CN107269126A

CN107269126A - A kind of theftproof lock

Info

Publication number: CN107269126A
Application number: CN201710467696.2A
Authority: CN
Inventors: 韩旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2017-10-20
Anticipated expiration: 2037-06-20
Also published as: CN107269126B; KR101874331B1

Abstract

A kind of theftproof lock, include the first installing plate and the second installing plate, strip hole is set on second installing plate, sliding shoe is installed in strip hole, sliding shoe can be moved along strip hole length direction, sliding shoe one end is connected with sliding panel, L-type guide plate is set on the second installing plate of sliding panel both sides, sliding panel can be moved along the length direction of L-type guide plate when sliding shoe is moved, the sliding shoe other end is connected with connecting plate, limiting through hole is opened up on connecting plate, lockset box is installed on the first installing plate, slot is opened up on lockset box, connecting plate is inserted into slot, when sliding shoe is moved to the one end of strip hole away from the first installing plate.It drives the mechanical structure of turntable rotation to input password using turnbarrel, effectively prevents peep of cipher, the security etc. of cipher input is substantially improved.

Description

A kind of theftproof lock

Technical field

The present invention relates to a kind of coded lock, specifically a kind of theftproof lock.

Background technology

The lock of Current Password formula has been widely applied to use on the fields such as daily life, security, lock Cipher input be broadly divided into electronic touching type I and mechanical, the advantage of electronic touching type I cipher input is defeated every time It can upset key position before entering, can avoid peeping key position and order to obtain password by people, but electronic touch screen passes through Circuit transmits password, is easily disturbed by electronic jamming device, password is easily intercepted and captured by criminal with special equipment；Machinery The key position of formula cipher input is fixed, it is impossible to upset keystroke sequence, easily by people's snooping password, mechanical code input Also include the rotary-type input unit of a class in device, switch character code by rotating character wheel and realize Password Input, this kind of password is defeated Enter device it is possible to being recorded the angle of rotation character wheel every time by video capture equipment by criminal, through analysis and on a small quantity Experiment try out password.

The content of the invention

It is an object of the invention to provide a kind of theftproof lock, it drives the mechanical structure of turntable rotation come defeated using turnbarrel Enter password, password can be avoided to be disturbed and intercepted and captured by electronic equipment, the position of rotating disk can change at random after every defeated password, i.e., Make criminal record input password twice between the anglec of rotation of turnbarrel can not also deduce the character code currently inputted, Peep of cipher can be effectively prevented, the security of coded lock is substantially improved.

