CN2714750Y

CN2714750Y - Anti-theft lock with double lock core

Info

Publication number: CN2714750Y
Application number: CN 200420078986
Authority: CN
Inventors: 吴肇江
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-23
Filing date: 2004-08-23
Publication date: 2005-08-03
Anticipated expiration: 2014-08-23

Abstract

The utility model discloses an anti-theft lock with double lock cores, comprising a lock body, a lock tongue inside the lock body, and lock cores inside the lock tongue. After a key is inserted into a lock core key hole, the lock tongue is aligned with the contact surface and the matching surface of cylinders in the lock cores. A lock tongue key hole is arranged on the lock tongue end surface of the front end of the lock core key hole. The lock tongue key hole and the lock core key hole are provided with a definite included angle alpha in a circumference direction, and the lock body and the lock tongue are provided with cylinder holes on the position. When the key is rotated over the definite included angle alpha, and is further inserted into the lock tongue key hole, the contact surface and the matching surface of the cylinders in the lock tongue and the lock core are staggered, and the contact surface and the matching surface of the cylinders in the lock body and the lock tongue are aligned. The lock tongue is used as a large lock core by the utility model. The key is needed to be inserted into the lock cores for two times, and can drive the lock tongue to rotate when the key is rotated a second time, and thereby, the anti-theft performance of a lockset is enhanced.

Description

Anti-theft lock with double-mortise

Technical field

The utility model relates to a kind of theftproof lock.

Background technology

In the daily life, a kind of anti-theft vehicle lock that is widely used is arranged, comprise the lock cylinder and the tapered end that are fastened on flexible axle wire rope two ends, the end face of lock body is provided with dead bolt, the side of lock body is provided with lockhole, and dead bolt is from axially stretching in the lockhole, and the head of tapered end is provided with a circle groove, when tapered end inserted lockhole, dead bolt just in time embedded in the groove tapered end is locked.The expanding-contracting action of dead bolt in lockhole is to be controlled by the coaxial lock core that is arranged on the dead bolt center, because have only when key inserts lock core, key could drive dead bolt by lock core and rotate, rotate telescoping mechanism and be provided with one between dead bolt and the lock body, dead bolt can produce when rotating and move forward and backward flexiblely, locks or untie tapered end with this.That is to say and radially respectively be provided with several spring marble holes at lock core, dead bolt, lock body, the position in three groups of spring marble holes is aligned with each other, when key inserts lock core, the contact surface of the pellet shot from a slingshot in lock body and the dead bolt just in time aligns with the fitting face of dead bolt with lock body, and the pellet shot from a slingshot in the lock core is projected in the pellet shot from a slingshot hole of dead bolt, so when driving the lock core rotation with key, lock core can drive dead bolt and rotate, when being taken into key or when key operated, then all can not relatively rotating between lock core, dead bolt, the lock body with other.And above-mentioned rotation telescoping mechanism multiple form of structure in existing anti-theft vehicle lock for example is provided with a helicla flute on the external cylindrical surface of dead bolt, and lock body is provided with a pin and inserts in the helicla flute, just can elasticly move when dead bolt rotates.The advantage of this anti-theft vehicle lock be lock body with tapered end between be connected with flexible axle or wire rope, can be wrapped in easily on other objects such as wheel, and flexible axle or wire rope are more firm, the burglar can't cut off generally speaking, and still, the lock core of this lock is compared with traditional lockset does not but have big difference, though the burglar is difficult to open flexible axle or wire rope, but still can open lockset like a cork with small tools etc., therefore, its anti-theft feature is defectiveness still.

Summary of the invention

The purpose of this utility model is: a kind of anti-theft lock with double-mortise is provided, and it is keeping under the prerequisite of lock core, dead bolt as lock core greatly, key need carry out twice insertion and twice rotation, just can make the dead bolt telescopic moving, thereby untie or lock theftproof lock, improve the anti-theft feature of lock greatly.

The technical solution of the utility model is: a kind of anti-theft lock with double-mortise, comprise lock body, dead bolt in the lock body, lock core in the dead bolt, be provided with the rotation telescoping mechanism between lock body and the dead bolt, lock core is provided with lock core keyhole, dead bolt and lock core are provided with the pellet shot from a slingshot hole of position correspondence in the radial position corresponding to keyhole, pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, after described key inserts lock core keyhole, the contact surface of the pellet shot from a slingshot in dead bolt and the lock core is concordant with the lock core fitting face with dead bolt, the end face of the dead bolt of lock core keyhole front end is provided with the dead bolt keyhole, dead bolt keyhole and lock core keyhole are in circumferentially having certain included angle α, lock body, dead bolt is being respectively equipped with the pellet shot from a slingshot hole corresponding with the pellet shot from a slingshot hole site on the lock core on the position of this circumferential angle α, pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, when the key that inserts lock core keyhole turns over this angle α and further inserts the dead bolt keyhole, the contact surface of the pellet shot from a slingshot in the dislocation of the contact surface of the pellet shot from a slingshot in dead bolt and the lock core and dead bolt and lock core fitting face, lock body and dead bolt is concordant with the fitting face of lock body and dead bolt.

