CN104563611A - Mechanical additional marble-free anti-theft lock - Google Patents

Abstract

The invention discloses a mechanical additional marble-free anti-theft lock. A rear lock core and a front lock core of the mechanical marble-free anti-theft multiple lock are completely disconnected and are hidden in a hidden hole together with a connecting body; an expanding sheet and a rotating block deadly lock the front lock core; a guide hole, a specifically made key hole and the hidden hole are formed in the front lock core; the connecting body is arranged in the hidden hole; the connecting body is disconnected from the rear lock core; a connecting hole is formed in front of the rear lock core and a through hole through which a connecting tongue penetrates is fixed behind the rear lock core; a sliding rod is arranged in front of a guide spring in the sliding hole; the sliding rod is arranged in an expanding groove and the sliding hole; the expanding end of the expanding sheet is pushed into a locking groove to deadly lock the front lock core; the rotating block deadly locks the front lock core in a slant groove and a slant locking groove. The mechanical additional marble-free anti-theft lock integrates mechanical interlocking, hiding as well as hidden connection of the front lock core and the rear lock core into a whole and thus a theft cannot open an expanding lock part and rotate the rear lock core simultaneously; even the expanding lock part and the connecting body are damaged by using a barbaric measure, only can the front lock core be rotated, the rear lock core cannot be rotated, and thus a thorough anti-theft effect is achieved.

Description

Machinery is additional without playing theftproof lock

Technical field

The one machinery that the present invention relates to theftproof lock field is additional without playing 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, machinery of the present invention adds does not have the latch system of cylinder lock without playing theftproof lock, only have outer latch system, tiltedly locking device, synchronized links system, mainly comprise: lock body, front lock core, rear lock core, connector, return spring, draw hole, sliding bar, expansion groove, lock groove, expanding plate, guide springs, sliding eye, connecting hole, connection tongue, spring bearing bore, specially bitting hole, skewed slot, tiltedly locked groove, switch block, rotational pin, top spring, specially bitting;

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, 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 guide springs is arranged on bottom sliding eye, sliding bar is had to be installed in expansion groove and sliding eye before guide springs, the fixed end of expanding plate is fixed on the sliding bar of this part in expansion groove, and the expansion end top of expanding plate is pressed on arcwall face in lock groove or inclined-plane; 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; Have lock groove and oblique locked groove in the circular hole part of lock core hole, described lock groove is deep-slotted chip breaker or the surface groove of depression on the lock core hole in lock body, corresponding with the position of the expansion groove 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.

Have special bitting hole, stealthy hole, skewed slot in described front lock core, draw hole, sliding eye and expansion groove, 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 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 eye before sliding eye; There are rank the inside of described sliding eye or do not have rank, the neutral gear place beyond the special bitting hole of the peripheral edge portion rotated close to front lock core, draw hole below with draw hole and communicate, be divided into two sections by expansion groove; The surface of described expansion groove lock core before the interlude of sliding eye is worn out, is divided into two sections, front and back sliding eye, through with two sections, front and back sliding eye, communicates with lock groove.

A locking system is outward had at least in a lock; Described inner support locking comprises sliding eye, draws hole, sliding bar, guide springs, expansion groove, expanding plate and lock groove; Described sliding eye is below divided into two sections by expansion groove what draw hole, the bottom of sliding eye is provided with guide springs, guide springs top is pressed on the sliding bar before it, sliding bar is arranged in sliding eye and expansion groove, the middle part of sliding bar in expansion groove, two ends are in sliding eye, the sliding bar of this part in expansion groove is fixed with expanding plate, the expansion end top of expanding plate is pressed on the inclined-plane in the arcwall face of the deep-slotted chip breaker in lock groove or surface groove, expanding plate in expansion groove or expanding plate simultaneously in expansion groove and lock groove; Propulsion arm do not insert draw in hole time, the fixed end of described expanding plate in expansion groove, flared end locked to front lock core and lock body in lock groove, front lock core can not rotate in lock body, realizes opening locking outward; When propulsion arm insertion is drawn in hole, the oblique compression on arcwall face in lock groove of the flared end of expanding plate or inclined-plane and under guiding, fixed end along expanding plate is drawn close to expansion groove, along with the continuation of propulsion arm promotes sliding bar, the expansion end of expanding plate slips on inwall that arcwall face in lock groove or sloped roof be pressed in the lock core hole in lock body and enters in expansion groove, the locking of lock core and lock body before removing;

