CN104405212A

CN104405212A - Anti-theft mechanical inter-locking marble-less multiple lock

Info

Publication number: CN104405212A
Application number: CN201410644923.0A
Authority: CN
Inventors: 徐浩钟; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-14
Filing date: 2014-11-14
Publication date: 2015-03-11

Abstract

The invention discloses an anti-theft mechanical inter-locking marble-less multiple lock. A rear lock cylinder is completely separated from a front lock cylinder; a sliding hole, a special key hole and a hidden hole are formed inside the front lock cylinder; a connector is mounted in the hidden hole and is separated from the rear lock cylinder; a locking hole and a connecting hole are formed inside the rear lock cylinder; a connecting tongue at the rear end of the rear lock cylinder penetrates through a through hole, is connected with a linkage mechanism and then is connected with a lock tongue; a locking head is arranged in the front of a locking spring in a locking socket hole; the locking head and a pushing column are mounted in the locking hole; a sliding rod in the front of the pushing column is mounted in the sliding hole; the expansion end of an expansion sheet extends into a locking groove and locks the front lock cylinder; an inclined lock device and a rotary locking device are used for locking the front lock cylinder. The anti-theft mechanical inter-locking marble-less multiple lock has the integrated functions of mechanical interlocking, hiding and connection and hiding of the front and rear lock cylinders, so that a thief cannot open an interlocking device and cannot rotate the rear lock cylinder; even if interlocking and self-locking parts are damaged by virtue of brutal means, only the front lock cylinder can be rotated, and the rear lock cylinder cannot be rotated, so that the thorough anti-theft effect is achieved.

Description

Antitheft mechanical interlocked without playing multi-lock

Technical field

The one that the present invention relates to theftproof lock field is antitheft mechanical interlocked without playing multi-lock.

Background technology

The theftproof lock of present use has a variety of, but be all rotate after the key adopted backs down hoodle to drive dead bolt to open theftproof lock substantially, the theftproof lock not having interlocking, asynchronous locking 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 that be combined as a whole, high security, without the manufacture of the theftproof lock of hoodle and method thereof.

For achieving the above object, the antitheft mechanical interlocked latch system not having cylinder lock without bullet multi-lock of the present invention, only has interior expansion latch system, oblique locking device, rotary catch, asynchronous interlock system, synchronized links system, mainly comprise: lock body, front lock core, rear lock core, connector, return spring, draw hole, sliding eye, sliding bar, sliding tray, sliding shoe, lock groove, expansion groove, expanding plate, locking spring, locking bearing bore, connecting hole, connect tongue, spring bearing bore, special bitting hole, special bitting, locking head, fore-set, locking hole, skewed slot, oblique locked groove, switch block, rotational pin, top spring, swivelling chute, rotate locked groove, push away handle, rotating disk, turning handle, corner, torsional spring, steady pin,

Be provided with front lock core and rear lock core in described lock body, rear lock core is movably arranged on the rearward end of front lock core, disconnects completely with front lock core; Have in described front lock core and draw hole, sliding eye, sliding tray, skewed slot, swivelling chute, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; Locking hole and connecting hole on 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; Have before described sliding tray and draw hole, in sliding tray, sliding shoe is installed, sliding shoe has lock groove, in sliding tray sliding eye below, sliding bar is installed, the front end of sliding bar withstands on sliding shoe, rear end withstands on fore-set; Described fore-set and locking head are arranged in locking hole, and one end of locking head withstands on fore-set, the other end is pressed on locking spring, and locking spring fitting is in locking bearing bore; Described expansion groove internal fixtion has expanding plate, and the expansion side pressure of expanding plate and sliding shoe are engaged in lock groove; In described skewed slot, oblique locking device is installed, in swivelling chute, rotary catch is installed.

There are lock core hole and via hole in center in described lock body, and via hole is used to allow and connects hole that tongue passes, rearward end at lock body, lock core hole circular hole, before via hole; Be provided with lock core in lock core hole, lock core comprises front lock core and rear lock core, and front lock core is arranged on before rear lock core; The rearward end of described lock core hole has locking bearing bore, and the circular hole part of lock core hole has expansion groove, tiltedly locked groove and rotates locked groove; Described locking bearing bore is bearing bore or blind hole, in the lock body after the outer rim of rearward end close to lock core hole, the rearward end at rear lock core of lock core hole, identical with the position of the locking hole on rear lock core and corresponding mutually through with locking hole under asynchronous lockup state, there is locking spring in locking bearing bore; Described expansion groove is the recessed groove on the lock core hole in lock body, for the fixed end of fixing expanding plate and the entirety holding expanding plate when allowing the expansion end of expanding plate be squeezed, corresponding with the position of the sliding tray on front lock core, and communicates; Described oblique locked groove is depression, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot on front lock core on lock core hole, for allowing the lock core rotation before movable and locking inside of the locking end of switch block; Described rotation locked groove is depression, along the cannelure on lock core hole direction, corresponding with the position of the swivelling chute on front lock core on lock core hole, for allowing corner lock core rotation before movable and locking inside.

There are special bitting hole, stealthy hole, skewed slot, swivelling chute in described front lock core, draw hole, sliding tray and sliding eye, described special bitting hole and stealthy hole are all in the centre that front lock core rotates or the centre close to rotation, and special bitting hole is before stealthy hole; Be provided with connector in described stealthy hole, there is stealthy hole the front end of connector, is provided with return spring in stealthy hole; Described skewed slot wear out on the lock core of the special bitting bore portion of front lock core before the outer round surface of lock core and special bitting hole, communicate with oblique locked groove and special bitting hole, and corresponding with the oblique locked groove on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate; Described swivelling chute wear out on the lock core of the stealthy bore portion of front lock core before the outer round surface of lock core and stealthy hole, communicate with rotation locked groove and stealthy hole, and corresponding with the rotation locked groove on lock core hole, for installing rotary locking and allowing the parts of rotary locking operate; Described hole of drawing is passing hole, the neutral gear place beyond the special bitting hole of the peripheral edge portion rotated close to front lock core, communicates with sliding tray before sliding tray; Described sliding tray is the groove of key slot type, there are rank the inside of sliding tray or do not have rank, neutral gear place beyond the special bitting hole of the peripheral edge portion rotated close to front lock core, before drawing after hole, wearing out before sliding eye the outer round surface of lock core, with draw hole, sliding eye and expansion groove and communicate, for installing sliding shoe and allowing sliding shoe can slide anteroposterior; Described sliding eye is after sliding tray, neutral gear place beyond the special bitting hole of the peripheral edge portion rotated close to front lock core run through before the rear end face of lock core, communicate with sliding tray and locking hole, there are rank the inside of sliding eye or do not have rank, for installing sliding bar and sliding bar can be slided in sliding eye; Described draw hole and sliding tray and sliding eye are connected in one.

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, has locking hole in the outside of connecting hole; 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; Described locking hole is through hole, runs through the front/rear end of rear lock core at the peripheral edge portion rotated close to rear lock core;

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.

An oblique locking device is had at least in a lock; Described oblique locking device comprises skewed slot, tiltedly locked groove, switch block, rotational pin, top spring, described switch block is fixed in skewed slot by rotational pin, the promote-side of switch block is stretched in special bitting hole, locking end stretches in oblique locked groove, and the top, one end of top spring is pressed on switch block, other end top is pressed on the wall of skewed slot.When pushing tow rank on the key promote the promote-side of the switch block exposed in special bitting hole, the untie-sell that rotates of the locking end of switch block in oblique locked groove rotates and shifts out in oblique locked groove, thus removes the locking to front lock core; When pushing tow key does not insert in special bitting hole, locking end locked front lock core in oblique locked groove of switch block.

Described switch block is the blocks of bar shaped, and there is pin-and-hole at the middle part of blocks, and rotational pin is through pin-and-hole; In special bitting hole the same side to key in polylith switch block is installed time, expose the part switch block in special bitting hole, one piece of ratio below one piece short before it; Described switch block can rotate in skewed slot untie-sell rotate, can not rotate in lock core hole for lock core before locking;

Described rotational pin is pin or bolt, is fixed in the fixing hole in skewed slot, for fixing switch block;

Described top spring is stage clip or torsion spring.

A rotary catch is had at least in a lock, described rotary catch comprises swivelling chute, rotate locked groove, push away handle, rotating disk, turning handle, corner, torsional spring, steady pin, described push away handle at swivelling chute internal fixtion on connector, described rotating disk is fixed in swivelling chute by steady pin, rotating disk is fixed with corner and turning handle, part or all of corner is in rotation locked groove, turning handle points to the direction in stealthy hole in swivelling chute, the pivotal angle of handle restriction turning handle is pushed away before turning handle, torsional spring top is had to press below, the top, one end of torsional spring is pressed on turning handle, other end top is pressed on the wall of swivelling chute.Insert when promoting connector in stealthy hole in the front end of pushing tow key, connector drives and pushes away handle and promote turning handle, and turning handle rotates at drive rotating disk and corner, and corner rotates and enters the locking of releasing to front lock core swivelling chute in; When the front end of pushing tow key is not inserted in stealthy hole, corner is lock core before rotation locked groove internal lock is dead.

The described handle that pushes away is strip shape body, is fixed on connector, is arranged in swivelling chute, rotates around steady pin for pushing away handle;

Described rotating disk and turning handle, corner are an entirety, or combining of separating;

Described rotating disk is the disc or blocks that can rotate around steady pin, and the centre of rotating disk is porose, and steady pin is through the hole in the middle of rotating disk; Described rotating disk is used for connection and pushes away handle and corner;

Described turning handle is the strip shape body be fixed on rotating disk, for driving dial rotation;

Described corner is the blocks be fixed on rotating disk, is partly or entirely arranged on and rotates in locked groove, can not rotate for lock core before locking in lock core hole;

Described torsional spring is stage clip or torsion spring;

Described steady pin is pin or bolt, is fixed in the fixing hole rotated in locked groove, for fixing rotating disk.

Have at least in an asynchronous interlock and one in a lock and expand locking system; Described asynchronous interlocking comprises locking bearing bore, locking hole, locking spring, locking head, fore-set, sliding eye and sliding bar; Described locking spring fitting is in locking bearing bore, locking head is arranged on before locking spring, locking head and fore-set are installed in locking hole, and sliding bar to be installed in sliding eye and to stretch in sliding tray before fore-set, and the front end of sliding bar withstands on sliding shoe, rear end withstands on fore-set; Have in described locking hole in locking head and fore-set or locking hole and have fore-set and sliding bar, locking head is in locking bearing bore, or locking head can simultaneously in locking hole and in locking bearing bore; Propulsion arm insert draw in hole promote sliding shoe time, locking head, in locking bearing bore, has fore-set and sliding bar in locking hole; Under the lockup state of static state or do not have propulsion arm to insert when drawing in hole, one end of locking head is in locking hole, and the other end, in locking bearing bore, has locking head and fore-set in locking hole.

The length of described sliding bar is longer than the length of sliding eye, and sliding bar can slide anteroposterior in sliding eye.

Described locking spring is stage clip;

Described locking head is cylinder or bores cylinder or stepped cylinder; Described fore-set is spheroid or oval ball or cylinder.

Described sliding bar is cylinder or stairstepping cylinder, and front end can be stretched in sliding tray, and rear end can enter locking hole, and sliding bar is for transmitting the motive force of propulsion arm and promoting fore-set and locking head.

