CN102535972A - 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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- CN102535972A CN102535972A CN2011103965135A CN201110396513A CN102535972A CN 102535972 A CN102535972 A CN 102535972A CN 2011103965135 A CN2011103965135 A CN 2011103965135A CN 201110396513 A CN201110396513 A CN 201110396513A CN 102535972 A CN102535972 A CN 102535972A
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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 theftproof lock tapered end, have two locking keies and two theftproof lock tapered ends that locking key divides sequencing to fall into corresponding keyway more specifically to a kind of.
Background technology
Chinese invention patent zl2006200640193 discloses the theftproof lock that a kind of page of sheet can 360 degree rotates freely; This theftproof lock has only a unlock key; If use master key or similar instrument to insert keyhole, at this moment part page or leaf sheet is in the position of unlocking condition.Because the page or leaf sheet of theftproof lock can freely rotate by 360 degree; For the veteran people that unblanks; Can rely on this moment feel be rotated further master key or similarly instrument drive page sheet and rotate; With other be not in as yet unlocking condition the page or leaf sheets turn to unlocked conditions by rule of thumb, thereby theftproof lock by technical unlocking, theftproof lock loses the function of antitheft.For the theftproof lock that has only a locking key of other structures too; The displacement that in the process of unblanking, can move freely owing to the page or leaf sheet is bigger, when insertion master key or similar instrument carry out skilled unlocking, after a part page sheet is in unlocking condition; Be rotated further master key or similar instrument; The blade that then is not in unlocking condition as yet might be rotated unlocking condition, thereby theftproof lock is opened because of having the bigger displacement that moves freely.In addition, in the prior art, the theftproof lock that has is designed with two unlock key, and still, this design is often based on the needs that improve theftproof lock rigidity and intensity, rather than in order to improve the needs of theftproof performance.
Summary of the invention
For solving the above-mentioned defective that exists in the prior art; The present invention provides a kind of restriction groove that has; And have main and auxiliary two unlock key; Should be auxilliary, main unlock key skids off its pairing unlock key groove at this lock key time-division sequencing of normally unblanking, and when using master key or other instruments to unblank, auxilliary unlock key gets into the restriction groove theftproof lock tapered end that the page or leaf sheet is stuck.
The present invention is achieved in that a kind of theftproof lock tapered end with secondary latch-up structure; Comprise parts such as shell, lock core, page or leaf sheet, unlock key; Described lock core is installed in the enclosure; In lock core, arrange several sheets perpendicular to lock core shaft's line parallel, described unlock key is parallel to the lock core axis, it is characterized in that: described unlock key comprises main unlock key and auxilliary unlock key; The main line and the auxilliary groove at top that can ccontaining main and auxiliary unlock key are set respectively on the wall in the enclosure, and the width that main line directly makes progress at lock core and the degree of depth are respectively greater than assisting the width and the degree of depth that groove directly makes progress at lock core; Main unlock key is big at the auxilliary lock core height diametrically of aspect ratio that lock core directly makes progress; Offering respectively at the edge of each page sheet can ccontaining major-minor unlock key and the main groove and the auxilliary groove of auxilliary unlock key root, and the relative position between this main and auxiliary groove is confirmed by the structure of key bit; A restriction groove that auxilliary unlock key root is freed in and out is offered in a side or both sides at described auxilliary groove; During locking, main and auxiliary unlock key is connected lock core with shell; When normally unblanking, auxilliary, main unlock key divides sequencing to break away from auxilliary groove and main groove that shell falls into same page or leaf sheet respectively successively.
Owing to be provided with main and auxiliary unlock key; And the auxilliary groove that it is corresponding at the lock core degree of depth and width radially respectively less than the main line groove at the lock core degree of depth and width radially; Main unlock key is big at the auxilliary lock core height diametrically of aspect ratio that lock core directly makes progress; When normally unblanking (when using this lock key to unblank), auxilliary unlock key at first skids off its corresponding auxilliary groove and breaks away from shell, after auxilliary unlock key drives the blade rotation certain angle; Main unlock key side is able to skid off its corresponding main line and breaks away from shell, realizes the theftproof lock unlatching; Behind master key or other instruments insertion lockhole, the page or leaf sheet is subjected to displacement and makes in the restriction groove of auxilliary unlock key entering part page or leaf sheet, and a page or leaf sheet can not continue to move; Lock core can not rotate; Main unlock key can't skid off its groove, and theftproof lock can't pass through technical unlocking, and theftproof performance improves greatly.
