CN104652974A - Burglarproof magnetic push mechanical interlocking lock - Google Patents

Burglarproof magnetic push mechanical interlocking lock Download PDF

Info

Publication number
CN104652974A
CN104652974A CN201510045026.2A CN201510045026A CN104652974A CN 104652974 A CN104652974 A CN 104652974A CN 201510045026 A CN201510045026 A CN 201510045026A CN 104652974 A CN104652974 A CN 104652974A
Authority
CN
China
Prior art keywords
hole
locking
lock core
spring
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201510045026.2A
Other languages
Chinese (zh)
Inventor
徐毓艺
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510045026.2A priority Critical patent/CN104652974A/en
Publication of CN104652974A publication Critical patent/CN104652974A/en
Withdrawn legal-status Critical Current

Links

Abstract

The invention discloses a burglarproof magnetic push mechanical interlocking lock. A rear lock cylinder of the burglarproof magnetic push mechanical interlocking lock is completely separated from a connecting body and a front lock cylinder; the connecting body is arranged in an invisible hole in the front lock cylinder; a connecting hole is formed in the front part of the rear lock cylinder; a connecting tongue is fixed at the rear part of the rear lock cylinder and penetrates through a via hole; the front lock cylinder is locked in a locking hole by a locking post; a magnetic push lock and an attracting lock are hidden in a lock body and the rear lock cylinder and lock the rear lock cylinder. The burglarproof magnetic push mechanical interlocking lock integrates the functions of mechanical interlocking, hiding as well as hiding of the connection between the front lock cylinder and the rear lock cylinder, so a thief cannot finish the operations of opening a side locking device and rotating the rear lock cylinder at the same time; even if the locking post is damaged by a barbarous means, only the front lock cylinder can be rotated; in addition, the rear lock cylinder is locked by the magnetic push lock and the attracting lock, so that the rear lock cylinder cannot be rotated, and a burglarproof action is completely realized.

