CN201103276Y

CN201103276Y - Idle run anti-theft spring lock

Info

Publication number: CN201103276Y
Application number: CNU200720150682XU
Authority: CN
Inventors: 黄伟敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-16
Filing date: 2007-05-18
Publication date: 2008-08-20
Anticipated expiration: 2017-05-18

Abstract

The utility model provides an idle running anti-theft spring lock, which adopts an idle running pin structure, wherein an idle running pin is arranged in front, a rear lock cylinder is arranged in rear and is placed in an inner hole of a lock body together, an idle running pin groove, a square groove and a square groove opened by the rear pin core in the idle running core are internally provided with a 7-shaped unlocking clutch pin or a one-shaped unlocking clutch pin, the idle running pin groove, the square groove and the square groove opened by the rear pin core are positioned close to the idle running pin, and the unlocking clutch pin is matched with the square groove on the lock body; an anti-drilling blocking cover is arranged at the front end of the idle core. The lock with the structure can be unlocked only when ︺ -shaped grooves of all the marbles are superposed and are in a straight line, so that the lock is extremely difficult to open without a matched key, and the performances of preventing a master key, a lock opening gun and technically unlocking are very excellent. The safety is high.

Description

The idle running antitheft sylinder

Technical field

The utility model relates to a kind of lockset, especially a kind of idle running antitheft sylinder.

Background technology

Usually cylinder lock locks the lock core rotation by pellet shot from a slingshot, and each pellet shot from a slingshot in the lock is by two compositions.When unblanking, the contact surface of two pellets shot from a slingshot overlaps with the contact surface of lock core and lock body, and the relative lock body of lock core is rotatable; During locking, the contact surface of the contact surface of two pellets shot from a slingshot and lock core and lock body staggers, because the barrier effect of pellet shot from a slingshot, lock core cannot rotate.

This problem that is latched in is: because mismachining tolerance, each pellet shot from a slingshot can not block lock body simultaneously, and the criminal is easy to one by one pellet shot from a slingshot be pushed aside with instrument, and a lock is opened, and is easy to open with locks such as master key, Unlocking guns.Along with development of science and technology, tool used in crime intensity is more and more higher now in addition, after the instrument of high strength and toughness inserts lock core, reverse lock core by force, when the intensity of instrument is enough big, just the bolt that is fixed on the tapered end on the door can be twisted off, perhaps turn round the pellet shot from a slingshot between bad lock core and the lock body, brute force is unblanked.

Summary of the invention

The purpose of this utility model provides a kind of employing idle pins structure, and non-matching key extremely difficulty is unblanked, the idle running antitheft sylinder that theftproof performance is superior.Its idling core is in idling conditions fully when shutting, insert unlocking tool or other object and enter keyhole, can rotate idling core arbitrarily, but can't unblank, and has that very strong defence brute force is unblanked and the function of skilled unlocking.

Technical solution adopted in the utility model is:

Idling core is preceding, rear lock core after, be placed in together in the endoporus of lock body, be provided with the on-of pin of unblanking of unblank on-of pin or " one " font of " 7 " font in the square groove that idle running cotter way in idling core, square groove and back pin core are opened, its position next-door neighbour's idle pins, the square groove on unblank on-of pin and the lock body matches.

The on-of pin of unblanking of " 7 " font, its long limit are all or major part is placed in the groove of idling core or in the groove of lock body, the minor face of end is placed in the groove of rear lock core thereafter.

The on-of pin major part of unblanking of " one " font is placed in the groove of idling core or in the groove of lock body, its rear end is deployed and is put in the groove of rear lock core.

Pellet shot from a slingshot in the idling core can be single row or multiple rows, and the unblank on-of pin of unblanking of on-of pin or " one " font of used " 7 " font can have one or more.

At the idling core front end brill door of setting up defences, via pins is fixed on the lock body.

Idling core front end brill door in the air can adopt drives a cannelure on idling core, pin or pin sheet are fixed on the lock body; Pin or pin sheet stick into the cannelure the inside, and cannelure can be at front portion, middle part or the rear portion of idling core, and pin or pin sheet can be corresponding with cannelure at front portion, middle part or the rear portion of lock body.

Do not adopt anti-drilling door, can on idling core, punch, spring and pin or pin sheet are put in the inside, hole, on lock body, drive a cannelure again, pin or pin sheet stick into the cannelure the inside, pin or pin sheet can be at front portion, middle part or the rear portions of idling core, and cannelure can be corresponding with pin or pin sheet at front portion, middle part or the rear portion of lock body.

Characteristics of the present utility model are to control idle pins with pellet shot from a slingshot to move, idle pins is controlled the on-of pin of unblanking again and is moved, when the on-of pin of unblanking enters the square groove of lock body, tapered end is in closure state, idling core is free to rotate and can't unblank, and can prevent that inserting keyhole with the high strength instrument unblanks by force.When inserting matched key, idle pins

Each pellet shot from a slingshot is slipped in the shape inboard

In the connected in star, at this moment key, when the square groove of the idle running cotter way of idling core and square groove and lock body at once, the on-of pin of unblanking enters the idle running cotter way and the square groove of idling core under the effect of flat pearl spring, at this moment twisting key just can open lock, owing to adopt the idle pins structure, work as whole pellets shot from a slingshot so have only

Connected in star overlaps, and when being in a straight line, just can unblank, so non-matching key, an extremely difficult lock is opened, and the performance of its preventing universal key, Unlocking gun and skilled unlocking is very superior.Safe.