The both sides end face of described expanding plate is the face of lock core and lock body before pintle hook lock, and expanding plate is arranged in the expansion groove on sliding bar, and the middle part of sliding bar is fixed with expanding plate at expansion groove place;

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 sliding bar and expanding plate;

Described sliding bar is cylinder or stairstepping cylinder.

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; The length of described pushing tow key 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 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 have 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 expansion groove and in lock groove, do not have the insertion of propulsion arm, expanding plate 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 an outer 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 bar, drive on the arcwall face of the deep-slotted chip breaker of expanding plate in lock groove or the inclined-plane of surface groove and slide, under the guiding on the arcwall face of the deep-slotted chip breaker on lock groove or the inclined-plane of surface groove and extruding, the expansion end of expanding plate is drawn close to the sliding bar in expansion groove, expanding plate leaves lock groove along with moving after sliding bar, arrives the inwall of lock core hole and enters in expansion groove, opening an outer 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; Expanding plate enters in lock groove under the promotion of guide springs and under the powered of natural resiliency, presses to the arcwall face in lock groove or inclined-plane, completes the locking to front lock core; Connector, under the promotion of return spring, exits connecting hole and enters in stealthy hole completely, front lock core is disconnected completely with rear lock core and in can not being connected, front lock core can not be connected with rear lock core.

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, locking cannot be opened opening 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 outer 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, an outer locking can not be opened, expanding plate can not be made to exit lock groove and front lock core can not be rotated, rear lock core cannot be rotated, can not theftproof lock be opened; Add the difficulty of pirate of the open lock, thus play the effect of outer 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 stealth in lock core and lock body, realize interlocking stealthy.

Promote sliding bar smoothly to enable the propulsion arm in special bitting and pushing tow key can promote connector smoothly, described sliding bar is equal with the length of sliding eye or unequal, and propulsion arm can insert to draw in hole and promote sliding bar; Described pushing tow key is longer than special bitting hole;

In order to open outer locking, the arcwall face of expanding plate when mobile in lock groove or inclined-plane oblique compression expanding plate, make expanding plate exit in lock groove and open an outer locking.

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

Lock body during fabrication, lock body manufactures and has via hole, lock core hole, lock 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 lock groove; Described lock groove creates deep-slotted chip breaker or the surface groove of depression on lock core hole, deep-slotted chip breaker creates arcwall face, and surface groove creates inclined-plane, groove that is that deep-slotted chip breaker or surface groove create annular or that be interrupted, communicate with lock core hole, corresponding with the expansion groove 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 eye, expansion groove, 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 eye and communicates with sliding eye; The inside of described sliding eye creates rank or does not have the hole on rank, the neutral gear place beyond the special bitting hole being manufactured on the peripheral edge portion rotated close to front lock core, be manufactured on draw after hole, the two ends of expansion groove, communicate with drawing hole and expand groove; The periphery of front lock core is worn out in the position that described expansion groove is manufactured on the mid portion of sliding eye, communicates with the sliding eye at expansion groove two ends, corresponding with the position of the lock groove on lock body; 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.

