CN104405211A

CN104405211A - Additional marble-free mechanical interlocking anti-theft lock

Info

Publication number: CN104405211A
Application number: CN201410622432.6A
Authority: CN
Inventors: 徐浩钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-07
Filing date: 2014-11-07
Publication date: 2015-03-11

Abstract

The invention discloses an additional marble-free mechanical interlocking anti-theft lock. A back lock cylinder is completely disconnected from a front lock cylinder, and a connector is hidden in a hiding hole; the front lock cylinder is locked by an expansion sheet and a rotary lock; a lead hole, a special key hole and a hiding hole are formed in the front lock cylinder; the connector is arranged in the hiding hole, and is disconnected from the back lock cylinder; the front side of the back lock cylinder is provided with a connecting hole; a connecting tongue is fixed on the back side of the back lock cylinder, and passes through a through hole; a slide block and a slide-pushing spring are arranged in a sliding chute; the expansion end of the expansion sheet locks the front lock cylinder in a locking groove; the front lock cylinder is locked in an oblique groove and an oblique lock groove through the rotary block. Mechanical interlocking, hiding, and connection hiding of the front and back lock cylinders are integrated, so that a thief is prevented from opening an inner support lock and rotating the back lock cylinder simultaneously; even if the inner support lock and a connector part are damaged forcibly, only the front lock cylinder can be rotated, and the back lock cylinder cannot be rotated, so that theft prevention can be realized completely.

Description

Additional without playing mechanical interlocked theftproof lock

Technical field

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

Background technology

The theftproof lock of present use has a variety of, but is all rotate after the key adopted backs down hoodle to drive dead bolt to open theftproof lock substantially, and the theftproof lock not having interlocking and self-locking to combine, causes robber or the king that unblanks is easy to just open theftproof lock.The theftproof lock that robber and the king that unblanks do not open also there is no at present.

Summary of the invention

The object that the present invention relates to be in order to a kind of robber is provided and unblanks that king do not open the asynchronous interlocking of collection, self-locking and mechanical interlocked 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 additional latch system not having cylinder lock without the mechanical interlocked theftproof lock of bullet of the present invention, only have inner support latch system, tiltedly locking device, synchronized links system, mainly comprise: lock body, front lock core, rear lock core, connector, return spring, draw hole, sliding tray, sliding shoe, lock groove, expansion groove, expanding plate, push to slide spring, connecting hole, connection tongue, spring bearing bore, specially bitting hole, specially bitting, skewed slot, tiltedly locked groove, switch block, rotational pin, top spring;

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 tray, skewed slot, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; The rear end of described rear lock core is fixed with connection tongue, and connect tongue and be connected with link gear through after the via hole at lock body rear portion, link gear is connected with dead bolt; Described pushes to slide spring fitting bottom sliding tray, pushes to slide before spring and is provided with sliding shoe, sliding shoe has lock groove, and the fixed end of expanding plate is fixed in expansion groove, and the expansion end of expanding plate coordinates with the sliding shoe in sliding tray and is pressed in lock groove; In described skewed slot, oblique locking device 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; Expansion groove and oblique locked groove is had in the circular hole part of lock core hole, described expansion groove is the groove of the depression 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 communicate; 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.

Have special bitting hole, stealthy hole, skewed slot in described front lock core, draw hole and sliding tray, described special bitting hole and stealthy hole all the centre that front lock core rotates or close to rotate special bitting hole, centre before stealthy hole; Be provided with connector in described stealthy hole, there is 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 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 the wearing out of hole below the outer round surface of lock core, with draw hole and expand groove and communicate, push to slide spring and sliding shoe for installation and allow sliding shoe can slide anteroposterior; Described draw hole and sliding tray is connected in one.

Have at least in one in a lock and expand locking system; Described inner support locking comprises and draws hole, sliding tray, sliding shoe, lock groove, pushes to slide spring, 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 the wearing out below of hole, is provided with sliding shoe and pushes to slide spring in sliding tray, pushes to slide spring and is pressed on sliding shoe below at sliding shoe; 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 in lock groove front lock core and lock body locked, front lock core can not rotate in lock body, realizes inner support 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, and tension spring top is pressed between expansion groove and expanding plate;

The described spring that pushes to slide is stage clip.

