CN102535972B - Anti-theft lock tapered end with secondary locking structure - Google Patents
Anti-theft lock tapered end with secondary locking structure Download PDFInfo
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- CN102535972B CN102535972B CN201110396513.5A CN201110396513A CN102535972B CN 102535972 B CN102535972 B CN 102535972B CN 201110396513 A CN201110396513 A CN 201110396513A CN 102535972 B CN102535972 B CN 102535972B
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Abstract
The invention discloses an anti-theft lock tapered end with a secondary locking structure. The anti-theft lock tapered end with the secondary locking structure comprises a shell, a lock core, blades, unlocking keys and other parts, wherein a plurality of blades are arranged in the lock core in parallel and are vertical to an axis of the lock core, a main unlocking key and an auxiliary unlocking key are parallel to the axis of the lock core, the inner wall of the shell is respectively provided with a main channel and an auxiliary channel which are capable of accommodating the top parts of the main unlocking key and the auxiliary unlocking key, the width and the depth of the main channel in a radial direction of the lock core are respectively larger than those of the auxiliarychannel in the radial direction of the lock core, the height of the main unlocking key in the radial direction of the lock core is larger than that of the auxiliary unlocking key in the radial direction of the lock core, the edge of each blade is respectively provided with a main groove and an auxiliary groove which are capable of accommodating the root parts of the main unlocking key and the auxiliary unlocking key, one side or two sides of each auxiliary groove is/are provided with one or more than one restrict groove, and the root part of the auxiliary unlocking key can freely enter and exit the restrict grooves. When the anti-theft lock tapered end is locked, the lock core and the shell are connected through the main unlocking key and the auxiliary unlocking key; and when the anti-theft lock tapered end is normally unlocked, the auxiliary unlocking key and the main unlocking key are separated from the shell one after another in sequence and are respectively dropped in the auxiliary grooves and the main grooves of the same blades.
Description
Technical field
The present invention relates to a kind of Anti-theft lock head, more specifically to a kind of have two locking keies and two locking keies successively order fall into the Anti-theft lock head of corresponding keyway.
Background technology
Chinese utility model patent zl2006200640193 disclose a kind of hinge can 360 the theftproof lock that rotates freely of degree, this theftproof lock only has a unlock key, if use master key or similar instrument to insert keyhole, the at this moment position of part hinge in unlocking condition.Because the hinge of theftproof lock can freely be rotated by 360 degree, for the veteran people that unblanks, now can rely on feel be rotated further master key or similarly instrument drive hinge to rotate, by other not yet the hinge in unlocking condition turn to by rule of thumb the state of unblanking, thereby theftproof lock is by technical unlocking, and theftproof lock loses antitheft function.For the theftproof lock that only has a locking key of other structures too, the displacement that can move freely due to hinge in the process of unblanking is larger, when insertion master key or similar instrument carry out skilled unlocking, in part hinge after unlocking condition, be rotated further master key or similar instrument, not yet the blade in unlocking condition, because having the larger displacement moving freely, is likely rotated unlocking condition, thereby theftproof lock is opened.In addition, in prior art, some theftproof locks are designed with two unlock key, and still, this design is the needs based on improving theftproof lock rigidity and intensity often, rather than in order to improve the needs of theftproof performance.
Summary of the invention
For solving the above-mentioned defect existing in prior art, the invention provides a kind of restriction groove that has, and there are main and auxiliary two unlock key, this auxiliary, main unlock key skids off its corresponding unlock key groove at this lock key time-division sequencing of normally unblanking, and when using master key or other instruments to unblank, auxiliary unlock key enters restriction groove by the stuck Anti-theft lock head of hinge.
