CN104405190A - Mechanical interlocking shell-free antitheft lock - Google Patents

Abstract

The invention discloses a mechanical interlocking shell-free antitheft lock. A rear lock core is completely separated from a connecting body and a front lock core, and the front lock core is locked by an expansion sheet; a slide rod is arranged in a slide hole in the front lock core, the connecting body is installed in a stealth hole, and an extrusion block is fixed on the slide rod; a connecting hole is formed on the front surface of the rear lock core, and a connecting tongue through hole is formed on the rear surface of the rear lock core; the slide rod which is arranged in front of a guide spring in the slide hole is installed in the slide hole, the slide rod is installed in an extrusion groove and the slide hole, the extrusion block is embedded on the slide rod in the extrusion groove, a fixed end of the expansion sheet is fixed in an expansion groove, and an expansion end of the expansion sheet locks the front lock core in the extrusion groove. The mechanical interlocking, the stealth and the connection stealth of front and rear lock cores are integrated into a whole, so that a thief cannot open an inner supporting lock and rotate the rear lock core simultaneously; even when the inner supporting lock and a connecting body part are damaged by utilizing a brutal means, only the front lock core can be rotated, and the rear lock core cannot be rotated, so that an antitheft effect can be completely and thoroughly realized.

Description

Mechanical interlocked without playing theftproof lock

Technical field

The one that the present invention relates to theftproof lock field is mechanical interlocked 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, the mechanical interlocked latch system not having cylinder lock without bullet theftproof lock of the present invention, only have inner support latch system, synchronized links system, mainly comprise: lock body, front lock core, rear lock core, connector, return spring, draw hole, sliding bar, patchhole, sliding tray, squeezing groove, crushing block, expansion groove, expanding plate, guide springs, sliding eye, connecting hole, connection tongue, spring bearing bore, specially bitting hole, 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; There are sliding eye, sliding tray, squeezing groove, specially bitting hole and stealthy hole in described front lock core, in stealthy hole, connector are 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 on squeezing groove and to draw in hole before guide springs, sliding bar in squeezing groove is embedded with crushing block, the shank of crushing block stretches in special bitting hole through after sliding tray, the bottom of crushing block is in squeezing groove, the extruding inclined-plane of crushing block is pressed on the expansion end of expanding plate, and the fixed end of expanding plate is fixed in expansion groove, and the expansion end of expanding plate stretches in squeezing groove and coordinates with crushing block.

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 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 squeezing groove on front lock core, and communicate.

Have special bitting hole, stealthy hole, sliding eye, sliding tray and squeezing groove in described front lock core, 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; Sliding eye and sliding tray and squeezing groove are connected in one, in the lock core body of front lock core; Described sliding eye is that inside has rank or do not have the elongated hole on rank, and two ends are all the end faces that blind hole or two ends wear out that front lock core is worn out in the end face of front lock core or one end; When described sliding eye wears out end face, the sliding bar blocking with screw or block with plug or limit with jump ring or limit in sliding eye or the position of guide springs; The neutral gear place of described sliding eye beyond the special bitting hole of the peripheral edge portion rotated close to front lock core, squeezed indent are divided into two sections, and in the rear and front end of front lock core, sliding eye is for installing sliding bar and allowing sliding bar slide anteroposterior; The surface of described squeezing groove lock core before the interlude of sliding eye is worn out, sliding eye is divided into two sections, front and back, through with two sections, front and back sliding eye, communicate with sliding tray and lock groove, can slide anteroposterior for holding the expansion end of expanding plate and crushing block and allowing crushing block squeeze when pressing the expansion end of expanding plate; Described sliding tray wears out special bitting hole key in the inside of squeezing groove communicates with squeezing groove, sliding eye and special bitting hole, slides in sliding tray for allowing the shank of crushing block.

Have at least in one in a lock and expand locking system; Described inner support locking comprises sliding eye, sliding bar, patchhole, crushing block, guide springs, squeezing groove, sliding tray, expanding plate and expansion groove; The bottom of described 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 squeezing groove, the middle part of sliding bar in squeezing groove, two ends are in sliding eye, the sliding bar of the part in squeezing groove there is patchhole, the shank of crushing block is inlaid into after in patchhole and extend in special bitting hole through after sliding tray, and the briquetting portion of crushing block is in squeezing groove; The fixed end of described expanding plate is fixed in expansion groove, and the expansion end of expanding plate coordinates with crushing block in squeezing groove; Described crushing block is when extruding expanding plate, and the expansion end of expanding plate withstands on crushing block; Described expanding plate can in expansion groove or expanding plate can simultaneously in squeezing groove and expansion groove; When pushing tow key does not insert in special bitting hole, the fixed end of described expanding plate in expansion groove, flared end in squeezing groove front lock core and lock body locked, front lock core can not rotate in lock body, realizes inner support locking; Pushing tow key insert promote the shank of crushing block in special bitting hole time, the oblique compression on the extruding inclined-plane of the crushing block of flared end in squeezing groove of expanding plate is with 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 the expanding plate sloped roof slipped on the crushing block in squeezing groove is pressed in the bottom of crushing block, now the expansion end of expanding plate enters in expansion groove, the locking of lock core and lock body before removing;

