CN203626412U

CN203626412U - Anti-theft lock

Info

Publication number: CN203626412U
Application number: CN201320751510.3U
Authority: CN
Inventors: 刘贵平
Original assignee: JIAXING XURUI TRADING Co Ltd
Current assignee: JIAXING XURUI TRADING Co Ltd
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2014-06-04
Anticipated expiration: 2023-11-25

Abstract

The utility model provides an anti-theft lock. The anti-theft lock comprises a main lock body and an auxiliary lock body, wherein the main lock body and the auxiliary lock body are connected together through a connecting steel bar, a third lock cylinder is installed in the auxiliary lock body, a second lock cylinder is installed in the main lock body, a first lock cylinder is installed in one end of the second lock cylinder, a second locking groove and a first locking groove are formed in the second lock cylinder and the position, corresponding to the position of the second locking groove, of the first lock cylinder respectively, a locking pin and a linkage part are installed in the first locking groove, a keyhole is formed in the end face of the first lock cylinder, spring bolt grooves are formed in the circumferential surface of the first lock cylinder, spring bolts are installed in each spring bolt groove, and can press the locking pin in an abutting mode, a stirring wheel shaft and a stirring wheel core are installed in the other end of the second lock cylinder, a stirring wheel is installed on the stirring wheel core, a clamping groove which is connected with the stirring wheel core in a matched mode is formed in the circumferential surface of the other end of the second lock cylinder, and the second lock cylinder is connected with the third lock cylinder through the stirring wheel core. The anti-theft lock is simple in structure, high in anti-theft performance, long in service life, economical and practical.

Description

A kind of theftproof lock

Technical field

The utility model relates to lock technology field, refers to especially a kind of theftproof lock.

Background technology

Mechanical cylinder lock is people's the most widely used a kind of theftproof locks always.Traditional cylinder lock is due to simple in structure, and theftproof performance is the non-constant of performance of anti-technical opening particularly.In order to improve the theftproof performance of lockset, increase the difficulty of technical opening, prior art discloses a kind of safe-guard door lock, comprises the lock core of lock body, lock body inside, the key corresponding with keyhole; Described lock core is divided into main lock core and auxiliary lock core, be installed on respectively in master lock body and auxiliary lock body, described master lock body and auxiliary lock body are cast into integral structure in centre, master lock body is provided with the breach of card and spring turnover, master lock core body is provided with spring groove and card slot, and five groups of double card sheets and corresponding five groups of springs are installed respectively in card slot and spring groove; In being connected with between described main lock core and auxiliary lock core, establish thumb wheel core and thumb wheel, thumb wheel in-core is established thumb wheel axle.

Although this class theftproof lock theftproof has increased,, still there are some defects: in the time running into mandatory unblanking, there will be 2 kinds of situations: 1, key switch out, in lock core, causes and cannot unblank, need to look for professional to pull down lockset, take out the key in lock core, then reinstall; 2, lock core is subject to powerfully and cracked, causes door to open, the lockset that need to look for professional more to renew.Also have in the time running into poly-talented unblanking, professional unlocking person is pushing the pellet in lock core in locked groove, there will be one " poh " ticktack and feel, easily blocks of pellet is pushed in locked groove, lock is opened.In addition, existing key of anti-theft lock is lost, and does not have another key to copy, and this theftproof lock is just useless so, the theftproof lock that can only more renew.

Utility model content

The technical barrier proposing for prior art, the utility model proposes a kind of theftproof lock, its in the time running into mandatory unblanking, its lock core rotation, cause key can switch out or lock core cracked; Pellet in its lock core is pushing in locked groove, there will not be one " poh " ticktack and feel, be difficult for unblanking, theftproof is strong; Key, after loss, can be made key according to the pellet group in its lock core, without the lockset more renewing, simple and convenient.