The present invention to achieve the above object, is achieved through the following technical solutions：Including the first installing plate and the second installing plate, Set on second installing plate and sliding shoe is installed in strip hole, strip hole, sliding shoe can be moved along strip hole length direction, slided Block one end is connected with sliding panel, and L-type guide plate, sliding panel energy when sliding shoe is moved are set on the second installing plate of sliding panel both sides Enough to be moved along the length direction of L-type guide plate, the sliding shoe other end is connected with connecting plate, and limiting through hole is opened up on connecting plate, the Installed on one installing plate on lockset box, lockset box and open up slot, connecting plate is inserted into slot, and sliding shoe is moved to strip hole During one end of remote first installing plate, connecting plate can be removed out of slot, and motor is installed in lockset box, motor Output shaft is engaged by drive gear with driven rack, and driven rack is arranged on guide rod, and guide plate is set in lockset box, is oriented to Plate coordinates with guide rod, and motor is risen by drive gear and driven rack drive leader, and lower end of the guide rod is connected with dead bolt, is locked Dead bolt actuation spring is installed, when motor does not work, dead bolt actuation spring can promote dead bolt to decline between tongue and guide plate Reset, when in connecting plate insertion slot, dead bolt is inserted into limiting through hole, and dead bolt side is domatic, and connecting plate is into slot During insertion, connecting plate end is contacted with domatic, sets external power interface and unblock button on lockset box, external power interface with The power input connection of motor, unblock button can start on motor, motor after motor energization Crypto Control Unit is set, and Crypto Control Unit can control the break-make of motor circuit, the Password Input circuit of Crypto Control Unit It is connected with PIN PAD, the PIN PAD includes housing, housing is connected with the first installing plate, and housing top surface opens up circle Turnbarrel is installed, turnbarrel relative to housing lifting and can rotate, rotary sleeve in manhole in through hole, manhole Cylinder bottom periphery sets limited block, and when limited block rises to extreme position, limited block can connect with the housing on the outside of manhole Touch, turnbarrel top surface sets shrouding, shrouding makes for transparent material, inner walls set bulge loop, bulge loop top surface installs first Spring, the first spring top is connected with ring washer, and ring washer is contacted with turnbarrel bottom surface, and bulge loop inwall is arranged at intervals many Individual support, each support is connected with supporting plate, and supporting plate top surface is installed outside the swivel nut installed and coordinated with screw mandrel on screw mandrel, screw mandrel, swivel nut Week is connected by unilateral bearing with rotating disk, is installed between swivel nut and supporting plate and annular briquetting, annular are set above second spring, rotating disk Briquetting is connected with shrouding, when turnbarrel is moved down, and annular briquetting can promote rotating disk together to move down, and rotating disk lateral wall border is set Ratchet, turnbarrel inwall is installed and the supporting ratchet of ratchet, and reduction torsion spring, ratchet and ratchet engagement are installed in the rotating shaft of ratchet Turnbarrel can drive rotating disk to allow the direction of rotation to rotate to unilateral bearing afterwards, and rotating disk top surface sets multiple character code blocks, each word Code block is evenly distributed in a ring in rotating disk top surface, and rotating disk bottom surface is installed in the housing below projection, bulge loop and installs transverse slat, transverse slat top Face is provided with multiple Password Input buttons, and each Password Input button is evenly distributed in a ring in transverse slat top surface, Password Input button Quantity is identical with the quantity of character code block, each button inputted code content of Password Input and the character code content write on each character code block Correspond, Password Input bit identification, when rotating disk is together moved down with turnbarrel, projection are set on the housing of turnbarrel side A Password Input button corresponding with the character code block content that Password Input bit identification aligns can be pressed.The transverse slat can be Lift, contacted when transverse slat rises to extreme position with bulge loop bottom surface in housing, projection can be by next after now rotating disk declines Password Input button, after transverse slat declines, projection can not touch Password Input button, set and draw between transverse slat and housing bottom Spring, housing bottom is set pacifies on the roller for being respectively mounted and coordinating with guide rail on the guide rail that bright wisp is parallel to each other, each guide rail, each roller Pole is filled, each pole upper end is hinged with transverse slat bottom surface, connected between two poles by transverse axis, transverse axis set is installed on transverse axis Pipe, transverse axis sleeve pipe can be rotated around the axis of transverse axis, and housing side outer wall is set to be provided with lock housing, lock housing and opened and closed using key Lock core, crank is installed, one end of crank and connecting rod is hinged, and the connecting rod other end is cut with scissors with transverse axis sleeve pipe on the rotary part of lock core Connect, key can drive crank-swinging, can be pushed or pull on and be opened up on the lower end of pole, guide rail by connecting rod during crank-swinging Arc positioning groove, when pole is vertical with transverse slat, roller is located in arc positioning groove, and now transverse slat is contacted with bulge loop bottom surface.Annular Briquetting bottom surface sets friction pad.The quantity of the support is identical with the quantity of Password Input button, the space between adjacent stent Positioned at the surface of Password Input button.When in dead bolt insertion limiting through hole, sliding panel can be by the first installing plate below And the second seam covering between installing plate.

The advantage of the invention is that：It drives the mechanical structure of turntable rotation to input password using turnbarrel, can keep away Exempt from password to be disturbed and intercepted and captured by electronic equipment, the position of rotating disk can change at random after every defeated password, even if criminal The anglec of rotation of turnbarrel can not also deduce the character code currently inputted between recording input password twice, can effectively prevent Only peep of cipher, is substantially improved security of cipher input etc..

Brief description of the drawings

Fig. 1 is the structural representation of the present invention, is locking states shown in figure；

Fig. 2 be in Fig. 1 A to structural representation；

Fig. 3 is the released state structural representation of structure shown in Fig. 2；

Fig. 4 is B-B cross section structure diagrams in Fig. 1；

Fig. 5 is C-C cross section structure diagrams in Fig. 4；

Fig. 6 is the structural representation after transverse slat is moved down in structure shown in Fig. 4；

Fig. 7 be in Fig. 4 D to mplifying structure schematic diagram；

Fig. 8 be in Fig. 6 E to mplifying structure schematic diagram.

