CN2510588Y

CN2510588Y - Anti-theft cylinder lock and key thereof

Info

Publication number: CN2510588Y
Application number: CN 01276723
Authority: CN
Inventors: 骆国基
Original assignee: Individual
Current assignee: Li Huaxuan
Priority date: 2001-12-03
Filing date: 2001-12-03
Publication date: 2002-09-11
Anticipated expiration: 2011-12-03

Abstract

The utility model relates to a security lock and a matching key, the security lock is composed by a lock case, a plug, and a ball etc. Locking tablet grooves are laterally opened on the plug, two locking tablets which can move right and left, and are overlapped front and back, and controlled by a locking tablet spring are loaded in each locking plate groove, a rectangular keyhole is arranged in the middle of the locking tablet, a small projection is arranged at one edge of the keyhole, each locking tablet is provided with a V-shaped gap correspondingly to a longitudinal plug ball groove, a lock case locking groove is arranged on the lock case correspondingly to the plug ball groove, a plug ball is placed in the plug ball groove. The key uses a double-side inside tooth structure. The utility model has composite functions of the ball switch and the locking tablet switch, which has well guard against theft, double-side inside tooth structure without identifying the direction, unlocking when inserting, and convenient use.

Description

A kind of antitheft sylinder and key thereof

Technical field

The utility model relates to a kind of lock, especially mechanical anti-theft lock and key thereof.

Background technology

Produce and use cylinder lock at present, though it is multifarious different, but its inner pellet shot from a slingshot construction of switch is identical: promptly generally be divided into two layers, one deck is a lock housing, and one deck is a lock core, adorn a spring in the pellet shot from a slingshot hole, two pellets shot from a slingshot (lock housing pellet shot from a slingshot and lock core marble), the contact surface between lock housing and the lock core is a release line, the pellet shot from a slingshot head between two pellets shot from a slingshot is an opening point, when opening point is equal with release line, promptly be " opening ".Need not be key operated, when being technical opening, in case insert rotational lock core, the pellet shot from a slingshot hole off normal will occur and form a small stair on release line, the pellet shot from a slingshot that is pushed is easy to rest on the small stair, therefore (just resting on the release line) is in " opening ", causes the unlatching and do not have anti-theft feature easily of this lock.

With getting more another kind " the young lock of sheet " though various in style, but the young construction of switch of its inner sheet also is identical, promptly generally be divided into two layers, one deck lock housing, one deck lock core is adorned a spring in the young groove of sheet, a sheet son, contact surface between lock housing and the lock core is a release line, and the young head of sheet is an opening point, is opening when the young head of sheet is equal with release line.The young head of sheet inserted in the lock slots of lock housing when tapered end was closed.During technical opening, use the insert rotational lock core, the notch on release line can form a small stair, and the sheet that is struck is easy to be laid on the small stair, and it is on the release line, forms opening, therefore causes the unlatching and do not have anti-theft feature easily of this lock.

The above-mentioned mechanical lock of opening with key, the key that is adopted all will be in accordance with regulations direction insert, make key edge teeth prop up the top pellet shot from a slingshot or the sheet son can open, when the key direction of insertion is opposite, then do not drive lock, thereby use very inconvenience.

Summary of the invention

The purpose of this utility model is to provide a kind of does not have corresponding key just can not unblank, and theftproof is good, and slotting key is regardless of direction, inserts and just can unblank, easy to use, the mechanical anti-theft lock of applied range.

The scheme that the utility model purpose realizes is: the antitheft sylinder that is provided is by lock housing, lock core, locking plate and pellet shot from a slingshot constitute, it is characterized in that laterally having several locking plate grooves at lock core, it is folded mutually that two front and back are housed in each locking plate groove, opening direction is opposite each other, the locking plate of two shared locking plate springs, there is rectangular hole the centre of every locking plate, the long limit in hole has a small lugs arbitrarily on one side, when this small lugs is identical in each locking plate keyhole position, the V-notch position of each piece locking plate then just changes according to the spoon tooth, every locking plate has V-notch corresponding to lock core marble groove longitudinally, lock housing has the lock housing lock slots corresponding to lock core marble groove place, puts into lock core marble in the lock core marble groove.When shutting, two locking plates because of V-notch all not the subtend lock core marble push up and compel lock core marble its convex protrusion position is stretched in the lock housing lock slots, make this lock have the complex function of pellet shot from a slingshot switch and locking plate switch simultaneously.