Described sliding bar creates cylinder or stairstepping cylinder;

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 sliding bar 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 eye, 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; Guide springs is arranged on bottom sliding eye, sliding bar is had to be installed in expansion groove and sliding eye before guide springs, the fixed end of expanding plate is fixed on the sliding bar of this part in expansion groove, and the expansion end top of expanding plate is pressed on arcwall face in lock groove or inclined-plane; 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 drawing the position segmentation manufacture again in hole, or in the position segmentation manufacture again of expansion groove, 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's machinery additional without play theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate and the locked front lock core of switch block, front lock core and rear lock core disconnect completely and are hidden in stealthy hole with connector, make robber and unblank Wang Wufa rotate rear lock core, achieve integrate asynchronous interlocking, stealth, self-locking, synchronized links and theftproof lock, safety parameters is high; Namely be also merely able to rotate front lock core after the outer locking that used barbarous means to damage 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 additional primary structure schematic diagram without playing theftproof lock of the present invention's machinery;

Fig. 2 is the structural representation in the cross section of front lock core;

Fig. 3 is the surface structure schematic diagram of the right view of Fig. 1;

Fig. 4 is the surface structure schematic diagram of the right view of rear lock core;

Fig. 5 is the surface structure schematic diagram of the left view of rear lock core;

Fig. 6 is the surface structure schematic diagram of special bitting;

Fig. 7 is the surface structure schematic diagram of the expansion groove of front lock core.

It is the pushing tow key of two-way chute and the special bitting hole of two-way chute that machinery shown in figure adds without playing theftproof lock;

Shown in figure: lock body 1, front lock core 2, connector 3, return spring 4, draw hole 5, sliding bar 6, expansion groove 7, expanding plate 8, lock groove 9, guide springs 10, sliding eye 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's machinery additional without playing that theftproof lock mainly comprises lock body 1, front lock core 2, rear lock core 13, connector 3, return spring 4, draws hole 5, sliding bar 6, expansion groove 7, lock groove 9, expanding plate 8, guide springs 10, sliding eye 11, connecting hole 12, connect tongue 14, spring bearing bore 15, specially bitting hole 16, skewed slot 21, tiltedly locked groove 20, switch block 24, rotational pin 22, top spring 23, specially bitting;

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 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; Described guide springs 10 is arranged on bottom sliding eye 11, sliding bar 6 is had to be installed in expansion groove 7 and sliding eye 11 before guide springs 10, the fixed end of expanding plate 8 is fixed on the sliding bar 6 of this part in expansion groove 7, and the expansion end top of expanding plate 8 is pressed on arcwall face in lock groove 9 or inclined-plane; 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; Have lock groove 9 and oblique locked groove 20 in the circular hole part of lock core hole, described lock groove 9 is deep-slotted chip breaker or the surface groove of depression on the lock core hole in lock body 1, corresponding with the position of the expansion groove 7 on front lock core 2, and communicates; 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, sliding eye 11 and expansion groove 7, 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 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 eye 11 before sliding eye 11; There are rank the inside of described sliding eye 11 or do not have rank, the neutral gear place beyond the special bitting hole 16 of the peripheral edge portion rotated close to front lock core 2, draw hole 5 below with draw hole 5 and communicate, be divided into two sections by expansion groove 7; The surface of described expansion groove 7 lock core 2 before the interlude of sliding eye 11 is worn out, is divided into two sections, front and back sliding eye 11, through with two sections, front and back sliding eye 11, communicates with lock groove 9.

