CN201152073Y

CN201152073Y - Double lock core lock head

Info

Publication number: CN201152073Y
Application number: CNU2008200033077U
Authority: CN
Inventors: 魏秀璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-29
Filing date: 2008-01-29
Publication date: 2008-11-19
Anticipated expiration: 2018-01-29

Abstract

The utility model relates to a novel lock cylinder with double lock cores, which is composed of a main lock core, an auxiliary lock core, a lock body sleeve, an anti-drilling pad, combined pins, an interlocking pin, a safety pin, etc; wherein, the main and auxiliary lock cores adopt the technique of mal-position interlocking, namely, the auxiliary lock core is driven to rotate after the main lock core rotates to a certain angle; the auxiliary lock core drives a triggering device to achieve the purpose of unlocking (locking) a lock; Each group of combined pins is composed of an inner pin, a plurality of middle pins and a bolt pin; the middle of the spring of the lock body sleeve is added with a distance-limiting pin to limit the movement distance of the combined pins; the front part of the lock body is provided with the interlocking pin and the safety pin, the safety pin is bounced after the main lock core rotates to a certain angle, the locking of the safety pin over the auxiliary lock core is relieved, at the same time, the auxiliary lock core is driven by the interlocking pin to rotate. The lock cylinder with double lock cores can prevent the technical unlocking, has high key amount and low interchangeability, and has the functions of poking prevention, drilling prevention and prying prevention.

Description

Novel double-lock core lock head

Technical field

The utility model belongs to the mechanical lock tapered end, relates to a kind of novel double-lock core lock head of preventing technical unlocking.

Background technology

Aspect lockset, cylinder lock is the most widely used product always.Traditional cylinder lock is because simple in structure, and theftproof performance is the non-constant of performance of anti-technical unlocking particularly.In order to improve the theftproof performance of tapered end, increase the difficulty of technical opening, people have designed various anti-theft billiards tapered ends, wherein just comprise twin-lock core mechanical lock.But these twin-lock core mechanical locks in various degree have a design defect, what have has just increased the difficulty of technical opening to a certain extent and can not reach the purpose of anti-technical opening; Though the purpose that can reach anti-technical opening that has, complicated manufacture craft has increased cost of manufacture, thereby can't extensively popularize use.

The utility model content

In order to overcome the deficiency of existing cylinder lock theftproof performance difference, the utility model provides a kind of novel double-lock core lock head.The utility model had both kept traditional cylinder lock manufacture craft characteristic of simple, can greatly improve the theftproof performance of lockset in case technical unlocking again.

The technical solution of the utility model is as follows: a kind of novel double-lock core lock head comprises main lock core, auxiliary lock core, lock body sheath, anti-drill pad, combination pellet shot from a slingshot, location pellet shot from a slingshot, interlock pellet shot from a slingshot, insurance pellet shot from a slingshot, key.

Lock core is made up of main lock core and auxiliary lock core, and main lock core drives the auxiliary lock core rotation by the interlock pellet shot from a slingshot of lock core front portion, and auxiliary lock core drives flip flop equipment and opens or close lockset.

Every group of combination pellet shot from a slingshot is made up of an interior pellet shot from a slingshot, a plurality of middle pellets shot from a slingshot and a bolt pellet shot from a slingshot, and interior pellet shot from a slingshot is that an end is the smooth plug of pellet shot from a slingshot Key of brachycephalic; Every group of combination pellet shot from a slingshot is in lockhole when mobile, main lock core was in released state when any end face of pellet shot from a slingshot alignd with the main lock core external surface arbitrarily, auxiliary lock core also was in released state when any end face of same arbitrarily middle pellet shot from a slingshot alignd with the auxiliary lock core external surface, and the distance in every group of combination pellet shot from a slingshot between the pellet shot from a slingshot end face has a thickness that equals auxiliary lock core, guarantee that so every group of pellet shot from a slingshot has a position to make main lock core and auxiliary lock core be in released state simultaneously in moving process, promptly every group of combination pellet shot from a slingshot has only correct key tooth height just can make the major-minor lock core be in released state simultaneously; The bolt pellet shot from a slingshot is to guarantee locking auxiliary lock core when not having key to insert.

Interlock pellet shot from a slingshot and insurance pellet shot from a slingshot are set in the lock body front portion, the effect of insurance pellet shot from a slingshot is to lock auxiliary lock core before main lock core does not rotate, the insurance pellet shot from a slingshot of upspringing after main lock core turns an angle, the arming pellet shot from a slingshot is to the locking of auxiliary lock core, main lock core utilization interlock pellet shot from a slingshot drives auxiliary lock core and rotates the unlatching lockset together then, and the interlock pellet shot from a slingshot also plays the effect that makes the main lock core location, makes the correct return of main lock core; At the lock body rear portion two auxiliary lock core location pellets shot from a slingshot are set, make auxiliary lock core in rotation process, correctly locate the smooth plug of Key.

The beneficial effects of the utility model are, main lock core can rotate under a plurality of key tooth height, and auxiliary lock core can only could rotate under correct key tooth height, and can't sound out the pellet shot from a slingshot state in the auxiliary lock core after the main lock core rotating certain angle, thereby reaches the effect of anti-technical unlocking; Add the insurance pellet shot from a slingshot in addition and more strengthened the ability of anti-technical unlocking; And lock head structure is simple, utilizes the manufacture craft of traditional cylinder lock can realize fully, and cost of manufacture is cheap to be easy to extensively popularize use.