Description

Antitheft magnetic pushes away mechanical interlocked lock
Technical field
A kind of antitheft magnetic that the present invention relates to theftproof lock field pushes away mechanical interlocked lock.
Background technology
The theftproof lock of present use has a variety of, but is all rotate after the key adopted backs down hoodle to drive dead bolt to open theftproof lock substantially, and the theftproof lock not having interlocking and self-locking to combine, causes robber or the king that unblanks is easy to just open theftproof lock.The theftproof lock that robber and the king that unblanks do not open also there is no at present.
Summary of the invention
The object that the present invention relates to be in order to a kind of robber is provided and unblanks that king do not open the asynchronous interlocking of collection, self-locking and mechanical interlocked magnetic that be combined as a whole, high security push away manufacture and the method thereof of theftproof lock.
For achieving the above object, antitheft magnetic of the present invention pushes away the latch system having cylinder lock in mechanical interlocked lock, magnetic key operated lock locking apparatus, synchronized links system, mainly comprise: lock body, front lock core, rear lock core, connector, return spring, connecting hole, connect tongue, spring bearing bore, hold hole, hold spring, hold post, hold head, special bitting hole, special bitting, first magnetic push hole, first magnet, first sliding eye, first pushes to slide bar, locking hole, fore-set, first locking head, first locking spring, second magnetic push hole, second magnet, second sliding eye, spring eye, second locking spring, second locking head, locking bearing bore,
Have in described lock body rear lock core be movably arranged on front lock core rearward end, disconnect completely with front lock core, the rear end of rear lock core is fixed with connection tongue, and connect tongue and be connected with link gear through after the via hole at lock body rear portion, link gear is connected with dead bolt; Described lock body there are sliding eye, magnetic push hole, spring eye, longitudinal locked groove and twist lock groove; Hole, magnetic push hole, sliding eye, spring eye, specially bitting hole and stealthy hole is held in described front lock core; Described synchronized links system comprises stealthy hole, connecting hole and connector, is provided with connector in stealthy hole; Described holding on Kong Qian lock core and lock body is mutually through; The magnetic that described magnetic key operated lock locking apparatus is arranged on lock body and rear lock core pushes away or in attraction channel.
There are lock core hole and via hole in center in described lock body, and described via hole is used to allow and connects hole that tongue passes, rearward end at lock body; Described lock core hole circular hole, before via hole, be divided into front lock core hole and rear lock core hole, the diameter in rear lock core hole is than large between front lock core hole, and front lock core hole is before rear lock core hole; Be provided with front lock core in described front lock core hole, rear lock core is provided with rear lock core in hole, front lock core is arranged on before rear lock core, and the rotating diameter of rear lock core is larger than the rotating diameter of front lock core.The magnetic push hole, the sliding eye that the lock body of the outside of via hole have locking bearing bore and communicates with locking bearing bore, or, the lock body of the outside of via hole has magnetic push hole, sliding eye, spring eye and locking bearing bore; Described locking bearing bore is the bearing bore of the rear lock core hole rearward end of the part that before the ratio outside via hole, the aperture of lock core hole is large, corresponding with the position of the locking hole on rear lock core and communicate; Described magnetic push hole comprises the first magnetic push hole and the second magnetic push hole, the leading section of the lock body outside lock core hole but do not wear out the front end face of lock body, through with sliding eye, for installing magnet and allowing magnet slide in magnetic push hole; Described sliding eye comprises the first sliding eye and the second sliding eye, on lock body after magnetic push hole outside front lock core hole with magnetic push hole and locking hole through, or on the lock body after the magnetic push hole outside front lock core hole with magnetic push hole and spring eye through, push to slide bar slide in sliding eye for installing to push to slide bar and allow; Lock body after the sliding eye of described spring eye outside front lock core hole is worn out the front end face of the part that the diameter of lock core hole is large before rear lock core boring ratio, with sliding eye and locking hole through, push away spring and allow magnetic push away spring at spring eye Analaysis on Elastic Slide and allow for installing magnetic and push to slide the centre that bar pushes away spring from magnetic and pass; For the ease of assembling, described sliding eye can also become the overall straight hole of a continuous print with magnetic push hole; Described spring eye can also become the overall straight hole of a continuous print with sliding eye and magnetic push hole, but in straight hole, want machining clamp spring position, and jump ring position fixes the second locking spring for installing jump ring.Lock body holds hole, and the described hole that holds is bearing bore in lock body or through hole, slides holding in hole for installing to hold spring, hold post and hold head and allow hold head and hold post, corresponding with the position holding hole on front lock core, and communicates; Rotation locked groove is had in the circular hole part of front lock core hole, described rotation locked groove caves in, along the cannelure on lock core hole direction, the groove of cannelure is arcwall face or inclined-plane, corresponding with the position of the rotation slot on front lock core on front lock core hole, for allowing the lock core rotation before movable and locking inside of the locking end of moving block.
Have special bitting hole, stealthy hole in described front lock core and hold hole, described special bitting hole and stealthy hole all the centre that front lock core rotates or close to rotate special bitting hole, centre before stealthy hole; Be provided with connector in described stealthy hole, there is spring bearing bore the front end of connector, is provided with return spring in spring bearing bore.Described holds the surface of revolution and special bitting hole of wearing out front lock core in Kong Qian lock core, communicates with special bitting hole and lock core hole, slides holding in hole for installing to hold head and allow hold head and hold post.
Magnetic key operated lock locking apparatus comprises magnetic to be pushed away locking and attracts locking, and described magnetic pushes away the first magnet of locking and adopts the identical magnetic pole of polarity to be mounted opposite with the key magnet in special bitting, forms magnetic force moving; Second magnet of described attraction locking and the key magnet in special bitting adopt the not identical magnetic pole of polarity to be mounted opposite, and form magnetic force and attract; In a lock, have at least a magnetic to push away locking, or have at least one to attract locking in a lock, or existing magnetic pushes away locking, has attraction locking again in a lock.
Described magnetic pushes away that locking comprises the first magnetic push hole, the first magnet, the first sliding eye, first push to slide bar, locking hole, fore-set, the first locking head, locking bearing bore, the first locking spring; Be provided with in the first magnetic push hole in the first magnet, the first sliding eye and be provided with first and push to slide in bar, locking hole to have in fore-set and the first locking head, locking bearing bore the first locking head and the first locking spring are installed, first magnet is arranged on the front end of the first magnetic push hole, first pushes to slide the rear end that the first magnet was fixed or withstood on to bar, and first what push to slide masthead is below fore-set, locking head and the first locking spring successively.The first described locking head is in locking hole or simultaneously in locking hole and locking bearing bore; When pushing tow key does not insert special bitting hole drawback lock, key magnet in special bitting does not produce repulsive force with the first magnet, fore-set and the first locking head is had in locking hole, the first locking head and the first locking spring is had in locking bearing bore, first locking head, simultaneously in locking hole and locking bearing bore internal lock rear lock core in the dust, makes rear lock core rotate; When pushing tow key inserts special bitting hole drawback lock, key magnet in special bitting and the first magnet produce repulsive force and promote first and push to slide bar, fore-set and the first locking head, after making the first locking head compress the first locking spring, in locking hole, there is fore-set and first to push to slide in bar, locking bearing bore have the first locking head and the first locking spring, locking head enters in locking bearing bore completely, removes the locking to rear lock core.
Described attraction locking comprises the second magnetic push hole, the second magnet, the second sliding eye, spring eye, the second locking spring, locking hole, the second locking head; Be provided with in the second magnetic push hole in the second magnet, the second sliding eye be provided with second push to slide in bar, spring eye the second locking spring is installed, the second locking head is arranged in spring eye and locking hole, second magnet is arranged on the rear end of the second magnetic push hole, second pushes to slide bar being fixedly connected with the second magnet at the second magnet below, second pushes to slide bar is fixedly connected with the second locking head through after the second locking spring in spring eye, and second pushes to slide bar and the second magnet and the second locking head is connected in one.The second described locking head is in spring eye or simultaneously in spring eye and locking hole; When pushing tow key does not insert special bitting hole drawback lock, the key magnet in special bitting does not produce attraction with the second magnet, the second locking head simultaneously in locking hole with spring eye internal lock rear lock core in the dust, rear lock core can not be rotated; When pushing tow key inserts special bitting hole drawback lock, key magnet in special bitting and the second magnet produce attraction and pull second to push to slide bar, second pushes to slide after bar drives the second locking head to compress the second locking spring, second locking head exits in locking hole and enters completely in spring eye, removes the locking to rear lock core.
Locking head is cylinder, comprises the first locking head and the second locking head, can not rotate for locking rear lock core with front lock core.
Locking spring is stage clip, comprises the first locking spring and the second locking spring, and the first described locking spring is the locking power source that the first magnetic pushes away locking, and the second described locking spring is the locking power source of the second attraction locking.
Described fore-set is cylinder or spheroid or ellipsoid, for transmit the first sliding bar pass the power of coming and the power transmission of the first locking spring to catch bar.
The rear lock core of the part that described locking hole is larger than front lock core outside connecting hole runs through through hole or the bearing bore of the front/rear end of rear lock core, when being through hole, for holding fore-set and the first locking head and fore-set and the first locking head can be moved forward and backward in locking hole; Be bearing bore or through hole time, for holding the second locking head and the second locking head can be moved forward and backward in locking hole.
The center of the rear end of described rear lock core is fixed with and connects tongue through lock body via hole below, and there is the connecting hole of depression the front end of the center of rotation of rear lock core, and the rear lock core of the outside of the connecting hole part larger than the diameter of front lock core has locking hole; Described locking hole is bearing bore or through hole, and the locking hole pushed away in locking at magnetic is through hole, corresponding with the position of sliding eye and locking bearing bore and communicate, and is bearing bore or through hole, corresponding with the position of spring eye and communicate attracting the locking hole in locking; Described connecting hole is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Be with or without spring bearing bore in the bottom of connecting hole, when the bottom of described connecting hole does not have a spring bearing bore, spring bearing bore is located at the rearward end of connector, is provided with return spring in spring bearing bore, and one end of return spring withstands on the bottom of connecting hole; When spring bearing bore arranged at the bottom of described connecting hole, the core that spring bearing bore and connecting hole rotate at rear lock core or the part close to center of rotation, spring bearing bore is later through connecting hole above, be provided with return spring in spring bearing bore, one end of return spring withstands on the rearward end of connector.