A locking system is outward had at least in a lock, described inner support locking comprises sliding eye 11, draws hole 5, sliding bar 6, guide springs 10, expansion groove 7, expanding plate 8 and lock groove 9, described sliding eye 11 is below divided into two sections by expansion groove 7 what draw hole 5, the bottom of sliding eye 11 is provided with guide springs 10, guide springs 10 top is pressed on the sliding bar 6 before it, sliding bar 6 is arranged in sliding eye 11 and expansion groove 7, the middle part of sliding bar 6 is in expansion groove 7, two ends are in sliding eye 11, the sliding bar 6 of this part in expansion groove 7 is fixed with expanding plate 8, the expansion end top of expanding plate 8 is pressed on the inclined-plane in the arcwall face of the deep-slotted chip breaker in lock groove 9 or surface groove, expanding plate 8 in expansion groove 7 or expanding plate 8 simultaneously expanding in groove 7 and lock groove 9, propulsion arm 18 do not insert draw in hole 5 time, the fixed end of described expanding plate 8 in expansion groove 7, flared end locked with lock body 1 for front lock core 2 lock groove 9 in, front lock core 2 can not rotate in lock body 1, opens locking outside realization, when propulsion arm 18 insertion is drawn in hole 5, the oblique compression on arcwall face in lock groove 9 of the flared end of expanding plate 8 or inclined-plane and under guiding, fixed end along expanding plate 8 is drawn close to expansion groove 7, along with the continuation of propulsion arm 18 promotes sliding bar 6, the expansion end of expanding plate 8 slips on inwall that arcwall face in lock groove 9 or sloped roof be pressed in the lock core hole in lock body 1 and enters in expansion groove 7, the locking of lock core 2 and lock body 1 before removing,

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 expanding plate 8 is arranged in the expansion groove 7 on sliding bar 6, and the middle part of sliding bar 6 is fixed with expanding plate 8 at expansion groove 7 place;

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 sliding bar 6 and expanding plate 8;

Described sliding bar 6 is cylinder or stairstepping cylinder.

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; The length of described pushing tow key 17 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; 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 have 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 expansion groove 7 and in lock groove 9, do not have the insertion of propulsion arm 18, expanding plate 8 can not move, and the arcwall face in lock groove 9 or inclined-plane can not guide and oblique compression expanding plate 8, expanding plate 8 can not enter in expansion groove 7, 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 an outer 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 stealth in lock core and lock body 1, realize interlocking stealthy.

Can promote sliding bar 6 smoothly to make the propulsion arm 18 in special bitting and pushing tow key 17 can promote connector 3 smoothly, described sliding bar 6 is equal with the length of sliding eye 11 or unequal, and propulsion arm 18 can insert to draw in hole 5 and promote sliding bar 6; Described pushing tow key 17 is longer than special bitting hole 16;

In order to open outer locking, the arcwall face of expanding plate 8 when mobile in lock groove 9 or inclined-plane oblique compression expanding plate 8, make expanding plate 8 exit in lock groove 9 and open an outer 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 bar 6, drive on the arcwall face of the deep-slotted chip breaker of expanding plate 8 in lock groove 9 or the inclined-plane of surface groove and slide, under the guiding on the arcwall face of the deep-slotted chip breaker on lock groove 9 or the inclined-plane of surface groove and extruding, the expansion end of expanding plate 8 is drawn close to the sliding bar 6 in expansion groove 7, expanding plate 8 leaves lock groove 9 along with moving after sliding bar 6, arrive the inwall of lock core hole and enter in expansion groove 7, opening an outer 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; Expanding plate 8 enters in lock groove 9 under the promotion of guide springs 10 and under the powered of natural resiliency, presses to the arcwall face in lock groove 9 or inclined-plane, 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, front lock core 2 is disconnected completely with rear lock core 13 and in can not being connected, front lock core 2 can not be connected with rear lock core 13.

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, again cannot in special bitting hole 16 expanding plate 8 be pressed in expansion groove 7 open open 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 outer 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, an outer locking can not be opened, expanding plate 8 can not be made to exit lock groove 9 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 outer 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 (8)

1. a machinery is additional without playing theftproof lock, it is characterized in that: described machinery adds does not have the latch system of cylinder lock without playing theftproof lock, only has an outer 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 bar (6), expansion groove (7), lock groove (9), expanding plate (8), guide springs (10), sliding eye (11), connecting hole (12), connect tongue (14), spring bearing bore (15), special bitting hole (16), skewed slot (21), oblique locked groove (20), switch block (24), rotational pin (22), top spring (23), special bitting,

