CN201502226U

CN201502226U - Anti-theft lock and key

Info

Publication number: CN201502226U
Application number: CN200920312699XU
Authority: CN
Inventors: 周翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-19
Filing date: 2009-10-19
Publication date: 2010-06-09
Anticipated expiration: 2019-10-19

Abstract

The utility model discloses an anti-theft lock. The anti-theft lock is characterized in second marble holes (A), second marble holes (B), third marble holes (A') and third marble holes (B') are arranged in four rows respectively in such a manner that the anti-theft lock is divided into four equal parts; a cross lock hole (7) is arranged on a lock cover (6); the longitudinal and lateral hole grooves of the cross lock hole (7) are short; a top plate (10) is arranged between the lock cover (6) and a first lock core (12); and corresponding marbles are arranged in first marble holes (11), the second marble holes and the third marble holes. In the utility model, the cross lock hole on the lock cover is utilized to be matched with a key, when the key is inserted into the first lock core, the first rotation is realized, and then the second rotation is realized by the first and the second lock cores at the same time. Therefore, the marbles in the first marble holes are matched with the key teeth for the first time, and the marbles in the second marble holes are matched with the key teeth for the second time, so that the rate of change of the key teeth is improved, and the rate of mutual opening of the key is reduced.

Description

Anti-theft lock end and key

Technical field

The utility model is provided with a kind of five metals lockset, and what be specifically related to is a kind of anti-theft lock end and key.

Background technology

At present, the structure of tapered end is varied, and purpose all is in order to improve theftproof performance and to reduce mutual opening rate.Look into Chinese patent database, obtaining a patent No. is 200410058525.7, the utility model name is called the utility application of " lock ", following content is disclosed: a kind of lock, have lock housing and lock core, it is characterized in that being provided with between described lock housing and the lock core lock core cover, described lock core cover is installed with lock pin coaxial, described lock core puts and has through hole, this through hole communicates with lock core cover endoporus, the inwall of described lock core and lock housing is provided with groove, is provided with locking side column in the described through hole, is provided with elastic device in the described lock housing groove, be provided with horizontal bolt in the groove of described lock core, be provided with blade between the lockhole of described lock core and the groove, its end face when locking of the horizontal bolt on the described lock core overlaps with lock core cylindrical circumference cambered surface, and described lock core puts and is provided with shift fork.The lockset of this structure also has lock core and lock core cover, is equivalent to two coaxial mounted lock cores, but the lockset of this structure, the variation of its key tooth flower still is less, and mutual opening rate is higher.In the utility model, the pellet shot from a slingshot between first lock core, second lock core and the lock housing can intert pinning mutually when locking, increased theftproof performance greatly.

The utility model content

In view of the deficiency that background technology exists, the technical problems to be solved in the utility model is to improve the parameter of key tooth flower, reduces the anti-theft lock end of mutual opening rate.

For this reason, the utility model adopts following technical scheme to realize: a kind of anti-theft lock end, comprise locking closure, first lock core, second lock core and lock housing, described first lock core is provided with the first pellet shot from a slingshot hole, the described first pellet shot from a slingshot hole is symmetrical arranged on first lock core, described second lock core is provided with the second pellet shot from a slingshot hole, described lock housing is provided with the 3rd pellet shot from a slingshot hole, described second lock core is provided with shift fork, it is characterized in that described second pellet shot from a slingshot hole and the 3rd pellet shot from a slingshot hole are provided with four rows with waiting branch respectively, and the second pellet shot from a slingshot hole is corresponding mutually with the 3rd pellet shot from a slingshot hole, described locking closure is provided with the cross lockhole, the vertical hole slot of described cross lockhole is provided with top flat between the described locking closure and first lock core, the described first pellet shot from a slingshot hole with laterally hole slot is short, be provided with corresponding pellet shot from a slingshot in the second pellet shot from a slingshot hole and the 3rd pellet shot from a slingshot hole; Be provided with anti-drilling sheet between described locking closure and the top flat; A kind of key that is used for above-mentioned anti-theft lock end, comprise key bar and the shank of the key, described key bar is provided with tartar, it is characterized in that between tartar and the shank of the key, being provided with projection on the described key bar, this projection make and the shank of the key between form one first draw-in groove, and and tartar between form second draw-in groove.

In the utility model, after key inserts, for the first time with the first pellet shot from a slingshot hole and the second pellet shot from a slingshot hole in the pellet shot from a slingshot coupling after, can rotate first lock core, behind rotation 90 degree, continue to push key, for the second time with the first pellet shot from a slingshot hole, the second pellet shot from a slingshot hole and the 3rd pellet shot from a slingshot hole in the pellet shot from a slingshot coupling, carry out for the second time and rotate, so, for key, its tartar can produce a lot of variations, through calculating,, just have 3 for the key of one four tartar ¹²+ 5 ¹²Plant variation thereby reduced mutual opening rate, improved theftproof performance.

