CN102287083B - Lock cylinder for preventing technical unlocking - Google Patents
Lock cylinder for preventing technical unlocking Download PDFInfo
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- CN102287083B CN102287083B CN 201110134943 CN201110134943A CN102287083B CN 102287083 B CN102287083 B CN 102287083B CN 201110134943 CN201110134943 CN 201110134943 CN 201110134943 A CN201110134943 A CN 201110134943A CN 102287083 B CN102287083 B CN 102287083B
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- marble hole
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Abstract
The invention discloses a lock cylinder for preventing technical unlocking. The upper part of a lock body is provided with a guide slide hole transversely penetrating through the lock body, the bottom of the guide slide hole is provided with a vertical hole, the side wall of the lock body is provided with an open slot, a sliding block is in clearance fit with the inside of the open slot, locking teeth are arranged on the sliding block, a lock body marble is provided with locking teeth and an unlocking positioning groove which are opposite to those of the sliding block, a guide part is arranged on the sliding block and is in clearance with the guide slide hole, the lock body is provided with a reset spring which is in contact with the guide part of the sliding block, the guide part is provided with a guide incline, a cylinder body is provided with a groove corresponding to the vertical hole which is internally provided with a movable convex piece, the upper part of the movable convex piece is in contact with the guide incline of the guide part of the sliding block, the lower part of the movable convex piece is provided with an ascending guide part enabling the movable convex piece to linearly ascend, and the ascending guide part is inserted into the groove of the cylinder body to be in contact with the mouth edge of the groove. The lock cylinder can be used for preventing from being technically unlocked by adopting other unlocking tools except for a key of the lock cylinder, ensuring the safety of the lock cylinder, and improving the anti-theft effect.
Description
Technical field
The present invention relates to a kind of lock core of cylinder lock, particularly a kind of lock core that prevents skilled unlocking.
Background technology
Although the keyhole of the lock core of cylinder lock has the difference of sheet key hole and cross keyhole at present, but all be by being located at many in lock body and the core body pellet different in size to be consisted of one group of password, the tooth that on the key setting and the spring concealed puzzle of unblanking matches, live pellet by the different tooth top of these height on the key, make the contact surface between each two right pellet be in straight line, core body can be rotated in lock body, lock is opened.But these cylinder locks all can be used special-purpose unlocking tool in the situation of not using original key, prize the core body pellet such as cooperations such as crowbar, probes, and the fine rotation core body blocks core body pellet position, the realization skilled unlocking, stay the hidden danger of skilled unlocking, anti-theft effect is poor.Trace it to its cause, because existing cylinder of spring lock is for increasing the difficulty of skilled unlocking, all be that billiards structure in core body improves, be CN101597976A " a kind of ball lock head of anti-skilled unlocking " such as publication number, with publication number be CN101597971A the lock core structure of technical lock set " anti-", this class lock core arranges the V-type groove by the pellet side at core body, at the pellet side locking side column is set, at lock body the groove that the locking side column rear end can be inserted is set, locking side column is under the thrust of the spring of rear end setting, and its front end contacts with pellet.When unblanking with original key, key makes the V-type groove alignment of each pellet of core body, and the front end of locking side column inserts under the thrust of spring in the V-type groove, and the rear end breaks away from the lock body groove, and core body can be realized rotation, and lock is opened; If locking side column is not inserted the V-type groove, the locking side column rear end does not also break away from the lock body groove fully, and core body just can not rotate freely.Although structure has increased the difficulty of skilled unlocking; but for guarantee core body pellet and side column etc. can be in core body flexible motion; gap between they and the core body is generally about 0.1mm; even larger; the ability normal activity; do not form clamping stagnation, otherwise will cause these movable parts can not flexible motion, namely use the original key yet difficulty of unblanking.And, in the making process of each component of lock core, also cause the excesssive gap of pellet and side column and core body because of the mismachining tolerance of objective reality.Simultaneously because leaving the space of shift position between locking side column rear end and the lock body groove, the locking side column rear end is under the effect of the spring of both sides, all the time grant pressure to the pellet direction, whenever stir a pellet, the V-type groove of this pellet is blocked by side column through locking side column the time, no longer return, make it to be blocked by side column by stirring one by one pellet, just can make the V-type groove alignment of each pellet, allow locking side column under the thrust of spring, insert the V-type groove of pellet fully.Because the existence of these odjective causes, and communicate with keyhole because of the marble hole of core body, the people that technical application is unblanked can adopt instrument, by rule of thumb the pellet in the core body is implemented control, locking side column is inserted in the V-type groove of pellet in the core body gradually, the present situation that causes existing cylinder lock to be opened by skilled unlocking under the thrust of spring.How to solve the problem that cylinder lock can not be opened by skilled unlocking, be that the lockmaking industry is sought for and solved and open question for a long time always.
