CN104100136A - Mechanical burglarproof lock and matched keys thereof - Google Patents

Mechanical burglarproof lock and matched keys thereof Download PDF

Info

Publication number
CN104100136A
CN104100136A CN201410353935.8A CN201410353935A CN104100136A CN 104100136 A CN104100136 A CN 104100136A CN 201410353935 A CN201410353935 A CN 201410353935A CN 104100136 A CN104100136 A CN 104100136A
Authority
CN
China
Prior art keywords
lock
lock core
key
disk
connecting rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410353935.8A
Other languages
Chinese (zh)
Other versions
CN104100136B (en
Inventor
唐孝可
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201410353935.8A priority Critical patent/CN104100136B/en
Publication of CN104100136A publication Critical patent/CN104100136A/en
Application granted granted Critical
Publication of CN104100136B publication Critical patent/CN104100136B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lock And Its Accessories (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The invention discloses a mechanical burglarproof lock and matched keys thereof. The mechanical burglarproof lock mainly comprises a main cylinder and an auxiliary cylinder, wherein the main cylinder is nested into a lock body and is longer than the same, the auxiliary cylinder sleeves the tail end of the lock body, a disc sleeves the tail end of the main cylinder, spring balls and springs connected with the spring balls are arranged between the disc and the auxiliary cylinder, the disc below the spring balls is provided with limit holes, and a lever is arranged on the disc and is connected with a connecting rod connected with a lock bolt. Via mutually perpendicular cylinders, only keys mutually perpendicular are capable of unlocking the lock, so that master keys or tinfoil are unable to unlock. The mutually perpendicular matched keys matched with the lock rotate the cylinders respectively to unlock, and during use, not only the keys need to bend by 90 degrees, but the spring balls jack up to certain positions and rotate, so the keys are hard to copy, and burglarproof performance of the lock is effectively improved.