Description of drawings

Fig. 1 is the sectional side view of tapered end

Fig. 2 is the sectional side view behind the insertion key

Fig. 3 is the A-A sectional drawing of Fig. 1 before main lock core rotates

Fig. 4 is the A-A sectional drawing that main lock core rotates back Fig. 1

Fig. 5 is the B-B sectional drawing of Fig. 1

Fig. 6 is the C-C sectional drawing of Fig. 1

Among the figure: 1. main lock core; 2. auxiliary lock core; 3. lock body sheath; 4. anti-drill pad; 5. interior pellet shot from a slingshot; 6. middle pellet shot from a slingshot; 7. bolt pellet shot from a slingshot; 8. range line pellet shot from a slingshot; 9. interlock pellet shot from a slingshot; 10. insurance pellet shot from a slingshot; 11. location pellet shot from a slingshot; 12. spring; 13. sealing mat; 14. key.

The specific embodiment

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

As shown in Figure 1 and Figure 2, a kind of double-lock core lock head structure comprises lock body sheath 3 and lock core, and lock core is made up of main lock core 1 and auxiliary lock core 2, and anti-drill pad 4 is positioned at the lock core top and plays the anti-drilling effect of protection; One group of combination pellet shot from a slingshot is set respectively in main lock core 1, auxiliary lock core 2 and lock body sheath 3 corresponding lockholes, and every group of combination pellet shot from a slingshot is made up of an interior pellet shot from a slingshot 5, a plurality of middle pellets shot from a slingshot 6 and a bolt pellet shot from a slingshot 7; Main lock core 1 is in released state when any end face of arbitrarily middle pellet shot from a slingshot 6 aligns with the external surface of main lock core 1, auxiliary lock core 2 is in released state when any end face of arbitrarily middle pellet shot from a slingshot 6 aligns with the external surface of auxiliary lock core 2, distance between middle pellet shot from a slingshot 6 end faces has a thickness that equals auxiliary lock core 2, guarantee that so every group of combination pellet shot from a slingshot has at least a position to make main lock core 1 and auxiliary lock core 2 be in released state simultaneously in moving process, this position is exactly the residing position of every group of pellet shot from a slingshot after key 14 inserts; Bolt pellet shot from a slingshot 7 is to guarantee locking auxiliary lock core when key 14 does not insert lock core.

As shown in Figure 3, Figure 4, before main lock core 1 did not rotate, insurance pellet shot from a slingshot 10 blocked auxiliary lock core 2, prevents from by instrument auxiliary lock core 2 to be carried out technical unlocking; After main lock core 1 turns an angle, insurance pellet shot from a slingshot 10 is upspring by interlock pellet shot from a slingshot 9, the inner face of insurance pellet shot from a slingshot 10 is alignd with the external surface of auxiliary lock core 2, the locking of 10 pairs of auxiliary lock cores 2 of arming pellet shot from a slingshot, main lock core 1 utilizes interlock pellet shot from a slingshot 9 drive auxiliary lock cores 2 to rotate together simultaneously, and auxiliary lock core 2 drives flip flop equipments and reaches the purpose of opening lockset; When key turned round, interlock pellet shot from a slingshot 9 can also play the effect that makes main lock core 1 location, and main lock core 1 is correctly playbacked.

As shown in Figure 5, tapered end uses " ten " font key, and in four row's lockholes, the lockhole diameter on top is bigger, and the equal diameters of other three lockholes guarantees that like this dislocation can not appear in key when inserting and transfer to.

As shown in Figure 6, for guaranteeing that key smoothly from the lock body dial-out, is provided with auxiliary lock core location pellet shot from a slingshot 11 at the lock body rear portion, location pellet shot from a slingshot 11 is just in time aimed at the pit on the auxiliary lock core 2 when auxiliary lock core 2 turns to the tram, increase the resistance that auxiliary lock core rotates, make the correct return of auxiliary lock core.

Above-described embodiment, just the utility model specific embodiment a kind of more preferably is not that the utility model is done any pro forma restriction; Common variation and replacement that those skilled in the art carries out in the technical solutions of the utility model scope are equivalent embodiment of the present utility model; Simultaneously, all according to change, modification and the differentiation etc. of essence technology of the present utility model to overall any equivalent variations that above embodiment did, all still belong in the scope of the technical solution of the utility model.

Claims

1. novel double-lock core lock head, contain lock body sheath, lock core and combination pellet shot from a slingshot, it is characterized in that: lock core is made up of main lock core and auxiliary lock core, a plurality of lockholes are set in the lock body, one group of combination pellet shot from a slingshot is set in each lockhole, and every group of combination pellet shot from a slingshot is made up of an interior pellet shot from a slingshot, a plurality of middle pellets shot from a slingshot and a bolt pellet shot from a slingshot.

2. novel double-lock core lock head according to claim 1, it is characterized in that: in described every group of combination pellet shot from a slingshot, the combination pellet shot from a slingshot wherein has a position to make main lock core and auxiliary lock core be in released state simultaneously along there being a plurality of positions to make main lock core be in released state in the lockhole moving process.