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.

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; Described connecting hole is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Be with or without spring bearing bore in the bottom of connecting hole, when the bottom of described connecting hole does not have a spring bearing bore, spring bearing bore is located at the rearward end of connector, is provided with return spring in spring bearing bore, and one end of return spring withstands on the bottom of connecting hole; When spring bearing bore arranged at the bottom of described connecting hole, the core that spring bearing bore and connecting hole rotate at rear lock core or the part close to center of rotation, spring bearing bore is later through connecting hole above, be provided with return spring in spring bearing bore, one end of return spring withstands on the rearward end of connector.

When having spring bearing bore in described rear lock core, spring bearing bore is at the connecting hole passed back through above of the bottom of connecting hole; When not having spring bearing bore in described rear lock core, spring bearing bore is in the rearward end of connector; Described spring bearing bore also can simultaneously in the rearward end of connector and the bottom of connecting hole; Described spring bearing bore is bearing bore or blind hole, for installing return spring; Described return spring is spring;

Described connector is one section of connector, the front end of connector coordinates with the front end of pushing tow key can slide in stealthy hole He in connecting hole, when connector slides in stealthy hole, its rear end can be inserted in the connecting hole in rear lock core, for connecting front lock core and rear lock core.

Described special bitting comprises pushing tow key and 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 being provided with or not establishing and false drawing hole, be only provided with false when drawing hole on front lock core, special bitting can be provided with false propulsion arm or there 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; Expanding plate is simultaneously in lock groove and in expansion groove, do not have propulsion arm to insert interior promotion sliding shoe, 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, the locked front lock core of expanding plate is adopted to realize inner support locking; Adopt switch block front lock core and lock body locked realize rotating interlock; Before adopting, lock core and rear lock core disconnect being hidden in stealthy hole with connector completely and realize being connected stealth.

When unblanking with special bitting, 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 pushing tow key inserts special bitting hole, propulsion arm also inserts to draw in hole and moves after promotion sliding shoe, 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; Now, rotate special bitting, rear lock core rotates with front lock core and is with the tongue that is dynamically connected to rotate, and connection lingual ribbon moves link gear and opens dead bolt and unblank.

When pushing tow key exits special bitting hole, the 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; The radian face that sliding shoe moves forward and makes the expansion end leaving expanding plate leave sliding shoe under the promotion pushing to slide 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, inner support locking cannot be opened in expanding plate press-in expansion groove again in special bitting hole, can not open oblique locking device in special bitting hole, front lock core can not rotate; Even if robber or the king that unblanks open inner support locking and oblique locking device, have rotated front lock core, but can not rear lock core 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; There is no the promotion of the propulsion arm in special bitting, inner support 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, rear lock core cannot being rotated, theftproof lock can not be opened; Add the difficulty of pirate of the open lock, thus play the effect of inner support locking, self-locking, stealth, multiple locking and multiple safety.

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate and switch block, the front lock core of forced rotating, rear lock core is not connected with front lock core because of stealthy and does not rotate with front lock core, plays anti-theft function.

In order to can be real antitheft, before adopting, lock core disconnects completely with rear lock core and realizes being connected stealth; Adopt expanding plate and switch block to be hidden in lock core and lock body and realize interlocking stealth.

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 inner support 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 inner support locking.

In order to expand the scope of application, the described additional place without playing mechanical interlocked theftproof 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 additional manufacture and method thereof without playing mechanical interlocked theftproof lock, is characterized in that:

Lock body during fabrication, lock body manufactures and has via hole, lock core hole, expansion groove and oblique locked groove, the centre that lock core hole is manufactured on rear locking is used for installing lock core, have the via hole for allowing connection tongue pass in the manufacture below of lock core hole, the mid portion manufacture of the lock core hole in lock body has expansion groove; Described expansion groove creates the groove of depression on lock core hole, 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.