Description

A kind of mechanical anti-theft lock and the key matching with it
Technical field
The key that the present invention relates to a kind of mechanical anti-theft lock and match with it.
Background technology
Existing cylinder lock is to use the cylindrical component of a plurality of differing heights to pin lock core, and when putting into correct key, each snap is pushed to identical height, and lock core is just decontroled, thereby can open.And because existing cylinder lock security performance is lower, key can arbitrarily be prepared, therefore can find on the market the people of bitting everywhere, adopt the key mould of cylinder lock, set up tinfoil and just can in ten seconds, easily open the door, do not set up defences only not.
Summary of the invention
The key that the object of the present invention is to provide a kind of mechanical anti-theft lock and match with it, can overcome above-mentioned defect, adopt the design of main lock core and two lock cores of auxiliary lock core, in the process of unblanking, by two mutually perpendicular master keys and secondary key, use simultaneously, can improve the theftproof performance of lock.
The present invention is achieved through the following technical solutions:
A kind of mechanical anti-theft lock, mainly by being embedded in the auxiliary lock core that lock body interior and length is greater than the main lock core of lock main body and is sleeved on lock main body end, form, in described main lock core end outer cover, disk is housed, the spring that is provided with hoodle and is connected with hoodle between described disk and auxiliary lock core, on disk below described hoodle, be provided with spacing hole, on described disk, be provided with dead man, described dead man is connected with the connecting rod being connected on dead bolt.In use procedure, only have by the hoodle on while jack-up main lock core and the hoodle on disk and just can make disk rotate to certain position, and then realize and unblanking.
Further, for realizing better the present invention, be provided with dead man loose slot on described connecting rod, described dead man can slide in dead man loose slot.By dead man loose slot is set, dead man is slided in loose slot, can be for connecting rod provides a stable event trace when indoor unblanking, simultaneously also can be when unblanking dead man rotate a cushion space be provided, prevent from unblanking suddenly to cause connecting rod or dead man fracture, impact is used.
Further, for realizing better the present invention, described connecting rod is connected and is formed connecting rod joint portion by rivet with dead bolt.By rivet, connect and can make connecting rod and dead bolt realize to be rotationally connected, and then while making the motion of dead man drivening rod, can effectively drive dead bolt motion.
Further, for realizing better the present invention, between described dead bolt and connecting rod joint portion, be connected with back-moving spring.Rotary disk when unblanking, disk drivening rod, back-moving spring is under the effect of external force simultaneously, and compressive strain, has not had power when ending on lock key, and back-moving spring just recovers original form, drives disk to reset together simultaneously.
Further, for realizing better the present invention, on described disk, be provided with spacer pin.By arranging when spacer pin can make disk rotate, keep rotating within the specific limits.
Further, for realizing better the present invention, on described main lock core, be provided with main lock core keyway, on described disk, be provided with the key matching with main lock core keyway.By main lock core keyway is set, the key on disk is embedded in main lock core keyway, can make disk more firm with mating of main lock core, avoid relative sliding, in the time of also can making to unblank, the motion of main lock core and disk can keep synchronously, conveniently unblanking simultaneously.In described lock main body, be provided with lock main body keyway, on described auxiliary lock core, be provided with and the key of locking main body keyway and matching.By lock main body keyway is set, the key on auxiliary lock core can be embedded in lock main body keyway, thereby can make auxiliary lock core better be fixed in lock main body, prevent the use that it occurs relative sliding impact lock.
Further, for realizing better the present invention, also comprise nut, it is outside near auxiliary lock core one end that described nut sleeve is contained in lock main body, described nut is fixedly connected with auxiliary lock core, at described disk, away from auxiliary lock core one side, is provided with jump ring, and described jump ring is sleeved on main lock core.By adopting nut that lock main body and main lock core are fixed up, because auxiliary lock core mates by keyway with locking between main body, make connection more firm simultaneously.By jump ring is set, can prevent that disk from retreating.
Further, for realizing better the present invention, described disk is also connected with transition disk by connecting rod, and described transition disk is connected with a plurality of dead bolts by connecting rod, forms Tiandi lock.On two doors of opening, by being set to Tiandi lock, can be widely used in the door lock of the emergency access such as escape way, passageway for fire apparatus, labeled door of hospital, school etc., can effectively control visitors flowrate, guarantee within the shortest time for allowing more people arrive safest place, meanwhile, there is higher theftproof performance.