Described sliding bar is cylinder or stairstepping cylinder, and cylinder has patchhole, and patchhole inserts and fixed press block for allowing the shank of crushing block;

Described crushing block pelmatozoa and briquetting portion, described shank is inlaid into after in the patchhole on sliding bar and stretches in sliding tray, and passes sliding tray and stretch in special bitting hole, can move forward and backward in sliding tray; The bottom in described briquetting portion is consistent with the radian of the periphery of front lock core, have the extruding inclined-plane be connected with bottom above; Described briquetting portion can slide anteroposterior in squeezing groove, and when crushing block extruding expanding plate, on the expansion end that extruding inclined-plane is pressed in expanding plate or the bottom in briquetting portion is pressed on the expansion end of expanding plate;

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; 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;

Described guiding spring is stage clip.

The center of the rear end of described rear lock core is fixed with and connects tongue through lock body via hole below, and there is the connecting hole of depression the front end of the center of rotation of rear lock core, has asynchronous lockhole in the outside of connecting hole; Described connecting hole is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Be with or without spring bearing bore in the bottom of connecting hole, when the bottom of described connecting hole does not have a spring bearing bore, spring bearing bore is located at the rearward end of connector, is provided with return spring in spring bearing bore, and one end of return spring withstands on the bottom of connecting hole; When spring bearing bore arranged at the bottom of described connecting hole, the core that spring bearing bore and connecting hole rotate at rear lock core or the part close to center of rotation, spring bearing bore is later through connecting hole above, be provided with return spring in spring bearing bore, one end of return spring withstands on the rearward end of connector; Described asynchronous lockhole runs through the front/rear end of rear lock core at the peripheral edge portion rotated close to rear lock core.

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

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

Described special bitting comprises pushing tow key and the shank of the key, and pushing tow key is fixed on the shank of the key; Insert the middle part of the side direction of the key in special bitting hole or rear portion pushes away terrace at pushing tow key, pushing away terrace for promoting the shank of crushing block, having at least on the key on a direction at one and pushing away terrace; The described terrace that pushes away is the class face crossing with the longitudinal direction of the main body of pushing tow key that wide part below that pushing tow key inserts the part of the key in special bitting hole is formed with part narrow above, or pushing tow key inserts the class face crossing with the longitudinal direction of the main body of pushing tow key that there are protrusion and formation in the middle part of the side direction of the key in special bitting hole or rear portion; Described pushing tow key length is longer than the length in special bitting hole, and the part that the length of pushing tow key is longer than special bitting hole is used for promoting connector insertion connecting hole.

In order to increase safety and the disguise of theftproof lock, rear lock core is movably arranged on the rearward end of front lock core, disconnects completely and hiddenly realizes being connected stealth, do not have the insertion of pushing tow key can not connect and transmit power to rear lock core with front lock core; Expanding plate simultaneously, in squeezing groove and in expansion groove, does not have the insertion of pushing tow key, and the crushing block in expansion groove can not move, and crushing block can not oblique compression expanding plate, and 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; 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, pushing tow key is dynamically connected in body insertion connecting hole through special bitting hole pusher, completes the connection with front lock core and rear lock core; While pushing tow key inserts special bitting hole, pushing tow pushing away after terrace promotes the shank of crushing block in special bitting hole is on the key moved, move after driving the briquetting portion of sliding bar and crushing block, slide in the briquetting portion of crushing block in squeezing groove, under the guiding on the inclined-plane on the extruding inclined-plane on crushing block and extruding, the expansion end of expanding plate is drawn close in expansion groove, and expanding plate is along with moving after crushing block in the bottom of squeezed briquetting press-in expansion groove, leave squeezing groove, open 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, sliding bar promotes crushing block reach and leaves the expansion end of expanding plate under the promotion of guide springs, and expanding plate enters in squeezing groove under the promotion of natural resiliency power, 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, the shank of the crushing block exposing sliding tray think by mistake be cylinder lock pushing tow pellet and attempt the shank of the crushing block exposing sliding tray press-in sliding tray in open theftproof lock, but because the shank of crushing block cannot be pressed in sliding tray, make robber or unblank Wang Wufa expanding plate press-in expansion groove in open inner support locking; Even if robber or the king that unblanks open inner support locking, 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; There is no the promotion of the pushing tow key in special bitting, inner support locking can not be opened, crushing block can not be made to extrude expanding plate and make expanding plate exit squeezing groove and front lock core can not be rotated, rear lock core also 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 and multiple safety.

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate, 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 and play 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 to be hidden in lock core and lock body and realize interlocking stealth.

In order to enable pushing tow key promote sliding bar and connector smoothly, the length of described sliding bar is shorter than the length of sliding eye; Described pushing tow key is longer than special bitting hole.

