CN205531790U - Mechanical type pickproof lock - Google Patents

Abstract

The utility model relates to a mechanical type pickproof lock belongs to tool to lock technical field, including the lock casing, the lock core subassembly, the driving lever subassembly of unblanking, main tongue subassembly and labella subassembly, lock core subassembly location is in the lock casing, unblank the driving lever subassembly and be connected with the lock core subassembly, it includes lever shaft to unblank the driving lever subassembly, lever shaft cover and driving lever handle, main tongue subassembly includes the master lock tongue, master lock tongue post, master lock tongue driving lever and locating bearing, the labella subassembly includes the spring bolt subassembly, lower spring bolt subassembly, the linkage horizontal pole, vice spring bolt post and vice spring bolt driving lever, it can and drive the master lock tongue to lock casing internal contraction through master lock tongue driving lever drive master lock tongue post to pull the driving lever subassembly of unblanking, simultaneously spring bolt subassembly and spring bolt subassembly are down gone up to lock casing internal contraction to the vice spring bolt post of vice spring bolt driving lever drive and driving, the pickproof lock gets into the unblock state. The utility model discloses a mechanical linkage, its link gear is simple, convenient operation nimble, process convenient assembling and have multiple pick -proof theftproof function.

Description

A kind of mechanical antitheft lock

Technical field

This utility model relates to lock technology field, particularly to a kind of mechanical linkage theftproof lock.

Background technology

Lock has very close relationship in human lives, it is indispensable instrument in usually living as people, being related to the safety of each family, unit and public place, along with the progress in epoch, the mankind there has also been higher requirement to the various performances of lock.At present, anti-theft lockset structure on the market and a great variety of models, generally can be divided into mechanical antitheft lock and the big class of electronic type theftproof lock two, electronic type theftproof lock is easily replicated, and safety is the highest.Electronic type theftproof lock, when unblanking, is driven by outer handle, utilizes the transmission between the gear in unlocking apparatus and gear to drive internal paddle, thus drives main dead bolt to move, it is achieved unblanks and upper latching operation；But, such structure needs to overcome gear forces effect, therefore when unlocking operation, needs bigger strength, causes operation inconvenience；And gear type is unblanked, also it is unfavorable for Rapid reset, causes inconvenience to user.

Mechanical antitheft lock, it relies on the interaction between machinery to realize the opening and closing of theftproof lock, reliability height.The basic structure of existing mechanical anti-theft lock is essentially all similar, dead bolt is developed into three-dimensional five tongue formula mechanical anti-theft lock by single direction, dead bolt is pushed directly on lock core, the theftproof lock of this structure structurally designs not reasonable, structure is complicated, theftproof performance is the best and processes relatively difficult, shared space is the biggest, there is also fault rate height, cost is high, operate with the shortcomings such as inconvenience simultaneously, this theftproof lock is in use, switch lock will use key and turn key every time, not very convenient；Torque when simultaneously turning key is relatively big, and the abrasion of key and lock core is more serious；It addition, the inclined-plane of mechanical type anti-theft inclined tongue of lock is directed towards outdoors, it is easy to being supported by the thin slice with certain degree of hardness and open, thus cause door to be opened in the case of need not key, this enters the room for burglar and provides conveniently.

In sum, the mechanical antitheft lock of prior art, in addition to the probability that there is technical unlocking, due also to there is many defects in structure, and bring pick-proof, crashworthiness, anti-spreading performance the best, in other words, inartful is opened or taken precautions against to the safe antitheft performance either precautionary technology of traditional mechanical formula theftproof lock is that destructive unlatching aspect can not meet demand.

Summary of the invention

The purpose of this utility model be to provide a kind of simple and reasonable, cost of manufacture is low, theftproof performance good, mechanical antitheft lock flexible to operation, this theftproof lock uses mechanical linkage, its link gear is simple, process and assemble convenient, and there is multiple pick-proof and anti-theft function, effectively solve the problem that above-mentioned background technology exists.

This utility model the technical scheme is that a kind of mechanical antitheft lock for achieving the above object, including lock housing body, unblank driving lever assembly, labella assembly, main tongue assembly and lock core assembly, described lock core assembly is positioned in lock housing body, driving lever assembly of unblanking is arranged on the upside of lock core assembly and is connected with lock core assembly, described driving lever assembly of unblanking includes shift lever axis, driving lever axle sleeve and driving lever hands handle, driving lever axle sleeve is positioned in lock housing body, shift lever axis is through described driving lever axle sleeve and extends to lock enclosure interior, driving lever handle is connected to shift lever axis and is positioned at one end that lock housing is external, described shift lever axis is positioned at one end of lock housing body and is additionally provided with fixation clamp, described fixation clamp is connected with the driver plate of lock core assembly by connecting rod, stirring described driving lever handle can drive driver plate to rotate；Described main tongue assembly includes main dead bolt, main dead bolt post, main dead bolt driving lever and for positioning the positioning support of main dead bolt, described positioning support is arranged in lock housing body, main dead bolt can be extended out lock hull outside through the front end of positioning support and main dead bolt, described main dead bolt post is vertically connected on main dead bolt afterbody, and be connected between main dead bolt post and positioning support and have returning pull-spring I, main dead bolt driving lever is connected with the driver plate of lock core assembly and extends to main dead bolt post right side edge, connect between described main dead bolt driving lever and positioning support and have returning pull-spring II, the driver plate that turns clockwise can drive main dead bolt post by main dead bolt driving lever and drive main dead bolt to retract into released state in lock housing body；nullDescribed labella assembly includes upper lock tongue assembly、Lower bolt component、Linkage cross bar、Secondary dead bolt post and secondary dead bolt driving lever，In described upper lock tongue assembly is positioned at lock housing body by upper positioning support and the front end of upper lock tongue assembly can be extended out the outside of lock housing body upper end，In described lower bolt component is positioned at lock housing body by lower positioning support and the front end of lower bolt component can be extended out the outside of lock housing body lower end，Described linkage cross bar is sleeved on outside driving lever axle sleeve and can rotate around driving lever axle sleeve，And link to be connected between cross bar with lock core assembly and have returning pull-spring III，Described upper lock tongue assembly、Lower bolt component is hinged with the two ends of linkage cross bar respectively，Described secondary dead bolt post is connected with lower bolt component，Secondary dead bolt driving lever is connected with the driver plate of lock core assembly and extends to secondary dead bolt post lower edge，It is connected between described secondary dead bolt driving lever and lock core assembly and has returning pull-spring IV，The driver plate that turns clockwise can drive secondary dead bolt post by secondary dead bolt driving lever and drive upper lock tongue assembly and lower bolt component to retract into released state in lock housing body.

Further technical scheme of the present utility model is: described upper lock tongue assembly includes upper lock tongue, upper connecting rod main body, upper drag link and upper gangbar, described upper lock tongue is connected to the front end of upper connecting rod main body, upper drag link is vertically connected on the afterbody of upper connecting rod main body, described upper connecting rod main body can be extended out the outside of lock housing body upper end through the upper lock tongue of upper positioning support and upper connecting rod body front end, upper connecting rod main body is connected with the epipleural of lock housing body by returning pull-spring V, described upper gangbar one end is hinged with upper drag link, and the other end is hinged with the right-hand member of linkage cross bar；Described lower bolt component includes lower dead bolt, lower link main body, lower drag link and lower gangbar, described lower dead bolt is connected to the front end of lower link main body, lower drag link is vertically connected on the afterbody of lower link main body, described lower link main body can be extended out the outside of lock housing body lower end through the lower dead bolt of lower positioning support and lower link body front end, lower link main body is connected with the lower side panel of lock housing body by returning pull-spring VI, described lower gangbar one end is hinged with lower drag link, and the other end is hinged with the left end of linkage cross bar；Described secondary dead bolt post is connected with lower gangbar.