Described interior expansion locking comprises and draws hole, sliding tray, sliding shoe, lock groove, expanding plate and expansion groove; Described hole of drawing communicates with sliding tray before sliding tray, and the outer round surface of described sliding tray lock core before drawing after hole, wearing out before sliding eye, is provided with sliding shoe in sliding tray, and sliding bar extend in sliding tray in sliding eye; The fixed end of described expanding plate is fixed in expansion groove, and the expansion end of expanding plate coordinates with the lock groove on sliding shoe and is pressed in lock groove, expanding plate in expansion groove or expanding plate simultaneously lock groove with expand in groove; Propulsion arm do not insert draw in hole time, the fixed end of described expanding plate in expansion groove, expansion end locked to front lock core and lock body in lock groove, front lock core can not rotate in lock body, realizes interior expansion locking; Propulsion arm insert draw in hole promote sliding shoe time, arcwall face in lock groove when the expansion end of expanding plate moves after sliding shoe on sliding shoe or the oblique compression on inclined-plane are with under guiding, fixed end along expanding plate is drawn close to expansion groove, along with the continuation of propulsion arm promotes sliding shoe, the expansion end of expanding plate slips over arcwall face in the sliding tray on sliding shoe or sloped roof is pressed on the radian face of sliding shoe, now the expansion end of expanding plate enters in expansion groove, the locking of lock core and lock body before removing.

The length of described sliding tray is longer than the length of sliding shoe, and sliding shoe can slide anteroposterior in sliding tray.

Described sliding shoe is cylinder or stairstepping cylinder, and being arranged on the one side concordant with the periphery of front lock core in sliding tray has the radian face consistent with the radian of the periphery of front lock core, and there is lock groove in face to radian; Described lock groove is deep-slotted chip breaker or surface groove, and deep-slotted chip breaker has arcwall face, and surface groove has inclined-plane; Described lock groove is for holding the expansion end of expanding plate and the expansion end of expanding plate can be slided in lock groove.

The both sides end face of described expanding plate is the face of lock core and lock body before pintle hook lock, and the fixed end of expanding plate is arranged in expansion groove, expansion end is pressed in the lock groove on sliding shoe; Described expanding plate is spring leaf or flexure strip, or the assembly of rigid disk and tension spring, between the bottom that tension spring top is pressed in expansion groove and expanding plate.

Described special bitting comprises pushing tow key and propulsion arm and the shank of the key, and pushing tow key and propulsion arm are fixed on the shank of the key; Described the shank of the key is the shank of key, and propulsion arm is cylinder, and pushing tow key is promotion key, is the key not having the oblique flank of tooth of marble lock key; The part that pushing tow key inserts the key in special bitting hole have at least a lateral be the blank key shape not having the key flank of tooth; The part that pushing tow key inserts the key in special bitting hole having at least on a lateral has rank to push away, and rank push away the promote-side for promoting switch block; It is the rank that pushing tow key inserts that the aft section of the part of the key in special bitting hole is wide, previous section is narrow and formed that described rank push away; 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 confuse robber, increasing unlocking difficulty, front lock core be provided with or do not establish false sliding eye, when being only provided with false sliding eye on front lock core, special bitting can being provided with false propulsion arm or thering is no false propulsion arm.

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; The locked front lock core of switch block of oblique locking device realizes interlocking stealth, does not have pushing tow key to insert the promote-side promoting switch block in special bitting hole and can not open oblique locking device; The locked front lock core of corner of rotary catch realizes interlocking stealth, and not having pushing tow key to insert promotion connector in stealthy hole can not open rotary catch; Locking head is simultaneously in locking bearing bore and in locking hole, pin rear lock core can not rotate, realize the asynchronous locking of lock core, not having propulsion arm insertion to draw promotion sliding shoe in hole can not push locking head the locking can not untied rear lock core in locking bearing bore completely; Expanding plate is simultaneously in lock groove and in expansion groove, do not have propulsion arm to insert and draw promotion sliding shoe in hole, sliding shoe can not move, and the arcwall face in lock groove or inclined-plane can not guide and oblique compression expanding plate, expanding plate can not enter in expansion groove, can not remove the locking to front lock core.

In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, adopting locking head to pin rear lock core and not rotating with front lock core and realize the asynchronous locking of lock core and asynchronous interlocking; The locked front lock core of expanding plate is adopted to realize interior expansion locking; Adopt switch block front lock core and lock body locked with rotating disk and corner front lock core and lock body locked realize rotating interlock; Before adopting lock core and rear lock core completely disconnected be hidden in stealthy hole to come with connector realize being connected stealth.

When unblanking with special bitting, insert special bitting hole with the pushing tow key of special bitting, in the process inserted, the promote-side that pushing tow rank on the key the promote switch block untie-sell that rotates rotates and shifts out in oblique locked groove, removes the locking to front lock core; 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; While connector movement, connector moves after driving and pushing away handle and promotes turning handle rotation, and drive rotating disk and corner to rotate, corner rotates and shifts out rotation locked groove, removes the locking to front lock core; While pushing tow key inserts special bitting hole, propulsion arm moves after also inserting and promoting sliding bar in sliding eye, sliding shoe slides in sliding tray, under the oblique guiding on the deep-slotted chip breaker slip arcwall face on sliding shoe or the inclined-plane of surface groove and extruding, the expansion end of expanding plate is drawn close in expansion groove, expanding plate by the radian face of sliding shoe press-in expansion groove along with moving after sliding shoe, leaves lock groove, opens inner support locking; Meanwhile, sliding bar moves after driving locking head and compresses locking spring, makes locking head all enter in locking bearing bore the locking removed 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, corner under the powered of torsional spring around steady pin rotate and enter rotate locked groove internal lock dead before lock core, complete the locking to front lock core; The untie-sell that rotates under the powered of top spring of the locking end of switch block rotates and enters locked front lock core in oblique locked groove, completes the locking to front lock core; Locking head enters in the locking hole on rear lock core under the promotion of locking spring, completes the locking to rear lock core; The radian face that sliding shoe moves forward and makes the expansion end leaving expanding plate leave sliding shoe under the promotion of locking spring arrives the position of sliding tray, and expanding plate is pressed in lock groove under the powered of natural resiliency, completes the locking to front 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 into steel wire and can not find the pellet of cylinder lock in special bitting hole and be puzzled, can not be compressed because switch block does not have elasticity, interior expansion locking cannot be opened in expanding plate press-in expansion groove again in special bitting hole, from sliding eye locking head all can not be pressed in locking bearing bore and open asynchronous interlocking, oblique locking device can't be opened, more can not open hiding rotary catch; Even if robber or the king that unblanks open interior expansion locking, asynchronous interlocking and oblique locking device, do not rotate front lock core because of the locked front lock core of rotary catch yet; Even if robber or the front lock core of king's forced rotating of unblanking, but rear lock core can not be rotated because the connector in stealthy hole is not connected with rear lock core.

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 pushing tow key to insert the promote-side promoting switch block in special bitting hole and can not open oblique locking device, front lock core cannot be made to rotate; Not having pushing tow key to insert promotion connector in stealthy hole drives dial rotation to open rotary catch, and front lock core cannot be made to rotate; There is no the promotion of the propulsion arm in special bitting, asynchronous interlocking and interior expansion locking can not be opened, sliding shoe can not be made to move and make lock groove extruding expanding plate make expanding plate exit lock groove and front lock core can not be rotated, locking head can not be made to enter locking bearing bore completely and exit locking hole, rear lock core cannot be rotated, can not theftproof lock be opened; Add the difficulty of pirate of the open lock, thus play that asynchronous locking, interior expansion locking, self-locking, connection are stealthy, the effect of multiple locking and multiple safety.

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate, switch block, rotating disk and corner, the front lock core of forced rotating, rear lock core is not connected with front lock core in stealthy hole because the locking of locking head and connector are hidden in and do 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 expanding plate, switch block, rotating disk and corner to be hidden in lock core and lock body to realize interlocking stealth; Adopt locking head to be hidden in locking hole and locking bearing bore and realize the stealth of asynchronous locking.

In order to enable the propulsion arm in special bitting promote sliding shoe smoothly, the length of described sliding shoe is shorter than the length of sliding tray, and propulsion arm can insert to draw in hole and promote sliding shoe.

In order to enable the pushing tow key in special bitting promote connector smoothly, described pushing tow key is longer than special bitting hole.

In order to open interior expansion locking, after the arcwall face when sliding shoe moves in deep-slotted chip breaker or the inclined-plane oblique compression expanding plate in surface groove, the expansion end of expanding plate withstands on the radian face of sliding shoe, makes expanding plate exit in expansion groove and open interior expansion locking.

Under the promotion of locking spring, sliding eye is not entered in order to make locking head or fore-set, the aperture of sliding eye in described front lock core is equal with the aperture of the locking hole in rear lock core or unequal, the diameter of locking head and fore-set and the equal diameters of sliding bar or unequal; Described locking head and fore-set are an entirety, or the assembly separated.

In order to expand the scope of application, the described antitheft mechanical interlocked place without playing multi-lock and be applicable to the antitheft door of all kinds of needs, cabinet and so on is installed and used, 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 mechanical interlocked manufacture and method thereof without playing multi-lock, is characterized in that:

Lock body during fabrication, lock body manufactures and has via hole, lock core hole, tiltedly locked groove, rotation locked groove, expansion groove and locking bearing bore, the centre that lock core hole is manufactured on rear locking is used for installing lock core, the via hole for allowing connection tongue pass is had in the manufacture below of lock core hole, manufacture on the lock body close to lock core hole outer rim in the rearward end of lock core hole and have locking bearing bore, on the same line, the mid portion manufacture of the lock core hole in lock body has expansion groove to the center line of locking bearing bore and locking hole and sliding eye; Described expansion groove is manufactured on the lock core hole in lock body, creates the groove of depression, communicates with lock core hole, corresponding with the sliding tray on front lock core; Described oblique locked groove system is manufactured on lock core hole, cause depression, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot on front lock core, for allowing the lock core rotation before movable and locking inside of the locking end of switch block; Described rotation locked groove is manufactured on lock core hole, create depression, along the cannelure on lock core hole direction, corresponding with the position of the swivelling chute on front lock core, for allowing corner lock core rotation before movable and locking inside.

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 have and draws hole, sliding tray, sliding eye, skewed slot, swivelling chute, 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; Described hole of drawing creates passing hole, is manufactured on the neutral gear place beyond close to the special bitting hole of the peripheral edge portion of front lock core rotation, is manufactured on before sliding tray and communicates with sliding tray; The inside of described sliding tray creates rank or does not have the groove of key slot type on rank, be manufactured on the neutral gear place beyond close to the special bitting hole of the peripheral edge portion of front lock core rotation, be manufactured on the periphery drawing and wear out front lock core after hole, before sliding eye, with draw hole, sliding eye and expansion groove and communicate, corresponding with the position of the expansion groove on lock body, the length that sliding tray manufactures is longer than the length of sliding shoe; Described sliding eye is manufactured on after sliding tray, the rear end face of front lock core is run through at neutral gear place beyond the special bitting hole being manufactured on the rotated edge position of front lock core, the inside of sliding eye manufactures to be had rank or not to manufacture rank, parallel with special bitting hole with lock core hole, communicates with the locking hole on sliding tray and rear lock core; Described draw hole and sliding tray and sliding eye create one; The lock core that described skewed slot is manufactured on the special bitting bore portion of front lock core wears out the outer round surface of front lock core and special bitting hole, communicate with oblique locked groove and special bitting hole, and corresponding with the oblique locked groove on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate; The lock core that described swivelling chute is manufactured on the stealthy bore portion of front lock core wears out the outer round surface of front lock core and stealthy hole, communicate with rotation locked groove and stealthy hole, and corresponding with the rotation locked groove on lock core hole, for installing rotary locking and allowing the parts of rotary locking operate.