Summary of the invention
The objective of the invention is the deficiency for the prior art existence, a kind of lock core that prevents skilled unlocking is provided.It is by arranging the guiding slide opening that laterally runs through lock body on lock body top, the lock body upper portion side wall arranges open slot, be combined be used to the slide block that prevents skilled unlocking in the open slot intermediate gap, the locating slot of unblanking that inserts for slide block is set at lock spring, and at lock spring and slide block stop tooth is set, and between the groove of the guide part of slide block and core body, be provided for promoting the movable jacking block of slide block transverse shifting, can effectively prevent skilled unlocking.
The object of the present invention is achieved like this: comprise lock body and cylindrical core body, the cylindrical core body matched in clearance is in the hole of the installation core body that lock body is provided with, described core body is axially arranged with keyhole, core body radially is provided with the core body marble hole and communicates with keyhole, the core body pellet is loaded in the core body marble hole, described lock body at least top is provided with lock marble hole, lock marble hole communicates with the core body marble hole is corresponding, lock spring is loaded in the lock marble hole and insert in the core body marble hole hypomere part, it is characterized in that: described lock body top is provided with at least one guiding slide opening that laterally runs through lock body, the lock body upper portion side wall is provided with at least one open slot, this open slot extends laterally in guiding slide opening and the lock marble hole, the open slot intermediate gap is combined be used to the slide block that prevents skilled unlocking, this slider surface is provided with stop tooth to the end face of lock marble hole, described lock spring is provided with stop tooth and unblanks locating slot and slide block in opposite directions for what slide block inserted, described slide block is provided with at least one guide part that makes the slide block transverse shifting, this guide part and the corresponding and matched in clearance of guiding slide opening that laterally runs through lock body, back-moving spring is set on the lock body to be contacted with the guide part of slide block, the bottom of described guide part is provided with the guiding surface that slide block is moved to the lock spring direction, described guiding slide opening bottom arranges vertical hole and is communicated with the hole that core body is installed, described core body is provided with the corresponding vertically hole of groove, vertically the intermediate gap, hole is combined with for the movable jacking block that promotes the slide block transverse shifting, the top of this activity jacking block contacts with the guiding surface of slider guide section, the bottom of movable jacking block is set to the rising guide part that makes movable jacking block be in line and rise under core body rotates, this rising guide part inserts in the groove of core body, and the guide edge of rising guide part contacts with the peristoma of groove.
The ratchet that described stop tooth moves upward for being used for the restriction lock spring.
The irregular tooth that described stop tooth moves upward for being used for the restriction lock spring.
Described core body marble hole is less than lock marble hole, and the local hypomere that inserts in the core body marble hole of lock spring is less than lock spring epimere sectional area, and the length that each lock spring inserts the hypomere in the core body marble hole is not identical.
Lock marble hole and core body marble hole are rectangular opening, described lock spring and core body pellet are the rectangular column pellet, the stop tooth of lock spring and the locating slot of unblanking that supplies slide block to insert are located at lock spring on the wall of slide block, stop tooth is located at respectively the upper and lower of the locating slot of unblanking that inserts for slide block, the upper and lower end of core body pellet all is made as cambered surface, and the cambered surface of upper and lower end is spatial intersecting.
Lock marble hole and core body marble hole are circular port, described lock spring and core body pellet are cylindrical billiard, the stop tooth of lock spring and the locating slot of unblanking that supplies slide block to insert are located on the lock spring wall, stop tooth is located at respectively the upper and lower of the locating slot of unblanking that inserts for slide block, and the upper and lower end of core body pellet all is made as sphere.
A guide part that makes the slide block transverse shifting is set on the described slide block be used to preventing skilled unlocking, the middle part that this guide part is positioned at slide block is horizontal expansion, a guiding slide opening matched in clearance that laterally runs through lock body of the corresponding setting with lock body top of this guide part arranges a vertical hole bottom the groove correspondence guiding slide opening on the core body.
For on the slide block that prevents skilled unlocking two guide parts that make the slide block transverse shifting being set, two that two guide parts are positioned at respectively slide block is horizontal expansion, two guide parts are two guiding slide opening matched in clearance that laterally run through lock body of corresponding setting with lock body top respectively, and the respectively vertical holes of corresponding two guiding slide openings bottoms of two grooves are set on the core body.
