CN102155113A

CN102155113A - Anti-theft lock and key for unlocking

Info

Publication number: CN102155113A
Application number: CN 201110121671
Authority: CN
Inventors: 韩军
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-06
Filing date: 2011-05-06
Publication date: 2011-08-17

Abstract

The invention discloses an anti-theft lock and a key for unlocking and belongs to a lock. The invention aims to provide the anti-theft lock with a picking prevention function and the key for unlocking. The anti-theft lock comprises a lock core, a lock sleeve, and a marble; a barrier marble of which the length is more than that of the conventional marble is arranged in the lock core; at least one conventional marble is arranged behind the barrier marble; a radial horizontal push pin is arranged at the inner end of a key hole of the lock core opposite to the marble; a compression spring is arranged on a cylinder with a small diameter at the inner end head of the lock core; and a section of lock core body with a non-circular section is arranged at an outer end of the circular lock core to be slidably matched with a non-circular hole at the outer end of a circular lock sleeve hole. The anti-theft lock is particularly suitable for picking prevention occasions.

Description

A kind of theftproof lock and unblank to use key

Technical field:

The present invention relates to a kind of anti-theft device, particularly a kind of theftproof lock and unblank to use key.

Background technology:

Mechanical cylinder lock becomes most widely used a kind of lockset in people's life because it is simple in structure, good manufacturability and cost are low, and its occupation rate of market can reach more than 95%.But, the theftproof performance of this lock is relatively poor, there are three kinds of unsafe factors in it, the one, lock core body is cylindrical, and core size is less, the pellet shot from a slingshot in it and the anti-destructive power of spring are not strong, the robber adopts the instrument of similar key to insert in the lock core hole and is rotated by external force or use lever, and the pellet shot from a slingshot that directly destroys in the lock core hole is stolen, and the 2nd, skilled unlocking, also claim the picking lock formula to unblank to steal, be that the burglar inserts in the lock core hole with a kind of instrument, prize pellet shot from a slingshot lock is opened, in addition, the existing mechanical cylinder lock, since the limited amount of pellet shot from a slingshot and self length short (generally below 2.5mm), and antitheft unit length is not less than 0.3mm, thereby the mutual opening rate of this mechanical cylinder lock generally is no more than hundreds thousand of/one, be that mutual opening rate is higher, a key that happens occasionally in the life that Here it is can be opened the phenomenon of two different locks.

Summary of the invention:

First purpose of the present invention provides a kind of a kind of theftproof lock with anti-other lock function; Second purpose of the present invention provides a kind ofly to be had a kind of theftproof lock of pick-proof lock function and unblanks to use key.The technical scheme that realizes the object of the invention is, a kind of theftproof lock, comprise lock core, lock tube and pellet shot from a slingshot, it is characterized in that: it is non-circular lock core body that the outer end of circular lock core is provided with one section cross section, and the non-circular hole of this non-circular lock core body and circular lock tube outer end of hole is slippery.A kind of theftproof lock, comprise lock core, lock tube and pellet shot from a slingshot, it is characterized in that: be provided with the obstacle pellet shot from a slingshot of length in the pellet shot from a slingshot in the lock core greater than conventional pellet shot from a slingshot length, behind the obstacle pellet shot from a slingshot, has a conventional pellet shot from a slingshot at least, be provided with horizontal distribution radially in lock core keyhole the inner relative, on the minor diameter cylinder of lock core inner termination, be provided with the compression spring with pellet shot from a slingshot; It is slippery that the outer end of circular lock core is provided with one section transversal non-circular hole for non-circular lock core body and circular lock tube outer end of hole.A kind of key of opening theftproof lock, comprise groove relative on key body and the medial surface thereof with pellet shot from a slingshot, it is characterized in that: be provided with the inclined-plane of face tilt to the inside at the front end of the lateral surface of key body, be provided with outward-dipping inclined-plane in the rear end of key body lateral surface, when the end face on inclined-plane, described front and back end contacted with the port wall of the horizontal distribution termination of lock core keyhole the inner and lock tube outer end respectively, each pellet shot from a slingshot in the lock tube is pushed in the lock tube pellet shot from a slingshot hole corrugated surface of key inboard and each pellet shot from a slingshot in the lock core does not enter in the lock tube pellet shot from a slingshot hole.Be provided with a radial blind holes in the non-circular hole wall of lock tube outer end, be provided with stage clip and pin in the blind hole, the axial groove on the non-circular body of this pin and lock core outer end is relative.The present invention have compared with the prior art anti-not Suo, the pick-proof lock performance is good, mutual opening rate is low and have the good processability and a low significant advantage of cost of mechanical cylinder lock.

Description of drawings:

Fig. 1 is the structural representation of theftproof lock closed condition of the present invention, Fig. 2 is the vertical view of Fig. 1, Fig. 3 is the structural representation that key inserts anti-theft lock hole pellet shot from a slingshot open state, Fig. 4 is theftproof lock is extracted the lock open state out from lock core hole at key a structural representation, Fig. 5 is the another kind of locking states structural representation of theftproof lock of the present invention, Fig. 6 is the vertical view of Fig. 5, Fig. 7 is that Fig. 5 theftproof lock insertion key is opened pellet shot from a slingshot state structural representation, Fig. 8 is the lock core outer end of theftproof lock of the present invention and second kind of structural representation that the outer stomidium of lock tube matches, Fig. 9 is the lock core outer end of theftproof lock of the present invention and the third structural representation that the outer stomidium of lock tube matches, Figure 10 is the lock core outer end of theftproof lock of the present invention and the 4th kind of structural representation that the outer stomidium of lock tube matches, Figure 11 is the lock core outer end of theftproof lock of the present invention and the 5th kind of structural representation that the outer stomidium of lock tube matches, Figure 12 is the lock core outer end of theftproof lock of the present invention and the 6th kind of structural representation that the outer stomidium of lock tube matches, Figure 13 is the lock core outer end of theftproof lock of the present invention and the 7th kind of structural representation that the outer stomidium of lock tube matches, and Figure 14 is the lock core outer end of theftproof lock of the present invention and the 8th kind of structural representation that the outer stomidium of lock tube matches.