When having spring bearing bore in described rear lock core, spring bearing bore is at the connecting hole passed back through above of the bottom of connecting hole; When not having spring bearing bore in described rear lock core, spring bearing bore is in the rearward end of connector; Described spring bearing bore also can simultaneously in the rearward end of connector and the bottom of connecting hole; Described spring bearing bore is bearing bore or blind hole, for installing return spring; Described return spring is spring;
Described connector is one section of connector, the front end of connector coordinates with the front end of pushing tow key can slide in stealthy hole He in connecting hole, when connector slides in stealthy hole, its rear end can be inserted in the connecting hole in rear lock core, for connecting front lock core and rear lock core.
Described special bitting comprises pushing tow key and the shank of the key, pushing tow key is fixed on the shank of the key, be inlaid with key magnet in the previous section of the shank of the key, the polar orientation that polarity and the magnetic of key magnet push away the magnet of locking is contrary, identical with the polar orientation of the magnet attracting locking; The part that pushing tow key inserts the key in special bitting hole has at least on a lateral and have pitch face, pitch face is used for cant and holds head; Described pushing tow key length is longer than the length in special bitting hole, and the part that the length of pushing tow key is longer than special bitting hole is used for promoting connector insertion connecting hole.
In order to increase safety and the disguise of theftproof lock, rear lock core is movably arranged on the rearward end of front lock core, disconnects completely and hiddenly realizes being connected stealth, do not have the insertion of pushing tow key can not connect and transmit power to rear lock core with front lock core; Magnetic key operated lock locking apparatus is hidden in locked rear lock core in lock body and lock core, does not have attraction second magnet of the key magnet in special bitting and promotes the first magnet, can not remove the locking to rear lock core.
In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, magnetic is adopted to push away the first locking head of locking and attract the locked rear lock core of the second locking head of locking to realize magnetic force locking; Before adopting, lock core and rear lock core disconnect being hidden in stealthy hole with connector completely and realize being connected stealth.
When unblanking with special bitting, special bitting hole is inserted with the pushing tow key of special bitting, in the process inserted, pushing tow pitch face on the key oblique compression in special bitting hole hold head and allow hold head after move, promotion moves after holding post, makes to hold post and the junction the holding head intersection at the lock core hole of front lock core and lock body.Pushing tow key is through behind special bitting hole, and the front end of pushing tow key is inserted in stealthy hole and promoted, in connector insertion connecting hole, to complete the connection with front lock core and rear lock core.When the insertion of pushing tow key puts in place, key magnet on the shank of the key and the first magnet produce repulsive force and promote the first magnet, first and push to slide after bar, fore-set and the first locking head compress the first locking spring, and the first locking head enters in locking bearing bore the locking removed rear lock core completely; Meanwhile, key magnet on the shank of the key and the second magnet produce attraction and pull the second magnet and second to push to slide bar, after driving the second locking head to compress the second locking spring, pull the second locking head exit locking hole and enter completely in spring eye, remove the locking to rear lock core.Now, rotate special bitting, rear lock core rotates with front lock core and is with the tongue that is dynamically connected to rotate, and connection lingual ribbon moves link gear and opens dead bolt and unblank.
When pushing tow key exits special bitting hole, the first locking head enters locking hole under the promotion of the first locking spring, and simultaneously in locking bearing bore and locking hole internal lock after death lock core, completes the locking to rear lock core; Second locking head enters locking hole under the promotion of the second locking spring, and simultaneously in spring eye and locking hole internal lock after death lock core, completes the locking to rear lock core; Connector, under the promotion of return spring, exits connecting hole and enters in stealthy hole completely, makes front lock core disconnect completely with rear lock core and can not be connected.
When robber or the king that unblanks unblank with technical tool, stretch in special bitting hole with steel wire and be pressed into hold hole holding head, owing to not knowing have hiding magnetic push away locking and attract locking, magnetic key operated lock locking apparatus can not be opened; Even if what robber or the king that unblanks opened cylinder lock part holds post, have rotated front lock core, but be connected with rear lock core because of the connector in stealthy hole, add the locked rear lock core of magnetic key operated lock locking apparatus, rear lock core can not be rotated.
Robber or unblank king need not specially bitting is unblanked time, enter after not having pushing tow key to insert special bitting hole in stealthy hole promote connector enter in connecting hole, front lock core and rear lock core cannot be made simultaneously to rotate, can not theftproof lock be opened; Do not have the key magnet on the shank of the key promote the first magnet and pull the second magnet can not open magnetic key operated lock locking apparatus, rear lock core cannot be made to rotate; Add the difficulty of pirate of the open lock, thus play the effect of self-locking, stealth and multiple safety.
After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage to hold post, the front lock core of forced rotating, rear lock core is not connected with front lock core because of stealthy and does not rotate with front lock core, plays anti-theft function.
In order to can be real antitheft, before adopting, lock core disconnects completely with rear lock core and realizes being connected stealth; Adopt the locking head of magnetic key operated lock locking apparatus to be hidden in lock core and lock body and realize interlocking stealth; Adopt the first locking head to be hidden in locking hole and locking bearing bore to realize asynchronous locking and magnetic pushes away locking, adopt the second locking head to be hidden in locking hole and spring eye and realize asynchronous locking and magnetic locking.
In order to expand the scope of application, described antitheft magnetic pushes away the place that mechanical interlocked lock is applicable to the antitheft door of all kinds of needs, cabinet and so on and installs and uses, and comprises but is not only limited to installing and using of car door, security door, safety cabinet, strongbox, built-in lock door, built-in lock cabinet and common door and common cabinet.
Described antitheft magnetic pushes away manufacture and the method thereof of mechanical interlocked lock, it is characterized in that:
During fabrication, on lock body, manufacture has lock core hole, via hole, sliding eye, magnetic push hole, spring eye, holds hole and locking bearing bore lock body; Described lock core hole is manufactured on the centre of lock body, create front lock core hole and rear lock core hole, front lock core hole and rear lock core hole create circular hole, front lock core hole is manufactured on the front end face wearing out lock body before rear lock core hole, the diameter that rear lock core hole manufactures is larger than the diameter of front lock core hole, be provided with front lock core in front lock core hole, rear lock core is provided with rear lock core in hole.Have via hole manufacturing of rear lock core hole below, described via hole creates through hole, and the rearward end being manufactured on the rear lock core hole on the center line in rear lock core hole wears out the rear end face of lock body.Described magnetic push hole comprises the first magnetic push hole and the second magnetic push hole, is manufactured on the leading section of the lock body outside front lock core hole, does not wear out the front end face of lock body, through with sliding eye; Described sliding eye comprises the first sliding eye and the second sliding eye, is manufactured on magnetic push hole outside front lock core hole lock body below, with magnetic push hole and locking hole is through or with magnetic push hole and spring eye through; Described spring eye is manufactured on front end face sliding eye outside front lock core hole front lock core below being worn out rear lock core hole, with sliding eye and locking hole through.For the ease of assembling, described sliding eye can also create the overall straight hole of a continuous print with magnetic push hole; Described spring eye can also create the overall straight hole of a continuous print with sliding eye and magnetic push hole, but in straight hole, want machining clamp spring position.The described hole that holds is manufactured on lock body, communicates with the hole that holds on front lock core.Described locking bearing bore is manufactured on the rear lock core hole rearward end of the part that the aperture of lock core hole is large before the ratio outside via hole, creates bearing bore, and to push away the position of the locking hole in locking corresponding and communicate with the magnetic on rear lock core.
Lock core during fabrication, carries out division system lock core and causes front lock core and rear lock core; Described front lock core during fabrication, front lock core manufactures and holds hole, stealthy hole and special bitting hole; The center of rotation position that described special bitting hole and stealthy hole are manufactured on front lock core is connected, specially join stealthy hole above, stealthy hole later; The shape in described special bitting hole and the shape of pushing tow key same or similar, the front portion of stealthy hole and connector is same or similar; The described hole that holds is manufactured on front lock core, communicates with the hole that holds on lock body.
First locking head and the second locking head create cylinder, and the first locking spring and the second locking spring create stage clip, and fore-set creates cylinder or spheroid or ellipsoid.
First magnet and the key magnet in special bitting adopt the identical magnetic pole of polarity to be mounted opposite, and the second magnet and the key magnet in special bitting adopt the not identical magnetic pole of polarity to be mounted opposite.
Rear lock core during fabrication, rear lock core manufactures and has connecting hole, locking hole, described connecting hole is manufactured on the front end face of the center of rotation of rear lock core, create polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove, be manufactured on the center of rotation position of rear lock core, coordinate with the aft section of connector, parallel with lock core hole, can be through with the stealthy hole on front lock core.Described locking hole is manufactured on the rear lock core of part larger than the diameter of front lock core outside connecting hole, create bearing bore or through hole, the locking hole pushed away in locking at magnetic creates through hole, corresponding with the position of sliding eye and locking bearing bore and communicate, and creates bearing bore or through hole, corresponding with the position of spring eye and communicate attracting the locking hole in locking.
