lock fork of h shape.

Anti-theft lock for motorcycle in above-mentioned and automobile steering wheel theftproof lock all exist the few and short and small weakness of pellet shot from a slingshot of lock core marble mostly, are very easily unblanked by so-called master key or other violent tool, and theftproof performance is poor.

Summary of the invention

In order to overcome the problem that existing mechanical theftproof lock theftproof performance is more single, anti-theft effect is not good; The utility model provides a kind of mechanical code theftproof lock; Cipher control cooperated key together to use when this lock was unblanked, and it uprisingly is significantly strengthened with theftproof performance.

The technical scheme that its technical problem of the utility model solution is taked is:

A kind of mechanical code theftproof lock; Thereby comprise the lock core on lock body, the lock body and can rotate and make its rotation or mobile dead bolt through key; Be provided for controlling the movable rotating disk controlling organization of dead bolt; This rotating disk controlling organization comprises figure disc, can be had on the spacer pin and supplied the movable otch of unblanking of dead bolt when it turns to lockset position of coupler by the spacer pin of figure disc control rotation, has on the dead bolt and can limit the movable otch of locking of dead bolt when spacer pin turns to upper lock position.

In above-mentioned; The shape of cross section of unblank otch and dead bolt mating part on the spacer pin adapts; The shape of cross section of lock otch and spacer pin mating part on the dead bolt adapts, and corresponding position, number position has recess on the side of figure disc and figure disc, and corresponding recess position has counterbore on the lock body; Spring and steel ball are housed in the counterbore from inside to outside; Corresponding position, number position has recess on the side of figure disc and figure disc, and corresponding recess position has counterbore on the lock body, and spring and steel ball are housed in the counterbore from inside to outside.

The utility model installs the rotating disk controlling organization additional on existing lock body, be used with lock core, has improved the theft protection performance of lock body widely, and this rotating disk controlling organization is simple in structure, processing and fabricating is easy.This lock body can be automobile steering lock or U type anti-theft lock for motorcycle, can improve uprising and anti-theft feature.

Description of drawings

Fig. 1 is the structure chart of first kind of embodiment of the utility model;

Fig. 2 is the upward view of Fig. 1;

Fig. 3 is the structure chart of the rotating disk controlling organization of the utility model;

Fig. 4 is the structure chart of figure disc and spacer pin in the rotating disk controlling organization;

Fig. 5 is the structure chart of dead bolt among Fig. 1;

Fig. 6 is the structure chart of the another kind of embodiment of the utility model;

Fig. 7, Fig. 8 are the partial sectional views of Fig. 6;

Fig. 9 is the structure chart of dead bolt part among Fig. 6.

The specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5; A kind of mechanical code theftproof lock; Thereby comprise the lock core 4 on lock body, the lock body and can stir lock core 4 and make its rotation or mobile dead bolt 6 through key; Be provided for controlling the movable rotating disk controlling organization of dead bolt; This rotating disk controlling organization comprises figure disc 3, can be had on the spacer pin 5 when it turns to lockset position of coupler and supplied the otch 12 of unblanking of dead bolt 6 activities by the spacer pin 5 of figure disc control rotation, has on the dead bolt 6 and can limit the movable otch 16 of locking of dead bolt when spacer pin turns to upper lock position.Wherein figure disc 3 is an overall structure with spacer pin 5.

The shape of cross section of unblank otch 12 and dead bolt 6 mating parts on the spacer pin 5 adapts; The shape of cross section of lock otch 16 and spacer pin 5 mating parts on the dead bolt 6 adapts; Corresponding position, number position has recess 14 on the side of figure disc 3 and figure disc 3; Corresponding recess 14 positions have counterbore on the lock body, and spring 11 and steel ball 10 are housed in the counterbore from inside to outside.There is cannelure 13 lower end of spacer pin 5, alignment pin 9 is installed on the lock body is stuck in 13 li of cannelures spacer pin can not be deviate from rotating.

In above-mentioned, this lock body comprises U-shape lock frame 1 and lock 2, and described lock core 4, dead bolt 6 and rotating disk controlling organization are installed on the lock 2; There is the socket of U-shape lock frame at the two ends of lock 2; U-shape lock frame two free ends can be plugged in two sockets of lock and the inboard has recess respectively, and this dead bolt 6 has two, and every dead bolt 6 is equipped with two rotating disk controlling organizations; Dead bolt 6 also is equipped with and is used for the tension spring 8 that dead bolt 6 resets; Dead bolt 6 outer ends can be connected to respectively in two recesses and lock, and all there is the mouth of dialling 15 inner end of every dead bolt 6, can make two dead bolts, 6 interactive unblanking thereby through the key rotational lock core plectrum 7 is rotated.