As improvement of the present invention; Main and auxiliary groove, helps main and auxiliary unlock key and skids off its corresponding groove for being designed to perhaps
type of
type in cross section that lock core directly makes progress.
As another improvement of the present invention; The page or leaf sheet is designed to have the annular of the boss that matees with key, and main and auxiliary groove is distributed in a page sheet excircle place, correspondingly; The body of this lock key is a cylinder, along this cylinder axis to, be divided into first district and second district successively from key handle; Article one, snakelike teeth groove extends axially along it at first district's periphery, is offering one or more pellets shot from a slingshot hole groove perpendicular to cylindrical surface, second district; Cheating the groove corresponding position, one or many passages with the perforation of lock core and shell correspondingly are set, last pellet shot from a slingshot and the ecto-entad arrangement successively in passage of following pellet shot from a slingshot with pellet shot from a slingshot; During blocking, following pellet shot from a slingshot is connected lock core with shell, and during unlocking condition, the boundary line of last pellet shot from a slingshot and following pellet shot from a slingshot overlaps with the boundary line of shell and lock core.Owing to set up upper and lower pellet shot from a slingshot, the upper and lower pellet shot from a slingshot length diametrically of each theftproof lock is determined by the structure of the teeth groove of this lock key corresponding position, has therefore increased the theftproof lock number of password greatly, and theftproof performance further improves.
As the present invention's improvement further, snakelike teeth groove extends to second district and forms locating slot in second district from first district, the locating slot of can freely coming in and going out of the positioning convex column on the lock core inwall.The existence of locating slot and positioning convex column makes key insert the back lower pellet and falls into pellet shot from a slingshot hole groove on the key easily, promptly realizes the location to following pellet shot from a slingshot.When key was extracted, main and auxiliary unlock key was arranged in groove separately, and theftproof lock is in correct blocking when guaranteeing to open and close lock; Be provided with shop bolt in inner walls; This shop bolt root stretches in the main line, simultaneously, is provided with cotter slot at main unlock key top; During locking, described shop bolt inserts in the cotter slot; When unblanking, described shop bolt breaks away from main unlock key.
As a kind of improvement of the present invention, boss top or root in the page or leaf sheet on the annulus are provided with the weakening groove.Weaken the strength and stiffness that groove has reduced the page or leaf sheet to a certain extent, when theftproof lock receives violence and unblanks, this boss easy deformation or fracture, at this moment theftproof lock can not be unlocked by breaking-up, and theftproof performance improves.
Improve as the present invention is another kind of, the page or leaf sheet has two parallel long limits; Main and auxiliary groove lays respectively on the above two parallel long limits of page sheet; Restriction groove and auxilliary groove are positioned on same the parallel long limit of page sheet; Can also take other a kind of technical scheme, promptly the page or leaf sheet has a lug at least, is two horizontal sides of page or leaf sheet in these lug both sides, and this lug promptly is equivalent to main unlock key; Lug grooves is offered in position corresponding with lug on the outer casing inner wall, and this lug grooves promptly is equivalent to main line; Auxilliary groove is positioned on same the horizontal sides on page sheet with the restriction groove; When theftproof lock during by unlocked by universal key, auxilliary unlock key insertion portion restriction groove is stuck a page sheet, and lock core can not be rotated further; Main unlock key can't skid off from main line, and theftproof lock can't be unlocked.
Description of drawings
Fig. 1-6 is sketch mapes of first embodiment, wherein:
Fig. 1 (a) is the no key transverse sectional view when inserting;
Fig. 1 (b) is the longitudinal sectional view of Fig. 1 (a) at A-A;
Transverse sectional view when Fig. 2 (a) is the key insertion;
Fig. 2 (b), Fig. 2 (c) be Fig. 2 (a) B-B to longitudinal sectional view, the sketch map when wherein the former this lock key of right and wrong inserts, the latter is the sketch map after this lock key inserts;
Transverse sectional view when Fig. 3 (a) is the key insertion;
Fig. 3 (b) is the longitudinal sectional view of Fig. 3 (a) in the direction of arrow;
Fig. 4 is the sketch map of partition;
Fig. 5 is the sketch map of page sheet,
Fig. 6 (a)--Fig. 6 (e) is the sketch map of key.