Further technical scheme of the present utility model is: be also respectively provided with labella locking device on described upper positioning support and lower positioning support, upper connecting rod body upper surface through upper positioning support offers upper lock hole I and upper lock hole II, and the lower link body upper surface through lower positioning support offers lower lock hole I and lower lock hole II；nullDescribed labella locking device includes labella dead bolt handle、Labella dead bolt handle positioning sleeve and labella dead bolt handle lead，Labella dead bolt handle positioning sleeve is separately fixed at positioning support and lower positioning support upper surface，Labella dead bolt handle positioning sleeving shaft is upwards provided with the labella dead bolt handle accepting hole for positioning labella dead bolt handle，Labella dead bolt handle positioning sleeve outer surface is additionally provided with the guiding elongated slot connected with labella dead bolt handle accepting hole，Described labella dead bolt handle is positioned in labella dead bolt handle accepting hole and labella dead bolt handle can move up and down in labella dead bolt handle accepting hole，Labella dead bolt handle lead is through guiding elongated slot and being connected with labella dead bolt handle，During labella dead bolt handle moves up and down, labella dead bolt handle lead can slide up and down in guiding elongated slot；Described labella dead bolt handle front end is also associated with labella dead bolt, during lock-out state, labella dead bolt on upper positioning support is through upper positioning support and extends in lock hole I or upper lock hole II, and the labella dead bolt on lower positioning support is through lower positioning support and extends in lower lock hole I or lower lock hole II.The described labella dead bolt handle being positioned at labella dead bolt handle accepting hole radially offers latch handle self-locking hole, the latch handle self-locking hole I corresponding with latch handle self-locking hole and latch handle self-locking hole II is offered on labella dead bolt handle positioning sleeve, latch handle self-locking steel ball and latch handle self-locking spring it is provided with in described latch handle self-locking hole, when labella dead bolt handle lead slides into guiding elongated slot upper end, latch handle self-locking steel ball is pressed on latch handle self-locking hole I by latch handle self-locking spring, when labella dead bolt handle lead slides into guiding elongated slot lower end, latch handle self-locking steel ball is pressed on latch handle self-locking hole II by latch handle self-locking spring.

Further technical scheme of the present utility model is: this mechanical antitheft lock also includes the quickly unlocking driving lever assembly being arranged on the downside of lock core assembly, described quickly unlocking driving lever assembly includes interior driving lever hands handle, dead bolt driving lever, driving lever connects seat, quickly unlocking driving lever axle sleeve, outer driving lever hands handle, quickly unlocking driving lever gag lever post and quickly unlocking shift lever axis, described quickly unlocking driving lever axle sleeve is positioned in lock housing body, quickly unlocking shift lever axis each extends over out lock hull outside through quickly unlocking driving lever axle sleeve and quickly unlocking shift lever axis two ends, described interior driving lever handle and outer driving lever handle are respectively perpendicular the two ends being connected to quickly unlocking shift lever axis；Described driving lever connection cover for seat is fixed outside quickly unlocking shift lever axis and with quickly unlocking shift lever axis and is connected；Described dead bolt driving lever is connected seat and connects and extend to main dead bolt post right side edge with driving lever, and be connected between dead bolt driving lever and positioning support and have returning pull-spring VII, rotating quickly unlocking shift lever axis counterclockwise can drive main dead bolt post by dead bolt driving lever and drive main dead bolt to retract into released state in lock housing body；Described quickly unlocking driving lever gag lever post is connected seat and connects with driving lever, is additionally provided with the driving lever limited block for limiting the quickly unlocking driving lever gag lever post anglec of rotation on the left of quickly unlocking driving lever gag lever post, and described driving lever limited block is fixing with quickly unlocking driving lever axle sleeve to be connected.

Further technical scheme of the present utility model is: the right side of described quickly unlocking driving lever gag lever post is additionally provided with driving lever stopping means, driving lever stopping means includes driving lever spacing hands handle, limited post, driving lever spacing handle lead and spacing handle positioning sleeve, described spacing handle positioning sleeve is arranged in lock housing body and is positioned on the right side of quickly unlocking driving lever gag lever post, described spacing handle positioning sleeving shaft is upwards provided with the driving lever spacing handle accepting hole for positioning the spacing handle of driving lever, the spacing handle of driving lever extends in driving lever spacing handle accepting hole and can rotate in driving lever spacing handle accepting hole, described limited post is connected with the spacing handle of driving lever protruded above spacing handle positioning sleeve；Described spacing handle positioning sleeve outer surface is additionally provided with the guide and limit groove that handle accepting hole spacing with driving lever connects, the central angle of guide and limit groove is 90 °, described driving lever spacing handle lead through guide and limit groove and is connected with the spacing handle of driving lever being positioned in driving lever spacing handle accepting hole, and during the spacing rotatable handle of driving lever, driving lever spacing handle lead can horizontally slip in guide and limit groove. The described spacing handle of driving lever being positioned in driving lever spacing handle accepting hole radially offers spacing handle self-locking hole, the spacing handle self-locking hole I corresponding with spacing handle self-locking hole and spacing handle self-locking hole II is offered on spacing handle positioning sleeve, spacing handle self-locking steel ball and spacing handle self-locking spring it is provided with in described spacing handle self-locking hole, when driving lever spacing handle lead slides into guide and limit groove right-hand member, spacing handle self-locking steel ball is pressed on spacing handle self-locking hole I by spacing handle self-locking spring, when driving lever spacing handle lead slides into guide and limit groove left end, spacing handle self-locking steel ball is pressed on spacing handle self-locking hole II by spacing handle self-locking spring.

Further technical scheme of the present utility model is: be additionally provided with main tongue locking device on described positioning support, described main dead bolt upper surface is further opened with the elongated slot coordinated with main tongue locking device, described main tongue locking device includes main tongue dead bolt, main tongue latch positioning sleeve, slanted kicking block and oblique top post, described main tongue latch positioning sleeve is arranged on positioning support upper surface, main tongue latch positioning sleeving shaft is upwards provided with the main tongue latch accepting hole I and main tongue latch accepting hole II being mutually communicated, main tongue latch accepting hole I is downwardly extending by main tongue latch positioning sleeve upper surface, main tongue latch accepting hole II is upwardly extended by main tongue latch positioning sleeve lower surface and is formed, the diameter of main tongue latch accepting hole I is little compared with the diameter of main tongue latch accepting hole II, described positioning sleeve outer surface is additionally provided with the gathering sill connected with main tongue latch accepting hole II；Described main tongue dead bolt includes latch handle, bolt body and latch, described bolt body is positioned in main tongue latch accepting hole II, latch handle is connected to bolt body upper end and extends in main tongue latch accepting hole I, spring also it is arranged with outside described latch handle, spring is positioned in main tongue latch accepting hole II and the upper end of spring is pressed on main tongue latch accepting hole II upper end, and the lower end of spring is pressed on bolt body by the step surface at middle part；Described latch is connected to bolt body lower end and latch penetrate positioning support and extend to main dead bolt upper surface elongated slot in；Described slanted kicking block is connected through gathering sill with bolt body, is provided with the inclined-plane that ecto-entad is downward-sloping on the right side of slanted kicking block, and described oblique top post is connected with the driver plate of lock core assembly；When rotating clockwise driver plate oblique top post be against below the inclined-plane of slanted kicking block and by slanted kicking block upwards jack-up thus drive main tongue dead bolt to move up, when latch leaves the elongated slot of main dead bolt, main dead bolt enters released state in can being contracted to lock housing body completely.Described latch handle includes handle main body and handle connecting portion, the handle that handle connecting portion upper surface concave downward is provided with for position fixing handle main body positions hole, the outside of described handle main body lower end offers the detent of 360 °, the dowel hole corresponding with detent is offered outside handle connecting portion, described handle main body lower end and is extended in detent through dowel hole by alignment pin after extending to hole, handle location, thus handle main body is positioned in hole, handle location；Described main tongue latch positioning sleeve upper surface concave downward is provided with groove, is additionally provided with the limited block corresponding with groove outside handle main body, and the width of described limited block is consistent with the width of groove, and the length of limited block is more than the width of limited impression.

