CN106368527B

CN106368527B - A kind of mechanical linkage theftproof lock

Info

Publication number: CN106368527B
Application number: CN201610788736.9A
Authority: CN
Inventors: 杨晶晶
Original assignee: Jiangsu Xin An Door And Window Co Ltd
Current assignee: Jiangsu xingjue Industry Co., Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2018-12-18
Anticipated expiration: 2036-08-31
Also published as: CN106368527A

Abstract

The present invention relates to a kind of mechanical linkage theftproof locks, belong to lock technology field, including lock shell, unlocking driving lever component, main tongue component, labella component and lock core component, main tongue component includes main lock tongue, main lock tongue column and main lock tongue positioning seat, and main lock tongue column is equipped with limited post；The clamping block of lock core component is against limited post edge；Unlocking driving lever component includes shift lever axis, driving lever axle sleeve, driving lever handle, and lock tongue driving lever is connected in the middle part of shift lever axis and is against main lock tongue column edge, and pulling driving lever handle can make main lock tongue to contract；Labella component includes upper and lower lock tongue, pulley, wirerope, and wirerope one end is connect with upper and lower lock tongue, and the other end is connect around pulley with main lock tongue, and when main lock tongue is to contract, wirerope makes upper and lower lock tongue while to lock shell contract.Mechanical linkage theftproof lock linkage mechanism of the invention is simple, process and assemble is convenient, reliable operation, flexible to operation, have multiple pick-proof and anti-theft function, can effectively avoid criminal's violence unlocking anti-theft lock.

Description

A kind of mechanical linkage theftproof lock

Technical field

The present invention relates to lock technology field, in particular to a kind of mechanical linkage theftproof lock.

Background technique

Lock has very close relationship in human lives, as people live usually in indispensable work Tool, is related to the safety of each family, unit and public place, with progress of the epoch, the mankind are to the various of lock Performance also has higher requirement.Currently, anti-theft lockset structure and a great variety of models on the market, it is anti-to generally can be divided into mechanical linkage Lock and electronic type theftproof lock two major classes are stolen, mechanical linkage theftproof lock realizes theftproof lock by the interaction between machinery It opens and closes, high reliablity.The basic structure of existing mechanical anti-theft lock be essentially all it is similar, lock tongue is via single Five tongue formula mechanical anti-theft lock of three-dimensional is developed into direction, pushes directly on lock tongue with lock core, the theftproof lock of this structure is in structure Design not reasonable, structure is complicated, anti-theft performance is bad and it is also bigger to process relatively difficult, shared space, simultaneously also There are high failure rate, it is at high cost, operate with the disadvantages of inconvenience.

Summary of the invention

Simple, process and assemble convenience that the object of the present invention is to provide a kind of linkage mechanisms, the mechanical linkage of reliable operation are anti- Steal lock, it is flexible to operation, there is multiple pick-proof and anti-theft function, the above-mentioned background technique of effective solution there are the problem of.

The present invention to achieve the above object the technical solution adopted is that: a kind of mechanical linkage theftproof lock, including lock shell, open Lock driving lever component, main tongue component, labella component and lock core component, the lock core component are located in lock shell, the main tongue group Part includes main lock tongue, main lock tongue column and the main lock tongue positioning seat for positioning main lock tongue, and the main lock tongue positioning seat is located in lock In shell, and it is located at below lock core component, main lock tongue passes through main lock tongue positioning seat, and the front end of main lock tongue can be extended out lock shell Outside, the main lock tongue column are vertically connected on main lock tongue rear end, and main lock tongue column is also connected with limit plate by lock core component side, institute Limit plate upper surface is stated equipped with limited post；Clamping block is connected on the driver plate of the lock core component, clamping block and main lock tongue position It is connected with returning pull-spring between seat, clamping block is against limited post right side edge under the action of returning pull-spring；The unlocking driving lever Component includes that shift lever axis, driving lever axle sleeve, interior driving lever handle, outer driving lever handle and lock tongue driving lever, driving lever axle sleeve are located in lock shell Interior and be located at below main lock tongue, the shift lever axis is located in driving lever axle sleeve, and shift lever axis both ends each extend over out outside lock shell Side, the interior driving lever handle be located on rear side of lock shell and it is vertical with shift lever axis connect, outer driving lever handle is located at lock shell front side simultaneously Vertical with shift lever axis to connect, the lock tongue driving lever is connected in the middle part of shift lever axis, and side extends where lock tongue driving lever to main tongue component And it is against main lock tongue column left side edge, when lock core component is in the unlocked state, pulling interior driving lever handle or outer driving lever handle can be with Main lock tongue column is driven by lock tongue driving lever and drives main lock tongue to lock shell contract；The labella component include upper lock tongue, under Lock tongue, top sheave, lower sheave, wirerope I and wirerope II, the upper lock tongue are located in lock shell by upper lock tongue positioning seat It is interior, and the front end of upper lock tongue can be extended out the outside of lock shell upper end, the lower lock tongue is located in lock by lower lock tongue positioning seat In shell, and the front end of lower lock tongue can be extended out the outside of lock shell lower end, and the top sheave is located in main lock tongue positioning seat Upper end, lower sheave are located in the lower end of main lock tongue positioning seat, and I one end of wirerope is connect with upper lock tongue, and the other end bypasses top sheave Outside is simultaneously connect with the rear end of main lock tongue, and II one end of wirerope is connect with lower lock tongue, the other end around on the outside of lower sheave and with master The rear end of lock tongue connects, and when main lock tongue is to lock shell contract, drives wirerope I and wirerope II to move backward, passes through steel Cord I and wirerope II make upper lock tongue and lower lock tongue simultaneously to lock shell contract.