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, skewed slot, 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 wearing out front lock core below drawing hole, with draw hole and expand 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 draw hole and sliding tray creates 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.

Push to slide spring and create stage clip, be arranged on the bottom of sliding tray; 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.

Described expanding plate creates spring leaf or flexure strip, or creates the assembly of rigid disk and tension spring, and tension spring top is pressed between 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 creates pin or bolt, is fixed in the fixing hole in skewed slot, for fixing switch block.

Top spring creates stage clip or torsion spring.

Rear lock core during fabrication, rear lock core manufactures and has 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, can be through with the stealthy hole 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.

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, skewed slot, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; Have connecting hole in described rear lock core, the rear end of rear lock core is fixed with connection tongue, and connect tongue and be connected with link gear through after the via hole at lock body rear portion, link gear is connected with dead bolt; Push to slide spring fitting bottom sliding tray, push to slide before spring and be provided with sliding shoe, sliding shoe has lock groove, the fixed end of expanding plate is fixed in expansion groove, and the expansion end of expanding plate coordinates with the sliding shoe in sliding tray and is pressed in lock groove; In described skewed slot, oblique locking device 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, front lock core is created entirety or multistage, and 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 add without play mechanical interlocked theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate and switch block are hidden in locked front lock core in lock core and lock body, front lock core and rear lock core disconnect completely and are hidden in stealthy hole with connector, make robber and Wang Wufa rotation rear lock core of unblanking, achieve the theftproof lock integrating asynchronous interlocking, stealth, self-locking, synchronized links, safety parameters is high; Namely be also merely able to rotate front lock core after using barbarous means to damage inner support locking and connector 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 primary structure schematic diagram that the present invention adds without playing mechanical interlocked theftproof lock;

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

Fig. 3 is the surface structure schematic diagram of sliding shoe;

Fig. 4 is the surface structure schematic diagram of the sliding tray on front lock core;

Fig. 5 is the structural representation of front lock core in the cross section at sliding tray place;

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.

It is the pushing tow key of two-way chute and the special bitting hole of two-way chute that additional nothing shown in figure plays mechanical interlocked theftproof lock;

Shown in figure: lock body 1, front lock core 2, connector 3, return spring 4, draw hole 5, sliding shoe 6, push to slide spring 7, expanding plate 8, expansion groove 9, lock groove 10, sliding tray 11, connecting hole 12, rear lock core 13, connect tongue 14, spring bearing bore 15, specially bitting hole 16, pushing tow key 17, propulsion arm 18, rank push away 19, tiltedly locked groove 20, skewed slot 21, rotational pin 22, top spring 23, switch block 24.

Detailed description of the invention

The present invention additional without playing that mechanical interlocked theftproof lock mainly comprises lock body 1, front lock core 2, rear lock core 13, connector 3, return spring 4, draws hole 5, sliding tray 11, sliding shoe 6, lock groove 10, expansion groove 9, expanding plate 8, push to slide spring 7, connecting hole 12, connect tongue 14, spring bearing bore 15, specially bitting hole 16, specially bitting, skewed slot 21, tiltedly locked groove 20, switch block 24, rotational pin 22, top spring 23;

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 tray 11, skewed slot 21, specially bitting hole 16 and stealthy hole, connector 3 is installed in stealthy hole; The rear end of described 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; The described spring 7 that pushes to slide is arranged on bottom sliding tray 11, push to slide before spring 7 and sliding shoe 6 is installed, sliding shoe 6 has lock groove 10, the fixed end of expanding plate 8 is fixed in expansion groove 9, and the expansion end of expanding plate 8 coordinates with the sliding shoe 6 in sliding tray 11 and is pressed in lock groove 10; In described skewed slot 21, oblique locking device 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; Expansion groove 9 and oblique locked groove 20 is had in the circular hole part of lock core hole, described expansion groove 9 is grooves of the depression 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 11 on front lock core 2, and communicate; Described oblique locked groove 20 is depressions, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot 21 on front lock core 2 on lock core hole, for allow the locking end of switch block 24 inside before movable and locking lock core 2 rotate.