In order to enable special bitting unblank, during fabrication, special bitting creates pushing tow key and the shank of the key two parts, is manufactured on the shank of the key by pushing tow key, and the shank of the key is inlaid with key magnet in described special bitting; The polar orientation of the key magnet on described the shank of the key is contrary with the first magnet, identical with the polar orientation of the second magnet; The body keyway portion of described pushing tow key in the special bitting hole of insertion have at least manufacture on a lateral to have pitch face; The length that described pushing tow key manufactures is longer than the length in special bitting hole, and the part that the length of pushing tow key is longer than special bitting hole is used for promoting connector insertion connecting hole; The shape in described special bitting hole creates with the shape of pushing tow key same or similar;
Connector during fabrication, is created the cylinder that the shape of anterior, rear portion consistent with the shape in stealthy hole and connecting hole is consistent, the front end of connector is created the shape that can coordinate with the front end of pushing tow key by described connector.
Spring bearing bore during fabrication, is manufactured on the bottom of connecting hole and passes connecting hole, or spring bearing bore being manufactured on the rearward end of connector, or spring bearing bore is manufactured on the rearward end of connector and the bottom of connecting hole simultaneously by described spring bearing bore; Spring bearing bore is created blind hole or bearing bore, and return spring creates stage clip.
Be provided with front lock core and rear lock core in lock body, rear lock core is movably arranged on the rearward end of front lock core, disconnects completely with front lock core; Described lock body manufactures and holds hole, sliding eye, magnetic push hole and spring eye; Manufacture in described front lock core and hold hole, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; Have connecting hole in described rear lock core, the rear end of rear lock core is fixed with connection tongue, and connect tongue and be connected with link gear through after the via hole at lock body rear portion, link gear is connected with dead bolt.Described hold in hole to be provided with hold spring, hold post and hold head.First magnet is arranged on the front end of the first magnetic push hole, and first pushes to slide the rear end that the first magnet was fixed or withstood on to bar, and first what push to slide masthead is below fore-set, locking head and the first locking spring successively; Second magnet is arranged on the rear end of the second magnetic push hole, second pushes to slide bar being fixedly connected with the second magnet at the second magnet below, second pushes to slide bar is fixedly connected with the second locking head through after the second locking spring in spring eye, and second pushes to slide bar and the second magnet and the second locking head is connected in one.
For the ease of manufacturing and assembling, the manufacture hop count of lock core before changing, the easily manufactured needs of described lock body according to internal construction and the needs of manufacturing process, the segmentation manufacture again near the end or end in stealthy hole of front lock core, or in the segmentation manufacture again of the position of magnetic push hole, or in the segmentation manufacture again of the position of spring eye, front lock core is created entirety or multistage, each section of lock core that segmentation manufactures can synchronous rotary or can separately asynchronous rotation;
In order to manufacture the needs with assembly technology, lock body according to technological requirement and needs, creates entirety lock body during fabrication, or, create multistage at the position of the position in rear lock core hole or magnetic push hole corresponding to front lock core hole.
Antitheft magnetic of the present invention push away mechanical interlocked lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Magnetic pushes away locking and attracts locking to be indistinctly hidden in locked rear lock core in lock body and lock core, front lock core and rear lock core disconnect completely and are hidden in stealthy hole with connector, make robber and Wang Wufa rotation rear lock core of unblanking, achieve integrate asynchronous, interlocking, stealth, self-locking, synchronized links the theftproof lock of several functions, safety parameters is high; Namely be also merely able to rotate front lock core after using barbarous means to damage to hold post, can not rotate be hidden in front lock core below rear lock core, front lock core is rotated and rear lock core non rotating, serves real anti-theft function.
Accompanying drawing explanation
Fig. 1 is that antitheft magnetic of the present invention pushes away mechanical interlocked lock strap and has magnetic to push away the primary structure schematic diagram of locking;
Fig. 2 is the primary structure schematic diagram that antitheft magnetic of the present invention pushes away that mechanical interlocked lock strap has attraction locking;
To be front lock core holding the structural representation in cross section at hole place to Fig. 3;
Fig. 4 is the surface structure schematic diagram of the right view of rear lock core;
Fig. 5 is the surface structure schematic diagram of special bitting.
Shown in figure: lock body 1, front lock core 2, connector 3, spring bearing bore 4, return spring 5, first magnetic push hole 6, first magnet 7, first sliding eye 8, first pushes to slide bar 9, fore-set 10, first locking head 11, first locking spring 12, locking bearing bore 13, rear lock core 14, connect tongue 15, connecting hole 16, pushing tow key 17, pitch face 18, key magnet 19, hold hole 20, hold spring 21, hold post 22, hold 23, spring eye 24, locking hole 25, second magnetic push hole 61, second magnet 71, second sliding eye 81, second pushes to slide bar 91, second locking head 111, second locking spring 121.
Detailed description of the invention
Antitheft magnetic of the present invention pushes away mechanical interlocked lock and mainly comprises lock body 1, front lock core 2, rear lock core 14, connector 3, return spring 5, connecting hole 16, connect tongue 15, spring bearing bore 4, hold hole 20, hold spring 21, hold post 22, hold 23, special bitting hole, special bitting, first magnetic push hole 6, first magnet 7, first sliding eye 8, first pushes to slide bar 9, locking hole 25, fore-set 10, first locking head 11, first locking spring 12, second magnetic push hole 61, second magnet 71, second sliding eye 81, spring eye 24, second locking spring 121, second locking head 111, locking bearing bore 13,
Have in described lock body 1 rear lock core 14 be movably arranged on front lock core 2 rearward end, disconnect completely with front lock core 2, the rear end of rear lock core 14 is fixed with and connects tongue 15, connect tongue 15 to be connected with link gear through after the via hole at lock body 1 rear portion, link gear is connected with dead bolt; Described lock body 1 there are sliding eye, magnetic push hole, spring eye 24, longitudinal locked groove and twist lock groove; Hole 20, magnetic push hole, sliding eye, spring eye 24, specially bitting hole and stealthy hole is held in described front lock core 2; Described synchronized links system comprises stealthy hole, connecting hole 16 and connector 3, is provided with connector 3 in stealthy hole; It is described that to hold hole 20 mutually through on front lock core 2 and lock body 1; The magnetic that described magnetic key operated lock locking apparatus is arranged on lock body 1 and rear lock core 14 pushes away or in attraction channel.
There are lock core hole and via hole in center in described lock body 1, and described via hole is used to allow and connects hole that tongue 15 passes, rearward end at lock body 1; Described lock core hole circular hole, before via hole, be divided into front lock core hole and rear lock core hole, the diameter in rear lock core hole is than large between front lock core hole, and front lock core hole is before rear lock core hole; Be provided with in front lock core 2, rear lock core hole in described front lock core hole and be provided with rear lock core 14, front lock core 2 is arranged on before rear lock core 14, and the rotating diameter of rear lock core 14 is larger than the rotating diameter of front lock core 2.The magnetic push hole, the sliding eye that the lock body 1 of the outside of via hole have locking bearing bore 13 and communicates with locking bearing bore 13, or, the lock body 1 of the outside of via hole has magnetic push hole, sliding eye, spring eye 24 and locking bearing bore 13; Described locking bearing bore 13 is bearing bore of the rear lock core hole rearward end of the part that before the ratio outside via hole, the aperture of lock core hole is large, corresponding with the position of the locking hole 25 on rear lock core 14 and communicate; Described magnetic push hole comprises the first magnetic push hole 6 and the second magnetic push hole 61, the leading section of the lock body 1 outside lock core hole but do not wear out the front end face of lock body 1, through with sliding eye, for installing magnet and allowing magnet slide in magnetic push hole; Described sliding eye comprises the first sliding eye 8 and the second sliding eye 81, on lock body 1 after magnetic push hole outside front lock core hole with magnetic push hole and locking hole 25 through, or on the lock body 1 after the magnetic push hole outside front lock core hole with magnetic push hole and spring eye 24 through, push to slide bar slide in sliding eye for installing to push to slide bar and allow; Lock body 1 after the sliding eye of described spring eye 24 outside front lock core hole is worn out the front end face of the part that the diameter of lock core hole is large before rear lock core boring ratio, with sliding eye and locking hole 25 through, push away spring and allow magnetic push away spring at spring eye 24 Analaysis on Elastic Slide and allow for installing magnetic and push to slide the centre that bar pushes away spring from magnetic and pass; For the ease of assembling, described sliding eye can also become the overall straight hole of a continuous print with magnetic push hole; Described spring eye 24 can also become the overall straight hole of a continuous print with sliding eye and magnetic push hole, but in straight hole, want machining clamp spring position, and jump ring position fixes the second locking spring 121 for installing jump ring.Lock body 1 holds hole 20, the described hole 20 that holds is bearing bore in lock body 1 or through hole, hold spring 21 for installing, hold post 22 and hold 23 and allow and hold 23 and hold post 22 holding slip hole 20 in, corresponding with the position holding hole 20 on front lock core 2, and communicate; Rotation locked groove is had in the circular hole part of front lock core hole, described rotation locked groove caves in, along the cannelure on lock core hole direction, the groove of cannelure is arcwall face or inclined-plane, corresponding with the position of the rotation slot on front lock core 2 on front lock core hole, for allow the locking end of moving block inside before movable and locking lock core 2 rotate.
Have special bitting hole, stealthy hole in described front lock core 2 and hold hole 20, described special bitting hole and stealthy hole all the centre that front lock core 2 rotates or close to the special bitting hole, centre rotated before stealthy hole; Be provided with connector 3 in described stealthy hole, there is spring bearing bore 4 front end of connector 3, is provided with return spring 5 in spring bearing bore 4.Described hold hole 20 wear out in front lock core 2 before the surface of revolution of lock core 2 and special bitting hole, communicating with special bitting hole and lock core hole, holding 23 and hold post 22 holding slip hole 20 in for installing to hold 23 and allow.
Magnetic key operated lock locking apparatus comprises magnetic to be pushed away locking and attracts locking, and the first magnet 7 that described magnetic pushes away locking is mounted opposite with the magnetic pole that the key magnet 19 in special bitting adopts polarity identical, forms magnetic force moving; Second magnet 71 and the key magnet 19 in special bitting of described attraction locking adopt the not identical magnetic pole of polarity to be mounted opposite, and form magnetic force and attract; In a lock, have at least a magnetic to push away locking, or have at least one to attract locking in a lock, or existing magnetic pushes away locking, has attraction locking again in a lock.