Rear lock core during fabrication, rear lock core manufactures and has locking hole, connecting hole; Described connecting hole creates 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 with locking hole, can be through with the stealthy hole on front lock core; Described locking hole is manufactured on the rotated edge position of rear lock core, parallel with connecting hole with lock core hole, communicates with the locking bearing bore on rear locking and the sliding eye on front lock core.

Unblank to enable special bitting, described special bitting during fabrication, pushing tow key and propulsion arm are manufactured on the shank of the key, the shank of the key of special bitting, pushing tow key and propulsion arm three part are manufactured as a whole, or be combined into as a whole after separately manufacturing; Described propulsion arm creates cylinder or cone cylinder; Described pushing tow key creates the promotion key not having the oblique flank of tooth of marble lock key, and the part that pushing tow key inserts the key in special bitting hole has at least a lateral to create the blank key shape not having the key flank of tooth; The part that pushing tow key inserts the key in special bitting hole has at least manufacture on a lateral have rank to push away, rank push away the promote-side for promoting switch block; Described rank pushing causes pushing tow key and inserts the wide and rank that formed narrow with previous section of the aft section of the part of the key in special bitting hole; 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; Described pushing tow key creates with the shape in special bitting hole same or similar, and special bitting hole creates the hole of single groove or multiple-grooved or multidirectional groove; Described multidirectional groove comprises V-shaped groove, U-lag, two-way chute, three-dimensional groove, cross recess, five to groove, six to groove, seven to groove, eight to groove, plum blossom groove;

Described connector during fabrication, connector 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, allow pushing tow key can promote connector slide in stealthy hole He in connecting hole, when connector slides in stealthy hole, its rear end can be inserted in connecting hole, for connecting front lock core and rear lock core.

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, for installing return spring; Described return spring creates stage clip.

Locking spring creates stage clip;

Locking head and fore-set manufacture as a whole, or separately manufacture rear recombinant together; Described locking head creates cylinder or bores cylinder or stepped cylinder; Described fore-set creates spheroid or oval ball or cylinder;

Sliding bar creates cylinder or stairstepping cylinder, and front end can be stretched in sliding tray, and rear end can enter locking hole.

Sliding shoe creates the slide block of keyed, be arranged on the previous section of sliding tray, can slide anteroposterior in sliding tray, being arranged on the one side concordant with the periphery of front lock core in sliding tray creates with the radian of the periphery of front lock core consistent, the sliding shoe of the one side concordant with the periphery of front lock core manufactures lock groove, and the radian face of lock groove creates consistent with the radian of the periphery of front lock core; The length that described sliding shoe manufactures is shorter than the length of sliding tray; Described lock groove creates deep-slotted chip breaker or surface groove, and deep-slotted chip breaker manufactures arcwall face, and surface groove manufactures inclined-plane.

Expanding plate creates spring leaf or flexure strip, or creates the assembly of rigid disk and tension spring, between the bottom that tension spring top is pressed in expansion groove and expanding plate; The both sides end face of expanding plate creates the face of lock core and lock body before pintle hook lock.

Switch block creates the blocks of bar shaped, and the middle part of blocks manufactures pin-and-hole, and rotational pin is through pin-and-hole; In special bitting hole the same side to key in polylith switch block is installed time, expose the part switch block in special bitting hole, one piece of ratio below one piece short before it; Described switch block is arranged in skewed slot the untie-sell that can rotate and rotates, and can not rotate in lock core hole for lock core before locking.

Rotational pin and steady pin create pin or bolt; Described rotational pin is fixed in the fixing hole in skewed slot, for fixing switch block; Described steady pin is fixed in the fixing hole in rotation locked groove, for fixing rotating disk.

Top spring and torsional spring create stage clip or torsion spring.

Pushing away handle and create strip shape body, be fixed on connector, be arranged in swivelling chute, rotating around steady pin for pushing away handle.

Rotating disk and turning handle, corner manufacture as a whole, or combine after manufacturing respectively; Described rotating disk creates the disc or blocks that can rotate around steady pin, and manufacture porose in the middle of rotating disk, steady pin is through the hole in the middle of rotating disk; Described rotating disk is used for connection and pushes away handle and corner; Described turning handle creates the strip shape body be fixed on rotating disk, for driving dial rotation; Described corner creates the blocks be fixed on rotating disk, is partly or entirely arranged on and rotates in locked groove, can not rotate for lock core before locking in lock core hole.

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; Manufacture in described front lock core to have and draw hole, sliding tray, sliding eye, skewed slot, swivelling chute, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; Have locking hole and 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; Have before sliding tray and draw hole, in sliding tray, sliding shoe is installed, sliding shoe has lock groove, in sliding tray sliding eye below, sliding bar is installed, the front end of sliding bar withstands on sliding shoe, rear end withstands on fore-set; Described fore-set and locking head are arranged in locking hole, and one end of locking head withstands on fore-set, the other end is pressed on locking spring, and locking spring fitting is in locking bearing bore; Described expansion groove internal fixtion has expanding plate, and the expansion side pressure of expanding plate and sliding shoe are engaged in lock groove; In described skewed slot, oblique locking device is installed, in swivelling chute, rotary catch is installed.

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 sliding tray, or drawing the position segmentation manufacture again in hole, or in the segmentation manufacture again of the position of skewed slot, or in the segmentation manufacture again of the position of swivelling chute, front lock core 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, during fabrication according to technological requirement and needs, creates entirety or multistage lock body.

The present invention antitheft mechanical interlocked without play multi-lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; The locked rear lock core of locking head, the locked front lock core of expanding plate, switch block, corner and rotating disk, front lock core and rear lock core disconnect completely, make robber and Wang Wufa rotation rear lock core of unblanking, achieve the theftproof lock integrating asynchronous interlocking, stealth, self-locking, synchronized links, safety parameters is high; Even if be also merely able to rotate front lock core part after the means of robber and king's cruelty of unblanking have damaged interior expansion locking and coupling part, 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 the antitheft mechanical interlocked primary structure schematic diagram without playing multi-lock of the present invention;

Fig. 2 is the surface structure schematic diagram of the right view of Fig. 1;

Fig. 3 is the structural representation of front lock core in the cross section at sliding tray place;

Fig. 4 is the surface structure schematic diagram of sliding shoe;

Fig. 5 is the surface structure schematic diagram of the sliding tray on front lock core;

Fig. 6 is the surface structure schematic diagram of the right view of rear lock core;

Fig. 7 is the surface structure schematic diagram of the left view of rear lock core;

Fig. 8 is the surface structure schematic diagram of special bitting.

Shown in figure antitheft mechanical interlocked without play multi-lock be two to groove special bitting hole and two to pushing tow key;

Shown in figure: lock body 1, front lock core 2, connector 3, return spring 4, draw hole 5, sliding shoe 6, sliding tray 7, expanding plate 8, expansion groove 9, locking spring 10, locking bearing bore 11, connecting hole 12, rear lock core 13, connect tongue 14, spring bearing bore 15, special bitting hole 16, pushing tow key 17, propulsion arm 18, rank push away 19, locking hole 20, locking head 21, fore-set 22, sliding eye 23, lock groove 24, sliding bar 25, oblique locked groove 26, skewed slot 27, switch block 28, top spring 29, rotational pin 30, push away handle 31, rotating disk 32, corner 33, turning handle 34, torsional spring 35.

Detailed description of the invention

The antitheft mechanical interlocked nothing of the present invention plays multi-lock and mainly comprises lock body 1, front lock core 2, rear lock core 13, connector 3, return spring 4, draw hole 5, sliding eye 23, sliding bar 25, sliding tray 7, sliding shoe 6, lock groove 24, expansion groove 9, expanding plate 8, locking spring 10, locking bearing bore 11, connecting hole 12, connect tongue 14, spring bearing bore 15, special bitting hole 16, special bitting, locking head 21, fore-set 22, locking hole 20, skewed slot 27, oblique locked groove 26, switch block 28, rotational pin 30, top spring 29, swivelling chute, rotate locked groove, push away handle 31, rotating disk 32, turning handle 34, corner 33, torsional spring 35, steady pin,

Be provided with front lock core 2 and rear lock core 13 in described lock body 1, rear lock core 13 is movably arranged on the rearward end of front lock core 2, disconnects completely with front lock core 2; Have in described front lock core 2 and draw hole 5, sliding eye 23, sliding tray 7, skewed slot 27, swivelling chute, specially bitting hole 16 and stealthy hole, connector 3 is installed in stealthy hole; Locking hole 20 and connecting hole 12 on described rear lock core 13, the rear end of rear lock core 13 is fixed with and connects tongue 14, and connect tongue 14 and be connected with link gear through after the via hole at lock body 1 rear portion, link gear is connected with dead bolt; Have before described sliding tray 7 and draw hole 5, sliding shoe 6 is installed in sliding tray 7, sliding shoe 6 has lock groove 24, in sliding tray 7 sliding eye 23 below, sliding bar 25 is installed, the front end of sliding bar 25 withstands on sliding shoe 6, rear end withstands on fore-set 22; Described fore-set 22 and locking head 21 are arranged in locking hole 20, and one end of locking head 21 withstands on fore-set 22, the other end is pressed on locking spring 10, and locking spring 10 is arranged in locking bearing bore 11; Described expansion groove 9 internal fixtion has expanding plate 8, and the expansion side pressure of expanding plate 8 and sliding shoe 6 are engaged in lock groove 24; In described skewed slot 27, oblique locking device is installed, in swivelling chute, rotary catch is installed.

There are lock core hole and via hole in center in described lock body 1, and via hole is used to allow and connects hole that tongue 14 passes, rearward end at lock body 1, lock core hole circular hole, before via hole; Be provided with lock core in lock core hole, lock core comprises front lock core 2 and rear lock core 13, and front lock core 2 is arranged on before rear lock core 13; The rearward end of described lock core hole has locking bearing bore 11, and the circular hole part of lock core hole has expansion groove 9, tiltedly locked groove 26 and rotates locked groove; Described locking bearing bore 11 is bearing bore or blind hole, in the rearward end of lock core hole close in the outer rim of lock core hole, lock body 1 after the rearward end of rear lock core 13, identical with the position of the locking hole 20 on rear lock core 13 and corresponding mutually through with locking hole 20 under asynchronous lockup state, there is locking spring 10 in locking bearing bore 11; Described expansion groove 9 is the recessed grooves on the lock core hole in lock body 1, for the fixed end of fixing expanding plate 8 and the entirety holding expanding plate 8 when allowing the expansion end of expanding plate 8 be squeezed, corresponding with the position of the sliding tray 7 on front lock core 2, and communicates; Described oblique locked groove 26 is depressions, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot 27 on front lock core 2 on lock core hole, for allow the locking end of switch block 28 inside before movable and locking lock core 2 rotate; Described rotation locked groove is depression, along the cannelure on lock core hole direction, corresponding with the position of the swivelling chute on front lock core 2 on lock core hole, for allow corner 33 inside before movable and locking lock core 2 rotate.