A further technical solution of the present invention is: the main lock tongue includes main lingual bar, main latch bolt and return spring I, it is described Main lingual bar passes through main lock tongue positioning seat, and main latch bolt is connected to main lingual bar front end and can be extended out on the outside of lock shell, the return bullet I set of spring on the outside of main lingual bar and I one end of return spring is against main latch bolt rear end face, and the other end is against on main lock tongue positioning seat；Institute Stating upper lock tongue includes upper lingual bar, upper latch bolt and return spring II, and the upper lingual bar passes through upper lock tongue positioning seat, and upper latch bolt is connected to Upper lingual bar front end and the outside that can be extended out lock shell upper end, described II set of return spring on the outside of upper lingual bar and return spring II One end is against latch bolt rear end face, and the other end is against on upper lock tongue positioning seat；The lower lock tongue includes lower lingual bar, lower latch bolt and returns Position spring III, the lower lingual bar pass through lower lock tongue positioning seat, and lower latch bolt is connected to lower lingual bar front end and can be extended out under lock shell The outside at end, III set of the return spring is on the outside of lower lingual bar and III one end of return spring is against lower latch bolt rear end face, the other end It is against on lower lock tongue positioning seat.

A further technical solution of the present invention is: the main lingual bar of the main lock tongue is fixed equipped with main lock tongue column by the position of rear end Position hole, main lock tongue column lower end passes through main lock tongue column location hole, and main lock tongue column can move up and down in main lock tongue column location hole；Lock Shell trailing flank position corresponding with main lock tongue column offers guiding elongated slot, and main lock tongue column upper end passes through guiding elongated slot and extends On the outside of lock shell；Lock shell leading flank position corresponding with main lock tongue column is equipped with the dead bolt group for pushing main lock tongue column Part；The dead bolt component includes positioning sleeve, bolt and latch spring, lock shell leading flank position corresponding with main lock tongue column It is provided with the fastening hole passed through for bolt, the front end of the bolt passes through fastening hole and extends in lock shell, is located at Periphery protrusion in the middle part of bolt on the outside of lock shell is equipped with step, and the latch spring covers on the outside of bolt, and bolt bullet Spring one end is against on step, and the other end is against on lock shell leading flank；The positioning sleeve is axially arranged with the spring eye being mutually communicated With pass through hole, the diameter for passing through hole is less than the diameter of spring eye, and positioning sleeve covers on the outside of bolt and connect with lock shell leading flank, Bolt on rear side of the step passes through hole and extends on the outside of positioning sleeve, and the bolt on front side of step and step is located in spring Kong Zhong.

It is equipped with and main lock tongue column location hole a further technical solution of the present invention is: the main lingual bar rear end extends forward The self-locking spring hole I to connect, self-locking spring hole I is equipped with internal screw thread by the position of main lingual bar rear end, in the self-locking spring hole I There is also positioned from lock set I, main lock tongue column be equipped with from the corresponding self-locking hole I of lock set I and self-locking hole II；Described self-locking group Part I includes self-locking spring I, self-locking steel ball I and end socket screw I, after end socket screw I is connected to self-locking spring hole I by internal screw thread End, to self-locking spring I and self-locking steel ball I are located in self-locking spring hole I, and self-locking steel ball I is pressed on by self-locking spring I In the self-locking hole I or self-locking hole II of main lock tongue column.

A further technical solution of the present invention is: limiting device is connected on the main lock tongue column, on main lock tongue positioning seat Equipped with the locking device for locking limiting device；The limiting device includes mounting base, gag lever post, spring and end plate, installation Seat is connected in the middle part of main lock tongue column, and mounting base is equipped with accommodating chamber, and the gag lever post front end is that limit that is downward and turning forward is oblique Tongue, gag lever post are equipped with positive stop lug boss by limiting the position of latch bolt, and gag lever post activity orientation limits latch bolt direction in accommodating chamber Side where locking device, the end plate connection pass through end plate in the receiving cavity rear end far from limit latch bolt side, limit rod rear end, The spring pocket is on the outside of the gag lever post between positive stop lug boss and end plate, and spring one end is against on positive stop lug boss, and the other end supports On end plate, the limit latch bolt of gag lever post front end is extended under the action of the spring on the outside of mounting base；The locking device includes Locating rack, locking shaft and locking level, locating rack are located on main lock tongue positioning seat, and the locating rack is gantry structure, positioning The cavity through its front and back sides is equipped in the middle part of frame, locating rack upper surface is extended downwardly equipped with shaft location hole, and it is fixed to lock shaft Position is in shaft location hole and the front end of locking shaft extends in cavity, and the locking level front end is downward and sweptback Latch bolt is locked, the locking level upper surface is connect with locking shaft front end, and locking shaft rear end is connected with handle；It is revolved by handle Twist lock determines shaft and the locking latch bolt of locking level front end is against below gag lever post, and main lock tongue column cannot move down at this time, main Lock tongue column is in the lock state, and when unlock, is made to lock shaft by handle and is rotated by 90 °, the locking latch bolt of locking level front end is separate Gag lever post, main lock tongue column can move down at this time.