Have special bitting hole 16, stealthy hole, skewed slot 21 in described front lock core 2, draw hole 5 and sliding tray 11, described special bitting hole 16 and stealthy hole all the centre that front lock core 2 rotates or close to the special bitting hole 16, centre rotated 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 21 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 20 and special bitting hole 16, and corresponding with the oblique locked groove 20 on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device 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 11 before sliding tray 11; Described sliding tray 11 is grooves of key slot type, there are rank the inside of sliding tray 11 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 the wearing out of hole 5 below the outer round surface of lock core 2, communicate with drawing hole 5 and expand groove 9, push to slide spring 7 and sliding shoe 6 for installation and allow sliding shoe 6 can slide anteroposterior; Described hole 5 of drawing is connected in one with sliding tray 11.

Have at least in one in a lock and expand locking system; Described inner support locking comprises and draws hole 5, sliding tray 11, sliding shoe 6, lock groove 10, push to slide spring 7, expanding plate 8 and expansion groove 9; Described hole 5 of drawing communicates with sliding tray 11 before sliding tray 11, the outer round surface of described sliding tray 11 lock core 2 before drawing the wearing out below of hole 5, sliding shoe 6 be installed in sliding tray 11 and push to slide spring 7, pushing to slide spring 7 and be pressed on sliding shoe 6 after sliding shoe 6; 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 10 on sliding shoe 6 and is pressed in lock groove 10, expanding plate 8 in expansion groove 9 or expanding plate 8 simultaneously lock groove 10 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 10 front lock core 2 and lock body 1 locked, front lock core 2 can not rotate in lock body 1, realizes inner support locking; When promotion sliding shoe 6 in hole 5 is drawn in propulsion arm 18 insertion, arcwall face in lock groove 10 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 11 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 11 is longer than the length of sliding shoe 6, and sliding shoe 6 can slide anteroposterior in sliding tray 11.

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 11 has the radian face consistent with the radian of the periphery of front lock core 2, radian face has lock groove 10; Described lock groove 10 is deep-slotted chip breaker or surface groove, deep-slotted chip breaker has arcwall face, surface groove has inclined-plane; Described lock groove 10 is for holding the expansion end of expanding plate 8 and the expansion end of expanding plate 8 can be slided in lock groove 10.

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 10 on sliding shoe 6; Described expanding plate 8 is spring leaf or flexure strip, or the assembly of rigid disk and tension spring, and tension spring top is pressed between expansion groove 9 and expanding plate 8;

The described spring 7 that pushes to slide is stage clips.

An oblique locking device is had at least in a lock; Described oblique locking device comprises skewed slot 21, tiltedly locked groove 20, switch block 24, rotational pin 22, top spring 23, described switch block 24 is fixed in skewed slot 21 by rotational pin 22, the promote-side of switch block 24 is stretched in special bitting hole 16, locking end stretches in oblique locked groove 20, and the top, one end of top spring 23 is pressed on switch block 24, other end top is pressed on the wall of skewed slot 21.Rank on pushing tow key 17 push away 19 promotions when exposing the promote-side of the switch block 24 in special bitting hole 16, and the untie-sell 22 that rotates of the locking end of switch block 24 in oblique locked groove 20 rotates and shifts out in oblique locked groove 20, 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 20 of switch block 24.

Described switch block 24 is blocks of bar shaped, and there is pin-and-hole at the middle part of blocks, and rotational pin 22 is through pin-and-hole; In special bitting hole 16 the same side to key in polylith switch block 24 is installed time, expose the part switch block 24 in special bitting hole 16, one piece of ratio below one piece short before it; The untie-sell 22 that can rotate in skewed slot 21 of described switch block 24 is rotated, and can not rotate in lock core hole for lock core before locking 2;

Described rotational pin 22 is pin or bolt, is fixed in the fixing hole in skewed slot 21, for fixing switch block 24;

Described top spring 23 is stage clip or torsion spring.

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; 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.

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.