Described magnetic pushes away locking and comprises the first magnetic push hole 6, first magnet 7, first sliding eye 8, first and push to slide bar 9, locking hole 25, fore-set 10, first locking head 11, locking bearing bore 13, first locking spring 12; Be provided with in the first magnetic push hole 6 in first magnet 7, first sliding eye 8 and be provided with first and push to slide in bar 9, locking hole 25 to have in fore-set 10 and the first locking head 11, locking bearing bore 13 first locking head 11 and the first locking spring 12 is installed, first magnet 7 is arranged on the front end of the first magnetic push hole 6, first to push to slide bar 9 fixing or withstand on the rear end of the first magnet 7, and first what push to slide that bar 9 pushes up is fore-set 10, locking head and the first locking spring 12 below successively.The first described locking head 11 is in locking hole 25 or simultaneously in locking hole 25 and locking bearing bore 13; When pushing tow key 17 does not insert special bitting hole drawback lock, key magnet 19 in special bitting does not produce repulsive force with the first magnet 7, fore-set 10 and the first locking head 11 is had in locking hole 25, the first locking head 11 and the first locking spring 12 is had in locking bearing bore 13, first locking head 11 simultaneously locking hole 25 in locking bearing bore 13 internal lock rear lock core 14 in the dust, rear lock core 14 can not be rotated; When pushing tow key 17 inserts special bitting hole drawback lock, key magnet 19 in special bitting and the first magnet 7 produce repulsive force and promote first and push to slide bar 9, fore-set 10 and the first locking head 11, after making the first locking head 11 compress the first locking spring 12, in locking hole 25, have fore-set 10 and first to push to slide in bar 9, locking bearing bore 13 has the first locking head 11 and the first locking spring 12, locking head enters in locking bearing bore 13 completely, removes the locking to rear lock core 14.
Described attraction locking comprises the second magnetic push hole 61, second magnet 71, second sliding eye 81, spring eye 24, second locking spring 121, locking hole 25, second locking head 111, second magnet 71 is installed in the second magnetic push hole 61, be provided with second in second sliding eye 81 and push to slide bar 91, second locking spring 121 is installed in spring eye 24, second locking head 111 is arranged in spring eye 24 and locking hole 25, second magnet 71 is arranged on the rear end of the second magnetic push hole 61, second pushes to slide bar 91 being fixedly connected with the second magnet 71 at the second magnet 71 below, second pushes to slide bar 91 is fixedly connected with the second locking head 111 through after the second locking spring 121 in spring eye 24, second pushes to slide bar 91 and the second magnet 71 and the second locking head 111 is connected in one.The second described locking head 111 is in spring eye 24 or simultaneously in spring eye 24 and locking hole 25; When pushing tow key 17 does not insert special bitting hole drawback lock, key magnet 19 in special bitting does not produce attraction with the second magnet 71, second locking head 111 simultaneously locking hole 25 in spring eye 24 internal lock rear lock core 14 in the dust, rear lock core 14 can not be rotated; When pushing tow key 17 inserts special bitting hole drawback lock, key magnet 19 in special bitting and the second magnet 71 produce attraction and pull second to push to slide bar 91, second pushes to slide after bar 91 drives the second locking head 111 to compress the second locking spring 121, second locking head 111 exits in locking hole 25 and enters in spring eye 24 completely, removes the locking to rear lock core 14.
Locking head is cylinder, comprises the first locking head 11 and the second locking head 111, can not rotate for locking rear lock core 14 with front lock core 2.
Locking spring is stage clip, and comprise the first locking spring 12 and the second locking spring 121, the first described locking spring 12 is locking power sources that the first magnetic pushes away locking, and the second described locking spring 121 is locking power sources of the second attraction locking.
Described fore-set 10 is cylinder or spheroid or ellipsoid, for transmit the first sliding bar pass the power of coming and the power transmission of the first locking spring 12 to catch bar.
The rear lock core 14 of the part that described locking hole 25 is larger than front lock core 2 outside connecting hole 16 runs through through hole or the bearing bore of the front/rear end of rear lock core 14, when being through hole, for holding fore-set 10 and the first locking head 11 and fore-set 10 and the first locking head 11 can be moved forward and backward in locking hole 25; Be bearing bore or through hole time, for holding the second locking head 111 and the second locking head 111 can be moved forward and backward in locking hole 25.
The center of the rear end of described rear lock core 14 is fixed with and connects tongue 15 through lock body 1 via hole below, there is the connecting hole 16 of depression the front end of the center of rotation of rear lock core 14, and the rear lock core 14 of the outside of connecting hole 16 part larger than the diameter of front lock core 2 has locking hole 25; Described locking hole 25 is bearing bore or through hole, the locking hole 25 pushed away in locking at magnetic is through holes, corresponding with the position of sliding eye and locking bearing bore 13 and communicate, and is bearing bore or through hole, corresponding with the position of spring eye 24 and communicate attracting the locking hole 25 in locking; Described connecting hole 16 is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Spring bearing bore 4 is with or without in the bottom of connecting hole 16, when the bottom of described connecting hole 16 does not have a spring bearing bore 4, spring bearing bore 4 is located at the rearward end of connector 3, is provided with return spring 5 in spring bearing bore 4, and one end of return spring 5 withstands on the bottom of connecting hole 16; When spring bearing bore 4 arranged at the bottom of described connecting hole 16, the core that spring bearing bore 4 and connecting hole 16 rotate at rear lock core 14 or the part close to center of rotation, spring bearing bore 4 is later through connecting hole 16 above, be provided with return spring 5 in spring bearing bore 4, one end of return spring 5 withstands on the rearward end of connector 3.
When having spring bearing bore 4 in described rear lock core 14, spring bearing bore 4 is at the connecting hole 16 passed back through above of the bottom of connecting hole 16; When not having spring bearing bore 4 in described rear lock core 14, spring bearing bore 4 is in the rearward end of connector 3; Described spring bearing bore 4 also can simultaneously in the rearward end of connector 3 and the bottom of connecting hole 16; Described spring bearing bore 4 is bearing bore or blind hole, for installing return spring 5; Described return spring 5 is springs;
Described connector 3 is one section of connector 3, the front end of connector 3 coordinates with the front end of pushing tow key 17 can slide in stealthy hole He in connecting hole 16, when connector 3 slides in stealthy hole, its rear end can be inserted in the connecting hole 16 in rear lock core 14, for connecting front lock core 2 and rear lock core 14.
Described special bitting comprises pushing tow key 17 and the shank of the key, pushing tow key 17 is fixed on the shank of the key, be inlaid with key magnet 19 in the previous section of the shank of the key, the polar orientation that polarity and the magnetic of key magnet 19 push away the magnet of locking is contrary, identical with the polar orientation of the magnet attracting locking; The part that pushing tow key 17 inserts the key in special bitting hole has at least on a lateral and have pitch face 18, pitch face 18 holds 23 for cant; Described pushing tow key 17 length is longer than the length in special bitting hole, and the length of pushing tow key 17 is used for promoting connector 3 than the part of special bitting hole length and inserts connecting hole 16.
In order to increase safety and the disguise of theftproof lock, rear lock core 14 is movably arranged on the rearward end of front lock core 2, disconnects completely and hiddenly realizes being connected stealth, do not have the insertion of pushing tow key 17 can not connect and transmit power to rear lock core 14 with front lock core 2; Magnetic key operated lock locking apparatus is hidden in locked rear lock core 14 in lock body 1 and lock core, does not have attraction second magnet 71 of the key magnet 19 in special bitting and promotes the first magnet 7, can not remove the locking to rear lock core 14.
In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, magnetic is adopted to push away the first locking head 11 of locking and attract the locked rear lock core 14 of the second locking head 111 of locking to realize magnetic force locking; Before adopting, lock core 2 disconnects completely with rear lock core 14 and connector 3 is hidden in stealthy hole and realizes being connected stealth.
In order to can be real antitheft, adopt before lock core 2 disconnect realizing being connected stealth completely with rear lock core 14; Adopt the locking head of magnetic key operated lock locking apparatus to be hidden in lock core and lock body 1 and realize interlocking stealth; Adopt the first locking head 11 to be hidden in locking hole 25 and locking bearing bore 13 to realize asynchronous locking and magnetic pushes away locking, adopt the second locking head 111 to be hidden in locking hole 25 and spring eye 24 and realize asynchronous locking and magnetic locking.
When unblanking with special bitting, special bitting hole is inserted with the pushing tow key 17 of special bitting, in the process inserted, pitch face 18 on pushing tow key 17 oblique compression in special bitting hole hold 23 and allow hold 23 after move, promotion moves after holding post 22, makes to hold post 22 and holds the junction of 23 at the intersection of front lock core 2 with the lock core hole of lock body 1.Pushing tow key 17 is through behind special bitting hole, and the front end of pushing tow key 17 is inserted promotion connector 3 in stealthy hole and inserted in connecting hole 16, completes the connection with front lock core 2 and rear lock core 14.When pushing tow key 17 insertion puts in place, key magnet 19 on the shank of the key and the first magnet 7 produce repulsive force and promote the first magnet 7, first and push to slide after bar 9, fore-set 10 and the first locking head 11 compress the first locking spring 12, and the first locking head 11 enters in locking bearing bore 13 locking removed rear lock core 14 completely; Meanwhile, key magnet 19 on the shank of the key and the second magnet 71 produce attraction and pull the second magnet 71 and second to push to slide bar 91, after driving the second locking head 111 to compress the second locking spring 121, pull the second locking head 111 exit locking hole 25 and enter in spring eye 24 completely, remove the locking to rear lock core 14.Now, rotate special bitting, rear lock core 14 rotates with front lock core 2 and is with the tongue 15 that is dynamically connected to rotate, and connects tongue 15 and drives link gear open dead bolt and unblank.
When pushing tow key 17 exits special bitting hole, the first locking head 11 enters locking hole 25 under the promotion of the first locking spring 12, and simultaneously locking bearing bore 13 in locking hole 25 internal lock after death lock core 14, complete the locking to rear lock core 14; Second locking head 111 enters locking hole 25 under the promotion of the second locking spring 121, and simultaneously spring eye 24 in locking hole 25 internal lock after death lock core 14, complete the locking to rear lock core 14; Connector 3, under the promotion of return spring 5, exits connecting hole 16 and enters in stealthy hole completely, makes front lock core 2 disconnect completely with rear lock core 14 and can not be connected.
When robber or the king that unblanks unblank with technical tool, stretch in special bitting hole with steel wire and be pressed into hold hole 20 holding 23, owing to not knowing have hiding magnetic push away locking and attract locking, magnetic key operated lock locking apparatus can not be opened; Even if what robber or the king that unblanks opened cylinder lock part holds post 22, have rotated front lock core 2, but be connected with rear lock core 14 because of the connector 3 in stealthy hole, add the locked rear lock core 14 of magnetic key operated lock locking apparatus, rear lock core 14 can not be rotated.
Robber or unblank king need not specially bitting is unblanked time, enter after not having pushing tow key 17 to insert special bitting hole in stealthy hole promote connector 3 enter in connecting hole 16, front lock core 2 and rear lock core 14 cannot be made simultaneously to rotate, can not theftproof lock be opened; Do not have the key magnet 19 on the shank of the key promote the first magnet 7 and pull the second magnet 71 can not open magnetic key operated lock locking apparatus, rear lock core 14 cannot be made to rotate; Add the difficulty of pirate of the open lock, thus play the effect of self-locking, stealth and multiple safety.
After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage to hold post 22, the front lock core 2 of forced rotating, rear lock core 14 is not connected with front lock core 2 because of stealthy and does not rotate with front lock core 2, plays anti-theft function.

