CN206352428U - The latch mechanism that a kind of anti-technology is opened - Google Patents

Abstract

The utility model discloses the latch mechanism that a kind of anti-technology is opened, main control axle is rotated a certain angle by driving lever first during work, whether identification axle is directed at through identification axis hole after the bellmouth in identifying device according to the identification post of identification locking plate bottom pyramidal, if to determine whether main control axle continues rotation --- main control axle continues to rotate, and operating member operation dead bolt pull bar packs up dead bolt the purpose for reaching enabling；If main control axle does not rotate, driving lever does not interact with dead bolt pull bar and is unable to reach the purpose of enabling.Recognize the thickness very little of neck, prevent technology unlocking instrument from stretching into identification card slot, due to being connected between handle connecting rod and Internal handle by the connecting rod that links, when link connecting rod on linkage block not with irregularly-shaped hole is matched on handle connecting rod when, unlocking action can not also be completed by interior is stretched into from crack between a door and its frame even with aid (such as the hard sheet of bending) stirring Internal handle, whole mechanism is simple, convenient, and theftproof performance is reliable, and sound is small when switch lock.

Description

The latch mechanism that a kind of anti-technology is opened

Technical field

The utility model is related to lockset apparatus field, and in particular to the latch mechanism that a kind of anti-technology is opened.

Background technology

Nowadays, mechanical lock is used widely as a device of antitheft security, and theftproof performance is also being stepped up, Multiple rows of spring lock, cross lock, blade lock such as are locked into from single-row billiard, the common feature of these locks is to open reliable, but is not had also There is the robbed or burgled problem solved caused by technology is opened.The defect of these locks is lock core structure and unlocking mode：Key is inserted Enter keyhole, unlocked, concentrated on the key the control function of releasing lock core and with unlocking action with key rotary locking cylinder, this There is deadly defect in the mode of kind：One is that keyhole is big, and otherwise key can not carry the intensity needed for unlocking；Two be key insertion lock The mode that core rotation is unlocked.These are opened pirate to technology and provide opportunity.As the intellectuality such as Fingerprint Lock, electronic lock is locked Appearance, the performance that the anti-technology of lock is opened is improved, but is susceptible to interference the drawbacks of these intellectuality locks and goes out Existing failure, or because of the failure of other reasons, cause to unlock.In order to guard against failure, it is ensured that lock can be opened, and mechanical lock has been filled again As standby, the parallel combined lock of " smart lock+mechanical lock " is formd, that is, opens any one in combination lock, just can unlock. But because the performance that the anti-technology of existing mechanical lock is opened is less than smart lock, the integrated anti-theft performance of this combination lock finally depends on In the theftproof performance of mechanical lock, the problem of non-law technology is opened still does not solve.And have also appeared now a kind of by auxiliary Instrument (the hard identification card of such as bending) stretches into interior from crack between a door and its frame, and Internal handle 208 is then stirred from top to bottom to reach The purpose opened the door from inside.

Chinese patent CN104074399A discloses the tapered end that a kind of anti-technology is opened, and utilizes lock core marble and lock core body bullet Radial direction (relative to lock core for radially) movement of son is controlled, so as to avoid people to be opened by hook lock instrument well Lock, hit rifle tooth butt method unlock, software article pressing method unlock, skeleton key method unlock etc. skilled unlocking method open Open；And the top of the newel post at lock core marble card holder two ends is pointed, lock core controls the end of the projection on pellet to be pointed, lock The top of the newel post at core body pellet card holder two ends is pointed for the end of the projection on pointed, lock core body control pellet, further carries The high precision unlocked so that pass through the extremely difficult degree of skilled unlocking difficult；In addition the card on lock core body pellet and lock core marble Groove is engaged with lock core marble control device and lock core body pellet control device respectively so that technology unlocking can be fallen into " permanent " Locked trap, further increases the difficulty of technology unlocking.

It is due to the reason for keyhole is present although above-mentioned tapered end can be greatly enhanced the security of lock, illegal point Sub- total energy is attempted to hook movable lock core to reach the purpose of unlocking using the instrument of various repackings, and occurs in that one kind in recent years It is not the method by external opening door lock --- the hard plate of bending is inserted from crack between a door and its frame, is then inserted in using the hole on plate Internal handle, is then realized from inside opening door lock by stirring Internal handle.