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 (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; Described guide springs (10) is arranged on sliding eye (11) bottom, sliding bar (6) is had to be installed in expansion groove (7) and sliding eye (11) before guide springs (10), the fixed end of expanding plate (8) is fixed on the sliding bar (6) of this part in expansion groove (7), and the expansion end top of expanding plate (8) is pressed on arcwall face in lock groove (9) or inclined-plane; 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); Lock groove (9) and oblique locked groove (20) is had in the circular hole part of lock core hole, described lock groove (9) is deep-slotted chip breaker or the surface groove of depression on the lock core hole in lock body (1), corresponding with the position of the expansion groove (7) 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), sliding eye (11) and expansion groove (7), 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 (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 eye (11) before sliding eye (11); There are rank the inside of described sliding eye (11) or do not have rank, the neutral gear place beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), draw hole (5) below with draw hole (5) and communicate, be divided into two sections by expansion groove (7); Described expansion groove (7) wears out the surface of front lock core (2) at the interlude of sliding eye (11), sliding eye (11) is divided into two sections, front and back, through with two sections, front and back sliding eye (11), communicates with lock groove (9);

A locking system is outward had at least in a lock, described inner support locking comprises sliding eye (11), draws hole (5), sliding bar (6), guide springs (10), expansion groove (7), expanding plate (8) and lock groove (9), described sliding eye (11) is below divided into two sections by expansion groove (7) what draw hole (5), the bottom of sliding eye (11) is provided with guide springs (10), guide springs (10) top is pressed on the sliding bar (6) before it, sliding bar (6) is arranged in sliding eye (11) and expansion groove (7), the middle part of sliding bar (6) is in expansion groove (7), two ends are in sliding eye (11), the sliding bar (6) of this part in expansion groove (7) is fixed with expanding plate (8), the expansion end top of expanding plate (8) is pressed on the inclined-plane in the arcwall face of the deep-slotted chip breaker in lock groove (9) or surface groove, expanding plate (8) in expansion groove (7) or expanding plate (8) simultaneously expanding in groove (7) and lock groove (9), propulsion arm (18) do not insert draw in hole (5) time, the fixed end of described expanding plate (8) in expansion groove (7), flared end in lock groove (9) front lock core (2) and lock body (1) locked, front lock core (2) can not rotate in lock body (1), realizes an outer locking, when propulsion arm (18) insertion is drawn in hole (5), the oblique compression on arcwall face in lock groove (9) of the flared end of expanding plate (8) or inclined-plane and under guiding, fixed end along expanding plate (8) is drawn close to expansion groove (7), along with the continuation of propulsion arm (18) promotes sliding bar (6), the expansion end of expanding plate (8) slips on inwall that arcwall face in lock groove (9) or sloped roof be pressed in the lock core hole in lock body (1) and enters in expansion groove (7), the locking of lock core (2) and lock body (1) before removing,

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 expanding plate (8) is arranged in the expansion groove (7) on sliding bar (6), and the middle part of sliding bar (6) is fixed with expanding plate (8) at expansion groove (7) place;

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 sliding bar (6) and expanding plate (8);

Described sliding bar (6) is cylinder or stairstepping cylinder;

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); The length of described pushing tow key (17) 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) 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 have 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 expansion groove (7) and in lock groove (9), there is no the insertion of propulsion arm (18), expanding plate (8) can not move, arcwall face in lock groove (9) or inclined-plane can not guide and oblique compression expanding plate (8), expanding plate (8) can not enter in expansion groove (7), 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 an outer 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 bar (6), drive on expanding plate (8) arcwall face of deep-slotted chip breaker in lock groove (9) or the inclined-plane of surface groove and slide, under the arcwall face of deep-slotted chip breaker on lock groove (9) or the guiding on the inclined-plane of surface groove and extruding, the expansion end of expanding plate (8) is drawn close to the sliding bar (6) in expansion groove (7), expanding plate (8) leaves lock groove (9) along with moving after sliding bar (6), arrive the inwall of lock core hole and enter in expansion groove (7), open an outer 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); Expanding plate (8) enters in lock groove (9) under the promotion of guide springs (10) and under the powered of natural resiliency, presses to the arcwall face in lock groove (9) or inclined-plane, 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, front lock core (2) is disconnected completely with rear lock core (13) and in can not being connected, front lock core (2) can not be connected with rear lock core (13);