The present invention has designed a kind of and phase-locked key mating on a kind of basis of mechanical anti-theft lock, comprise master key and secondary key, described master key and main lock core match and length is greater than main lock core, and secondary key one end and master key end are hinged, described secondary key is provided with the straight pin with spacing hole matched in clearance away from master key one end.
Further, for realizing better the present invention, described master key end is provided with groove, and described secondary key is hinged in this groove.In use procedure, secondary key and master key hinge point all match with disk up and down, thereby the hoodle realization ejecting in disk is unblanked.On disk, on same straight line, be provided with hoodle, secondary key is being after 90 ° and is needing the equal jack-up of the hoodle on lower disc on it can be realized and being unblanked simultaneously with master key, and setting can strengthen the complexity of structure like this, thereby prevents from copying raising theftproof performance.
In manufacturing process, disk is mated with main lock core interference, auxiliary lock core mates with the interference of lock main body.Disk one end is lock the inner, when needs are unblanked, hold up straight cutting to enter main lock core master key and secondary key, shift the end onto, secondary key is automatically sagging under Action of Gravity Field, now by key toward pulling back a bit, screw key slowly, secondary straight pin is on the key inserted in the spacing hole on disk, and by the hoodle in master key jack-up main lock core, secondary key is by the hoodle jack-up on disk, continue screw key, disk will rotate, and the dead man on disk is stirred connecting rod, and then lock can be opened by the motion of connecting rod promotion dead bolt.After opening lock, only have from the inside secondary key with hand steered straight key could taking-up.Owing to adopting main lock core and auxiliary lock core two parts, make to lock safer, when opening, only have adopt master key and secondary key two parts mate simultaneously and mutually coupling just can open lock, be so just difficult to adopt existing master key or tinfoil to open, make the theftproof performance locked better.Described master key is connected by rivet with secondary key.Adopt rivet to connect and can make master key be connected with secondary key turns, connect fasteningly simultaneously, being not easy to occur the loss that ruptures.
The present invention compared with prior art, there is following beneficial effect: the present invention adopts orthogonal two lock cores, when unblanking, must adopt two can open by orthogonal key, thereby just can not adopt existing master key or tinfoil to open, the theftproof performance of lock is effectively improved, simultaneously, the present invention be equipped with phase-locked mate can rotate respectively two lock cores by orthogonal two keys, and then open lock, in use both needed to make two keys to be mutually 90 °, to organize again hoodle jack-up to certain position rotation more simultaneously, key is difficult to copy, can effectively improve the theftproof performance of lock, applied widely.
Accompanying drawing explanation
Fig. 1 is lock overall structure sectional view;
Fig. 2 is lock main body front view;
Fig. 3 is that Fig. 2 A-A is to sectional view;
Fig. 4 is Fig. 2 left view;
Fig. 5 is auxiliary lock core front view;
Fig. 6 is main lock core front view;
Fig. 7 is Fig. 6 left view;
Fig. 8 is disk and auxiliary lock core joint portion schematic diagram;
Fig. 9 is that secondary key and disk position are related to schematic diagram;
Figure 10 is disk and dead bolt annexation schematic diagram;
Figure 11 is master key top view;
Figure 12 is master key and secondary key connection diagram;
Figure 13 is Tiandi lock structural transition disk and dead bolt connection diagram.
Wherein: 101-lock main body; 102-main lock core; 103-disk; 104-auxiliary lock core; 105-nut; 106-hoodle; 107-lock main body keyway; 108-main lock core keyway; 109-dead man; 110-spacer pin; 111-spacing hole; 112-master key; 113-secondary key; 114-straight pin; 115-dead man loose slot; 116-connecting rod; 117-rivet; 118-connecting rod joint portion; 119-dead bolt; 120-back-moving spring; 121-jump ring; 122-ball race; 123-transition disk.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Fig. 1-8, a kind of mechanical anti-theft lock, mainly by being embedded in the auxiliary lock core 104 that lock main body 101 inside and length is greater than the main lock core 102 of lock main body 101 and is sleeved on lock main body 101 ends, form, in described main lock core 102 end outer cover, disk 103 is housed, the springs that are provided with many group hoodles 106 and are connected with hoodle 106 between described disk 103 and auxiliary lock core 104, at described disk 103, be provided with ball race 122 with auxiliary lock core 104 opposite positions, described hoodle 106 and spring are all positioned at ball race 122, on disk 103 below described hoodle 106, be provided with spacing hole 111, in order to drive dead bolt 119 motions to realize by rotary disk 103, unblank, on described disk 103, be provided with dead man 109, described dead man 109 is connected with the connecting rod 116 being connected on dead bolt 119.