A further technical solution of the present invention is: the locating rack side is equipped with the self-locking bullet to connect with shaft location hole Spring hole II, self-locking spring hole II are equipped with internal screw thread far from the rear end of shaft location hole, are located self-locking group in self-locking spring hole II Part II, be located on the outside of the locking shaft circumference in shaft location hole be equipped with from the corresponding limiting groove of lock set II, it is described It include self-locking spring II, self-locking steel ball II and end socket screw II from lock set II, end socket screw II is connected to certainly by internal screw thread II rear end of spring eye is locked, to self-locking spring II and self-locking steel ball II are located in self-locking spring hole II, and self-locking spring II Self-locking steel ball II is pressed in the limiting groove of locking shaft.

A further technical solution of the present invention is: the handle position-limited rack for lock handle is equipped on rear side of the lock shell, Handle position-limited rack includes vertical plate and transverse slat, and vertical plate is connected on lock shell trailing flank, and transverse slat is vertically connected on vertical plate upper end, transverse slat It is equipped with limit hole and spacer pin；When main lock tongue column is in the lock state, handle is located at below transverse slat, and spacer pin passes through limit Hole simultaneously extends on the outside of handle, to make main lock tongue column keep lock state below transverse slat handle limit.

A further technical solution of the present invention is: leading between the outer driving lever handle and shift lever axis on front side of lock shell It crosses connection and has been bolted transiting rod, the transiting rod axial direction is equipped with connecting hole, and connection bolt passes through connecting hole and extends Transiting rod front end, the connection bolt for extending transiting rod front end connect with shift lever axis end, are located at so that transiting rod is connected to Shift lever axis end on front side of lock shell, outer driving lever handle are vertically connected on transition rod rear end, and pulling outer driving lever handle can pass through Transiting rod drives shift lever axis rotation.

A further technical solution of the present invention is: lock shell trailing flank position point corresponding with upper lock tongue and lower lock tongue Not She You peep hole, be connected with baffle on the outside of peep hole.

A kind of mechanical linkage theftproof lock of the present invention is due to using the above structure, having the following beneficial effects:

1. a kind of mechanical linkage theftproof lock of the present invention is mutual with main lock tongue respectively by upper lock tongue and lower lock tongue using wirerope Connection, so that linkage mechanism is more simple, reduces cost and assembly process, while can also improve the reliability of theftproof lock；

2., by pressing main lock tongue column, limited post moves down at this time when user room away from keyboard and when returning quickly And be located at below clamping block, unlock locking of the block to main lock tongue column, it may not be necessary to key solution lock pin component Make main lock tongue to lock shell contract by pulling outer driving lever handle, achievees the purpose that unlocking, increase use of the invention Flexibility；

3. since outer driving lever handle is by transiting rod and driving lever axis connection, when criminal attempts to pull using violent means When outer driving lever handle, the junction of transiting rod and shift lever axis can skid, thus avoid violence pull outer driving lever handle make it is antitheft Internal damage is locked, safety and reliability of the invention is increased；

4. the present invention is respectively equipped with peep hole in lock shell trailing flank position corresponding with upper lock tongue and lower lock tongue, and sees It examines and is connected with baffle on the outside of hole, only need to unload lower baffle plate can observe inside theftproof lock, to facilitate maintenance operations.

A kind of mechanical linkage theftproof lock of the present invention is further described with reference to the accompanying drawings and examples.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of mechanical linkage theftproof lock of the present invention；

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

Fig. 3 is a kind of schematic diagram of internal structure of mechanical linkage theftproof lock of the present invention；

Fig. 4 is the other direction view of Fig. 3；

Fig. 5 is the structural schematic diagram that the present invention only illustrates main tongue component and labella component in lock shell；

Fig. 6 is that upper lock tongue of the present invention (lower lock tongue) is located in the intracorporal partial sectional view of lock housing；

Fig. 7 is the structural schematic diagram of unlocking driving lever component of the present invention；

Fig. 8 is the partial sectional view of Fig. 7；

Fig. 9 is the structural schematic diagram of unlocking driving lever component of the present invention, main tongue component, lock core component and dead bolt component；

Figure 10 is the top view of Fig. 9；

Figure 11 is the K direction view of Fig. 9；

Figure 12 is the structural schematic diagram of the present invention main tongue component and locking device；

Figure 13 is the N of Figure 12 to partial sectional view；

Figure 14 is the M of Figure 12 to partial sectional view；

Figure 15 is the partial enlarged view at B shown in Figure 13；

Figure 16 is the partial enlarged view at C shown in Figure 13；

Figure 17 is the partial enlarged view at D shown in Figure 14；

Figure 18 is the partial enlarged view at A shown in Fig. 1.

Specific embodiment

As shown in Fig. 1 to Figure 18, a kind of mechanical linkage theftproof lock of the present invention, including lock shell 1, unlocking driving lever component 5, master Tongue component 3, labella component 4 and lock core component 8, the lock core component 8 are located in lock shell 1.

As shown in Figures 9 to 11, the main tongue component 3 is including main lock tongue 32, main lock tongue column 33 and for positioning main lock tongue 32 main lock tongue positioning seat 31, the main lock tongue positioning seat 31 are located in lock shell 1, and are located at 8 lower section of lock core component；Main lock Tongue 32 includes main lingual bar 323, main latch bolt 321 and return spring I 322, and the main lingual bar 323 passes through main lock tongue positioning seat 31, main Latch bolt 321 is connected to main 323 front end of lingual bar and can be extended out 1 outside of lock shell, and I 322 sets of the return spring in main lingual bar 323 Outside and I 322 one end of return spring are against main 321 rear end face of latch bolt, and the other end is against on main lock tongue positioning seat 31；The main lock Tongue column 33 is vertically connected on main 32 rear end of lock tongue, and 1 trailing flank of lock shell position corresponding with main lock tongue column 33 offers guiding Elongated slot 12, main 33 upper end of lock tongue column pass through guiding elongated slot 12 and extend 1 outside of lock shell；Main lock tongue column 33 leans on lock core component 8 Side is also connected with limit plate 331, and 331 upper surface of limit plate is equipped with limited post 332.