The present invention is achieved in that a kind of Anti-theft lock head with secondary locking structure, comprise shell, lock core, hinge, the parts such as unlock key, described lock core is installed in the enclosure, in lock core, perpendicular to lock core shaft's line parallel, arrange several hinges, described unlock key is parallel to lock core axis, it is characterized in that: described unlock key comprises main unlock key and auxiliary unlock key, on wall, arranging respectively in the enclosure can accommodating master, the main line at the top of auxiliary unlock key and auxiliary groove, the width that main line makes progress in lock core footpath and the degree of depth are greater than respectively width and the degree of depth that auxiliary groove makes progress in lock core footpath, the auxiliary lock core of aspect ratio that main unlock key makes progress in lock core footpath height is diametrically large, the clearance space angle that the clearance space angle that main unlock key slides in main line is slided in auxiliary groove than auxiliary unlock key is large, at the edge of each hinge, offering respectively can accommodating main unlock key and main groove and the auxiliary groove of auxiliary unlock key root, and the relative position between this main and auxiliary groove is determined by the structure of key bit, the restriction groove that more than one or one can make auxiliary unlock key root free in and out is offered in a side or both sides at described auxiliary groove, during locking, main and auxiliary unlock key is connected lock core with shell, while normally unblanking, auxiliary, main unlock key successively sequentially departs from auxiliary groove and the main groove that shell falls into respectively same hinge successively.Owing to being provided with master, auxiliary unlock key, and the auxiliary groove of its correspondence at the lock core degree of depth and width radially, be less than respectively main line groove at the lock core degree of depth and width radially, the height that the auxiliary unlock key of aspect ratio that main unlock key makes progress in lock core footpath makes progress in lock core footpath is large, the clearance space angle that the clearance space angle of sliding in auxiliary groove due to auxiliary unlock key is slided in main line than main unlock key is little, so, while normally unblanking (while using this lock key to unblank), first auxiliary unlock key skids off the auxiliary groove of its correspondence and departs from shell, when auxiliary unlock key drives after blade rotation certain angle, main unlock key side is skidded off its corresponding main line and is departed from shell, realizing theftproof lock opens, after master key or other instruments insertion lockhole, hinge is subjected to displacement and makes in the restriction groove of auxiliary unlock key entering part hinge, and hinge can not continue mobile, lock core can not rotate, main unlock key cannot skid off its groove, and theftproof lock cannot pass through technical unlocking, and theftproof performance improves greatly.
As improvement of the present invention, the cross section that main and auxiliary groove makes progress in lock core footpath is for being designed to
type or
type, is conducive to main and auxiliary unlock key and skids off its corresponding groove.
As another improvement of the present invention, hinge is designed to have the annular of the boss mating with key, and main and auxiliary groove is distributed in hinge excircle place, correspondingly, the body of this lock key is cylinder, along this cylinder axis to, from key handle, be divided into successively the firstth district and Second Region; Article one, snakelike teeth groove extends axially along it at first district's periphery, is offering one or more pellets hole groove perpendicular to cylindrical surface, Second Region; With groove corresponding position, pellet hole, correspondingly arrange one or more of by the passage of the perforation of lock core and shell, upper pellet and lower pellet in passage successively ecto-entad arrange; During blocking, lower pellet is connected lock core with shell, and during unlocking condition, the boundary line of upper pellet and lower pellet overlaps with the boundary line of shell and lock core.Owing to having set up upper and lower pellet, the upper and lower pellet of each theftproof lock length is diametrically determined by the structure of the teeth groove of this lock key corresponding position, has therefore greatly increased theftproof lock number of password, and theftproof performance further improves.
As further improvement of the present invention, snakelike teeth groove extends to Bing Second Region, Second Region and forms locating slot from the firstth district, the locating slot of can freely coming in and going out of the positioning convex column on lock core inwall.The existence of locating slot and positioning convex column, makes key insert rear lower pellet and easily falls into pellet hole groove on the key, realizes the location to lower pellet.When key is extracted, main and auxiliary unlock key is arranged in groove separately, theftproof lock is in correct blocking when guaranteeing open locking, in inner walls, be provided with shop bolt, this shop bolt root stretches in main line, meanwhile, at main unlock key top, is provided with cotter slot, during locking, described shop bolt inserts in cotter slot; While unblanking, described shop bolt departs from main unlock key.
As a modification of the present invention, boss top or root in hinge on annulus are provided with weakening groove.Weaken the strength and stiffness that groove has reduced hinge to a certain extent, when theftproof lock is subject to violence and unblanks, this boss is distortion or fracture easily, and at this moment theftproof lock is destroyed and can not be unlocked, and theftproof performance improves.
As the present invention is another kind of, improve, hinge has two parallel long limits; Main and auxiliary groove lays respectively on the above two parallel long limits of hinge; Restriction groove and auxiliary groove are positioned on the same parallel long limit of hinge; Can also take another technical scheme, hinge has a lug at least, two horizontal sides that are hinge in these lug both sides, and this lug is equivalent to main unlock key; Lug grooves is offered in position corresponding with lug on outer casing inner wall, and this lug grooves is equivalent to main line; Auxiliary groove and restriction groove are positioned in the same horizontal sides in hinge, when theftproof lock is during by unlocked by universal key, auxiliary unlock key insertion portion restriction groove is stuck hinge, and lock core can not be rotated further, main unlock key cannot skid off from main line, and theftproof lock cannot be unlocked.