Described main lock core 102 is identical with the lock core structure of existing cylinder lock, only having simultaneously just can make disk 103 rotate with the hoodle in key jack-up main lock core 102 and the hoodle 106 on disk 103, as shown in figure 10, hoodle 106 on hoodle in main lock core 102 and disk 103 is all during jack-up, rotate key, disk 103 drives dead man 109 to rotate, thereby promoting connecting rod 116 moves, and then can promote dead bolt 119 motion and realize and unblanking, the amplitude of rotating in order to limit disk 103 is provided with spacer pin 110 on described disk 103; In order to prevent that making disk 103 rotate impact relative to main lock core 102 for a long time uses, on described main lock core 102, be provided with main lock core keyway 108, on described disk 103, be provided with the key matching with main lock core keyway 108, in installation process, key on disk 103 is embedded to main lock core keyway 108, can realize the fixing of disk 103; In like manner, for fixed joint lock core 104 better, in described lock main body 101, be provided with lock main body keyway 107, on described auxiliary lock core 104, be provided with and the key of locking main body keyway 107 and matching, when mounted the key on auxiliary lock core 104 is embedded to lock main body keyway 107, can realize the fixing of auxiliary lock core 104, can prevent from making for a long time auxiliary lock core 104 to rotate impact relative to lock main body 101 and use; For auxiliary lock core 104 being fixed on better in lock main body 101, also comprise nut 105, it is outside near auxiliary lock core 104 one end that described nut 105 is sleeved on lock main body 101, described nut 105 is fixedly connected with auxiliary lock core 104, so just can on lock main body 101 cylindricals, play fixation, at described disk 103, away from auxiliary lock core 104 1 sides, be provided with jump ring 121, described jump ring 121 is sleeved on main lock core 102, by jump ring 121 fixed discs 103, prevent that disk 103 from retreating impact and using.
In order to realize better the present invention, for dead man 109 and connecting rod 116 provide the buffer area of a relative motion, on described connecting rod 116, be provided with dead man loose slot 115, described dead man 109 can be in the interior slip of dead man loose slot 115, by dead man loose slot 115, a buffer area can be provided for the motion of dead man 109, while preventing indoor unblanking, fracture occur and impact use in dead man 109 and connecting rod 116 motion processes; In order to make connecting rod 116 more firm with being connected of dead bolt 119, described connecting rod 116 is connected by rivet 117 with the connecting rod joint portion 118 between dead bolt 119, by adopting rivet 117, can make to relatively rotate between the connecting rod joint portion 118 between connecting rod 116 and dead bolt 119, meanwhile, can prevent that connecting rod 116 from use deforming; Between described dead bolt 119 and connecting rod joint portion 118, be connected with back-moving spring 120, rotary disk when unblanking, disk drivening rod, back-moving spring is under the effect of external force simultaneously, compressive strain, when ending on lock key, there is no power, back-moving spring just recovers original form, drives disk to reset together simultaneously.
In order further to improve the theftproof performance of lock, as shown in figure 13, the present invention's lock is set to Tiandi lock structure, and described disk 103 is also connected with transition disk 123 by connecting rod 116, and described transition disk 123 is connected with a plurality of dead bolts 119 by connecting rod 116.Because Tiandi lock has good theftproof performance, thief even cannot find the existence of Tiandi lock, is difficult to be pried open, and therefore, its theftproof performance is compared traditional lock construction very big lifting.
Embodiment 2:
As shown in Fig. 9 and Figure 11-12, a kind of and the phase-locked key mating, comprise master key 112 and secondary key 113, described master key 112 matches with main lock core 102 and length is greater than main lock core 102, hoodle on master key 112 jack-up main lock cores 102, described secondary key 113 matches with auxiliary lock core 104, secondary key 113 is for the hoodle 106 on jack-up disk 103, and secondary key 113 one end and master key 112 ends are hinged, key is being held up straight cutting enter after main lock core 102, be inserted into the end, now secondary key 113 is 90 ° with master key 112 under Action of Gravity Field, described secondary key 113 is provided with the straight pin 114 mating with spacing hole 111 gaps away from master key 112 one end, pull back master key 112, rotating master key 112 inserts in spacing hole 111 straight pin 114 on secondary key 113, when master key 112 during hoodle 106 jack-up on disk 103, rotates master key 112 by the hoodle jack-up on main lock core 102 and secondary key 113, can make disk 103 rotate, thereby realize, unblank.The drawback easily copying in order to overcome existing key, described master key 112 ends are provided with groove, and described secondary key 113 is hinged in this groove.In use procedure, secondary key 113 all matches with disk 103 up and down with master key 112 hinge point, thereby hoodle 106 realizations that eject in disk 103 are unblanked.On disk 103, on same straight line, be provided with hoodle 106, secondary key 113 is being after 90 ° and is needing the equal jack-up of the hoodle on lower disc on it 103 106 can be realized and being unblanked simultaneously with master key 112, setting can strengthen the complexity of structure like this, thereby prevents from copying raising theftproof performance.In order to overcome existing yi word pattern key, easily copy the drawback of easily unblanking, described main lock core 102 keyholes are cross lock shape, described master key 112 is cross key, described master key 112 can be connected by rivet with secondary key 113, can make master key 112 be connected with secondary key 113 more firm time and can relatively rotate in use, realization is unblanked.In order to prevent from pulling back master key 112, secondary key 113 is also followed master key 112 and is moved, and the weight of described secondary key 113 is greater than master key 112.Further, for realizing better the present invention, described master key is connected by rivet with secondary key.Adopt rivet to connect and can make master key be connected with secondary key turns, connect fasteningly simultaneously, being not easy to occur the loss that ruptures.