The further technical scheme of the utility model is: a kind of anti-theft lock with double-mortise, comprise lock body, dead bolt in the lock body, lock core in the dead bolt, be provided with the rotation telescoping mechanism between lock body and the dead bolt, lock core is provided with lock core keyhole, dead bolt and lock core are provided with the pellet shot from a slingshot hole of position correspondence in the radial position corresponding to keyhole, be provided with several pellets shot from a slingshot in the pellet shot from a slingshot hole, after described key inserts lock core keyhole, the contact surface of the pellet shot from a slingshot in dead bolt and the lock core is concordant with the lock core fitting face with dead bolt, the end face of the dead bolt of lock core keyhole front end is provided with the dead bolt keyhole, dead bolt keyhole and lock core keyhole are in circumferentially having certain included angle α, lock body and dead bolt also are provided with the pellet shot from a slingshot hole of position correspondence on corresponding to the radial position of dead bolt keyhole, pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, and when the front end of key inserts the dead bolt keyhole, the contact surface of the pellet shot from a slingshot in lock body and the dead bolt is concordant with the fitting face of lock body and dead bolt, lock body, dead bolt is being respectively equipped with the pellet shot from a slingshot hole corresponding with the pellet shot from a slingshot hole site on the lock core on the position of this circumferential angle α, pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, when the key that inserts lock core keyhole turns over this angle α and further inserts the dead bolt keyhole, the contact surface of the pellet shot from a slingshot in the dislocation of the contact surface of the pellet shot from a slingshot in dead bolt and the lock core and dead bolt and lock core fitting face, lock body and dead bolt is concordant with the fitting face of lock body and dead bolt.

When key inserts lock core for the first time, key can only drive the lock core rotation, and can not drive the dead bolt rotation, after when key drive lock core turns over the α angle, when inserting in the dead bolt once more, key can not only drive lock core, can also drive the dead bolt rotation, and will produce stretching motion under the effect of rotating telescoping mechanism during the dead bolt rotation, and what cause locking untiing or locking.

The utility model has the advantages that:

1. the locking of general lockset or to untie all be to insert lock core by key, and drive dead bolt by lock core and rotate and realize, and key of the present utility model needs the insertion lock core twice, and could drive the dead bolt rotation when rotating for the second time, thereby has improved the theftproof performance of lockset greatly.

2. when pellet shot from a slingshot contact surface in lock core and the dead bolt and fitting face misplace, be can't be in relative rotation between lock core and the dead bolt, but some burglar destroys and opens lock by the hard picking lock tool of tool used in crime, and the utility model not only is provided with the pellet shot from a slingshot hole on the position of lock core keyhole, and on the thinking independently of dead bolt keyhole, also be provided with the pellet shot from a slingshot hole, by increasing the pick-proof performance that pellet shot from a slingshot has improved lockset.

Description of drawings

The utility model will be further described below in conjunction with drawings and Examples:

Fig. 1 is a schematic diagram of the present utility model;

Fig. 2, Fig. 3 are the structural representation in home position;

Fig. 4, Fig. 5 are the structural representation that turns over the α angle.

Wherein: 1 lock body; 2 dead bolts; 3 lock cores; 4 lock core keyholes; 5 pellet shot from a slingshot holes; 6 pellets shot from a slingshot; 7 keys; 8 dead bolt keyholes; 9 helical grooves; 10 pins; 11 flexible axles; 12 tapered ends; 13 lockholes; 14 locked grooves.

The specific embodiment

Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, a kind of anti-theft lock with double-mortise, comprise lock body (1), dead bolt (2) in the lock body (1), lock core (3) in the dead bolt (2), be provided with the rotation telescoping mechanism between lock body (1) and the dead bolt (2), lock core (3) is provided with lock core keyhole (4), dead bolt (2) and lock core (3) are provided with the pellet shot from a slingshot hole (5) of position correspondence in the radial position corresponding to keyhole (4), be provided with pellet shot from a slingshot (6) in the pellet shot from a slingshot hole (5), after described key (7) inserted lock core keyhole (4), the contact surface of the pellet shot from a slingshot (6) in dead bolt (2) and the lock core (3) was concordant with lock core (3) fitting face with dead bolt (2); At this moment, key (7) can only drive lock core (3) rotation, and can not drive dead bolt (2) rotation.

