CN103470104A

CN103470104A - Press key type mechanical antitheft coded lock

Info

Publication number: CN103470104A
Application number: CN2013104274928A
Authority: CN
Inventors: 李培海
Original assignee: XINJIANG TONGXINSUO TECHNOLOGY Co Ltd
Current assignee: XINJIANG TONGXINSUO TECHNOLOGY Co Ltd
Priority date: 2013-09-18
Filing date: 2013-09-18
Publication date: 2013-12-25

Abstract

The invention relates to the technical field of a mechanical coded lock, and provides a press key type mechanical antitheft coded lock, which comprises a lock bolt, a lock core, a rotating handle and a lockset casing, wherein a password press key board, the rotating handle and the lock bolt are arranged on the lockset casing, at least three press keys are arranged on the password press key board, the lock core capable of controlling the movement of the lock bolt through the press keys and the rotating handle is arranged in the lockset casing, and the lock core comprises a lock core frame body, a mandrel, a lock core board, a zero clearing cam turntable, a lock disc single-tooth cam, a lock rod, a zero clearing plate, a press key linkage assembly, a lock sheet and a pawl. The press key type mechanical antitheft coded lock has the advantages that the structure is reasonable and compact, the use is convenient, after the unlocking, each press key can be repeatedly set for many times, the press keys can automatically form the messy code after the unlocking, and the safety is high; the retyping is carried out after the press key zero clearing, phenomena of locking and the like cannot occur, and simplicity and convenience are realized; after mistaken passwords are typed, the handle is downwards pressed for unlocking, the lock sheet and the press keys can be in a disengaged state, and the antitheft effect is improved; in addition, users can change the passwords, and the practicability is high.

Description

The button-type mechanical anti-theft puzzle lock

Technical field

the present invention relates to the mechanical code lock technical field, is a kind of button-type mechanical anti-theft puzzle lock.

Background technology

mechanical code lock is a kind of highly reliable full mechanical code lock of large size of key that there is no electronic device; Usually the mechanical code lock adopted is dial-up disk-type mechanical coded lock; It has and is difficult for cracking, the characteristics such as safety height; Body is less, lightweight, is adapted at the very important place use such as cashbox door, guns cabinet, safety cabinet, but, due to its complex structure, needs the professional person just can change code, and practicality in daily life is poor; In order to meet people's primary demand, derive a kind of novel button type mechanical code lock, but the combination of numbers of the button type mechanical code lock of selling in the market is single, easily cracks, safety is poor.

Summary of the invention

the invention provides a kind of button-type mechanical anti-theft puzzle lock, overcome the deficiency of above-mentioned prior art, the button type mechanical code lock that it can effectively solve and use at present, easily crack the problem of poor stability.

also solve dial-up disk-type mechanical coded lock, complex structure, can't change code, the problem of poor practicability voluntarily.

technical scheme of the present invention realizes by following measures: a kind of button-type mechanical anti-theft puzzle lock comprises dead bolt, lock core, turning handle and lockset shell; Password key plate, turning handle and dead bolt are installed on lockset shell, are provided with at least three buttons on the password key plate; Be equipped with in lockset shell and can control by button and turning handle the lock core of dead bolt motion; Lock core comprises lock core support body, mandrel, cylinder plate, zero clearing cam turntable, lock collar monodentate cam, locking bar, zero clearing plate, button linkage unit, locking plate and ratchet; Be installed with the lock core support body in lockset shell, in the lower horizontal of lock core support body, the mandrel that can rotate be installed; The front end of mandrel and the turning cylinder of turning handle link together; The cylinder plate that can be along the longitudinal movement is installed on mandrel, and cylinder plate is positioned at the lock core support body; Bottom in cylinder plate is equipped with linkage rack, before and after cylinder plate, on the mandrel of both sides, is installed with respectively the monodentate cam, and the outer wheel face of monodentate cam is against respectively the upper surface of linkage rack; Be installed with successively the zero clearing cam turntable and can control the lock collar monodentate cam that dead bolt moves to front by rear on the mandrel of linkage rack front side, lock collar monodentate cam and dead bolt link together; Be separately installed with zero clearing plate and the locking bar be along the longitudinal movement in the lock core support body of zero clearing cam turntable and lock collar monodentate cam upper end; The outer wheel face of zero clearing cam turntable withstands on the lower surface of zero clearing plate; The fan-shaped groove of opening upwards is arranged on the outer wheel face of lock collar monodentate cam, and the lower end of locking bar is positioned at groove; Angle between the left side of locking bar and groove left end is between 10 ° to 20 °, and the angle between the right side of locking bar and groove right-hand member is between 45 ° to 50 °; The reverse transmission that can make both oppositely move is installed between the top of locking bar and cylinder plate; Cylinder plate, locking bar and zero clearing plate are respectively and the zero clearing back-moving spring that can make its vertical return is installed between the lock core support body; Or/and right side is respectively equipped with top-down open slot corresponding to number of keys, the locking plate that can make the cylinder plate longitudinal spacing is arranged in open slot in the upper left-hand of cylinder plate, before and after locking plate, run through and be arranged on the lock core support body; Be provided with the locking plate groove on locking plate; Before and after the top of lock core support body, run through be equipped with can with the button linkage unit of button transverse linkage, front end and the button of button linkage unit link together; Locking plate and button linkage unit laterally locking are installed together; The coding tooth bar back-moving spring that can make its horizontal return is installed on the button linkage unit; Be provided with the ratchet slot of at least two in the upper end of button linkage unit, on the lock core support body, being equipped with can be by making the spacing ratchet in button linkage unit front and back with the ratchet slot engagement, and ratchet is hingedly mounted in the lock core support body by bearing pin; In the left side of zero clearing plate, or/and there is pawl pockets on right side, ratchet is positioned at pawl pockets.

below the further optimization and/or improvements to the foregoing invention technical scheme:

above-mentioned button linkage unit can comprise button push rod and coding tooth bar; Run through the coding tooth bar is installed before and after on the lock core support body, coding tooth bar left end parallel interval at lock core support body rear side is installed with push rod connection clamp, connect at push rod on the lock core support body of upper end of clamp and run through the button push rod is installed, in the lower end of button push rod, the push rod limiting tooth is arranged, be provided with at least two energy in the upper end of push rod connection clamp and be connected teeth groove with the push rod of push rod limiting tooth engagement; There is sagittal horizontal spring mounting groove at coding tooth bar middle part in lock core support body inside, and coding tooth bar back-moving spring is installed in the horizontal spring mounting groove.