The left and right sides sidewall on lock body top respectively is provided with an open slot, two open slots extend laterally to respectively in guiding slide opening and the lock marble hole, in each open slot respectively matched in clearance be useful on the slide block that prevents skilled unlocking, each slider surface is provided with stop tooth to the end face of lock marble hole, be arranged on back-moving spring on the lock body between the guide part of two slide blocks, leave mobile space between the guide part of two slide blocks, the guide part bottom of two slide blocks is equipped with the guiding surface that slide block is moved to the lock spring direction, the top that is used for the movable jacking block of promotion slide block transverse shifting is made as trapeze cut, two inclined-planes of this trapeze cut contact with the guiding surface of the guide part bottom of two slide blocks respectively, the locating slot of unblanking that the lock spring that is equipped with in the lock marble hole is provided with stop tooth and inserts for two slide blocks respectively.
The circumference of described cylindrical core body arranges many rows core body marble hole radially and communicates with keyhole, and the many row lock marble hole corresponding with core body is set on the described lock body.
Owing to adopted such scheme, the present invention to prevent that the lock core of skilled unlocking from having the following advantages:
1. be provided with the guiding slide opening that at least one laterally runs through lock body on described lock body top, the lock body upper portion side wall is provided with at least one open slot, this open slot extends laterally in guiding slide opening and the lock marble hole, the open slot intermediate gap is combined be used to the slide block that prevents skilled unlocking, this slider surface is provided with stop tooth to the end face of lock marble hole, described lock spring is provided with stop tooth and unblanks locating slot and slide block in opposite directions for what slide block inserted, described slide block is provided with at least one guide part that makes the slide block transverse shifting, this guide part and the corresponding and matched in clearance of guiding slide opening that laterally runs through lock body arrange back-moving spring and contact with the guide part of slide block on the lock body.When lock core is in the lock state, the lock spring hypomere of installing in the lock marble hole is local to be inserted in the core body marble hole, the slide block that is used for preventing skilled unlocking under the effect of back-moving spring with the separated attitude of lock spring, the open slot position that arranges on unblank locating slot and the lock body for the slide block insertion on the lock spring staggers, only have with being provided with and open this lock core cipher tooth, the key of groove inserts keyhole, the lock spring that will insert in the core body marble hole by this key promotion core body pellet ejects the core body marble hole fully, the open slot position that arranges on unblank locating slot and the lock body on the lock spring is alignd, allow and to enter the locating slot of unblanking be used to the slide block that prevents skilled unlocking, and make simultaneously the core body can flexible rotating, just can unlock opens lock core.Open this lock core cipher tooth if need not be provided with, the key unlocking of groove, but the mode of employing skilled unlocking, as long as the locating slot of unblanking on the lock spring can not align with the open slot position that arranges on the lock body, the slide block that is used for preventing skilled unlocking can not enter the locating slot of unblanking on the lock spring when mobile, stop tooth on the slide block will with lock spring on stop tooth engagement, lock spring is stuck, lock spring can not be moved again, lock spring just can not withdraw from the core body marble hole fully, the locking of lock core can not be removed, core body also just can not rotate again, and therefore lock core also can not be opened.
