CN1766266A - Single-hole multi-core anti-theft mechanical cipher lock - Google Patents

Abstract

The invention discloses a burglarproof lock of single-hole multicore cipher system, which comprises the following parts: center lock pin, outer lock pin, lock pin coating body, lock pin marble, marble hole spring, marble hole lid, code indicating dial, lock pin rear cover, lock box, center lock pin unlocking deflector rod, code adjusting disk, code adjusting disk lock peg, restoring spring, code disk, code disk locating seat, lock peg tumbler system, bolt, bolt anchor system, unlocking slice and key. When the key is plugged in the key hole and rotated according to different directions, the user can set the code and open the lock according to the code. Hence, the illegal personnel have difficulty to open the lock when the foreign material plugs in the key hole or the lock pin is broken down or the key is lost.

Description

Single-hole multi-core anti-theft mechanical cipher lock

Technical field

The present invention relates to a kind of cylinder lock of unblanking, also belong to a kind of coded lock, specifically, relate to a kind of single-hole multi-core anti-theft mechanical cipher lock with screw key.

Background technology

Lockset is the most frequently used safe antitheft articles for use, and its kind is in many styles, includes mechanical lock, mechanical cipher lockset, electronic cipher lockset etc.Mechanical lock and mechanical cipher lockset have the advantage of stable and reliable working performance, the electronic cipher lockset then has the advantage that the password complexity is difficult for cracking, but the problem that they exist is, mechanical lock is easy to quilt cover and opens, if lock core is destroyed or key is picked up by the ax-grinder, then lockset just loses its antitheft effect fully; The mechanical cipher lockset is when removing the password success, always be attended by the feature of identification grasp easily such as the trickle sound or the feel variation of application of force size, therefore although password combination may become ten thousand more than one hundred million, the master-hand who unblanks can seek correct password and will lock pirate of the open in the not oversize time; The shortcoming of electronic cipher lockset then is that long-term use is broken down easily, influences the application life of lockset.

Summary of the invention

For solve that existing lockset exists easily by pirate of the open and the imperfect problem of safe antitheft performance, or be out of order and the reliable and stable inadequately problem of service behaviour easily, purpose of the present invention is to provide a kind of safe antitheft performance good and be difficult for by pirate of the open, stable and reliable working performance and not troublesome single-hole multi-core anti-theft mechanical cipher lock.