Accompanying drawing explanation
Fig. 1-6 are schematic diagrames of the first embodiment, wherein:
Fig. 1 (a) is the transverse sectional view while inserting without key;
Fig. 1 (b) is that Fig. 1 (a) is at the longitudinal sectional view of A-A;
Transverse sectional view when Fig. 2 (a) is key insertion;
Fig. 2 (b), Fig. 2 (c) be Fig. 2 (a) B-B to longitudinal sectional view, wherein the former is the schematic diagram of non-lock key while inserting, the latter is the schematic diagram after this lock key inserts;
Transverse sectional view when Fig. 3 (a) is key insertion;
Fig. 3 (b) is that Fig. 3 (a) is at the longitudinal sectional view of the direction of arrow;
Fig. 4 is the schematic diagram of partition;
Fig. 5 is the schematic diagram of hinge,
Fig. 6 (a)--the schematic diagram that Fig. 6 (e) is key.
Fig. 7--8 is schematic diagrames of the second embodiment, wherein:
Fig. 7 (a) is the transverse sectional view while inserting without key;
Fig. 7 (b) be Fig. 7 (a) at the longitudinal sectional view at arrow place, represent the blocking of theftproof lock when inserting without key;
Fig. 7 (c) be Fig. 7 (a) at the longitudinal sectional view at arrow place, represent that theftproof lock inserts at this lock key the unlocking condition that rear lock core rotates;
Fig. 7 (d) be Fig. 7 (a) arrow to longitudinal sectional view, at master key or other instruments, insert the blocking that rear lock core rotates;
Fig. 8 is the schematic diagram of hinge.
Fig. 9-10 are schematic diagrames of the 3rd embodiment, wherein:
Fig. 9 (a) is the transverse sectional view while inserting without key;
Fig. 9 (b) be Fig. 9 (a) at the longitudinal sectional view at its arrow place, represent the blocking of theftproof lock when inserting without key;
Fig. 9 (c) be Fig. 9 (a) at the longitudinal sectional view at its arrow place, represent that theftproof lock inserts at this lock key the unlocking condition that rear lock core rotates;
Fig. 9 (d) be Fig. 9 (a) at the longitudinal sectional view at its arrow place, represent that master key or other instruments insert the blocking that rear lock core rotates;
Figure 10 is the schematic diagram of hinge.
Figure 11-12 are schematic diagrames of the 4th embodiment, wherein:
Figure 11 (a) is the transverse sectional view while inserting without key;
Figure 11 (b) be Figure 11 (a) at the longitudinal sectional view at its arrow place, represent the blocking of theftproof lock when inserting without key;
Figure 11 (c) be Figure 11 (a) at the longitudinal sectional view at its arrow place, represent that theftproof lock inserts at this lock key the unlocking condition that rear lock core rotates;
Figure 11 (d) is that Figure 11 (a) is at the longitudinal sectional view at its arrow place, at the blocking of master key or the rotation of other instruments insertion rear lock core;
Figure 12 is the schematic diagram of hinge in the present embodiment.
Number in the figure represents respectively:
The specific embodiment
Fig. 1-Fig. 6 is the schematic diagram of first embodiment of the invention.Anti-theft lock end in the present embodiment is nested in cylindrical shell by cylinder lock core 2 and forms, and several annular hinges 11 are arranged in parallel in the direction perpendicular to lock core axis, between hinge 11, by partition 12, separate.The structure of partition is referring to Fig. 4, in figure, partition 12 is shaped as the annular with two partition breach 15 and partition boss 14, partition breach 15 can support and depart from the unlock key 4,5 falling after shell 1 inwall, and the spacer slit that partition boss 14 inserts in lock core inwall is fixed in lock core 1 partition 12.Hinge 11 can be rotated by 360 degree under the effect of key bit, and partition 12 can not rotate, the Main Function that arranges of partition 12 is to make the rotation of hinge 11 more smooth and easy, no, frictional force between smooth hinge 11 is large, hinge 11 is easily sticked together each other, is particularly having water or is having the frictional force between hinge under oil condition more to strengthen, thereby causing the resistance increment of unblanking.A lining 3 is set at key port place to be sealed in hinge 11 and partition 12 in lock core.On shell 1 inwall, be parallel to lock core shaft and offer respectively main line 21 and auxiliary groove 22, the width K1 that main line 21 makes progress in lock core footpath and depth S 1 are greater than respectively width K2 that auxiliary groove 22 makes progress in lock core footpath and depth S 2[referring to Fig. 2 (C)]; Corresponding to main and auxiliary groove 21,22, two unlock key are set respectively, i.e. main unlock key 4 and auxiliary unlock key 5, this highly refers to that unlock key is from top to the distance between root the height G1(that main unlock key 4 makes progress in lock core footpath, and this height is corresponding to the degree of depth of main and auxiliary groove 21,22) the height G2 that makes progress in lock core footpath than auxiliary unlock key 5 is large.The top of two unlock key can free in and out respectively main and auxiliary groove, and the root of the main and auxiliary unlock key 4,5 of fu can free in and out the main and auxiliary groove 16,17 being positioned in hinge.Relative position between main and auxiliary unlock key 4,5, can, as being set to symmetry in Fig. 2 (b), also can be arranged to asymmetric.