Further technical scheme of the present utility model is: described lock hull outside is additionally provided with the boosting-rod for being compressed to completely by key in the keyhole of lock core assembly, and described boosting-rod is hinged on lock hull outside by positioning seat.

This utility model one mechanical antitheft lock, owing to using said structure, has the advantages that

1, this utility model one mechanical antitheft lock uses mechanical linkage, its link gear is simple, process and assemble convenient, cost of manufacture is low, flexible to operation, the upper and lower of antitheft door and side three-dimensional are jointly locked by this utility model by main tongue assembly and labella assembly, having multiple pick-proof and anti-theft function, theftproof performance is good；And this utility model is different from the mode of unblanking of existing theftproof lock, this utility model is not required to turn key, as long as inserting a key into lock core and pulling driving lever handle and can realize lock, the most simple to operate, time saving and energy saving, also reduce and turn the action of key and prevent key accelerated wear test；Simultaneously because mechanical type anti-theft lock assembly of the present utility model is relatively fewer, drive disk assembly structural strength is high, therefore has the highest pick-proof, anti-theft, adds lawless person's difficulty by violent means unlatching burglar-proof door；Main dead bolt of the present utility model and secondary lock tongue linking mechanism are relatively independent, and during use, motility is good, will not have misoperation, and reliability is high.

2, this utility model is provided with main tongue locking device on the positioning support of main dead bolt, when antitheft door is in the lock state, the main tongue dead bolt of main tongue locking device is under the action of the spring, latch is always positioned in the elongated slot of main dead bolt upper surface, if lawless person attempts to use the thin slice with certain degree of hardness from outdoors to opening main dead bolt, after the most main dead bolt shrinks certain length in lock housing body, the latch being positioned in elongated slot can stop main dead bolt to continue to the contraction of lock housing body, the most main dead bolt can not be contracted in lock housing body completely, antitheft door also cannot realize opening, avoid lawless person to be opened on doorway in the case of need not key, effectively raise theftproof performance of the present utility model.

3, this utility model is provided with labella locking device on the upper positioning support and lower positioning support of labella assembly, and offers lock hole I and lock hole II the most accordingly in upper connecting rod main body and lower link main body；When upper lock tongue and lower dead bolt extend lock hull outside (i.e. antitheft door is in locking state), if the labella dead bolt handle of labella locking device is pressed downwards, labella dead bolt is made to be positioned in lock hole I, the most whether there is key, all upper lock tongue and lower dead bolt can not be made to shrink in lock housing body by pulling driving lever handle, say, that now antitheft door is in the state of locking；When upper lock tongue and lower dead bolt are contracted in lock housing body completely, if the labella dead bolt handle of labella locking device is pressed downwards, labella dead bolt is made to be positioned in lock hole II, upper lock tongue and lower dead bolt are always maintained at being contracted in lock housing body, main tongue assembly is the most now only had to participate in the locking of antitheft door and labella assembly is not involved in the locking of antitheft door, this function can be used during user room away from keyboard, add use motility of the present utility model.

4, this utility model is additionally provided with quickly unlocking driving lever assembly, by pulling the interior driving lever handle of quickly unlocking driving lever assembly or outer driving lever handle, makes dead bolt driving lever drive main dead bolt post and drive main dead bolt to shrink in lock housing body；When user needs room away from keyboard and quickly returns, it is possible to use quickly unlocking driving lever assembly coordinates labella locking device to be not required to the function of key just energy fast and easy unlatching burglar-proof door after realizing of short duration leaving.

5, this utility model is additionally provided with driving lever stopping means on the right side of quickly unlocking driving lever assembly, quickly unlocking driving lever assembly can be made not work by driving lever stopping means.

6, this utility model one mechanical type anti-theft is locked in the external side of lock housing and is additionally provided with boosting-rod, can be easily compressed to completely in keyhole by key by boosting-rod, facilitates the user that the strength such as old man and child is less to use.

With embodiment, this utility model one mechanical antitheft lock is further described below in conjunction with the accompanying drawings.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of mechanical antitheft lock of this utility model；

Fig. 2 is the other direction view of Fig. 1；

Fig. 3 is the internal structure schematic diagram (locking state) of a kind of mechanical antitheft lock of this utility model；

Fig. 4 is the perspective view of Fig. 3；

Fig. 5 is the structural representation of released state shown in Fig. 3；

Fig. 6 is that this utility model is diagrammatically only by out lock core assembly, the structural representation (locking state) of unblank driving lever assembly and main tongue assembly in lock housing body；

Fig. 7 is the perspective view of Fig. 6；

Fig. 8 is the structural representation of released state shown in Fig. 6；

Fig. 9 is the structural representation (locking state) that this utility model is diagrammatically only by out lock core assembly, unblank driving lever assembly and labella assembly in lock housing body；

Figure 10 is the perspective view of Fig. 9；

Figure 11 is the structural representation of released state shown in Fig. 9；

Figure 12 is the structural representation (locking state) that this utility model is diagrammatically only by out lock core assembly, driving lever assembly of unblanking, main tongue assembly, quickly unlocking driving lever assembly and driving lever stopping means in lock housing body；

Figure 13 is the perspective view of Figure 12；

Figure 14 is the structural representation of released state shown in Figure 12；

Figure 15 is the perspective view of this utility model quickly unlocking driving lever assembly；

Figure 16 is the perspective view of this utility model driving lever stopping means；

Figure 17 is the partial sectional view of Figure 16；

Figure 18 is the perspective view of this utility model labella locking device；

Figure 19 is that the N of Figure 18 is to partial sectional view；

Figure 20 is that the M of Figure 18 is to partial sectional view；

Figure 21 is this utility model main tongue assembly and the perspective view of main tongue locking device；

Figure 22 is that the H of Figure 21 is to partial sectional view；

Figure 23 is that the K of Figure 21 is to partial sectional view (the incomplete released state of main dead bolt)；

Figure 24 is that the K of Figure 21 is to partial sectional view (the complete released state of main dead bolt)；

Figure 25 is the structural representation of main tongue latch positioning sleeve shown in Figure 21；

Figure 26 is the sectional view of Figure 25；

Figure 27 is the structural representation of main tongue dead bolt shown in Figure 21；