The structure of lock core component 8 of the invention and the utility model patent structure one of Patent No. ZL201620197107.4 It causes, is not described in detail herein.In the present embodiment, clamping block 83, clamping block are connected on the driver plate 81 of the lock core component 8 Returning pull-spring 82 is connected between 83 and main lock tongue positioning seat 31, clamping block 83 is against limited post under the action of returning pull-spring 82 332 right side edges.

As shown in Figure 7, Figure 8, unlocking driving lever component 5 of the invention includes shift lever axis 55, driving lever axle sleeve 54, interior driving lever handle 51, outer driving lever handle 52 and lock tongue driving lever 56, driving lever axle sleeve 54 is located in lock shell 1 and is located at main 32 lower section of lock tongue, described Shift lever axis 55 is located in driving lever axle sleeve 54, and 55 both ends of shift lever axis each extend over out 1 outside of lock shell, the interior driving lever handle 51 be located at the rear side of lock shell 1 and it is vertical with shift lever axis 55 connect, outer driving lever handle 52 be located on front side of lock shell 1 and with shift lever axis 55 Vertical connection, the lock tongue driving lever 56 is connected to 55 middle part of shift lever axis, and lock tongue driving lever 56 extends simultaneously to main 3 place side of tongue component It is against main 33 left side edge of lock tongue column.

When lock core component 8 is in the lock state, the driver plate 81 and clamping block 83 of lock core component 8 are not able to rotate, due to lock Determine block 83 and be against 332 right side edge of limited post, therefore the main lock tongue column 33 connecting with limited post 332 is immovable, i.e., main lock tongue column 33 make the holding of winner's lock tongue 32 extend in 1 outside of lock shell, and theftproof lock is in the lock state at this time；When lock core component 8 is in solution When lock status, main lock tongue column 33 can be driven and be driven by lock tongue driving lever 56 by pulling interior driving lever handle 51 or outer driving lever handle 52 Main lock tongue 32 realizes the breakdown action of theftproof lock to 1 contract of lock shell.

As shown in Figure 5, Figure 6, the labella component 4 includes upper lock tongue 42, lower lock tongue 47, top sheave 44, lower sheave 45, steel Cord I 43 and wirerope II 46.The upper lock tongue 42 includes upper lingual bar 423, upper latch bolt 421 and return spring II 422, upper lingual bar 423 are located in lock shell 1 by upper lock tongue positioning seat 41, and upper latch bolt 421 is connected to 423 front end of lingual bar and can be extended out lock The outside of 1 upper end of shell, II 422 sets of the return spring in upper 423 outside of lingual bar and II 422 one end of return spring be against it is upper tiltedly 421 rear end face of tongue, the other end are against on upper lock tongue positioning seat 41；The lower lock tongue 47 includes lower lingual bar 473,471 and of lower latch bolt Return spring III 472, the lower lingual bar 473 are located in lock shell 1 by lower lock tongue positioning seat 48, and lower latch bolt 471 is connected to Lower 473 front end of lingual bar and the outside that can be extended out 1 lower end of lock shell, III 472 sets of the return spring in lower 473 outside of lingual bar and III 472 one end of return spring is against lower 471 rear end face of latch bolt, and the other end is against on lower lock tongue positioning seat 48；The top sheave 44 Be located in the upper end of main lock tongue positioning seat 31, lower sheave 45 is located in the lower end of main lock tongue positioning seat 31, I 43 one end of wirerope with Upper lock tongue 42 connects, and the other end connect around 44 outside of top sheave and with the rear end of main lock tongue 32, and II 46 one end of wirerope is under Lock tongue 47 connects, and the other end connect around 45 outside of lower sheave and with the rear end of main lock tongue 32.When main lock tongue 32 is into lock shell 1 When contraction, drives wirerope I 43 and wirerope II 46 to move backward, upper lock tongue 42 is made by wirerope I 43 and wirerope II 46 With lower lock tongue 47 simultaneously to 1 contract of lock shell.Using wirerope by upper lock tongue 42 and lower lock tongue 47 respectively with main 32 phase of lock tongue It connects, so that linkage mechanism is more simple, reduces cost and assembly process, while the reliability of theftproof lock can also be improved.

The main lingual bar 323 of the main lock tongue 32 of the present invention is equipped with main lock tongue column location hole 3231, main lock tongue column by the position of rear end 33 lower ends pass through main lock tongue column location hole 3231, so that main lock tongue column 33 be made to be vertically connected on main 32 rear end of lock tongue, and main lock tongue Column 33 can move up and down in main lock tongue column location hole 3231；323 rear end of main lingual bar extends forward to be equipped with and main lock tongue The self-locking spring hole I 3232 that column location hole 3231 connects, self-locking spring hole I 3231 are equipped with by the position of main 323 rear end of lingual bar Internal screw thread there is also positioned in the self-locking spring hole I 3232 from lock set I 35, main lock tongue column 33 be equipped with from lock set I 35 Corresponding self-locking hole I 331 and self-locking hole II 332；It is described to include self-locking spring I 352, I 353 and of self-locking steel ball from lock set I 35 End socket screw I 351, end socket screw I 351 are connected to I 3232 rear end of self-locking spring hole by internal screw thread, thus by self-locking spring I 352 and self-locking steel ball I 353 be located in self-locking spring hole I 3232, and self-locking steel ball I 353 is pressed on master by self-locking spring I 352 In the self-locking hole I 331 or self-locking hole II 332 of lock tongue column 33.