Referring to Fig. 5, each hinge 11 is offered respectively a main groove 16 and auxiliary groove 17 at the outward flange of its circumference, relative position between main and auxiliary groove 16,17 depends on that key is corresponding to the tooth slot structure of this hinge, both sides at auxiliary groove 17, there are several restriction grooves 23, the root of size, shape and the auxiliary unlock key 5 of restriction groove 23 adapts, and the root that is beneficial to auxiliary unlock key 5 can free in and out.Restriction groove 23 can be distributed in a side of auxiliary groove 17, also can be distributed in the both sides of auxiliary groove 17, and its quantity can be one, can be also several.
Operating principle when the present invention normally unblanks is: during locking, the top of main and auxiliary unlock key 4,5 lays respectively in main and auxiliary groove 16,17, and its root is arranged in lock core 2, and shell 1 and lock core 2 are linked together, lock core 2 can not rotate, thereby realizes blocking function; While unblanking, when inserting this lock key 13, teeth groove on the key rotates the hinge 11 that promotes annular, makes the auxiliary groove 17 in hinge 11 be arranged in straight line.The width and depth ratio main line 21 width and the degree of depth diametrically that due to auxiliary groove 22, in lock core footpath, make progress are little, make auxiliary unlock key 5 earlier skid off its corresponding groove than main unlock key 4, like this, first auxiliary 4 keys of unblanking fall into auxiliary groove 17, and drive hinge 11 further to rotate, in hinge 11, rotate after certain distance, main unlock key 4 starts to skid off main line 21 and falls into the main groove 16 of arranging in a line.From above-mentioned analysis, while using this lock key normally to unblank, auxiliary unlock key 5 and main unlock key 4 successively depart from respectively shell 1 successively, fall into auxiliary, main groove 17,16, fall into partition breach 15 simultaneously, and lock core 2 can be rotated, and realize the unlatching of theftproof lock.
Antitheft principle of the present invention is: when using master key or other instruments to insert in keyhole, master key or other instruments cannot make the master in all hinges 11, auxiliary groove 16, 17 arrange in a line, at this moment auxiliary unlock key 5 will fall into the restriction groove 17 of part hinge, hinder being rotated further of hinge, master in hinge, auxiliary groove 16, 17 can not arrange in a line, and the depth S 1 of main line 21, width K is than the depth S of auxiliary groove 22 2, width K2 is larger, and the height G1 of main unlock key is larger than auxiliary unlock key G2, main unlock key 4 is more difficult to skid off main line 16, the theftproof performance of theftproof lock improves.Along with restricting the quantity of groove 23, increase, while using master key to unblank, auxiliary unlock key 5 more easily falls into restriction groove 23.The cross sectional shape that main and auxiliary groove 21,22 makes progress in lock core footpath, first-selection
type or
type., when this shape is conducive to normally unblank, main and auxiliary unlock key 4,5 skids off main and auxiliary groove 21,22.
Referring to Fig. 1 (a) and Fig. 1 (b), the former is the transverse sectional view of theftproof lock while inserting without key, and the latter is that the former is at the longitudinal sectional view at A-A place.From Fig. 1 (b), not insert before key, the top of main and auxiliary unlock key 4,5 lays respectively in main and auxiliary groove 16,17.Fig. 2 (a) is the transverse sectional view that key 13 inserts theftproof lock, and Fig. 2 (b), (c) are that Fig. 2 (a) is at the longitudinal sectional view at B-B place.Fig. 2 (b) shows that this lock key inserts keyhole rotation, and theftproof lock is in unlocking condition; Fig. 2 (c) shows that when master key or this other instruments insert keyhole and rotate key, main and auxiliary unlock key 4,5 can not skid off the situation of groove.
Referring to Fig. 1 (a), at the root of main and auxiliary unlock key 4,5, offer spring groove, back-moving spring 6 is arranged in this spring groove, and this spring is for resetting to main and auxiliary unlock key 4,5.The reposition element of the present embodiment is spring, can certainly adopt other reposition elements to replace spring.
Referring to Fig. 5, offer and weaken groove 18 being positioned near boss 24 tops in annular hinge 11 inner circles and root, this has weakened the intensity of hinge 11 in certain limit, when the violence of theftproof lock experience is unblanked, the distortion such as hinge boss 24 easily fractures, wearing and tearing, now theftproof lock is damaged, and at hinge boss 24 places, there is sliding tooth in master key, cannot continue unlocking anti-theft lock, thereby improve to a certain extent the theftproof performance of theftproof lock.