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 24; 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 being provided with or not establishing and false drawing hole 5, be only provided with false when drawing hole 5 on front lock core 2, special bitting can be provided with false propulsion arm 18 or there 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 24 of oblique locking device realizes interlocking stealth, does not have pushing tow key 17 to insert the promote-side promoting switch block 24 in special bitting hole 16 and can not open oblique locking device; Expanding plate 8 is simultaneously in lock groove 10 and in expansion groove 9, propulsion arm 18 is not had to insert interior promotion sliding shoe 6, sliding shoe 6 can not move, arcwall face in lock groove 10 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, the locked front lock core 2 of expanding plate 8 is adopted to realize inner support locking; Adopt switch block 24 front lock core 2 and lock body 1 locked realize rotating interlock; Before adopting, lock core 2 disconnects completely with rear lock core 13 and connector 3 is hidden in stealthy hole and realizes being connected stealth.

In order to can be real antitheft, adopt before lock core 2 disconnect realizing being connected stealth completely with rear lock core 13; Adopt expanding plate 8 and switch block 24 to be hidden in lock core and lock body 1 and realize interlocking stealth.

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 11, 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 inner support 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 inner support locking.

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 24 untie-sell 22 that rotates rotates and shifts out in oblique locked groove 20, 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 pushing tow key 17 inserts special bitting hole 16, propulsion arm 18 also inserts to draw in hole 5 and moves after promotion sliding shoe 6, sliding shoe 6 slides in sliding tray 11, 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 10, opens inner support locking; 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, the untie-sell 22 that rotates under the powered of top spring 23 of the locking end of switch block 24 rotates and enters locked front lock core 2 in oblique locked groove 20, completes the locking to front lock core 2; 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 pushing to slide spring 7 arrives the position of sliding tray 11, and expanding plate 8 is pressed in lock groove 10 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 24 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 inner support locking, can not open oblique locking device in special bitting hole 16, front lock core 2 can not rotate; Even if robber or the king that unblanks open inner support locking and oblique locking device, have rotated front lock core 2, 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 24 in special bitting hole 16 and can not open oblique locking device, front lock core 2 cannot be made to rotate; There is no the promotion of the propulsion arm 18 in special bitting, inner support locking can not be opened, sliding shoe 6 can not be made to move and make lock groove 10 extrude expanding plate 8 to make expanding plate 8 exit lock groove 10 and front lock core 2 can not be rotated, rear lock core 13 cannot be rotated, theftproof lock can not be opened; Add the difficulty of pirate of the open lock, thus play the effect of inner support locking, self-locking, stealth, 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 and switch block 24, the front lock core 2 of forced rotating, rear lock core 13 is not connected with front lock core 2 because of stealthy and does not rotate with front lock core 2, plays anti-theft function.

Claims

1. an additional nothing plays mechanical interlocked theftproof lock, it is characterized in that: the described additional latch system not having cylinder lock without the mechanical interlocked theftproof lock of bullet, only has inner support latch system, oblique locking device, synchronized links system, mainly comprise: lock body (1), front lock core (2), rear lock core (13), connector (3), return spring (4), draw hole (5), sliding tray (11), sliding shoe (6), lock groove (10), expansion groove (9), expanding plate (8), push to slide spring (7), connecting hole (12), connect tongue (14), spring bearing bore (15), special bitting hole (16), special bitting, skewed slot (21), oblique locked groove (20), switch block (24), rotational pin (22), top spring (23),

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 tray (11), skewed slot (21), specially bitting hole (16) and stealthy hole, connector (3) is installed in stealthy hole; The rear end of described rear lock core (13) is fixed with and connects tongue (14), and 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; The described spring (7) that pushes to slide is arranged on sliding tray (11) bottom, push to slide before spring (7) and sliding shoe (6) is installed, sliding shoe (6) there is lock groove (10), the fixed end of expanding plate (8) is fixed in expansion groove (9), and the expansion end of expanding plate (8) coordinates with the sliding shoe (6) in sliding tray (11) and is pressed in lock groove (10); In described skewed slot (21), oblique locking device 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); Expansion groove (9) and oblique locked groove (20) is had in the circular hole part of lock core hole, described expansion groove (9) is the groove of the depression 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 (11) on front lock core (2), and communicate; Described oblique locked groove (20) is depression, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot (21) 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 (24);