Fig. 7--8 is sketch mapes of second embodiment, wherein:
Fig. 7 (a) is the no key transverse sectional view when inserting;
Fig. 7 (b) is the longitudinal sectional view of Fig. 7 (a) at the arrow place, the blocking of expression theftproof lock when no key inserts;
Fig. 7 (c) is the longitudinal sectional view of Fig. 7 (a) at the arrow place, and the expression theftproof lock inserts the unlocking condition that rear lock core rotates at this lock key;
Fig. 7 (d) be Fig. 7 (a) arrow to longitudinal sectional view, insert the blocking that rear lock core rotates at master key or other instruments;
Fig. 8 is the sketch map of page sheet.
Fig. 9-11 is sketch mapes of the 3rd embodiment, wherein:
Fig. 9 (a) is the no key transverse sectional view when inserting;
Fig. 9 (b) is the longitudinal sectional view of Fig. 9 (a) at its arrow place, the blocking of expression theftproof lock when no key inserts;
Fig. 9 (c) is the longitudinal sectional view of Fig. 9 (a) at its arrow place, and the expression theftproof lock inserts the unlocking condition that rear lock core rotates at this lock key;
Fig. 9 (d) is the longitudinal sectional view of Fig. 9 (a) at its arrow place, and expression master key or other instruments insert the blocking that rear lock core rotates;
Figure 10 is the sketch map of page sheet.
Figure 11-13 is sketch mapes of the 3rd embodiment, wherein:
Figure 11 (a) is the no key transverse sectional view when inserting;
Figure 11 (b) is the longitudinal sectional view of Figure 11 (a) at its arrow place, the blocking of expression theftproof lock when no key inserts;
Figure 11 (c) is the longitudinal sectional view of Figure 11 (a) at its arrow place, and the expression theftproof lock inserts the unlocking condition that rear lock core rotates at this lock key;
Figure 11 (d) is the longitudinal sectional view of Figure 11 (a) at its arrow place, inserts the blocking that rear lock core rotates at master key or other instruments;
Figure 12 is the sketch map of page or leaf sheet in the present embodiment.
Label is represented respectively among the figure:
Specific embodiment
Fig. 1-Fig. 6 is the sketch map 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; Several annular page or leaf sheets 11 are arranged in parallel on the direction perpendicular to the lock core axis; When master key or other instruments insert during keyhole; Annular page or leaf sheet 11 in the present embodiment can dally by 360 degree, separates through partition 12 between the page or leaf sheet 11.The structure of partition is referring to Fig. 4; Partition 12 is shaped as the annular with two partition breach 15 and partition boss 14 among the figure; Partition breach 15 can support and break away from the unlock key (4,5) that falls behind shell 1 inwall; And the spacer slit that partition boss 14 inserts in the lock core inwall is fixed in the lock core 1 partition 12.Page or leaf sheet 11 can rotate by 360 degree under the effect of key bit; And partition 12 can not rotate, and the main effect that is provided with of partition 12 is to make the rotation of page sheet 11 more smooth and easy, does not exist; Frictional force between the smooth page or leaf sheet 11 is big; Page or leaf sheet 11 is sticked together each other easily, particularly water is being arranged or having the frictional force between oil condition nextpage sheet more to strengthen, thereby the resistance that causes unblanking increases.A lining 3 is set at the key port place to be sealed in page or leaf sheet 11 and partition 12 in the lock core.On shell 1 inwall, be parallel to lock core shaft and offer main line 21 and auxilliary groove 22 respectively, width K1 that main line 21 directly makes progress at lock core and depth S 1 are respectively greater than auxilliary groove 22 width K2 and depth S 2 [referring to Fig. 2 (C)] diametrically; Corresponding to main and auxiliary groove (21,22); Two unlock key are set respectively; Promptly main unlock key 4 and auxilliary unlock key 5; Main unlock key 4 is bigger at the height G2 that lock core directly makes progress than auxilliary unlock key 5 at the height G1 (this highly refers to unlock key from the distance between top to the root, and this height is corresponding to the degree of depth of main and auxiliary groove 21,22) that lock core directly makes progress.The top of two unlock key can free in and out the master respectively, attach groove, and the root of main and auxiliary unlock key 4,5 then can free in and out the main and auxiliary groove (16,17) that is positioned on page sheet.Main and auxiliary unlock key 4, the relative position between 5 can also can be arranged to asymmetric as being set to symmetry among Fig. 2 (b).
