CN2756766Y

CN2756766Y - Anti-theft lock

Info

Publication number: CN2756766Y
Application number: CN 200420046913
Authority: CN
Inventors: 骆国基
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-15
Filing date: 2004-06-15
Publication date: 2006-02-08
Anticipated expiration: 2014-06-15

Abstract

The utility model discloses an anti-theft lock, which aims to provide an anti-theft lock of very high anti-theft property, the inner lock core of which can freely rotate in the state of locked but the lock can not be unlocked, which can effectively prevent various uncommon unlocking such as forced unlocking of the lock core, technical unlocking, etc. The anti-theft lock comprises a casing body, a lock core and a ball. The lock core is composed of an inner lock core and an outer lock core. The cylindrical inner lock core is embedded and sheathed in the cylindrical lock core. The inner lock core is provided with two rows of a plurality of main ball holes in parallel manner and along the shaft direction. The interior of each hole is provided with a spring and a main ball. The tail of each main ball is connected with each spring and the head extends into a key hole. The main balls are cylindrical. The outer side of each main ball is provided with a V-shaped ring groove or a V-shaped concave pit. The position of the inner lock core corresponding to the V-shaped groove of each main ball is provided with an auxiliary ball hole and the interior of the auxiliary ball hole is provided with an auxiliary ball. The position of the outer lock core corresponding to the auxiliary ball hole is provided with an outer lock core ball hole and the interior of the outer lock core ball hole is provided with an outer lock core ball. The position of the casing body corresponding to the outer lock core ball hole is provided with a locking hole and the interior of the locking hole is provided with a casing body spring and a casing elastic bead.

Description

A kind of anti-theft lock end

1, technical field:

The utility model relates to a kind of lockset, relates in particular to the lock head structure in the lockset.

2, background technology:

Mostly in the mechanical lock head that uses at present be cylinder lock, by housing be enclosed within the housing rotary lock core and pellet shot from a slingshot and form.Several pellet shot from a slingshot holes that has in lock core and housing upper edge axially-aligned correspondence.Housing pellet shot from a slingshot of a spring, a lock core marble are housed in each pellet shot from a slingshot hole.Under blocking, the housing pellet shot from a slingshot connects an end of lock core marble, inserts lock core in various degree, is stuck between housing and the lock core, and lock core can not be rotated.When inserting key, rugged spoon tooth is complementary with pellet shot from a slingshot different in size, makes the tie point of all housings and lock core marble all equal with the fitting face of lock core with housing, at this moment can rotational lock core, lockset is opened.The lock of this structure, when lock core was reversed as brute force by special instrument, the pellet shot from a slingshot that stops lock core to rotate can be twisted off, and makes this lock by unnormal unlocking, thereby loses anti-theft feature.

3, summary of the invention:

The purpose of this utility model is to provide a kind of anti-theft lock end that can overcome existing defective in the prior art.It adopts inside and outside lock core structure, and under locking states, internal cylinder can be rotated arbitrarily, and tapered end is not unlocked.The improper means of unblanking such as the brute force of carrying out at lock core is unblanked, technology unlocking can't be implemented, and theftproof is high.

The utility model is achieved by the following technical solution:

It is by housing, be enclosed within formation such as rotary lock core and pellet shot from a slingshot in the housing, wherein: described lock core is by interior, outer lock core is formed, columniform internal cylinder is nested in the columnar outer lock core, have two several main marble holes of row vertically side by side in internal cylinder, the built-in spring in every hole and a main pellet shot from a slingshot, one end of spring connects bottom, pellet shot from a slingshot hole, the other end connects main pellet shot from a slingshot afterbody, the head of main pellet shot from a slingshot extend in the keyhole, described main pellet shot from a slingshot is cylindrical, its outside has a V-ring ditch, or V-arrangement pit, corresponding to the main pellet shot from a slingshot V-ring of every row ditch, or the position of V-arrangement pit has one vertically to several auxiliary marble holes in internal cylinder, and built-in one to several secondary pellets shot from a slingshot.Have one to several outer lock core pellet shot from a slingshot holes at outer lock core corresponding to the position of auxiliary marble hole, built-in one to several outer lock core pellets shot from a slingshot, have the housing lock hole with outer lock core pellet shot from a slingshot corresponding position.Built-in housing spring, housing pellet shot from a slingshot, housing spring outer end is connected with housing, and the housing pellet shot from a slingshot is being pressed in the inner, lock hole is stretched in the outer end of outer lock core pellet shot from a slingshot, be connected with the housing pellet shot from a slingshot, its inner is connected with secondary pellet shot from a slingshot, and the inner of secondary pellet shot from a slingshot is pressed on the outside of main pellet shot from a slingshot.