Embodiment

A kind of theftproof lock of the present invention includes setting on the first installing plate 1 and the second installing plate 2, the second installing plate 2 Sliding shoe 402 is installed, sliding shoe 402 can be moved along the length direction of strip hole 401 in strip hole 401, strip hole 401, slided The one end of block 402 is connected with sliding panel 403, and L-type guide plate 404, sliding shoe are set on the second installing plate 2 of the both sides of sliding panel 403 Sliding panel 403 can be moved along the length direction of L-type guide plate 404 during 402 movement, the other end of sliding shoe 402 and connecting plate 201 Open up to install on limiting through hole 202, the first installing plate 1 on connection, connecting plate 201 and open up slotting on lockset box 203, lockset box 203 Groove 204, connecting plate 201 is inserted into slot 204, and sliding shoe 402 is moved to one of strip hole 401 away from the first installing plate 1 During end, connecting plate 201 can be removed out of slot 204, install motor 205 in lockset box 203, motor 205 it is defeated Shaft is engaged by drive gear 206 with driven rack 207, and driven rack 207 is arranged on guide rod 208, is set in lockset box 203 Guide plate 211 is put, guide plate 211 coordinates with guide rod 208, motor 205 is driven by drive gear 206 and driven rack 207 Dynamic guide rod 208 rises, and the lower end of guide rod 208 is connected with dead bolt 209, and dead bolt actuation spring is installed between dead bolt 209 and guide plate 211 212, when motor 205 does not work, dead bolt actuation spring 212 can promote dead bolt 209 to decline reset, and connecting plate 201 is inserted When in slot 204, dead bolt 209 is inserted into limiting through hole 202, and the side of dead bolt 209 is domatic 210, and connecting plate 201 is to slot 204 interpolations are fashionable, and the end of connecting plate 201 is contacted with domatic 210, set external power interface 213 and unblock to press on lockset box 203 Button 216, external power interface 213 is connected with the power input of motor 205, and unblock button 216 is logical in motor 205 Setting Crypto Control Unit 215 on motor 205, motor 205 can be started after electricity, Crypto Control Unit 215 can be controlled The break-make of the circuit of motor 205, the Password Input circuit of Crypto Control Unit 215 is connected with PIN PAD, and the password is defeated Entering device includes housing 101, and housing 101 is connected with the first installing plate 1, and the top surface of housing 101 opens up manhole 102, manhole Turnbarrels 103 are installed, turnbarrel 103 relative to housing 101 can be lifted and rotate in manhole 102, rotation in 102 The bottom periphery of sleeve 103 sets limited block 104, when limited block 104 rises to extreme position, and limited block 104 can be logical with circle The housing 101 in the outside of hole 102 is contacted, and the top surface of turnbarrel 103 sets shrouding 105, and shrouding 105 makes for transparent material, housing 101 inwalls set bulge loop 106, and the top surface of bulge loop 106 installs the first spring 113, and the top of the first spring 113 connects with ring washer 116 Connect, ring washer 116 is contacted with the bottom surface of turnbarrel 103, the inwall of bulge loop 106 is arranged at intervals multiple supports 107, each support 107 It is connected with supporting plate 108, the top surface of supporting plate 108 installs the swivel nut 110 installed and coordinated with screw mandrel 109 on screw mandrel 109, screw mandrel 109, spiral shell Cover 110 peripheries to be connected with rotating disk 112 by unilateral bearing 111, second spring 115 is installed between swivel nut 110 and supporting plate 108, turn The top of disk 112 sets annular briquetting 114, and annular briquetting 114 is connected with shrouding 105, when turnbarrel 103 is moved down, annular briquetting 114 can promote rotating disk 112 together to move down, the lateral wall border of rotating disk 112 set ratchet 121, the inwall of turnbarrel 103 install with Reduction torsion spring 123 is installed, ratchet 122 revolves after being engaged with ratchet 121 in the supporting ratchet 122 of ratchet 121, the rotating shaft of ratchet 122 Rotaring sleeve 103 can drive rotating disk 112 to allow the direction of rotation to rotate to unilateral bearing 111, and the top surface of rotating disk 112 sets multiple character codes Block 117, each character code block 117 is evenly distributed in a ring in the top surface of rotating disk 112, and the bottom surface of rotating disk 112 is installed under projection 118, bulge loop 106 Transverse slat 119 is installed, the top surface of transverse slat 119 is provided with multiple Password Input buttons 120, each Password Input button 120 in the housing 101 of side Evenly distributed in a ring in the top surface of transverse slat 119, the quantity of Password Input button 120 is identical with the quantity of character code block 117, each password The code content that load button 20 is inputted is corresponded with the character code content write on each character code block 17, the side of turnbarrel 3 Password Input bit identification 901 is set on housing 101, and when rotating disk 112 is together moved down with turnbarrel 103, projection 118 can be pressed A Password Input button 120 corresponding with the content of character code block 117 that Password Input bit identification 901 aligns.State of the present invention When, in the insertion slot 204 of connecting plate 201, while in the limiting through hole 202 of the insertion connecting plate 201 of dead bolt 209, now connecting plate 201 are fixed among slot 204, and connecting plate 201 is integral by the first installing plate 1 and the locking of the second installing plate 2.When need to unlock, Operator need to dock the output interface of portable power source with external power interface 213, power, then pass through to motor 205 PIN PAD, which inputs correct password, unlocks motor 205, and operator