Main lock tongue column 33 is movably connected in main 32 rear end of lock tongue, when pressing main lock tongue column 33, main 33 side of lock tongue column Limited post 332 moves down and is located at 83 lower section of clamping block of lock core component 8, the lock for 83 pairs of the block main lock tongue columns 33 that unlock Fixed, can not need key solution lock pin component 8 at this time can be by pulling interior driving lever handle 51 or outer driving lever handle 52 make main lock tongue 32 to 1 contract of lock shell, achieve the purpose that unlocking, user room away from keyboard and quickly back when can make With this function, increase using flexible of the invention.

1 leading flank of lock shell position corresponding with main lock tongue column 33 is equipped with the dead bolt group for pushing main lock tongue column 33 Part 6, the dead bolt component 6 include positioning sleeve 61, bolt 62 and latch spring 64,1 leading flank of lock shell and main lock tongue column 33 corresponding positions are provided with the fastening hole passed through for bolt 62, and the front end of the bolt 62 passes through fastening hole and extends To lock shell 1, the periphery protrusion positioned at 62 middle part of bolt in 1 outside of lock shell is equipped with step 63, the latch spring 64 sets in the outside of bolt 62, and 64 one end of latch spring is against on step 63, and the other end is against on 1 leading flank of lock shell；It is described Positioning sleeve 61 is axially arranged with the spring eye 611 being mutually communicated and passes through hole 612, and the diameter for passing through hole 612 is less than spring eye 611 Diameter, 61 sets of positioning sleeve connect on the outside of bolt 62 and with 1 leading flank of lock shell, and the bolt 62 of 63 rear side of step is worn More hole 612 and the outside of positioning sleeve 62 is extended to, the bolt 62 of 63 front side of step 63 and step is located in spring eye 611.User Bolt 62 can pressed downwards outdoors, the front end of bolt 62 is against the lower end of main lock tongue column 33, and main lock tongue column 33 is pushed up upwards Out, the limited post 332 of main 33 side of lock tongue column moves up and is located at 83 side of clamping block of lock core component 8, and clamping block 83 is extensive The multiple locking to main lock tongue column 33, so that lock core component 8 can not open theftproof lock when being not at unlocked state.

As shown in Figure 12 to Figure 15, it is connected with limiting device 34 on the main lock tongue column 33, is set on main lock tongue positioning seat 31 There is the locking device 7 for locking limiting device 34；The limiting device 34 includes mounting base 341, gag lever post 343, spring 345 With end plate 344, mounting base 341 is connected to main 33 middle part of lock tongue column, and mounting base 341 is equipped with accommodating chamber 342, the gag lever post 343 Front end is the limit latch bolt 347 downwards and to turn forward, and gag lever post 343 is equipped with positive stop lug boss by limiting the position of latch bolt 347 346,343 activity orientation of gag lever post limits latch bolt 347 towards 7 place side of locking device, the end plate in accommodating chamber 342 344 are connected to 342 rear end of accommodating chamber far from limit 347 side of latch bolt, and 343 rear end of gag lever post passes through end plate 344, the spring 345 sets of 343 outsides of gag lever post between positive stop lug boss 346 and end plate 344, and 345 one end of spring is against positive stop lug boss 346 On, the other end is against on end plate 344, and the limit latch bolt 347 of 343 front end of gag lever post extends installation under the action of spring 345 341 outside of seat；The locking device 7 includes that locating rack 72, locking shaft 71 and locking level 73, locating rack 72 are located in main lock tongue On positioning seat 31, the locating rack 72 is gantry structure, and the cavity 75 through its front and back sides, positioning are equipped in the middle part of locating rack 72 72 upper surface of frame is extended downwardly equipped with shaft location hole, 72 side of locating rack be equipped with shaft location hole connect from Spring eye II 721 is locked, self-locking spring hole II 721 is equipped with internal screw thread far from the rear end of shaft location hole, in self-locking spring hole II 721 It is located from lock set II 76, it is described to include self-locking spring II 762, self-locking steel ball II 763 and end socket screw from lock set II 76 II 761, end socket screw II 761 is connected to II 721 rear end of self-locking spring hole by internal screw thread, thus by II 762 He of self-locking spring Self-locking steel ball II 763 is located in self-locking spring hole II 721；Locking shaft 71 is located in shaft location hole and locks shaft 71 Front end extend in cavity 75, be located in 71 periphery of locking shaft in shaft location hole be equipped with from lock set II 76 Corresponding limiting groove 711, and self-locking steel ball II 763 is pressed on the limiting groove 711 of locking shaft 71 by self-locking spring II 762 In；73 front end of locking level is downward and sweptback locking latch bolt 731,73 upper surface of locking level and locking shaft The connection of 71 front ends, locking 71 rear end of shaft are connected with handle 74.Before making locking level 73 by 74 spin locking shaft 71 of handle The locking latch bolt 731 at end is against 343 lower section of gag lever post, and main lock tongue column 33 cannot move down at this time, and main lock tongue column 33 is in lock Determine state, when unlock, makes to lock shaft 71 by handle 74 and be rotated by 90 °, the locking latch bolt 731 of 73 front end of locking level is far from limit Bar 343, main lock tongue column 33 can move down at this time.