Figure 28 is the decomposing schematic representation of Figure 27；

nullDrawing reference numeral illustrates: 1-lock housing body，2-unblanks driving lever assembly，21-shift lever axis，22-connecting rod，23-driving lever handle，24-fixation clamp，25-driving lever axle sleeve，3-labella assembly，311-upper lock tongue，312-returning pull-spring V，313-upper connecting rod main body，The upper lock hole of 3131-I，The upper lock hole of 3132-II，The upper positioning support of 314-，The upper drag link of 315-，The upper gangbar of 316-，32-links cross bar，321-returning pull-spring III，33-pair dead bolt post，34-pair dead bolt driving lever，341-returning pull-spring IV，Gangbar under 351-，Drag link under 352-，Positioning support under 353-，354-lower link main body，Lock hole I under 3541-，Lock hole II under 3542-，Dead bolt under 355-，356-returning pull-spring VI，4-quickly unlocking driving lever assembly，Driving lever handle in 41-，42-dead bolt driving lever，43-driving lever connects seat，44-quickly unlocking driving lever axle sleeve，The outer driving lever handle of 45-，46-driving lever limited block，47-quickly unlocking driving lever gag lever post，48-quickly unlocking shift lever axis，49-returning pull-spring VII，5-labella locking device，51-labella dead bolt handle，511-latch handle self-locking hole，512-labella dead bolt，52-labella dead bolt handle positioning sleeve，521-latch handle self-locking hole I，522-latch handle self-locking hole II，523-labella dead bolt handle accepting hole，524-guides elongated slot，53-labella dead bolt handle lead，54-latch handle self-locking steel ball，55-latch handle self-locking spring，6-driving lever stopping means，The spacing handle of 61-driving lever，611-spacing handle self-locking hole，62-limited post，63-driving lever spacing handle lead，64-spacing handle positioning sleeve，641-spacing handle self-locking hole I，642-spacing handle self-locking hole II，643-guide and limit groove，644-driving lever spacing handle accepting hole，65-spacing handle self-locking steel ball，66-spacing handle self-locking spring，7-main tongue assembly，71-main dead bolt post，72-main dead bolt driving lever，73-returning pull-spring I，74-positioning support，The main dead bolt of 75-，751-elongated slot，76-returning pull-spring II，8-main tongue locking device，81-main tongue dead bolt，811-latch handle，8111-handle main body，81111-limited block，81112-detent，8112-handle connecting portion，Hole, 81121-handle location，81122-dowel hole，8113-alignment pin，812-bolt body，813-latch，82-main tongue latch positioning sleeve，821-groove，822-main tongue latch accepting hole I，823-main tongue latch accepting hole II，824-gathering sill，83-slanted kicking block，831-inclined-plane，84-oblique top post，85-spring，9-lock core assembly，91-driver plate，10-boosting-rod，101-positioning seat，102-key.

Detailed description of the invention

As shown in Figures 1 to 5, this utility model one mechanical antitheft lock, including lock housing body 1, driving lever assembly 2 of unblanking, labella assembly 3, main tongue assembly 7 and lock core assembly 9, described lock core assembly 9 is positioned in lock housing body 1, and driving lever assembly 2 of unblanking is arranged on the upside of lock core assembly 9 and is connected with lock core assembly 9.

As shown in Figure 6 to 8, described driving lever assembly 2 of unblanking includes shift lever axis 21, driving lever handle 23 and driving lever axle sleeve 25, driving lever axle sleeve 25 is positioned in lock housing body 1, shift lever axis 21 is through described driving lever axle sleeve 25 and extends to lock housing body 1 inside, driving lever handle 23 is connected to one end that shift lever axis 21 is positioned at outside lock housing body 1, one end that described shift lever axis 21 is positioned at lock housing body 1 is additionally provided with fixation clamp 24, described fixation clamp 24 is connected with the driver plate 91 of lock core assembly 9 by connecting rod 22, the key supporting with lock core assembly 9 is inserted in keyhole, after lock core assembly 9 is in released state, the driver plate 91 of lock core assembly 9 can be freely rotatable, driver plate 91 can be driven to rotate by connecting rod 22 now by pulling driving lever handle 23.

Described main tongue assembly 7 includes main dead bolt post 71, main dead bolt driving lever 72, main dead bolt 75 and for positioning the positioning support 74 of main dead bolt 75, described positioning support 74 is arranged in lock housing body 1, main dead bolt 75 can be extended out outside lock housing body 1 through the front end of positioning support 74 and main dead bolt 75, described main dead bolt post 71 is vertically connected on main dead bolt 75 afterbody, and be connected between main dead bolt post 71 and positioning support 74 and have returning pull-spring I 73, main dead bolt driving lever 72 is connected with the driver plate 91 of lock core assembly 9 and extends to main dead bolt post 71 right side edge, connect between described main dead bolt driving lever 72 and positioning support 74 and have returning pull-spring II 76.Driver plate 91 can be driven to turn clockwise by connecting rod 22 when pulling driving lever handle 23, the main dead bolt driving lever 72 being now connected with driver plate 91 compresses main dead bolt post 71 and drives main dead bolt 75 to lock housing body 1 contract, and now theftproof lock enters released state.

nullAs shown in Figures 9 to 11，Described labella assembly 3 includes upper lock tongue assembly、Lower bolt component、Linkage cross bar 32、Secondary dead bolt post 33 and secondary dead bolt driving lever 34，Described upper lock tongue assembly is positioned at interior and upper lock tongue assembly the front end of lock housing body 1 by upper positioning support 314 and can be extended out the outside of lock housing body 1 upper end，In described lower bolt component is positioned at lock housing body 1 by lower the positioning support 353 and front end of lower bolt component can be extended out the outside of lock housing body 1 lower end，Described linkage cross bar 32 is sleeved on outside driving lever axle sleeve 25 and can rotate around driving lever axle sleeve 25，And link to be connected between cross bar 32 with lock core assembly 9 and have returning pull-spring III 321，Described upper lock tongue assembly、Lower bolt component is hinged with the two ends of linkage cross bar 32 respectively，Described secondary dead bolt post 33 is connected with lower bolt component，Secondary dead bolt driving lever 34 is connected with the driver plate 91 of lock core assembly 9 and extends to secondary dead bolt post 33 lower edge，It is connected between described secondary dead bolt driving lever 34 and lock core assembly 9 and has returning pull-spring IV 341，The driver plate 91 that turns clockwise can drive secondary dead bolt post 33 by secondary dead bolt driving lever 34 and drive upper lock tongue assembly and lower bolt component to enter released state to lock housing body 1 contract.

In the present embodiment, described upper lock tongue assembly includes upper lock tongue 311, upper connecting rod main body 313, upper drag link 315 and upper gangbar 316, described upper lock tongue 311 is connected to the front end of upper connecting rod main body 313, upper drag link 315 is vertically connected on the afterbody of upper connecting rod main body 313, the upper lock tongue 311 that described upper connecting rod main body 313 passes upper positioning support 314 and upper connecting rod main body 313 front end can be extended out the outside of lock housing body 1 upper end, upper connecting rod main body 313 is connected with the epipleural of lock housing body 1 by returning pull-spring V 312, described upper gangbar 316 one end is hinged with upper drag link 315, the other end is hinged with the right-hand member of linkage cross bar 32；Described lower bolt component includes lower dead bolt 355, lower link main body 354, lower drag link 352 and lower gangbar 351, described lower dead bolt 355 is connected to the front end of lower link main body 354, lower drag link 352 is vertically connected on the afterbody of lower link main body 351, the lower dead bolt 355 that described lower link main body 354 passes lower positioning support 353 and lower link main body 354 front end can be extended out the outside of lock housing body 1 lower end, lower link main body 354 is connected with the lower side panel of lock housing body 1 by returning pull-spring VI 356, described lower gangbar 351 one end is hinged with lower drag link 352, the other end is hinged with the left end of linkage cross bar 32；Described secondary dead bolt post 33 is connected with lower gangbar 351.

When user needs to unlock antitheft door, as long as the key supporting with lock core assembly 9 being inserted in keyhole, after lock core assembly 9 is in released state, the driver plate 91 of lock core assembly 9 can be freely rotatable, now pulling driving lever handle 23 can drive driver plate 91 to rotate by connecting rod 22, the main dead bolt driving lever 72 and the secondary dead bolt driving lever 34 that are connected with driver plate 91 followed by driver plate 91 and rotate clockwise, main dead bolt driving lever 72 drives main dead bolt post 71 and drives main dead bolt 75 to lock housing body 1 contract, the most secondary dead bolt driving lever 34 also drives secondary dead bolt post 33 and drives upper lock tongue 311 and lower dead bolt 355 to lock housing body 1 contract, when main dead bolt 75, when upper lock tongue 311 and lower dead bolt 355 are contracted in lock housing body 1 completely, antitheft door is in released state, realize the unlatching of antitheft door；After unclamping driving lever handle 23, main dead bolt 75 extends outside lock housing body 1 under the pulling force effect of returning pull-spring I 73, upper lock tongue 311 and lower dead bolt 355 extend lock housing body about 1 both sides the most respectively under the pulling force effect of returning pull-spring V 312 and returning pull-spring VI 356 simultaneously, and theftproof lock is reset to locking state.