Solution of the present invention is as follows.It still comprises the center lock core that existing cylinder lock tool has, the lock core sleeve body, lock core marble, pellet shot from a slingshot hole spring, the pellet shot from a slingshot port lid, lock box, dead bolt, the dead bolt lead agency, the interior key that lock is opened of keyhole that the center lock core is unblanked driving lever and can be inserted the center lock core, and the present invention's feature part structurally is, between the endoporus wall of center lock core and lock core sleeve body, be reserved with annular space, in this annular space from the lining outwards successively sliding sleeve have and be the outer lock core that quantity cylindraceous is at least 1, at the center lock core, offer on outer lock core and the lock core sleeve body with axially perpendicular and be considered as the pellet shot from a slingshot hole that interconnects that a row and quantity are at least 1 row, the group number in the pellet shot from a slingshot hole that each group of each row interconnects, be at least center lock core and outer lock core quantity sum, and they were evenly distributed around circle in one week, in the pellet shot from a slingshot hole that each group interconnects like this lock core marble that quantity is at least 3 is housed, simultaneously in each pellet shot from a slingshot hole of lock core sleeve body, pellet shot from a slingshot hole spring and pellet shot from a slingshot port lid are housed also, the keyhole of center lock core is processed with along the group quantity in the pellet shot from a slingshot hole that each group of axial quantity and each row interconnects and equates and arrange respectively and respectively organize the key rach slot that the pellet shot from a slingshot hole is connected with each, be processed with on the key along axial quantity and equate with the quantity of this key rach slot and key tooth bar that can suitable insertion key rach slot, the front end of center lock core stretches out outside the front end face of lock core sleeve body, and fixed cover is provided with a password indicating dial that has indicated the password mark on the front end extension of center lock core, and the lock core sleeve body front end face subscript in password indicating dial periphery is shown with the password cross-line; Be fixed with one on the rear end face of lock core sleeve body with the center lock core, outer lock core and lock core sleeve body carry out the lock core bonnet of axial limiting, lock box is in the rear of lock core bonnet and is connected mutually with the lock core bonnet, center lock core and all outer lock cores all stretch out the perforate on lock core bonnet and the lock box and enter within the lock box, the rearward end of the outer lock core that its medium caliber is less all stretches outside the rear end face of the bigger outer lock core of adjacent bore, the rearward end of center lock core then stretches outside the rear end face of the outer lock core of adjacent bore minimum, the lock core driving lever of unblanking in center just is fixed on the rearward end of center lock core, all be processed with an outer transmission double wedge on the rearward end outer wall of each outer lock core, the periphery of the outer transmission double wedge of each outer lock core is provided with the circular password adjustment disk that is that is nested with respectively on each outer lock core, all be processed with the interior transmission double wedge that can be meshed on the endoporus wall of each password adjustment disk with the outer transmission double wedge on the outer lock core outer wall of place, all be processed with the outer transmission double wedge of a circle on the outer wall of each password adjustment disk, periphery at each password adjustment disk is equipped with the combination disk that is circular respectively, all offer special-shaped lock-bit cotter way on each combination disk, in each special-shaped lock-bit cotter way, be equipped with and in groove, move radially and the inner password adjustment disk pin that is meshed with the outer transmission double wedge of corresponding password adjustment disk, on each password adjustment disk pin the back-moving spring that is positioned at special-shaped lock-bit cotter way is housed, the outer end of each password adjustment disk pin all stretches outside combination disk, is equiped with the pin toggle mechanism that can operate and can contact the portion that stretches of stirring each password adjustment disk pin in the lock box outside in lock box; Be at least the periphery of 1 combination disk in quantity, have quantity and be at least 2 the combination disk positioning seat in the lock box of being fixed on, combination disk is all by these several combination disk positioning seat clampings and all can rotate in the slide groove that they are offered, all offer on each combination disk from the radially inside thin slice of unblanking of periphery and enter narrow slit, the lock core driving lever of unblanking in center can contact and stirs the dead bolt lead agency that is in the lock box, the dead bolt lead agency again be contained in lock box in dead bolt be connected mutually, the front end of dead bolt is in the skidway hole that the lock box side is offered and can be outside skidway hole stretches out lock box, and the rear of dead bolt has one and is contained in the lock box and can drives the thin slice of unblanking that inserts on all combination disk by dead bolt suitablely and enter the thin slice of unblanking in the narrow slit.

When the present invention with said structure uses on being installed to door or cabinet door,, with its password indicating dial one side outside the room or outside the cabinet, and allow lock box be in the room or in the cabinet still as existing lockset.Should allow the user grasp during use, because by design scheme of the present invention, the pellet shot from a slingshot hole that each group of each row interconnects, they were evenly distributed around circle in one week, therefore several key rach slots of the keyhole of center lock core and several key tooth bars on the key also all were evenly distributed around circle in one week, so when just having guaranteed with key insertion keyhole, insert any key rach slot of keyhole with any one key rack alignment of key, other key tooth bar of key also can be aimed at one by one with other key rach slot of keyhole and allow key to inject in the keyhole.This also just makes, when dividing with a key tooth bar of assert on the key several times when different azimuth is aimed at the different several key rach slot of keyhole, just can divide center of rotation lock core and different outer lock cores several times, and, when your purpose is when wanting with a certain outer lock core of key turns, the center lock core that comprises in this outer lock core and other outer lock core are also inevitable to rotate simultaneously.