the button push rod clutch plate parallel with cylinder plate can be installed in the lock core support body in above-mentioned cylinder plate the place ahead, the hollowed-out board that button push rod clutch plate is inner hollow, button push rod clutch plate is sleeved on the outside of button push rod, coding tooth bar and locking plate; In the inside left of button push rod clutch plate, or/and right side is respectively equipped with clutch plate opening draw-in groove, button push rod longitudinal spacing respectively is arranged in clutch plate opening draw-in groove; Be installed with the clutch plate adjustment cam on the mandrel corresponding with button push rod clutch plate, the bayonet socket that the semicircle arcuation is arranged in the upper end of clutch plate adjustment cam, the arc fixture block of the oriented lower process in lower end of the button push rod clutch plate corresponding with bayonet socket, the bottom of arc fixture block is positioned at bayonet socket; Be installed with slide block lock core base in the lock core support body of the front side of button push rod clutch plate, slide block lock core base sheath is contained on mandrel; Slide block lock core base below button push rod clutch plate has slide block slippage slotted hole, is set with the slide block that can move left and right along slide block slippage slotted hole in slide block slippage slotted hole, and the rear upper end face of slide block withstands on the button push rod clutch plate bottom in arc fixture block left side; Be installed with the bidentate cam on the front side mandrel of slide block lock core base, on the outer ring surface of the top of bidentate cam, there is the slide block of arc to move regulating tank, the front portion of slide block is positioned at the left part that slide block moves regulating tank, and the left side of slide block withstands on the inside left end that slide block moves regulating tank.

above-mentioned zero clearing cam turntable can comprise zero clearing cam disk body; On the external anchor ring of zero clearing cam disc top, fan groove is arranged, the zero clearing cam disk body top of fan groove both sides is circular-arc; The fan groove bottom withstands on the lower surface of zero clearing plate.

can be provided with the block mounting groove to lower recess on the locking plate of above-mentioned lock core support body rear side, in the block mounting groove, by hinged being equipped with of bearing pin, change a yard brace, be respectively equipped with at the two ends, left and right that change yard brace and regulate fixture block and engage a gear fixture block; A change yard draw-in groove identical with ratchet slot quantity arranged on the coding tooth bar corresponding with the block mounting groove, and the engage a gear fixture block is positioned at and changes a yard draw-in groove; Be installed with and change a yard support in the lock core support body rear end on locking plate right side, be respectively equipped with sagittal change a yard slippage slot corresponding with the block mounting groove changing on yard support, regulate the fixture block longitudinal spacing and be arranged on and change in yard slippage slot; The sagittal yard pull rod slot that changes is arranged in the upper end that changes yard support, is equipped with in changing yard pull rod slot and changes a yard stretching bar, change yard support and changing on yard stretching bar have respectively pin-and-hole and after obliquely change a yard inclined hole, at pin-and-hole with change in yard inclined hole bearing pin is installed; Change yard front portion of stretching bar and be positioned at the lock core support body; Have and change a yard pull bar draw-in groove changing yard front lower ends of stretching bar, the upper end of cylinder plate is stuck in and changes in yard pull bar draw-in groove.

on the cylinder plate of the spacing slotted hole of above-mentioned movement below, downward opening breach can be arranged, breach is separated into left side plate and right side plate by the bottom of cylinder plate; Linkage rack is sleeved on left side plate and right side plate; The bottom of the linkage rack between left side plate and right side plate is installed with lock core base spring backstay, the left side plate of lock core base spring backstay downside and the riveted joint of the bottom of right side plate are installed with the lock core base, at the lock core base, the intercommunicating pore corresponding with lock core base spring backstay arranged, be set with the lock core back-moving spring on lock core base spring backstay, the upper end of lock core back-moving spring withstands on the lower surface of linkage rack, and the lower end of lock core back-moving spring withstands on the upper surface of lock core base.

above-mentioned reverse transmission can comprise rocking lever; The spacing slotted hole of vertical movement is arranged in the bottom of cylinder plate, and cylinder plate is sleeved on mandrel by mobile spacing slotted hole; The vertical slotted hole that mutual correspondence is arranged respectively on locking bar, zero clearing plate and cylinder plate above lock collar monodentate cam, zero clearing cam turntable and mobile spacing slotted hole, by bearing pin, the rocking lever that can swing up and down is installed in the lock core support body corresponding with vertical slotted hole, rocking lever is positioned at vertical slotted hole; The upper end, front side of rocking lever withstands on the lower surface of vertical slotted hole of cylinder plate, and the rear side lower end of rocking lever is against on the lower surface of vertical slotted hole of locking bar.Cylinder plate moves down and promotes the rocking lever rear end, because of lever principle, on the rocking lever front end, carries, and moves on the drive locking bar, makes locking bar break away from groove.

above-mentioned lock core support body can comprise front side board, back side panel, transversely fixed head, laterally bottom plate, ratchet support, spring-support plate, lock bottom plate, rocking lever bracing strut, left plate, right plate, change on yard support location-plate and change location-plate under yard support; In the left and right sides of front side board and back side panel, Tenon is equipped with left plate and right plate respectively, between the front portion of front side board, back side panel, left plate and right plate front portion, forms the cylinder plate installation cavity, and in the upper end of cylinder plate installation cavity, Tenon is equipped with top board; Be installed with transversely fixed head and laterally bottom plate by the Tenon interval successively from top to bottom in the cylinder plate installation cavity; Fixed head is interval with three parallel installation slotted holes with front and back on horizontal bottom plate in the horizontal; Zero clearing plate, cylinder plate and button push rod clutch plate vertically are arranged on fixed head transversely and laterally in the installation slotted hole of bottom plate from front to back successively; The transversely fixed head of the left and right sides of cylinder plate and laterally on bottom plate Tenon locking plate protection fore-stock and locking plate protection after-poppet are installed; On locking plate protection fore-stock and locking plate protection after-poppet, the locking plate support limit groove corresponding with open slot arranged respectively; The set hole that communicates corresponding with button before and after being distributed with on front side board and back side panel; Every group of set hole comprises respectively push rod installing hole, coding tooth bar installing hole and locking plate installing hole, button push rod, coding tooth bar and locking plate level respectively are arranged in push rod installing hole, coding tooth bar installing hole and locking plate installing hole, and button push rod, coding tooth bar and locking plate are transversely between fixed head and horizontal bottom plate; Coding tooth bar back-moving spring is installed on the coding tooth bar, and the front end of coding tooth bar back-moving spring withstands on front side board, and the rear end of coding tooth bar back-moving spring withstands on back side panel; The transversely fixed head of the zero clearing plate left and right sides and laterally bottom plate the left and right sides respectively Tenon the ratchet support is installed, pin shaft hole corresponding to left and right arranged respectively on the ratchet support, ratchet is arranged on the ratchet support by bearing pin; In cylinder plate installation cavity below horizontal bottom plate, interval is equipped with spring-support plate, be interval with four trepannings before and after on spring-support plate, the bottom of button push rod clutch plate, cylinder plate, zero clearing plate and the top of locking bar are arranged in trepanning by rear extremely front longitudinal spacing successively; Laterally on the button push rod clutch plate between bottom plate and spring-support plate, cylinder plate, zero clearing plate, be separately installed with the zero clearing back-moving spring; Be installed with locking bar on the locking bar above spring-support plate, between locking bar and horizontal bottom plate, the zero clearing back-moving spring be installed; Corresponding axis hole is arranged respectively on the front side board below spring-support plate and back side panel, before and after mandrel, run through and be arranged in axis hole; Lock collar monodentate cam, zero clearing cam turntable, cylinder plate, bidentate cam, slide block lock core base and clutch plate adjustment cam are installed on the mandrel in the cylinder plate installation cavity from front to back successively; In the lower end of cylinder plate installation cavity, Tenon is equipped with lock bottom plate, and the bottom Tenon of slide block lock core base is arranged on lock bottom plate; Be provided with base installing hole on the lock bottom plate of slide block lock core base front side, linkage rack is sleeved in base installing hole; The left and right sides of the cylinder plate installation cavity inside below spring-support plate Tenon respectively is equipped with the rocking lever bracing strut, and hinge hole is arranged respectively on the rocking lever bracing strut, and rocking lever is arranged on the rocking lever bracing strut by bearing pin; Between the left plate at back side panel rear and right plate, Tenon is installed with and changes on yard support location-plate and change location-plate under yard support, changes a yard support Tenon and is fixedly mounted on and changes on yard support location-plate and change under yard support on location-plate; Have and change a yard pull rod slot changing changing on yard support above location-plate on yard support, change yard stretching bar and be arranged on and change in yard pull rod slot by bearing pin; Changing yard front portion of stretching bar is arranged in the cylinder plate installation cavity through back side panel, button push rod clutch plate, locking plate protection after-poppet and locking plate protection fore-stock successively.