There are special bitting hole 16, stealthy hole, skewed slot 27, swivelling chute in described front lock core 2, draw hole 5, sliding tray 7 and sliding eye 23, described special bitting hole 16 and stealthy hole are all in the centre that front lock core 2 rotates or the centre close to rotation, and special bitting hole 16 is before stealthy hole; Be provided with connector 3 in described stealthy hole, there is stealthy hole the front end of connector 3, is provided with return spring 4 in stealthy hole; Described skewed slot 27 wear out on the lock core of special bitting hole 16 part of front lock core 2 before the outer round surface of lock core 2 and special bitting hole 16, communicate with oblique locked groove 26 and special bitting hole 16, and corresponding with the oblique locked groove 26 on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate; Described swivelling chute wear out on the lock core of the stealthy bore portion of front lock core 2 before the outer round surface of lock core 2 and stealthy hole, communicate with rotation locked groove and stealthy hole, and corresponding with the rotation locked groove on lock core hole, for installing rotary locking and allowing the parts of rotary locking operate; Described hole 5 of drawing is passing hole, the neutral gear place beyond the special bitting hole 16 of the peripheral edge portion rotated close to front lock core 2, communicates with sliding tray 7 before sliding tray 7; Described sliding tray 7 is grooves of key slot type, there are rank the inside of sliding tray 7 or do not have rank, neutral gear place beyond the special bitting hole 16 of the peripheral edge portion rotated close to front lock core 2, before drawing after hole 5, wearing out before sliding eye 23 outer round surface of lock core 2, communicate with drawing hole 5, sliding eye 23 and expand groove 9, for installing sliding shoe 6 and allowing sliding shoe 6 can slide anteroposterior; Described sliding eye 23 is after sliding tray 7, neutral gear place beyond the special bitting hole 16 of the peripheral edge portion rotated close to front lock core 2 run through before the rear end face of lock core 2, communicate with sliding tray 7 and locking hole 20, there are rank the inside of sliding eye 23 or do not have rank, for installing sliding bar 25 and sliding bar 25 can be slided in sliding eye 23; Described hole 5 of drawing is connected in one with sliding tray 7 and sliding eye 23.

The center of the rear end of described rear lock core 13 is fixed with and connects tongue 14 through lock body 1 via hole below, and there is the connecting hole 12 of depression the front end of the center of rotation of rear lock core 13, has locking hole 20 in the outside of connecting hole 12; Described connecting hole 12 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 15 is with or without in the bottom of connecting hole 12, when the bottom of described connecting hole 12 does not have a spring bearing bore 15, spring bearing bore 15 is located at the rearward end of connector 3, is provided with return spring 4 in spring bearing bore 15, and one end of return spring 4 withstands on the bottom of connecting hole 12; When spring bearing bore 15 arranged at the bottom of described connecting hole 12, the core that spring bearing bore 15 and connecting hole 12 rotate at rear lock core 13 or the part close to center of rotation, spring bearing bore 15 is later through connecting hole 12 above, be provided with return spring 4 in spring bearing bore 15, one end of return spring 4 withstands on the rearward end of connector 3; Described locking hole 20 is through holes, runs through the front/rear end of rear lock core 13 at the peripheral edge portion rotated close to rear lock core 13;

When having spring bearing bore 15 in described rear lock core 13, spring bearing bore 15 is at the connecting hole 12 passed back through above of the bottom of connecting hole 12; When not having spring bearing bore 15 in described rear lock core 13, spring bearing bore 15 is in the rearward end of connector 3; Described spring bearing bore 15 also can simultaneously in the rearward end of connector 3 and the bottom of connecting hole 12; Described spring bearing bore 15 is bearing bore or blind hole, for installing return spring 4; Described return spring 4 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 12, when connector 3 slides in stealthy hole, its rear end can be inserted in the connecting hole 12 in rear lock core 13, for connecting front lock core 2 and rear lock core 13.

An oblique locking device is had at least in a lock; Described oblique locking device comprises skewed slot 27, tiltedly locked groove 26, switch block 28, rotational pin 30, top spring 29, described switch block 28 is fixed in skewed slot 27 by rotational pin 30, the promote-side of switch block 28 is stretched in special bitting hole 16, locking end stretches in oblique locked groove 26, and the top, one end of top spring 29 is pressed on switch block 28, other end top is pressed on the wall of skewed slot 27.Rank on pushing tow key 17 push away 19 promotions when exposing the promote-side of the switch block 28 in special bitting hole 16, and the untie-sell 30 that rotates of the locking end of switch block 28 in oblique locked groove 26 rotates and shifts out in oblique locked groove 26, thus removes the locking to front lock core 2; When pushing tow key 17 does not insert in special bitting hole 16, locking end locked front lock core 2 in oblique locked groove 26 of switch block 28.

Described switch block 28 is blocks of bar shaped, and there is pin-and-hole at the middle part of blocks, and rotational pin 30 is through pin-and-hole; In special bitting hole 16 the same side to key in polylith switch block 28 is installed time, expose the part switch block 28 in special bitting hole 16, one piece of ratio below one piece short before it; The untie-sell 30 that can rotate in skewed slot 27 of described switch block 28 is rotated, and can not rotate in lock core hole for lock core before locking 2;

Described rotational pin 30 is pin or bolt, is fixed in the fixing hole in skewed slot 27, for fixing switch block 28;

Described top spring 29 is stage clip or torsion spring.

A rotary catch is had at least in a lock, described rotary catch comprises swivelling chute, rotate locked groove, push away handle 31, rotating disk 32, turning handle 34, corner 33, torsional spring 35, steady pin, described push away handle 31 at swivelling chute internal fixtion on connector 3, described rotating disk 32 is fixed in swivelling chute by steady pin, rotating disk 32 is fixed with corner 33 and turning handle 34, part or all of corner 33 is in rotation locked groove, turning handle 34 points to the direction in stealthy hole in swivelling chute, push away handle 31 before turning handle 34 and limit the pivotal angle of turning handle 34, torsional spring 35 is had to push up pressure below, the top, one end of torsional spring 35 is pressed on turning handle 34, other end top is pressed on the wall of swivelling chute.Insert when promoting connector 3 in stealthy hole in the front end of pushing tow key 17, connector 3 drives and pushes away handle 31 and promote turning handle 34, and turning handle 34 rotates at drive rotating disk 32 and corner 33, and corner 33 rotates and enters the locking of releasing to front lock core 2 swivelling chute in; When the front end of pushing tow key 17 is not inserted in stealthy hole, corner 33 is lock core 2 before rotation locked groove internal lock is dead.

The described handle 31 that pushes away is strip shape bodies, is fixed on connector 3, is arranged in swivelling chute, rotates around steady pin for pushing away handle 31;

Described rotating disk 32 and turning handle 34, corner 33 are an entirety, or combining of separating;

Described rotating disk 32 is the disc or blocks that can rotate around steady pin, and the centre of rotating disk 32 is porose, and steady pin is through the hole in the middle of rotating disk 32; Described rotating disk 32 pushes away handle 31 and corner 33 for connecting;

Described turning handle 34 is fixed on the strip shape body on rotating disk 32, rotates for driving rotating disk 32;

Described corner 33 is fixed on the blocks on rotating disk 32, is partly or entirely arranged on and rotates in locked groove, can not rotate for lock core before locking 2 in lock core hole;

Described torsional spring 35 is stage clip or torsion spring;

Described steady pin is pin or bolt, is fixed in the fixing hole rotated in locked groove, for fixing rotating disk 32.

Have at least in an asynchronous interlock and one in a lock and expand locking system; Described asynchronous interlocking comprises locking bearing bore 11, locking hole 20, locking spring 10, locking head 21, fore-set 22, sliding eye 23 and sliding bar 25; Described locking spring 10 is arranged in locking bearing bore 11, locking head 21 is arranged on before locking spring 10, locking head 21 and fore-set 22 are installed in locking hole 20, sliding bar 25 to be installed in sliding eye 23 and to stretch in sliding tray 7 before fore-set 22, and the front end of sliding bar 25 withstands on sliding shoe 6, rear end withstands on fore-set 22; Have in described locking hole 20 in locking head 21 and fore-set 22 or locking hole 20 and have fore-set 22 and sliding bar 25, locking head 21 in locking bearing bore 11, or, locking head 21 can simultaneously locking hole 20 in in locking bearing bore 11; When promotion sliding shoe 6 in hole 5 is drawn in propulsion arm 18 insertion, locking head 21, in locking bearing bore 11, has fore-set 22 and sliding bar 25 in locking hole 20; Under the lockup state of static state or do not have propulsion arm 18 to insert when drawing in hole 5, one end of locking head 21 is in locking hole 20, and the other end, in locking bearing bore 11, has locking head 21 and fore-set 22 in locking hole 20.

The length of described sliding bar 25 is longer than the length of sliding eye 23, and sliding bar 25 can slide anteroposterior in sliding eye 23.

Described locking spring 10 is stage clips;

Described locking head 21 is cylinders or bores cylinder or stepped cylinder; Described fore-set 22 is spheroid or oval ball or cylinder.

Described sliding bar 25 is cylinder or stairstepping cylinder, and front end can be stretched in sliding tray 7, and rear end can enter locking hole 20, and sliding bar 25 is for transmitting the motive force of propulsion arm 18 and promoting fore-set 22 and locking head 21.

Described interior expansion locking comprises and draws hole 5, sliding tray 7, sliding shoe 6, lock groove 24, expanding plate 8 and expansion groove 9; Described hole 5 of drawing communicates with sliding tray 7 before sliding tray 7, the outer round surface of described sliding tray 7 lock core 2 before drawing after hole 5, wearing out before sliding eye 23, be provided with sliding shoe 6 in sliding tray 7, sliding bar 25 extend in sliding tray 7 in sliding eye 23; The fixed end of described expanding plate 8 is fixed in expansion groove 9, and the expansion end of expanding plate 8 coordinates with the lock groove 24 on sliding shoe 6 and is pressed in lock groove 24, expanding plate 8 in expansion groove 9 or expanding plate 8 simultaneously lock groove 24 with expand in groove 9; Propulsion arm 18 do not insert draw in hole 5 time, the fixed end of described expanding plate 8 in expansion groove 9, expansion end locked with lock body 1 for front lock core 2 lock groove 24 in, front lock core 2 can not rotate in lock body 1, realization interior expansion locking; When promotion sliding shoe 6 in hole 5 is drawn in propulsion arm 18 insertion, arcwall face in lock groove 24 when the expansion end of expanding plate 8 moves after sliding shoe 6 on sliding shoe 6 or the oblique compression on inclined-plane are with under guiding, fixed end along expanding plate 8 is drawn close to expansion groove 9, along with the continuation of propulsion arm 18 promotes sliding shoe 6, the expansion end of expanding plate 8 slips over arcwall face in the sliding tray 7 on sliding shoe 6 or sloped roof is pressed on the radian face of sliding shoe 6, now the expansion end of expanding plate 8 enters in expansion groove 9, the locking of lock core 2 and lock body 1 before removing.

The length of described sliding tray 7 is longer than the length of sliding shoe 6, and sliding shoe 6 can slide anteroposterior in sliding tray 7.

Described sliding shoe 6 is cylinder or stairstepping cylinder, and being arranged on the one side concordant with the periphery of front lock core 2 in sliding tray 7 has the radian face consistent with the radian of the periphery of front lock core 2, radian face has lock groove 24; Described lock groove 24 is deep-slotted chip breaker or surface groove, deep-slotted chip breaker has arcwall face, surface groove has inclined-plane; Described lock groove 24 is for holding the expansion end of expanding plate 8 and the expansion end of expanding plate 8 can be slided in lock groove 24.

The both sides end face of described expanding plate 8 is faces of lock core 2 and lock body 1 before pintle hook lock, and the fixed end of expanding plate 8 is arranged in expansion groove 9, expansion end is pressed in the lock groove 24 on sliding shoe 6; Described expanding plate 8 is spring leaf or flexure strip, or the assembly of rigid disk and tension spring, between the bottom that tension spring top is pressed in expansion groove 9 and expanding plate 8.