In order to open inner support locking, after the extruding inclined-plane oblique compression expanding plate when crushing block moves before crushing block, extruding expanding plate is continued in the bottom of crushing block, makes expanding plate exit in expansion groove and open inner support locking.

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

Lock body during fabrication, lock body manufactures and has via hole, lock core hole, expansion groove, the centre that lock core hole is manufactured on rear locking is used for installing lock core, and 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 squeezing groove on front lock core.

Lock core during fabrication, carries out division system lock core and causes front lock core and rear lock core; Described front lock core during fabrication, front lock core manufactures and has sliding tray, sliding eye, squeezing groove, 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 sliding eye and sliding tray and squeezing groove create one, are manufactured in the lock core body of front lock core; The inside of described sliding eye creates rank or does not have the elongated hole on rank, it is all that blind hole or two ends create the end face of wearing out front lock core or one end creates the end face wearing out front lock core that two ends create, when sliding eye creates the end face wearing out front lock core, the sliding bar blocking with screw or block with plug or limit with jump ring or limit in sliding eye or the position of guide springs, sliding eye is manufactured on neutral gear place beyond the special bitting hole of the peripheral edge portion rotated close to front lock core, is manufactured on the two ends of squeezing groove, communicates with sliding tray and squeezing groove; The periphery of front lock core is worn out in the position that described squeezing groove is manufactured on the mid portion of sliding eye, communicates with the sliding eye at the sliding tray inside squeezing groove and two ends, corresponding with the position of the lock groove on lock body; The key in special bitting hole is worn out in the inside that described sliding tray is manufactured on squeezing groove, with squeezing groove, sliding eye and specially bitting hole communicate.

Sliding bar creates cylinder or stairstepping cylinder, and cylinder manufactures patchhole;

Guide springs creates stage clip;

Crushing block creates pelmatozoa and briquetting portion, and described shank is inlaid into the patchhole on sliding bar, interior and exceed patchhole, and overage extend in special bitting hole through after sliding tray; The bottom in described briquetting portion manufactures the radian consistent with the radian of the periphery of front lock core, and manufacturing before briquetting portion has the extruding inclined-plane be connected with bottom, and the extruding inclined-plane of crushing block is installed near the expansion end of expanding plate or is pressed on the expansion end of expanding plate;

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

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, special bitting creates pushing tow key and the shank of the key two parts, pushing tow key is manufactured on the shank of the key, it is wide that the part of the key inserted in special bitting hole by pushing tow key creates aft section, previous section is narrow and the class face crossing with the longitudinal direction of the main body of pushing tow key that wide part below that is that make pushing tow key insert the part of the key in special bitting hole is formed with part narrow above, or insert the middle part of the part of the key in special bitting hole or rear portion at pushing tow key to manufacture to have and protrude and the class face crossing with the longitudinal direction of the main body of pushing tow key that formed, this class face crossing with the longitudinal direction of the main body of pushing tow key pushes away terrace exactly, the shape in special bitting hole creates with the shape of pushing tow key same or similar, and described 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 and have sliding eye, sliding tray, squeezing groove, specially bitting hole and stealthy hole, in stealthy hole, connector is installed; Have asynchronous lockhole and connecting hole in described rear lock core, the rear end of rear lock core is fixed with connection tongue, and connect tongue and be connected with link gear through after the via hole at lock body rear portion, link gear is connected with dead bolt; Guide springs is arranged on bottom sliding eye, sliding bar is had to be installed on squeezing groove and to draw in hole before guide springs, the middle part of sliding bar is arranged in squeezing groove, two ends are arranged in sliding eye, crushing block is embedded in the patchhole on the sliding bar of the part in squeezing groove, the shank of crushing block stretches in special bitting hole through after sliding tray, the bottom of crushing block is in squeezing groove, and the fixed end of expanding plate is fixed in expansion groove, and the expansion end of expanding plate stretches in squeezing groove and coordinates with crushing block.

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 squeezing groove, or in the segmentation manufacture again of the position of sliding tray, front lock core is created entirety or multistage, each section of lock core that segmentation manufactures can synchronous rotary or can separately asynchronous rotation;

In order to manufacture the needs with assembly technology, lock body, during fabrication according to technological requirement and needs, creates entirety or multistage lock body.

The present invention mechanical interlocked without play theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate is 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 integrate asynchronous, stealthy, self-locking, synchronized links and asynchronous warning function theftproof lock, safety parameters is high; Namely be also merely able to rotate front lock core after using barbarous means to damage inner support locking and coupling part, can not rotate be hidden in front lock core below rear lock core, serve real anti-theft function.

Accompanying drawing explanation

Fig. 1 is the mechanical interlocked primary structure schematic diagram without playing theftproof lock of the present invention;

Fig. 2 is the structural representation of Fig. 1 in the cross section at expanding plate place;

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 left view of Fig. 6;

Fig. 8 is the surface structure schematic diagram of the patchhole on sliding bar;

Fig. 9 is the surface structure schematic diagram of the squeezing groove on front lock core;

Figure 10 is the structural representation of front lock core in the cross section at sliding tray place.