Since 343 front end of gag lever post is the limit latch bolt 347 downwards and to turn forward, while 73 front end of locking level is downward And sweptback locking latch bolt 731, when limiting latch bolt 347 positioned at locking 731 lower section of latch bolt, the two contact surface is inclined-plane, When firmly main lock tongue column 33 being lifted up, latch bolt 347 is limited under the action of inclined-plane, the elastic force of spring 345 is overcome to act on backward It is mobile, to lifting limit latch bolt 347 to 347 top of limit latch bolt, it is in the lock state winner's lock tongue column 33, Bu Nengxiang Lower movement.

As shown in figure 18, the handle position-limited rack 77 for lock handle 74 is equipped on rear side of lock shell 1, handle position-limited rack 77 wraps Vertical plate 771 and transverse slat 772 are included, vertical plate 771 is connected on 1 trailing flank of lock shell, and transverse slat 772 is vertically connected on 771 upper end of vertical plate, Transverse slat 772 is equipped with limit hole and spacer pin 773；When main lock tongue column 33 is in the lock state, handle 74 is located under transverse slat 772 Side, spacer pin 773 pass through limit hole and extend to 74 outside of handle, thus by the limit of handle 74 below transverse slat 772, main lock tongue Column 33 keeps lock state, at this time cannot press main lock tongue column 33, and the holding of clamping block 83 is against 332 side of limited post, so that Main lock tongue 32 cannot become the antitheft process together of mechanical linkage theftproof lock of the invention, greatly increase to 1 contract of lock shell Safety and anti-theft.

In the present embodiment, the outer driving lever handle 52 and pass through connection between the shift lever axis 55 of the front side of lock shell 1 Bolt 531 is connected with transiting rod 53, and 53 axial direction of transiting rod is equipped with connecting hole 532, and connection bolt 531 passes through connecting hole 532 and extending 53 front end of transiting rod, the connection bolt 531 for extending 53 front end of transiting rod is connect with 55 end of shift lever axis, from And transiting rod 53 is connected to 55 end of shift lever axis positioned at 1 front side of lock shell, outer driving lever handle 52 is vertically connected on transiting rod 53 rear ends, pulling outer driving lever handle 52 can drive shift lever axis 55 to rotate by transiting rod 53.Since outer driving lever handle 52 passes through Transiting rod 53 is connect with shift lever axis 55, when criminal attempts to pull outer driving lever handle 52 using violent means, transiting rod 53 It can skid with the junction of shift lever axis 55, so that avoiding violence from pulling outer driving lever handle 52 makes theftproof lock internal damage, increase Safety and reliability of the invention.

For the ease of a kind of labella component of mechanical linkage theftproof lock of the present invention is overhauled and maintained, in lock shell 1 Trailing flank position corresponding with upper lock tongue 42 and lower lock tongue 47 is respectively equipped with peep hole 11, and is flexibly connected on the outside of peep hole 11 There is baffle, only need to unload lower baffle plate can observe inside theftproof lock, to facilitate maintenance operations.

For convenience of strength such as old man and children, lesser user is used, and in the present embodiment, is additionally provided on the outside of lock shell 1 Extension bar 23, the extension bar 23 is hinged on 1 outside of lock shell by positioning seat 21, when key 22 is put into keyhole by user Afterwards, key can be compressed to completely in the keyhole of lock core component 8 by pressure extension bar 23 by extension bar 23, convenient and strength-saving.

Above embodiments are only presently preferred embodiments of the present invention, and structure of the invention is not limited to what above-described embodiment was enumerated Form, any modification done within the spirit and principles of the present invention, equivalent replacement etc., should be included in guarantor of the invention Within the scope of shield.In addition, the orientation such as alleged left side, right side, front end, rear end, upside, downside are only with respect to this in present specification For the expression of patent application specification attached drawing is convenient for statement, it is not construed as limiting the invention.