Described special bitting comprises pushing tow key 17 and propulsion arm 18 and the shank of the key, and pushing tow key 17 and propulsion arm 18 are fixed on the shank of the key; Described the shank of the key is the shank of key, and propulsion arm 18 is cylinders, and pushing tow key 17 is promotion keys, is the key not having the oblique flank of tooth of marble lock key; The part that pushing tow key 17 inserts the key in special bitting hole 16 have at least a lateral be the blank key shape not having the key flank of tooth; The part that pushing tow key 17 inserts the key in special bitting hole 16 having at least on a lateral has rank to push away 19, and rank push away 19 for promoting the promote-side of switch block 28; It is rank that pushing tow key 17 inserts that the aft section of the part of the key in special bitting hole 16 is wide, previous section is narrow and formed that described rank push away 19; Described pushing tow key 17 length is longer than the length in special bitting hole 16, and the length of pushing tow key 17 is used for promoting connector 3 than the part of special bitting hole 16 length and inserts connecting hole 12; In order to confuse robber, increasing unlocking difficulty, front lock core 2 be provided with or do not establish false sliding eye 23, when being only provided with false sliding eye 23 on front lock core 2, special bitting can being provided with false propulsion arm 18 or thering is no false propulsion arm 18.

In order to increase safety and the disguise of theftproof lock, rear lock core 13 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 13 with front lock core 2; The locked front lock core 2 of switch block 28 of oblique locking device realizes interlocking stealth, does not have pushing tow key 17 to insert the promote-side promoting switch block 28 in special bitting hole 16 and can not open oblique locking device; The locked front lock core 2 of corner 33 of rotary catch realizes interlocking stealth, and not having pushing tow key 17 to insert promotion connector 3 in stealthy hole can not open rotary catch; Locking head 21 is simultaneously in locking bearing bore 11 and in locking hole 20, pin rear lock core 13 can not rotate, realize the asynchronous locking of lock core, not having propulsion arm 18 insertion to draw promotion sliding shoe 6 in hole 5 can not push locking head 21 locking can not untied rear lock core 13 in locking bearing bore 11 completely; Expanding plate 8 is simultaneously in lock groove 24 and in expansion groove 9, do not have propulsion arm 18 to insert and draw promotion sliding shoe 6 in hole 5, sliding shoe 6 can not move, arcwall face in lock groove 24 or inclined-plane can not guide and oblique compression expanding plate 8, expanding plate 8 can not enter in expansion groove 9, can not remove the locking to front lock core 2.

In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, adopting locking head 21 to pin rear lock core 13 and not rotating with front lock core 2 and realize the asynchronous locking of lock core and asynchronous interlocking; The locked front lock core 2 of expanding plate 8 is adopted to realize interior expansion locking; Adopt switch block 28 locked to front lock core 2 and lock body 1 and rotating disk 32 and corner 33 front lock core 2 and lock body 1 locked realize rotating interlock; Before adopting lock core 2 and rear lock core 13 completely disconnected be hidden in stealthy hole to come with connector 3 realize 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 13; Adopt expanding plate 8, switch block 28, rotating disk 32 to be hidden in lock core and lock body 1 with corner 33 to realize interlocking stealth; Adopt locking head 21 to be hidden in locking hole 20 and locking bearing bore 11 and realize the stealth of asynchronous locking.

In order to make the propulsion arm 18 in special bitting can promote sliding shoe 6 smoothly, the length of described sliding shoe 6 is shorter than the length of sliding tray 7, and propulsion arm 18 can insert to draw in hole 5 and promote sliding shoe 6;

In order to make the pushing tow key 17 in special bitting can promote connector 3 smoothly, described pushing tow key 17 is longer than special bitting hole 16;

In order to interior expansion locking can be opened, after arcwall face when sliding shoe 6 moves in deep-slotted chip breaker or the inclined-plane oblique compression expanding plate 8 in surface groove, the expansion end of expanding plate 8 withstands on the radian face of sliding shoe 6, makes expanding plate 8 exit in expansion groove 9 and open interior expansion locking.

Under the promotion of locking spring 10, sliding eye 23 is not entered in order to make locking head 21 or fore-set 22, the aperture of the sliding eye 23 in described front lock core 2 is equal or unequal with the aperture of the locking hole 20 in rear lock core 13, the diameter of locking head 21 and fore-set 22 and the equal diameters or unequal of sliding bar 25; Described locking head 21 and fore-set 22 are an entirety, or the assembly separated.

When unblanking with special bitting, special bitting hole 16 is inserted with the pushing tow key 17 of special bitting, in the process inserted, the promote-side that the rank on pushing tow key 17 push away 19 promotion switch blocks 28 untie-sell 30 that rotates rotates and shifts out in oblique locked groove 26, removes the locking to front lock core 2; Pushing tow key 17 is through behind special bitting hole 16, and the front end of pushing tow key 17 is inserted promotion connector 3 in stealthy hole and inserted in connecting hole 12, completes the connection with front lock core 2 and rear lock core 13; While connector 3 movement, connector 3 moves after driving and pushing away handle 31 and promotes turning handle 34 and rotate, and drive rotating disk 32 and corner 33 to rotate, corner 33 rotates and shifts out rotation locked groove, removes the locking to front lock core 2; While pushing tow key 17 inserts special bitting hole 16, propulsion arm 18 moves after also inserting and promoting sliding bar 25 in sliding eye 23, sliding shoe 6 slides in sliding tray 7, under the oblique guiding on the deep-slotted chip breaker slip arcwall face on sliding shoe 6 or the inclined-plane of surface groove and extruding, the expansion end of expanding plate 8 is drawn close in expansion groove 9, expanding plate 8 by the radian face of sliding shoe 6 press-in expansion groove 9 along with moving after sliding shoe 6, leaves lock groove 24, opens inner support locking; Meanwhile, sliding bar 25 moves after driving locking head 21 and compresses locking spring 10, makes locking head 21 all enter in locking bearing bore 11 locking removed rear lock core 13; Now, rotate special bitting, rear lock core 13 rotates with front lock core 2 and is with the tongue 14 that is dynamically connected to rotate, and connects tongue 14 and drives link gear open dead bolt and unblank.

When pushing tow key 17 exits special bitting hole 16, corner 33 under the powered of torsional spring 35 around steady pin rotate and enter rotate locked groove internal lock dead before lock core 2, complete the locking to front lock core 2; The untie-sell 30 that rotates under the powered of top spring 29 of the locking end of switch block 28 rotates and enters locked front lock core 2 in oblique locked groove 26, completes the locking to front lock core 2; Locking head 21 enters in the locking hole 20 on rear lock core 13 under the promotion of locking spring 10, completes the locking to rear lock core 13; The radian face that sliding shoe 6 moves forward and makes the expansion end leaving expanding plate 8 leave sliding shoe 6 under the promotion of locking spring 10 arrives the position of sliding tray 7, and expanding plate 8 is pressed in lock groove 24 under the powered of natural resiliency, completes the locking to front lock core 2; Connector 3, under the promotion of return spring 4, exits connecting hole 12 and enters in stealthy hole completely, makes front lock core 2 disconnect completely with rear lock core 13 and can not be connected.

When robber or the king that unblanks unblank with technical tool, stretch into steel wire and can not find the pellet of cylinder lock in special bitting hole 16 and be puzzled, because switch block 28 does not have elasticity and can not be compressed, in special bitting hole 16, expanding plate 8 cannot be pressed in expansion groove 9 again and open interior expansion locking, asynchronous interlocking can not be opened in locking head 21 all press-in locking bearing bore 11 from sliding eye 23, oblique locking device can't be opened, more can not open hiding rotary catch; Even if robber or the king that unblanks open interior expansion locking, asynchronous interlocking and oblique locking device, do not rotate front lock core 2 because of the locked front lock core 2 of rotary catch yet; Even if robber or the front lock core 2 of king's forced rotating of unblanking, but rear lock core 13 can not be rotated because the connector 3 in stealthy hole is not connected with rear lock core 13.

Robber or unblank king need not specially bitting is unblanked time, enter after not having pushing tow key 17 to insert special bitting hole 16 in stealthy hole promote connector 3 enter in connecting hole 12, front lock core 2 and rear lock core 13 cannot be made simultaneously to rotate, can not theftproof lock be opened; Do not have pushing tow key 17 to insert the promote-side promoting switch block 28 in special bitting hole 16 and can not open oblique locking device, front lock core 2 cannot be made to rotate; Not having pushing tow key 17 to insert promotion connector 3 in stealthy hole drives rotating disk 32 rotation to open rotary catch, and front lock core 2 cannot be made to rotate; There is no the promotion of the propulsion arm 18 in special bitting, asynchronous interlocking and interior expansion locking can not be opened, sliding shoe 6 can not be made to move and make lock groove 24 extrude expanding plate 8 to make expanding plate 8 exit lock groove 24 and front lock core 2 can not be rotated, locking head 21 can not be made to enter locking bearing bore 11 completely and exit locking hole 20, rear lock core 13 cannot be rotated, can not theftproof lock be opened; Add the difficulty of pirate of the open lock, thus play that asynchronous locking, interior expansion locking, self-locking, connection are stealthy, the effect of multiple locking and multiple safety.

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate 8, switch block 28, rotating disk 32 and corner 33, the front lock core 2 of forced rotating, rear lock core 13 is not connected with front lock core 2 in stealthy hole because the locking of locking head 21 and connector 3 are hidden in and do not rotate with front lock core 2, plays anti-theft function.

Claims

1. antitheft mechanical interlocked without playing a multi-lock, it is characterized in that: the described antitheft mechanical interlocked latch system not having cylinder lock without bullet multi-lock, only have interior expansion latch system, oblique locking device, rotary catch, asynchronous interlock system, synchronized links system, mainly comprises: lock body (1), front lock core (2), rear lock core (13), connector (3), return spring (4), draw hole (5), sliding eye (23), sliding bar (25), sliding tray (7), sliding shoe (6), lock groove (24), expansion groove (9), expanding plate (8), locking spring (10), locking bearing bore (11), connecting hole (12), connect tongue (14), spring bearing bore (15), special bitting hole (16), special bitting, locking head (21), fore-set (22), locking hole (20), skewed slot (27), oblique locked groove (26), switch block (28), rotational pin (30), top spring (29), swivelling chute, rotate locked groove, push away handle (31), rotating disk (32), turning handle (34), corner (33), torsional spring (35), steady pin,

Be provided with front lock core (2) and rear lock core (13) in described lock body (1), rear lock core (13) is movably arranged on the rearward end of front lock core (2), disconnects completely with front lock core (2); Have in described front lock core (2) and draw hole (5), sliding eye (23), sliding tray (7), skewed slot (27), swivelling chute, specially bitting hole (16) and stealthy hole, connector (3) is installed in stealthy hole; Locking hole (20) and connecting hole (12) in described rear lock core (13) is upper, the rear end of rear lock core (13) is fixed with and connects tongue (14), be connected with link gear after connecting the via hole of tongue (14) through lock body (1) rear portion, link gear is connected with dead bolt; Have before described sliding tray (7) and draw hole (5), sliding shoe (6) is installed in sliding tray (7), sliding shoe (6) there is lock groove (24), be provided with sliding bar (25) in sliding tray (7) sliding eye below (23), the front end of sliding bar (25) withstands on that sliding shoe (6) is upper, rear end withstands on fore-set (22); Described fore-set (22) and locking head (21) are arranged in locking hole (20), one end of locking head (21) withstands on fore-set (22), the other end is pressed on locking spring (10), and locking spring (10) is arranged in locking bearing bore (11); Described expansion groove (9) internal fixtion has expanding plate (8), and the expansion side pressure of expanding plate (8) and sliding shoe (6) are engaged in lock groove (24); In described skewed slot (27), oblique locking device is installed, in swivelling chute, rotary catch is installed;