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, locking cannot be opened opening in expanding plate (8) press-in expansion groove (7) 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 outer 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, an outer locking can not be opened, expanding plate (8) can not be made to exit lock groove (9) 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 outer 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. machinery according to claim 1 is additional without playing theftproof lock, it is characterized in that: in order to can be real antitheft, before adopting, lock core (2) disconnects realizing being connected stealth with rear lock core (13) completely; Adopt expanding plate (8) and switch block (24) stealth in lock core and lock body (1), realize interlocking stealthy.

3. machinery according to claim 1 is additional without playing theftproof lock, it is characterized in that: sliding bar (6) can be promoted smoothly in order to make the propulsion arm in special bitting (18) and pushing tow key (17) can promote connector (3) smoothly, described sliding bar (6) is equal or unequal with the length of sliding eye (11), and propulsion arm (18) can insert to draw in hole (5) and promote sliding bar (6); Described pushing tow key (17) is longer than special bitting hole (16).

4. machinery according to claim 1 is additional without playing theftproof lock, it is characterized in that: in order to an outer locking can be opened, the arcwall face of expanding plate (8) when mobile in lock groove (9) or inclined-plane oblique compression expanding plate (8), make expanding plate (8) exit in lock groove (9) and open an outer locking.

5. machinery according to claim 1 is additional without playing theftproof lock, it is characterized in that: in order to expand the scope of application, described machinery adds to be installed and used without playing the place that theftproof lock is applicable to the antitheft door of all kinds of needs, cabinet and so on, 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. machinery according to claim 1 is additional without playing theftproof lock, it is characterized in that: described machinery add without play theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate (8) and the locked front lock core (2) of switch block (24), 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 the outer locking that used barbarous means to damage 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. a machinery adds manufacture and the method thereof that nothing plays theftproof lock, it is characterized in that: lock body (1) during fabrication, via hole, lock core hole, lock 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 lock groove (9); Described lock groove (9) creates deep-slotted chip breaker or the surface groove of depression on lock core hole, deep-slotted chip breaker creates arcwall face, surface groove creates inclined-plane, that deep-slotted chip breaker or surface groove create annular or be interrupted groove, communicate with lock core hole, corresponding with the expansion groove (7) 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 eye (11), expansion groove (7), 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 eye (11) and communicates with sliding eye (11); The inside of described sliding eye (11) creates rank or does not have the hole 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 to draw after hole (5), the two ends of expansion groove (7), communicate with drawing hole (5) and expand groove (7); The periphery of front lock core (2) is worn out in the position that described expansion groove (7) is manufactured on the mid portion of sliding eye (11), communicates with the sliding eye (11) at expansion groove (7) two ends, corresponding with the position of the lock groove (9) on lock body (1); 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;

Described sliding bar (6) creates cylinder or stairstepping cylinder;

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 sliding bar (6) 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 eye (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; Guide springs (10) is arranged on sliding eye (11) bottom, sliding bar (6) is had to be installed in expansion groove (7) and sliding eye (11) before guide springs (10), the fixed end of expanding plate (8) is fixed on the sliding bar (6) of this part in expansion groove (7), and the expansion end top of expanding plate (8) is pressed on arcwall face in lock groove (9) or inclined-plane; In described skewed slot (21), oblique locking device is installed.

8. play theftproof lock according to claim 1 and the additional nothing of machinery 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 drawing the position segmentation manufacture again in hole (5), or in the position segmentation manufacture again of expansion groove (7), 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).