The technical solution of the utility model is achieved in that a kind of theftproof lock, comprise master lock body and auxiliary lock body, described master lock body links together by being connected steel bar with auxiliary lock body, lock core three is installed in described auxiliary lock body, in described master lock body, lock core two is installed, lock core one is installed in one end of described lock core two, and described lock core two offers respectively lock groove two and lock groove one with lock core one on same position; In described lock groove one, lock pin and STATEMENT OF FEDERALLY SPONSORED are installed, on the end face of described lock core one, offer keyhole, on its periphery, offer bullet groove, in described bullet groove, be provided with and can push up the pellet of pressing lock pin; Thumb wheel axle and thumb wheel core are installed in the other end of described lock core two, on described thumb wheel core, thumb wheel are installed; On the periphery of described lock core two other ends, offer the draw-in groove being connected with thumb wheel core; Described lock core two is connected with lock core three by thumb wheel core.

The utility model tool is opened lock needs coordinating of lock core and lock core, such as lock core one and lock core two these groups, has lock groove one on lock core one, and lock pin and STATEMENT OF FEDERALLY SPONSORED are installed in lock groove one; Lock core two has lock groove two, and key inserts in lock core one, compresses pellet group, makes pellet group upwards jack-up of lock pin, and lock pin pushes up STATEMENT OF FEDERALLY SPONSORED as between lock groove one and lock groove two, and lock core one is with movable lock core two rotations, and lock core two drives thumb wheel to unblank.

Further preferably, described lock core three comprises auxiliary lock core three and main lock core three, and described main lock core three is installed in one end of auxiliary lock core three; Described main lock core three offers respectively main lock groove three and secondary lock groove three with auxiliary lock core three on same position; In described main lock groove three, lock pin and STATEMENT OF FEDERALLY SPONSORED are installed, on the end face of described main lock core three, offer keyhole, on its periphery, offer bullet groove, in described bullet groove, be provided with and can push up the pellet of pressing lock pin.

Further preferably, on the periphery of the other end of described auxiliary lock core three, offer the draw-in groove three being connected with thumb wheel core.

Further preferably, on described connection steel bar, offer respectively the installing hole that steel ball, spring are installed and the fixing hole that steady pin is installed, and installing hole and fixing hole penetrate in major and minor lock body; The collar extension place of described installing hole and fixing hole is all bolted with sealing screw; Described steel ball is used for pushing up pressure STATEMENT OF FEDERALLY SPONSORED, and described steady pin is for fixed lock core two.

Further preferably, on described auxiliary lock core three and lock core two, be separately installed with and place restrictions on auxiliary lock core three and the axially movable jump ring of lock core two.

Further preferably, described bullet groove includes five groups, and a pair of pellet is installed in every group of bullet groove, and described every pair of pellet is oppositely arranged and is provided with back-moving spring between the two.

Further preferably, described STATEMENT OF FEDERALLY SPONSORED is a bonding jumper.

Compared with prior art, the beneficial effect that the utility model possesses:

The utlity model has 4 lock cores, opening lock needs coordinating of lock core and lock core, such as lock core one and lock core two these groups, has lock groove one on lock core one, and lock pin and STATEMENT OF FEDERALLY SPONSORED are installed in lock groove one; Lock core two has lock groove two, and key inserts in lock core one, compresses pellet group, makes pellet group upwards jack-up of lock pin, and lock pin pushes up STATEMENT OF FEDERALLY SPONSORED as between lock groove one and lock groove two, and lock core one is with movable lock core two rotations, and lock core two drives thumb wheel to unblank; And wrong key is forcing to insert in lock core, can not compress pellet group and make upwards jack-up of its lock pin, can not form the interlock of lock core and lock core; The key of mistake only can drive a lock core rotation, has like this 2 benefits: 1, key can switch out in lock core; 2, lock core is subject to powerful and cracked; Improve its application life.Can also have the utility model correctly open, be to depend on the stressed compression of pellet group jack-up lock pin, and STATEMENT OF FEDERALLY SPONSORED is pushed up as between lock groove one and lock groove two; Therefore, in the time running into poly-talented unblanking, professional unlocking person, in the time stirring pellet, is to find pellet to push the feel of tram, and its theftproof improves greatly.