above-mentioned ratchet front portion can be installed with the shell fragment mounting blocks, in the rear end of shell fragment mounting blocks, is installed with the ratchet rear end vertically is pressed on to the compression shell fragment in ratchet slot, compresses shell fragment and is concave arc shape, and the bottom that compresses shell fragment is pressed in ratchet rear upper end face; The changing on yard support location-plate and change under yard support on location-plate Tenon respectively push rod shell fragment fixed mount is installed of the left and right sides that changes yard support, in the inboard of push rod shell fragment fixed mount, install respectively and can make the push rod limiting tooth hold out against the metal clips at the button ratchet slot; The bottom of metal clips is pressed in respectively the upper surface of button push rod.

locking bar front side board and locking bar back side panel can be installed on the mandrel of the both sides, front and back of above-mentioned lock collar monodentate cam; The two ends, left and right of locking bar front side board and locking bar back side panel are installed together with the rocking lever bracing strut Tenon of both sides respectively; The bottom of locking bar front side board and locking bar back side panel and lock bottom plate Tenon are installed together; On the top of locking bar front side board and locking bar back side panel, the through hole corresponding with vertical slotted hole arranged, rocking lever is positioned at through hole and vertical slotted hole.

reasonable and compact in structure of the present invention, easy to use; After unblanking, each button is repeatedly setting repeatedly, increases the permutation and combination number of times of password, and the rear button of simultaneously unblanking can form mess code automatically, safe; When the key error password, can when being carried on counterclockwise, turning handle by again keying in after the button zero clearing, the phenomenons such as locked can not occur, and simple and convenient; Press down handle after the key error password and open, can make locking plate and button in disengaged position, make keys deactivation, improve anti-theft effect; In addition, the user can change code voluntarily, practical.

The accompanying drawing explanation

accompanying drawing 1 is the main TV structure schematic diagram of lock core in most preferred embodiment of the present invention.

the exploded view that accompanying drawing 2 is accompanying drawing 1.

coding in accompanying drawing is respectively: 1 is the lock core support body, 2 is mandrel, 3 is cylinder plate, 4 is the zero clearing cam turntable, 5 is lock collar monodentate cam, 6 is locking bar, 7 is the zero clearing plate, 8 is the zero clearing back-moving spring, 9 is locking plate protection after-poppet, 10 is coding tooth bar back-moving spring, 11 is locking plate, 12 is open slot, 13 is the locking plate groove, 14 is teeth groove, 15 is ratchet, 16 is pawl pockets, 17 is the button push rod, 18 is the coding tooth bar, 19 for changing a yard slippage slot, 20 is the push rod limiting tooth, 21 is button push rod clutch plate, 22 is clutch plate opening draw-in groove, 23 is the clutch plate adjustment cam, 24 is the lock core back-moving spring, 25 is the arc fixture block, 26 is slide block lock core base, 27 is slide block slippage slotted hole, 28 is slide block, 29 is the bidentate cam, 30 move regulating tank for slide block, 31 is groove, 32 for changing a yard brace, 33 for regulating fixture block, 34 is the engage a gear fixture block, 35 for changing a yard draw-in groove, 36 for changing a yard support, 37 for changing a yard pull rod slot, 38 for changing a yard stretching bar, 39 for changing a yard inclined hole, 40 for changing a yard pull bar draw-in groove, 41 is rocking lever, 42 is mobile spacing slotted hole, 43 is vertical slotted hole, 44 is linkage rack, 45 is the monodentate cam, 46 is front side board, 47 is back side panel, 48 is fixed head transversely, 49 is horizontal bottom plate, 50 is the lock core base, 51 is the push rod installing hole, 52 is coding tooth bar installing hole, 53 is the locking plate installing hole, 54 is the ratchet support, 55 is pin shaft hole, 56 is spring-support plate, 57 is lock core base spring backstay, 58 is through hole, 59 is locking bar, 60 is axis hole, 61 is lock bottom plate, 62 is the locking bar back side panel, 63 is the rocking lever bracing strut, 64 is hinge hole, 65 is left plate, 66 is right plate, 67 is top board, 68 for changing location-plate on yard support, 69 for changing location-plate under yard support, 70 is the locking bar front side board, 71 is push rod shell fragment fixed mount, 72 is locking plate support limit groove, 73 is locking plate protection fore-stock.

The specific embodiment

the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.

in the present invention, for convenience of description, the description of the relative position relation of each parts is all to be described according to the Butut mode of Figure of description 2, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 2.

below in conjunction with embodiment and accompanying drawing, the invention will be further described:

as shown in accompanying drawing 1,2, this button-type mechanical anti-theft puzzle lock comprises dead bolt, lock core, turning handle and lockset shell; Password key plate, turning handle and dead bolt are installed on lockset shell, are provided with at least three buttons on the password key plate; Be equipped with in lockset shell and can control by button and turning handle the lock core of dead bolt motion; Lock core comprises lock core support body 1, mandrel 2, cylinder plate 3, zero clearing cam turntable 4, lock collar monodentate cam 5, locking bar 6, zero clearing plate 7, button linkage unit, locking plate 11 and ratchet 15; Be installed with lock core support body 1 in lockset shell, in the lower horizontal of lock core support body 1, the mandrel 2 that can rotate be installed; The front end of mandrel 2 and the turning cylinder of turning handle link together; The cylinder plate 3 that can be along the longitudinal movement is installed on mandrel 2, and cylinder plate 3 is positioned at lock core support body 1; In the bottom of cylinder plate 3, linkage rack 44 is installed, on the mandrel 2 of cylinder plate 3 both sides, front and back, is installed with respectively monodentate cam 45, the outer wheel face of monodentate cam 45 is against respectively the upper surface of linkage rack 44; Be installed with successively zero clearing cam turntable 4 and can control the lock collar monodentate cam 5 that dead bolt moves to front by rear on the mandrel 2 of linkage rack 44 front sides, lock collar monodentate cam 5 links together with dead bolt; Be separately installed with zero clearing plate 7 and the locking bar 6 be along the longitudinal movement in the lock core support body 1 of zero clearing cam turntable 4 and lock collar monodentate cam 5 upper ends; The outer wheel face of zero clearing cam turntable 4 withstands on the lower surface of zero clearing plate 7; The fan-shaped groove 31 of opening upwards is arranged on the outer wheel face of lock collar monodentate cam 5, and the lower end of locking bar 6 is positioned at groove 31; Angle between the left side of locking bar 6 and groove 31 left ends is between 10 ° to 20 °, and the angle between the right side of locking bar 6 and groove 31 right-hand members is between 45 ° to 50 °; The reverse transmission that can make both oppositely move is installed between the top of locking bar 6 and cylinder plate 3; Cylinder plate 3, locking bar 6 and zero clearing plate 7 are respectively and the zero clearing back-moving spring 8 that can make its vertical return is installed between lock core support body 1; Or/and right side is respectively equipped with top-down open slot 12 corresponding to number of keys, the locking plate 11 that can make cylinder plate 3 longitudinal spacings is arranged in open slot 12 in the upper left-hand of cylinder plate 3, locking plate 11 front and back are run through and are arranged on lock core support body 1; Be provided with locking plate groove 13 on locking plate 11; Before and after the top of lock core support body 1, run through be equipped with can with the button linkage unit of button transverse linkage, front end and the button of button linkage unit link together; Locking plate 11 is laterally locked and is installed together with the button linkage unit; The coding tooth bar back-moving spring 10 that can make its horizontal return is installed on the button linkage unit; Be provided with the ratchet slot 14 of at least two in the upper end of button linkage unit, on lock core support body 1, being equipped with can be by making the spacing ratchet 15 in button linkage unit front and back with ratchet slot 14 engagements, and ratchet 15 is hingedly mounted in lock core support body 1 by bearing pin; In the left side of zero clearing plate 7, or/and there is pawl pockets 16 on right side, ratchet 15 is positioned at pawl pockets 16.When key feeding cipher is unblanked, the button of corresponding password can promote the button linkage unit and move backward, driving each locking plate 11 moves backward, make locking plate groove 13 move to open slot 12 places of cylinder plate 3, now the passage that moves up and down of cylinder plate 3 is opened, locking plate groove 13 is not subject to locking plate 11 spacing, can move up and down; Turn clockwise again and press down the turning handle of 10 ° to 20 °, mandrel 2 drives successively monodentate cam 45 and lock collar monodentate cam 5 turns clockwise, outer contour with monodentate cam 45, promoting linkage rack 44 moves down cylinder plate 3, make to carry on locking bar 6 through reverse transmission, break away from groove 31, lock collar monodentate cam 5 can continue to clockwise rotate with mandrel 2, and drive dead bolt and move, realize release; When the password of key error, can be rotated counterclockwise on 45 ° to 50 ° and carry turning handle, mandrel 2 rotates counterclockwise, and drives zero clearing cam turntable 4 and is rotated counterclockwise, with the outer contour of zero clearing cam turntable 4, promote to move on zero clearing plate 7, ratchet 15 is lifted, 10 effects of coding tooth bar back-moving spring, the horizontal reset passages of button linkage unit is opened, make the button zero clearing, then key feeding cipher gets final product again; Promoting the button linkage unit is moved spacing by ratchet 15 and the teeth groove engagement of ratchet slot 14, during inching button, the button linkage unit is subject to a button effect mobile tooth pitch backward, be provided with a plurality of ratchet slots 14 on the button linkage unit, the button linkage unit can laterally repeatedly move, realize repeatedly repeatedly setting of a button, the permutation and combination of password is many, safe; Under the state of key feeding cipher, the movement of button linkage unit is irreversible, the password mistake, and cylinder plate 3 locking, can only be by zero clearing key feeding cipher again, and the difficulty that increase cracks is safe.

can according to actual needs, above-mentioned button-type mechanical anti-theft puzzle lock be made further optimization and/or improvements:

as shown in accompanying drawing 1,2, the button linkage unit comprises button push rod 17 and coding tooth bar 18; Run through before and after on lock core support body 1 coding tooth bar 18 is installed, coding tooth bar 18 left end parallel interval at lock core support body 1 rear side are installed with push rod connection clamp, connect at push rod on the lock core support body 1 of upper end of clamp and run through button push rod 17 is installed, in the lower end of button push rod 17, push rod limiting tooth 20 is arranged, be provided with at least two energy in the upper end of push rod connection clamp and be connected teeth groove with the push rod of push rod limiting tooth 20 engagements; There is sagittal horizontal spring mounting groove at coding tooth bar 18 middle parts in lock core support body 1 inside, and coding tooth bar back-moving spring 10 is installed in the horizontal spring mounting groove.On button push rod 17 between button and lock core support body 1, the button back-moving spring is installed, during key feeding cipher, button push rod 17 promotes backward, 20 effects of drawn stem limiting tooth, driving coding tooth bar 18 moves, the tooth bar 18 of now encoding is subject to ratchet 15 effect cross spacings, and button push rod 17 is subject to the button action of reset spring and the transverse shifting return, push rod limiting tooth 20 is moved forward and be engaged in the push rod connection teeth groove of adjacent front side; Like this, after single button is repeatedly pressed, pressing operating distance and can not changing of button, optimize structure, and improves result of use.

as shown in accompanying drawing 1,2, the button push rod clutch plate 21 parallel with cylinder plate 3 is installed in the lock core support body 1 in cylinder plate 3 the place aheads, the hollowed-out board that button push rod clutch plate 21 is inner hollow, button push rod clutch plate 21 is sleeved on the outside of button push rod 17, coding tooth bar 18 and locking plate 11; In the inside left of button push rod clutch plate 21, or/and right side is respectively equipped with clutch plate opening draw-in groove 22, button push rod 17 longitudinal spacing respectively is arranged in clutch plate opening draw-in groove 22; Be installed with clutch plate adjustment cam 23 on the mandrel 2 corresponding with button push rod clutch plate 21, the bayonet socket that the semicircle arcuation is arranged in the upper end of clutch plate adjustment cam 23, the arc fixture block 25 of the oriented lower process in lower end of the button push rod clutch plate 21 corresponding with bayonet socket, the bottom of arc fixture block 25 is positioned at bayonet socket; Be installed with slide block lock core base 26 in the front side of button push rod clutch plate 21 lock core support body 1, slide block lock core base 26 is sleeved on mandrel 2; Slide block lock core base 26 below button push rod clutch plate 21 has slide block slippage slotted hole 27, be set with the slide block 28 that can move left and right along slide block slippage slotted hole 27 in slide block slippage slotted hole 27, the rear upper end face of slide block 28 withstands on button push rod clutch plate 21 bottoms in arc fixture block 25 left sides; Be installed with bidentate cam 29 on the front side mandrel 2 of slide block lock core base 26, on the outer ring surface of the top of bidentate cam 29, there is the slide block of arc to move regulating tank 30, the front portion of slide block 28 is positioned at the left part that slide block moves regulating tank 30, and the left side of slide block 28 withstands on the inside left end that slide block moves regulating tank 30.In the input error password, press down clockwise turning handle, mandrel 2 rotates, and drives 23 rotations of clutch plate adjustment cam; Arc fixture block 25 is subject to the bayonet-action of clutch plate adjustment cam 23, on button push rod clutch plate 21, move, clutch plate opening draw-in groove 22 lifts and makes push rod limiting tooth 20 to break away from push rod connection teeth groove button push rod 17, and button push rod 17 and coding tooth bar 18 are in disengaged position; Under this state, key in any password, button all can't act on locking plate 11; Mandrel 2 drives bidentate cam 29 when rotating, and slide block 28 can be moved axially to the right along slide block slippage slotted hole 27, while moving to the bottom of arc fixture block 25, can make button push rod clutch plate 21 be subject to slide block 28 effects to keep longitudinal spacing; In the situation that the turning handle revolution resets, the state after moving on button push rod clutch plate 21, break away from button push rod 17 and coding tooth bar 18; Effectively prevent that the burglar from can, at rotary handle under opening, feel out password, good anti-theft effect; Carry turning handle on carrying out after above operation more counterclockwise, in the time of the button zero clearing, the slide block of bidentate cam 29 moves regulating tank 30 makes slide block 28 be moved to the left disengaging arc fixture block 25, due to 8 effects of zero clearing back-moving spring, button push rod clutch plate 21 resets, locking plate 11 recovers connection status, and key feeding cipher, realize unblanking again; In addition, when not inputting password, carry turning handle on counterclockwise, the button zero clearing, due to bidentate cam 29 rotates counterclockwise can't adjusting slider 28, button push rod clutch plate 21 can't continuingly act on coding tooth bar 18, does not affect realization and the use of the present invention of other functions.