Before the user uses, to carry out password setting when dispatching from the factory (or configure by manufacturer production) earlier, it is as follows that it sets step: rotate all combination disk with hand, make the thin slice of unblanking on each combination disk enter the thin slice of unblanking that narrow slit is all aimed at the dead bolt rear, promptly be to make combination disk all be in the tram of unblanking, live dead bolt with hand then it is retreated in the lock box, the thin slice of unblanking that drives the dead bolt rear inserts the thin slice of unblanking on all combination disk and enters in the narrow slit and maintain this state; Rotate the pin toggle mechanism then, password adjustment disk pin is radially outwards withdrawed from, all combination disk and password adjustment disk are separated, and maintain this state; Next set the password of a pairing combination disk of outer lock core of outermost earlier, injecting keyhole with key this moment should make outer lock core of outermost rotate, suppose and be the direction of unblanking clockwise, this moment is key counterclockwise, elder generation's three-sixth turn, be rotated further again, (cross-line outside the password figure aligning dish of the hope setting on the password indicating dial at this moment) stops when forwarding the password of wishing setting to, then password adjustment disk pin is set back, promptly recover the annexation of combination disk and password adjustment disk, rotate counterclockwise key again, last pin-point reading when changeing motionless, be the password reading (this reading also may have minute differences with the password number that hope is set) of last setting, last clockwise direction key (rotational angle can not surpass 360 degree) is extracted key out from keyhole.So far, the password setting of a pairing combination disk of outer lock core of outermost is finished.According to above-mentioned steps, can set the password of the pairing combination disk of all outer lock cores successively by order from outside to inside.

The step of unblanking is as follows: inject keyhole with key, its slotting orientation should make outer lock core of outermost rotate counterclockwise (this moment, center lock core and other outer lock core all rotated), rotate 360 degree and be rotated further password setting position to a pairing combination disk of outer lock core of outermost (promptly allow the password figure aligning dish of this setting on the password indicating dial outside cross-line) again, turn round key (do not allow surpass 360 degree) then clockwise and return to original key and insert the position and extract key out, just make this moment an outer lock core of outermost the thin slice of unblanking on the corresponding combination disk enter narrow slit and align mutually with the thin slice of unblanking at dead bolt rear; Next, according to above-mentioned steps, other all outer lock cores according to from outside to inside order, are entered the thin slice of unblanking on their pairing combination disk narrow slit successively and all align mutually with the thin slice of unblanking at dead bolt rear one by one; At last, key is injected keyhole, its slotting orientation should only make the center lock core rotate, clockwise rotate key, drive the driving lever of unblanking that its rear end connect and rotate, the driving lever of unblanking is stirred dead bolt lead agency and dead bolt again, thereby lock is opened, key can be extracted out after unblanking.The operation that shuts is identical with existing lockset, after just will noting locking, several outer lock cores (in fact just with the pairing combination disk of several outer lock cores) to be forwarded to any position with key, the flap position of unblanking that allows the thin slice of unblanking on the combination disk enter narrow slit and next door staggers, thereby makes combination disk play barrier effect to unblank thin slice and dead bolt.

Beneficial effect of the present invention is as follows: 1. the safe antitheft performance is good.Under the situation of or key loss destroyed, because several combination disk are difficult to be turned correct lockset position of coupler simultaneously, so can guarantee not locked by the unauthorized person pirate of the open at lock core; Because the cipher code set resultant of several combination disk is very big, do not knowing under the situation of proper password, want to try to forward several combination disk to unblank tram simultaneously, workload is very big, put in the unique keyhole of center lock core with key or other foreign matter, the probability of pirate of the open lock has only 1/10000000th; Whether combination disk is transferred to the tram of unblanking, and does not have sound, light, electricity, magnetic, power etc. can supply the signal of surveying, the feature that password does not have available instrument to survey; Because must backward rotation extract key out after each combination disk mixes up, change a kind of orientation insertion key again and remove to turn next combination disk or center lock core, and the reading on the password indicating dial of key counter-rotating back has left cross-line and the password indication is disappeared, what key inserted rotation at last when unblanking is the center lock core, so all password readings can be eliminated automatically in the process of unblanking, and can not stay the password vestige to the stranger.2. lock core and combination disk etc. all adopt frame for movement but not electronic structure, so stable and reliable working performance is difficult for breaking down.3. password can be regulated according to user's needs, and it is easy to operate when unblanking to access to your password.