Claims (6)

1. antitheft magnetic pushes away a mechanical interlocked lock, it is characterized in that: described antitheft magnetic pushes away the latch system having cylinder lock in mechanical interlocked lock, magnetic key operated lock locking apparatus, synchronized links system, mainly comprises: lock body (1), front lock core (2), rear lock core (14), connector (3), return spring (5), connecting hole (16), connect tongue (15), spring bearing bore (4), hold hole (20), hold spring (21), hold post (22), hold head (23), special bitting hole, special bitting, first magnetic push hole (6), first magnet (7), first sliding eye (8), first pushes to slide bar (9), locking hole (25), fore-set (10), first locking head (11), first locking spring (12), second magnetic push hole (61), second magnet (71), second sliding eye (81), spring eye (24), second locking spring (121), second locking head (111), locking bearing bore (13),
Have in described lock body (1) rear lock core (14) be movably arranged on front lock core (2) rearward end, disconnect completely with front lock core (2), the rear end of rear lock core (14) is fixed with and connects tongue (15), be connected with link gear after connecting the via hole of tongue (15) through lock body (1) rear portion, link gear is connected with dead bolt; Described lock body (1) there are sliding eye, magnetic push hole, spring eye (24), longitudinal locked groove and twist lock groove; Hole (20), magnetic push hole, sliding eye, spring eye (24), specially bitting hole and stealthy hole is held in described front lock core (2); Described synchronized links system comprises stealthy hole, connecting hole (16) and connector (3), is provided with connector (3) in stealthy hole; It is described that to hold hole (20) mutually through on front lock core (2) and lock body (1); The magnetic that described magnetic key operated lock locking apparatus is arranged on lock body (1) and rear lock core (14) pushes away or in attraction channel;
There are lock core hole and via hole in center in described lock body (1), and described via hole is used to allow and connects hole that tongue (15) passes, rearward end in lock body (1); Described lock core hole circular hole, before via hole, be divided into front lock core hole and rear lock core hole, the diameter in rear lock core hole is than large between front lock core hole, and front lock core hole is before rear lock core hole; Be provided with in described front lock core hole in front lock core (2), rear lock core hole and rear lock core (14) is installed, front lock core (2) is arranged on before rear lock core (14), and the rotating diameter of rear lock core (14) is larger than the rotating diameter of front lock core (2); The magnetic push hole, the sliding eye that the lock body (1) of the outside of via hole have locking bearing bore (13) and communicates with locking bearing bore (13), or, the lock body (1) of the outside of via hole has magnetic push hole, sliding eye, spring eye (24) and locking bearing bore (13); Described locking bearing bore (13) is the bearing bore of the rear lock core hole rearward end of the part that before the ratio outside via hole, the aperture of lock core hole is large, corresponding with the position of the locking hole (25) on rear lock core (14) and communicate; Described magnetic push hole comprises the first magnetic push hole (6) and the second magnetic push hole (61), the leading section of the lock body (1) outside lock core hole but do not wear out the front end face of lock body (1), through with sliding eye, for installing magnet and allowing magnet slide in magnetic push hole; Described sliding eye comprises the first sliding eye (8) and the second sliding eye (81), upper and the magnetic push hole of lock body (1) after magnetic push hole outside front lock core hole and locking hole (25) through, or the lock body (1) after the magnetic push hole outside front lock core hole upper with magnetic push hole and spring eye (24) through, push to slide bar for installation and allow and push to slide bar and slide in sliding eye; Lock body (1) after the sliding eye of described spring eye (24) outside front lock core hole is worn out the front end face of the part that the diameter of lock core hole is large before rear lock core boring ratio, with sliding eye and locking hole (25) through, push away spring and allow magnetic push away spring at spring eye (24) Analaysis on Elastic Slide and allow for installing magnetic and push to slide the centre that bar pushes away spring from magnetic and pass; For the ease of assembling, described sliding eye can also become the overall straight hole of a continuous print with magnetic push hole; Described spring eye (24) can also become the overall straight hole of a continuous print with sliding eye and magnetic push hole, but in straight hole, want machining clamp spring position, and jump ring position fixes the second locking spring (121) for installing jump ring; Lock body (1) holds hole (20), the described hole (20) that holds is bearing bore in lock body (1) or through hole, hold head (23) for installing to hold spring (21), hold post (22) and hold head (23) and allow and hold post (22) holding in hole (20) slip, corresponding with the position holding hole (20) on front lock core (2), and communicate; Rotation locked groove is had in the circular hole part of front lock core hole, described rotation locked groove caves in, along the cannelure on lock core hole direction, the groove of cannelure is arcwall face or inclined-plane, corresponding with the position of the rotation slot on front lock core (2) on front lock core hole, for allowing lock core (2) rotation before movable and locking inside of the locking end of moving block;
Have special bitting hole, stealthy hole in described front lock core (2) and hold hole (20), described special bitting hole and stealthy hole all the centre that front lock core (2) rotates or close to rotate special bitting hole, centre before stealthy hole; Be provided with connector (3) in described stealthy hole, there is spring bearing bore (4) front end of connector (3), is provided with return spring (5) in spring bearing bore (4); The surface of revolution of front lock core (2) and special bitting hole are worn out in the described hole (20) that holds in front lock core (2), communicate with special bitting hole and lock core hole, hold head (23) for installing to hold head (23) and allow and hold post (22) holding in hole (20) slip;
Magnetic key operated lock locking apparatus comprises magnetic to be pushed away locking and attracts locking, and described magnetic pushes away first magnet (7) of locking and adopts the identical magnetic pole of polarity to be mounted opposite with the key magnet (19) in special bitting, forms magnetic force moving; Second magnet (71) of described attraction locking adopts the not identical magnetic pole of polarity to be mounted opposite with the key magnet (19) in special bitting, forms magnetic force and attracts; In a lock, have at least a magnetic to push away locking, or have at least one to attract locking in a lock, or existing magnetic pushes away locking, has attraction locking again in a lock;
Described magnetic pushes away that locking comprises the first magnetic push hole (6), the first magnet (7), the first sliding eye (8), first push to slide bar (9), locking hole (25), fore-set (10), the first locking head (11), locking bearing bore (13), the first locking spring (12), in the first magnetic push hole (6), the first magnet (7) is installed, be provided with first in first sliding eye (8) and push to slide bar (9), fore-set (10) and the first locking head (11) is had in locking hole (25), first locking head (11) and the first locking spring (12) are installed in locking bearing bore (13), first magnet (7) is arranged on the front end of the first magnetic push hole (6), first to push to slide bar (9) fixing or withstand on the rear end of the first magnet (7), first what push to slide that bar (9) pushes up is fore-set (10) below successively, locking head and the first locking spring (12), the first described locking head (11) is in locking hole (25) or simultaneously in locking hole (25) and locking bearing bore (13), when pushing tow key (17) does not insert special bitting hole drawback lock, key magnet (19) in special bitting does not produce repulsive force with the first magnet (7), fore-set (10) and the first locking head (11) is had in locking hole (25), the first locking head (11) and the first locking spring (12) is had in locking bearing bore (13), first locking head (11) simultaneously locking hole (25) in locking bearing bore (13) internal lock rear lock core (14) in the dust, rear lock core (14) can not be rotated, when pushing tow key (17) inserts special bitting hole drawback lock, key magnet (19) in special bitting and the first magnet (7) produce repulsive force and promote first and push to slide bar (9), fore-set (10) and the first locking head (11), after making the first locking head (11) compress the first locking spring (12), in locking hole (25), there is fore-set (10) and first to push to slide bar (9), the first locking head (11) and the first locking spring (12) is had in locking bearing bore (13), locking head enters in locking bearing bore (13) completely, remove the locking to rear lock core (14),
Described attraction locking comprises the second magnetic push hole (61), the second magnet (71), the second sliding eye (81), spring eye (24), the second locking spring (121), locking hole (25), the second locking head (111), in the second magnetic push hole (61), the second magnet (71) is installed, be provided with second in second sliding eye (81) and push to slide bar (91), second locking spring (121) is installed in spring eye (24), second locking head (111) is arranged in spring eye (24) and locking hole (25), second magnet (71) is arranged on the rear end of the second magnetic push hole (61), second pushes to slide bar (91) being fixedly connected with the second magnet (71) at the second magnet (71) below, second pushes to slide bar (91) is fixedly connected with the second locking head (111) afterwards through the second locking spring (121) in spring eye (24), second pushes to slide bar (91) is connected in one with the second magnet (71) and the second locking head (111), the second described locking head (111) is in spring eye (24) or simultaneously in spring eye (24) and locking hole (25), when pushing tow key (17) does not insert special bitting hole drawback lock, key magnet (19) in special bitting does not produce attraction with the second magnet (71), second locking head (111) simultaneously locking hole (25) in spring eye (24) internal lock rear lock core (14) in the dust, rear lock core (14) can not be rotated, when pushing tow key (17) inserts special bitting hole drawback lock, key magnet (19) in special bitting and the second magnet (71) produce attraction and pull second to push to slide bar (91), second pushes to slide after bar (91) drives the second locking head (111) to compress the second locking spring (121), second locking head (111) exits in locking hole (25) and enters in spring eye (24) completely, removes the locking to rear lock core (14),
Locking head is cylinder, comprises the first locking head (11) and the second locking head (111), can not rotate for locking rear lock core (14) with front lock core (2);
Locking spring is stage clip, comprise the first locking spring (12) and the second locking spring (121), the first described locking spring (12) is the locking power source that the first magnetic pushes away locking, and the second described locking spring (121) is the locking power source of the second attraction locking;
Described fore-set (10) is cylinder or spheroid or ellipsoid, for transmit the first sliding bar pass the power of coming and the power transmission of the first locking spring (12) to catch bar;
The rear lock core (14) of the part that described locking hole (25) is larger than front lock core (2) outside connecting hole (16) runs through through hole or the bearing bore of the front/rear end of rear lock core (14), when being through hole, for holding fore-set (10) and the first locking head (11) and fore-set (10) and the first locking head (11) can be moved forward and backward in locking hole (25); Be bearing bore or through hole time, for holding the second locking head (111) and the second locking head (111) can be moved forward and backward in locking hole (25);
The center of the rear end of described rear lock core (14) is fixed with and connects tongue (15) through the via hole after lock body (1), there is the connecting hole (16) of depression the front end of the center of rotation of rear lock core (14), and the rear lock core (14) of the outside of connecting hole (16) part larger than the diameter of front lock core (2) has locking hole (25); Described locking hole (25) is bearing bore or through hole, the locking hole (25) pushed away in locking at magnetic is through hole, corresponding with the position of sliding eye and locking bearing bore (13) and communicate, and is bearing bore or through hole, corresponding with the position of spring eye (24) and communicate attracting the locking hole (25) in locking; Described connecting hole (16) is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Spring bearing bore (4) is with or without in the bottom of connecting hole (16), when the bottom of described connecting hole (16) does not have spring bearing bore (4), spring bearing bore (4) is located at the rearward end of connector (3), be provided with return spring (5) in spring bearing bore (4), one end of return spring (5) withstands on the bottom of connecting hole (16); When spring bearing bore (4) arranged at the bottom of described connecting hole (16), the core that spring bearing bore (4) and connecting hole (16) rotate at rear lock core (14) or the part close to center of rotation, spring bearing bore (4) is later through connecting hole (16) above, be provided with return spring (5) in spring bearing bore (4), one end of return spring (5) withstands on the rearward end of connector (3);
When having spring bearing bore (4) in described rear lock core (14), spring bearing bore (4) is at the connecting hole (16) passed back through above of the bottom of connecting hole (16); When there is no spring bearing bore (4) in described rear lock core (14), spring bearing bore (4) rearward end in connector (3); Described spring bearing bore (4) also can simultaneously in the rearward end of connector (3) and the bottom of connecting hole (16); Described spring bearing bore (4) is bearing bore or blind hole, for installing return spring (5); Described return spring (5) is spring;
Described connector (3) is one section of connector (3), the front end of connector (3) coordinates with the front end of pushing tow key (17) can slide in stealthy hole He in connecting hole (16), when connector (3) slides in stealthy hole, its rear end can be inserted in the connecting hole (16) in rear lock core (14), for connecting front lock core (2) and rear lock core (14);
Described special bitting comprises pushing tow key (17) and the shank of the key, pushing tow key (17) is fixed on the shank of the key, be inlaid with key magnet (19) in the previous section of the shank of the key, the polar orientation that polarity and the magnetic of key magnet (19) push away the magnet of locking is contrary, identical with the polar orientation of the magnet attracting locking; The part that pushing tow key (17) inserts the key in special bitting hole has at least on a lateral and have pitch face (18), pitch face (18) holds head (23) for cant; Described pushing tow key (17) length is longer than the length in special bitting hole, and the part that the length of pushing tow key (17) is longer than special bitting hole is used for promoting connector (3) insertion connecting hole (16);
In order to increase safety and the disguise of theftproof lock, rear lock core (14) is movably arranged on the rearward end of front lock core (2), disconnect completely with front lock core (2) and hiddenly realize being connected stealth, not having the insertion of pushing tow key (17) can not connect and transmit power to rear lock core (14); Magnetic key operated lock locking apparatus is hidden in locked rear lock core (14) in lock body (1) and lock core, there is no attraction second magnet (71) of the key magnet (19) in special bitting and promote the first magnet (7), the locking to rear lock core (14) can not be removed;