Utility model content

Easily held in order to which the keyhole for solving above-mentioned existing various locks is excessive by various auxiliary unlocking tool insertions, door lock The problems such as easily being opened by Internal handle, the utility model provides the latch mechanism that a kind of anti-technology is opened, and concrete scheme is as follows：

The latch mechanism that a kind of anti-technology is opened, including lock body, it is characterised in that：The lock body includes being arranged on plate Main control axle, the handle connecting rod being arranged on plate and the tongue raker being arranged on plate, the tongue raker passes through the first bolt Hole is connected on plate, and the tongue raker can be rotated using first bolt hole as pivot；The main control axle Two ends be respectively equipped with cam pack and identification part, the cam pack include the control wheel being set on main control axle and It is set in external-open cam and Nei Kai cams in control wheel；Opened in described and step is formed on cam, the main control axle and institute It is to be fixedly connected to state control wheel, and spring is provided between the control wheel and the external-open cam, and the two ends of the spring are solid respectively Due in the control wheel and the external-open cam, described interior step one end opened on cam is located at the control with the spring Fixed position correspondence on wheel；One end of the handle connecting rod be connected with external-open handle, the handle connecting rod be socketed with it is described Projection is stirred outside being formed on the corresponding external-open driving lever of external-open cam position, the external-open driving lever；The upper end of the tongue raker is set There is horizontally disposed dead bolt pull bar, the dead bolt pull bar can be abutted against with the interior step other end opened on cam, described The one end of dead bolt pull bar away from tongue raker is connected with dead bolt by the second bolt hole, and the dead bolt pull bar can be with second spiral shell Keyhole rotates for pivot, the dead bolt pull bar be provided with it is described it is outer stir it is raised be engaged first it is raised and With the groove being engaged at the top of the tongue raker；The plate is provided with and abutted with the bottom of tongue raker and horizontally disposed triggering Tongue, the dead bolt can slide in the horizontal direction with the triggering tongue；

The identification part includes housing, the identification axle being arranged in housing, some identification locking plates being staggered, locking plate and driven Moving axis and identifying device, the identification locking plate are provided with the identification axis hole passed through for the identification axle and are connected with identification axis hole Lead to and relative to identification symmetrically arranged first hole slot in the axis hole center of circle and the second hole slot；First hole slot and second hole slot Thickness of the width not less than the identification axle, the width of first hole slot and second hole slot is not more than the identification axle Diameter；The identification part also includes recognition unit, and the recognition unit coordinates the locking plate drive shaft to make the identification Locking plate is moved in vertical direction, so as to coaxially enable identification axle with the identification axle by the identification axis hole on all identification locking plates Enough normal rotations；The identification axle is fixedly connected with the main control axle, and the identification axle covers with the main control shaft connection place Provided with dish axle, open up jagged in the dish axle outer rim, the position of breach in the locking plate drive shaft correspondence dish axle outer rim Form convex pin；The identification locking plate is offered close to the side of the locking plate drive shaft to be covered in allocating slot, the locking plate drive shaft Provided with pusher dog spring, one end of the pusher dog spring is fixed in the locking plate drive shaft, and the other end of the pusher dog spring is arranged at institute State in allocating slot.

Further, the recognition unit includes the identification post for being located at each identification locking plate bottom, and positioned at identifying device Identification through hole upper and corresponding with each identification post position.

Further, the identifying device includes the upper identification plate and lower identification plate fit together, the upper identification plate Identification card slot is offered with the joint face of the lower identification plate, it is preferable that the height of the identification neck is not more than 0.3mm.

Further, the identification part 1 also includes opening up on the identification card matched with the identifying device, the identification card There are some sizes different and the corresponding card through hole of the identification lead to the hole site, the size of the card through hole is less than the identification The size of through hole.

Further, the dead bolt pull bar provided with dead bolt eject spring, the triggering tongue provided with triggering tongue ejection spring and Tongue button spring is triggered, the operative orientation of the triggering tongue ejection spring is identical with triggering tongue operative orientation, and the triggering tongue button spring is with touching Send out tongue operative orientation vertical.