Description of drawings

Fig. 1 and Fig. 2 are respectively elevation and the vertical view of a kind of concrete structure embodiment of lock of the present invention;

Fig. 3 is the A-A sectional view of Fig. 2;

Fig. 4 is the B-B sectional view of Fig. 3;

The C-C sectional view of Fig. 5 when being in unlocking condition in the dead bolt setback lock box among Fig. 4;

Fig. 6 and Fig. 7 are respectively D-D and the E-E sectional view of Fig. 5;

F-F sectional view when Fig. 8 adopts another kind of embodiment and dead bolt to be in unlocking condition for the pin toggle mechanism among Fig. 2 the present invention;

Fig. 9 is the G-G sectional view of Fig. 8;

Figure 10 is the H-H sectional view of Fig. 9;

Figure 11 and Figure 12 are respectively the elevation and the right view of a kind of Key structure that uses of matching with the embodiment that locks among Fig. 1 to Figure 10 of the present invention.

The specific embodiment

Referring to Fig. 1 to Figure 12.The present invention still comprises the center lock core 1 that existing cylinder lock tool has, lock core sleeve body 2, lock core marble 3, pellet shot from a slingshot hole spring 4, pellet shot from a slingshot port lid 5, lock box 6, dead bolt 7, dead bolt lead agency 8, the keyhole 101 interior keys 9 that lock is opened that the center lock core is unblanked driving lever 10 and can be inserted center lock core 1, the present invention's feature part structurally is, between the endoporus wall of center lock core 1 and lock core sleeve body 2, be reserved with annular space, in this annular space from the lining outwards successively sliding sleeve have that to be quantity cylindraceous be 3 outer lock core 12, at center lock core 1, offer on outer lock core 12 and the lock core sleeve body 2 with axially vertical and be considered as a row and quantity is 3 rows' the pellet shot from a slingshot holes that interconnect, the group number in the pellet shot from a slingshot hole that each group of each row interconnects, be center lock core 1 and outer lock core 12 quantity sums, be 4 groups, and they were evenly distributed around circle in one week, in the pellet shot from a slingshot hole that each group interconnects like this 5 lock core marbles 3 are housed, simultaneously in each pellet shot from a slingshot hole of lock core sleeve body 2, pellet shot from a slingshot hole spring 4 and pellet shot from a slingshot port lid 5 are housed also, the keyhole 101 of center lock core 1 is processed with along axial quantity and is 4 and respectively organizes the key rach slot 1011 that the pellet shot from a slingshot hole is connected with each row respectively, 1012,1013 and 1014, being processed with along axial quantity on the key 9 is 4 and can suitable insertion key rach slot 1011,1012,1013 and 1014 key tooth bar 91,92,93 and 94, the front end of center lock core 1 stretches out outside the front end face of lock core sleeve body 2, and fixed cover is provided with a password indicating dial 13 that has indicated password mark 131 on the front end extension of center lock core 1, is shown with password cross-line 201 at the front end face subscript of the lock core sleeve body 2 of password indicating dial 13 peripheries; Be fixed with one on the rear end face of lock core sleeve body 2 with center lock core 1, outer lock core 12 and lock core sleeve body 2 carry out the lock core bonnet 14 of axial limiting, lock box 6 is in the rear of lock core bonnet 14 and is connected mutually with lock core bonnet 14, center lock core 1 and 3 outer lock cores 12 all stretch out the perforate on lock core bonnet 14 and the lock box 6 and enter within the lock box 6, the rearward end of the outer lock core 12 that its medium caliber is less all stretches outside the rear end face of the bigger outer lock core 12 of adjacent bore, the rearward end of center lock core 1 then stretches outside the rear end face of the outer lock core 12 of adjacent bore minimum, lock core unblank driving lever 10 in center just tightly is fixed on the rearward end of center lock core 1, all be processed with an outer transmission double wedge 121 on the rearward end outer wall of 3 outer lock cores 12, the periphery of the outer transmission double wedge 121 of 3 outer lock cores 12 all is provided with the circular password adjustment disk 15 that is that is nested with respectively on each outer lock core 12, all be processed with the interior transmission double wedge 151 that can be meshed on the endoporus wall of 3 password adjustment disks 15 with the outer transmission double wedge 121 on the place outer lock core 12, all be processed with the outer transmission double wedge 152 of a circle on the outer wall of 3 password adjustment disks 15, be equipped with the combination disk 16 that is circular respectively in the periphery of 3 password adjustment disks 15, all offer special-shaped lock-bit cotter way 161 on 3 combination disk 16, in each special-shaped lock-bit cotter way 161, be equipped with and in groove, move radially and the inner password adjustment disk pin 17 that is meshed with the outer transmission double wedge 152 of corresponding combination disk 15, on 3 password adjustment disk pins 17 back-moving spring 18 that is positioned at special-shaped lock-bit cotter way 161 is housed, the outer end of 3 password adjustment disk pins 17 all stretches outside combination disk 16, is equiped with to operate and can contact the pin toggle mechanism 19 that stretches the end of stirring 3 password adjustment disk pins 17 in lock box 6 outsides in lock box 6; Periphery 3 combination disk 16, have 3 combination disk positioning seats 20 that are fixed in the lock box 6, combination disk 16 is all by these 3 combination disk positioning seat 20 clampings and all can rotate in the slide groove that they are offered, all offer from the radially inside thin slice of unblanking of periphery on 3 combination disk 16 and enter narrow slit 162, the lock core driving lever 10 of unblanking in center can contact and stirs the dead bolt lead agency 8 that is in the lock box 6, dead bolt lead agency 8 again be contained in lock box 6 in dead bolt 7 be connected mutually, the front end of dead bolt 7 is in the skidway hole that lock box 6 sides are offered and can stretch out along skidway hole outside the lock box 6, and the rear of dead bolt 7 has one and is contained in the lock box 6 and can drives the thin slice of unblanking that inserts on 3 combination disk 16 by dead bolt 7 suitablely and enter the thin slice 11 of unblanking in the narrow slit 162.