2. the bottom of the guide part that makes the slide block transverse shifting that is used for preventing the slide block of skilled unlocking is provided with the guiding surface that slide block is moved to the lock spring direction, described guiding slide opening bottom arranges vertical hole and is communicated with the hole that core body is installed, described core body is provided with the corresponding vertically hole of groove, vertically the intermediate gap, hole is combined with for the movable jacking block that promotes the slide block transverse shifting, the top of this activity jacking block contacts with the guiding surface of slider guide section, the bottom of movable jacking block is set to the rising guide part that makes movable jacking block be in line and rise under core body rotates, this rising guide part inserts in the groove of core body, and the guide edge of rising guide part contacts with the peristoma of groove.This structure makes core body in case rotate, even slight rotation, the peristoma of core body upper groove all can make by the rising guide part that promotes movable jacking block movable jacking block along vertically rising on the hole, make edge, movable jacking block top make the guiding surface of the guide part of slide block transverse shifting promote slide block and move to lock spring, contact with lock spring.Therefore only have with being provided with the key of opening this lock core cipher tooth, groove and insert keyhole, at first the motion promotion lock spring by the core body pellet normally moves upward, the open slot position that arranges on unblank locating slot and the lock body on the lock spring is alignd, allow and to enter the locating slot of unblanking be used to the slide block that prevents skilled unlocking, could remove the locking of lock core, rotate core body; When rotating core body, because the open slot position that arranges on unblank locating slot and the lock body on the lock spring is alignd, core body can move upward by promotion activity jacking block when rotating swimmingly, the slide block that promote to be used for preventing skilled unlocking inserts the locating slot of unblanking on the lock spring swimmingly, and lock spring temporarily is positioned at lockset position of coupler, make the core body can flexible rotating, so just opening lock master smoothly.If employing skilled unlocking, as long as core body has fine rotation, the capital makes movable jacking block rising promote slide block and moves, make stop tooth on the slide block when the locating slot of unblanking of lock spring does not also align with the open slot position that lock body arranges, just with lock spring on stop tooth form engagement, make lock spring can not withdraw from the core body marble hole fully, therefore core body also can not be rotated further.Owing to movable jacking block with for preventing that the slide block of skilled unlocking from can relatively independently move, can form linkage interlocked mechanism again, especially in case form interlocking, just only have the instrument with used skilled unlocking from keyhole, to withdraw from, just can re-start next time skilled unlocking action, but after the instrument of skilled unlocking withdraws from keyhole, under the action of reset spring of slide block and under the spring action of lock spring, lock spring and core body pellet will all playback and keep the lock-out state of lock core, therefore adopt the mode of skilled unlocking, be to open lock core of the present invention at all, thoroughly stopped the possibility of skilled unlocking.
3. the stop tooth that the slider surface that is used for preventing skilled unlocking is provided with to the end face of lock marble hole, and the stop tooth that is provided with of lock spring, adopt and be used for the ratchet that the restriction lock spring moves upward, it is limited that lock spring is moved upward in the situation of skilled unlocking, and easy when falling after rise downwards.Especially the stop tooth on slide block and the lock spring adopts and is used for the irregular tooth that the restriction lock spring moves upward, especially the engagement regularity of stop tooth is upset, allow and adopt the people of skilled unlocking can't find the jammed rule of lock spring and sensation accurately, it can't be unblanked by completing technology.
4. the circumference of cylindrical core body that prevents the lock core of skilled unlocking arranges many rows core body marble holes radially and communicates with keyhole, the many row lock marble hole corresponding with core body is set on the lock body, especially after increasing to a quantity of arranging marble hole more than 6 or 6, can allow the increase of key cipher amount more, be conducive to the phenomenon of avoiding key cipher identical.
The present invention prevents that the structure of lock core of skilled unlocking is unique, ingenious, and the effect of anti-skilled unlocking is high, guarantees the safety of lock, can greatly improve anti-theft effect.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is lock core structure schematic diagram of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is that the B-B of Fig. 1 is to sectional view;
Fig. 4 is that the C of Fig. 2 lock body is to view;
Fig. 5 is that the D of Fig. 2 is to view;
Fig. 6 is core schematic diagram of the present invention;
Fig. 7 is the top view of slide block of the present invention;
Fig. 8 is that the E-E of Fig. 7 is to sectional view;
Fig. 9 is lock spring structural representation of the present invention;
Figure 10 is movable top block structure schematic diagram of the present invention;
Figure 11 is the another kind of embodiment that movable jacking block of the present invention and slide block cooperate;
Figure 12 is another embodiment of slide block of the present invention.
In the accompanying drawing, 1 is lock body, and 1a is for installing the hole of core body, 2 is slide block, and 2a is guide part, and 2b is guiding surface, 3 is movable jacking block, and 3a is the rising guide part, and 3b is trapeze cut, 4 is core body, and 5 is keyhole, and 6 is the core body pellet, 7 is lock spring, and 7a is the locating slot of unblanking, and 7b is for inserting the hypomere in the core body marble hole, 8 is lock marble hole, 9 is Compress Spring, and 10 is pressing plate, and 11 is back-moving spring, 12 is open slot, 13 are the guiding slide opening, and 14 is vertical hole, and 15 is groove, 16 is the core body marble hole, and 17 is stop tooth.