As Fig. 4, shown in Figure 5, the end face of the dead bolt (2) of lock core keyhole (4) front end is provided with dead bolt keyhole (8), dead bolt keyhole (8) and lock core keyhole (4) are in circumferentially having certain included angle α, lock body (1), dead bolt (2) be respectively equipped with on the position of this circumferential angle α with lock core (3) on corresponding pellet shot from a slingshot hole (5), position, pellet shot from a slingshot hole (5), pellet shot from a slingshot is provided with pellet shot from a slingshot in the hole, when the key (7) that inserts lock core keyhole (4) turns over this angle α and further inserts dead bolt keyhole (8), the contact surface of the pellet shot from a slingshot (6) in the dislocation of the contact surface of the pellet shot from a slingshot (6) in dead bolt (2) and the lock core (3) and dead bolt (2) and lock core (3) fitting face, lock body (1) and dead bolt (2) is concordant with the fitting face of dead bolt (2) with lock body (1); At this moment, key (7) can not only drive lock core (3), can also drive dead bolt (2) rotation, and will produce stretching motion under the effect of rotating telescoping mechanism during dead bolt (2) rotation, and what cause locking untiing or locking.

Rotation telescoping mechanism in the foregoing description comprises the one section helical groove (9) that is opened on dead bolt (2) outer circumference surface, and lock body (1) inwardly plugs from outer wall and is fixed with a pin (10), insert in the helical groove (9) the inner of pin (10), when dead bolt (2) rotates, will under the effect of groove (9) and pin (10), produce and move forward and backward.

In the foregoing description, lock body (1) is fixed on an end of flexible axle (11), tapered end (12) is fixed on the other end of flexible axle (11), dead bolt (2) and lock core (3) are fit into the lock body (1) from end face, and lock body (1) is provided with lockhole (13), and tapered end (12) is provided with locked groove (14), in the time of in the lockhole (13) on tapered end (12) the insertion lock body (1), the front end of the dead bolt (2) that moves can embed in the locked groove (14), or withdraws from from locked groove (14), thereby locks or untie theftproof lock.

Claims

1. anti-theft lock with double-mortise, comprise lock body (1), dead bolt (2) in the lock body (1), lock core (3) in the dead bolt (2), be provided with the rotation telescoping mechanism between lock body (1) and the dead bolt (2), lock core (3) is provided with lock core keyhole (4), dead bolt (2) and lock core (3) are provided with the pellet shot from a slingshot hole (5) of position correspondence in the radial position corresponding to lock core keyhole (4), be provided with pellet shot from a slingshot (6) in the pellet shot from a slingshot hole (5), it is characterized in that: after described key (7) inserts lock core keyhole (4), the contact surface of the pellet shot from a slingshot (6) in dead bolt (2) and the lock core (3) is concordant with lock core (3) fitting face with dead bolt (2), the end face of the dead bolt (2) of lock core keyhole (4) front end is provided with dead bolt keyhole (8), dead bolt keyhole (8) and lock core keyhole (4) are in circumferentially having certain included angle α, lock body (1), dead bolt (2) be respectively equipped with on the position of this circumferential angle α with lock core (3) on corresponding pellet shot from a slingshot hole (5), position, pellet shot from a slingshot hole (5), be provided with pellet shot from a slingshot (6) in the pellet shot from a slingshot hole (5), when the key (7) that inserts lock core keyhole (4) turns over this angle α and further inserts dead bolt keyhole (8), the contact surface of the pellet shot from a slingshot (6) in the dislocation of the contact surface of the pellet shot from a slingshot (6) in dead bolt (2) and the lock core (3) and dead bolt (2) and lock core (3) fitting face, lock body (1) and dead bolt (2) is concordant with the fitting face of dead bolt (2) with lock body (1).

2. anti-theft lock with double-mortise according to claim 1, it is characterized in that: described lock body (1) and dead bolt (2) also are provided with the pellet shot from a slingshot hole (5) of position correspondence on corresponding to the radial position of dead bolt keyhole (8), be provided with pellet shot from a slingshot (6) in the pellet shot from a slingshot hole (5), and when the front end of key (7) inserted dead bolt keyhole (8), the contact surface of the pellet shot from a slingshot (6) in lock body (1) and the dead bolt (2) was concordant with the fitting face of dead bolt (2) with lock body (1).