As shown in Figure 18 to Figure 20, it is also respectively provided with labella locking device 5 on upper positioning support 314 of the present utility model and lower positioning support 353, upper connecting rod main body 313 upper surface through upper positioning support 314 offers upper lock hole I 3131 and upper lock hole II 3132, and lower link main body 354 upper surface through lower positioning support 353 offers lower lock hole I 3541 and lower lock hole II 3542；nullDescribed labella locking device 5 includes labella dead bolt handle 51、Labella dead bolt handle positioning sleeve 52 and labella dead bolt handle lead 53，Labella dead bolt handle positioning sleeve 52 is separately fixed at positioning support 314 and lower positioning support 353 upper surface，Labella dead bolt handle positioning sleeve 52 is axially provided with the labella dead bolt handle accepting hole 523 for positioning labella dead bolt handle 51，Labella dead bolt handle positioning sleeve 52 outer surface is additionally provided with the guiding elongated slot 524 connected with labella dead bolt handle accepting hole 523，Described labella dead bolt handle 51 is positioned in labella dead bolt handle accepting hole 523 and labella dead bolt handle 51 can move up and down in labella dead bolt handle accepting hole 523，Labella dead bolt handle lead 53 is through guiding elongated slot 524 and being connected with labella dead bolt handle 51，During labella dead bolt handle 51 moves up and down, labella dead bolt handle lead 53 can slide up and down in guiding elongated slot 524；Described labella dead bolt handle 51 front end is also associated with labella dead bolt 512, during lock-out state, labella dead bolt 512 on upper positioning support 314 through upper positioning support 314 and extends in lock hole I 3131 or upper lock hole II 3132, and the labella dead bolt 512 on lower positioning support 353 through lower positioning support 353 and extends in lower lock hole I 3541 or lower lock hole II 3542.When upper lock tongue 311 and lower dead bolt 355 extend (i.e. antitheft door is in locking state) outside lock housing body 1, if the labella dead bolt handle 51 of labella locking device 5 is pressed downwards, labella dead bolt 512 is made to be positioned in lock hole I 3131 and lower lock hole I 3541, the most whether there is key, all upper lock tongue 311 and lower dead bolt 355 can not be made to lock housing body 1 contract by pulling driving lever handle 23, say, that now antitheft door is in the state of locking；When upper lock tongue 311 and lower dead bolt 355 are contracted in lock housing body 1 completely, if the labella dead bolt handle 51 of labella locking device 5 is pressed downwards, labella dead bolt 512 is made to be positioned in lock hole II 3132 and lower lock hole II 3542, upper lock tongue 311 and lower dead bolt 355 are always maintained at being contracted in lock housing body 1, main tongue assembly 7 is the most now only had to participate in the locking of antitheft door and labella assembly 3 is not involved in the locking of antitheft door, this function can be used during user room away from keyboard, add use motility of the present utility model.

nullAs shown in figure 19，The labella dead bolt handle 51 being positioned at labella dead bolt handle accepting hole 523 radially offers latch handle self-locking hole 511，The latch handle self-locking hole I 521 corresponding with latch handle self-locking hole 511 and latch handle self-locking hole II 522 is offered on labella dead bolt handle positioning sleeve 52，Latch handle self-locking steel ball 54 and latch handle self-locking spring 55 it is provided with in described latch handle self-locking hole 511，When labella dead bolt handle lead 53 slides into guiding elongated slot 524 upper end，Latch handle self-locking steel ball 54 is pressed on latch handle self-locking hole I 521 by latch handle self-locking spring 55，When labella dead bolt handle lead 53 slides into guiding elongated slot 524 lower end，Latch handle self-locking steel ball 54 is pressed on latch handle self-locking hole II 522 by latch handle self-locking spring 55.By self-locking spring, self-locking steel ball is pressed in self-locking hole, the state of labella dead bolt handle 51 can well be kept, prevent maloperation.

Mechanical antitheft lock of the present utility model also includes the quickly unlocking driving lever assembly 4 being arranged on the downside of lock core assembly 9, as shown in Fig. 2 to Figure 15, described quickly unlocking driving lever assembly 4 includes interior driving lever handle 41, dead bolt driving lever 42, driving lever connects seat 43, quickly unlocking driving lever axle sleeve 44, outer driving lever handle 45, quickly unlocking driving lever gag lever post 47 and quickly unlocking shift lever axis 48, described quickly unlocking driving lever axle sleeve 44 is positioned in lock housing body 1, quickly unlocking shift lever axis 48 each extends over out outside lock housing body 1 through quickly unlocking driving lever axle sleeve 44 and quickly unlocking shift lever axis 48 two ends, described interior driving lever handle 41 and outer driving lever handle 45 are respectively perpendicular the two ends being connected to quickly unlocking shift lever axis 48；Described driving lever connection seat 43 is enclosed within outside quickly unlocking shift lever axis 48 and fixes with quickly unlocking shift lever axis 48 and is connected；Described dead bolt driving lever 42 is connected seat 43 and connects and extend to main dead bolt post 71 right side edge with driving lever, and be connected between dead bolt driving lever 42 with positioning support 74 and have returning pull-spring VII 49, rotating quickly unlocking shift lever axis 48 counterclockwise can drive main dead bolt post 71 by dead bolt driving lever 42 and drive main dead bolt 75 to enter released state to lock housing body 1 contract；Described quickly unlocking driving lever gag lever post 47 is connected seat 43 with driving lever and connects, being additionally provided with the driving lever limited block 46 for limiting quickly unlocking driving lever gag lever post 47 anglec of rotation on the left of quickly unlocking driving lever gag lever post 47, described driving lever limited block 46 is fixing with quickly unlocking driving lever axle sleeve 44 to be connected.

nullWhen user needs room away from keyboard and quickly returns，Quickly unlocking driving lever assembly 4 can be used to coordinate labella locking device 5 to be not required to the function of key just energy fast and easy unlatching burglar-proof door after realizing of short duration leaving，Concrete operations are as follows: when upper lock tongue 311 and lower dead bolt 355 are contracted in lock housing body 1 completely，The labella dead bolt handle 51 of labella locking device 5 is pressed downwards，Labella dead bolt 512 is made to be positioned in lock hole II 3132 and lower lock hole II 3542，Upper lock tongue 311 and lower dead bolt 355 are always maintained at being contracted in lock housing body 1，I.e. labella assembly 3 is not involved in the locking of antitheft door，Now can pull interior driving lever handle 41 in the case of being not inserted into key makes main dead bolt 75 be contracted to completely in lock housing body 1，Reach the purpose without key just energy unlatching burglar-proof door，Use very convenient.