Can the utility model correctly be opened in addition, is to depend on whether pellet group and teeth groove on the key coincide; The teeth groove that pellet group is combined to form is quite a password, user is losing after key, only the numbering of this lock need be offered to manufacturer or store, the teeth groove mould that manufacturer or store can find the pellet group of placing on record according to the numbering of lock is joined a new key, without again more renewing lock, simple and convenient economy; Should be widely promoted.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is structural representation of the present invention;

Fig. 2 is the structural representation that the present invention connects steel bar;

Fig. 3 is overall structure schematic diagram of the present invention;

Fig. 4 is right TV structure schematic diagram of the present invention.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1, a kind of theftproof lock, comprises master lock body 1 and auxiliary lock body 2.Master lock body 1 is to link together by being connected steel bar 3 with auxiliary lock body 2.Lock core 24 is arranged in master lock body 1, fixing with jump ring 30.Lock core 1 is installed in one end of lock core 24, on the same position of lock core 24 and lock core 1, offers respectively lock groove 26 and lock groove 1; Lock pin 8 and STATEMENT OF FEDERALLY SPONSORED 9 are installed in lock groove 1.On the end face of lock core 1, offer keyhole 10, on its periphery, offer bullet groove 11, bullet groove 11 has five groups, is provided with and can pushes up a pair of pellet 12 of pressing lock pin 8 in every group of bullet groove 11, and every pair of pellet 12 is oppositely arranged and is provided with back-moving spring 13 between the two.Thumb wheel axle 14 and thumb wheel core 15 are installed in the other end of lock core 24, thumb wheel 16 is installed on thumb wheel core 15.On the periphery of lock core 24 other ends, offer the draw-in groove 17 being connected with thumb wheel core 15, lock core 24 is connected with lock core 3 18 by thumb wheel core 15.

Wherein, lock core 3 18 is arranged in auxiliary lock body 2, and lock core 3 18 comprises auxiliary lock core 3 19 and main lock core 3 20.Main lock core 3 20 is installed in one end of auxiliary lock core 3 19.Main lock core 3 20 offers respectively main lock groove 3 21 and secondary lock groove 3 22 with auxiliary lock core 3 19 on same position.Lock pin 8 and STATEMENT OF FEDERALLY SPONSORED 9 are also installed in main lock groove 3 21, on the end face of main lock core 3 20, offer keyhole 10, on its periphery, also offer bullet groove 11, bullet groove 11 has five groups, in every group of bullet groove 11, be provided with and can push up a pair of pellet 12 of pressing lock pin 8, every pair of pellet 12 is oppositely arranged and is provided with back-moving spring 13 between the two.On the periphery of the other end of auxiliary lock core 3 19, offer the draw-in groove 3 23 being connected with thumb wheel core 15.Draw-in groove 17 is with draw-in groove 3 23 on same center line, and shape, size are all consistent.On auxiliary lock core 3 19, be provided with and place restrictions on its axially movable jump ring 30.

Wherein, connect on steel bar 3 and offer respectively the installing hole 26 of steel ball 24, spring 25 and the fixing hole 28 of installation steady pin 27 are installed, and installing hole 26 penetrates in major and minor lock body with fixing hole 28.On master lock body 1, there is 26 and 1 fixing hole 28 of 4 installing holes; On auxiliary lock body 2, there are 2 installing holes 26.Installing hole 26 is all bolted with sealing screw 29 with the collar extension place of fixing hole 28, for preventing that steel ball 24, spring 25, steady pin 27 from pouring out in hole.STATEMENT OF FEDERALLY SPONSORED 9 may be run out of position, is pressing it with steel ball 24 top, makes it all the time in effective position, forms effectively interlock.Steady pin 27 coordinates with the holddown groove on lock core 24, for fixed lock core 24.