It is the pushing tow key of three-dimensional groove and the special bitting hole of three-dimensional groove that mechanical interlocked nothing shown in figure plays theftproof lock;

Shown in figure: lock body 1, front lock core 2, connector 3, return spring 4, crushing block 5, sliding bar 6, squeezing groove 7, expanding plate 8, expansion 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, push away terrace 18, the shank of the key 19, sliding tray 20, patchhole 21.

Detailed description of the invention

The present invention is mechanical interlocked mainly to be comprised only have inner support latch system, synchronized links system without playing theftproof lock, mainly comprises: lock body 1, front lock core 2, rear lock core 13, connector 3, return spring 4, draw hole, sliding bar 6, patchhole 21, sliding tray 20, squeezing groove 7, crushing block 5, expansion 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, 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; There are sliding eye 11, sliding tray 20, squeezing groove 7, specially bitting hole 16 and stealthy hole in described front lock core 2, 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 on squeezing groove 7 and to draw in hole before guide springs 10, sliding bar 6 in squeezing groove 7 is embedded with crushing block 5, the shank of crushing block 5 stretches in special bitting hole 16 through after sliding tray 20, the bottom of crushing block 5 is in squeezing groove 7, the extruding inclined-plane of crushing block 5 is pressed on the expansion end of expanding plate 8, and the fixed end of expanding plate 8 is fixed in expansion groove 9, and the expansion end of expanding plate 8 stretches in squeezing groove 7 and coordinates with crushing block 5.

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 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 squeezing groove 7 on front lock core 2, and communicate.

Have special bitting hole 16, stealthy hole, sliding eye 11, sliding tray 20 and squeezing groove 7 in described front lock core 2, 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; Sliding eye 11 is connected in one, in the lock core body of front lock core 2 with sliding tray 20 and squeezing groove 7; Described sliding eye 11 is that inside has rank or do not have the elongated hole on rank, and two ends are all the end faces that blind hole or two ends wear out that front lock core 2 is worn out in the end face of front lock core 2 or one end; When described sliding eye 11 wears out end face, the sliding bar 6 blocking with screw or block with plug or limit with jump ring or limit in sliding eye 11 or the position of guide springs 10; The neutral gear place of described sliding eye 11 beyond the special bitting hole 16 of the peripheral edge portion rotated close to front lock core 2, squeezed indent 7 are divided into two sections, and in the rear and front end of front lock core 2, sliding eye 11 is for installing sliding bar 6 and allowing sliding bar 6 slide anteroposterior; The surface of described squeezing groove 7 lock core 2 before the interlude of sliding eye 11 is worn out, sliding eye 11 is divided into two sections, front and back, through with two sections, front and back sliding eye 11, communicate with sliding tray 20 and lock groove, can slide anteroposterior for holding the expansion end of expanding plate 8 and crushing block 5 and allowing crushing block 5 squeeze when pressing the expansion end of expanding plate 8; Described sliding tray 20 wears out special bitting hole 16 key in the inside of squeezing groove 7 communicates with squeezing groove 7, sliding eye 11 and special bitting hole 16, slides in sliding tray 20 for allowing the shank of crushing block 5.

Have at least in one in a lock and expand locking system; Described inner support locking comprises sliding eye 11, sliding bar 6, patchhole 21, crushing block 5, guide springs 10, squeezing groove 7, sliding tray 20, expanding plate 8 and expansion groove 9; The bottom of described 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 squeezing groove 7, the middle part of sliding bar 6 in squeezing groove 7, two ends are in sliding eye 11, the sliding bar 6 of the part in squeezing groove 7 there is patchhole 21, the shank of crushing block 5 is inlaid into after in patchhole 21 and extend in special bitting hole 16 through after sliding tray 20, and the briquetting portion of crushing block 5 is in squeezing groove 7; The fixed end of described expanding plate 8 is fixed in expansion groove 9, and the expansion end of expanding plate 8 coordinates with crushing block 5 in squeezing groove 7; Described crushing block 5 is when extruding expanding plate 8, and the expansion end of expanding plate 8 withstands on crushing block 5; Described expanding plate 8 can in expansion groove 9 or expanding plate 8 can simultaneously at squeezing groove 7 with expand in groove 9; When pushing tow key 17 does not insert in special bitting hole 16, the fixed end of described expanding plate 8 in expansion groove 9, flared end in squeezing groove 7 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 pushing tow key 17 inserts the shank promoting crushing block 5 in special bitting hole 16, the oblique compression on the extruding inclined-plane of the crushing block 5 of flared end in squeezing groove 7 of expanding plate 8 is with under guiding, fixed end along expanding plate 8 is drawn close to expansion groove 9, along with the continuation of propulsion arm promotes sliding bar 6, the expansion end of expanding plate 8 sloped roof slipped on the crushing block 5 in squeezing groove 7 is pressed in the bottom of crushing block 5, 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.