Referring to Fig. 2 to Fig. 6.Lock box 6 is connected and composed by lock box base plate 61 and lock box cover 62, on lock box base plate 61, be fixed with connecting rod 22, lock box cover 62 is outer to have screw 23 to pierce in the screw on the connecting rod 22 in the lock box 6, thereby with lock box cover 62 and dismountable the fixedlying connected of lock box base plate 61 formation.Lock core bonnet 14 is connected mutually with lock core sleeve body 2 and lock box 6, and the embodiment among Fig. 4 adopts screw rod 21 that lock box base plate 61, lock core bonnet 14 and the lock core sleeve body 2 of lock box are linked together.

A kind of embodiment referring to Fig. 2 to Fig. 5 and pin toggle mechanism 19 of the present invention shown in Figure 7.This pin toggle mechanism 19 has one and is installed on the lock box cover 62 and the knob 191 that can operate outside lock box cover 62, knob 191 tightens and is set with a driving lever 192 that is positioned at lock box 6, is fixed with on the driving lever 192 with password adjustment disk pin 17 quantity to equate (embodiment is 3) and can touch the pusher dog that stretches the end 193 of stirring pairing password adjustment disk pin 17 respectively.When carrying out password setting, only need rotation knob 191, just can stir 3 password adjustment disk pins 17 and retreat, thereby 3 password adjustment disks 15 and 3 combination disk 16 are separated by pusher dog 193.Referring to Fig. 8 another embodiment to pin toggle mechanism 19 of the present invention shown in Figure 10.This pin toggle mechanism has a push button 194 that is in outside the lock box cover 62, push rod 195 that are in the lock box 6 pass the chute of offering on the lock box cover 62 621 and are connected mutually with push button 194, be fixed with on the push rod 195 equate (embodiment is 3) with password adjustment disk pin quantity pawl 196, on each combination disk 16, be fixed with a bearing pin 197, on the every bearing pin 197 respectively sliding sleeve have the end can be respectively by the transmission bull stick 198 of 196 promotions that touch of pawling of correspondence, the other end of transmission bull stick 198 respectively with corresponding password adjustment disk pin 17 stretch the adjoining contact of end.When carrying out password setting, only need to promote push button 194 along chute 621, just can drive transmission bull stick 198 and rotate, 3 password adjustment disks 15 and 3 combination disk 16 are separated.