as required, zero clearing cam turntable 4 comprises zero clearing cam disk body; On the external anchor ring of zero clearing cam disc top, fan groove is arranged, the zero clearing cam disk body top of fan groove both sides is circular-arc; The fan groove bottom withstands on the lower surface of zero clearing plate 7.When key feeding cipher is unblanked, the passage that moves up and down of cylinder plate 3 is opened; Press down clockwise turning handle, when moving down, cylinder plate 3 drives zero clearing cam turntable 4 synchronous rotation the clockwise, zero clearing plate 7 bottoms are transitted to the top outer ring surface of zero clearing cam disk body 4 from fan groove, and make to move on zero clearing plate 7, ratchet 15 lifts, but, because cylinder plate 3 moves down, the horizontal reset passages of locking plate 11 intercepts, still carry out unlocking action, realize unblanking; After unblanking, turning handle is rotated counterclockwise and resets, and zero clearing cam turntable 4 is rotated counterclockwise by mandrel 2 drives, and zero clearing plate 7 moves down; Ratchet 15 is fallen after rise by 7 effects of zero clearing plate gradually; in the process fallen after rise; on cylinder plate 3, move, the open slot 12 of cylinder plate 3 moves to locking plate groove 13 places, and the horizontal reset passages of locking plate 11 is opened; the locking plate 11 tooth bar back-moving spring 10 effect short-distance movements of can being encoded reset; the state of button while making button can't keep former unblanking, after can preventing from like this unblanking, in the situation of manual zero clearing, password is not stolen by other people; further protect password, good anti-theft effect.

as shown in accompanying drawing 1,2, be provided with the block mounting groove to lower recess on the locking plate 11 of lock core support body 1 rear side, change yard brace 32 by hinged being equipped with of bearing pin in the block mounting groove, be respectively equipped with at the two ends, left and right that change yard brace 32 and regulate fixture block 33 and engage a gear fixture block 34; Identical with the ratchet slot 14 quantity yard draw-in groove 35 that changes is arranged on the coding tooth bar 18 corresponding with the block mounting groove, and engage a gear fixture block 3 is positioned at and changes yard draw-in groove 35; Be installed with and change yard support 36 in lock core support body 1 rear end on locking plate 11 right sides, be respectively equipped with sagittal the change yard slippage slot 19 corresponding with the block mounting groove changing on yard support 36, regulate fixture block 33 longitudinal spacings and be arranged on and change in yard slippage slot 19; The sagittal yard pull rod slot 37 that changes is arranged in the upper end that changes yard support 36, be equipped with in changing yard pull rod slot 37 and change a yard stretching bar 38, change yard support 36 and change on yard stretching bar 38 have respectively pin-and-hole and after obliquely change yard inclined hole 39, at pin-and-hole with change in yard inclined hole 39 bearing pin is installed; Change yard front portion of stretching bar 38 and be positioned at lock core support body 1; Have and change a yard pull bar draw-in groove 40 changing yard front lower ends of stretching bar 38, the upper end of cylinder plate 3 is stuck in and changes in yard pull bar draw-in groove 40.Consider practicality, for ease of people's escape voluntarily, be provided with on locking plate 11 on block mounting groove and coding tooth bar 18 and be provided with and change yard draw-in groove 35, by changing the rotation of yard brace 32, control locking plate 11 and 18 clutches of coding tooth bar, break away from coding tooth bar 18 in the situation that control locking plate 11, can manually type in the new password of setting, by changing yard brace 32, connect, password setting is complete again; In this process, can regulate and change a yard stretching bar 38 by manual front and back, making to change yard support 36 can move up and down, change yard support 36 and drive and regulate fixture blocks 33 and move up and down and make to change 32 rotations of yard brace by changing yard slippage slot 19, thereby play the effect of controlling locking plate 11 and the clutch of coding tooth bar 18; During use, only in the situation that key in original password, cylinder plate 3 moves down, and change a yard stretching bar 38 and just can move forward and backward, thereby the operating personnel that guarantee Modify password just can reset new password only in the situation that know original code, safe.

as shown in accompanying drawing 1,2, on the cylinder plate 3 below mobile spacing slotted hole 42, downward opening breach is arranged, breach is separated into left side plate and right side plate by the bottom of cylinder plate 3; Linkage rack 44 is sleeved on left side plate and right side plate; The bottom of the linkage rack 44 between left side plate and right side plate is installed with lock core base spring backstay 57, the left side plate of lock core base spring backstay 57 downsides and the riveted joint of the bottom of right side plate are installed with lock core base 50, at lock core base 50, the intercommunicating pore corresponding with lock core base spring backstay 57 arranged, be set with lock core back-moving spring 24 on lock core base spring backstay 57, the upper end of lock core back-moving spring 24 withstands on the lower surface of linkage rack 44, and the lower end of lock core back-moving spring 24 withstands on the upper surface of lock core base 50.While keying in proper password, turn clockwise and press down the turning handle of 10 ° to 20 °, mandrel 2 drives monodentate cam 45 and clockwise rotates, outer contour with monodentate cam 45, linkage rack 44 moves down, and by lock core back-moving spring 24 and lock core base 50 drive cylinder plate 3, moves down successively, realizes unblanking; When the input error password; because cylinder plate 3 is subject to locking plate 11 spacing, linkage rack 44 moves down and can only compress lock core back-moving spring 24 and can't act on cylinder plate 3, thus protection lock central layer 3 and locking plate 11; prevent malice from moving turning handle and lock core is damaged, improving the application life of lock core.

as shown in accompanying drawing 1,2, reverse transmission comprises rocking lever 41; The spacing slotted hole 42 of vertical movement is arranged in the bottom of cylinder plate 3, and cylinder plate 3 is sleeved on mandrel 2 by mobile spacing slotted hole 42; The vertical slotted hole 43 that mutual correspondence is arranged respectively on locking bar 6, zero clearing plate 7 and cylinder plate 3 above lock collar monodentate cam 5, zero clearing cam turntable 4 and mobile spacing slotted hole 42, by bearing pin, the rocking lever 41 that can swing up and down is installed in the lock core support body corresponding with vertical slotted hole 43, rocking lever 41 is positioned at vertical slotted hole 43; The upper end, front side of rocking lever 41 withstands on the lower surface of vertical slotted hole 43 of cylinder plate 3, and the rear side lower end of rocking lever 41 is against on the lower surface of vertical slotted hole 43 of locking bar 6.Cylinder plate 3 moves down and promotes rocking lever 41 rear ends and falls, and because of lever principle, on rocking lever 41 front ends, carries, and moves on drive locking bar 6, makes locking bar 6 break away from grooves 31.