The lock core of the utility model theftproof lock is made up of inside and outside lock core, and inside and outside lock core fuses when unblanking, and twisting key rotation internal cylinder just can drive outer lock core and will lock unlatching.During locking, inside and outside lock core separates, and internal cylinder can be rotated arbitrarily, and this lock can not be unlocked.So this lock can effectively defend at the brute force that lock core carries out unblank, the improper means of unblanking such as technology unlocking.Its theftproof is much higher than the lock of prior art.

4, description of drawings:

Fig. 1 is the cut-away view of the blocking of a kind of embodiment of the utility model.

Fig. 2 is the cut-away view of the unlocking condition of a kind of embodiment of the utility model.

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

Fig. 4 is the cut-away view of second kind of embodiment of the present utility model.

Fig. 5 is the cut-away view of the third embodiment of the utility model.

Fig. 6 is the sectional view of the 4th kind of embodiment of the utility model.

Fig. 7 is the sectional view of the 5th kind of embodiment of the utility model.

Fig. 8 is the front view of the secondary pellet shot from a slingshot of internal cylinder among Fig. 7.

Fig. 9 is the right view of Fig. 8.

5, the specific embodiment:

Fig. 1-3 illustrated embodiment theftproof lock is enclosed within by housing 1 that rotatable lock core and pellet shot from a slingshot etc. constitute in the housing, it is characterized in that, described lock core is by interior, outer lock core is formed, columniform internal cylinder 3 is nested in the columnar outer lock core 2, internal cylinder 3 is arranged side by side vertically, the symmetry have two row several main marble holes 8, a spring 12 is put in every hole, a main pellet shot from a slingshot 4, main pellet shot from a slingshot 4 afterbodys are being pressed spring 12, head extend in the keyhole 16, main pellet shot from a slingshot 4 is a cylinder, the outside has a V-ring ditch 15, internal cylinder 3 corresponding to the direction of V-ring ditch 15 vertically symmetry have two rectangle auxiliary marble holes 9, the secondary pellet shot from a slingshot 5 of the built-in rectangle strip body in every hole has outer lock core pellet shot from a slingshot hole 10, the external lock core marble 6 of the built-in rectangle strip in every hole at outer lock core 2 corresponding to internal cylinder auxiliary marble hole 9 place's symmetries, housing 1 disposes 1 to several housing pellets shot from a slingshot 7 and housing spring 13 corresponding to the lock hole 14 that is complementary with outer lock core pellet shot from a slingshot 6 that has of outer lock core pellet shot from a slingshot hole 10 place's symmetries in the hole.

When no key inserts, main pellet shot from a slingshot 4 moves to keyhole 17 under the effect of spring 12, its V-ring ditch 15 departs from auxiliary marble hole 9, secondary pellet shot from a slingshot 5 is compeled on the top, make the outer lock core pellet shot from a slingshot 6 on secondary pellet shot from a slingshot 5 and the coupled same straight line, housing pellet shot from a slingshot 7 outwards moves together, make the equal fitting face between internal cylinder 3 and outer lock core 2 of secondary pellet shot from a slingshot 5 with the tie point between the outer lock core pellet shot from a slingshot 6, then insert among the lock hole 14 of housing the outer end of outer lock core pellet shot from a slingshot 6 simultaneously, be stuck on the fitting face between outer lock core 2 and the housing 1, outer lock core 2 can not be rotated, be in blocking.Block without any object on the fitting face between internal cylinder 3 and the outer lock core 2 at this moment, be in released state fully, internal cylinder 3 can be rotated arbitrarily, and this lock can not be unlocked.

When unblanking, when key 17 inserts, under the promotion of spoon tooth, main pellet shot from a slingshot 4 moves inwards, its V-ring ditch 15 all aligns auxiliary marble hole 9, under the effect of housing spring 13, housing pellet shot from a slingshot 7, outer core pellet shot from a slingshot 6, secondary pellet shot from a slingshot 5 moves together inwards, the inner of secondary pellet shot from a slingshot 5 enters into the V-ring ditch 15 of main pellet shot from a slingshot 4, and its outer end is lower than the surface of internal cylinder 3, and the inner of coupled outer lock core pellet shot from a slingshot 6 is inserted into internal cylinder 3 simultaneously, be stuck between internal cylinder 3 and the outer lock core 2, the two is connected as a single entity, and lock hole is then withdrawed from its outer end, and is equal with the fitting face between housing 1 and the outer lock core 2.At this moment, no any object blocks between housing 1 and the outer lock core 2 will be locked unlatching as long as twisting key rotation internal cylinder 3 just can drive outer lock core 2.

Second embodiment anti-theft lock end shown in Figure 4, and the difference of Fig. 1-3 illustrated embodiment anti-theft lock end is as follows: outer lock core pellet shot from a slingshot 6 is two to several cylinders.

The 3rd embodiment anti-theft lock end shown in Figure 5, and the difference of Fig. 1-3, anti-theft lock end embodiment illustrated in fig. 4 is as follows: secondary pellet shot from a slingshot 5 be shaped as cylinder, quantity is identical with the quantity of main pellet shot from a slingshot 4.