Described sliding bar 6 is cylinder or stairstepping cylinder, cylinder has patchhole 21, and patchhole 21 inserts and fixed press block 5 for allowing the shank of crushing block 5.

Described crushing block 5 pelmatozoa and briquetting portion, described shank is inlaid into after in the patchhole 21 on sliding bar 6 and stretches in sliding tray 20, and stretches in special bitting hole 16 through sliding tray 20, can move forward and backward in sliding tray 20; The bottom in described briquetting portion is consistent with the radian of the periphery of front lock core 2, have the extruding inclined-plane be connected with bottom above; Described briquetting portion can slide anteroposterior in squeezing groove 7, and when crushing block 5 extrudes expanding plate 8, on the expansion end that extruding inclined-plane is pressed in the expanding plate 8 or bottom in briquetting portion is pressed on the expansion end of expanding plate 8.

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; 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;

Described guiding spring is stage clip.

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

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

Described connector 3 is one section of connector 3, the front end of connector 3 coordinates with the front end of pushing tow key 17 can slide in stealthy hole He in connecting hole 12, when connector 3 slides in stealthy hole, its rear end can be inserted in the connecting hole 12 in rear lock core 13, for connecting front lock core 2 and rear lock core 13.

Described special bitting comprises pushing tow key 17 and the shank of the key 19, and pushing tow key 17 is fixed on the shank of the key 19; Insert the middle part of the side direction of the key in special bitting hole 16 or rear portion pushes away terrace 18 at pushing tow key 17, pushing away terrace 18 for promoting the shank of crushing block 5, having at least on the key on a direction at one and pushing away terrace 18; The described terrace 18 that pushes away is class faces crossing with the longitudinal direction of the main body of pushing tow key 17 that wide part below that pushing tow key 17 inserts the part of the key in special bitting hole 16 is formed with part narrow above, or pushing tow key 17 inserts the class face crossing with the longitudinal direction of the main body of pushing tow key 17 that there are protrusion and formation in the middle part of the side direction of the key in special bitting hole 16 or rear portion; 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 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; Expanding plate 8 is simultaneously in squeezing groove 7 and in expansion groove 9, do not have the insertion of pushing tow key 17, the crushing block 5 in expansion groove 9 can not move, and crushing block 5 can not 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; 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 to be hidden in lock core and lock body 1 and realize interlocking stealth.

In order to make pushing tow key 17 can promote sliding bar 6 and connector 3 smoothly, the length of described sliding bar 6 is shorter than the length of sliding eye 11; Described pushing tow key 17 is longer than special bitting hole 16.

In order to open inner support locking, after the extruding inclined-plane oblique compression expanding plate 8 when crushing block 5 moves before crushing block 5, extruding expanding plate 8 is continued in the bottom of crushing block 5, makes expanding plate 8 exit in expansion groove 9 and open inner support locking.

When unblanking with special bitting, insert special bitting hole 16 with the pushing tow key 17 of special bitting, pushing tow key 17 is inserted in connecting hole 12 through the special bitting hole 16 pusher body 3 that is dynamically connected, complete and the connection of front lock core 2 and rear lock core 13; While pushing tow key 17 inserts special bitting hole 16, pushing away after terrace 18 promotes the shank of crushing block 5 in special bitting hole 16 on pushing tow key 17 is moved, move after driving the briquetting portion of sliding bar 6 and crushing block 5, slide in the briquetting portion of crushing block 5 in squeezing groove 7, under the guiding on the inclined-plane on the extruding inclined-plane on crushing block 5 and extruding, the expansion end of expanding plate 8 is drawn close in expansion groove 9, along with moving after crushing block 5, the bottom of squeezed briquetting 5 is pressed in expansion groove 9 expanding plate 8, leave squeezing groove 7, 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, sliding bar 6 promotes crushing block 5 and moves forward and leave the expansion end of expanding plate 8 under the promotion of guide springs 10, and expanding plate 8 enters in squeezing groove 7 under the promotion of natural resiliency power, 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, the shank of the crushing block 5 exposing sliding tray 20 think by mistake be cylinder lock pushing tow pellet and attempt the shank of the crushing block 5 exposing sliding tray 20 press-in sliding tray 20 in open theftproof lock, but because the shank of crushing block 5 cannot be pressed in sliding tray 20, make robber or unblank Wang Wufa expanding plate 8 be pressed into expansion groove 9 in open inner support locking; Even if robber or the king that unblanks open inner support locking, 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; There is no the promotion of the pushing tow key 17 in special bitting, inner support locking can not be opened, crushing block 5 can not be made to extrude expanding plate 8 and make expanding plate 8 exit squeezing groove 7 and front lock core 2 can not be rotated, rear lock core 13 also 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 and multiple safety.