The specific embodiment:

Prevent Suo not in order to solve, the present invention becomes the external end head system of lock core body the shape that can not rotate with the lock tube hole, thereby the shape of lock core of the present invention termination is except the shape of Fig. 2, and it can have following seven kinds of planforms as Fig. 8-Figure 14, and other shape can also be arranged certainly.The shape of this lock core termination can prevent that the burglar from not locking theft, and just can rotate after pellet shot from a slingshot is withdrawed from from the non-circular hole of lock tube nose end head by key operated rear lock core, and does not influence other functions of lock.

In order to prevent technology unlocking, it is the picking lock theft, the present invention is with the pellet shot from a slingshot length lengthening more than or two in the pellet shot from a slingshot, and in the pellet shot from a slingshot of routine at least one placed the back of long marble (obstacle pellet shot from a slingshot), like this when the robber adopts the picking lock means, its picklock can not contact the conventional pellet shot from a slingshot of obstacle pellet shot from a slingshot back in lock core hole, contact conventional pellet shot from a slingshot will be pressed into the obstacle pellet shot from a slingshot in the hole of lock tube, and the obstacle pellet shot from a slingshot promptly entered in the lock tube hole and the lock core lock tube was pinned this moment.

The open theory of theftproof lock of the present invention is, key 12 is injected in the lock core hole that is attached to lock tube 1 in the hole of lock cores 2 hole wall one side direction relative and insert with pellet shot from a slingshot, it is horizontal to pellet shot from a slingshot one side shifting that the inclined-plane in the termination of the horizontal distribution 5 of level on the hole wall of the key of the inclined-plane, the outside of key front end and lock core hole and the outside of key outer end makes key do under the acting in conjunction of lock tube port wall, the groove face relative with pellet shot from a slingshot on the key medial surface moves obstacle pellet shot from a slingshot 4 on the lock core body and conventional pellet shot from a slingshot 3 in the pellet shot from a slingshot hole in the lock tube hole at this moment, the pellet shot from a slingshot 10 that spring 9 only is compressed to the lock tube hole withdraws from from the hole of lock core body, and the pellet shot from a slingshot in the lock core body does not enter in the pellet shot from a slingshot hole of lock tube, at this moment, lock core and lock tube are opened, (referring to Fig. 3), this moment, lock core body withdrawed from certain distance and limited pin 11 restriction can not withdraw fully vertically from the lock tube hole under the effect of stage clip 7, this moment, dead bolt 6 broke away from from the groove of snap close 8, snap close just can be pulled out from the lock tube hole, and lock promptly is opened.Fig. 5 has provided spacer pin and has been located at structural representation on the body of lock core body lower end.After above-mentioned theftproof lock is opened, when needs close locking again, will withdraws from lock core outside the lock tube hole with hand and press in the lock tube hole when making lock core enter at the bottom of the hole of lock tube, the pellet shot from a slingshot in the lock tube enters under the spring force effect in the hole of lock core body lock core is pinned.

The present invention has adopted the traversing structure of unblanking of key, for the length that increases pellet shot from a slingshot provides the space, so can further reduce the mutual opening rate of cylinder lock.

Claims

1. a theftproof lock comprises lock core, lock tube and pellet shot from a slingshot, it is characterized in that: it is non-circular lock core body that the outer end of circular lock core is provided with one section cross section, and the non-circular hole of this non-circular lock core body and circular lock tube outer end of hole is slippery.

2. theftproof lock, comprise lock core, lock tube and pellet shot from a slingshot, it is characterized in that: be provided with the obstacle pellet shot from a slingshot of length in the pellet shot from a slingshot in the lock core greater than conventional pellet shot from a slingshot length, behind the obstacle pellet shot from a slingshot, has a conventional pellet shot from a slingshot at least, be provided with horizontal distribution radially in lock core keyhole the inner relative, on the minor diameter cylinder of lock core inner termination, be provided with the compression spring with pellet shot from a slingshot; It is slippery that the outer end of circular lock core is provided with one section transversal non-circular hole for non-circular lock core body and circular lock tube outer end of hole.

3. key of opening the described theftproof lock of claim 2, comprise groove relative on key body and the medial surface thereof with pellet shot from a slingshot, it is characterized in that: be provided with the inclined-plane of face tilt to the inside at the front end of the lateral surface of key body, be provided with outward-dipping inclined-plane in the rear end of key body lateral surface, when the end face on inclined-plane, described front and back end contacted with the port wall of the horizontal distribution termination of lock core keyhole the inner and lock tube outer end respectively, each pellet shot from a slingshot in the lock tube is pushed in the lock tube pellet shot from a slingshot hole corrugated surface of key inboard and each pellet shot from a slingshot in the lock core does not enter in the lock tube pellet shot from a slingshot hole.

4. theftproof lock according to claim 1 and 2 is characterized in that: be provided with a radial blind holes in the non-circular hole wall of lock tube outer end, be provided with stage clip and pin in the blind hole, the axial groove on the non-circular body of this pin and lock core outer end is relative.