as shown in accompanying drawing 1,2, lock core support body 1 comprise front side board 46, back side panel 47, transversely fixed head 48, laterally bottom plate 49, ratchet support 54, spring-support plate 56, lock bottom plate 61, rocking lever bracing strut 63, left plate 65, right plate 66, change on yard support location-plate 68 and change location-plate 69 under yard support; In the left and right sides of front side board 46 and back side panel 47, Tenon is equipped with left plate 65 and right plate 66 respectively, form the cylinder plate installation cavity between the front portion of front side board 46, back side panel 47, left plate 65 and right plate 66 front portions, in the upper end of cylinder plate installation cavity, Tenon is equipped with top board 67; Be installed with transversely fixed head 48 and laterally bottom plate 49 by the Tenon interval successively from top to bottom in the cylinder plate installation cavity; Fixed head 48 is interval with three parallel installation slotted holes with front and back on horizontal bottom plate 49 in the horizontal; Zero clearing plate 7, cylinder plate 3 and button push rod clutch plate 21 vertically are arranged on fixed head 48 transversely and laterally in the installation slotted hole of bottom plate 49 from front to back successively; The transversely fixed head of the left and right sides of cylinder plate 3 and laterally on bottom plate Tenon locking plate protection fore-stock 73 and locking plate protection after-poppet 9 are installed; On locking plate protection fore-stock 73 and locking plate protection after-poppet 9, the locking plate support limit groove 72 corresponding with open slot 12 arranged respectively; The set hole that communicates corresponding with button before and after being distributed with on front side board 46 and back side panel 47; Every group of set hole comprises respectively push rod installing hole 51, coding tooth bar installing hole 52 and locking plate installing hole 53, button push rod 17, coding tooth bar 18 and locking plate 11 level respectively are arranged in push rod installing hole 51, coding tooth bar installing hole 52 and locking plate installing hole 53, and button push rod 17, coding tooth bar 18 and locking plate 11 are transversely between fixed head 48 and horizontal bottom plate 49; Coding tooth bar back-moving spring 10 is installed on coding tooth bar 18, and the front end of coding tooth bar back-moving spring 10 withstands on front side board 46, and the rear end of coding tooth bar back-moving spring 10 withstands on back side panel 47; The transversely fixed head 48 of zero clearing plate 7 left and right sides and laterally bottom plate 49 the left and right sides respectively Tenon ratchet support 54 is installed, pin shaft hole 55 corresponding to left and right arranged respectively on ratchet support 54, ratchet 15 is arranged on ratchet support 54 by bearing pin; In cylinder plate installation cavity below horizontal bottom plate 49, interval is equipped with spring-support plate 56, be interval with four trepannings before and after on spring-support plate 56, the bottom of button push rod clutch plate 21, cylinder plate 3, zero clearing plate 7 and the top of locking bar 6 are arranged in trepanning by rear extremely front longitudinal spacing successively; Laterally on the button push rod clutch plate 21 between bottom plate 49 and spring-support plate 56, cylinder plate 3, zero clearing plate 7, be separately installed with zero clearing back-moving spring 8; Be installed with locking bar 59 on the locking bar 6 above spring-support plate 56, between locking bar 59 and horizontal bottom plate 49, zero clearing back-moving spring 8 be installed; On front side board 46 below spring-support plate 56 and back side panel 47, corresponding axis hole 60 is arranged respectively, mandrel 2 front and back are run through and are arranged in axis hole 60; Lock collar monodentate cam 5, zero clearing cam turntable 4, cylinder plate 3, bidentate cam 29, slide block lock core base 26 and clutch plate adjustment cam 23 are installed on the mandrel 2 in the cylinder plate installation cavity from front to back successively; In the lower end of cylinder plate installation cavity, Tenon is equipped with lock bottom plate 61, and the bottom Tenon of slide block lock core base 26 is arranged on lock bottom plate 61; Be provided with base installing hole on the lock bottom plate 61 of slide block lock core base 26 front sides, linkage rack 44 is sleeved in base installing hole; The left and right sides of the cylinder plate installation cavity inside below spring-support plate 56 Tenon respectively is equipped with rocking lever bracing strut 63, and hinge hole 64 is arranged respectively on rocking lever bracing strut 63, and rocking lever 41 is arranged on rocking lever bracing strut 63 by bearing pin; Between the left plate 65 at back side panel 47 rears and right plate 66, Tenon is installed with and changes on yard support location-plate 68 and change location-plate 69 under yard support, changes yard support 36 Tenons and is fixedly mounted on and changes on yard support location-plate 68 and change under yard support on location-plate 69; Have and change yard pull rod slot 37 changing changing on yard support 36 above location-plate 68 on yard support, change yard stretching bar 38 and be arranged on and change in yard pull rod slot 37 by bearing pin; Changing yard front portion of stretching bar 38 is arranged in the cylinder plate installation cavity through back side panel 47, button push rod clutch plate 21, locking plate protection after-poppet 9 and locking plate protection fore-stock 73 successively.Tenon is the connected mode of a kind of concavo-convex combination of adopting on two members; Projection is tenon (or tenon); Recess, the fourth of the twelve Earthly Branches (or mortise, tongue-and-groove), by the mutual locking of projection and recess, links together two members.

as required, be installed with the shell fragment mounting blocks in ratchet 15 front portions, be installed with ratchet 15 rear ends vertically are pressed on to the compression shell fragment in ratchet slot 14 in the rear end of shell fragment mounting blocks, compress shell fragment and be concave arc shape, the bottom that compresses shell fragment is pressed in ratchet 15 rear upper end faces; The changing on yard support location-plate 68 and change under yard support on location-plate 69 Tenon respectively push rod shell fragment fixed mount 71 is installed of the left and right sides that changes yard support 36, in the inboard of push rod shell fragment fixed mount 71, install respectively and can make push rod limiting tooth 20 hold out against the metal clips at button ratchet slot 14; The bottom of metal clips is pressed in respectively the upper surface of button push rod 17.Compress shell fragment and metal clips and play the spacing effect of vertical compression.

as shown in accompanying drawing 1,2, on the mandrel 2 of the both sides, front and back of lock collar monodentate cam 5, locking bar front side board 70 and locking bar back side panel 62 are installed; The two ends, left and right of locking bar front side board 70 and locking bar back side panel 62 are installed together with rocking lever bracing strut 63 Tenons of both sides respectively; The bottom of locking bar front side board 70 and locking bar back side panel 62 and lock bottom plate 61 Tenons are installed together; The through hole 58 corresponding with vertical slotted hole 43 arranged on the top of locking bar front side board 70 and locking bar back side panel 62, and rocking lever 41 is positioned at through hole 58 and vertical slotted hole 43.62 pairs of lock collar monodentate cams 5 of locking bar front side board 70 and locking bar back side panel and locking bar 6 play the effect of righting and cross spacing.

above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.