Referring to Fig. 5; Each page sheet 11 is offered a main groove 16 and auxilliary groove 17 respectively at the outward flange of its circumference; Main and auxiliary groove 16, the relative position between 17 depend on the teeth groove structure of key corresponding to this page sheet, in the both sides of auxilliary groove 17, several restriction grooves 23 are arranged; The root of size, shape and the auxilliary unlock key 5 of restriction groove 23 adapts, and the root that is beneficial to auxilliary unlock key 5 can free in and out.Restriction groove 23 can be distributed in a side of auxilliary groove 17, also can be distributed in the both sides of auxilliary groove 17, and its quantity can be one, also can be 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 the main and auxiliary groove 16,17, and its root then 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; When unblanking, when inserting this lock key 13, the page or leaf sheet 11 that teeth groove on the key will promote annular rotates, and makes the auxilliary groove 17 on page sheet 11 be arranged in straight line.Because auxilliary groove 22 is little in the width and depth ratio main line 21 width and the degree of depth diametrically that lock core directly makes progress; Make auxilliary unlock key 5 earlier skid off its corresponding groove than main unlock key 4; Like this, auxilliary 4 keys of unblanking at first fall into auxilliary groove 17, and a drive page or leaf sheet 11 further rotates; After page or leaf sheet 11 rotated certain distance, main unlock key 4 began to skid off main line 21 and falls into the main groove 16 of arranging in a line.Visible from above-mentioned analysis, when using this lock key normally to unblank, auxilliary unlock key 5 successively breaks away from shell 1 respectively successively with main unlock key 4, falls into auxilliary, main groove 17,16, falls into partition breach 15 simultaneously, and lock core 2 can be rotated, and realizes the unlatching of theftproof lock.
Antitheft principle of the present invention is: when using master key or other instruments to insert in the keyhole; Master key or other instruments can't make the main and auxiliary groove 16,17 on all pages sheet 11 arrange in a line; At this moment auxilliary unlock key 5 will fall into the restriction groove 17 of part page or leaf sheet, hinders being rotated further of page or leaf sheet, and the main and auxiliary groove 16,17 on the page or leaf sheet can not be arranged in a line; And the depth S 1 of main line 21, width K are bigger than depth S 2, the width K2 of auxilliary groove 22; And the height G1 of main unlock key is bigger than auxilliary unlock key G2, and main unlock key 4 more is difficult to skid off main line 16, and the theftproof performance of theftproof lock improves.Along with the quantity that restricts groove 23 increases, when using master key to unblank, auxilliary unlock key 5 falls into restriction groove 23 more easily.The cross sectional shape that main and auxiliary groove 21,22 directly makes progress at lock core; First-selected
type and
type, main and auxiliary unlock key 4,5 skidded off main and auxiliary groove 21,22 when this shape helped normally unblanking.
Referring to Fig. 1 (a) and Fig. 1 (b), the former is the transverse sectional view of no key theftproof lock when inserting, and the latter is the former longitudinal sectional view at the A-A place.Visible from Fig. 1 (b), do not insert key before, the top of main and auxiliary unlock key 4,5 lays respectively in the 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 the longitudinal sectional view of Fig. 2 (a) at the B-B place.Fig. 2 (b) shows that this lock key inserts keyhole and rotation, and theftproof lock is in unlocking condition; Fig. 2 (c) shows that main and auxiliary unlock key 4,5 can not skid off the situation of groove when master key or this other instruments inserted keyhole and key.