Referring to Fig. 3 to Fig. 6 and Fig. 8.The installation of thin slice 11 in lock box 6 of unblanking that is in dead bolt 7 rears and can be driven by dead bolt 7, embodiment is that front end with the thin slice 11 of unblanking is connected mutually with the rear end of dead bolt 7 among the figure.Dead bolt lead agency 8 of the present invention can utilize prior art, embodiment is fixed with two dead bolt connecting rod positioning seats 81 that are in the lock box 6 among the figure on lock box base plate 61, dead bolt connecting rod 82 is located in the skidway hole that dead bolt connecting rod positioning seat 81 offers and can slides along skidway hole, one end of dead bolt connecting rod 82 is connected mutually with the thin slice 11 of unblanking, on dead bolt connecting rod 82, be hinged with an one-directional rotation pin 84 by hinge 83, and also be fixed with one and nestle up one-directional rotation pin 84 1 sides and make one-directional rotation pin 84 can only make the positioning strip 85 of one-directional rotation, one return spring 86 that links to each other with dead bolt connecting rod 82 is housed on the one-directional rotation pin 84, also be fixed with a fixedly pin 87 on dead bolt connecting rod 82, this fixedly is set with a dead bolt return spring 88 on the dead bolt connecting rod 82 between pin 87 and the dead bolt connecting rod positioning seat 81.When the center lock core was unblanked driving lever 10 rotations, it can drive one-directional rotation pin 84 folk prescriptions and repeatedly rotate to (such as the clockwise direction among Fig. 6), but do not influence the password setting of combination disk 16 is regulated.Unblank driving lever 10 when driving one-directional rotation lever 84 and counterclockwise rotating in as Fig. 6 when the center lock core, then drive dead bolt connecting rod 82 and move to right, make dead bolt 7 mobile and lock is opened in lock box 6.

Referring to Fig. 2 to Fig. 6.The present invention also can install indoor unlocking mechanism by prior art, embodiment is at the indoor Unlocking knob 25 that can operate outside lock box cover 62 of installing on the lock box cover 62 among the figure, tightens at indoor Unlocking knob 25 to be set with one and to be in the lock box 6 and can to contact the driving lever 24 of unblanking of the fixedly pin of stirring on the dead bolt connecting rod 82 87.As long as turning cell drawback lock knob 25, just can stir dead bolt connecting rod 82 and dead bolt 7 and lock is opened by the driving lever 24 of unblanking.Dead bolt 7 of the present invention can adopt multiple dead bolt structure, comprises many dead bolts, world dead bolt, the anti-dead bolt etc. of dialling, and suitable therewith, dead bolt lead agency 8 also can adopt different structures.

Claims (5)

1, a kind of single-hole multi-core anti-theft mechanical cipher lock, comprise unblank driving lever and can insert the key of in the keyhole of center lock core lock being opened of center lock core, lock core sleeve body, lock core marble, pellet shot from a slingshot hole spring, pellet shot from a slingshot port lid, lock box, dead bolt, dead bolt lead agency, center lock core that existing cylinder lock tool has, it is characterized in that:

(A) between the endoporus wall of center lock core and lock core sleeve body, be reserved with annular space, in this annular space from the lining outwards successively sliding sleeve have and be the outer lock core that quantity cylindraceous is at least 1, at the center lock core, offer on outer lock core and the lock core sleeve body with axially perpendicular and be considered as the pellet shot from a slingshot hole that interconnects that a row and quantity are at least 1 row, the group number in the pellet shot from a slingshot hole that each group of each row interconnects, be at least center lock core and outer lock core quantity sum, and they were evenly distributed around circle in one week, in the pellet shot from a slingshot hole that each group interconnects like this lock core marble that quantity is at least 3 is housed, simultaneously in each pellet shot from a slingshot hole of lock core sleeve body, pellet shot from a slingshot hole spring and pellet shot from a slingshot port lid are housed also, the keyhole of center lock core is processed with along the group quantity in the pellet shot from a slingshot hole that each group of axial quantity and each row interconnects and equates and arrange respectively and respectively organize the key rach slot that the pellet shot from a slingshot hole is connected with each, be processed with on the key along axial quantity and equate with the quantity of this key rach slot and key tooth bar that can suitable insertion key rach slot, the front end of center lock core stretches out outside the front end face of lock core sleeve body, and fixed cover is provided with a password indicating dial that has indicated the password mark on the front end extension of center lock core, and the lock core sleeve body front end face subscript in password indicating dial periphery is shown with the password cross-line;