The specific embodiment
Referring to Fig. 1 to Figure 10, the present invention prevents a kind of embodiment of the lock core of skilled unlocking.Comprise lock body 1 and cylindrical core body 4, cylindrical core body 4 matched in clearance are in the hole 1a of the installation core body that lock body 1 is provided with, described core body 4 is axially arranged with keyhole 5, core body 4 radially is provided with row's core body marble hole 16 and communicates with keyhole 5, the quantity of this row's core body marble hole 16 is 6,6 core body pellets 6 different in size are loaded on respectively in each core body marble hole 16, described lock body 1 top is provided with row's lock marble hole 8, the quantity of this row's lock marble hole 8 is similarly 6, each lock marble hole 8 respectively with core body marble hole 16 corresponding communicating, 6 lock springs 7 are loaded on respectively in each lock marble hole, and the hypomere of each lock spring 7 is local to be inserted in the core body marble hole 8.Described core body marble hole 16 is less than lock marble hole 8, the 7 local hypomere 7b that insert in the core body marble hole are less than lock spring epimere sectional area for lock spring, the length that each lock spring 7 inserts the hypomere 7b in the core body marble hole is not identical, thereby makes the degree of depth of each lock spring insertion core body marble hole not identical.After lock spring was packed in the lock marble hole, the top of each lock spring all arranged a Compress Spring 9, lock spring is moved upward after, can under the elastic force effect of Compress Spring 9, move downward return.It is spacing with Compress Spring 9 that a pressing plate 10 is fixed in lock body 1 upper end, and this pressing plate 10 inserts in the draw-in groove that arranges on the lock body fixing, perhaps is screwed in the lock body upper end.Described lock body 1 top is provided with the front and rear that guiding slide opening 13 that two 13, two of guiding slide openings that laterally run through lock body laterally run through lock body lays respectively at lock body 1, is 6 lock marble holes 8 between the guiding slide opening 13 that two laterally run through lock body.Described lock body 1 upper portion side wall is provided with an open slot 12, this open slot 12 extends laterally in guiding slide opening 13 and the lock marble hole 8, open slot 12 intermediate gaps are combined be used to the slide block 2 that prevents skilled unlocking, and this slide block 2 is provided with stop tooth 17 towards the end face of lock marble hole.Described lock spring 7 is provided with stop tooth 17 and unblanks locating slot 7a and slide block in opposite directions for what slide block 2 inserted, the locating slot 7a that unblanks of each lock spring 7 is in the position in when locking and the position of lock body 1 upper shed groove 12 is the dislocation state at lock core, the locating slot 7a that unblanks is identical with the distance that the hypomere of this lock spring inserts the core body marble hole to the stroke distances of aligned openings groove 12, the distance that lock spring 7 moves up in lock marble hole 8 is less than the upper segment length of the locating slot 7a that unblanks that stop tooth 17 and 2 insertions of confession slide block are set of lock spring, but greater than the stroke distances of locating slot 7a to aligned openings groove 12 of unblanking, make like this stop tooth 17 that arranges on the lock spring 7 can not cross slide block 2 fully, avoid when skilled unlocking the epimere of lock spring was pushed up open slot 12, when making slide block 2 transverse movement, the stop tooth on the slide block can't with lock spring on stop tooth form engagement stop.The ratchet that stop tooth 17 on the described slide block 2 and the stop tooth on the lock spring 7 17 move upward for being used for the restriction lock spring, its effect more is better than adopting general tooth.Described slide block 2 is provided with two guide part 2a that make the slide block transverse shifting, two that two guide part 2a lay respectively at slide block 2 is horizontal expansion, two guiding slide opening 13 corresponding and matched in clearance that laterally run through lock body that two guide part 2a arrange with lock body 1 top respectively.Back-moving spring 11 is set on the lock body 1 to be contacted with the guide part 2a of slide block 2, this back-moving spring 11 adopts spring leaf, spring leaf is fixed on the sidewall opposite with the sidewall that is provided with open slot, the middle part of spring leaf is stuck in the draw-in groove that arranges on the lock body 1, the free end at spring leaf two ends contacts with the guide part 2a of slide block 2, after making the slide block transverse shifting, can under the elastic force effect of spring leaf, reset.The bottom of described guide part 2a is provided with the guiding surface 2b that slide block is moved to the lock spring direction, described guiding slide opening 13 bottoms arrange vertical hole 14 and are communicated with the hole 1a that core body is installed, described core body 4 is provided with groove 15 corresponding vertically holes 14, vertically 14 intermediate gaps, hole are combined with for the movable jacking block 3 that promotes the slide block transverse shifting, the top of this activity jacking block 3 contacts with the guiding surface 2b of slider guide section, the bottom of movable jacking block 3 is set to the rising guide part 3a