The matched key of the new shape lock of this practicality be adopt two-sided in dental structure, it is the same promptly to have a shape at two wide faces of flat spoon body, the edge is the groove of irregular wave shape, spoon tooth in constituting.Because the spoon tooth on this spoon two sides is the same, do not divide otherwise just have, thus just needn't the branch direction when unblanking, arbitrarily just insert and can open, very convenient.

When the utility model uses, insert key, the interior spoon tooth of key directly drives locking plate by promoting the small lugs in the locking plate hole, make all locking plate V-notchs all align lock core marble, at this moment, under the effect of pellet shot from a slingshot spring, lock core marble falls in the V-notch automatically and makes its boss withdraw from the lock housing lock slots, maintain an equal level with lock housing, lock core release line, as long as the twisting key gets final product rotational lock core, lock is opened; Extract key, every two overlapping locking plates flick to both sides under the effect of locking plate spring, make V-notch depart from lock core marble, and the urgent lock core marble in locking plate top moves up simultaneously, and the boss of lock core marble is inserted in the lock housing lock slots.

The theftproof lock of the utility model structure, owing to adopt combination switch, and constitute by two locking plates, defense technique unlatching effectively, this key of configuration is not just opened, even MASTERKRY, advanced unlocking tools such as " Unlocking guns ", also can't open, theftproof performance is fine, is specially adapted to some important departments such as safety cabinet, security door, anti-theft lock for motored vehicle etc.And owing to adopted two-sided interior clavis spoon structure, very easy to use.

Description of drawings

Fig. 1 is the cross-sectional view of an embodiment of the utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the cross-sectional view of second embodiment of the utility model.

Fig. 4 is the cross-sectional view of the 3rd embodiment of the utility model.

Fig. 5 is the cross-sectional view of the 4th embodiment of the utility model.

Fig. 6 is the A-A sectional view of Fig. 5.

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

Fig. 8 is the structural representation of the utility model key.

Figure 10 is the A-A sectional view of Fig. 9.

The specific embodiment

Fig. 1-2 illustrated embodiment theftproof lock, have lock core marble groove 6 and lock housing lock slots 5 at lock core 7 and lock housing 4 vertical correspondences respectively, the one sheet lock core marble 1 that has a recessed groove 13 is housed in the lock core marble groove 6, in recessed groove 13, puts into pellet shot from a slingshot spring 2 backs and along lock core 7 places shutoff recessed groove 13 pellet shot from a slingshot spring 2 is fixed with pellet shot from a slingshot spring lid 3.Lock core 7 laterally has five locking plate grooves 12, it is folded mutually that two front and back are housed in each locking plate groove 12, opening direction is opposite each other, and leave the locking plate 11 and the locking plate 9 of mobile space, the shared locking plate spring 10 in drift angle place below two locking plates, every locking plate corresponding to lock core marble groove 6 one to above have " V " v notch v 8, the centre of locking plate has a rectangle keyhole 22, keyhole 22 long one side locking plates have small lugs 14, when this small lugs 14 was identical in each locking plate keyhole 22 position, V-notch 8 positions of each piece locking plate then changed according to spoon tooth 21 height.

When no key inserts, overlapping

locking plate

11 and 9 moves to both sides under the effect of locking plate spring 10, V-notch 8 on it departs from lock core marble groove 6, and this moment,

locking plate

11,9 top lock core marbles 1 moved up, and lock core marble 1 projection is partly inserted in the lock housing lock slots 5.When inserting key 20 from keyhole 22, after the small lugs 14 of key 20 wavy interior spoon teeth 21 and symmetry coincide, two

locking plates

11,9 move to the center, make V-notch 8 overlapping and align lock core marble groove 6, under the effect of pellet shot from a slingshot spring 2, lock core marble 1 falls in the breach 8 automatically, and the projection of its upper end partly also withdraws from lock housing, and decide groove 5 fair with release line, at this moment, as long as getting final product rotational lock core, the twisting key partly unblanks.