Description of drawings

In conjunction with the accompanying drawings operating principle of the present utility model is described again below.

Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model;

Fig. 2 is the state diagram of the utility model key when mating with first lock core for the first time;

Fig. 3 is the sectional view after the utility model key mates with first lock core for the first time;

Fig. 4 is the state diagram of the utility model key during for the second time with first lock core, second lock core coupling;

Fig. 5 is the sectional view of the utility model key during for the second time with first lock core, second lock core coupling.

The specific embodiment

With reference to accompanying drawing, this anti-theft lock end, comprise locking closure 6, first lock core 12, second lock core 13 and lock housing 14, described first lock core 12 is provided with the first pellet shot from a slingshot hole 11, the described first pellet shot from a slingshot hole 11 is symmetrical arranged on first lock core 12, described second lock core 13 is provided with the second pellet shot from a slingshot hole A, B, described lock housing 14 is provided with the 3rd pellet shot from a slingshot hole, described second lock core 13 is provided with shift fork 15, described second pellet shot from a slingshot hole and the 3rd pellet shot from a slingshot hole are provided with four rows with waiting branch respectively, and the second pellet shot from a slingshot hole is corresponding mutually with the 3rd pellet shot from a slingshot hole, described locking closure 6 is provided with cross lockhole 7, described cross lockhole 7 vertical hole slots are provided with top flat 10 between the described locking closure 6 and first lock core 12, the described first pellet shot from a slingshot hole with laterally hole slot is short, be provided with corresponding pellet shot from a slingshot in the second pellet shot from a slingshot hole and the 3rd pellet shot from a slingshot hole; Be provided with anti-drilling sheet 8 between described locking closure 6 and the top flat 10; The utility model has designed a kind of key that is used for above-mentioned anti-theft lock end simultaneously, comprise key bar 16 and the shank of the key 1, described key bar 16 is provided with tartar 5, between tartar 5 and the shank of the key 1, be provided with projection 3 on the described key bar 16, this projection 3 make with the shank of the key 1 between form one first draw-in groove 2, and and tartar 5 between formation second draw-in groove 4.