Referring to Fig. 3 (a), Fig. 3 (b) and Fig. 6.The key of the present embodiment comprises body key handle, and Fig. 6 shows key cylinder body body.From key handle one end, cylindrical key body is divided into the firstth district and Second Region, and key teeth groove is positioned on the periphery in the firstth district, is snakelike shape and extends along cylinder axis.This snakelike teeth groove extends to Bing Second Region, Second Region and forms locating slot from the firstth district, the positioning convex column 19 being arranged on lock core inwall can free in and out locating slot 25.The positioning convex column 19 of the present embodiment is copper cylinder, is fixed on the inner projection that forms of lock core.Screw key after key inserts, until positioning convex column 19 accurately enters the locating slot 25 of key Second Region, is now rotated further key 13, will make key drive hinge to rotate, and makes the main and auxiliary groove in hinge form gradually straight line.Therefore, the effect of positioning convex column 19 at least comprises two aspects that key 13 is located and key is started.
Referring to Fig. 3 (a), Fig. 3 (b) and Fig. 6.In theftproof lock shell 1 and lock core 2 position corresponding with key body Second Region, offer three passages that run through shell and lock core, upper pellet 8 and lower pellet 7 are arranged on this passage by face outside to inside, the spring 9 for resetting is installed at the top of upper pellet 8, and the top of this reposition element 9 seals passage with sheet metal.During blocking, lower pellet 8,7 is connected lock core with shell; During unlocking condition, the boundary line of upper pellet 8 and lower pellet 7 overlaps with the boundary line of shell 1 and lock core 2, and the lower pellet 7 that is positioned at lock core rotates together with lock core 2, and realization is unblanked.In the position corresponding with upper and lower pellet, the Second Region of cylinder key, the direction vertical with key cylinder surface offered three pellet hole grooves 26, the position of this hole groove is corresponding with the position of three lower pellets 7, and the hole size of groove and the bottom of lower pellet 7 adapt so that lower pellet 7 can free in and out pellet hole groove 26.Every that the pellet of theftproof lock hole groove depth is different, even same, each pellet of theftproof lock is cheated to the also can the degree of depth different of groove, this just increases substantially the number of password of theftproof lock.The quantity of upper and lower pellet can be to only have a pair ofly, can be also multipair, and along with the increase of upper and lower pellet logarithm, the number of password of theftproof lock also improves thereupon.
Referring to Fig. 7 a, 7b, 7c.When key is extracted, the groove that main and auxiliary unlock key 4,5 is arranged in separately, theftproof lock is in correct blocking when guaranteeing open locking, in inner walls, be provided with shop bolt 31, the root of this shop bolt stretches in main line 21, meanwhile, at main unlock key 4 tops, is provided with cotter slot, during locking, described alignment pin 31 nails insert in cotter slot; While unblanking, described shop bolt 31 departs from main unlock key.If shop bolt 31 is not set, in locking process, when main unlock key 4 is positioned at auxiliary groove and auxiliary unlock key 5 when being positioned at main line, also key may be extracted, cause user to think locking of theftproof lock by mistake.And arrange after shop bolt 31, during locking, user rotates key until shop bolt 31 falls into cotter slot, then extracts key, to guarantee that theftproof lock is correctly closed.
Fig. 7-Fig. 8 is the schematic diagram of second embodiment of the invention.The second embodiment is different from the first embodiment to be characterised in that: hinge 11 has the long limit of pair of parallel, on an adjacent side on this parallel long limit, there is one for the boss of fixed reset spring, every two hinges 11 are relatively placed in hinge groove, keyhole is rectangle, is positioned at the central authorities of hinge 11.On one in two parallel long limits of hinge 11, offer the main groove 16 that size and shape and main locking key 4 roots adapt, and on an other long limit, offer the auxiliary groove 17 that size and shape and auxiliary unlock key 5 roots adapt.In lock core cross section radially (referring to Fig. 7 b, 7c, 7d), main line 21 in width radially and the degree of depth respectively than auxiliary groove 22 width and the degree of depth large (this degree of depth is corresponding to the height of main and auxiliary unlock key) diametrically, and main unlock key 4 height is diametrically respectively than auxiliary unlock key 5 height diametrically large (this highly refers to the distance of major-minor unlock key from top to root), and main and auxiliary unlock key 4,5 width diametrically also can be identical, can be not identical yet.The relative position of main groove 16 and auxiliary groove 17 is determined by the structure of key bit corresponding to this hinge.In hinge, offer on this parallel long limit of auxiliary groove 17, offer restriction groove 23, the restriction size and shape of groove 23 and the root of auxiliary unlock key 5 adapt so that the root of auxiliary unlock key 5 can freely