Referring to Fig. 1 (a), offer spring groove at the root of main and auxiliary unlock key 4,5, back-moving spring 6 is arranged in this spring groove, and this spring is used for main and auxiliary unlock key 4,5 is resetted.The reposition element of present embodiment is a spring, can certainly adopt other reposition elements to replace spring.
Referring to Fig. 5, near boss 24 tops and the root that are positioned on annular page or leaf sheet 11 circle, offer and weaken groove 18, this has weakened the intensity of page sheet 11 in certain limit; When the violence of theftproof lock experience is unblanked; Distortion such as page or leaf sheet boss 24 fractures easily, wearing and tearing, this moment, theftproof lock was damaged, and sliding tooth takes place in master key at page or leaf sheet boss 24 places; Can't continue to open theftproof lock, thereby improve the theftproof performance of theftproof lock to a certain extent.
Referring to Fig. 3 (a), Fig. 3 (b) and Fig. 6.The key of present embodiment comprises the body key handle, and Fig. 6 shows key cylinder body body.From key handle one end, cylindrical key body is divided into first district and second district, and the key teeth groove is positioned on the periphery in first district, is snakelike shape and extends along cylinder axis.This snakelike teeth groove extends to second district and forms locating slot in second district from first district, the positioning convex column 19 that is arranged on the lock core inwall can free in and out locating slot 25.The positioning convex column 19 of present embodiment is copper cylinder, is fixed on the inner projection that forms of lock core.Screw key after key inserts, up to the positioning convex column 19 accurate locating slots 25 that get into key second district, be rotated further key 13 this moment, will make key drive the rotation of page or leaf sheet, makes the main and auxiliary groove on page sheet form straight line gradually.Therefore, the effect of positioning convex column 19 comprises two aspects that key 13 is located and key is started at least.
Referring to Fig. 3 (a), Fig. 3 (b) and Fig. 6.At theftproof lock shell 1 and lock core 2 and corresponding position, key body second district; Offer three passages that run through shell and lock core; Last pellet shot from a slingshot 8 and following pellet shot from a slingshot 7 are arranged on this passage by face outside to inside; The spring 9 that is used to reset is installed at the top of last pellet shot from a slingshot 8, and the top of this reposition element 9 seals passage with sheet metal.During blocking, following pellet shot from a slingshot 8,7 is connected lock core with shell; During unlocking condition, the boundary line of last pellet shot from a slingshot 8 and following pellet shot from a slingshot 7 overlaps with the boundary line of shell 1 and lock core 2, and the following pellet shot from a slingshot 7 that is positioned at lock core rotates with lock core 2, realizes unblanking.In the position corresponding, second district of cylinder key with upper and lower pellet shot from a slingshot; The direction vertical with the key cylinder surface offered three pellet shot from a slingshot hole grooves 26; This position of cheating groove is corresponding with the position of three following pellets shot from a slingshot 7, and the size of hole groove is cheated groove 26 to adapting to so that following pellet shot from a slingshot 7 can free in and out pellet shot from a slingshot with the bottom of following pellet shot from a slingshot 7.Every different the pellet shot from a slingshot of theftproof lock hole groove depth, even samely cheat the also can the degree of depth different of groove to each pellet shot from a slingshot of theftproof lock, this just makes the number of password of theftproof lock increase substantially.The quantity of pellet shot from a slingshot can be to have only a pair ofly up and down, how rightly also can be, along with the increase of pellet shot from a slingshot logarithm up and down, the number of password of theftproof lock also improves thereupon.
Referring to Fig. 7 a, 7b, 7c.When key was extracted, main and auxiliary unlock key (4,5) was arranged in groove separately, and theftproof lock is in correct blocking when guaranteeing to open and close lock; Be provided with shop bolt 31 in inner walls; The root of this shop bolt stretches in the main line 21, simultaneously, is provided with cotter slot at main unlock key 4 tops; During locking, described alignment pin 31 nails insert in the cotter slot; When unblanking, described shop bolt 31 breaks away from main unlock key.If shop bolt 31 is not set, then in the locking process,, also maybe key be extracted when main unlock key 4 is positioned at auxilliary groove and auxilliary unlock key 5 when being positioned at main line, cause the user to think theftproof lock locking by mistake.And after shop bolt 31 was set, during locking, user's key fell into cotter slot up to shop bolt 31, extracted key again, and is correctly closed to guarantee theftproof lock.