The difference of first theftproof lock is as follows shown in second embodiment theftproof lock shown in Figure 3 and Fig. 1-2: lock core marble 1 has two recessed grooves 13, respectively adorns a pellet shot from a slingshot spring 2 in each recessed groove 13.

The difference of the 4th embodiment theftproof lock shown in Fig. 5-6 and the foregoing description theftproof lock is as follows: lock core marble 1 does not have recessed groove B, there are not pellet shot from a slingshot spring 2 and spring cup 3, and have 5 lock housing pellet shot from a slingshot Kong youngsters corresponding to the position of lock core marble 1 in lock housing 4, a lock housing pellet shot from a slingshot 15 and spring 17 are housed in each pellet shot from a slingshot 16.

The difference of the 5th embodiment theftproof lock shown in Figure 7 and the foregoing description theftproof lock is: change 5 lock housing pellet shot from a slingshot holes 16 of the 4th embodiment theftproof lock into pellet shot from a slingshot

elongated slot

18,5 lock housing pellets shot from a slingshot and change a sheet pellet shot from a slingshot 19 into.

Principle and process that the utility model defense technique shown in Figure 8 is opened are: when technical opening rotational lock core 7, the lock core marble 1 that is in closed condition will be clamped as shown in Figure 5, leave how to stir locking plate this moment, can not change the closed condition of lock core marble 1, also not open even if the locking plate V-notch aligns pellet shot from a slingshot 1.During twist lock core 7, off normal does not appear in lock slots 5, and lock core marble 1 is not clamped, can activity freely, though stir locking plate pellet shot from a slingshot is moved, it is parked in forms opening on the release line, so core 7 can't not opened more.

Be to be matched in the key that the utility model antitheft sylinder is used shown in Fig. 9-10.Two planes at flat spoon body 20 have the groove that the same edge of shape is irregular wave shape, spoon tooth 21 in constituting.When 22 pairs of the keyholes that key 20 any one sides is inserted the utility model antitheft sylinder, spoon tooth 21 is all identical with the locking plate small lugs 14 of symmetry in the irregular wave shape of recess edge, and lock is opened.

Claims

1. antitheft sylinder, by lock housing (4), lock core (7) and pellet shot from a slingshot constitute, it is folded mutually to it is characterized in that being equipped with in lock core (7) laterally has locking plate groove (12) two front and back, by locking plate spring (10) but control move left and right locking plate (11) and locking plate (9), rectangle keyhole (22) is arranged in the middle of the locking plate, the long limit of keyhole (22) has small lugs (14) arbitrarily on one side, when this small lugs (14) at each locking plate keyhole (22) when the position is identical, the V-notch of each locking plate (8) position then changes according to spoon tooth (21) height, every locking plate has V-notch (8) corresponding to lock core marble groove (6) longitudinally, lock housing (4) locates to have lock housing lock slots (5) corresponding to lock core marble groove (6), is placed with lock core marble (1) in the lock core marble groove (6).

2. according to the described antitheft sylinder of claim 1, it is characterized in that in lock core marble groove (6), being placed with concavo-convex sheet lock core marble (1), its bossing stretches in the lock housing lock slots (5), the pellet shot from a slingshot spring lid (3) that the recessed groove (13) of lock core marble (1) is equipped with pellet shot from a slingshot spring (2) and seals.

3. according to claim 1 or 2 described antitheft sylinders, it is characterized in that (13) 1 or 2 of recessed grooves are opened respectively to have a recessed groove (13) in the centre of lock core marble (1) or at two of lock core marble (1) and form convex.

4. according to the described antitheft sylinder of claim 1, it is characterized in that having 1～7 lock housing pellet shot from a slingshot hole (16) corresponding to the position of lock core marble (1) in lock housing (4), a lock housing pellet shot from a slingshot (15) and spring (17) are housed in each pellet shot from a slingshot hole (16).

5. according to the described antitheft sylinder of claim 1, it is characterized in that having pellet shot from a slingshot elongated slot (18) corresponding to the position of lock core marble (1) in lock housing (4), a sheet pellet shot from a slingshot (19) is housed in the bullet groove (18).

6. one kind is matched in the key that the described antitheft sylinder of claim 1 uses, and it is the same to it is characterized in that having on the two sides of flat spoon body (20) shape, and the edge is the groove of irregular wave shape, spoon tooth (21) in constituting.