In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, the second locking head (111) locked rear lock core (14) of the first locking head (11) and attraction locking that adopt magnetic to push away locking realizes magnetic force locking; Before adopting, lock core (2) disconnects completely with rear lock core (14) and connector (3) is hidden in stealthy hole and realizes being connected stealth;
When unblanking with special bitting, special bitting hole is inserted with the pushing tow key (17) of special bitting, in the process inserted, pitch face (18) on pushing tow key (17) oblique compression in special bitting hole hold head (23) and allow hold head (23) after move, promotion moves after holding post (22), makes hold post (22) and hold the junction of head (23) at the intersection of front lock core (2) with the lock core hole of lock body (1); Pushing tow key (17) is through behind special bitting hole, the front end of pushing tow key (17) is inserted in stealthy hole and is promoted, in connector (3) insertion connecting hole (16), to complete the connection with front lock core (2) and rear lock core (14); When pushing tow key (17) insertion puts in place, key magnet (19) on the shank of the key and the first magnet (7) produce repulsive force and promote the first magnet (7), first and push to slide after bar (9), fore-set (10) and the first locking head (11) compress the first locking spring (12), and the first locking head (11) enters the locking of the interior releasing of locking bearing bore (13) to rear lock core (14) completely; Meanwhile, key magnet (19) on the shank of the key and the second magnet (71) produce attraction and pull the second magnet (71) and second to push to slide bar (91), after driving the second locking head (111) to compress the second locking spring (121), pull the second locking head (111) exit locking hole (25) and enter in spring eye (24) completely, remove the locking to rear lock core (14); Now, rotate special bitting, rear lock core (14) rotates with front lock core (2) and is with the tongue (15) that is dynamically connected to rotate, and connects tongue (15) and drives link gear open dead bolt and unblank;
When pushing tow key (17) exits special bitting hole, first locking head (11) enters locking hole (25) under the promotion of the first locking spring (12), and simultaneously locking bearing bore (13) in locking hole (25) internal lock after death lock core (14), complete the locking to rear lock core (14); Second locking head (111) enters locking hole (25) under the promotion of the second locking spring (121), and simultaneously spring eye (24) in locking hole (25) internal lock after death lock core (14), complete the locking to rear lock core (14); Connector (3), under the promotion of return spring (5), exits connecting hole (16) and enters in stealthy hole completely, makes front lock core (2) disconnect completely with rear lock core (14) and can not be connected;
When robber or the king that unblanks unblank with technical tool, stretch in special bitting hole with steel wire and be pressed into hold hole (20) holding head (23), owing to not knowing have hiding magnetic push away locking and attract locking, magnetic key operated lock locking apparatus can not be opened; Even if what robber or the king that unblanks opened cylinder lock part holds post (22), have rotated front lock core (2), but because the connector (3) in stealthy hole is not connected with rear lock core (14), add the locked rear lock core of magnetic key operated lock locking apparatus (14), rear lock core (14) can not be rotated;
Robber or unblank king need not specially bitting is unblanked time, entering promotion connector (3) in stealthy hole after not having pushing tow key (17) to insert special bitting hole enters in connecting hole (16), front lock core (2) and rear lock core (14) cannot be made simultaneously to rotate, can not theftproof lock be opened; Do not have the key magnet (19) on the shank of the key to promote the first magnet (7) and pull the second magnet (71) that magnetic key operated lock locking apparatus can not be opened, rear lock core (14) cannot be made to rotate; Add the difficulty of pirate of the open lock, thus play the effect of self-locking, stealth and multiple safety;
After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage to hold post (22), forced rotating front lock core (2), rear lock core (14) is not connected and does not rotate with front lock core (2) with front lock core (2) because of stealthy, plays anti-theft function.
2. antitheft magnetic according to claim 1 pushes away mechanical interlocked lock, it is characterized in that: in order to can be real antitheft, adopt before lock core (2) disconnect realizing being connected stealth completely with rear lock core (14); Adopt the locking head of magnetic key operated lock locking apparatus to be hidden in lock core and lock body (1) and realize interlocking stealth; Adopt the first locking head (11) to be hidden in locking hole (25) and locking bearing bore (13) to realize asynchronous locking and magnetic pushes away locking, adopt the second locking head (111) to be hidden in locking hole (25) and spring eye (24) and realize asynchronous locking and magnetic locking.
3. antitheft magnetic according to claim 1 pushes away mechanical interlocked lock, it is characterized in that: in order to expand the scope of application, described antitheft magnetic pushes away the place that mechanical interlocked lock is applicable to the antitheft door of all kinds of needs, cabinet and so on and installs and uses, and comprises but be not only limited to being arranged on car door, security door, safety cabinet, strongbox, built-in lock door, built-in lock cabinet and common door and commonly cashier's office in a shop using.
4. antitheft magnetic according to claim 1 pushes away mechanical interlocked lock, it is characterized in that: described antitheft magnetic push away mechanical interlocked lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Magnetic pushes away locking and attracts locking to be indistinctly hidden in locked rear lock core (14) in lock body (1) and lock core, front lock core (2) and rear lock core (14) disconnect completely and connector (3) is hidden in stealthy hole, make robber and Wang Wufa rotation rear lock core (14) that unblanks, achieve integrate asynchronous, interlocking, stealth, self-locking, synchronized links the theftproof lock of several functions, safety parameters is high; Namely be also merely able to rotate front lock core (2) after using barbarous means to damage to hold post (22), can not rotate be hidden in front lock core (2) below rear lock core (14), front lock core (2) is rotated and rear lock core (14) non rotating, serves real anti-theft function.
5. an antitheft magnetic pushes away the manufacture method of mechanical interlocked lock, it is characterized in that: lock body (1) during fabrication, has lock core hole, via hole, sliding eye, magnetic push hole, spring eye (24) in the upper manufacture of lock body (1), holds hole (20) and locking bearing bore (13); Described lock core hole is manufactured on the centre of lock body (1), create front lock core hole and rear lock core hole, front lock core hole and rear lock core hole create circular hole, front lock core hole is manufactured on the front end face wearing out lock body (1) before rear lock core hole, the diameter that rear lock core hole manufactures is larger than the diameter of front lock core hole, front lock core (2) is installed in front lock core hole, rear lock core (14) is installed in rear lock core hole; Have via hole manufacturing of rear lock core hole below, described via hole creates through hole, and the rearward end being manufactured on the rear lock core hole on the center line in rear lock core hole wears out the rear end face of lock body (1); Described magnetic push hole comprises the first magnetic push hole (6) and the second magnetic push hole (61), is manufactured on the leading section of the lock body (1) outside front lock core hole, does not wear out the front end face of lock body (1), through with sliding eye; Described sliding eye comprises the first sliding eye (8) and the second sliding eye (81), be manufactured on the magnetic push hole lock body below (1) outside front lock core hole, with magnetic push hole and locking hole (25) is through or with magnetic push hole and spring eye (24) through; Described spring eye (24) is manufactured on front end face sliding eye outside front lock core hole front lock core (2) below being worn out rear lock core hole, with sliding eye and locking hole (25) through; For the ease of assembling, described sliding eye can also create the overall straight hole of a continuous print with magnetic push hole; Described spring eye (24) can also create the overall straight hole of a continuous print with sliding eye and magnetic push hole, but in straight hole, want machining clamp spring position; The described hole (20) that holds is manufactured on lock body (1), communicates with the hole (20) that holds on front lock core (2); Described locking bearing bore (13) is manufactured on the rear lock core hole rearward end of the part that the aperture of lock core hole is large before the ratio outside via hole, create bearing bore, to push away the position of the locking hole (25) in locking corresponding and communicate with the magnetic on rear lock core (14);
Lock core during fabrication, carries out division system lock core and causes front lock core (2) and rear lock core (14); During fabrication, the upper manufacture of front lock core (2) holds hole (20), stealthy hole and special bitting hole to described front lock core (2); The center of rotation position that described special bitting hole and stealthy hole are manufactured on front lock core (2) is connected, specially join stealthy hole above, stealthy hole later; The shape in described special bitting hole and the shape of pushing tow key (17) same or similar, the front portion of stealthy hole and connector (3) is same or similar; The described hole (20) that holds is manufactured on front lock core (2), communicates with the hole (20) that holds on lock body (1);
First locking head (11) and the second locking head (111) create cylinder, first locking spring (12) and the second locking spring (121) create stage clip, and fore-set (10) creates cylinder or spheroid or ellipsoid;
First magnet (7) adopts the identical magnetic pole of polarity to be mounted opposite with the key magnet (19) in special bitting, and the second magnet (71) adopts the not identical magnetic pole of polarity to be mounted opposite with the key magnet (19) in special bitting;
Rear lock core (14) during fabrication, the upper manufacture of rear lock core (14) has connecting hole (16), locking hole (25), described connecting hole (16) is manufactured on the front end face of the center of rotation of rear lock core (14), create polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove, be manufactured on the center of rotation position of rear lock core (14), coordinate with the aft section of connector (3), parallel with lock core hole, can be through with the stealthy hole on front lock core (2); Described locking hole (25) is manufactured on the rear lock core (14) of connecting hole (16) the outside part larger than the diameter of front lock core (2), create bearing bore or through hole, the locking hole (25) pushed away in locking at magnetic creates through hole, corresponding with the position of sliding eye and locking bearing bore (13) and communicate, and creates bearing bore or through hole, corresponding with the position of spring eye (24) and communicate attracting the locking hole (25) in locking;
Unblank to enable special bitting, described special bitting during fabrication, special bitting creates pushing tow key (17) and the shank of the key two parts, is manufactured on the shank of the key by pushing tow key (17), and the shank of the key is inlaid with key magnet (19); The polar orientation of the key magnet (19) on described the shank of the key is contrary with the first magnet (7), identical with the polar orientation of the second magnet (71); The body keyway portion of described pushing tow key (17) in the special bitting hole of insertion have at least manufacture on a lateral to have pitch face (18); The length that described pushing tow key (17) manufactures is longer than the length in special bitting hole, and the part that the length of pushing tow key (17) is longer than special bitting hole is used for promoting connector (3) insertion connecting hole (16); The shape in described special bitting hole creates with the shape of pushing tow key (17) same or similar;
Described connector (3) during fabrication, connector (3) is created the cylinder that the shape of anterior, rear portion consistent with the shape in stealthy hole and connecting hole (16) is consistent, the front end of connector (3) is created the shape that can coordinate with the front end of pushing tow key (17);
Described spring bearing bore (4) during fabrication, spring bearing bore (4) be manufactured on the bottom of connecting hole (16) and pass connecting hole (16), or spring bearing bore (4) is manufactured on the rearward end of connector (3), or spring bearing bore (4) is manufactured on the rearward end of connector (3) and the bottom of connecting hole (16) simultaneously; Spring bearing bore (4) is created blind hole or bearing bore, and return spring (5) creates stage clip;
Be provided with front lock core (2) and rear lock core (14) in lock body (1), rear lock core (14) is movably arranged on the rearward end of front lock core (2), disconnects completely with front lock core (2); The upper manufacture of described lock body (1) holds hole (20), sliding eye, magnetic push hole and spring eye (24); Manufacture in described front lock core (2) and hold hole (20), specially bitting hole and stealthy hole, connector (3) is installed in stealthy hole; Connecting hole (16) is had in described rear lock core (14), the rear end of rear lock core (14) is fixed with and connects tongue (15), be connected with link gear after connecting the via hole of tongue (15) through lock body (1) rear portion, link gear is connected with dead bolt; Described hold in hole (20) to be provided with hold spring (21), hold post (22) and hold head (23); First magnet (7) is arranged on the front end of the first magnetic push hole (6), first to push to slide bar (9) fixing or withstand on the rear end of the first magnet (7), and first what push to slide that bar (9) pushes up is fore-set (10), locking head and the first locking spring (12) below successively; Second magnet (71) is arranged on the rear end of the second magnetic push hole (61), second pushes to slide bar (91) being fixedly connected with the second magnet (71) at the second magnet (71) below, second pushes to slide bar (91) is fixedly connected with the second locking head (111) afterwards through the second locking spring (121) in spring eye (24), and second pushes to slide bar (91) is connected in one with the second magnet (71) and the second locking head (111).
6. push away mechanical interlocked lock according to claim 1 and antitheft magnetic according to claim 5, it is characterized in that: for the ease of manufacturing and assembling, the manufacture hop count of lock core (2) before changing, the described easily manufactured needs of lock body (1) according to internal construction and the needs of manufacturing process, front lock core (2) segmentation manufacture again near the end or end in stealthy hole, or in the segmentation manufacture again of the position of magnetic push hole, or in the position segmentation manufacture again of spring eye (24), front lock core (2) is created entirety or multistage, the each section of lock core that segmentation manufactures can synchronous rotary or can separately asynchronous rotation,
In order to manufacture the needs with assembly technology, lock body (1) is during fabrication according to technological requirement and needs, lock body (1) is created entirety, or, create multistage at the position of the position in rear lock core hole or magnetic push hole corresponding to front lock core hole.
CN201510045026.2A 2015-01-29 2015-01-29 Burglarproof magnetic push mechanical interlocking lock Withdrawn CN104652974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510045026.2A CN104652974A (en) 2015-01-29 2015-01-29 Burglarproof magnetic push mechanical interlocking lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510045026.2A CN104652974A (en) 2015-01-29 2015-01-29 Burglarproof magnetic push mechanical interlocking lock