that makes movable jacking block 3 be in line and rise under core body rotates, this rising guide part 3a inserts in the groove 15 of core body 4, and the guide edge of rising guide part 3a contacts with the peristoma of groove 15.Described movable jacking block 3 tops are provided with the inclined-plane that the guiding surface 2b with slider guide section matches, and when being convenient to movable jacking block 3 and moving upward, promote slide block 2 transverse shiftings along guiding surface; The rising guide part 3a of the bottom of movable jacking block 3 is made as and is similar to leg-of-mutton curve, perhaps be made as trapezoidal, leg-of-mutton drift angle limit or two trapezoidal waists can be contacted with the peristoma of core body upper groove form motion guide, utilize the rotation promotion activity jacking block of core body to form rectilinear motion upwards.Groove 15 on the described core body 4 is set to blind slot, makes the position of movable jacking block have disguise, its best results, but be set to the effect that groove also can reach promotion activity jacking block for easy to process, and do not affect the safety that prevents skilled unlocking.Described lock marble hole 8 and core body marble hole 16 are rectangular opening, described lock spring 7 and core body pellet 6 are the rectangular column pellet, the stop tooth 17 of lock spring and the locating slot 7a that unblanks that inserts for slide block are located at lock spring 7 on the wall of slide block 2, stop tooth 17 is located at respectively the upper and lower of the locating slot 7a that unblanks that inserts for slide block, when being conducive to like this be assemblied in pellet in the marble hole, the locating slot 7a that unblanks that makes the stop tooth 17 on the lock spring and supply slide block to insert faces toward the direction for the slide block 2 and the lock body upper shed groove 12 that prevent skilled unlocking; When also making core body pellet 6 fit into core body marble hole 16, can the wrongly installed direction.The upper and lower end of described core body pellet 6 all is made as cambered surface, and the cambered surface of upper and lower end is spatial intersecting, can be easily when being conducive to like this key and inserting keyhole 5, jack-up core body pellet 6 smoothly, and when rotating core body 4, do not have a bit interference.Certainly, described lock marble hole 8 and core body marble hole 16 also can be made as circular port, described lock spring 8 and core body pellet 6 are cylindrical billiard, the stop tooth of lock spring and the locating slot of unblanking that supplies slide block to insert are located on the lock spring wall, stop tooth is located at respectively the upper and lower of the locating slot of unblanking that inserts for slide block, the locating slot of unblanking can be processed into cannelure, and the upper and lower end of core body pellet all is made as sphere, can prevent skilled unlocking equally.
The present invention not only is confined to above-described embodiment, it is for the stop tooth on the slide block that prevents skilled unlocking and the stop tooth on the lock spring, can be set to for the irregular tooth that moves upward of restriction lock spring, this irregular tooth can form by mechanical annular knurl mode, because the distribution of irregular tooth is irregular and height tooth is different in size, the people of skilled unlocking is sought less than stirring the regularity of pellet to the enable possition at all, can't feel that also lock spring arrives the information of enable possition, causes skilled unlocking to finish.
Referring to Figure 12, the present invention not only is confined to above-described embodiment, a guide part 2a who makes the slide block transverse shifting also can only be set on the described slide block 2 be used to preventing skilled unlocking, the middle part that this guide part is positioned at slide block 2 is horizontal expansion, a guiding slide opening matched in clearance that laterally runs through lock body of the corresponding setting with lock body top of this guide part arranges a vertical hole bottom the groove correspondence guiding slide opening on the core body.
Referring to Figure 11, the present invention also not only is confined to above-described embodiment, also can respectively be provided with at the left and right sides sidewall on described lock body top an open slot, two open slots extend laterally to respectively in guiding slide opening and the lock marble hole, in each open slot respectively matched in clearance be useful on the cunning that prevents skilled unlocking, 2, each slider surface is provided with stop tooth to the end face of lock marble hole, be arranged on back-moving spring 11 on the lock body between the guide part of two slide blocks, this back-moving spring 11 adopts Compress Spring, leave mobile space between the guide part that two cunnings are 2, the guide part 2a bottom of two slide blocks 2 is equipped with the guiding surface 2b that slide block is moved to the lock spring direction, the top that is used for the movable jacking block of promotion slide block transverse shifting is made as trapeze cut 3b, two inclined-planes of this trapeze cut 3b contact with the guiding surface 2b of the guide part bottom of two slide blocks respectively, the locating slot of unblanking that the lock spring that is equipped with in the lock marble hole is provided with stop tooth and inserts for two slide blocks respectively.