Using method of the present invention is as follows:
As shown in Fig. 1-12, in manufacturing process, disk 103 is mated with main lock core 102 interference, auxiliary lock core 104 mates with 101 interference of lock main body.Disk 103 one end are lock the inner, when needs are unblanked, hold up straight cutting to enter main lock core 102 master key 112 and secondary key 113, shift the end onto, secondary key 113 is automatically sagging under Action of Gravity Field, now by master key 112 toward pulling back a bit, screw key slowly, make in the spacing hole 111 on the straight pin 114 insertion disks 103 on secondary key 113, by the hoodle in master key 112 jack-up main lock cores 102, secondary key 113 is by 106 jack-up of the hoodle on disk 103, continue screw key, disk 103 will rotate, dead man 109 on disk 103 is stirred connecting rod 116, and then lock can be opened by connecting rod 116 promotion dead bolt 119 motions.After opening lock, only have from the inside by hand steered straight key could the taking-up of secondary key 113 use.Owing to adopting main lock core 102 and auxiliary lock core 104 two parts, make to lock safer, when opening, only have adopt master key 112 and secondary key 113 two parts mate simultaneously and mutually coupling just can open lock, be so just difficult to adopt existing master key or tinfoil to open, make the theftproof performance locked better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a mechanical anti-theft lock, it is characterized in that: mainly by being embedded in the auxiliary lock core that lock body interior and length is greater than the main lock core of lock main body and is sleeved on lock main body end, form, in described main lock core end outer cover, disk is housed, the spring that is provided with hoodle and is connected with hoodle between described disk and auxiliary lock core, on disk below described hoodle, be provided with spacing hole, on described disk, be provided with dead man, described dead man is connected with the connecting rod being connected on dead bolt.
2. a kind of mechanical anti-theft lock according to claim 1, is characterized in that: on described connecting rod, be provided with dead man loose slot, described dead man can slide in dead man loose slot.
3. a kind of mechanical anti-theft lock according to claim 1 and 2, is characterized in that: described connecting rod is connected and is formed connecting rod joint portion by rivet with dead bolt.
4. a kind of mechanical anti-theft lock according to claim 3, is characterized in that: between described dead bolt and connecting rod joint portion, be connected with back-moving spring.
5. a kind of mechanical anti-theft lock according to claim 1, is characterized in that: on described disk, be provided with spacer pin.
6. a kind of mechanical anti-theft lock according to claim 1, it is characterized in that: on described main lock core, be provided with main lock core keyway, on described disk, be provided with the key matching with main lock core keyway, in described lock main body, be provided with lock main body keyway, on described auxiliary lock core, be provided with and the key of locking main body keyway and matching.
7. a kind of mechanical anti-theft lock according to claim 1, it is characterized in that: also comprise nut, it is outside near auxiliary lock core one end that described nut sleeve is contained in lock main body, described nut is fixedly connected with auxiliary lock core, at described disk, away from auxiliary lock core one side, be provided with jump ring, described jump ring is sleeved on main lock core.
8. a kind of mechanical anti-theft lock according to claim 1, is characterized in that: described disk is also connected with transition disk by connecting rod, and described transition disk is connected with a plurality of dead bolts by connecting rod.
One kind with the phase-locked key mating, it is characterized in that: comprise master key and secondary key, described master key and main lock core match and length is greater than main lock core, and secondary key one end and master key end are hinged, described secondary key is provided with the straight pin with spacing hole matched in clearance away from master key one end, described master key end is provided with groove, and described secondary key is hinged in this groove.
10. a kind of and phase-locked key mating according to claim 9, is characterized in that: described master key end is provided with groove, and described secondary key is hinged in this groove.
CN201410353935.8A 2014-07-24 2014-07-24 A kind of mechanical anti-theft lock and the key matched with it Expired - Fee Related CN104100136B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410353935.8A CN104100136B (en) 2014-07-24 2014-07-24 A kind of mechanical anti-theft lock and the key matched with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410353935.8A CN104100136B (en) 2014-07-24 2014-07-24 A kind of mechanical anti-theft lock and the key matched with it