Further, Internal handle connecting rod is also associated with the handle connecting rod, the free end of the Internal handle connecting rod is provided with Be arranged with Internal handle, the Internal handle connecting rod on handle axle, the handle axle be arranged with it is corresponding with the external-open driving lever Inside open to form on driving lever, the dead bolt pull bar and raised the second projection being engaged is stirred on driving lever with interior open, it is described to hold Hand axle opens back-moving spring provided with interior.

Further, one end provided with inner handle Internal handle connecting rod offers the first axial irregularly-shaped hole, described interior On hand provided with linkage connecting rod, the linkage connecting rod passes through first irregularly-shaped hole, forms on the linkage connecting rod and described the The corresponding linkage block of one abnormity hole shape, the linkage connecting rod is externally provided with linkage back-moving spring, and the linkage connecting rod is located at described Button is driven in being shaped in inner handle one end.

Further, the one end for being arranged with the main control axle of cam pack is provided with connecting rod, and the free end of the connecting rod is opened up There is the second axial irregularly-shaped hole, second irregularly-shaped hole, which is externally provided with, locks bar, the bar of locking is provided with and the described second abnormity Hole shape is corresponding to lock block, and described lock is shaped to lock button outside the bar stretching plate.

Further, the top of the triggering tongue is shaped to hook arrangement, for hooking triggering tongue in doorframe after enabling, When at closing time, doorframe is promoted in triggering tongue, triggering gyrus lingulais bullet income plate.

Further, slit, the position correspondence identification dress of the slit are further opened with the housing of the identification part The identification card slot put, guiding identification card is smoothly inserted into identification card slot.

The beneficial effects of the utility model are：The utility model proposes a kind of latch mechanism opened of anti-technology, work When main control axle rotated a certain angle first by driving lever, according to identification locking plate bottom pyramidal identification post pass through identifying device On through hole whether matched with the hole on identification card, to determine that can identification axis hole be directed at identification axle, and then determine main control axle If whether continuation rotates --- main control axle continues to rotate, and operating member operation dead bolt pull bar packs up dead bolt in the mesh for reaching enabling 's；If main control axle does not rotate, with dead bolt pull bar the purpose that interaction is unable to reach enabling can not occur for driving lever.One side Using the identification card slot opened up in identifying device, and entirely, unlocking process identification card need not carry rotation load for face identification The equal very little of thickness of lotus, identification card and identification neck, prevents that technology unlocking instrument from stretching into identification card slot, and allow to Put in also without operating space；On the other hand due to being connected between handle connecting rod and Internal handle by the connecting rod that links, linkage is worked as Linkage block on connecting rod not with when irregularly-shaped hole is matched on handle connecting rod, Internal handle can only dally, even with aid (for example The hard identification card of bending) interior is stretched into from crack between a door and its frame stir Internal handle and can not also complete unlocking action, whole mechanism operation letter Singly, conveniently, theftproof performance is reliable；Further, since being connected between all parts that dead bolt and triggering tongue are functioned by spring Connect, directly contact does not occur, very big sound will not occur during switch lock.

Brief description of the drawings

The structural perspective for the latch mechanism that the anti-technology of Fig. 1 the utility model embodiment 1 is opened,

The structural front view for the latch mechanism that the anti-technology of Fig. 2 the utility model embodiment 1 is opened,

The structural representation of the tongue raker of Fig. 3 the utility model embodiment 1,

The main control axle construction schematic diagram of Fig. 4 the utility model embodiment 1,

The structural representation of the external-open driving lever of Fig. 5 the utility model embodiment 1,

The dead bolt drawbar structure diagram of Fig. 6 the utility model embodiment 1,

The structural representation of the identification part of Fig. 7 the utility model embodiment 1,

Fig. 8 the utility model embodiment 1 recognizes the structural representation of axle,

Fig. 9 the utility model embodiment 1 recognizes the structural representation of locking plate,

The structural representation of the identifying device of Figure 10 the utility model embodiment 1,

The structural representation of the locking plate drive shaft of Figure 11 the utility model embodiment 1,

The structural representation for the latch mechanism that the anti-technology of Figure 12 the utility model embodiment 2 is opened,

The structural representation for the latch mechanism that the anti-technology of Figure 13 the utility model embodiment 3 is opened.