Such as Figure 12 to Figure 14, Figure 16, shown in Figure 17, the right side of quickly unlocking driving lever gag lever post 47 of the present utility model is additionally provided with driving lever stopping means 6, driving lever stopping means 6 includes the spacing handle of driving lever 61, limited post 62, driving lever spacing handle lead 63 and spacing handle positioning sleeve 64, in described spacing handle positioning sleeve 64 is arranged on lock housing body 1 and be positioned on the right side of quickly unlocking driving lever gag lever post 47, described spacing handle positioning sleeve 64 is axially provided with the driving lever spacing handle accepting hole 644 for positioning the spacing handle of driving lever 61, the spacing handle of driving lever 61 extends in driving lever spacing handle accepting hole 644 and can rotate in driving lever spacing handle accepting hole 644, described limited post 62 is connected with the spacing handle of driving lever 61 protruded above spacing handle positioning sleeve 64；Described spacing handle positioning sleeve 64 outer surface is additionally provided with the guide and limit groove 643 that handle accepting hole 644 spacing with driving lever connects, the central angle of guide and limit groove 643 is 90 °, described driving lever spacing handle lead 63 through guide and limit groove 643 and is connected with the spacing handle of driving lever 61 being positioned in driving lever spacing handle accepting hole 644, and in driving lever spacing handle 61 rotary course, driving lever spacing handle lead 63 can horizontally slip in guide and limit groove 643.Rotate the spacing handle of driving lever 61 of driving lever stopping means 6, limited post 62 is made to be pressed on the right side of the quickly unlocking driving lever gag lever post 47 of quickly unlocking driving lever assembly 4, now interior driving lever handle 41 and the outer driving lever handle 45 of quickly unlocking driving lever assembly 4 all cannot be pulled, and also main dead bolt 75 cannot be made to be contracted in lock housing body 1 by quickly unlocking driving lever assembly 4.

nullAs shown in figure 17，The described spacing handle of driving lever 61 being positioned in driving lever spacing handle accepting hole 644 radially offers spacing handle self-locking hole 611，The spacing handle self-locking hole I 641 corresponding with spacing handle self-locking hole 611 and spacing handle self-locking hole II 642 is offered on spacing handle positioning sleeve 64，Spacing handle self-locking steel ball 65 and spacing handle self-locking spring 66 it is provided with in described spacing handle self-locking hole 611，When driving lever spacing handle lead 63 slides into guide and limit groove 643 right-hand member，Spacing handle self-locking steel ball 65 is pressed on spacing handle self-locking hole I 641 by spacing handle self-locking spring 66，When driving lever spacing handle lead 63 slides into guide and limit groove 643 left end，Spacing handle self-locking steel ball 65 is pressed on spacing handle self-locking hole II 642 by spacing handle self-locking spring 66.

Being additionally provided with main tongue locking device 8 on described positioning support 74, described main dead bolt 75 upper surface is further opened with the elongated slot 751 coordinated with main tongue locking device 8.As Figure 21 is to shown in 24, and main tongue locking device 8 includes that main tongue dead bolt 81, main tongue latch positioning sleeve 82, slanted kicking block 83 and oblique top post 84, described main tongue latch positioning sleeve 82 are arranged on positioning support 74 upper surface；As shown in Figure 25, Figure 26, main tongue latch positioning sleeve 82 is axially provided with the main tongue latch accepting hole I 822 and main tongue latch accepting hole II 823 being mutually communicated, main tongue latch accepting hole I 822 is downwardly extending by main tongue latch positioning sleeve 82 upper surface, main tongue latch accepting hole II 823 is upwardly extended by main tongue latch positioning sleeve 82 lower surface and is formed, the diameter of main tongue latch accepting hole I 822 is little compared with the diameter of main tongue latch accepting hole II 823, and described positioning sleeve 82 outer surface is additionally provided with the gathering sill 824 connected with main tongue latch accepting hole II 823；nullSuch as Figure 27、Shown in Figure 28，Described main tongue dead bolt 81 includes latch handle 811、Bolt body 812 and latch 813，Described latch handle 811 includes handle main body 8111 and handle connecting portion 8112，The handle that handle connecting portion 8112 upper surface concave downward is provided with for position fixing handle main body 8111 positions hole 81121，The outside of described handle main body 8111 lower end offers the detent 81112 of 360 °，The dowel hole 81122 corresponding with detent 81112 is offered outside handle connecting portion 8112，Described handle main body 8111 lower end and is extended in detent 81112 through dowel hole 81122 by alignment pin 8113 after extending to hole 81121, handle location，Thus handle main body 8111 is positioned in hole 81121, handle location；Described bolt body 812 is positioned in main tongue latch accepting hole II 823, handle connecting portion 8112 is connected to bolt body 812 upper end and extends in main tongue latch accepting hole I 822, spring 85 also it is arranged with outside described handle connecting portion 8112, spring 85 is positioned in main tongue latch accepting hole II 823 and the upper end of spring 85 is pressed on main tongue latch accepting hole II 823 upper end, and the lower end of spring 85 is pressed on bolt body 812 by the step surface at middle part；Described latch 813 is connected to bolt body 812 lower end and latch 813 penetrate positioning support 74 and extend to main dead bolt 75 upper surface elongated slot 751 in；Described slanted kicking block 83 is connected through gathering sill 824 with bolt body 812, is provided with the downward-sloping inclined-plane of ecto-entad 831 on the right side of slanted kicking block 83, and described oblique top post 84 is connected with the driver plate 91 of lock core assembly 9；When rotating clockwise driver plate 91 oblique top post 84 be against below the inclined-plane 831 of slanted kicking block 83 and by slanted kicking block 83 upwards jack-up thus drive main tongue dead bolt 81 to move up, when latch 813 leaves the elongated slot 751 of main dead bolt 75, main dead bolt 75 enters released state in can being contracted to lock housing body 1 completely.

In the present embodiment, main tongue latch positioning sleeve 82 upper surface concave downward is provided with groove 821, the limited block 81111 corresponding with groove 821 it is additionally provided with outside handle main body 8111, the width of described limited block 81111 is consistent with the width of groove 821, and the length of limited block 81111 is more than the width of limited impression 821.Being lifted up by the main tongue dead bolt 81 of main tongue locking device 8 during use and rotary handle main body 811 makes limited block 81111 be stuck in above groove 821, now latch 813 is positioned at outside elongated slot 751, thus releases the locking to main dead bolt 75 of the main tongue locking device 8.

nullIt is provided with main tongue locking device 8 owing to mechanical type anti-theft of the present utility model is locked on the positioning support 74 of main dead bolt 75，When antitheft door is in the lock state，The main tongue dead bolt 81 of main tongue locking device 8 is under the elastic force effect of spring 85，Latch 813 is always positioned in the elongated slot 751 of main dead bolt 75 upper surface，If lawless person attempts to use the thin slice with certain degree of hardness from outdoors to opening main dead bolt 75，The most main dead bolt 75 is after lock housing body 1 contract certain length，The latch 812 being positioned in elongated slot 751 can stop main dead bolt 75 to continue to lock housing body 1 contract (seeing Figure 23)，The most main dead bolt 75 can not be contracted in lock housing body 1 completely，Antitheft door also cannot realize opening，Avoid lawless person to be opened on doorway in the case of need not key，Effectively raise theftproof performance of the present utility model；When user uses key normal release, pulling driving lever handle 23 drives driver plate 91 to rotate, the oblique top post 84 being connected on driver plate 91 be against below the inclined-plane 831 of slanted kicking block 83 and by slanted kicking block 83 upwards jack-up thus drive latch 813 to move up, last latch 813 leaves elongated slot 751, the most main dead bolt 75 can be contracted in lock housing body 1 (seeing Figure 24) completely, thus realizes the smooth unlatching of antitheft door.

The user less for convenience of the strength such as old man and child uses, and in the present embodiment, is additionally provided with boosting-rod 10 outside lock housing body 1, and described boosting-rod 10 is hinged on outside lock housing body 1 by positioning seat 101.After key 102 is put into keyhole by user, key can be compressed to completely in the keyhole of lock core assembly 9 by pressure boosting-rod 10 by boosting-rod 10, convenient and strength-saving.

Above example is only preferred embodiment of the present utility model; structure of the present utility model is not limited to the form that above-described embodiment is enumerated; all made within spirit of the present utility model and principle any amendment, equivalent etc., within should be included in protection domain of the present utility model.