There are lock core hole and via hole in center in described lock body (1), and via hole is used to allow and connects hole that tongue (14) passes, rearward end in lock body (1), lock core hole circular hole, before via hole; Be provided with lock core in lock core hole, lock core comprises front lock core (2) and rear lock core (13), and front lock core (2) is arranged on before rear lock core (13); The rearward end of described lock core hole has locking bearing bore (11), and the circular hole part of lock core hole has expansion groove (9), tiltedly locked groove (26) and rotates locked groove; Described locking bearing bore (11) is bearing bore or blind hole, in the rearward end of lock core hole close in the outer rim of lock core hole, lock body (1) after the rearward end of rear lock core (13), identical with the position of the locking hole (20) on rear lock core (13) and corresponding mutually through with locking hole (20) under asynchronous lockup state, there is locking spring (10) in locking bearing bore (11); Described expansion groove (9) is the recessed groove on the lock core hole in lock body (1), for the fixed end of fixing expanding plate (8) and the entirety holding expanding plate (8) when allowing the expansion end of expanding plate (8) be squeezed, corresponding with the position of the sliding tray (7) on front lock core (2), and communicate; Described oblique locked groove (26) caves in, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot (27) on front lock core (2) on lock core hole, for allowing lock core (2) rotation before movable and locking inside of the locking end of switch block (28); Described rotation locked groove caves in, along the cannelure on lock core hole direction, corresponding with the position of the swivelling chute on front lock core (2) on lock core hole, for allowing corner (33) lock core (2) rotation before movable and locking inside;

There are special bitting hole (16), stealthy hole, skewed slot (27), swivelling chute in described front lock core (2), draw hole (5), sliding tray (7) and sliding eye (23), described special bitting hole (16) and stealthy hole are all in the centre that front lock core (2) rotates or the centre close to rotation, and special bitting hole (16) is before stealthy hole; Be provided with connector (3) in described stealthy hole, there is stealthy hole the front end of connector (3), is provided with return spring (4) in stealthy hole; Described skewed slot (27) wears out outer round surface and the special bitting hole (16) of front lock core (2) on the lock core of special bitting hole (16) part of front lock core (2), communicate with oblique locked groove (26) and special bitting hole (16), and corresponding with the oblique locked groove (26) on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate; Described swivelling chute wears out the outer round surface of front lock core (2) and stealthy hole on the lock core of the stealthy bore portion of front lock core (2), communicate with rotation locked groove and stealthy hole, and corresponding with the rotation locked groove on lock core hole, for installing rotary locking and allowing the parts of rotary locking operate; Described to draw hole (5) be passing hole, the neutral gear place beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), communicates with sliding tray (7) before sliding tray (7); Described sliding tray (7) is the groove of key slot type, there are rank the inside of sliding tray (7) or do not have rank, neutral gear place beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), drawing after hole (5), before sliding eye (23), wearing out the outer round surface of front lock core (2), communicate with drawing hole (5), sliding eye (23) and expand groove (9), for installing sliding shoe (6) and allowing sliding shoe (6) can slide anteroposterior; Described sliding eye (23) is after sliding tray (7), the rear end face of front lock core (2) is run through at neutral gear place beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), communicate with sliding tray (7) and locking hole (20), there are rank the inside of sliding eye (23) or do not have rank, for installing sliding bar (25) and sliding bar (25) can be slided in sliding eye (23); Described hole (5) of drawing is connected in one with sliding tray (7) and sliding eye (23);

The center of the rear end of described rear lock core (13) is fixed with and connects tongue (14) through the via hole after lock body (1), there is the connecting hole (12) of depression the front end of the center of rotation of rear lock core (13), has locking hole (20) in the outside of connecting hole (12); Described connecting hole (12) 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 (15) is with or without in the bottom of connecting hole (12), when the bottom of described connecting hole (12) does not have spring bearing bore (15), spring bearing bore (15) is located at the rearward end of connector (3), be provided with return spring (4) in spring bearing bore (15), one end of return spring (4) withstands on the bottom of connecting hole (12); When spring bearing bore (15) arranged at the bottom of described connecting hole (12), the core that spring bearing bore (15) and connecting hole (12) rotate at rear lock core (13) or the part close to center of rotation, spring bearing bore (15) is later through connecting hole (12) above, be provided with return spring (4) in spring bearing bore (15), one end of return spring (4) withstands on the rearward end of connector (3); Described locking hole (20) is through hole, runs through the front/rear end of rear lock core (13) at the peripheral edge portion rotated close to rear lock core (13);

When having spring bearing bore (15) in described rear lock core (13), spring bearing bore (15) is at the connecting hole (12) passed back through above of the bottom of connecting hole (12); When there is no spring bearing bore (15) in described rear lock core (13), spring bearing bore (15) rearward end in connector (3); Described spring bearing bore (15) also can simultaneously in the rearward end of connector (3) and the bottom of connecting hole (12); Described spring bearing bore (15) is bearing bore or blind hole, for installing return spring (4); Described return spring (4) 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 (12), when connector (3) slides in stealthy hole, its rear end can be inserted in the connecting hole (12) in rear lock core (13), for connecting front lock core (2) and rear lock core (13);

An oblique locking device is had at least in a lock; Described oblique locking device comprises skewed slot (27), tiltedly locked groove (26), switch block (28), rotational pin (30), top spring (29), described switch block (28) is fixed in skewed slot (27) by rotational pin (30), the promote-side of switch block (28) is stretched in special bitting hole (16), locking end stretches in oblique locked groove (26), and the top, one end on top spring (29) is pressed on switch block (28), other end top is pressed on the wall of skewed slot (27); Rank on pushing tow key (17) push away (19) when promoting the promote-side of exposing switch block (28) in special bitting hole (16), the untie-sell (30) that rotates of the locking end of switch block (28) in oblique locked groove (26) rotates and shifts out in oblique locked groove (26), thus removes locking to front lock core (2); When pushing tow key (17) does not insert in special bitting hole (16), locking end locked front lock core (2) in oblique locked groove (26) of switch block (28);

Described switch block (28) is the blocks of bar shaped, and there is pin-and-hole at the middle part of blocks, and rotational pin (30) is through pin-and-hole; In special bitting hole (16) the same side to key in polylith switch block (28) are installed time, expose the part switch block (28) in special bitting hole (16), one piece of ratio below one piece short before it; Described switch block (28) can rotate in skewed slot (27) untie-sell (30) rotate, can not rotate in lock core hole for lock core before locking (2);

Described rotational pin (30) is pin or bolt, is fixed in the fixing hole in skewed slot (27), for fixing switch block (28);

Described top spring (29) is stage clip or torsion spring;

A rotary catch is had at least in a lock, described rotary catch comprises swivelling chute, rotate locked groove, push away handle (31), rotating disk (32), turning handle (34), corner (33), torsional spring (35), steady pin, described push away handle (31) at swivelling chute internal fixtion on connector (3), described rotating disk (32) is fixed in swivelling chute by steady pin, rotating disk (32) is fixed with corner (33) and turning handle (34), part or all of corner (33) is in rotation locked groove, turning handle (34) points to the direction in stealthy hole in swivelling chute, handle (31) restriction turning handle (34) pivotal angle is pushed away before turning handle (34), torsional spring (35) is had to push up pressure below, the top, one end of torsional spring (35) is pressed on turning handle (34), other end top is pressed on the wall of swivelling chute, when inserting promotion connector (3) in stealthy hole in the front end of pushing tow key (17), connector (3) drives and pushes away handle (31) promotion turning handle (34), turning handle (34) rotates in drive rotating disk (32) and corner (33), and corner (33) rotates and enters in swivelling chute the locking removed front lock core (2), when the front end of pushing tow key (17) is not inserted in stealthy hole, corner (33) is lock core (2) before rotation locked groove internal lock is dead,

It is described that to push away handle (31) be strip shape body, be fixed on connector (3) upper, be arranged in swivelling chute, rotate around steady pin for pushing away handle (31);

Described rotating disk (32) and turning handle (34), corner (33) are an entirety, or combining of separating;

Described rotating disk (32) is the disc or blocks that can rotate around steady pin, and the centre of rotating disk (32) is porose, and steady pin is through the hole in the middle of rotating disk (32); Described rotating disk (32) pushes away handle (31) and corner (33) for connecting;

Described turning handle (34) is fixed on the strip shape body on rotating disk (32), rotates for driving rotating disk (32);

Described corner (33) is fixed on the blocks on rotating disk (32), is partly or entirely arranged on and rotates in locked groove, can not rotate for lock core before locking (2) in lock core hole;

Described torsional spring (35) is stage clip or torsion spring;

Described steady pin is pin or bolt, is fixed in the fixing hole rotated in locked groove, for fixing rotating disk (32);

Have at least in an asynchronous interlock and one in a lock and expand locking system; Described asynchronous interlocking comprises locking bearing bore (11), locking hole (20), locking spring (10), locking head (21), fore-set (22), sliding eye (23) and sliding bar (25); Described locking spring (10) is arranged in locking bearing bore (11), locking head (21) is arranged on before locking spring (10), locking head (21) and fore-set (22) are installed in locking hole (20), sliding bar (25) to be installed in sliding eye (23) and to stretch in sliding tray (7) before fore-set (22), and the front end of sliding bar (25) withstands on that sliding shoe (6) is upper, rear end withstands on fore-set (22); Have in described locking hole (20) in locking head (21) and fore-set (22) or locking hole (20) and have fore-set (22) and sliding bar (25), locking head (21) is in locking bearing bore (11), or locking head (21) can simultaneously in locking hole (20) and in locking bearing bore (11); When promotion sliding shoe (6) in hole (5) is drawn in propulsion arm (18) insertion, locking head (21), in locking bearing bore (11), has fore-set (22) and sliding bar (25) in locking hole (20); Under the lockup state of static state or when not having propulsion arm (18) insertion to draw in hole (5), one end of locking head (21) is in locking hole (20), the other end, in locking bearing bore (11), has locking head (21) and fore-set (22) in locking hole (20);

The length of described sliding bar (25) is longer than the length of sliding eye (23), and sliding bar (25) can slide anteroposterior in sliding eye (23);

Described locking spring (10) is stage clip;

Described locking head (21) is cylinder or bores cylinder or stepped cylinder; Described fore-set (22) is spheroid or oval ball or cylinder;

Described sliding bar (25) is cylinder or stairstepping cylinder, front end can be stretched in sliding tray (7), rear end can enter locking hole (20), and sliding bar (25) is for transmitting the motive force of propulsion arm (18) and promoting fore-set (22) and locking head (21);

Described interior expansion locking comprises and draws hole (5), sliding tray (7), sliding shoe (6), lock groove (24), expanding plate (8) and expansion groove (9), described hole (5) of drawing communicates with sliding tray (7) before sliding tray (7), described sliding tray (7) is drawing after hole (5), is wearing out the outer round surface of front lock core (2) before sliding eye (23), be provided with sliding shoe (6) in sliding tray (7), sliding bar (25) extend in sliding tray (7) in sliding eye (23), the fixed end of described expanding plate (8) is fixed in expansion groove (9), the expansion end of expanding plate (8) coordinates with the lock groove (24) on sliding shoe (6) and is pressed in lock groove (24), expanding plate (8) in expansion groove (9) or expanding plate (8) simultaneously at lock groove (24) with expand in groove (9), propulsion arm (18) do not insert draw in hole (5) time, the fixed end of described expanding plate (8) in expansion groove (9), expansion end in lock groove (24) front lock core (2) and lock body (1) locked, front lock core (2) can not rotate in lock body (1), expands locking in realizing, when promotion sliding shoe (6) in hole (5) is drawn in propulsion arm (18) insertion, arcwall face in lock groove (24) when the expansion end of expanding plate (8) moves after sliding shoe (6) on sliding shoe (6) or the oblique compression on inclined-plane are with under guiding, fixed end along expanding plate (8) is drawn close to expansion groove (9), along with the continuation of propulsion arm (18) promotes sliding shoe (6), the expansion end of expanding plate (8) slips over arcwall face in the sliding tray (7) on sliding shoe (6) or sloped roof is pressed on the radian face of sliding shoe (6), now the expansion end of expanding plate (8) enters in expansion groove (9), the locking of lock core (2) and lock body (1) before removing,