Figure number and title：1st, identification part, 101, identification locking plate, 1011, identification axis hole, the 1012, first hole slot, 1013rd, the second hole slot, 1014, identification post, 1015, allocating slot, 102, identifying device, 1021, upper identification plate, 1022, lower identification plate, 103rd, locking plate drive shaft, 104, identification card, 201, external-open handle, 202, tongue raker, 203, triggering tongue, 204, external-open driving lever, 205th, dead bolt, 206, dead bolt pull bar, 207, handle connecting rod, 208, Internal handle, 209, lock bar, 210, it is interior drive button, 211, main Control shaft, 212, external-open cam, 213, it is interior open cam, 214, dish axle, 215, identification axle, 216, it is interior drive driving lever, 217, control wheel.

Embodiment

To describe technology contents, construction feature, institute's reached purpose and effect of the utility model in detail, reality is hereby enumerated below Apply example and coordinate accompanying drawing to be explained in detail.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality The limitation of novel protected scope.

Embodiment 1

Refer to shown in Fig. 1-11, the utility model provides the latch mechanism that a kind of anti-technology is opened, including lock body, and lock is originally Body includes the main control axle 211 being arranged on plate, the handle connecting rod 207 being arranged on plate and the tongue raker being arranged on plate 202, tongue raker 202 is connected on plate by the first bolt hole 2021, and tongue raker 202 can be rotation with the first bolt hole 2021 Center rotates；The two ends of main control axle 211 are respectively equipped with cam pack and identification part 1, and cam pack includes being set in Control wheel 217 on main control axle 211 and the external-open cam 212 and Nei Kai cams 213 being set in control wheel 217；Inside open Step is formed on cam 213, main control axle 211 is to be fixedly connected with control wheel 217, control wheel 217 and external-open cam 212 it Between be provided with spring, the two ends of spring are individually fixed in control wheel 217 with external-open cam 212, inside opening the step one on cam 213 It is corresponding that end is located at fixed position in control wheel 217 with spring；One end of handle connecting rod 207 is connected with external-open handle 201, and handle connects It is socketed with bar 207 on external-open driving lever 204 corresponding with the position of external-open cam 212, external-open driving lever 204 outside forming and stirs projection 2041；The upper end of tongue raker 202 is provided with horizontally disposed dead bolt pull bar 206, and dead bolt pull bar can be opened on cam 213 with interior The step other end is abutted against, and the one end of dead bolt pull bar 206 away from tongue raker 202 is connected with dead bolt by the second bolt hole 2063 205, dead bolt pull bar 206 can be rotated with the second bolt hole 2063 for pivot, dead bolt pull bar 206 be provided with it is outer Stir the first projection 2061 that projection 2041 is engaged and the groove 2062 being engaged with the top of tongue raker 202；Plate be provided with The bottom of tongue raker 202 is abutted and horizontally disposed triggering tongue 203, and dead bolt 205 can be slided in the horizontal direction with triggering tongue 203 Move；Dead bolt pull bar 206 ejects spring provided with dead bolt, and triggering tongue 203 triggers tongue provided with triggering tongue ejection spring and triggering tongue button spring The operative orientation for ejecting spring is identical with the triggering operative orientation of tongue 203, and triggering tongue button spring is vertical with the triggering operative orientation of tongue 203.

Identification part 1 includes housing, the identification axle 215 being arranged in housing, some identification locking plates 101 being staggered, lock Piece drive shaft 103 and identifying device 102, identifying device 102 include the upper identification plate 1021 and lower identification plate fit together 1022, upper identification plate 1021 and the lower joint face for recognizing plate 1022 offer identification card slot, and the height of identification neck is 0.3mm.Identification locking plate 101 be provided with for the identification axis hole 1011 that passes through of identification axle 215 and be connected with identification axis hole 1011 and Relative to the identification symmetrically arranged hole slot 1013 of first hole slot 1012 and second in the center of circle of axis hole 1011；First hole slot 1012 and second The width of hole slot 1013 is not less than the thickness of identification axle 215, and the width of the first hole slot 1012 and the second hole slot 1013 is not more than knowledge The diameter of other axle 215；Identification part 1 also includes recognition unit, and recognition unit includes being located at the identification of each identification locking plate 101 bottom Post 1014 and in identifying device and identification through hole corresponding with each identification post position, recognition unit coordinates the locking plate to drive Moving axis 103 can be such that identification lock piece 101 is moved in vertical direction, so as to pass through the identification axis hole on all identification locking plates 101 1011 enable the normal rotation of identification axle 215 with recognizing that axle 215 is coaxial；Identification axle 215 is fixedly connected with main control axle 211, is known Other axle 215 is arranged with dish axle 214, the outer rim of dish axle 214 with the junction of main control axle 211 and opens up jagged, locking plate drive shaft 103 The position of breach forms convex pin 1031 in the correspondence outer rim of dish axle 214；Recognize locking plate 101 close to locking plate drive shaft 103 Side offers and pusher dog spring is arranged with allocating slot 1015, locking plate drive shaft 103, and locking plate drive shaft is fixed in one end of pusher dog spring On 103, the other end of pusher dog spring is arranged in allocating slot 1015.Identification part 1 also includes the identification card matched with identifying device 102 104, the different card through holes corresponding with recognizing lead to the hole site of some sizes, the size of card through hole are offered on identification card 104 Less than the size of identification through hole.

