CN2816265Y

CN2816265Y - Antitheft lock

Info

Publication number: CN2816265Y
Application number: CNU2005200838481U
Authority: CN
Inventors: 孙延红
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-07
Filing date: 2005-06-07
Publication date: 2006-09-13
Anticipated expiration: 2015-06-07

Abstract

The utility model relates to an antitheft lock. Three lock cores are arranged in a lock body, and two lock cores in the front part are sheathed together from interior to exterior; the inner circumference of an outer lock core is provided with an axial groove, and a triangular convexity is arranged on the right end surface; an inner lock core and a rear lock core are connected through a clamp connector, and a circular ring is arranged outside the clamp connector and is provided with a groove corresponding to the convexity on the outer lock core; a contact sheet is arranged on the right end surface of the rear lock core. Two contact points which are not contacted are arranged in the right end surface of the lock body and are connected with a power cord. When a key matched with the lock is inserted into the inner lock core to rotate, the rear lock core rotates, the outer lock core does not rotate, the contact points and the contact sheet are in the contact state, a power supply is switched on, and a vehicle starts then; on the contrary, a convex block can eject from the inner lock core to clamp into the groove on the outer lock core to drive the outer lock core to rotate, the inner lock core and the rear lock core are disengaged, the rear lock core does not move, the contact sheet and the contact points are disengaged, the power supply is cut off, ad the vehicle can not start. The utility model has the characteristics of simple structure, high safety, etc.

Description

A kind of theftproof lock

Technical field

The utility model relates to a kind of lockset, specifically a kind of theftproof lock.

Background technology

We know, at present automobile or motorcycle etc. have the lock of function such as electronic striking, just can rotational lock core after handle and phase-locked key of joining insert lockhole, thereby connection power supply, ato unit, but the safety of some lock is poor, with master key easier rotational lock core just, though the lock that some adopts the electronic cipher function just can crack than being easier to decoder.

Summary of the invention

Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of property simple in structure, easy to use, safe good theftproof lock.

The technical scheme in the invention for solving the above technical problem is: a kind of theftproof lock, it includes lock body and lock core, in lock body, be provided with three lock cores, be nested together inside and outside two lock cores in front, the outer lock core inner periphery is provided with axial notch, the right side is provided with triangular hill, internal cylinder is connected by clamping apparatus with rear lock core, be provided with an annulus in the clamping apparatus outside, annulus be provided with outer lock core on protruding corresponding groove, the right side of rear lock core is provided with contact chip, is provided with in the lock body right side and corresponding two the discontiguous contacts of contact chip, and the contact connects power line.

Described clamping apparatus is that cylinder is connected with rear lock core, in cylinder, be provided with recessed, between recessed and rear lock core, be provided with spring, be fixed with the vertical major axis of a length on recessed greater than drum diameter, on cylinder, be provided with two slotted eyes, major axis within it can move left and right, and major axis is stuck in the outer lock core right-hand member to the annulus of cylinder outside.

Described rear lock core left-half is square, is provided with one in its lower section and uses spring-supported minor axis.

Described lock body left side is provided with a peep hole.

The utility model adopts three cores, wherein be nested together inside and outside two lock cores in front, the outer lock core inner periphery is provided with axial notch, the right side is provided with triangular hill, and internal cylinder is connected by clamping apparatus with rear lock core, is provided with an annulus in the clamping apparatus outside, annulus be provided with outer lock core on protruding corresponding groove, the right side of rear lock core is provided with contact chip, is provided with in the lock body right side and corresponding two the discontiguous contacts of contact chip, and the contact connects power line.When handle and phase-locked key insertion internal cylinder rotation of joining, internal cylinder drives rear lock core and rotates, and outer lock core does not rotate, and can see coloured line from peep hole, and contact and contact chip are in contact condition, power connection, and vehicle starts thereupon; When using key unmatched to insert the internal cylinder rotation with it, the projection that ejects on the internal cylinder enters in the inner periphery axial notch of outer lock core, the drive outer lock core rotates, and its triangular hill compressing annulus moves right, and annulus promotes vertical major axis and recessed and compresses spring together, then internal cylinder and recessed are separated, rear lock core is motionless, can't see coloured line from peep hole, contact and contact separation, power supply is in off-state, can not make vehicle launch.In addition, rear lock core left-half of the present utility model is square, is provided with one in its lower section and uses spring-supported minor axis, and when a key was extracted in lock core, the other end of minor axis 16 was just dead the shaft lock of steering wheel.The utlity model has characteristics simple in structure, safe.