Claims (10)

1. null1. a mechanical antitheft lock，Including lock housing body (1)、Unblank driving lever assembly (2)、Labella assembly (3)、Main tongue assembly (7) and lock core assembly (9)，Described lock core assembly (9) is positioned in lock housing body (1)，Driving lever assembly (2) of unblanking is arranged on the upside of lock core assembly (9) and is connected with lock core assembly (9)，It is characterized in that，Described driving lever assembly (2) of unblanking includes shift lever axis (21)、Driving lever axle sleeve (25) and driving lever handle (23)，Driving lever axle sleeve (25) is positioned in lock housing body (1)，Shift lever axis (21) is through described driving lever axle sleeve (25) and extends to lock housing body (1) inside，Driving lever handle (23) is connected to shift lever axis (21) and is positioned at lock housing body (1) one end outward，Described shift lever axis (21) is positioned at one end of lock housing body (1) and is additionally provided with fixation clamp (24)，Described fixation clamp (24) is connected with the driver plate (91) of lock core assembly (9) by connecting rod (22)，Stirring described driving lever handle (23) can drive driver plate (91) to rotate；nullDescribed main tongue assembly (7) includes main dead bolt (75)、Main dead bolt post (71)、Main dead bolt driving lever (72) and be used for positioning the positioning support (74) of main dead bolt (75)，Described positioning support (74) is arranged in lock housing body (1)，Main dead bolt (75) can be extended out lock housing body (1) outside through the front end of positioning support (74) and main dead bolt (75)，Described main dead bolt post (71) is vertically connected on main dead bolt (75) afterbody，And be connected between main dead bolt post (71) and positioning support (74) and have returning pull-spring I (73)，Main dead bolt driving lever (72) is connected with the driver plate of lock core assembly (9) (91) and extends to main dead bolt post (71) right side edge，Connect between described main dead bolt driving lever (72) and positioning support (74) and have returning pull-spring II (76)，The driver plate (91) that turns clockwise can drive main dead bolt post (71) by main dead bolt driving lever (72) and drive main dead bolt (75) to enter released state to lock housing body (1) contract；nullDescribed labella assembly (3) includes upper lock tongue assembly、Lower bolt component、Linkage cross bar (32)、Secondary dead bolt post (33) and secondary dead bolt driving lever (34)，Described upper lock tongue assembly is positioned at interior and upper lock tongue assembly the front end of lock housing body (1) by upper positioning support (314) and can be extended out the outside of lock housing body (1) upper end，Described lower bolt component is positioned in lock housing body (1) by lower positioning support (353) and the front end of lower bolt component can be extended out the outside of lock housing body (1) lower end，Described linkage cross bar (32) is sleeved on driving lever axle sleeve (25) outside and can rotate around driving lever axle sleeve (25)，And it is connected between the cross bar that links (32) with lock core assembly (9) and has returning pull-spring III (321)，Described upper lock tongue assembly、Lower bolt component is hinged with the two ends of linkage cross bar (32) respectively，Described secondary dead bolt post (33) is connected with lower bolt component，Secondary dead bolt driving lever (34) is connected with the driver plate (91) of lock core assembly (9) and extends to secondary dead bolt post (33) lower edge，It is connected between described secondary dead bolt driving lever (34) and lock core assembly (9) and has returning pull-spring IV (341)，The driver plate (91) that turns clockwise can drive secondary dead bolt post (33) by secondary dead bolt driving lever (34) and drive upper lock tongue assembly and lower bolt component to enter released state to lock housing body (1) contract.
2. null2. mechanical antitheft lock as claimed in claim 1，It is characterized in that，Described upper lock tongue assembly includes upper lock tongue (311)、Upper connecting rod main body (313)、Upper drag link (315) and upper gangbar (316)，Described upper lock tongue (311) is connected to the front end of upper connecting rod main body (313)，Upper drag link (315) is vertically connected on the afterbody of upper connecting rod main body (313)，Described upper connecting rod main body (313) can be extended out the outside of lock housing body (1) upper end through the upper lock tongue (311) of upper positioning support (314) and upper connecting rod main body (313) front end，Upper connecting rod main body (313) is connected with the epipleural of lock housing body (1) by returning pull-spring V (312)，Described upper gangbar (316) one end is hinged with upper drag link (315)，The other end is hinged with the right-hand member of linkage cross bar (32)；Described lower bolt component includes lower dead bolt (355), lower link main body (354), lower drag link (352) and lower gangbar (351), described lower dead bolt (355) is connected to the front end of lower link main body (354), lower drag link (352) is vertically connected on the afterbody of lower link main body (351), described lower link main body (354) can be extended out the outside of lock housing body (1) lower end through the lower dead bolt (355) of lower positioning support (353) and lower link main body (354) front end, lower link main body (354) is connected with the lower side panel of lock housing body (1) by returning pull-spring VI (356), described lower gangbar (351) one end is hinged with lower drag link (352), the other end is hinged with the left end of linkage cross bar (32)；Described secondary dead bolt post (33) is connected with lower gangbar (351).
3. 3. mechanical antitheft lock as claimed in claim 2, it is characterized in that, it is also respectively provided with labella locking device (5) on described upper positioning support (314) and lower positioning support (353), upper connecting rod main body (313) upper surface through upper positioning support (314) offers upper lock hole I (3131) and upper lock hole II (3132), and lower link main body (354) upper surface through lower positioning support (353) offers lower lock hole I (3541) and lower lock hole II (3542)；nullDescribed labella locking device (5) includes labella dead bolt handle (51)、Labella dead bolt handle positioning sleeve (52) and labella dead bolt handle lead (53)，Labella dead bolt handle positioning sleeve (52) is separately fixed at positioning support (314) and lower positioning support (353) upper surface，Labella dead bolt handle positioning sleeve (52) is axially provided with labella dead bolt handle accepting hole (523) for positioning labella dead bolt handle (51)，Labella dead bolt handle positioning sleeve (52) outer surface is additionally provided with the guiding elongated slot (524) connected with labella dead bolt handle accepting hole (523)，Described labella dead bolt handle (51) is positioned in labella dead bolt handle accepting hole (523) and labella dead bolt handle (51) can move up and down in labella dead bolt handle accepting hole (523)，Labella dead bolt handle lead (53) is through guiding elongated slot (524) and being connected with labella dead bolt handle (51)，During labella dead bolt handle (51) moves up and down, labella dead bolt handle lead (53) can slide up and down in guiding elongated slot (524)；Described labella dead bolt handle (51) front end is also associated with labella dead bolt (512), during lock-out state, labella dead bolt (512) on upper positioning support (314) is through upper positioning support (314) and extends in lock hole I (3131) or upper lock hole II (3132), and the labella dead bolt (512) on lower positioning support (353) is through lower positioning support (353) and extends in lower lock hole I (3541) or lower lock hole II (3542).
4. null4. mechanical antitheft lock as claimed in claim 3，It is characterized in that，Described labella dead bolt handle (51) being positioned at labella dead bolt handle accepting hole (523) radially offers latch handle self-locking hole (511)，The latch handle self-locking hole I (521) corresponding with latch handle self-locking hole (511) and latch handle self-locking hole II (522) is offered on labella dead bolt handle positioning sleeve (52)，Latch handle self-locking steel ball (54) and latch handle self-locking spring (55) it is provided with in described latch handle self-locking hole (511)，When labella dead bolt handle lead (53) slides into guiding elongated slot (524) upper end，Latch handle self-locking steel ball (54) is pressed on latch handle self-locking hole I (521) by latch handle self-locking spring (55)，When labella dead bolt handle lead (53) slides into guiding elongated slot (524) lower end，Latch handle self-locking steel ball (54) is pressed on latch handle self-locking hole II (522) by latch handle self-locking spring (55).