Internal handle connecting rod is also associated with handle connecting rod 207, the free end of Internal handle connecting rod is provided with Internal handle 208, interior It is arranged with to be arranged with corresponding with external-open driving lever 204 on handle axle, handle axle on hand connecting rod and drives driving lever 216, dead bolt pull bar Formed on 206 and raised the second projection 2064 being engaged is stirred on driving lever 216 with interior open, handle axle opens reset bullet provided with interior Spring.

Embodiment 2

Refer to shown in Figure 12, the one end for being arranged with the main control axle 211 of cam pack is provided with connecting rod, the free end of connecting rod The second axial irregularly-shaped hole is offered, the second irregularly-shaped hole, which is externally provided with, locks bar 209, lock bar 209 and be provided with and the second irregularly-shaped hole Shape is corresponding to lock block, lock bar 209 stretch out plate outside be shaped to lock button, when lock bar 209 slide into lock block with it is different When shape hole is matched, locking bar can not be rotated, and then drive main control axle 211 not rotate, and now no matter identification part is recognized As a result how, can not all complete unlock.

Embodiment 3

Refer to shown in Figure 13, one end of the Internal handle connecting rod provided with Internal handle 208 offers the first axial irregularly-shaped hole, Internal handle 208 is provided with linkage connecting rod, and linkage connecting rod is passed through to be formed and the first irregularly-shaped hole shape on the first irregularly-shaped hole, linkage connecting rod The corresponding linkage block of shape, linkage connecting rod is externally provided with linkage back-moving spring, and one end that linkage connecting rod is located at the Internal handle 208 is molded Button 210 is driven to be interior, and the button is without departing from Internal handle, can only could be completed thumb according to interior button 210 of opening by people Door opening action.In the case of so driving button 210 in not pressing, even if it is (such as with holes to stretch into auxiliary implement from crack between a door and its frame The rigid plastic sheet of bending), also it can not complete door opening action by stirring Internal handle from top to bottom.

The step of outer unlocking, is as follows：

Identification card is inserted in housing in the identification card slot of identifying device 102, external-open handle 201 is rotated, passes through handle Connecting rod 207, external-open driving lever 204, external-open cam 212, buffer spring, main control axle 211, dish axle 214, locking plate drive shaft 103, pusher dog The effect successively of spring, then pusher dog spring the conical section of locking plate end is recognized through identification through hole and entering by stirring allocating slot In the hole of card, stop to being limited by aperture；

Now：

If the center of circle of the identification axis hole 1011 on the identification card matching of insertion, identification locking plate 101 and identification axle 215 The section center of circle is in overlapping positions, now recognizes that axle 215 is free to rotate, external-open cam 212 is rotated further, and passes through buffer spring band Dynamic main control axle 211 is rotated, main control axle 211 drive in open cam 213, the boss for inside opening cam 213 is downward dead bolt pull bar After projection on promotion certain distance, external-open driving lever 204 is engaged with the projection on dead bolt pull bar 206, external-open driving lever 204 is connection The dead bolt 205 of dead bolt pull bar 206 is reversed in door, and is caught on and be maintained in lock body by the top of tongue raker 202, while main control axle Return spring is opened cam 213, control shaft and external-open cam 212 in and resetted；Now outer driving lever spring is transferred to triggering tongue 203 outdoors, The hook for triggering the end of tongue 203 is stuck on door-plate, completes to unlock；Trigger tongue 203 at closing time until next and triggered by doorframe, receipts In bride visits her parents with her husband for the first time after the wedding, tongue raker 202 releases the limitation to dead bolt pull bar 206, and dead bolt 205 is ejected locks again.