Claims

1. a button-type mechanical anti-theft puzzle lock, is characterized in that comprising dead bolt, lock core, turning handle and lockset shell; Password key plate, turning handle and dead bolt are installed on lockset shell, are provided with at least three buttons on the password key plate; Be equipped with in lockset shell and can control by button and turning handle the lock core of dead bolt motion; Lock core comprises lock core support body, mandrel, cylinder plate, zero clearing cam turntable, lock collar monodentate cam, locking bar, zero clearing plate, button linkage unit, locking plate and ratchet; Be installed with the lock core support body in lockset shell, in the lower horizontal of lock core support body, the mandrel that can rotate be installed; The front end of mandrel and the turning cylinder of turning handle link together; The cylinder plate that can be along the longitudinal movement is installed on mandrel, and cylinder plate is positioned at the lock core support body; Bottom in cylinder plate is equipped with linkage rack, before and after cylinder plate, on the mandrel of both sides, is installed with respectively the monodentate cam, and the outer wheel face of monodentate cam is against respectively the upper surface of linkage rack; Be installed with successively the zero clearing cam turntable and can control the lock collar monodentate cam that dead bolt moves to front by rear on the mandrel of linkage rack front side, lock collar monodentate cam and dead bolt link together; Be separately installed with zero clearing plate and the locking bar be along the longitudinal movement in the lock core support body of zero clearing cam turntable and lock collar monodentate cam upper end; The outer wheel face of zero clearing cam turntable withstands on the lower surface of zero clearing plate; The fan-shaped groove of opening upwards is arranged on the outer wheel face of lock collar monodentate cam, and the lower end of locking bar is positioned at groove; Angle between the left side of locking bar and groove left end is between 10 ° to 20 °, and the angle between the right side of locking bar and groove right-hand member is between 45 ° to 50 °; The reverse transmission that can make both oppositely move is installed between the top of locking bar and cylinder plate; Cylinder plate, locking bar and zero clearing plate are respectively and the zero clearing back-moving spring that can make its vertical return is installed between the lock core support body; Or/and right side is respectively equipped with top-down open slot corresponding to number of keys, the locking plate that can make the cylinder plate longitudinal spacing is arranged in open slot in the upper left-hand of cylinder plate, before and after locking plate, run through and be arranged on the lock core support body; Be provided with the locking plate groove on locking plate; Before and after the top of lock core support body, run through be equipped with can with the button linkage unit of button transverse linkage, front end and the button of button linkage unit link together; Locking plate and button linkage unit laterally locking are installed together; The coding tooth bar back-moving spring that can make its horizontal return is installed on the button linkage unit; Be provided with the ratchet slot of at least two in the upper end of button linkage unit, on the lock core support body, being equipped with can be by making the spacing ratchet in button linkage unit front and back with the ratchet slot engagement, and ratchet is hingedly mounted in the lock core support body by bearing pin; In the left side of zero clearing plate, or/and there is pawl pockets on right side, ratchet is positioned at pawl pockets.

2. button-type mechanical anti-theft puzzle lock according to claim 1, is characterized in that the button linkage unit comprises button push rod and coding tooth bar; Run through the coding tooth bar is installed before and after on the lock core support body, coding tooth bar left end parallel interval at lock core support body rear side is installed with push rod connection clamp, connect at push rod on the lock core support body of upper end of clamp and run through the button push rod is installed, in the lower end of button push rod, the push rod limiting tooth is arranged, be provided with at least two energy in the upper end of push rod connection clamp and be connected teeth groove with the push rod of push rod limiting tooth engagement; There is sagittal horizontal spring mounting groove at coding tooth bar middle part in lock core support body inside, and coding tooth bar back-moving spring is installed in the horizontal spring mounting groove.

3. button-type mechanical anti-theft puzzle lock according to claim 2, it is characterized in that, in the lock core support body in cylinder plate the place ahead, the button push rod clutch plate parallel with cylinder plate is installed, the hollowed-out board that button push rod clutch plate is inner hollow, button push rod clutch plate is sleeved on the outside of button push rod, coding tooth bar and locking plate; In the inside left of button push rod clutch plate, or/and right side is respectively equipped with clutch plate opening draw-in groove, button push rod longitudinal spacing respectively is arranged in clutch plate opening draw-in groove; Be installed with the clutch plate adjustment cam on the mandrel corresponding with button push rod clutch plate, the bayonet socket that the semicircle arcuation is arranged in the upper end of clutch plate adjustment cam, the arc fixture block of the oriented lower process in lower end of the button push rod clutch plate corresponding with bayonet socket, the bottom of arc fixture block is positioned at bayonet socket; Be installed with slide block lock core base in the lock core support body of the front side of button push rod clutch plate, slide block lock core base sheath is contained on mandrel; Slide block lock core base below button push rod clutch plate has slide block slippage slotted hole, is set with the slide block that can move left and right along slide block slippage slotted hole in slide block slippage slotted hole, and the rear upper end face of slide block withstands on the button push rod clutch plate bottom in arc fixture block left side; Be installed with the bidentate cam on the front side mandrel of slide block lock core base, on the outer ring surface of the top of bidentate cam, there is the slide block of arc to move regulating tank, the front portion of slide block is positioned at the left part that slide block moves regulating tank, and the left side of slide block withstands on the inside left end that slide block moves regulating tank.

4. according to claim 1 or 2 or 3 described button-type mechanical anti-theft puzzle locks, it is characterized in that the zero clearing cam turntable comprises zero clearing cam disk body; On the external anchor ring of zero clearing cam disc top, fan groove is arranged, the zero clearing cam disk body top of fan groove both sides is circular-arc; The fan groove bottom withstands on the lower surface of zero clearing plate.

5. according to the described button-type mechanical anti-theft puzzle lock of claim 1 to 4 any one, the locking plate that it is characterized in that lock core support body rear side is provided with the block mounting groove to lower recess, change a yard brace by hinged being equipped with of bearing pin in the block mounting groove, be respectively equipped with at the two ends, left and right that change yard brace and regulate fixture block and engage a gear fixture block; A change yard draw-in groove identical with ratchet slot quantity arranged on the coding tooth bar corresponding with the block mounting groove, and the engage a gear fixture block is positioned at and changes a yard draw-in groove; Be installed with and change a yard support in the lock core support body rear end on locking plate right side, be respectively equipped with sagittal change a yard slippage slot corresponding with the block mounting groove changing on yard support, regulate the fixture block longitudinal spacing and be arranged on and change in yard slippage slot; The sagittal yard pull rod slot that changes is arranged in the upper end that changes yard support, is equipped with in changing yard pull rod slot and changes a yard stretching bar, change yard support and changing on yard stretching bar have respectively pin-and-hole and after obliquely change a yard inclined hole, at pin-and-hole with change in yard inclined hole bearing pin is installed; Change yard front portion of stretching bar and be positioned at the lock core support body; Have and change a yard pull bar draw-in groove changing yard front lower ends of stretching bar, the upper end of cylinder plate is stuck in and changes in yard pull bar draw-in groove.