Wherein, STATEMENT OF FEDERALLY SPONSORED 9 is bonding jumpers.

When correct key inserts lock core 1, every pair of pellet 12 can be according to the profile of tooth automatic telescopic of key, pellet group can form a projection, lock pin 8 and upwards jack-up of STATEMENT OF FEDERALLY SPONSORED 9, and at this moment, STATEMENT OF FEDERALLY SPONSORED 9 is subject to the downward pressure of steel ball 24, makes STATEMENT OF FEDERALLY SPONSORED 9 all the time in lock groove, forms the interlock of effective lock core and lock core; Key presses the transfer part, one end of thumb wheel core 15(thumb wheel cores 15 in the draw-in groove of lock core by thumb wheel axle 14 top, other end transfer part with thumb wheel 16 in rotational area), last lock core drives thumb wheel 16 to rotate by thumb wheel core 15, reaches the object of unblanking.In door when unblanking outdoors principle of uniformity.

The high low dimensional of the profile of tooth of the blade marble of this lock core and breach and lock core marble can be changed arbitrarily by different modes permutation and combination, is quite a password.This password can play and unblank, the effect of bitting, in the time that lock core uses, can also change password, heavily changes shaped as key bit, and original key was lost efficacy.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a theftproof lock, comprise master lock body and auxiliary lock body, described master lock body links together by being connected steel bar with auxiliary lock body, it is characterized in that, lock core three is installed in described auxiliary lock body, in described master lock body, lock core two is installed, lock core one is installed in one end of described lock core two, described lock core two offers respectively lock groove two and lock groove one with lock core one on same position; In described lock groove one, lock pin and STATEMENT OF FEDERALLY SPONSORED are installed, on the end face of described lock core one, offer keyhole, on its periphery, offer bullet groove, in described bullet groove, be provided with and can push up the pellet of pressing lock pin; Thumb wheel axle and thumb wheel core are installed in the other end of described lock core two, on described thumb wheel core, thumb wheel are installed; On the periphery of described lock core two other ends, offer the draw-in groove being connected with thumb wheel core; Described lock core two is connected with lock core three by thumb wheel core.

2. a kind of theftproof lock according to claim 1, is characterized in that, described lock core three comprises auxiliary lock core three and main lock core three, and described main lock core three is installed in one end of auxiliary lock core three; Described main lock core three offers respectively main lock groove three and secondary lock groove three with auxiliary lock core three on same position; In described main lock groove three, lock pin and STATEMENT OF FEDERALLY SPONSORED are installed, on the end face of described main lock core three, offer keyhole, on its periphery, offer bullet groove, in described bullet groove, be provided with and can push up the pellet of pressing lock pin.

3. a kind of theftproof lock according to claim 2, is characterized in that, offers the draw-in groove three being connected with thumb wheel core on the periphery of the other end of described auxiliary lock core three.

4. a kind of theftproof lock according to claim 1, is characterized in that, offers respectively the installing hole that steel ball, spring are installed and the fixing hole that steady pin is installed on described connection steel bar, and installing hole and fixing hole penetrate in major and minor lock body; The collar extension place of described installing hole and fixing hole is all bolted with sealing screw; Described steel ball is used for pushing up pressure STATEMENT OF FEDERALLY SPONSORED, and described steady pin is for fixed lock core two.

5. according to a kind of theftproof lock described in claim 2 or 4, it is characterized in that, on described auxiliary lock core three and lock core two, be separately installed with and place restrictions on auxiliary lock core three and the circumferential mobile jump ring of lock core two.

6. a kind of theftproof lock according to claim 1 and 2, is characterized in that, described bullet groove includes five groups, and a pair of pellet is installed in every group of bullet groove, and described every pair of pellet is oppositely arranged and is provided with back-moving spring between the two.

7. a kind of theftproof lock according to claim 1 and 2, is characterized in that, described STATEMENT OF FEDERALLY SPONSORED is a bonding jumper.