Fig. 7-Fig. 8 is the sketch map of second embodiment of the invention.Second embodiment and the first embodiment different character are: page or leaf sheet 11 has the long limit of pair of parallel; Has a boss that is used for fixing back-moving spring on the adjacent side on this parallel long limit; Per two page or leaf sheets 11 relatively are placed in page film trap; Keyhole is a rectangle, is positioned at the central authorities of page sheet 11.On one in two parallel long limits of page or leaf sheet 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 auxilliary groove 17 that size and shape and auxilliary unlock key 5 roots adapt.In lock core cross section radially (referring to Fig. 7 b, 7c, 7d); Main line 21 in radially width and the degree of depth respectively than auxilliary groove 22 width diametrically and the degree of depth (this degree of depth is corresponding to the height of main and auxiliary unlock key) greatly; And main unlock key 4 height diametrically is respectively than auxilliary unlock key 5 height diametrically big (this highly refers to the distance of major-minor unlock key from the top to the root); And main and auxiliary unlock key 4,5 width diametrically promptly also can be identical, also can be inequality.The relative position of main groove 16 and auxilliary groove 17 is confirmed by the structure of the corresponding key bit of this page sheet.Offer at the page or leaf sheet on this parallel long limit of auxilliary groove 17, offer restriction groove 23, the size of restriction groove 23 and the root of shape and auxilliary unlock key 5 adapt so that the root of auxilliary unlock key 5 can freely pass in and out restriction groove 23.For easy to process, size and the shape of restriction groove 23 is preferably identical with auxilliary groove 17.Restriction groove 23 can have only one, and is perhaps a plurality of.Along with the quantity increase of restriction groove 23, help auxilliary unlock key 5 and when master key or other instruments insertion keyhole, get into restriction the groove 23 and page or leaf sheet is stuck more easily, therefore, the quantity that restricts groove 23 is preferably a plurality of, and is preferably distributed in the both sides of auxilliary groove 17.The operating principle of present embodiment is similar with first embodiment: (use this lock key to unblank) when normally unblanking; Key bit promotes page or leaf sheet 11 and moves, and main and auxiliary groove 16,17 is arranged in straight line, and main and auxiliary unlock key 4,5 falls into main groove 16 and the auxilliary groove 17 on the same page or leaf sheet respectively; The width and the degree of depth than main line 21 is little respectively because auxilliary groove 22 is in radially width and the degree of depth; Auxilliary unlock key 5 at first skids off auxilliary groove 17, is rotated further key, and page or leaf sheet 11 is rotated further; Main unlock key 4 skids off main line 21 and falls into main groove 16 subsequently, and theftproof lock is opened; Behind master key or other instruments insertion keyhole; Key bit or other instruments are subjected to displacement page sheet 11; Auxilliary unlock key 5 falls into the restriction groove 23 of part page or leaf sheet, and page or leaf sheet 11 is stuck, and page sheet 11 can't be rotated further; Main and auxiliary unlock key 4,5 all can't skid off its corresponding groove 21,22, and theftproof lock can't be opened.Page or leaf sheet in the present embodiment can be that two of symmetrical configuration relatively place as one group and place a page film trap, also can be placed on abreast in page film trap by identical in structure page or leaf sheet.
Fig. 9 to Figure 10 is a third embodiment of the invention.Be with the second embodiment different character: page or leaf sheet 11 is rectangle on the whole, has the long limit of pair of parallel.On lock core, fixing spring and page or leaf sheet are enclosed in the lock core with mounting.Main groove 16 lays respectively on two parallel long limits of rectangular page sheet with auxilliary groove 17, and restriction groove 23 is positioned on same the long limit of page sheet with auxilliary groove 17.Restriction groove 23 can be one or more, can be arranged in the both sides or a side of auxilliary groove.Its main line 21 width and degree of depth diametrically is respectively greater than the auxilliary groove width and the degree of depth diametrically; Main unlock key 4 height diametrically is greater than auxilliary unlock key 5 height (this highly refers to the distance of unlock key top to root) diametrically.Other structures of the 3rd embodiment are identical with second embodiment, and operating principle is also identical.