Have special bitting hole (16), stealthy hole, skewed slot (21) in described front lock core (2), draw hole (5) and sliding tray (11), described special bitting hole (16) and stealthy hole all the centre that front lock core (2) rotates or close to rotate special bitting hole, centre (16) 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 (21) 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 (20) and special bitting hole (16), and corresponding with the oblique locked groove (20) on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device 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 (11) before sliding tray (11); Described sliding tray (11) is the groove of key slot type, there are rank the inside of sliding tray (11) 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 the outer round surface wearing out below front lock core (2) in hole (5), communicate with drawing hole (5) and expand groove (9), push to slide spring (7) and sliding shoe (6) for installing and allow sliding shoe (6) can slide anteroposterior; Described hole (5) of drawing is connected in one with sliding tray (11);

Have at least in one in a lock and expand locking system, described inner support locking comprises and draws hole (5), sliding tray (11), sliding shoe (6), lock groove (10), push to slide spring (7), expanding plate (8) and expansion groove (9), described hole (5) of drawing communicates with sliding tray (11) before sliding tray (11), described sliding tray (11) is drawing the outer round surface wearing out front lock core (2) below in hole (5), sliding shoe (6) be installed in sliding tray (11) and push to slide spring (7), pushing to slide spring (7) and be pressed on sliding shoe (6) after sliding shoe (6), 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 (10) on sliding shoe (6) and is pressed in lock groove (10), expanding plate (8) in expansion groove (9) or expanding plate (8) simultaneously at lock groove (10) 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 (10) front lock core (2) and lock body (1) locked, front lock core (2) can not rotate in lock body (1), realizes inner support locking, when promotion sliding shoe (6) in hole (5) is drawn in propulsion arm (18) insertion, arcwall face in lock groove (10) 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 (11) 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 (11) is longer than the length of sliding shoe (6), and sliding shoe (6) can slide anteroposterior in sliding tray (11);

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 (11) has the radian face consistent with the radian of the periphery of front lock core (2), radian face has lock groove (10); Described lock groove (10) is deep-slotted chip breaker or surface groove, deep-slotted chip breaker has arcwall face, surface groove has inclined-plane; Described lock groove (10) is for holding the expansion end of expanding plate (8) and the expansion end of expanding plate (8) can be slided in lock groove (10);

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 (10) on sliding shoe (6); Described expanding plate (8) is spring leaf or flexure strip, or the assembly of rigid disk and tension spring, and tension spring top is pressed between expansion groove (9) and expanding plate (8);

It is described that to push to slide spring (7) be stage clip;

An oblique locking device is had at least in a lock; Described oblique locking device comprises skewed slot (21), tiltedly locked groove (20), switch block (24), rotational pin (22), top spring (23), described switch block (24) is fixed in skewed slot (21) by rotational pin (22), the promote-side of switch block (24) is stretched in special bitting hole (16), locking end stretches in oblique locked groove (20), and the top, one end on top spring (23) is pressed on switch block (24), other end top is pressed on the wall of skewed slot (21); Rank on pushing tow key (17) push away (19) when promoting the promote-side of exposing switch block (24) in special bitting hole (16), the untie-sell (22) that rotates of the locking end of switch block (24) in oblique locked groove (20) rotates and shifts out in oblique locked groove (20), 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 (20) of switch block (24);

Described switch block (24) is the blocks of bar shaped, and there is pin-and-hole at the middle part of blocks, and rotational pin (22) is through pin-and-hole; In special bitting hole (16) the same side to key in polylith switch block (24) are installed time, expose the part switch block (24) in special bitting hole (16), one piece of ratio below one piece short before it; Described switch block (24) can rotate in skewed slot (21) untie-sell (22) rotate, can not rotate in lock core hole for lock core before locking (2);