presses unblock button 216 and can started after unblock Motor 205 is by the pull-out out of limiting through hole 202 by dead bolt 209 of drive leader 208, and now operator can stir slip Plate 403 drives sliding shoe 402 to be moved to the one end of strip hole 401 away from the first installing plate 1, makes connecting plate 201 out of slot 204 Remove, now the first installing plate 1 and the second installing plate 2 are separated from each other, as released state.During installation, by of the present invention One installing plate 1 and the second installing plate 2 are separately mounted to need in the door body and doorframe of locking, or installed in need locking two fan doors Between body.When need to lock, operator stirs sliding panel 403 and drives sliding shoe 402 to strip hole 401 close to the first installing plate 1 One end is moved, and connecting plate 201 is inserted in slot 204, the end of connecting plate 201 is contacted with domatic the 210 of dead bolt 209, promotes lock Tongue 209 rises, and the end of the end of connecting plate 201 is by rear, and dead bolt 209 resets under the elastic force effect of dead bolt actuation spring 212, In the limiting through hole 202 for inserting connecting plate 201, realize and lock.Print or be carved with the character code block 117 of the PIN PAD The contents such as character code, confirmation, the cancellation of password, user is by transparent shrouding 105 it can be seen that the inside rotating disk 112 of housing 101 The content of upper character code block 117, the visible angle of character code block 117 concentrates on the top of shrouding 105, is only observed for user, Bie Rencong Side can not see content.When inputting password, user rotates turnbarrel 103 to the direction that ratchet 122 is engaged with ratchet 121 It can be rotated by ratchet 122 with the drive rotating disk 112 of ratchet 121, it would be desirable to which the character code of input is gone to after input position, presses rotation Sleeve 103, the projection 118 of the bottom surface of rotating disk 112 presses the Password Input button 120 of correspondence position, completes a character code input. In the folding process of rotating disk 112, swivel nut 110 rotates relative to screw mandrel 109, now the relative rotation side between rotating disk 112 and swivel nut 110 To allowing the direction of rotation for unilateral bearing 111, therefore rotating disk 112 will not be rotated when moving down, after character code input is finished, user Turnbarrel 103 is unclamped, turnbarrel 103 rises reset in the presence of the first spring 113, while rotating disk 112 is in the second bullet Rise in the presence of spring 115 and reset, in the uphill process of rotating disk 112, swivel nut 110 is reversely rotated, now rotating disk 112 and swivel nut 110 Between relatively rotate the locking direction that direction is unilateral bearing 111, therefore rotating disk 112 rotates together with swivel nut 110, swivel nut Stopped operating after 110 arrival top limit positions, now the relative rotation direction between rotating disk 112 and swivel nut 110 is changed into single again Allow the direction of rotation to bearing 111, therefore rotating disk 112 can still continue spin for some time under effect of inertia, rotating disk 112 revolves During turning, ratchet 122 will not be engaged with ratchet 121.When need to input next bit character code, user is again to ratchet 122 and spine The direction that tooth 121 is engaged rotates turnbarrel 103, and rotating disk 112 can be driven to rotate, and next bit character code is gone into input position is carried out Input.The rotational velocity of rotating disk 12 and time are relevant with the speed that user unclamps turnbarrel 103 after each input word, Therefore the angle stopped after the rotation of rotating disk 112 is uncertain, and criminal rotates when can not be by recording next input word The angle that sleeve 103 is rotated infers the content of character code.The present invention can be achieved to upset character code position after often inputting a password, There is stronger anti-interference and anti-peeping performance compared with existing password input unit, can significantly strengthen the security of coded lock. The inside of Password Input button of the present invention 120 can install a variety of circuits, electromagnetism or electronic component to produce signal, for example can be Metal contact piece is installed, the lower section of Password Input button 120 sets switching circuit board, Password Input button in Password Input button 120 120, which press rear metal contact piece, turns on switching circuit board related circuit, exports close to the Crypto Control Unit 215 of motor 205 Code information etc..By the content write on each character code block 117 for " 0,1,2,3 ... 9, determine, cancel " exemplified by, each character code block is by upper Order arranged clockwise on rotating disk 112 is stated, then each Password Input button 120 arranged counterclockwise in the order on transverse slat 119, When the character code block of writing " 0 " aligns with Password Input bit identification 901, projection 118 is pressed positioned at the Password Input that can input " 0 " password Above button, this password " 0 " can be inputted by now pressing turnbarrel 103, it is assumed that next bit password is " 2 ", then turns counterclockwise Dynamic turnbarrel 103 makes the character code block of writing " 2 " be alignd with Password Input bit identification 901, and projection 118 is with rotating disk during this 112 are rotated counterclockwise to and can input above the Password Input button of " 2 " password, and this can be inputted by now pressing turnbarrel 103 Position password " 2 ".External power interface 213 of the present invention can also be carried using the interface of special non-standard shapes with user Special mobile power supply connection, now user carry special mobile power supply can turn into unblock key, further increase The difficulty of criminal's decryption lock.