pass in and out restriction groove 23.For easy to process, the size and shape of restriction groove 23 is preferably identical with auxiliary groove 17.Restriction groove 23 can only have one, or a plurality of.Along with the quantity increase of restriction groove 23, be conducive to auxiliary unlock key 5 and more easily enter restriction groove 23 hinge is stuck when master key or other instruments insertion keyhole, therefore, the quantity of restriction groove 23 is preferably a plurality of, and is preferably distributed in the both sides of auxiliary groove 17.The operating principle of the present embodiment is similar to the first embodiment: while normally unblanking, (use this lock key to unblank), key bit promotes hinge 11 and moves, main, auxiliary groove 16, 17 are arranged in straight line, main, auxiliary unlock key 4, 5 fall into respectively main groove 16 and the auxiliary groove 17 in same hinge, because auxiliary groove 22 is less than the width of main line 21 and the degree of depth respectively in width and the degree of depth radially, first auxiliary unlock key 5 skids off auxiliary groove 17, be rotated further key, hinge 11 is rotated further, main unlock key 4 skids off main line 21 and falls into subsequently main groove 16, theftproof lock is opened, after master key or other instruments insertion keyhole, key bit or other instruments are subjected to displacement hinge 11, auxiliary unlock key 5 falls into the restriction groove 23 of part hinge, hinge 11 is stuck, hinge 11 cannot be rotated further, main and auxiliary unlock key 4,5 all cannot skid off its corresponding groove 21,22, and theftproof lock cannot be opened.Hinge in the present embodiment can be that two of symmetrical configuration relatively place and are placed in hinge groove as one group, also can the identical hinge of structure be placed on abreast in hinge groove.
Fig. 9 to Figure 10 is third embodiment of the invention.Be characterised in that different from the second embodiment: hinge 11 is rectangle on the whole, has the long limit of pair of parallel.On lock core, with mounting, fixing spring and hinge are enclosed in lock core.Main groove 16 and auxiliary groove 17 lay respectively on two parallel long limits of rectangle hinge, and restriction groove 23 is positioned on the long limit of same of hinge with auxiliary groove 17.Restriction groove 23 can be one or more, can be arranged in both sides or a side of auxiliary groove.Its main line 21 width and degree of depth is diametrically greater than respectively auxiliary groove width and the degree of depth diametrically; Main unlock key 4 height is diametrically greater than auxiliary unlock key 5 height (this highly refers to that unlock key top is to the distance of root) diametrically.Other structures of the 3rd embodiment are identical with the second embodiment, and operating principle is also identical.
Figure 11 to Figure 12 is the 4th embodiment of the present invention, is with the first～three embodiment difference: hinge 11 has two symmetrical lugs 27, and this lug is equivalent to the main unlock key 4 in the first～three embodiment.In the enclosure on wall with on position corresponding to lug 27, offer lug grooves 28, be equivalent to the main line 21 in the first～three embodiment, in the both sides of hinge lug 27, be two parallel long limits of hinge 11, long limit of hinge is provided with the boss of fixed reset spring, and this spring is for resetting to hinge.On a parallel long limit of hinge, be provided with auxiliary groove 17, auxiliary groove 17 is determined by the structure of key bit with the relative position of lug grooves 27.Accordingly, on wall, auxiliary groove 22 is offered in the position corresponding with auxiliary unlock key 5 in the enclosure, and during locking, the top of auxiliary unlock key 5 is arranged in its auxiliary groove; While normally unblanking, the root of auxiliary unlock key 5 falls into auxiliary groove, the width K3 and the depth S 3 that due to lug grooves 28, in lock core footpath, make progress are greater than respectively auxiliary groove 22 width K2 and depth S 2 diametrically, and the height G3 that lug 27 makes progress in lock core footpath is larger than auxiliary unlock key height G2 diametrically, because auxiliary unlock key is little in the clearance space angle of auxiliary groove 22 interior slips 5, first auxiliary unlock key 5 skids off auxiliary groove, be rotated further subsequently key, lug 27 also departs from lug grooves 28, and theftproof lock is opened.In hinge with on the same parallel long limit at auxiliary groove place, offer one or more restriction groove 23, when non-lock key inserts, the root of auxiliary unlock key 5 will fall into part restriction groove 23, and hinge is stuck, and lock core can not rotate.
The invention is not restricted to above-mentioned four kinds of embodiment; every have a main and auxiliary unlock key; shell corresponding position arranges respectively main and auxiliary groove; and main line width and the auxiliary groove of depth ratio width and the degree of depth diametrically is diametrically large; main and auxiliary groove and restriction groove are set in hinge, and the theftproof lock that auxiliary while unblanking, main unlock key successively departs from shell all belongs to the scope of the scope of protection of the invention.