6. according to the described button-type mechanical anti-theft puzzle lock of claim 1 to 5 any one, it is characterized in that, on the cylinder plate of mobile spacing slotted hole below, downward opening breach is arranged, breach is separated into left side plate and right side plate by the bottom of cylinder plate; Linkage rack is sleeved on left side plate and right side plate; The bottom of the linkage rack between left side plate and right side plate is installed with lock core base spring backstay, the left side plate of lock core base spring backstay downside and the riveted joint of the bottom of right side plate are installed with the lock core base, at the lock core base, the intercommunicating pore corresponding with lock core base spring backstay arranged, be set with the lock core back-moving spring on lock core base spring backstay, the upper end of lock core back-moving spring withstands on the lower surface of linkage rack, and the lower end of lock core back-moving spring withstands on the upper surface of lock core base.

7. according to the described button-type mechanical anti-theft puzzle lock of claim 1 to 6 any one, it is characterized in that reverse transmission comprises rocking lever; The spacing slotted hole of vertical movement is arranged in the bottom of cylinder plate, and cylinder plate is sleeved on mandrel by mobile spacing slotted hole; The vertical slotted hole that mutual correspondence is arranged respectively on locking bar, zero clearing plate and cylinder plate above lock collar monodentate cam, zero clearing cam turntable and mobile spacing slotted hole, by bearing pin, the rocking lever that can swing up and down is installed in the lock core support body corresponding with vertical slotted hole, rocking lever is positioned at vertical slotted hole; The upper end, front side of rocking lever withstands on the lower surface of vertical slotted hole of cylinder plate, and the rear side lower end of rocking lever is against on the lower surface of vertical slotted hole of locking bar; Cylinder plate moves down and promotes the rocking lever rear end, because of lever principle, on the rocking lever front end, carries, and moves on the drive locking bar, makes locking bar break away from groove.

8. button-type mechanical anti-theft puzzle lock according to claim 7, it is characterized in that the lock core support body comprise front side board, back side panel, transversely fixed head, laterally bottom plate, ratchet support, spring-support plate, lock bottom plate, rocking lever bracing strut, left plate, right plate, change on yard support location-plate and change location-plate under yard support; In the left and right sides of front side board and back side panel, Tenon is equipped with left plate and right plate respectively, between the front portion of front side board, back side panel, left plate and right plate front portion, forms the cylinder plate installation cavity, and in the upper end of cylinder plate installation cavity, Tenon is equipped with top board; Be installed with transversely fixed head and laterally bottom plate by the Tenon interval successively from top to bottom in the cylinder plate installation cavity; Fixed head is interval with three parallel installation slotted holes with front and back on horizontal bottom plate in the horizontal; Zero clearing plate, cylinder plate and button push rod clutch plate vertically are arranged on fixed head transversely and laterally in the installation slotted hole of bottom plate from front to back successively; The transversely fixed head of the left and right sides of cylinder plate and laterally on bottom plate Tenon locking plate protection fore-stock and locking plate protection after-poppet are installed; On locking plate protection fore-stock and locking plate protection after-poppet, the locking plate support limit groove corresponding with open slot arranged respectively; The set hole that communicates corresponding with button before and after being distributed with on front side board and back side panel; Every group of set hole comprises respectively push rod installing hole, coding tooth bar installing hole and locking plate installing hole, button push rod, coding tooth bar and locking plate level respectively are arranged in push rod installing hole, coding tooth bar installing hole and locking plate installing hole, and button push rod, coding tooth bar and locking plate are transversely between fixed head and horizontal bottom plate; Coding tooth bar back-moving spring is installed on the coding tooth bar, and the front end of coding tooth bar back-moving spring withstands on front side board, and the rear end of coding tooth bar back-moving spring withstands on back side panel; The transversely fixed head of the zero clearing plate left and right sides and laterally bottom plate the left and right sides respectively Tenon the ratchet support is installed, pin shaft hole corresponding to left and right arranged respectively on the ratchet support, ratchet is arranged on the ratchet support by bearing pin; In cylinder plate installation cavity below horizontal bottom plate, interval is equipped with spring-support plate, be interval with four trepannings before and after on spring-support plate, the bottom of button push rod clutch plate, cylinder plate, zero clearing plate and the top of locking bar are arranged in trepanning by rear extremely front longitudinal spacing successively; Laterally on the button push rod clutch plate between bottom plate and spring-support plate, cylinder plate, zero clearing plate, be separately installed with the zero clearing back-moving spring; Be installed with locking bar on the locking bar above spring-support plate, between locking bar and horizontal bottom plate, the zero clearing back-moving spring be installed; Corresponding axis hole is arranged respectively on the front side board below spring-support plate and back side panel, before and after mandrel, run through and be arranged in axis hole; Lock collar monodentate cam, zero clearing cam turntable, cylinder plate, bidentate cam, slide block lock core base and clutch plate adjustment cam are installed on the mandrel in the cylinder plate installation cavity from front to back successively; In the lower end of cylinder plate installation cavity, Tenon is equipped with lock bottom plate, and the bottom Tenon of slide block lock core base is arranged on lock bottom plate; Be provided with base installing hole on the lock bottom plate of slide block lock core base front side, linkage rack is sleeved in base installing hole; The left and right sides of the cylinder plate installation cavity inside below spring-support plate Tenon respectively is equipped with the rocking lever bracing strut, and hinge hole is arranged respectively on the rocking lever bracing strut, and rocking lever is arranged on the rocking lever bracing strut by bearing pin; Between the left plate at back side panel rear and right plate, Tenon is installed with and changes on yard support location-plate and change location-plate under yard support, changes a yard support Tenon and is fixedly mounted on and changes on yard support location-plate and change under yard support on location-plate; Have and change a yard pull rod slot changing changing on yard support above location-plate on yard support, change yard stretching bar and be arranged on and change in yard pull rod slot by bearing pin; Changing yard front portion of stretching bar is arranged in the cylinder plate installation cavity through back side panel, button push rod clutch plate, locking plate protection after-poppet and locking plate protection fore-stock successively.

9. button-type mechanical anti-theft puzzle lock according to claim 8, it is characterized in that the ratchet front portion is installed with the shell fragment mounting blocks, be installed with the ratchet rear end vertically is pressed on to the compression shell fragment in ratchet slot in the rear end of shell fragment mounting blocks, compress shell fragment and be concave arc shape, the bottom that compresses shell fragment is pressed in ratchet rear upper end face; The changing on yard support location-plate and change under yard support on location-plate Tenon respectively push rod shell fragment fixed mount is installed of the left and right sides that changes yard support, in the inboard of push rod shell fragment fixed mount, install respectively and can make the push rod limiting tooth hold out against the metal clips at the button ratchet slot; The bottom of metal clips is pressed in respectively the upper surface of button push rod.

10. button-type mechanical anti-theft puzzle lock according to claim 8 or claim 9, is characterized in that, on the mandrel of both sides, front and back of lock collar monodentate cam, locking bar front side board and locking bar back side panel are installed; The two ends, left and right of locking bar front side board and locking bar back side panel are installed together with the rocking lever bracing strut Tenon of both sides respectively; The bottom of locking bar front side board and locking bar back side panel and lock bottom plate Tenon are installed together; On the top of locking bar front side board and locking bar back side panel, the through hole corresponding with vertical slotted hole arranged, rocking lever is positioned at through hole and vertical slotted hole.