Described rotational pin (22) is pin or bolt, is fixed in the fixing hole in skewed slot (21), for fixing switch block (24);

Described top spring (23) is stage clip or torsion spring;

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), and there is the connecting hole (12) of depression the front end of the center of rotation of rear lock core (13); 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);

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);

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 (24); 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 and false draw hole (5), be only provided with false when drawing hole (5) on front lock core (2), special bitting can be provided with false propulsion arm (18) or there 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 (24) of oblique locking device realizes interlocking stealth, does not have pushing tow key (17) to insert the promote-side promoting switch block (24) in special bitting hole (16) and can not open oblique locking device; Expanding plate (8) is simultaneously in lock groove (10) and in expansion groove (9), propulsion arm (18) is not had to insert interior promotion sliding shoe (6), sliding shoe (6) can not move, arcwall face in lock groove (10) 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, expanding plate (8) locked front lock core (2) is adopted to realize inner support locking; Adopt switch block (24) locked to front lock core (2) and lock body (1) realize rotating interlock; Before adopting, lock core (2) disconnects completely with rear lock core (13) and connector (3) is hidden in stealthy hole and realizes 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 (24) promote-side rotate untie-sell (22) rotate and shift out in oblique locked groove (20), remove the locking to front lock core (2); Pushing tow key (17) is through after special bitting hole (16), and the front end of pushing tow key (17) is inserted in stealthy hole and promoted, in connector (3) insertion connecting hole (12), to complete the connection with front lock core (2) and rear lock core (13); While pushing tow key (17) inserts special bitting hole (16), propulsion arm (18) also inserts to draw in hole (5) and moves after promotion sliding shoe (6), sliding shoe (6) slides in sliding tray (11), 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 (10), open inner support locking; 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), the untie-sell (22) that rotates under the powered on top spring (23) of the locking end of switch block (24) rotates and enters locked front lock core (2) in oblique locked groove (20), completes the locking to front lock core (2); 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 pushing to slide spring (7) arrives the position of sliding tray (11), expanding plate (8) is pressed in lock groove (10) 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 (24) does not have elasticity and can not be compressed, inner support locking cannot be opened in expanding plate (8) press-in expansion groove (9) again in special bitting hole (16), can not open oblique locking device in special bitting hole (16), front lock core (2) can not rotate; Even if robber or the king that unblanks open inner support locking and oblique locking device, have rotated front lock core (2), 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 (24) in special bitting hole (16) and oblique locking device can not be opened, front lock core (2) cannot be made to rotate; There is no the promotion of the propulsion arm (18) in special bitting, inner support locking can not be opened, sliding shoe (6) can not be made mobile and make lock groove (10) extruding expanding plate (8) make expanding plate (8) exit lock groove (10) and front lock core (2) can not be rotated, rear lock core (13) cannot be rotated, can not theftproof lock be opened; Add the difficulty of pirate of the open lock, thus play the effect of inner support locking, self-locking, stealth, 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) and switch block (24), forced rotating front lock core (2), rear lock core (13) is not connected and does not rotate with front lock core (2) with front lock core (2) because of stealthy, plays anti-theft function.

2. according to claim 1 additional without play mechanical interlocked theftproof 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) and switch block (24) to be hidden in lock core and lock body (1) and realize interlocking stealth.

3. according to claim 1 additional without playing mechanical interlocked theftproof 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 (11), 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 additional without playing mechanical interlocked theftproof lock, it is characterized in that: in order to inner support 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 inner support locking.

5. according to claim 1 additional without playing mechanical interlocked theftproof lock, it is characterized in that: in order to expand the scope of application, the described additional place without playing mechanical interlocked theftproof 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.