Claims (10)
1. an Anti-theft lock head with secondary locking structure, comprise shell (1), lock core (2), hinge (11), unlock key parts, described lock core (2) is arranged in shell (1), in lock core (2) perpendicular to lock core (2) axis several hinges (11) that are arranged in parallel, described unlock key is parallel to lock core (2) axis, it is characterized in that: described unlock key comprises main unlock key and auxiliary unlock key (4, 5), on shell (1) inwall, arranging respectively can accommodating master, auxiliary unlock key (4, 5) main line at top (21) and auxiliary groove (22), the width K1 that main line (21) makes progress in lock core (2) footpath and depth S 1 are greater than respectively width K2 and the depth S 2 that auxiliary groove (22) makes progress in lock core (2) footpath, the height G1 that main unlock key (4) makes progress in lock core (2) footpath is larger at lock core (2) height G2 diametrically than auxiliary unlock key (5), the clearance space angle that the clearance space angle that main unlock key (4) slides in main line (21) is slided in auxiliary groove (22) than auxiliary unlock key (5) is large, at the edge of each hinge (11), offer respectively can accommodating main and auxiliary unlock key root main groove (16) and auxiliary groove (17), the relative position between this main and auxiliary groove (16,17) is determined by the structure of key bit, the restriction groove (23) that one or more can make auxiliary unlock key (5) root free in and out is offered in a side or both sides at described auxiliary groove (17), during locking, main and auxiliary unlock key (4,5) is connected lock core (2) with shell (1), while normally unblanking, auxiliary, main unlock key (5,4) successively sequentially departs from auxiliary groove (17) and the main groove (16) that shell (1) falls into respectively same hinge (11) successively.
2. Anti-theft lock head according to claim 1, is characterized in that: the cross sectional shape that described main line (21) and auxiliary groove (22) make progress in lock core footpath is
type or
type.
3. Anti-theft lock head according to claim 1 and 2, is characterized in that: described hinge (11) is annular, and annulus is provided with the boss matching with key bit within it; Described main and auxiliary groove (16,17) and restriction groove (23) lay respectively on the excircle of annular hinge (11).
4. Anti-theft lock head according to claim 3, is characterized in that, the boss top or the root that are positioned in described hinge (11) inner circle are provided with weakening groove (18).
5. Anti-theft lock head according to claim 3, is characterized in that: key of anti-theft lock (13) body is cylinder, along this cylinder axis to, from key handle, be divided into successively the firstth district and Second Region; Article one, snakelike teeth groove extends axially along it at first district's periphery, is offering one or more pellets hole groove (26) perpendicular to Second Region periphery; With the corresponding part of described pellet hole groove (26), arrange one or more ofly by the passage of the perforation of lock core (2) and shell (1), upper pellet (8) and lower pellet (7) be arrangement from outside to inside in described passage; During blocking, lower pellet (7) is connected lock core (2) with shell (1); During unlocking condition, the boundary line of upper pellet (8) and lower pellet (7) overlaps with the boundary line of shell (1) and lock core (2).
6. Anti-theft lock head according to claim 5, it is characterized in that: described snakelike teeth groove extends to Bing Second Region, Second Region and forms locating slot (25) from the firstth district, when hinge (11) is rotated, the positioning convex column (19) being fixed on lock core (2) inwall can freely pass in and out locating slot (25).
7. Anti-theft lock head according to claim 6, it is characterized in that: described outer casing inner wall is provided with shop bolt (31), the root of described shop bolt (31) stretches in main line (21), top at described main unlock key (4) is provided with cotter slot, during locking, described shop bolt (31) inserts in cotter slot; While unblanking, described shop bolt (31) departs from main unlock key (4).
8. Anti-theft lock head according to claim 1 and 2, is characterized in that: described each hinge (11) has two parallel long limits; Described main groove (16) and auxiliary groove (17) lay respectively on two described parallel long limits; Described restriction groove (23) is positioned on the same parallel long limit of hinge (11) with auxiliary groove (17).