5. null5. mechanical antitheft lock as claimed in claim 1，It is characterized in that，This mechanical antitheft lock also includes quickly unlocking driving lever assembly (4) being arranged on lock core assembly (9) downside，Described quickly unlocking driving lever assembly (4) includes interior driving lever handle (41)、Dead bolt driving lever (42)、Driving lever connects seat (43)、Quickly unlocking driving lever axle sleeve (44)、Outer driving lever handle (45)、Quickly unlocking driving lever gag lever post (47) and quickly unlocking shift lever axis (48)，Described quickly unlocking driving lever axle sleeve (44) is positioned in lock housing body (1)，Quickly unlocking shift lever axis (48) each extends over out lock housing body (1) outside through quickly unlocking driving lever axle sleeve (44) and quickly unlocking shift lever axis (48) two ends，Described interior driving lever handle (41) and outer driving lever handle (45) are respectively perpendicular the two ends being connected to quickly unlocking shift lever axis (48)；Described driving lever connection seat (43) is enclosed within outside quickly unlocking shift lever axis (48) and fixes with quickly unlocking shift lever axis (48) and is connected；Described dead bolt driving lever (42) is connected seat (43) and connects and extend to main dead bolt post (71) right side edge with driving lever, and be connected between dead bolt driving lever (42) with positioning support (74) and have returning pull-spring VII (49), rotating quickly unlocking shift lever axis (48) counterclockwise can drive main dead bolt post (71) by dead bolt driving lever (42) and drive main dead bolt (75) to enter released state to lock housing body (1) contract；Described quickly unlocking driving lever gag lever post (47) is connected seat (43) and connects with driving lever, quickly unlocking driving lever gag lever post (47) left side is additionally provided with the driving lever limited block (46) for limiting quickly unlocking driving lever gag lever post (47) anglec of rotation, and described driving lever limited block (46) is fixing with quickly unlocking driving lever axle sleeve (44) to be connected.
6. null6. mechanical antitheft lock as claimed in claim 5，It is characterized in that，The right side of described quickly unlocking driving lever gag lever post (47) is additionally provided with driving lever stopping means (6)，Driving lever stopping means (6) includes the spacing handle of driving lever (61)、Limited post (62)、Driving lever spacing handle lead (63) and spacing handle positioning sleeve (64)，Described spacing handle positioning sleeve (64) is arranged in lock housing body (1) and is positioned at quickly unlocking driving lever gag lever post (47) right side，Described spacing handle positioning sleeve (64) is axially provided with the driving lever spacing handle accepting hole (644) for positioning the spacing handle of driving lever (61)，The spacing handle of driving lever (61) extends in driving lever spacing handle accepting hole (644) and can rotate in driving lever spacing handle accepting hole (644)，Described limited post (62) is connected with the spacing handle of the driving lever (61) protruding spacing handle positioning sleeve (64) top；Described spacing handle positioning sleeve (64) outer surface is additionally provided with the guide and limit groove (643) that handle accepting hole (644) spacing with driving lever connects, the central angle of guide and limit groove (643) is 90 °, described driving lever spacing handle lead (63) through guide and limit groove (643) and is connected with the spacing handle of the driving lever (61) being positioned in driving lever spacing handle accepting hole (644), and in driving lever spacing handle (61) rotary course, driving lever spacing handle lead (63) can horizontally slip in guide and limit groove (643).
7. null7. mechanical antitheft lock as claimed in claim 6，It is characterized in that，The described spacing handle of the driving lever (61) being positioned in driving lever spacing handle accepting hole (644) radially offers spacing handle self-locking hole (611)，The spacing handle self-locking hole I (641) corresponding with spacing handle self-locking hole (611) and spacing handle self-locking hole II (642) is offered on spacing handle positioning sleeve (64)，It is provided with spacing handle self-locking steel ball (65) and spacing handle self-locking spring (66) in described spacing handle self-locking hole (611)，When driving lever spacing handle lead (63) slides into guide and limit groove (643) right-hand member，Spacing handle self-locking steel ball (65) is pressed on spacing handle self-locking hole I (641) by spacing handle self-locking spring (66)，When driving lever spacing handle lead (63) slides into guide and limit groove (643) left end，Spacing handle self-locking steel ball (65) is pressed on spacing handle self-locking hole II (642) by spacing handle self-locking spring (66).
8. null8. mechanical antitheft lock as claimed in claim 1，It is characterized in that，Main tongue locking device (8) it is additionally provided with on described positioning support (74)，Described main dead bolt (75) upper surface is further opened with the elongated slot (751) coordinated with main tongue locking device (8)，Described main tongue locking device (8) includes main tongue dead bolt (81)、Main tongue latch positioning sleeve (82)、Slanted kicking block (83) and oblique top post (84)，Described main tongue latch positioning sleeve (82) is arranged on positioning support (74) upper surface，Main tongue latch positioning sleeve (82) is axially provided with the main tongue latch accepting hole I (822) and main tongue latch accepting hole II (823) being mutually communicated，Main tongue latch accepting hole I (822) is downwardly extending by main tongue latch positioning sleeve (82) upper surface，Main tongue latch accepting hole II (823) is upwardly extended by main tongue latch positioning sleeve (82) lower surface and is formed，The diameter of main tongue latch accepting hole I (822) is little compared with the diameter of main tongue latch accepting hole II (823)，Described positioning sleeve (82) outer surface is additionally provided with the gathering sill (824) connected with main tongue latch accepting hole II (823)；Described main tongue dead bolt (81) includes latch handle (811), bolt body (812) and latch (813), described bolt body (812) is positioned in main tongue latch accepting hole II (823), latch handle (811) is connected to bolt body (812) upper end and extends in main tongue latch accepting hole I (822), described latch handle (811) outside is also arranged with spring (85), spring (85) is positioned in main tongue latch accepting hole II (823) and the upper end of spring (85) is pressed on main tongue latch accepting hole II (823) upper end, the lower end of spring (85) is pressed on bolt body (812) by the step surface at middle part；Described latch (813) is connected to bolt body (812) lower end and latch (813) penetrate positioning support (74) and extend to main dead bolt (75) upper surface elongated slot (751) in；Described slanted kicking block (83) is connected through gathering sill (824) with bolt body (812), and slanted kicking block (83) right side is provided with the downward-sloping inclined-plane of ecto-entad (831), and described oblique top post (84) is connected with the driver plate (91) of lock core assembly (9)；When rotating clockwise driver plate (91) oblique top post (84) be against slanted kicking block (83) inclined-plane (831) lower section and by slanted kicking block (83) upwards jack-up thus drive main tongue dead bolt (81) to move up, when latch (813) leaves elongated slot (751) of main dead bolt (75), main dead bolt (75) enters released state in can being contracted to lock housing body (1) completely.
9. null9. mechanical antitheft lock as claimed in claim 8，It is characterized in that，Described latch handle (811) includes handle main body (8111) and handle connecting portion (8112)，The handle that handle connecting portion (8112) upper surface concave downward is provided with for position fixing handle main body (8111) positions hole (81121)，The outside of described handle main body (8111) lower end offers the detent (81112) of 360 °，Handle connecting portion (8112) outside offers the dowel hole (81122) corresponding with detent (81112)，Described handle main body (8111) lower end extend to handle hole, location (81121) afterwards by alignment pin (8113) through dowel hole (81122) and in extending to detent (81112)，Thus handle main body (8111) is positioned in handle hole, location (81121)；Described main tongue latch positioning sleeve (82) upper surface concave downward is provided with groove (821), handle main body (8111) outside is additionally provided with the limited block (81111) corresponding with groove (821), the width of described limited block (81111) is consistent with the width of groove (821), and the length of limited block (81111) is more than the width of limited impression (821).
10. 10. mechanical antitheft lock as claimed in claim 1, it is characterized in that, described lock housing body (1) outside is additionally provided with the boosting-rod (10) for being compressed to completely in the keyhole of lock core assembly (9) by key (102), and described boosting-rod (10) is hinged on lock housing body (1) outside by positioning seat (101).