Figure 10 to Figure 10 is the 4th embodiment of the present invention, is with first～the 3rd embodiment difference: the lug 27 that page or leaf sheet 11 has two symmetries, this lug is equivalent to the main unlock key 4 among first～the 3rd embodiment.In the enclosure on the wall with on the corresponding position of lug 27; Offer lug grooves 28; Be equivalent to the main line 21 among first～the 3rd embodiment; In the both sides of page or leaf sheet lug 27 is two parallel long limits of page or leaf sheet 11, and long limit of page or leaf sheet is provided with the boss of fixed reset spring, and this spring is used for the page or leaf sheet is resetted.On a parallel long limit of page or leaf sheet, be provided with auxilliary groove 17, auxilliary groove 17 is confirmed by the structure of key bit with the relative position of lug grooves 27.Accordingly, offer auxilliary groove 22 with auxilliary unlock key 5 corresponding positions on the wall in the enclosure, during locking, the top of auxilliary unlock key 5 is arranged in its auxilliary groove; When normally unblanking; The root of auxilliary unlock key 5 falls into auxilliary groove, because width K3 that lug grooves 28 directly makes progress at lock core and depth S 3 be respectively greater than auxilliary groove 22 width K2 and depth S 2 diametrically, and lug 27 is bigger than auxilliary unlock key height G2 diametrically at the height G3 that lock core directly makes progress; Auxilliary unlock key 5 at first skids off auxilliary groove; Be rotated further key subsequently, lug 27 also breaks away from lug grooves 28, and theftproof lock is able to open.On same the parallel long limit that belongs to auxilliary groove on the page or leaf sheet, offer one or more restriction groove 23, non-lock key plug-in type, the root of auxilliary unlock key 5 will fall into part restriction groove 23, and the page or leaf sheet 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; The shell corresponding position is provided with main and auxiliary groove respectively; And the main line width and the auxilliary groove width and the degree of depth diametrically of depth ratio diametrically is big, and main and auxiliary groove and restriction groove are set on the page or leaf sheet, and theftproof lock auxilliary when unblanking, that main unlock key successively breaks away from shell all belongs to the scope of the scope of the present invention's protection.
Claims (10)
1. theftproof lock tapered end with secondary latch-up structure; Comprise parts such as shell (1), lock core (2), page or leaf sheet (11), unlock key; Described lock core (2) is installed in the shell (1); In lock core (2), arrange several sheets (11) perpendicular to lock core (2) parallel axes; Described unlock key is parallel to lock core (2) axis, it is characterized in that: described unlock key comprises main unlock key and auxilliary unlock key (4,5), on shell (1) inwall, be provided with respectively can ccontaining main and auxiliary unlock key (4,5) top main line (21) and auxilliary groove (22); Width K2 and depth S 2 that width K1 that main line (21) makes progress in lock core (2) footpath and depth S 1 make progress in lock core (2) footpath greater than auxilliary groove (22) respectively; Main unlock key 5 is bigger than auxilliary lock core (2) height G2 diametrically at the height G1 that lock core (2) footpath makes progress; Offer respectively at the edge of each page sheet (11) can ccontaining main and auxiliary unlock key root main groove (16) and auxilliary groove (17), the relative position between this main and auxiliary groove (16,17) is confirmed by the structure of key bit; The restriction groove (23) that one or more can make auxilliary unlock key (5) root free in and out is offered in a side or both sides at described auxilliary groove (17); During locking, main and auxiliary unlock key (4,5) is connected lock core (2) with shell (1); When normally unblanking, auxilliary, main unlock key (5,4) divides sequencing to break away from auxilliary groove (17) and main groove (16) that shell (1) falls into same page or leaf sheet (11) respectively successively.
2. theftproof lock tapered end according to claim 1 is characterized in that: described main line (21) and auxilliary groove (22) are
type or
type at the cross sectional shape that lock core directly makes progress.
3. theftproof lock tapered end according to claim 1 and 2 is characterized in that: described page or leaf sheet (11) is annular, and annulus is provided with the boss that matches with key bit within it; Described main and auxiliary groove lays respectively on the excircle of annular page or leaf sheet (11) with restriction groove (23).