The length of described sliding tray (7) is longer than the length of sliding shoe (6), and sliding shoe (6) can slide anteroposterior in sliding tray (7);

Described sliding shoe (6) is cylinder or stairstepping cylinder, be arranged on the one side concordant with the periphery of front lock core (2) in sliding tray (7) and have the radian face consistent with the radian of the periphery of front lock core (2), radian face has lock groove (24); Described lock groove (24) is deep-slotted chip breaker or surface groove, deep-slotted chip breaker has arcwall face, surface groove has inclined-plane; Described lock groove (24) is for holding the expansion end of expanding plate (8) and the expansion end of expanding plate (8) can be slided in lock groove (24);

The both sides end face of described expanding plate (8) is the face of lock core before pintle hook lock (2) and lock body (1), and the fixed end of expanding plate (8) is arranged in expansion groove (9), expansion end is pressed in the lock groove (24) on sliding shoe (6); Described expanding plate (8) is spring leaf or flexure strip, or the assembly of rigid disk and tension spring, between the bottom that tension spring top is pressed in expansion groove (9) and expanding plate (8);

Described special bitting comprises pushing tow key (17) and propulsion arm (18) and the shank of the key, and pushing tow key (17) and propulsion arm (18) are fixed on the shank of the key; Described the shank of the key is the shank of key, and propulsion arm (18) is cylinder, and pushing tow key (17) is promotion key, is the key not having the oblique flank of tooth of marble lock key; The part that pushing tow key (17) inserts the key in special bitting hole (16) have at least a lateral to be the blank key shape not having the key flank of tooth; The part that pushing tow key (17) inserts the key in special bitting hole (16) has at least on a lateral has rank to push away (19), and rank push away (19) for promoting the promote-side of switch block (28); It is the rank that pushing tow key (17) inserts that the aft section of the part of the key in special bitting hole (16) is wide, previous section is narrow and formed that described rank push away (19); Described pushing tow key (17) length is longer than the length of special bitting hole (16), and the part that the length of pushing tow key (17) is longer than special bitting hole (16) is used for promoting connector (3) insertion connecting hole (12); In order to confuse robber, increase unlocking difficulty, front lock core (2) is provided with or does not establish false sliding eye (23), when being only provided with false sliding eye (23) on front lock core (2), special bitting can being provided with false propulsion arm (18) or thering is no false propulsion arm (18);

In order to increase safety and the disguise of theftproof lock, rear lock core (13) 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 (13); The locked front lock core (2) of switch block (28) of oblique locking device realizes interlocking stealth, does not have pushing tow key (17) to insert the promote-side promoting switch block (28) in special bitting hole (16) and can not open oblique locking device; The locked front lock core (2) of corner (33) of rotary catch realizes interlocking stealth, and not having pushing tow key (17) to insert promotion connector (3) in stealthy hole can not open rotary catch; Locking head (21) is simultaneously in locking bearing bore (11) and in locking hole (20), pin rear lock core (13) can not rotate, realize the asynchronous locking of lock core, not having propulsion arm (18) insertion to draw promotion sliding shoe (6) in hole (5) can not push locking head (21) locking can not untied rear lock core (13) in locking bearing bore (11) completely; Expanding plate (8) is simultaneously in lock groove (24) and in expansion groove (9), do not have propulsion arm (18) to insert and draw promotion sliding shoe (6) in hole (5), sliding shoe (6) can not move, arcwall face in lock groove (24) or inclined-plane can not guide and oblique compression expanding plate (8), expanding plate (8) can not enter in expansion groove (9), can not remove the locking to front lock core (2);

In order to increase the interlocking capability of theftproof lock, disguise and anti-theft effect, adopting locking head (21) to pin rear lock core (13) and not rotating with front lock core (2) and realize the asynchronous locking of lock core and asynchronous interlocking; Expanding plate (8) locked front lock core (2) is adopted to realize interior expansion locking; Adopt switch block (28) front lock core (2) and lock body (1) locked and rotating disk (32) and corner (33) locked to front lock core (2) and lock body (1) realize rotating interlock; Before adopting lock core (2) and rear lock core (13) completely disconnected be hidden in stealthy hole to come with connector (3) realize being connected stealth;

When unblanking with special bitting, special bitting hole (16) is inserted with the pushing tow key (17) of special bitting, in the process inserted, rank on pushing tow key (17) push away (19) promote switch block (28) promote-side rotate untie-sell (30) rotate and shift out in oblique locked groove (26), remove the locking to front lock core (2), pushing tow key (17) is through after special bitting hole (16), the front end of pushing tow key (17) is inserted in stealthy hole and is promoted, in connector (3) insertion connecting hole (12), to complete the connection with front lock core (2) and rear lock core (13), while connector (3) movement, connector (3) moves after driving and pushing away handle (31) and promotes turning handle (34) rotation, rotating disk (32) and corner (33) is driven to rotate, corner (33) rotates and shifts out rotation locked groove, removes the locking to front lock core (2), while pushing tow key (17) inserts special bitting hole (16), propulsion arm (18) moves after also inserting and promoting sliding bar (25) in sliding eye (23), sliding shoe (6) slides in sliding tray (7), under the oblique guiding on the deep-slotted chip breaker slip arcwall face on sliding shoe (6) or the inclined-plane of surface groove and extruding, the expansion end of expanding plate (8) is drawn close in expansion groove (9), expanding plate (8) is expanded in groove (9) along with moving after sliding shoe (6) by the press-in of the radian face of sliding shoe (6), leave lock groove (24), open inner support locking, meanwhile, sliding bar (25) moves after driving locking head (21) and compresses locking spring (10), makes locking head (21) all enter in locking bearing bore (11) locking removed rear lock core (13), now, rotate special bitting, rear lock core (13) rotates with front lock core (2) and is with the tongue (14) that is dynamically connected to rotate, and connects tongue (14) and drives link gear open dead bolt and unblank,

When pushing tow key (17) exits special bitting hole (16), corner (33) under the powered of torsional spring (35) around steady pin rotate and enter rotate locked groove internal lock dead before lock core (2), complete the locking to front lock core (2); The untie-sell (30) that rotates under the powered on top spring (29) of the locking end of switch block (28) rotates and enters locked front lock core (2) in oblique locked groove (26), completes the locking to front lock core (2); Locking head (21) enters in the locking hole (20) on rear lock core (13) under the promotion of locking spring (10), completes the locking to rear lock core (13); The radian face that sliding shoe (6) moves forward and makes the expansion end leaving expanding plate (8) leave sliding shoe (6) under the promotion of locking spring (10) arrives the position of sliding tray (7), expanding plate (8) is pressed in lock groove (24) under the powered of natural resiliency, completes the locking to front lock core (2); Connector (3), under the promotion of return spring (4), exits connecting hole (12) and enters in stealthy hole completely, makes front lock core (2) disconnect completely with rear lock core (13) and can not be connected;

When robber or the king that unblanks unblank with technical tool, stretch into steel wire and can not find the pellet of cylinder lock in special bitting hole (16) and be puzzled, because switch block (28) does not have elasticity and can not be compressed, interior expansion locking cannot be opened in expanding plate (8) press-in expansion groove (9) again in special bitting hole (16), asynchronous interlocking can not be opened in locking head (21) all press-in locking bearing bore (11) from sliding eye (23), oblique locking device can't be opened, more can not open hiding rotary catch; Even if robber or the king that unblanks open interior expansion locking, asynchronous interlocking and oblique locking device, do not rotate front lock core (2) because of the locked front lock core (2) of rotary catch yet; Even if robber or the front lock core of king's forced rotating (2) of unblanking, but rear lock core (13) can not be rotated because the connector (3) in stealthy hole is not connected with rear lock core (13);

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 (16) enters in connecting hole (12), front lock core (2) and rear lock core (13) cannot be made simultaneously to rotate, can not theftproof lock be opened; Do not have pushing tow key (17) to insert the promote-side promoting switch block (28) in special bitting hole (16) and oblique locking device can not be opened, front lock core (2) cannot be made to rotate; Not having pushing tow key (17) to insert promotion connector (3) in stealthy hole drives rotating disk (32) rotation to open rotary catch, and front lock core (2) cannot be made to rotate; There is no the promotion of the propulsion arm (18) in special bitting, asynchronous interlocking and interior expansion locking can not be opened, sliding shoe (6) can not be made mobile and make lock groove (24) extruding expanding plate (8) make expanding plate (8) exit lock groove (24) and front lock core (2) can not be rotated, locking head (21) can not be made to enter locking bearing bore (11) completely and exit locking hole (20), rear lock core (13) cannot be rotated, can not theftproof lock be opened; Add the difficulty of pirate of the open lock, thus play that asynchronous locking, interior expansion locking, self-locking, connection are stealthy, the effect of multiple locking and multiple safety;

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate (8), switch block (28), rotating disk (32) and corner (33), forced rotating front lock core (2), rear lock core (13) is not connected and does not rotate with front lock core (2) because the locking of locking head (21) and connector (3) are hidden in stealthy hole with front lock core (2), plays anti-theft function.

2. according to claim 1 antitheft mechanical interlocked without play multi-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 (13); Adopt expanding plate (8), switch block (28), rotating disk (32) and corner (33) to be hidden in lock core and lock body (1) to realize interlocking stealth; Adopt locking head (21) to be hidden in locking hole (20) and locking bearing bore (11) and realize the stealth of asynchronous locking.

3. according to claim 1 antitheft mechanical interlocked without playing multi-lock, it is characterized in that: sliding shoe (6) can be promoted smoothly in order to make the propulsion arm in special bitting (18), the length of described sliding shoe (6) is shorter than the length of sliding tray (7), and propulsion arm (18) can insert to draw in hole (5) and promote sliding shoe (6);

In order to make the pushing tow key (17) in special bitting can promote connector (3) smoothly, described pushing tow key (17) is longer than special bitting hole (16).

4. according to claim 1 antitheft mechanical interlocked without playing multi-lock, it is characterized in that: in order to interior expansion locking can be opened, behind arcwall face when sliding shoe (6) is mobile in deep-slotted chip breaker or inclined-plane oblique compression expanding plate (8) in surface groove, the expansion end of expanding plate (8) withstands on the radian face of sliding shoe (6), makes expanding plate (8) exit in expansion groove (9) and open interior expansion locking.

5. according to claim 1 antitheft mechanical interlocked without playing multi-lock, it is characterized in that: under the promotion of locking spring (10), do not enter sliding eye (23) in order to making locking head (21) or fore-set (22), the aperture of the sliding eye (23) in described front lock core (2) is equal or unequal with the aperture of the locking hole (20) in rear lock core (13), the diameter of locking head (21) and fore-set (22) and the equal diameters or unequal of sliding bar (25); Described locking head (21) and fore-set (22) are an entirety, or the assembly separated.

6. according to claim 1 antitheft mechanical interlocked without playing multi-lock, it is characterized in that: the expansion scope of application, the described antitheft mechanical interlocked place without playing multi-lock and be applicable to the antitheft door of all kinds of needs, cabinet and so on is installed and used, 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;

Described antitheft mechanical interlocked without play multi-lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Locking head (21) locked rear lock core (13), the locked front lock core (2) of expanding plate (8), switch block (28), corner (33) and rotating disk (32), front lock core (2) and rear lock core (13) disconnect completely, make robber and Wang Wufa rotation rear lock core (13) that unblanks, achieve the theftproof lock integrating asynchronous interlocking, stealth, self-locking, synchronized links, safety parameters is high; Even if be also merely able to rotate front lock core (2) part after the means of robber and king's cruelty of unblanking have damaged interior expansion locking and coupling part, can not rotate be hidden in front lock core (2) below rear lock core (13), front lock core (2) is rotated and rear lock core (13) non rotating, serves real anti-theft function.