Description of drawings

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

Fig. 2 is an A-A cross-sectional view of the present utility model

Fig. 3 is a right view of the present utility model.

Fig. 4 is circuit theory diagrams of the present utility model.

1. lock bodies among the figure, 2. outer lock core, 3. internal cylinder, 4. rear lock core, 5. contact chip, 6. contact, 7. peep hole, 8. axial notch, 9. groove, 10. annulus, 11. cylinders, 12. recessed, 13. major axis, 14. slotted eyes, 15. springs, 16. minor axises, 17. lockholes.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

From Fig. 1, a kind of as can be seen theftproof lock among Fig. 2 and Fig. 3, it includes lock body 1 and lock core, in lock body 1, be provided with three lock cores, be nested together inside and outside two lock cores in front, outer lock core 2 inner peripherys are provided with axial notch 8, the right side is provided with triangular hill, internal cylinder 3 and rear lock core 4 are connected by clamping apparatus, be provided with an annulus 10 in the clamping apparatus outside, annulus 10 be provided with outer lock core 2 on protruding corresponding groove 9, the right side of rear lock core 4 is provided with contact chip 5, is provided with in lock body 1 right side and corresponding two the discontiguous contacts 6 of contact chip, and contact 6 connects power line.

Described clamping apparatus is that cylinder 11 is connected with rear lock core 4, in cylinder 11, be provided with recessed 12, between recessed 12 and rear lock core 4, be provided with spring 15, be fixed with the vertical major axis 13 of a length on recessed 12 greater than cylinder 11 diameters, on cylinder 11, be provided with two slotted eyes 14, major axis 13 within it can move left and right, and major axis 13 is stuck in outer lock core 2 right-hand members to the annulus 10 of cylinder 11 outsides.Described rear lock core 4 left-half are square, are provided with a spring-supported minor axis 16 of usefulness in its lower section.Described lock body left side is provided with a peep hole 7.

During use, when handle and phase-locked key of joining when lockhole 17 inserts internal cylinder 3 and rotates, internal cylinder 3 drives rear lock core 4 and rotates, outer lock core 2 does not rotate, can see coloured line from peep hole 7, middle contact 6 and contact chip 5 are in contact condition, power connection in the circuit diagram as shown in Figure 4, and vehicle starts thereupon; When using key unmatched to insert internal cylinder 3 rotations with it, can eject projection on the internal cylinder 3, snap in the axial notch 8 of outer lock core 2 inner peripherys, driving outer lock core 3 rotates, its triangular hill compressing annulus 10 moves right, annulus 10 promotes vertical major axis 13 and recessed 12 and compresses spring 15 together, then internal cylinder 3 and recessed 12 are separated, rear lock core 4 is motionless, can't see coloured line from peep hole 7, contact chip 5 separates with contact 6, and power supply is in off-state in the circuit diagram as shown in Figure 4, then can not make vehicle launch.In addition, rear lock core 4 left-half of the present utility model are square, are provided with a spring-supported minor axis 16 of usefulness in its lower section, and when a key was extracted in lock core, the other end of minor axis 16 was just dead the shaft lock of steering wheel.

Claims

1. theftproof lock, it includes lock body and lock core, it is characterized in that: in lock body, be provided with three lock cores, be nested together inside and outside two lock cores in front, the outer lock core inner periphery is provided with axial notch, the right side is provided with triangular hill, internal cylinder is connected by clamping apparatus with rear lock core, be provided with an annulus in the clamping apparatus outside, annulus be provided with outer lock core on protruding corresponding groove, the right side of rear lock core is provided with contact chip, is provided with in the lock body right side and corresponding two the discontiguous contacts of contact chip, and the contact connects power line.

2. theftproof lock according to claim 1, it is characterized in that: described clamping apparatus is that cylinder is connected with rear lock core, in cylinder, be provided with recessed, between recessed and rear lock core, be provided with spring, be fixed with the vertical major axis of a length on recessed greater than drum diameter, be provided with two slotted eyes on cylinder, major axis within it can move left and right, and major axis is stuck in the outer lock core right-hand member to the annulus of cylinder outside.

3. theftproof lock according to claim 1 is characterized in that: described rear lock core left-half is square, is provided with one in its lower section and uses spring-supported minor axis.

4. theftproof lock according to claim 1 is characterized in that: described lock body left side is provided with a peep hole.