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate 8, 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 mechanical interlocked nothing plays theftproof lock, it is characterized in that: the described mechanical interlocked latch system not having cylinder lock without bullet theftproof lock, only has inner support latch system, synchronized links system, mainly comprise: lock body (1), front lock core (2), rear lock core (13), connector (3), return spring (4), draw hole, sliding bar (6), patchhole (21), sliding tray (20), squeezing groove (7), crushing block (5), expansion 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), 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), there are sliding eye (11), sliding tray (20), squeezing groove (7), specially bitting hole (16) and stealthy hole in described front lock core (2), 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 on squeezing groove (7) and to draw in hole before guide springs (10), sliding bar (6) in squeezing groove (7) is embedded with crushing block (5), the shank of crushing block (5) stretches in special bitting hole (16) through after sliding tray (20), the bottom of crushing block (5) is in squeezing groove (7), the extruding inclined-plane of crushing block (5) is pressed on the expansion end of expanding plate (8), the fixed end of expanding plate (8) is fixed in expansion groove (9), the expansion end of expanding plate (8) stretches in squeezing groove (7) and coordinates with crushing block (5),

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) 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 squeezing groove (7) on front lock core (2), and communicate;

Have special bitting hole (16), stealthy hole, sliding eye (11), sliding tray (20) and squeezing groove (7) in described front lock core (2), 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; Sliding eye (11) is connected in one, in the lock core body of front lock core (2) with sliding tray (20) and squeezing groove (7); Described sliding eye (11) is that inside has rank or do not have the elongated hole on rank, and two ends are all the end faces that blind hole or two ends wear out that front lock core (2) are worn out in the end face of front lock core (2) or one end; When described sliding eye (11) wears out end face, the sliding bar (6) blocking with screw or block with plug or limit with jump ring or limit in sliding eye (11) or the position of guide springs (10); The neutral gear place of described sliding eye (11) beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), squeezed indent (7) are divided into two sections, in the rear and front end of front lock core (2), sliding eye (11) is for installing sliding bar (6) and allowing sliding bar (6) slide anteroposterior; Described squeezing 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), communicate with sliding tray (20) and lock groove, can slide anteroposterior for holding the expansion end of expanding plate (8) and crushing block (5) and allowing crushing block (5) squeeze when pressing the expansion end of expanding plate (8); Described sliding tray (20) wears out special bitting hole (16) key in the inside of squeezing groove (7) communicates with squeezing groove (7), sliding eye (11) and special bitting hole (16), slides in sliding tray (20) for allowing the shank of crushing block (5);

Have at least in one in a lock and expand locking system, described inner support locking comprises sliding eye (11), sliding bar (6), patchhole (21), crushing block (5), guide springs (10), squeezing groove (7), sliding tray (20), expanding plate (8) and expansion groove (9), the bottom of described 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 squeezing groove (7), the middle part of sliding bar (6) is in squeezing groove (7), two ends are in sliding eye (11), the sliding bar (6) of the part in squeezing groove (7) there is patchhole (21), the shank of crushing block (5) is inlaid into after in patchhole (21) and extend in special bitting hole (16) through after sliding tray (20), the briquetting portion of crushing block (5) is in squeezing groove (7), the fixed end of described expanding plate (8) is fixed in expansion groove (9), and the expansion end of expanding plate (8) coordinates with crushing block (5) in squeezing groove (7), described crushing block (5) is when extruding expanding plate (8), and the expansion end of expanding plate (8) withstands on crushing block (5), described expanding plate (8) can in expansion groove (9) or expanding plate (8) can simultaneously at squeezing groove (7) with expand in groove (9), when pushing tow key (17) does not insert in special bitting hole (16), the fixed end of described expanding plate (8) in expansion groove (9), flared end in squeezing groove (7) 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 pushing tow key (17) inserts the shank promoting crushing block (5) in special bitting hole (16), the oblique compression on the extruding inclined-plane of the crushing block (5) of flared end in squeezing groove (7) of expanding plate (8) is with under guiding, fixed end along expanding plate (8) is drawn close to expansion groove (9), along with the continuation of propulsion arm promotes sliding bar (6), the expansion end of expanding plate (8) sloped roof slipped on the crushing block (5) in squeezing groove (7) is pressed in the bottom of crushing block (5), 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,

Described sliding bar (6) is cylinder or stairstepping cylinder, cylinder has patchhole (21), and patchhole (21) inserts and fixed press block (5) for allowing the shank of crushing block (5);

Described crushing block (5) pelmatozoa and briquetting portion, described shank is inlaid into after in the patchhole (21) on sliding bar (6) and stretches in sliding tray (20), and stretch in special bitting hole (16) through sliding tray (20), can move forward and backward in sliding tray (20); The bottom in described briquetting portion is consistent with the radian of the periphery of front lock core (2), have the extruding inclined-plane be connected with bottom above; Described briquetting portion can slide anteroposterior in squeezing groove (7), and when crushing block (5) extruding expanding plate (8), on the expansion end that extruding inclined-plane is pressed in expanding plate (8) or the bottom in briquetting portion is pressed on the expansion end of expanding plate (8);