If the identification card of insertion is mismatched, the conical section of identification locking plate 101 touches stopping behind the hole of identification card Stop bit is put, it is impossible to is made the center superposition of the center identification axle 215 of the identification axis hole 1011 of identification locking plate 101, is now recognized axle 215 Axle can not be rotated freely, when external-open cam 212 is rotated further, and dish axle 214 is hindered by lock shaft, it is impossible to be rotated further, master control Axle 211 processed can not be rotated, and can not drive external-open cam 212, and dead bolt pull bar 206 can not be pushed to external-open driving lever 204, external-open Projection and the raised releasing of dead bolt pull bar 206 on driving lever 204, the dead bolt 205 of connection dead bolt pull bar 206 cannot be also reversed In lock body, it is impossible to complete to unlock.

The step of drawback lock, is as follows：

First interior button 210 of opening is pressed inward against, make that the linkage block on linkage connecting rod is inserted on Internal handle connecting rod first In irregularly-shaped hole, then rotate Internal handle 208, by the connecting rod that links, Internal handle connecting rod, it is interior open driving lever 207, it is interior open cam 213 according to Secondary effect, using it is interior open cam 213 dead bolt pull bar 206 press in drive driving lever 207, inside open projection and dead bolt on driving lever 207 After the raised occlusion of pull bar 206, the dead bolt 205 of connection dead bolt pull bar 206 is reversed in lock body, and is caught on by tongue and is maintained at door It is interior, meanwhile, outer driving lever spring is transferred to triggering tongue 203 to hook outside lock body and is stuck in fixed plate, completes to unlock.Lock is promoted when locking button When in vivo, it can be locked, now main control axle 211 can not be rotated by locked, even if now using identification card, also can not be from outer Unlock.

In summary, the only preferred embodiment of the utility model, does not limit protection domain of the present utility model with this, all The equivalent changes and modifications made according to the utility model the scope of the claims and description, is all that the utility model patent covers Within the scope of.

Claims (10)

1. the latch mechanism that a kind of anti-technology is opened, including lock body, it is characterised in that：The lock body includes being arranged on plate Main control axle (211), the handle connecting rod (207) being arranged on plate and the tongue raker (202) being arranged on plate, the tongue raker (202) it is connected to by the first bolt hole (2021) on plate, the tongue raker (202) can be with first bolt hole (2021) Rotated for pivot；The two ends of the main control axle (211) are respectively equipped with cam pack and identification part (1), described The external-open that cam pack includes the control wheel (217) being set on main control axle (211) and is set in control wheel (217) is convex Wheel (212) and interior open cam (213)；Open step formed on cam (213) in described, the main control axle (211) with it is described Control wheel (217) is to be fixedly connected, and spring, the spring are provided between the control wheel (217) and the external-open cam (212) Two ends be individually fixed on the control wheel (217) and the external-open cam (212), it is described in open platform on cam (213) It is corresponding that rank one end is located at fixed position in the control wheel (217) with the spring；One end connection of the handle connecting rod (207) Have and external-open corresponding with external-open cam (212) position group is socketed with external-open handle (201), the handle connecting rod (207) Outer stir raised (2041) is formed on bar (204), the external-open driving lever (204)；The upper end of the tongue raker (202) is provided with water The dead bolt pull bar (206) that plain cloth is put, the dead bolt pull bar interior can open the step other end on cam (213) and offset with described Connect, the one end of the dead bolt pull bar (206) away from tongue raker (202) is connected with dead bolt (205) by the second bolt hole (2063), The dead bolt pull bar (206) can be rotated with second bolt hole (2063) for pivot, the dead bolt pull bar (206) it is provided with and outer stir first raised (2061) that raised (2041) be engaged with described and pushed up with the tongue raker (202) The groove (2062) that portion is engaged；The plate is provided with and abutted with the bottom of tongue raker (202) and horizontally disposed triggering tongue (203), the dead bolt (205) can slide in the horizontal direction with the triggering tongue (203)；