In order to be convenient to the clear the utility model of describing, four of five equilibrium ranked second the pellet shot from a slingshot hole on second lock core 13, two rows that it is symmetrical are called A row pellet shot from a slingshot hole and B row pellet shot from a slingshot hole, correspondingly, the 3rd pellet shot from a slingshot hole on the lock housing 6 becomes A ' row pellet shot from a slingshot hole and B ' row pellet shot from a slingshot hole respectively, when not inserting key, A ' row pellet shot from a slingshot hole on the first pellet shot from a slingshot hole 11 on first lock core 12 and row pellet shot from a slingshot hole of the A on second lock core 13 and the lock housing 14 is all in the same plane, that is to say, pellet shot from a slingshot in the A ' row pellet shot from a slingshot hole on the first pellet shot from a slingshot hole 11 on first lock core 12 and row pellet shot from a slingshot hole of the A on second lock core 13 and the lock housing 14 is inserted mutually, makes the lock core 12 of winning, second lock core 13 and lock housing 14 are in locking state.And key adopts the key of one four tartar as embodiment of the present utility model.When using the utility model, with the cross lockhole 7 on the above-mentioned key insertion locking closure 6, because vertical hole slot of cross lockhole 7 is shorter than horizontal hole slot, thereby, after key inserts, vertical hole slot of cross lockhole 7 blocks the projection 3 on the key bar, and first pellet shot from a slingshot hole 11 on first lock core 12 and the row of the A on second lock core 13 pellet shot from a slingshot hole align, key bar 16 three tartars in the outer part cooperate (as shown in Figure 3) with pellet shot from a slingshot in first lock core, make the pellet shot from a slingshot in the lock core 12 of winning equal with the periphery of first lock core 12, and A row pellet shot from a slingshot hole is equal with the periphery of second lock core 13, pellet shot from a slingshot in the A ' row pellet shot from a slingshot hole is also equal with the inner peripheral surface of lock housing 14, pellet shot from a slingshot in pellet shot from a slingshot in the B row pellet shot from a slingshot hole on second lock core 13 and the lock housing in the B ' row pellet shot from a slingshot hole is then inserted mutually, so this moment, second lock core 13 is that pinning can not be in relative rotation with lock housing 14; This moment key, drive first lock core 12 and rotate 90 degree with respect to second lock core 13, after rotating 90 degree, B row pellet shot from a slingshot hole aligns on the pellet shot from a slingshot hole on first lock core 12 and second lock core 13, simultaneously, B ' row pellet shot from a slingshot hole on B row pellet shot from a slingshot hole and the lock housing 14 aligns, meanwhile, key also rotates 90 degree with respect to locking closure 6, and key bar 16 is aimed at the horizontal hole slot of cross lockhole 7, thereby can push key once more, this is, work near three embossing of the shank of the key on the key bar 16, win pellet shot from a slingshot hole 11 and the pellet shot from a slingshot in the B row pellet shot from a slingshot hole are inserted in each other the pellet shot from a slingshot hole mutually, first lock core 12 and second lock core, 13 formation one can not relatively rotate.Like this, three tartars near the shank of the key 1 on pellet shot from a slingshot in pellet shot from a slingshot in the B ' row pellet shot from a slingshot hole and the B row pellet shot from a slingshot hole and the key bar 16 mate back (as shown in Figure 5), its pellet shot from a slingshot is equal with the periphery of second lock core 13 with lock housing 14 separately, therefore, key 90 is spent once more, just can drive first lock core 12 and 13 rotations of second lock core, and drive shift fork 15 rotations on second lock core 13, reach the purpose of unblanking.During locking, reverse key 90 degree earlier, make the first pellet shot from a slingshot hole 11 on the lock core 12 of winning, after B arranges the pellet shot from a slingshot hole and B ' row pellet shot from a slingshot hole on the lock housing is corresponding on second lock core 13, just can pull out key, at this moment, 4 of second draw-in grooves block top flat 10 on the key bar 16, the pellet shot from a slingshot in the B ' pellet shot from a slingshot hole is arranged the pellet shot from a slingshot hole by the B that the spring compressing enters on second lock core 13 on the lock housing 14 simultaneously, make second lock core 13 be in relative static conditions with lock housing 14, tartar 5 in the B row pellet shot from a slingshot hole then once more with key bar 16 in the outer part tartar mate, reverse key 90 degree this moment once more, make key bar 16 corresponding with flat groove 9 on the top flat 10, like this, the first pellet shot from a slingshot hole 11 is corresponding with A row pellet shot from a slingshot hole on second lock core on first lock core 12, A row pellet shot from a slingshot hole is corresponding with A ' row pellet shot from a slingshot hole again simultaneously, pull out key this moment fully, then the pellet shot from a slingshot in the row of the A on the second lock core 12 pellet shot from a slingshot hole falls into again in the first pellet shot from a slingshot hole 11, make lock housing 14, second lock core 13 is also relative with first lock core 12 to remain static, identical with original state, just reach the purpose of locking.

Claims

1. anti-theft lock end, comprise locking closure (6), first lock core (12), second lock core (13) and lock housing (14), described first lock core (12) is provided with the first pellet shot from a slingshot hole (11), the described first pellet shot from a slingshot hole (11) is symmetrical arranged on first lock core (12), described second lock core (13) is provided with the second pellet shot from a slingshot hole (A, B), described lock case of lock (14) be provided with the 3rd pellet shot from a slingshot hole (A ', B '), described second lock core (13) is provided with shift fork (15), it is characterized in that the described second pellet shot from a slingshot hole (A, B) and the 3rd pellet shot from a slingshot hole (A ', B ') is provided with four rows with waiting branch respectively, and the second pellet shot from a slingshot hole (A, B) corresponding mutually with the 3rd pellet shot from a slingshot hole (A ', B '), described locking closure (6) is provided with cross lockhole (7), described cross lockhole (7) vertically hole slot is provided with top flat (10) between described locking closure (6) and first lock core (12), the described first pellet shot from a slingshot hole (11) with laterally hole slot is short, the second pellet shot from a slingshot hole (A, B) and in the 3rd pellet shot from a slingshot hole (A ', B ') be provided with corresponding pellet shot from a slingshot.

2. anti-theft lock end according to claim 1 is characterized in that being provided with anti-drilling sheet (8) between described locking closure (6) and the top flat (10).

3. key that is used for claim 1 or 2 described anti-theft lock ends, comprise key bar (16) and the shank of the key (1), described key bar (16) is provided with tartar (5), it is characterized in that described key bar (5) upward is provided with projection (3) between tartar (5) and the shank of the key (1), this projection (3) make with the shank of the key (1) between form one first draw-in groove (2), and and tartar (5) between formation second draw-in groove (4).