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); 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);

Described guiding spring is stage clip;

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), has asynchronous lockhole in the outside of connecting hole (12); Described connecting hole (12) is polygon bearing bore or the groove of depression, or the bearing bore of shape of circular arc and line segment composition or groove; Spring bearing bore (15) is with or without in the bottom of connecting hole (12), when the bottom of described connecting hole (12) does not have spring bearing bore (15), spring bearing bore (15) is located at the rearward end of connector (3), be provided with return spring (4) in spring bearing bore (15), one end of return spring (4) withstands on the bottom of connecting hole (12); When spring bearing bore (15) arranged at the bottom of described connecting hole (12), the core that spring bearing bore (15) and connecting hole (12) rotate at rear lock core (13) or the part close to center of rotation, spring bearing bore (15) is later through connecting hole (12) above, be provided with return spring (4) in spring bearing bore (15), one end of return spring (4) withstands on the rearward end of connector (3); Described asynchronous lockhole runs through the front/rear end of rear lock core (13) at the peripheral edge portion rotated close to rear lock core (13);

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

Described connector (3) is one section of connector (3), the front end of connector (3) coordinates with the front end of pushing tow key (17) can slide in stealthy hole He in connecting hole (12), when connector (3) slides in stealthy hole, its rear end can be inserted in the connecting hole (12) in rear lock core (13), for connecting front lock core (2) and rear lock core (13);

Described special bitting comprises pushing tow key (17) and the shank of the key (19), and pushing tow key (17) is fixed on the shank of the key (19); The middle part of the side direction of the key in special bitting hole (16) is inserted or rear portion pushes away terrace (18) at pushing tow key (17), pushing away terrace (18) for promoting the shank of crushing block (5), having at least on the key on a direction at one and pushing away terrace (18); The described terrace (18) that pushes away is the class face crossing with the longitudinal direction of the main body of pushing tow key (17) that wide part below that pushing tow key (17) inserts the part of the key in special bitting hole (16) is formed with part narrow above, or pushing tow key (17) inserts the class face crossing with the longitudinal direction of the main body of pushing tow key (17) that there are protrusion and formation in the middle part of the side direction of the key in special bitting hole (16) or rear portion; 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 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); Expanding plate (8) is simultaneously in squeezing groove (7) and in expansion groove (9), there is no the insertion of pushing tow key (17), crushing block (5) in expansion groove (9) can not move, crushing block (5) can not 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; 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, pushing tow key (17) is inserted in connecting hole (12) through special bitting hole (16) the pusher body (3) that is dynamically connected, completes and the connection of front lock core (2) and rear lock core (13), while pushing tow key (17) inserts special bitting hole (16), pushing away after terrace (18) promotes the shank of crushing block (5) in special bitting hole (16) on pushing tow key (17) is moved, move after driving the briquetting portion of sliding bar (6) and crushing block (5), slide in the briquetting portion of crushing block (5) in squeezing groove (7), under the guiding on the inclined-plane on the extruding inclined-plane on crushing block (5) and extruding, the expansion end of expanding plate (8) is drawn close in expansion groove (9), along with moving after crushing block (5), the bottom of squeezed briquetting (5) is pressed in expansion groove (9) expanding plate (8), leave expansion groove (9), 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), sliding bar (6) promotes crushing block (5) reach and leaves the expansion end of expanding plate (8) under the promotion of guide springs (10), expanding plate (8) enters in squeezing groove (7) under the promotion of natural resiliency power, 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, the shank of the crushing block (5) exposing sliding tray (20) think by mistake be cylinder lock pushing tow pellet and attempt opening theftproof lock in a shank for the crushing block (5) exposing sliding tray (20) press-in sliding tray (20), but because the shank of crushing block (5) cannot be pressed in sliding tray (20), make robber or the Wang Wufa that unblanks opens inner support locking in expanding plate (8) press-in expansion groove (9); Even if robber or the king that unblanks open inner support locking, 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; There is no the promotion of the pushing tow key (17) in special bitting, inner support locking can not be opened, crushing block (5) can not be made to extrude expanding plate (8) makes expanding plate (8) exit squeezing groove (7) and front lock core (2) can not be rotated, rear lock core (13) also 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 and multiple safety;

After namely robber or the king that unblanks use flat instrument to adopt barbarous way to damage expanding plate (8), 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 mechanical interlocked without play 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) to be hidden in lock core and lock body (1) and realize interlocking stealth.

3. according to claim 1 mechanical interlocked without playing theftproof lock, it is characterized in that: in order to make pushing tow key (17) can promote sliding bar (6) and connector (3) smoothly, the length of described sliding bar (6) is shorter than the length of sliding eye (11); Described pushing tow key (17) is longer than special bitting hole (16).

4. according to claim 1 mechanical interlocked without playing theftproof lock, it is characterized in that: in order to inner support locking can be opened, behind extruding inclined-plane oblique compression expanding plate (8) when crushing block (5) is mobile before crushing block (5), extruding expanding plate (8) is continued in the bottom of crushing block (5), makes expanding plate (8) exit in expansion groove (9) and open inner support locking.