Core body marble hole 16 of the present invention and lock marble hole 8 not only are confined to 6, also can according to the size of lock body, one or more be set respectively.For the making that makes key cipher can not repeat, avoid occurring the key of same password, many rows core body marble hole radially also can be set at the circumference of described cylindrical core body communicate with keyhole, at described lock body the many row lock marble hole corresponding with core body is set.And key also just can adopt many row's password teeth, such as the template key of two sides password tooth, or the cross key.
The present invention prevents that the use state of the lock core of skilled unlocking from being, after lock core assembles, lock core is in the lock state, be used for preventing that the slide block of skilled unlocking from not contacting with lock spring, when behind the key that inserts this lock, unblanking, the core body pellet promotes lock spring and moves up, slide block does not contact with pellet during initial position, in case rotation core body, movable jacking block moves upward and promotes the slide block transverse shifting, slide block is inserted in the locating slot of unblanking for the slide block insertion of lock spring, and core body just can be rotated in place, and realizes unblanking.If without this lock key, adopt skilled unlocking, as long as rotate a little core body, movable jacking block will promote slide block and move, stop tooth on the slide block is contacted with stop tooth on the lock spring form engagement, lock spring can not be moved again, and core body can not be rotated further, and forms double locking, guarantee that lock core can not be unlocked, stopped to adopt the possibility of skilled unlocking fully, its security performance is high, and anti-theft effect is fabulous.
Claims (10)
1. lock core that prevents skilled unlocking, comprise lock body and cylindrical core body, the cylindrical core body matched in clearance is in the hole of the installation core body that lock body is provided with, described core body is axially arranged with keyhole, core body radially is provided with the core body marble hole and communicates with keyhole, the core body pellet is loaded in the core body marble hole, described lock body at least top is provided with lock marble hole, lock marble hole communicates with the core body marble hole is corresponding, lock spring is loaded in the lock marble hole and insert in the core body marble hole hypomere part, it is characterized in that: described lock body top is provided with at least one guiding slide opening that laterally runs through lock body, the lock body upper portion side wall is provided with at least one open slot, this open slot extends laterally in guiding slide opening and the lock marble hole, the open slot intermediate gap is combined be used to the slide block that prevents skilled unlocking, this slider surface is provided with stop tooth to the end face of lock marble hole, described lock spring is provided with stop tooth and unblanks locating slot and slide block in opposite directions for what slide block inserted, described slide block is provided with at least one guide part that makes the slide block transverse shifting, this guide part and the corresponding and matched in clearance of guiding slide opening that laterally runs through lock body, back-moving spring is set on the lock body to be contacted with the guide part of slide block, the bottom of described guide part is provided with the guiding surface that slide block is moved to the lock spring direction, described guiding slide opening bottom arranges vertical hole and is communicated with the hole that core body is installed, described core body is provided with the corresponding vertically hole of groove, vertically the intermediate gap, hole is combined with for the movable jacking block that promotes the slide block transverse shifting, the top of this activity jacking block contacts with the guiding surface of slider guide section, the bottom of movable jacking block is set to the rising guide part that makes movable jacking block be in line and rise under core body rotates, this rising guide part inserts in the groove of core body, and the guide edge of rising guide part contacts with the peristoma of groove.
2. the lock core that prevents skilled unlocking according to claim 1 is characterized in that: the ratchet that described stop tooth moves upward for being used for the restriction lock spring.
3. the lock core that prevents skilled unlocking according to claim 1 is characterized in that: the irregular tooth that described stop tooth moves upward for being used for the restriction lock spring.
4. the lock core that prevents skilled unlocking according to claim 1, it is characterized in that: described core body marble hole is less than lock marble hole, the local hypomere that inserts in the core body marble hole of lock spring is less than lock spring epimere sectional area, and the length that each lock spring inserts the hypomere in the core body marble hole is not identical.
5. arbitrary described lock core that prevents skilled unlocking according to claim 1～4, it is characterized in that: lock marble hole and core body marble hole are rectangular opening, described lock spring and core body pellet are the rectangular column pellet, the stop tooth of lock spring and the locating slot of unblanking that supplies slide block to insert are located at lock spring on the wall of slide block, stop tooth is located at respectively the upper and lower of the locating slot of unblanking that inserts for slide block, the upper and lower end of core body pellet all is made as cambered surface, and the cambered surface of upper and lower end is spatial intersecting.
6. arbitrary described lock core that prevents skilled unlocking according to claim 1～4, it is characterized in that: lock marble hole and core body marble hole are circular port, described lock spring and core body pellet are cylindrical billiard, the stop tooth of lock spring and the locating slot of unblanking that supplies slide block to insert are located on the lock spring wall, stop tooth is located at respectively the upper and lower of the locating slot of unblanking that inserts for slide block, and the upper and lower end of core body pellet all is made as sphere.