The identification part (1) includes housing, the identification axle (215) being arranged in housing, some identification locking plates being staggered (101), locking plate drive shaft (103) and identifying device (102), the identification locking plate (101), which is provided with, supplies the identification axle (215) the identification axis hole (1011) that passes through and it is connected with identification axis hole (1011) and relative to identification axis hole (1011) center of circle pair Claim the first hole slot (1012) and the second hole slot (1013) set；First hole slot (1012) and second hole slot (1013) Thickness of the width not less than the identification axle (215), the width of first hole slot (1012) and second hole slot (1013) Degree is not more than the diameter of the identification axle (215)；The identification part (1) also includes recognition unit, and the recognition unit coordinates institute Stating locking plate drive shaft (103) can be such that the identification locking plate (101) is moved in vertical direction, so as to pass through all identification locking plates (101) identification axis hole (1011) on the identification axle (215) is coaxial makes identification axle (215) being capable of normal rotation；It is described to know Other axle (215) is fixedly connected with the main control axle (211), the identification axle (215) and main control axle (211) junction It is arranged with dish axle (214), dish axle (214) outer rim and opens up jagged, locking plate drive shaft (103) correspondence dish axle (214) position of breach forms convex pin (1031) in outer rim；The identification locking plate (101) is close to the locking plate drive shaft (103) side offers and is arranged with pusher dog spring, the one of the pusher dog spring on allocating slot (1015), the locking plate drive shaft (103) End is fixed on the locking plate drive shaft (103), and the other end of the pusher dog spring is arranged in the allocating slot (1015).

2. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The identifying device (102) Including the upper identification plate (1021) fit together and lower identification plate (1022), the upper identification plate (1021) and the lower identification The joint face of plate (1022) offers identification card slot, and the height of the identification neck is not more than 0.3mm.

3. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The recognition unit includes position Identification post (1014) in each identification locking plate (101) bottom, and in identifying device and with each identification post position Corresponding identification through hole.

4. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The identification part (1) is also wrapped Include offered on the identification card (104) matched with the identifying device (102), the identification card (104) some sizes it is different with Described to recognize the corresponding card through hole of lead to the hole site, the size of the card through hole is less than the size of the identification through hole.

5. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The dead bolt pull bar (206) Spring is ejected provided with dead bolt, the triggering tongue (203) is provided with triggering tongue ejection spring and triggering tongue button spring, the triggering tongue ejection The operative orientation of spring is identical with triggering tongue (203) operative orientation, and the triggering tongue button spring hangs down with triggering tongue (203) operative orientation Directly.

6. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The handle connecting rod (207) On be also associated with Internal handle connecting rod, the free end of the Internal handle connecting rod, which is provided with Internal handle (208), the Internal handle connecting rod, to be covered Provided with handle axle, it is arranged with the handle axle in corresponding with the external-open driving lever (204) and drives driving lever (216), the lock Formed on tongue pull bar (206) and raised second raised (2064) being engaged are stirred on driving lever (216) with interior open, it is described to hold Hand axle opens back-moving spring provided with interior.

7. the latch mechanism that a kind of anti-technology according to claim 6 is opened, it is characterised in that：Provided with Internal handle (208) One end of Internal handle connecting rod offers the first axial irregularly-shaped hole, and the Internal handle (208) is provided with linkage connecting rod, the linkage Connecting rod, which is passed through, forms linkage block corresponding with the described first abnormity hole shape on first irregularly-shaped hole, the linkage connecting rod, The linkage connecting rod is externally provided with linkage back-moving spring, and the linkage connecting rod is shaped to interior positioned at one end of the Internal handle (208) Drive button (210).

8. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：It is arranged with the master of cam pack One end of control shaft (211) is provided with connecting rod, and the free end of the connecting rod offers the second axial irregularly-shaped hole, second abnormity Hole, which is externally provided with, locks bar (209), and the bar (209) of locking is provided with the described second abnormity that hole shape is corresponding locks block, institute State to lock and be shaped to lock button outside bar (209) the stretching plate.

9. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The shell of the identification part (1) Slit, the identification card slot of the position correspondence identifying device (102) of the slit are further opened with body.

10. the latch mechanism that a kind of anti-technology according to claim 1 is opened, it is characterised in that：The triggering tongue (203) Top is shaped to hook arrangement.