Claims

1. a kind of mechanical linkage theftproof lock, including lock shell (1), unlocking driving lever component (5), main tongue component (3), labella component (4) it is located in lock shell (1) with lock core component (8), the lock core component (8), the main tongue component (3) includes main lock tongue (32), main lock tongue column (33) and the main lock tongue positioning seat (31) for positioning main lock tongue (32), the main lock tongue positioning seat (31) It is located in lock shell (1), and is located at below lock core component (8), main lock tongue (32) passes through main lock tongue positioning seat (31), and main lock The front end of tongue (32) can be extended out on the outside of lock shell (1), and the main lock tongue column (33) is vertically connected on main lock tongue (32) rear end；Institute State unlocking driving lever component (5) include shift lever axis (55), driving lever axle sleeve (54), interior driving lever handle (51), outer driving lever handle (52) and Lock tongue driving lever (56), driving lever axle sleeve (54) are located in lock shell (1) and are located at below main lock tongue (32), the shift lever axis (55) It is located in driving lever axle sleeve (54), and shift lever axis (55) both ends each extend over out on the outside of lock shell (1), the interior driving lever handle (51) be located at lock shell (1) on rear side of and it is vertical with shift lever axis (55) connect, outer driving lever handle (52) be located at lock shell (1) front side simultaneously Vertical with shift lever axis (55) to connect, the lock tongue driving lever (56) is connected in the middle part of shift lever axis (55), and lock tongue driving lever (56) is to master Side where tongue component (3) extends and is against main lock tongue column (33) left side edge pulls when lock core component (8) is in the unlocked state Interior driving lever handle (51) or outer driving lever handle (52) can drive main lock tongue column (33) by lock tongue driving lever (56) and drive main lock Tongue (32) is to lock shell (1) contract；It is characterized by: main lock tongue column (33) is also connected with limit by lock core component (8) side Plate (331), limit plate (331) upper surface are equipped with limited post (332)；It is connected on the driver plate (81) of the lock core component (8) Have clamping block (83), be connected between clamping block (83) and main lock tongue positioning seat (31) returning pull-spring (82), clamping block (83) exists Limited post (332) right side edge is against under the action of returning pull-spring (82)；The labella component (4) include upper lock tongue (42), under Lock tongue (47), top sheave (44), lower sheave (45), wirerope I (43) and wirerope II (46), the upper lock tongue (42) pass through upper Lock tongue positioning seat (41) is located in lock shell (1), and the front end of upper lock tongue (42) can be extended out the outer of lock shell (1) upper end Side, the lower lock tongue (47) is located in lock shell (1) by lower lock tongue positioning seat (48), and the front end of lower lock tongue (47) can prolong The outside of lock shell (1) lower end is stretched out, the top sheave (44) is located in the upper end of main lock tongue positioning seat (31), lower sheave (45) It is located in the lower end of main lock tongue positioning seat (31), wirerope I (43) one end is connect with upper lock tongue (42), and the other end bypasses top sheave (44) it is connect on the outside of and with the rear end of main lock tongue (32), wirerope II (46) one end is connect with lower lock tongue (47), and the other end bypasses Simultaneously connect with the rear end of main lock tongue (32) on the outside of lower sheave (45), when main lock tongue (32) is to lock shell (1) contract, drive steel Cord I (43) and wirerope II (46) move backward, by wirerope I (43) and wirerope II (46) make upper lock tongue (42) and under Lock tongue (47) is simultaneously to lock shell (1) contract.

2. mechanical linkage theftproof lock as described in claim 1, which is characterized in that the main lock tongue (32) includes main lingual bar (323), main latch bolt (321) and return spring I (322), the main lingual bar (323) pass through main lock tongue positioning seat (31), main latch bolt (321) it is connected to main lingual bar (323) front end and can be extended out on the outside of lock shell (1), the return spring I (322) covers in main tongue On the outside of bar (323) and return spring I (322) one end is against main latch bolt (321) rear end face, and the other end is against main lock tongue positioning seat (31) on；The upper lock tongue (42) includes upper lingual bar (423), upper latch bolt (421) and return spring II (422), the upper lingual bar (423) upper lock tongue positioning seat (41) are passed through, upper latch bolt (421) is connected to lingual bar (423) front end and can be extended out lock shell (1) The outside of upper end, the return spring II (422) covers on the outside of upper lingual bar (423) and return spring II (422) one end is against Latch bolt (421) rear end face, the other end are against on upper lock tongue positioning seat (41)；The lower lock tongue (47) include lower lingual bar (473), under Latch bolt (471) and return spring III (472), the lower lingual bar (473) pass through lower lock tongue positioning seat (48), and lower latch bolt (471) is even The outside of lock shell (1) lower end is connect in lower lingual bar (473) front end and can be extended out, the return spring III (472) covers in sublingua On the outside of bar (473) and return spring III (472) one end is against lower latch bolt (471) rear end face, and the other end is against lower lock tongue positioning seat (48) on.

3. mechanical linkage theftproof lock as claimed in claim 2, which is characterized in that the main lingual bar (323) of the main lock tongue (32) It is equipped with main lock tongue column location hole (3231) by the position of rear end, main lock tongue column (33) lower end passes through main lock tongue column location hole (3231), and main lock tongue column (33) can move up and down in main lock tongue column location hole (3231)；Lock shell (1) trailing flank and main lock The corresponding position of tongue column (33) offers guiding elongated slot (12), and main lock tongue column (33) upper end passes through guiding elongated slot (12) and extends On the outside of lock shell (1)；Lock shell (1) leading flank position corresponding with main lock tongue column (33) is equipped with for pushing main lock tongue column (33) Dead bolt component (6).

4. mechanical linkage theftproof lock as claimed in claim 3, which is characterized in that the dead bolt component (6) includes positioning (61), bolt (62) and latch spring (64) are covered, lock shell (1) leading flank position corresponding with main lock tongue column (33) is provided with for inserting The front end of the fastening hole that pin (62) passes through, the bolt (62) passes through fastening hole and extends in lock shell (1), position Periphery protrusion in the middle part of bolt (62) on the outside of lock shell (1) is equipped with step (63), and the latch spring (64) covers On the outside of bolt (62), and latch spring (64) one end is against on step (63), and the other end is against on lock shell (1) leading flank；Institute It states positioning sleeve (61) to be axially arranged with the spring eye (611) being mutually communicated and pass through hole (612), the diameter for passing through hole (612) is less than The diameter of spring eye (611), positioning sleeve (61) are covered on the outside of bolt (62) and are connect with lock shell (1) leading flank, the step (63) bolt (62) on rear side of passes through hole (612) and extends on the outside of positioning sleeve (62), before step (63) and step (63) The bolt (62) of side is located in spring eye (611).