Description of drawings

Fig. 1 is structure 1 sectional view that the utility model inserts matched key.

Fig. 2 is structure 2 sectional views that the utility model inserts matched key.

Fig. 3 is the A-A view of Fig. 1.

Fig. 4 is the A-A view that the utility model is extracted matched key.

Fig. 5 is structure 3 sectional views that the utility model inserts matched key.

Fig. 6 is structure 4 sectional views that the utility model inserts matched key.

Fig. 7 is the double billiards structure schematic diagram that the utility model inserts matched key.

Fig. 8 is the B-B view of Fig. 7.

Fig. 9 is the B-B view that the utility model is transferred to the double billiards structure of matched key.

The specific embodiment

This idle running antitheft sylinder mainly comprises idling core 1, anti-drilling door 3, pin 4, the on-of pin 5 of unblanking, flat pearl 6, flat pearl spring 7, idle pins 8, pellet shot from a slingshot 9, rear lock core 13, the driving lever 14 of unblanking, lock body 15, matched key 16, marble spring 17, anti-drilling sheet 30.Have idle running cotter way 2 and pellet shot from a slingshot hole 19 on the idling core 1, idle running cotter way 2 is inboard to communicate with pellet shot from a slingshot hole 19, and with pellet shot from a slingshot hole 19 approximate vertical, pellet shot from a slingshot hole 19 is provided with pellet shot from a slingshot 9 and marble spring 17.The idling core rear portion has square groove 11, square groove 11 and idle running cotter way 2 are connected, square groove 11 is corresponding with the square groove 12 that rear lock core 13 is opened, idle running cotter way 2 on the idling core 1, the square groove of opening on square groove 12 on square groove 11 and the back pin core 13 and the lock body 10 is corresponding, on each pellet shot from a slingshot 9 circle is arranged all

The type groove.Be provided with idle pins 8 in the idle running cotter way 2, idle pins 8

Type inboard 22, can with pellet shot from a slingshot 9 on

Type groove 18 matches, be provided with the on-of pin 5 of unblanking in the square groove 12 that idle running cotter way 2 square grooves 11 that idling core 1 is opened and rear lock core 13 are opened, its position next-door neighbour's idle pins 8, the unblank cross section of on-of pin 5 is square can matching with the square groove 10 of lock body 15 circular hole inboards, the radial direction of lock body 15 has the flat hole of bead 23, the flat hole of bead 23 is communicated with square groove 10, the flat hole of bead 23 is provided with flat pearl 6 peaceful pearl springs 7, spring force conveys to idle pins 8 through the flat pearl 6 and the on-of pin 5 of unblanking, anti-drilling door 3 usefulness pins 4 are fixed on the lock body 15, its effect is that restriction idling core 1 moves axially, and the driving lever 14 of unblanking is fixed on the rear lock core 13, just can unblank so have only rear lock core to rotate.Anti-drilling sheet 30 is placed in the rearward end of idling core 1, the protection rear lock core 13 and the on-of pin 5 of unblanking.

When cylinder lock head is in closure state, as shown in Figure 4, at this moment idling core 1 can 360 degree rotate and do not open lock, when inserting matched key 16 to 21 li of keyholes, the tartar 20 on the key 16 forces pellet shot from a slingshot 9 to move, and makes on every pellet shot from a slingshot 9

Type groove 18 all overlaps, and is on the straight line, at this moment rotates idling core 1 when making the square groove 10 of idle running cotter way 2 square grooves 11 and lock body 15 corresponding, idle pins 8 under the effect of flat pearl spring 7, its

Type inboard 22 is slipped on the pellet shot from a slingshot 9

In the type groove 18, the on-of pin 5 of unblanking also enters idle running cotter way 2 and square groove 11 the insides on the idling core 1 at the square groove 10 that breaks away from lock body 15 under the effect of flat pearl spring 7.Idling core 1 is connected as a single entity through unblank on-of pin 5 and rear lock core 13.At this moment key 16 drives idling core 1 rotation, and rear lock core 13 also and then rotates, and rotates thereby drive the dead man of unblanking, and opens locking.After lock is opened, rotate matched key 16, idle running cotter way 2 on idling core 1, when the square groove 10 of square groove 11 and lock body 15 is corresponding, at this moment transfer to key 16, pellet shot from a slingshot 9 moves under the effect of marble spring 17, force idle pins 8 to move along the direction of arrow, the on-of pin 5 of unblanking is headed into square groove 10 the insides of lock body 15, up to the outside of idle pins 8 and the external cylindrical surface alignment of idling core 1, at this moment lock body 15 blocks rear lock core 13 by the minor face of on-of pin 5 rearward end of unblanking of " 7 " font, and unblank on-of pin 5 and lock body 15 of dead man 14 rear lock cores 13 of at this moment unblanking is connected as a single entity, and the dead man 14 of unblanking can't be rotated.Tapered end is in closure state.

