CN201395976Y

CN201395976Y - Anti-theft lock core

Info

Publication number: CN201395976Y
Application number: CN2009200642671U
Authority: CN
Inventors: 杨成良
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-30
Filing date: 2009-04-30
Publication date: 2010-02-03
Anticipated expiration: 2019-04-30

Abstract

The utility model relates to an anti-theft lock core, comprising a lock body, a lock core sleeve, a lock core and a cylindrical lock bead, the lock core is arranged in the lock core sleeve which is arranged at the lower end of the lock body, and the cylindrical lock bead and an ejector rod hole are arranged on the lock core sleeve, a convex plate matched with the lock body is arranged on the lockcore sleeve, a spring plate slot is arranged on the lock core, one to six groups of spring plates are arranged among the spring plate slots, one to six groups of marble holes and key holes are arranged on the lock core, one end of the spring plate is provided with a locating table, springs are arranged among the spring plates, marbles are arranged in the marble holes, one end of the marble is provided with the spring, and the other end thereof is connected with the key hole, an ejector rod is arranged in the lock core, one end of the ejector rod is connected with the marble, and the other endis connected with the cylindrical lock bead by a return spring on the lock body. A notch matched with the cylindrical lock bead is arranged on the lock core sleeve. The anti-theft lock core has simplestructure, low manufacturing cost, safe and reliable usage and strong anti-theft performance.

Description

Anti-theft lock

Technical field

The utility model relates to a kind of anti-theft lock.

Background technology

At present, the lockset that uses on the market has electronic lock, atom lock, mechanical lock and mechanical anti-theft lock etc., the lock core internal construction of general lockset is the same mostly substantially, all be by cooperating other parts of transmission to reach to lock and unblank purpose between pellet shot from a slingshot and the rotor, these traditional structures make some unprincipled fellows easily lock be opened by the utensil of unblanking of non-special use easily, use very dangerously, and theftproof lock can be prevented technical opening, can be difficult to pick-proof, the then logical amount of opening of pick-proof lock is big.

Summary of the invention

The purpose of this utility model just provide a kind of simple in structure, cost of production is low, safe and reliable and a kind of anti-theft lock that theftproof performance is strong.

The technical solution of the utility model is achieved in that a kind of anti-theft lock, it comprises lock body, the lock core cover, lock core and cylinder lock pearl, lock core places in the lock core cover, lock core is set in the lock body lower end, put at lock core and to be provided with the cylinder lock pearl, jogger hole, put at lock core and to be provided with the boss that matches with lock body, on lock core, have the spring film trap, between the spring film trap, be provided with 1-6 group spring leaf, on lock core, be provided with 1-6 group pellet shot from a slingshot hole and keyhole, on an end of spring leaf, be provided with positioning table, be provided with spring between spring leaf, be provided with pellet shot from a slingshot in the pellet shot from a slingshot hole, pellet shot from a slingshot one end is provided with spring, end joins with keyhole in addition, be provided with push rod in lock core, push rod one end and pellet shot from a slingshot join, end joins by the return spring and the cylinder lock pearl that are located on the lock body in addition.Put at lock core and to be provided with the breach that matches with the cylinder lock pearl.

The utility model has the advantages that: simple in structure, low cost of manufacture, safe and reliable, theftproof performance is strong.

Description of drawings

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

Fig. 2 is the utility model A-A face sectional structure schematic diagram;

Fig. 3 is the utility model B-B face sectional structure schematic diagram;

Fig. 4 is the utility model C-C face sectional structure schematic diagram;

Fig. 5 is the structural representation after the utility model lock core 4 dwindles;

Fig. 6 is the utility model lock core 4D-D sectional structure schematic diagram;

Fig. 7 is the structural representation of the utility model spring leaf 5;

Fig. 8 is that the sectional structure schematic diagram is looked on the utility model spring leaf 5E-E left side;

Fig. 9 is the utility model lock tube 2 right TV structure schematic diagrames.

The specific embodiment

As Fig. 1,2,3,4,5,6,7,8,9, shown in 10, a kind of anti-theft lock, it comprises lock body 1, lock core cover 2, lock core 4 and cylinder lock pearl 3, lock core 4 places in the lock core cover 2, lock core cover 2 is located at lock body 1 lower end, on lock core cover 2, be provided with cylinder lock pearl 3, jogger hole 13, on lock core cover 2, be provided with the boss that matches with lock body 1, on lock core 4, have spring film trap 11, between spring film trap 11, be provided with 1-6 group spring leaf 5, on lock core 4, be provided with 1-6 group pellet shot from a slingshot hole 6 and keyhole 8, on an end of spring leaf 5, be provided with positioning table 14, between spring leaf 5, be provided with spring 10, in pellet shot from a slingshot hole 6, be provided with pellet shot from a slingshot 12, pellet shot from a slingshot 12 1 ends are provided with spring, end joins with keyhole 8 in addition, is provided with push rod 7 in lock core 4, and push rod 7 one ends and pellet shot from a slingshot 12 join, end joins with cylinder lock pearl 3 by the return spring 9 that is located on the lock body 1 in addition.On lock core cover 2, be provided with the breach 15 that matches with cylinder lock pearl 3.

When using the supporting key unlocking of the utility model anti-theft lock, be located at spring leaf 5 on the lock core 4 and overcome spring 10 elastic force between the spring leaf 5, the breach of spring film trap 11 is just coincide with cylinder lock pearl 3, pellet shot from a slingshot 12 overcomes the elastic force of its upper spring 9, breach on push rod 7 and the pellet shot from a slingshot 12 is matched, lock core cover 2 drives cylinder lock pearl 3 and lock body 1 work, and lock core cover 2 staggers with the boss that lock body 1 matches, and lock is opened.When key operated lock core that use does not match, when key injects keyhole 8, breach on the spring film trap 11 and pellet shot from a slingshot 12 and push rod 7 can't be fully and cylinder lock pearl 3 match, lock can't be opened.

Claims

1, a kind of anti-theft lock, it comprises lock body (1), lock core cover (2), lock core (4) and cylinder lock pearl (3), it is characterized in that: lock core (4) places in the lock core cover (2), lock core cover (2) is located at lock body (1) lower end, on lock core cover (2), be provided with cylinder lock pearl (3), jogger hole (13), on lock core cover (2), be provided with the boss that matches with lock body (1), on lock core (4), have spring film trap (11), between spring film trap (11), be provided with 1-6 group spring leaf (5), on lock core (4), be provided with 1-6 group pellet shot from a slingshot hole (6) and keyhole (8), on an end of spring leaf (5), be provided with positioning table (14), between spring leaf (5), be provided with spring (10), in pellet shot from a slingshot hole (6), be provided with pellet shot from a slingshot (12), pellet shot from a slingshot (12) one ends are provided with spring, end joins with keyhole (8) in addition, be provided with push rod (7) in lock core (4), push rod (7) one ends and pellet shot from a slingshot (12) join, end joins with cylinder lock pearl (3) by the return spring (9) that is located on the lock body (1) in addition.

2, a kind of anti-theft lock according to claim 1 is characterized in that: be provided with the breach (15) that matches with cylinder lock pearl (3) on lock core cover (2).