This lock can be used as anti-theft lock for motorcycle, and 0～90 number is arranged on the figure disc of each spacer pin, when lock is sealed, rotates figure disc 3, and the otch 16 of locking on spacer pin 5 and the dead bolt 6 matches, and to 6 barrier effects of dead bolt, limits moving of dead bolt 6.When unblanking, rotate figure disc 3, when making four setting numbers on the figure disc 3 be in unlock position respectively; The otch 12 of unblanking on the spacer pin 5 is parallel relative with dead bolt 6; This moment, spacer pin 5 lost the restriction to dead bolt 6, can move dead bolt through the key rotational lock core, opened lock.

Because of the key rotational lock core makes two dead bolt interactions, so four numbers of two groups of spacer pins must be right-on when unblanking, if one of them incorrect key that all makes can't be unblanked.Therefore this is locked and adds the number spacer pin, though technology is simple, has improved its uprising and anti-theft feature greatly.

With reference to Fig. 6, Fig. 7, Fig. 8 and Fig. 9, be the structure chart of the another kind of specific embodiment, this lock can be used as lock forked type automobile steering wheel theftproof lock.With above-mentioned difference be that this lock body comprises lock 2; Described lock core 4, dead bolt 6 and rotating disk controlling organization are installed on the lock 2; The rotating disk controlling organization is 4, and dead bolt 6 is stretched out by the two ends of lock 2, and a termination has the movable lock fork 17 of h shape; The other end is sleeved on 18 li of h shape pin forks, unblanks thereby make plectrum 7 rotations that the movable lock fork 17 of h shape is moved through the key rotational lock core.On the dead bolt 6 with have the otch 12 relative opposite sides of unblanking and have and stir bayonet socket 21; Stir bayonet socket 21 and lock otch 16 equidistant arrangements; Spacer pin and dead bolt synchronous effect are in activity lock fork; Be equipped with and stir slide block 19 with stirring bayonet socket 21 corresponding positions, pressed by back-moving spring 20, the key rotational lock core makes plectrum 7 stir slide block 19 can remove the restriction to dead bolt 6.

When unblanking; Rotate figure disc 3; Make 4 setting numbers on the figure disc 3 unlock position respectively, the otch 12 of unblanking of spacer pin 5 is parallel relative with h shape activity lock fork 17, and this moment, spacer pin 5 lost the restriction to h shape activity lock fork 17; Can drive dead bolt through the key rotational lock core and move, a withdrawal restriction lock of the movable lock fork of h shape opened and remove.Unblank and lock behind the car can the rotary spacing pin figure disc with the deletion unlocking cipher.Though this lock technology is simple, has improved its uprising, anti-theft feature greatly.

Claims (7)

1. mechanical code theftproof lock; Comprise the lock core (4) on lock body, the lock body and can stir lock core (4) through key thus make its rotation or mobile dead bolt (6); It is characterized in that; Be provided for controlling the movable rotating disk controlling organization of dead bolt (6); This rotating disk controlling organization comprises figure disc (3), can be had on the spacer pin (5) and supplied the movable otch of unblanking (12) of dead bolt (6) when it turns to lockset position of coupler by the spacer pin (5) of figure disc control rotation, has on the dead bolt (6) and can limit the movable otch of locking (16) of dead bolt when spacer pin turns to upper lock position.

2. mechanical code theftproof lock according to claim 1 is characterized in that, the otch of unblanking (12) on the spacer pin (5) adapts with the shape of cross section of dead bolt (7) mating part.

3. mechanical code theftproof lock according to claim 1 is characterized in that, the otch of locking (16) on the dead bolt (6) adapts with the shape of cross section of spacer pin (5) mating part.

4. mechanical code theftproof lock according to claim 1; It is characterized in that; Go up corresponding position, number position in the side of figure disc (3) with figure disc (3) and have recess (14), corresponding recess (14) position has counterbore on the lock body, and spring (11) and steel ball (10) are housed in the counterbore from inside to outside.

5. mechanical code theftproof lock according to claim 1 is characterized in that, figure disc (3) and spacer pin (5) are an overall structure.

6. mechanical code theftproof lock according to claim 1; It is characterized in that described lock body comprises U-shape lock frame (1) and lock (2), described lock core (4), dead bolt (6) and rotating disk controlling organization are installed on the lock (2); There is the socket of U-shape lock frame at the two ends of lock (2); U-shape lock frame two free ends can be plugged in two sockets of lock and the inboard has recess respectively, and this dead bolt (6) has two, and the outer end can be connected to respectively in two recesses and lock; All there is the mouth of dialling the inner end of every dead bolt (6), and through the key rotational lock core plectrum (7) is rotated and can make two dead bolts (6) thereby interactive unblanking.

7. mechanical code theftproof lock according to claim 1; It is characterized in that described lock body comprises lock (2), described lock core (4), dead bolt (6) and rotating disk controlling organization are installed on the lock (2); Dead bolt (6) is stretched out by the two ends of lock (2); One termination has the movable lock fork of h shape (17), and the other end is sleeved on h shape pin and pitches (18) lining, through the key rotational lock core plectrum (7) is rotated and can make the movable lock fork of h shape (17) thereby mobile unblanking.

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