Publications (1)

Publication Number Publication Date
CN104652974A true CN104652974A (en) 2015-05-27

Family

ID=53244557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510045026.2A Withdrawn CN104652974A (en) 2015-01-29 2015-01-29 Burglarproof magnetic push mechanical interlocking lock

Country Status (1)

Country Link
CN (1) CN104652974A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575919A (en) * 2009-04-10 2009-11-11 泉州市科安盾智能锁业有限公司 Novel magnetic mechanical anti-theft lock
CN104033024A (en) * 2014-05-31 2014-09-10 徐園植 Automatic alarm invisible connection interlocking double-key anti-theft lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575919A (en) * 2009-04-10 2009-11-11 泉州市科安盾智能锁业有限公司 Novel magnetic mechanical anti-theft lock
CN104033024A (en) * 2014-05-31 2014-09-10 徐園植 Automatic alarm invisible connection interlocking double-key anti-theft lock

Similar Documents

Publication Publication Date Title
CN104652976A (en) Mechanical asynchronous interlocking antitheft magnetic pushing lock
CN204571555U (en) Mechanical anti-theft magnetic pushes away lock
CN204571554U (en) Interlocked mechanical antitheft magnetic pushes away lock
CN104763239A (en) Mechanical asynchronous interlocking magnetic pushing anti-theft lock
CN204691425U (en) Antitheft magnetic pushes away mechanical interlocked lock
CN104652974A (en) Burglarproof magnetic push mechanical interlocking lock
CN204691427U (en) Antitheft mechanical interlocked magnetic pushes away lock
CN204571567U (en) The asynchronous interlocking magnetic theft-proof lock of machinery
CN204571529U (en) The asynchronous interlocking anti-theft magnetic lock of machinery
CN104631954A (en) Anti-theft electromechanical interlocking magnetic repulsion lock
CN204691423U (en) Interlocked mechanical antitheft magnetic pushes away lock
CN204691424U (en) The asynchronous interlocking antitheft magnetic of machinery pushes away lock
CN204571528U (en) Magnetic pushes away mechanical anti-theft lock
CN204645863U (en) Interlocked mechanical magnetic pushes away theftproof lock
CN104631943A (en) Interlocking mechanical anti-theft magnetic push lock
CN104652977A (en) Interlocking mechanical burglarproof magnetic push lock
CN204571559U (en) Asynchronous mechanical antitheft magnetic pushes away lock
CN104631951A (en) Mechanical asynchronous interlocking magnetic anti-theft lock
CN104652978A (en) Mechanical asynchronous interlocking antitheft magnetic lock
CN204571568U (en) The asynchronous interlocking magnetic of machinery pushes away theftproof lock
CN104631947A (en) Asynchronous mechanical magnetic pushing anti-theft multi-locking lock
CN104631945A (en) Mechanical anti-theft magnetic repulsion lock
CN204691426U (en) Interlocking magnetic pushes away mechanical anti-theft lock
CN204571557U (en) Mechanical interlocked antitheft magnetic pushes away lock
CN104612467A (en) Magnetic-pushing mechanical antitheft lock

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20150527

WW01 Invention patent application withdrawn after publication