4. theftproof lock tapered end according to claim 3 is characterized in that, the boss top or the root that are positioned on said page or leaf sheet (11) circle are provided with weakening groove (18).
5. theftproof lock tapered end according to claim 3 is characterized in that: theftproof lock key (13) body is a cylinder, along this cylinder axis to, be divided into first district and second district successively from key handle; Article one, snakelike teeth groove extends axially along it at first district's periphery, is offering one or more pellets shot from a slingshot hole groove (26) perpendicular to second district's periphery; With the corresponding part of said pellet shot from a slingshot hole groove (26), one or many passages with the perforation of lock core (2) and shell (1) are set, last pellet shot from a slingshot (8) and following pellet shot from a slingshot (7) are arranged in described passage from outside to inside; During blocking, following pellet shot from a slingshot (7) is connected lock core (2) with shell (1); During unlocking condition, the boundary line of last pellet shot from a slingshot (8) and following pellet shot from a slingshot (7) overlaps with the boundary line of shell (1) and lock core (2).
6. theftproof lock tapered end according to claim 5; It is characterized in that: described snakelike teeth groove extends to second district and the formation locating slot (25) in second district from first district; When page or leaf sheet (11) rotated, locating slot (25) can freely pass in and out the positioning convex column (19) that is fixed on lock core (2) inwall.
7. theftproof lock tapered end according to claim 6; It is characterized in that: described inner walls is provided with shop bolt 31; The root of described shop bolt 31 stretches in the main line (21); Top at said main unlock key (4) is provided with cotter slot, and during locking, described shop bolt 31 inserts in the cotter slot; When unblanking, described shop bolt 31 breaks away from main unlock key (4).
8. theftproof lock tapered end according to claim 1 and 2 is characterized in that: described each page sheet (11) has two parallel long limits; Described main groove (16) and auxilliary groove (17) lay respectively on described two parallel long limits; Described restriction groove (23) is positioned on same the parallel long limit of a page sheet (11) with auxilliary groove (17).
9. theftproof lock tapered end with secondary latch-up structure; Comprise shell (1), lock core (2), page or leaf sheet (11), auxilliary unlock key parts such as (5); Described lock core (2) is installed in the shell (1); In lock core (2), arrange several sheets (11) perpendicular to lock core (2) parallel axes; Described auxilliary unlock key is parallel to lock core (2) axis, it is characterized in that: described page or leaf sheet (11) has one or two lug (27), is provided with the lug grooves (28) that can supply the lug turnover in shell (1) inwall and the corresponding position of lug (27); On shell (1) inwall, offer the auxilliary groove (22) that supplies the turnover of auxilliary unlock key top with the corresponding part of said auxilliary unlock key (5); At lock core (2) directly upwards, greater than the depth S 2 and width K2 of auxilliary groove (22), the height G3 of lug is then greater than the height G2 that assists unlock key (5) respectively for the depth S 3 of lug grooves (28) and width K3; Offer at the edge of each page sheet (11) can ccontaining auxilliary unlock key (5) root auxilliary groove (17); The restriction groove (23) that one or more can make auxilliary unlock key root free in and out is offered in a side or both sides at described auxilliary groove (17); During locking, lug (27), auxilliary unlock key (5) are connected lock core (2) with shell (1); When normally unblanking, auxilliary unlock key (5) divides sequencing to break away from shell (1) with lug (27) successively, and auxilliary unlock key (5) falls into the auxilliary groove (17) of each page sheet (11) earlier, and lug (27) skids off in lug grooves (28) the entering lock core (2) subsequently.
10. theftproof lock tapered end according to claim 10 is characterized in that: the shape of described auxilliary groove (22) on radial section is perhaps
type of
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 |
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| 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 true CN102535972A (en) | 2012-07-04 |
| CN102535972B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104832001A (en) * | 2015-01-21 | 2015-08-12 | 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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| CN109025502A (en) * | 2018-10-19 | 2018-12-18 | 葛广成 | A kind of blade inserting blade lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102535972B (en) | 2014-03-26 |
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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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