5. mechanical linkage theftproof lock as claimed in claim 3, which is characterized in that prolong forward main lingual bar (323) rear end The self-locking spring hole I (3232) for being equipped with and connecting with main lock tongue column location hole (3231) is stretched, main tongue is leaned in self-locking spring hole I (3231) The position of bar (323) rear end is equipped with internal screw thread, there is also positioned in the self-locking spring hole I (3232) from lock set I (35), main lock Tongue column (33) be equipped with from the corresponding self-locking hole I (331) of lock set I (35) and self-locking hole II (332)；It is described from lock set I It (35) include self-locking spring I (352), self-locking steel ball I (353) and end socket screw I (351), end socket screw I (351) passes through interior spiral shell Line is connected to self-locking spring hole I (3232) rear end, to self-locking spring I (352) and self-locking steel ball I (353) are located in self-locking In spring eye I (3232), and self-locking steel ball I (353) is pressed on the self-locking hole I of main lock tongue column (33) by self-locking spring I (352) (331) or in self-locking hole II (332).

6. mechanical linkage theftproof lock as claimed in claim 3, which is characterized in that be connected with limit on the main lock tongue column (33) Device (34), main lock tongue positioning seat (31) are equipped with the locking device (7) for locking limiting device (34)；The limiting device It (34) include mounting base (341), gag lever post (343), spring (345) and end plate (344), mounting base (341) is connected to main lock tongue In the middle part of column (33), mounting base (341) is equipped with accommodating chamber (342), and gag lever post (343) front end is the limit downwards and to turn forward Position latch bolt (347), gag lever post (343) are equipped with positive stop lug boss (346) by limiting the position of latch bolt (347), gag lever post (343) activity It is located in accommodating chamber (342), and limits latch bolt (347) towards side where locking device (7), the end plate (344) is connected to Accommodating chamber (342) rear end far from limit latch bolt (347) side, gag lever post (343) rear end pass through end plate (344), the spring (345) it covers on the outside of the gag lever post (343) between positive stop lug boss (346) and end plate (344), and spring (345) one end is against limit On position boss (346), the other end is against on end plate (344), and the limit latch bolt (347) of gag lever post (343) front end is in spring (345) Under the action of extend on the outside of mounting base (341)；The locking device (7) includes locating rack (72), locking shaft (71) and locks Fixed pole (73), locating rack (72) are located on main lock tongue positioning seat (31), and the locating rack (72) is gantry structure, locating rack (72) middle part is equipped with the cavity (75) through its front and back sides, and locating rack (72) upper surface is extended downwardly equipped with shaft location hole, Locking shaft (71) is located in shaft location hole and the front end of locking shaft (71) extends in cavity (75), the locking level (73) front end is downward and sweptback locking latch bolt (731), locking level (73) upper surface with lock shaft (71) before End connection, locking shaft (71) rear end are connected with handle (74)；Make locking level by handle (74) spin locking shaft (71) (73) the locking latch bolt (731) of front end is against below gag lever post (343), and main lock tongue column (33) cannot move down at this time, main lock Tongue column (33) is in the lock state, and when unlock, is made to lock shaft (71) by handle (74) and is rotated by 90 °, locking level (73) front end Locking latch bolt (731) far from gag lever post (343), main lock tongue column (33) can move down at this time.

7. mechanical linkage theftproof lock as claimed in claim 6, which is characterized in that locating rack (72) side is equipped with and shaft The self-locking spring hole II (721) that location hole connects, self-locking spring hole II (721) are equipped with interior spiral shell far from the rear end of shaft location hole Line, self-locking spring hole II (721) is interior to be located locking shaft (71) circle being located in shaft location hole from lock set II (76) All outsides be equipped with from the corresponding limiting groove (711) of lock set II (76), it is described from lock set II (76) include self-locking spring II (762), self-locking steel ball II (763) and end socket screw II (761), end socket screw II (761) are connected to self-locking by internal screw thread Spring eye II (721) rear end, so that self-locking spring II (762) and self-locking steel ball II (763) are located in self-locking spring hole II (721) in, and self-locking steel ball II (763) is pressed on the limiting groove (711) of locking shaft (71) by self-locking spring II (762) In.

8. mechanical linkage theftproof lock as claimed in claim 6, which is characterized in that be equipped on rear side of the lock shell (1) for locking Determine the handle position-limited rack (77) of handle (74), handle position-limited rack (77) includes vertical plate (771) and transverse slat (772), and vertical plate (771) is even It connects on lock shell (1) trailing flank, transverse slat (772) is vertically connected on vertical plate (771) upper end, and transverse slat (772) is equipped with limit hole With spacer pin (773)；When main lock tongue column (33) is in the lock state, handle (74) is located at below transverse slat (772), spacer pin (773) it passes through limit hole and extends on the outside of handle (74), so that handle (74) limit below transverse slat (772), is made main lock Tongue column (33) keeps lock state.

9. mechanical linkage theftproof lock as described in claim 1, which is characterized in that the outer driving lever handle (52) be located at lock housing It is connected with transiting rod (53) between shift lever axis (55) on front side of body (1) by connecting bolt (531), the transiting rod (53) is axial It is equipped with connecting hole (532), connection bolt (531) passes through connecting hole (532) and extends transiting rod (53) front end, extends The connection bolt (531) for crossing bar (53) front end is connect with shift lever axis (55) end, is located at lock so that transiting rod (53) is connected to Shift lever axis (55) end on front side of shell (1), outer driving lever handle (52) are vertically connected on transiting rod (53) rear end, pull outer driving lever Handle (52) can drive shift lever axis (55) rotation by transiting rod (53).

10. mechanical linkage theftproof lock as described in claim 1, which is characterized in that lock shell (1) trailing flank and upper lock tongue (42) it is respectively equipped with peep hole (11) with the corresponding position of lower lock tongue (47), is connected with baffle on the outside of peep hole (11).