(B) be fixed with one on the rear end face of lock core sleeve body with the center lock core, outer lock core and lock core sleeve body carry out the lock core bonnet of axial limiting, lock box is in the rear of lock core bonnet and is connected mutually with the lock core bonnet, center lock core and all outer lock cores all stretch out the perforate on lock core bonnet and the lock box and enter within the lock box, the rearward end of the outer lock core that its medium caliber is less all stretches outside the rear end face of the bigger outer lock core of adjacent bore, the rearward end of center lock core then stretches outside the rear end face of the outer lock core of adjacent bore minimum, the lock core driving lever of unblanking in center just is fixed on the rearward end of center lock core, all be processed with an outer transmission double wedge on the rearward end outer wall of each outer lock core, the periphery of the outer transmission double wedge of each outer lock core is provided with the circular password adjustment disk that is that is nested with respectively on each outer lock core, all be processed with the interior transmission double wedge that can be meshed on the endoporus wall of each password adjustment disk with the outer transmission double wedge on the outer lock core outer wall of place, all be processed with the outer transmission double wedge of a circle on the outer wall of each password adjustment disk, periphery at each password adjustment disk is equipped with the combination disk that is circular respectively, all offer special-shaped lock-bit cotter way on each combination disk, in each special-shaped lock-bit cotter way, be equipped with and in groove, move radially and the inner password adjustment disk pin that is meshed with the outer transmission double wedge of corresponding password adjustment disk, on each password adjustment disk pin the back-moving spring that is positioned at special-shaped lock-bit cotter way is housed, the end of each password adjustment disk pin all stretches outside combination disk, is equiped with the pin toggle mechanism that can operate and can contact the portion that stretches of stirring each password adjustment disk pin in the lock box outside in lock box;

(C) be at least the periphery of 1 combination disk in quantity, have quantity and be at least 2 the combination disk positioning seat in the lock box of being fixed on, combination disk is all by these several combination disk positioning seat clampings and all can rotate in the slide groove that they are offered, all offer on each combination disk from the radially inside thin slice of unblanking of periphery and enter narrow slit, the lock core driving lever of unblanking in center can contact and stirs the dead bolt lead agency that is in the lock box, the dead bolt lead agency again be contained in lock box in dead bolt be connected mutually, the front end of dead bolt is in the skidway hole that the lock box side is offered and can be outside skidway hole stretches out lock box, and the rear of dead bolt has one and is contained in the lock box and can drives the thin slice of unblanking that inserts on all combination disk by dead bolt suitablely and enter the thin slice of unblanking in the narrow slit.

2, single-hole multi-core band cipher code mechanical lock according to claim 1, it is characterized in that, lock box is connected and composed by lock box base plate and lock box cover, on the lock box base plate, be fixed with connecting rod, lock box cover has screw to pierce in the screw on the connecting rod in the lock box outward, thereby lock box cover is formed dismountable fixedlying connected with the lock box base plate, and the lock core bonnet is connected mutually with lock core sleeve body and lock box, is to adopt screw rod that lock box base plate, lock core bonnet and the lock core sleeve body of lock box are linked together.

3, single-hole multi-core band cipher code mechanical lock according to claim 1 and 2, it is characterized in that, described pin toggle mechanism has one and is installed on the lock box cover and the knob that can operate outside lock box cover, knob tightens and is set with a driving lever that is positioned at lock box, is fixed with on the driving lever to equate with password adjustment disk pin quantity and can touch the pusher dog that stretches the end of stirring pairing password adjustment disk pin respectively.

4, single-hole multi-core band cipher code mechanical lock according to claim 1 and 2, it is characterized in that, described pin toggle mechanism has one and is in the outer push button of lock box cover, push rod that is in the lock box passes the chute of offering on the lock box cover and is connected mutually with push button, be fixed with on the push rod and pawling that password adjustment disk pin quantity equates, on each combination disk, be fixed with a bearing pin, on the every bearing pin respectively sliding sleeve have the end can be respectively by the transmission bull stick of pawling of the correspondence promotion that touches, the other end of transmission bull stick respectively with corresponding password adjustment disk pin stretch the adjoining contact of end.

5, single-hole multi-core band cipher code mechanical lock according to claim 1 and 2 is characterized in that, the described installation of thin slice in lock box of unblanking that is in the dead bolt rear and can be driven by dead bolt is that the front end with the thin slice of unblanking is connected mutually with the rear end of dead bolt.

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