Publications (2)

Publication Number Publication Date
CN104100136A true CN104100136A (en) 2014-10-15
CN104100136B CN104100136B (en) 2016-06-15

Family

ID=51668647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410353935.8A Expired - Fee Related CN104100136B (en) 2014-07-24 2014-07-24 A kind of mechanical anti-theft lock and the key matched with it

Country Status (1)

Country Link
CN (1) CN104100136B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2224247Y (en) * 1995-07-04 1996-04-10 陈涛 Cylinder lock
CN101871280A (en) * 2010-05-11 2010-10-27 台山平安五金制品有限公司 Double-end mechanical lock
US8336348B2 (en) * 2006-05-26 2012-12-25 Compx International Inc. Key operated pin tumbler locks and methodology
CN102995971A (en) * 2012-12-02 2013-03-27 龚道宽 Lock incapable of being unlocked technically
US20140130556A1 (en) * 2012-11-14 2014-05-15 Pingjun Qi Two-keyed anti-destructive clutch lock core
CN203947879U (en) * 2014-07-24 2014-11-19 唐孝可 A kind of mechanical anti-theft lock and the key matching with it

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2224247Y (en) * 1995-07-04 1996-04-10 陈涛 Cylinder lock
US8336348B2 (en) * 2006-05-26 2012-12-25 Compx International Inc. Key operated pin tumbler locks and methodology
CN101871280A (en) * 2010-05-11 2010-10-27 台山平安五金制品有限公司 Double-end mechanical lock
US20140130556A1 (en) * 2012-11-14 2014-05-15 Pingjun Qi Two-keyed anti-destructive clutch lock core
CN102995971A (en) * 2012-12-02 2013-03-27 龚道宽 Lock incapable of being unlocked technically
CN203947879U (en) * 2014-07-24 2014-11-19 唐孝可 A kind of mechanical anti-theft lock and the key matching with it

Also Published As

Publication number Publication date
CN104100136B (en) 2016-06-15

Similar Documents

Publication Publication Date Title
CN201620668U (en) Safety file cabinet lock
CN108487787A (en) Lock core and lockset with it
CN203947879U (en) A kind of mechanical anti-theft lock and the key matching with it
CN105625825A (en) Mechanical type anti-theft lock
CN202467358U (en) Improved blade lock
CN104100136A (en) Mechanical burglarproof lock and matched keys thereof
CN205531790U (en) Mechanical type pickproof lock
CN205172186U (en) Two key locking mechanism
CN203296495U (en) Mechanical lockset
CN207048489U (en) A kind of safety box antitheft sylinder for preventing unlocking tool from entering onlocking zone
CN202073381U (en) Safety lock core
CN106939739A (en) A kind of safe lock of provided with electromagnetic valve
CN204960526U (en) Dual theftproof fingerprint lock
CN202832143U (en) Roller shutter door
CN106013995B (en) A kind of implementation method of the anti-theft lock system of anti-skilled unlocking
CN204960557U (en) Box -like back lock of manually -operated on
CN102381280B (en) Steering wheel lock for automobile
CN203755821U (en) Gate crossing type outer drive locking spring anti-theft lock and key thereof
CN204571530U (en) Coded lock
CN102434033A (en) Tapered ned unlocking and locking device
CN203795964U (en) Door handle with inner handle body, outer handle body and cam
CN202017403U (en) Blade lock
CN201246028Y (en) Ultra-B level inserting core anti-theft lock of hollow core top column key
CN103075048B (en) Detaching-type mechanical antitheft lock
CN201786101U (en) Spring lock

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160615

Termination date: 20170724