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

6. according to claim 1 mechanical interlocked without playing theftproof lock, it is characterized in that: described mechanical interlocked without play theftproof lock rational in infrastructure, to manufacture and easy to use, interlocking, stealthy and good anti-theft effect; Expanding plate (8) is 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 integrate asynchronous, stealthy, self-locking, synchronized links and asynchronous warning function theftproof lock, 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 coupling part, can not rotate be hidden in front lock core (2) below rear lock core (13), serve real anti-theft function.

7. a mechanical interlocked manufacture method without playing theftproof lock, it is characterized in that: lock body (1) during fabrication, via hole, lock core hole, expansion groove (9) 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 squeezing groove (7) on front lock core (2);

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 sliding tray (20), sliding eye (11), squeezing groove (7), 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 sliding eye (11) creates one with sliding tray (20) and squeezing groove (7), is manufactured in the lock core body of front lock core (2), the inside of described sliding eye (11) creates rank or does not have the elongated hole on rank, it is all that blind hole or two ends create the end face of wearing out front lock core (2) or one end creates the end face wearing out front lock core (2) that two ends create, when sliding eye (11) creates the end face wearing out front lock core (2), the sliding bar (6) blocking with screw or block with plug or limit with jump ring or limit in sliding eye (11) or the position of guide springs (10), sliding eye (11) is manufactured on the neutral gear place beyond the special bitting hole (16) of the peripheral edge portion rotated close to front lock core (2), be manufactured on the two ends of squeezing groove (7), with sliding tray (20), communicate with squeezing groove (7), the periphery of front lock core (2) is worn out in the position that described squeezing groove (7) is manufactured on the mid portion of sliding eye (11), communicate with the sliding tray (20) of squeezing groove (7) the inside and the sliding eye (11) at two ends, corresponding with the position of the lock groove on lock body (1), the key of special bitting hole (16) is worn out in the inside that described sliding tray (20) is manufactured on squeezing groove (7), communicates with squeezing groove (7), sliding eye (11) and special bitting hole (16),

Sliding bar (6) creates cylinder or stairstepping cylinder, and cylinder manufactures patchhole (21);

Guide springs (10) creates stage clip;

Crushing block (5) creates pelmatozoa and briquetting portion, and described shank is inlaid into the patchhole (21) on sliding bar (6), interior and exceed patchhole (21), and overage extend in special bitting hole (16) through after sliding tray (20); The bottom in described briquetting portion manufactures the radian consistent with the radian of the periphery of front lock core (2), manufacture before briquetting portion and have the extruding inclined-plane be connected with bottom, the extruding inclined-plane of crushing block (5) is installed near the expansion end of expanding plate (8) or is pressed on the expansion end of expanding plate (8);

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

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, special bitting creates pushing tow key (17) and the shank of the key (19) two parts, pushing tow key (17) is manufactured on the shank of the key (19), it is wide that the part of the key inserted in special bitting hole (16) by pushing tow key (17) creates aft section, previous section is narrow and the class face crossing with the longitudinal direction of the main body of pushing tow key (17) that wide part below that is that make pushing tow key (17) insert the part of the key in special bitting hole (16) is formed with part narrow above, or insert the middle part of the part of the key in special bitting hole (16) or rear portion at pushing tow key (17) to manufacture to have and protrude and the class face crossing with the longitudinal direction of the main body of pushing tow key (17) that formed, this class face crossing with the longitudinal direction of the main body of pushing tow key (17) pushes away terrace (18) exactly, the shape of special bitting hole (16) creates with the shape of pushing tow key (17) same or similar, and described 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) and have sliding eye (11), sliding tray (20), squeezing groove (7), specially bitting hole (16) and stealthy hole, connector (3) is installed in stealthy hole, have asynchronous lockhole and 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 on squeezing groove (7) and to draw in hole before guide springs (10), the middle part of sliding bar (6) is arranged in squeezing groove (7), two ends are arranged in sliding eye (11), crushing block (5) is embedded in the patchhole (21) on the sliding bar (6) of the part in squeezing groove (7), the shank of crushing block (5) stretches in special bitting hole (16) through after sliding tray (20), the bottom of crushing block (5) is in squeezing groove (7), the fixed end of expanding plate (8) is fixed in expansion groove (9), the expansion end of expanding plate (8) stretches in squeezing groove (7) and coordinates with crushing block (5).

8. play theftproof lock according to claim 1 and mechanical interlocked nothing according to claim 7, it is characterized in that: for the ease of manufacturing and assembling, the manufacture hop count of lock core (2) before changing, the described easily manufactured needs of lock body (1) according to internal construction and the needs of manufacturing process, front lock core (2) segmentation manufacture again near the end or end in stealthy hole, or in the position segmentation manufacture again of squeezing groove (7), or in the position segmentation manufacture again of sliding tray (20), 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).