7. an antitheft mechanical interlocked manufacture method without playing multi-lock, it is characterized in that: lock body (1) during fabrication, via hole is had in the upper manufacture of lock body (1), lock core hole, oblique locked groove (26), rotate locked groove, expansion groove (9) and locking bearing bore (11), the centre that lock core hole is manufactured on rear locking (1) is used for installing lock core, the via hole for allowing connection tongue (14) pass is had in the manufacture below of lock core hole, locking bearing bore (11) is had in the upper manufacture of lock body (1) close to lock core hole outer rim in the rearward end of lock core hole, the center line of locking bearing bore (11) and locking hole (20) and sliding eye (23) on the same line, the mid portion manufacture of the lock core hole in lock body (1) has expansion groove (9), described expansion groove (9) is manufactured on the lock core hole in lock body (1), creates the groove of depression, communicates with lock core hole, corresponding with the sliding tray (7) on front lock core (2), described oblique locked groove (26) is manufactured on lock core hole, cause depression, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot (27) on front lock core (2), for allowing lock core (2) rotation before movable and locking inside of the locking end of switch block (28), described rotation locked groove is manufactured on lock core hole, create depression, along the cannelure on lock core hole direction, corresponding with the position of the swivelling chute on front lock core (2), for allowing corner (33) lock core (2) rotation before movable and locking inside,

Lock core during fabrication, carries out division system lock core and causes front lock core (2) and rear lock core (13); During fabrication, the upper manufacture of front lock core (2) has draws hole (5), sliding tray (7), sliding eye (23), skewed slot (27), swivelling chute, stealthy hole and special bitting hole (16) to described front lock core (2); The center of rotation position that described special bitting hole (16) and stealthy hole are manufactured on front lock core (2) is connected, specially join stealthy hole above, stealthy hole later; The shape of described special bitting hole (16) and the shape of pushing tow key (17) same or similar, the front portion of stealthy hole and connector (3) is same or similar; Described hole (5) of drawing creates passing hole, neutral gear place beyond the special bitting hole (16) being manufactured on the peripheral edge portion rotated close to front lock core (2), is manufactured on before sliding tray (7) and communicates with sliding tray (7); The inside of described sliding tray (7) creates rank or does not have the groove of key slot type on rank, neutral gear place beyond the special bitting hole (16) being manufactured on the peripheral edge portion rotated close to front lock core (2), be manufactured on and draw after hole (5), before sliding eye (23), wear out the periphery of front lock core (2), communicate with drawing hole (5), sliding eye (23) and expand groove (9), corresponding with the position of the expansion groove (9) on lock body (1), the length that sliding tray (7) manufactures is longer than the length of sliding shoe (6); Described sliding eye (23) is manufactured on after sliding tray (7), the rear end face of front lock core (2) is run through at neutral gear place beyond the special bitting hole (16) being manufactured on the rotated edge position of front lock core (2), the inside of sliding eye (23) manufactures to be had rank or not to manufacture rank, parallel with special bitting hole (16) with lock core hole, communicates with the locking hole (20) on sliding tray (7) and rear lock core (13); Described hole (5) of drawing creates one with sliding tray (7) and sliding eye (23); The lock core that described skewed slot (27) is manufactured on special bitting hole (16) part of front lock core (2) is worn out outer round surface and the special bitting hole (16) of front lock core (2), communicate with oblique locked groove (26) and special bitting hole (16), and corresponding with the oblique locked groove (26) on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate; The lock core that described swivelling chute is manufactured on the stealthy bore portion of front lock core (2) wears out the outer round surface of front lock core (2) and stealthy hole, communicate with rotation locked groove and stealthy hole, and corresponding with the rotation locked groove on lock core hole, for installing rotary locking and allowing the parts of rotary locking operate;

During fabrication, the upper manufacture of rear lock core (13) has locking hole (20), connecting hole (12) to rear lock core (13); Described connecting hole (12) creates 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 (13), coordinate with the aft section of connector (3), parallel with lock core hole with locking hole (20), can be through with the stealthy hole on front lock core (2); Described locking hole (20) is manufactured on the rotated edge position of rear lock core (13), parallel with connecting hole (12) with lock core hole, communicate with the locking bearing bore (11) on rear locking (1) and the sliding eye (23) on front lock core (2);

Unblank to enable special bitting, described special bitting during fabrication, pushing tow key (17) and propulsion arm (18) are manufactured on the shank of the key, the shank of the key of special bitting, pushing tow key (17) and propulsion arm (18) three part are manufactured as a whole, or is combined into as a whole after separately manufacturing; Described propulsion arm (18) creates cylinder or cone cylinder; Described pushing tow key (17) creates the promotion key not having the oblique flank of tooth of marble lock key, and the part that pushing tow key (17) inserts the key in special bitting hole (16) has at least a lateral to create the blank key shape not having the key flank of tooth; The part that pushing tow key (17) inserts the key in special bitting hole (16) has at least manufacture on a lateral have rank to push away (19), rank push away (19) for promoting the promote-side of switch block (28); Described rank push away (19) and create pushing tow key (17) and insert the wide and rank that formed narrow with previous section of the aft section of the part of the key in special bitting hole (16); The length that described pushing tow key (17) manufactures is longer than the length of special bitting hole (16), and the part that the length of pushing tow key (17) is longer than special bitting hole (16) is used for promoting connector (3) insertion connecting hole (12); Described pushing tow key (17) creates with the shape of special bitting hole (16) same or similar, and special bitting hole (16) creates the hole of single groove or multiple-grooved or multidirectional groove; Described multidirectional groove comprises V-shaped groove, U-lag, two-way chute, three-dimensional groove, cross recess, five to groove, six to groove, seven to groove, eight to groove, plum blossom groove;

Described connector (3) during fabrication, connector (3) is created anterior consistent with the shape in stealthy hole, the cylinder that rear portion is consistent with the shape of connecting hole (12), the front end of connector (3) is created the shape that can coordinate with the front end of pushing tow key (17), allow pushing tow key (17) that connector (3) can be promoted slide in stealthy hole and in connecting hole (12), when connector (3) slides in stealthy hole, its rear end can be inserted in connecting hole (12), for connecting front lock core (2) and rear lock core (13),

Described spring bearing bore (15) during fabrication, spring bearing bore (15) be manufactured on the bottom of connecting hole (12) and pass connecting hole (12), or spring bearing bore (15) is manufactured on the rearward end of connector (3), or spring bearing bore (15) is manufactured on the rearward end of connector (3) and the bottom of connecting hole (12) simultaneously; Spring bearing bore (15) is created blind hole or bearing bore, for installing return spring (4); Described return spring (4) creates stage clip;

Locking spring (10) creates stage clip;

Locking head (21) and fore-set (22) manufacture as a whole, or separately manufacture rear recombinant together; Described locking head (21) creates cylinder or bores cylinder or stepped cylinder; Described fore-set (22) creates spheroid or oval ball or cylinder;

Sliding bar (25) creates cylinder or stairstepping cylinder, and front end can be stretched in sliding tray (7), and rear end can enter locking hole (20);

Sliding shoe (6) creates the slide block of keyed, be arranged on the previous section of sliding tray (7), can slide anteroposterior in sliding tray (7), being arranged on the one side concordant with the periphery of front lock core (2) in sliding tray (7) creates with the radian of the periphery of front lock core (2) consistent, the upper manufacture of sliding shoe (6) of the one side concordant with the periphery of front lock core (2) has lock groove (24), and the radian face of lock groove (24) creates consistent with the radian of the periphery of front lock core (2); The length that described sliding shoe (6) manufactures is shorter than the length of sliding tray (7); Described lock groove (24) creates deep-slotted chip breaker or surface groove, and deep-slotted chip breaker manufactures arcwall face, and surface groove manufactures inclined-plane;

Expanding plate (8) creates spring leaf or flexure strip, or creates the assembly of rigid disk and tension spring, between the bottom that tension spring top is pressed in expansion groove (9) and expanding plate (8); The both sides end face of expanding plate (8) creates the face of lock core (2) and lock body (1) before pintle hook lock;

Switch block (28) creates the blocks of bar shaped, and the middle part of blocks manufactures pin-and-hole, and rotational pin (30) is through pin-and-hole; In special bitting hole (16) the same side to key in polylith switch block (28) are installed time, expose the part switch block (28) in special bitting hole (16), one piece of ratio below one piece short before it; Described switch block (28) is arranged in skewed slot (27) untie-sell (30) that can rotate and rotates, and can not rotate in lock core hole for lock core before locking (2);

Rotational pin (30) and steady pin create pin or bolt; Described rotational pin (30) is fixed in the fixing hole in skewed slot (27), for fixing switch block (28); Described steady pin is fixed in the fixing hole in rotation locked groove, for fixing rotating disk (32);

Top spring (29) and torsional spring (35) create stage clip or torsion spring;

Push away handle (31) and create strip shape body, being fixed on connector (3), being arranged in swivelling chute, rotating around steady pin for pushing away handle (31);

Rotating disk (32) and turning handle (34), corner (33) manufacture as a whole, or combine after manufacturing respectively; Described rotating disk (32) creates the disc or blocks that can rotate around steady pin, and manufacture porose in the middle of rotating disk (32), steady pin is through the hole in the middle of rotating disk (32); Described rotating disk (32) pushes away handle (31) and corner (33) for connecting; Described turning handle (34) creates the strip shape body be fixed on rotating disk (32), rotates for driving rotating disk (32); Described corner (33) creates the blocks be fixed on rotating disk (32), is partly or entirely arranged on and rotates in locked groove, can not rotate for lock core before locking (2) in lock core hole;

Be provided with front lock core (2) and rear lock core (13) in lock body (1), rear lock core (13) is movably arranged on the rearward end of front lock core (2), disconnects completely with front lock core (2); Manufacture in described front lock core (2) to have and draw hole (5), sliding tray (7), sliding eye (23), skewed slot (27), swivelling chute, specially bitting hole (16) and stealthy hole, connector (3) is installed in stealthy hole; Locking hole (20) and connecting hole (12) is had in described rear lock core (13), the rear end of rear lock core (13) is fixed with and connects tongue (14), be connected with link gear after connecting the via hole of tongue (14) through lock body (1) rear portion, link gear is connected with dead bolt; Have before sliding tray (7) and draw hole (5), sliding shoe (6) is installed in sliding tray (7), sliding shoe (6) there is lock groove (24), be provided with sliding bar (25) in sliding tray (7) sliding eye below (23), the front end of sliding bar (25) withstands on that sliding shoe (6) is upper, rear end withstands on fore-set (22); Described fore-set (22) and locking head (21) are arranged in locking hole (20), one end of locking head (21) withstands on fore-set (22), the other end is pressed on locking spring (10), and locking spring (10) is arranged in locking bearing bore (11); Described expansion groove (9) internal fixtion has expanding plate (8), and the expansion side pressure of expanding plate (8) and sliding shoe (6) are engaged in lock groove (24); In described skewed slot (27), oblique locking device is installed, in swivelling chute, rotary catch is installed.

8. play multi-lock according to claim 1 and antitheft mechanical interlocked nothing according to claim 7, 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 position segmentation manufacture again of sliding tray (7), or drawing the position segmentation manufacture again in hole (5), or in the position segmentation manufacture again of skewed slot (27), or in the segmentation manufacture again of the position of swivelling chute, 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), during fabrication according to technological requirement and needs, creates entirety or multistage lock body (1).