Structure sectional view when the external diameter that structure 2 of the present utility model is a rear lock core 13 is more bigger than the external diameter of idling core 1, both available in this case " 7 " font unblank on-of pin 5, also can be with the on-of pin 31 of unblanking of " one " font.Be slightly larger than the external diameter of idling core 1 because of the external diameter of rear lock core 13, so after tapered end is transferred to matched key 16, enter the on-of pin 31 of unblanking of square groove 10 the insides of lock body 15, thereafter rear lock core 13 is also blocked in square groove 12 the insides of rear lock core in the end, rear lock core 13 can't be rotated relative to lock body 15, and tapered end is in closure state.

Unblank the cross section of on-of pin 5 can be not for square, the square groove 10 of lock body 15 and the square groove 12 of square groove 11 on the idling core 1 and rear lock core 13 can be square also, needing only matches between these associated parts then can.

In addition, structure 3 of the present utility model is for adopting anti-drilling door 3 structures, can pin or pin sheet 25 be fixed on the lock body 15 at idling core 1 cannelure 24 of getting on the bus, and pin or pin sheet 25 stick into cannelure 24 the insides; Cannelure 24 can be at front portion, middle part or the rear portion of idling core 1, and pin or pin sheet 25 can be corresponding with cannelure 24 at front portion, middle part or the rear portion of lock body 15, as shown in Figure 5.

Structure 4 of the present utility model is the another kind of structure when not adopting anti-drilling door 3 and pin or pin sheet 25, can on idling core 1, punch 26, spring 27 and pin or pin sheet 28 are put in 26 the insides, hole, on lock body 15, drive a cannelure 29 again, pin or pin sheet 28 stick into cannelure 29 the insides, pin or pin sheet 28 can be at front portion, middle part or the rear portions of idling core 1, and cannelure 29 can be corresponding with pin or pin sheet 28 at front portion, middle part or the rear portion of lock body 15, as shown in Figure 6.

The utility model can adopt the single row or multiple rows billiards structure, and the used on-of pin 5 of unblanking can be with one or more, and Fig. 7 is the double billiards structure schematic diagram that the utility model inserts matched key.

Claims

One kind idle running antitheft sylinder, comprise lock body, idling core and pellet shot from a slingshot, it is characterized in that: idling core (1) is preceding, rear lock core (13) after, be placed in together in the endoporus of lock body (15), be provided with on-of pin of unblanking (5) of " 7 " font or the on-of pin of unblanking (31) of " one " font in the square groove (12) that idle running cotter way (2) in idling core (1), square groove (11) and back pin core (13) are opened, its position next-door neighbour's idle pins (8), the square groove (10) on on-of pin of unblanking (5) and the lock body (15) matches.
2. idle running antitheft sylinder according to claim 1, it is characterized in that: the on-of pin of unblanking (5) of " 7 " font, its long limit all or major part is placed in the groove of idling core (1) or in the groove of lock body (15), the minor face of end is placed in the groove of rear lock core (13) thereafter.
3. idle running antitheft sylinder according to claim 1 and 2 is characterized in that: the on-of pin of unblanking (31) major part of " one " font is placed in the groove of idling core (1) or in the groove of lock body (15), its rear end is deployed and is put in the groove of rear lock core (13).
4. idle running antitheft sylinder according to claim 1 is characterized in that: the pellet shot from a slingshot in the idling core (1) is single row or multiple rows, and the unblank on-of pin of unblanking (31) of on-of pin (5) or " one " font of used " 7 " font can have one or more.
5. idle running antitheft sylinder according to claim 1 is characterized in that: set up defences at idling core (1) front end and bore door (3), via pins (4) is fixed on the lock body (15).
6. the antitheft sylinder that dallies according to claim 1 or 5, it is characterized in that: idling core (1) front end brill door in the air (3) can adopt and drive a cannelure (24) on idling core (1), and pin or pin sheet (25) are fixed on the lock body (15); Pin or pin sheet (25) stick into cannelure (24) the inside, and cannelure (24) can be at front portion, middle part or the rear portion of idling core (1), and pin or pin sheet (25) can be corresponding with cannelure (24) at front portion, middle part or the rear portion of lock body (15).
7. according to claim 1 or 5 or 6 described idle running antitheft sylinders, it is characterized in that: do not adopt anti-drilling door (3), can go up punching (26) at idling core (1), spring (27) and pin or pin sheet (28) are put in the inside, hole (26), on lock body (15), drive a cannelure (29) again, pin or pin sheet (28) stick into cannelure (29) the inside, pin or pin sheet (28) can be at front portion, middle part or the rear portions of idling core (1), and cannelure (29) can be corresponding with pin or pin sheet (28) at front portion, middle part or the rear portion of lock body (15).