The difference of the 4th embodiment anti-theft lock end shown in Figure 6 and Fig. 1-3, Fig. 4, anti-theft lock end embodiment illustrated in fig. 5 is as follows: the V-ring ditch 15 that open in the outside of its main pellet shot from a slingshot 4 can be the V-arrangement pit.

The 5th embodiment anti-theft lock end shown in Figure 7, as follows with the difference of above-mentioned four embodiment anti-theft lock ends: as alternately to stagger before and after the main pellet shot from a slingshot 4 of internal cylinder two rows is set to, be asymmetric arrangement, secondary pellet shot from a slingshot 5 is a pectinate body, it is developed by the secondary pellet shot from a slingshot 5 of rectangle strip body, has increased several projections 18 in the inner of the secondary pellet shot from a slingshot 5 of rectangle strip body, and this projection 18 stretches between the main pellet shot from a slingshot of first row, be connected the shared secondary pellet shot from a slingshot of the two main pellets shot from a slingshot of row with the main pellet shot from a slingshot of second row.Lock core marble 6 is unidirectional setting, and this embodiment anti-theft lock end is the monodirectional locking structure.

Claims

1. anti-theft lock end, by housing (1), be enclosed within composition such as rotary lock core and pellet shot from a slingshot in the housing (1), it is characterized in that: described lock core is made up of internal cylinder and outer lock core, columniform internal cylinder is nested in the columnar outer lock core, internal cylinder (3) is arranged side by side vertically, have two row's several main marble holes (8), built-in spring (12) and main pellet shot from a slingshot (4), one end of spring (12) connects the bottom of main marble hole (8), the other end connects the afterbody of main pellet shot from a slingshot (4), the head of main pellet shot from a slingshot (4) extend in the keyhole (16), main pellet shot from a slingshot (4) is a cylinder, its outside has a V-ring ditch or V-arrangement pit (15), internal cylinder (3) is corresponding to the position in the V-ring ditch V-arrangement hole (15) of the two main pellets shot from a slingshot of row (4), be provided with auxiliary marble hole (9), built-in secondary pellet shot from a slingshot (5), lock core marble hole (10) 1 was to several over outer lock core (2) was located corresponding to auxiliary marble hole (9), built-in outer lock core pellet shot from a slingshot (6), housing (1) has lock hole (14) corresponding to place, outer lock core pellet shot from a slingshot hole, built-in housing spring (13) and housing pellet shot from a slingshot (7), the outer end of housing spring (13) connects housing, the outer end of housing pellet shot from a slingshot (7) is being pressed in the inner, the outer end of outer lock core pellet shot from a slingshot (6) extend in housing (1) lock hole (14), be connected with the inner of housing pellet shot from a slingshot, the inner of external lock pellet shot from a slingshot (6) is connected with the outer end of the secondary pellet shot from a slingshot of internal cylinder (5), and the inner of secondary pellet shot from a slingshot (5) is pressed on the outside of main pellet shot from a slingshot (4).

2. according to the described anti-theft lock end of claim 1, it is characterized in that: outer lock core pellet shot from a slingshot (6) is for symmetrically arranged two to several cylinders.

3. according to the described anti-theft lock end of claim 1, it is characterized in that outer lock core pellet shot from a slingshot (6) can be a rectangle strip body.

4. according to claim 1 or 3 described anti-theft lock ends, it is characterized in that: secondary pellet shot from a slingshot (5) is two to several cylinders.

5. according to claim 1 or 2 or 3 described anti-theft lock ends, it is characterized in that: secondary pellet shot from a slingshot (5) is two symmetrically arranged rectangle strip bodies.

6. according to the described anti-theft lock end of claim 1, it is characterized in that: the arrangement of alternately staggering before and after the two main pellets shot from a slingshot of row (4) are, inner several projections of projection (18) of secondary pellet shot from a slingshot (5) form pectinate body, projection (18) stretches between two pellets shot from a slingshot of the first main pellet shot from a slingshot of row (4), be connected with the second main pellet shot from a slingshot of row (4), this structure is the unidirectional external lock core marbles of rectangle strip (6) that are provided with of two row's main pellet shot from a slingshot (4) shared secondary pellets shot from a slingshot (5)

7. it is characterized in that according to the described anti-theft lock end of claim 1: outer lock core pellet shot from a slingshot (6) can be for one to several cylinders.

8. according to the described anti-theft lock end of claim 1, it is characterized in that: described outer lock core pellet shot from a slingshot (6) is set to the both direction difformity, Yi Bian be rectangle strip body, relative another side is the several cylinders body.

9. according to the anti-theft lock end of claim 1 or 2 or 3, it is characterized in that: secondary pellet shot from a slingshot (5) shape of both direction is inequality, and a direction is a rectangle strip body, and another relative direction is the several cylinders body.