9. an Anti-theft lock head with secondary locking structure, comprise shell (1), lock core (2), hinge (11), auxiliary unlock key (5) parts, described lock core (2) is arranged in shell (1), in lock core (2) perpendicular to lock core (2) axis several hinges (11) that are arranged in parallel, described auxiliary unlock key is parallel to lock core (2) axis, it is characterized in that: described hinge (11) has one or two lug (27), in shell (1) the inwall position corresponding with lug (27), being provided with can be for the lug grooves (28) of lug turnover; On shell (1) inwall, offer the auxiliary groove (22) for the turnover of auxiliary unlock key top with the corresponding part of described auxiliary unlock key (5); In lock core (2) footpath, upwards, the depth S 3 of lug grooves (28) and width K3 are greater than respectively depth S 2 and the width K2 of auxiliary groove (22), and the height G3 of lug is greater than the height G2 of auxiliary unlock key (5); The clearance space angle that the clearance space angle that lug (27) slides in lug grooves (28) is slided in auxiliary groove (22) than auxiliary unlock key (5) is large; At the edge of each hinge (11), offer can accommodating auxiliary unlock key (5) root auxiliary groove (17); The restriction groove (23) that one or more can make auxiliary unlock key root free in and out is offered in a side or both sides at described auxiliary groove (17); During locking, lug (27), auxiliary unlock key (5) are connected lock core (2) with shell (1); While normally unblanking, auxiliary unlock key (5) and lug (27) successively successively order depart from shell (1), auxiliary unlock key (5) first falls into the auxiliary groove (17) of each hinge (11), lug (27) skids off lug grooves (28) and enters in lock core (2) subsequently.
10. Anti-theft lock head according to claim 9, is characterized in that: the shape of described auxiliary groove (22) on lock core radial section is
type or
type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110396513.5A CN102535972B (en) | 2011-12-02 | 2011-12-02 | Anti-theft lock tapered end with secondary locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110396513.5A CN102535972B (en) | 2011-12-02 | 2011-12-02 | Anti-theft lock tapered end with secondary locking structure |
Publications (2)
| Publication Number | Publication Date |
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| CN102535972A CN102535972A (en) | 2012-07-04 |
| CN102535972B true CN102535972B (en) | 2014-03-26 |
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| CN201110396513.5A Expired - Fee Related CN102535972B (en) | 2011-12-02 | 2011-12-02 | Anti-theft lock tapered end with secondary locking structure |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832001B (en) * | 2015-01-21 | 2017-05-17 | 李浩远 | Anti-theft lock |
| CN109025502A (en) * | 2018-10-19 | 2018-12-18 | 葛广成 | A kind of blade inserting blade lock |
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| US5285667A (en) * | 1990-11-30 | 1994-02-15 | Alpha Corporation | Cylinder lock |
| EP1707711A2 (en) * | 2005-03-30 | 2006-10-04 | Talleres De Escoriaza, S.A. | Security device for lock cylinders |
| CN200964727Y (en) * | 2006-11-01 | 2007-10-24 | 朱建忠 | Vane lock core |
| CN201050225Y (en) * | 2007-04-20 | 2008-04-23 | 黄伟敏 | Prizing-proof lock |
| FR2917444A1 (en) * | 2007-06-12 | 2008-12-19 | Securidev Sa | LOCKING CYLINDER WITH DOUBLE LOCKING MEANS |
| CN201180407Y (en) * | 2008-02-02 | 2009-01-14 | 冯乔 | Lockset |
| CN201495845U (en) * | 2009-07-20 | 2010-06-02 | 胡德精 | Double-locking antitheft lock |
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|---|---|---|---|---|
| US5285667A (en) * | 1990-11-30 | 1994-02-15 | Alpha Corporation | Cylinder lock |
| EP1707711A2 (en) * | 2005-03-30 | 2006-10-04 | Talleres De Escoriaza, S.A. | Security device for lock cylinders |
| CN200964727Y (en) * | 2006-11-01 | 2007-10-24 | 朱建忠 | Vane lock core |
| CN201050225Y (en) * | 2007-04-20 | 2008-04-23 | 黄伟敏 | Prizing-proof lock |
| FR2917444A1 (en) * | 2007-06-12 | 2008-12-19 | Securidev Sa | LOCKING CYLINDER WITH DOUBLE LOCKING MEANS |
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| CN201495845U (en) * | 2009-07-20 | 2010-06-02 | 胡德精 | Double-locking antitheft lock |
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|---|---|
| CN102535972A (en) | 2012-07-04 |
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Application publication date: 20120704 Assignee: GUANGDONG BIAOCHEN SECURITY EQUIPMENT Co.,Ltd. Assignor: Li Haoyuan Contract record no.: 2014440000292 Denomination of invention: Anti-theft lock tapered end with secondary locking structure Granted publication date: 20140326 License type: Exclusive License Record date: 20140619 |
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Effective date of registration: 20170405 Address after: 528400 Guangdong Province, Zhongshan City Xiaolan Town Luxi Industrial Park Guangfeng Guangshan Road No. 35 Patentee after: GUANGDONG BIAOCHEN SECURITY EQUIPMENT Co.,Ltd. Address before: Guangcheng road 528415 Zhongshan City Xiaolan Town, Guangdong province No. 222 Qingfeng garden 26 building 301 room Patentee before: Li Haoyuan |
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