6. according to claim 1 additional without playing mechanical interlocked theftproof lock, it is characterized in that: described additional without play mechanical interlocked theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate (8) and switch block (24) are hidden in locked front lock core (2) in lock core and lock body (1), front lock core (2) and rear lock core (13) disconnect completely and connector (3) is hidden in stealthy hole, 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; Namely be also merely able to rotate front lock core (2) after using barbarous means to damage inner support locking and connector (3) 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 additional manufacture method without playing mechanical interlocked theftproof lock, it is characterized in that: lock body (1) during fabrication, via hole, lock core hole, expansion groove (9) and oblique locked groove (20) is had in the upper manufacture of lock body (1), the centre that lock core hole is manufactured on rear locking (1) is used for installing lock core, have the via hole for allowing connection tongue (14) pass in the manufacture below of lock core hole, the mid portion manufacture of the lock core hole in lock body (1) has expansion groove (9); Described expansion groove (9) creates the groove of depression on lock core hole, communicates with lock core hole, corresponding with the sliding tray (11) on front lock core (2); Described oblique locked groove (20) is manufactured on lock core hole, cause depression, along the cannelure on lock core hole direction, corresponding with the position of the skewed slot (21) on front lock core (2), for allowing lock core (2) rotation before movable and locking inside of the locking end of switch block (24);

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 (11), skewed slot (21), 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, and the 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 (11) and communicates with sliding tray (11); The inside of described sliding tray (11) 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 the periphery wearing out front lock core (2) below drawing hole (5), communicate with drawing hole (5) and expand groove (9), corresponding with the position of the expansion groove (9) on lock body (1), the length that sliding tray (11) manufactures is longer than the length of sliding shoe (6); Described hole (5) of drawing creates one with sliding tray (11); The lock core that described skewed slot (21) 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 (20) and special bitting hole (16), and corresponding with the oblique locked groove (20) on lock core hole, for installing oblique locking device and allowing the parts of oblique locking device operate;

Push to slide spring (7) and create stage clip, be arranged on the bottom of sliding tray (11); Sliding shoe (6) creates the slide block of keyed, be arranged on the previous section of sliding tray (11), can slide anteroposterior in sliding tray (11), being arranged on the one side concordant with the periphery of front lock core (2) in sliding tray (11) 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 (10), and the radian face of lock groove (10) 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 (11); Described lock groove (10) creates deep-slotted chip breaker or surface groove, and deep-slotted chip breaker manufactures arcwall face, and surface groove manufactures inclined-plane;

Described expanding plate (8) creates spring leaf or flexure strip, or creates the assembly of rigid disk and tension spring, and tension spring top is pressed between 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 (24) creates the blocks of bar shaped, and the middle part of blocks manufactures pin-and-hole, and rotational pin (22) is through pin-and-hole; In special bitting hole (16) the same side to key in polylith switch block (24) are installed time, expose the part switch block (24) in special bitting hole (16), one piece of ratio below one piece short before it; Described switch block (24) is arranged in skewed slot (21) untie-sell (22) that can rotate and rotates, and can not rotate in lock core hole for lock core before locking (2);

Rotational pin (22) creates pin or bolt, is fixed in the fixing hole in skewed slot (21), for fixing switch block (24);

Top spring (23) creates stage clip or torsion spring;

During fabrication, the upper manufacture of rear lock core (13) has 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, can be through with the stealthy hole 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 (24); 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 the cylinder that the shape of anterior, rear portion consistent with the shape in stealthy hole and connecting hole (12) is consistent, 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;

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 (11), skewed slot (21), specially bitting hole (16) and stealthy hole, connector (3) is installed in stealthy hole; Have connecting hole (12) in described rear lock core (13), the rear end of rear lock core (13) is fixed with and connects tongue (14), and 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; Push to slide spring (7) and be arranged on sliding tray (11) bottom, push to slide before spring (7) and sliding shoe (6) is installed, sliding shoe (6) there is lock groove (10), the fixed end of expanding plate (8) is fixed in expansion groove (9), and the expansion end of expanding plate (8) coordinates with the sliding shoe (6) in sliding tray (11) and is pressed in lock groove (10); In described skewed slot (21), oblique locking device is installed.

8. play mechanical interlocked theftproof lock according to claim 1 and additional 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 (11), or drawing the position segmentation manufacture again in hole (5), or in the position segmentation manufacture again of skewed slot (21), 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).