7. the lock core that prevents skilled unlocking according to claim 1, it is characterized in that: a guide part that makes the slide block transverse shifting is set on the described slide block be used to preventing skilled unlocking, the middle part that this guide part is positioned at slide block is horizontal expansion, a guiding slide opening matched in clearance that laterally runs through lock body of the corresponding setting with lock body top of this guide part arranges a vertical hole bottom the groove correspondence guiding slide opening on the core body.
8. the lock core that prevents skilled unlocking according to claim 1, it is characterized in that: on the slide block that prevents skilled unlocking two guide parts that make the slide block transverse shifting being set, two that two guide parts are positioned at respectively slide block is horizontal expansion, two guide parts are two guiding slide opening matched in clearance that laterally run through lock body of corresponding setting with lock body top respectively, and the respectively vertical holes of corresponding two guiding slide openings bottoms of two grooves are set on the core body.
9. the lock core that prevents skilled unlocking according to claim 1, it is characterized in that: the left and right sides sidewall on lock body top respectively is provided with an open slot, two open slots extend laterally to respectively in guiding slide opening and the lock marble hole, in each open slot respectively matched in clearance be useful on the slide block that prevents skilled unlocking, each slider surface is provided with stop tooth to the end face of lock marble hole, be arranged on back-moving spring on the lock body between the guide part of two slide blocks, leave mobile space between the guide part of two slide blocks, the guide part bottom of two slide blocks is equipped with the guiding surface that slide block is moved to the lock spring direction, the top that is used for the movable jacking block of promotion slide block transverse shifting is made as trapeze cut, two inclined-planes of this trapeze cut contact with the guiding surface of the guide part bottom of two slide blocks respectively, the locating slot of unblanking that the lock spring that is equipped with in the lock marble hole is provided with stop tooth and inserts for two slide blocks respectively.
10. the lock core that prevents skilled unlocking according to claim 1 is characterized in that: the circumference of described cylindrical core body arranges many rows core body marble holes radially and communicates with keyhole, the setting many row lock marble hole corresponding with core body on the described lock body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110134943 CN102287083B (en) | 2011-05-24 | 2011-05-24 | Lock cylinder for preventing technical unlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110134943 CN102287083B (en) | 2011-05-24 | 2011-05-24 | Lock cylinder for preventing technical unlocking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287083A CN102287083A (en) | 2011-12-21 |
| CN102287083B true CN102287083B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110134943 Expired - Fee Related CN102287083B (en) | 2011-05-24 | 2011-05-24 | Lock cylinder for preventing technical unlocking |
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| Country | Link |
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| CN (1) | CN102287083B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453376B (en) * | 2014-09-04 | 2016-10-12 | 孔令泰 | A kind of electronic lock data-collection unlocking structure preventing skilled unlocking |
| CN108397047A (en) * | 2017-02-05 | 2018-08-14 | 姚韶腾 | A kind of high lock assembly for being resistant to steal the lock core structure and application of the lock structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961386Y (en) * | 2006-06-21 | 2007-10-17 | 肖仲华 | Mechanical spring lock head |
| CN101597976A (en) * | 2009-04-30 | 2009-12-09 | 雷先鸣 | A kind of ball lock head of anti-skilled unlocking |
| CN101597971A (en) * | 2009-04-30 | 2009-12-09 | 雷先鸣 | The lock core structure of anti-technical lock set |
| CN202100070U (en) * | 2011-05-24 | 2012-01-04 | 赵明利 | Lock cylinder capable of preventing technical unlocking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818692Y (en) * | 2005-09-09 | 2006-09-20 | 玛拉峰电子(苏州)有限公司 | Multifunctional lock |
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2011
- 2011-05-24 CN CN 201110134943 patent/CN102287083B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961386Y (en) * | 2006-06-21 | 2007-10-17 | 肖仲华 | Mechanical spring lock head |
| CN101597976A (en) * | 2009-04-30 | 2009-12-09 | 雷先鸣 | A kind of ball lock head of anti-skilled unlocking |
| CN101597971A (en) * | 2009-04-30 | 2009-12-09 | 雷先鸣 | The lock core structure of anti-technical lock set |
| CN202100070U (en) * | 2011-05-24 | 2012-01-04 | 赵明利 | Lock cylinder capable of preventing technical unlocking |
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| CN102287083A (en) | 2011-12-21 |
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