The present invention can use following structures to further lift the security of coded lock：The transverse slat 119 can be in shell Lift, contacted when transverse slat 119 rises to extreme position with the bottom surface of bulge loop 106 in body 101, projection 118 after now rotating disk 112 declines Next Password Input button 120 can be pressed, after transverse slat 119 declines, projection 118 can not touch Password Input button, transverse slat Extension spring 124 is set between 119 and the bottom of housing 101, and the bottom of housing 101 sets two guide rails 125 being parallel to each other, each guide rail The roller 126 coordinated with guide rail is respectively mounted on 125, pole 127 is respectively mounted on each roller 126, each upper end of pole 127 is and transverse slat 119 bottom surfaces are hinged, and are connected between two poles 127 by transverse axis 128, and transverse axis sleeve pipe 129, transverse axis sleeve pipe are installed on transverse axis 128 129 can rotate around the axis of transverse axis 128, and the side outer wall of housing 101, which sets to be provided with lock housing 130, lock housing 130, uses key Crank 133 is installed on 131 lock cores 132 opened and closed, the rotary part of lock core 132, one end of crank 133 and connecting rod 134 is hinged, even The other end of bar 134 is hinged with transverse axis sleeve pipe 129, and key 131 can drive crank 133 to swing, and crank 133 can pass through when swinging Connecting rod 134 pushes or pull on and arc positioning groove 135 is opened up on the lower end of pole 127, guide rail 125, and pole 127 is hung down with transverse slat 119 When straight, roller 126 is located in arc positioning groove 135, and now transverse slat 119 is contacted with the bottom surface of bulge loop 106.The structure uses key 131 band motion plates 119 are lifted, and when only transverse slat 119 rises to top limit position, projection 118 can touch password Load button inputs password, therefore the structure can realize secondary safety lock function, that is, input before the password of coded lock, it is necessary to first Password could be inputted by being risen transverse slat 119 using key 131, and individually possessing key 131 or individually knowing the cipher can not unlock. In the structure, after transverse slat 119 rises, connecting rod 134 is vertical with transverse slat 119, and the roller 126 of the end of connecting rod 134 is positioned positioned at arc Positioning action is played in groove 135, prevents connecting rod 134 is unexpected from tilting, now connecting rod 134 is formed from the bottom of transverse slat 119 to transverse slat 119 Support, the bottom surface of bulge loop 106 is contacted with the top surface border of transverse slat 119, and the structure is inclined when can prevent transverse slat from being pressed by projection 118 Tiltedly, it is ensured that projection 118 being capable of accurate pressing code load button 120.

The present invention can be set to prevent the unintentional rotation of rotating disk 112 when rotating disk 112 is moved down in the annular bottom surface of briquetting 114 Friction pad 136.When turnbarrel 103 is moved down, the friction pad 136 of the annular bottom surface of briquetting 114 is contacted with rotating disk 112, increase annular Frictional force between briquetting 114 and rotating disk 112, turnbarrel 103 and rotating disk 112 rise after reset, friction pad 136 and rotating disk 112 separation.

The present invention causes projection in order to avoid being shifted when user is by character code block alignment input position to be entered 118 press two Password Input buttons 120 simultaneously, can use following structures：The quantity of the support 107 and Password Input button 120 quantity is identical, and the space between adjacent stent 107 is located at the surface of Password Input button 120.The structure passes through support 107 form cut-off between Password Input button 120, and projection 118 only can be just in the surface of Password Input button 120 Often move down, otherwise can be stopped by support 107, it is ensured that the accuracy of character code input.

The present invention in locking in order to prevent criminal from being used in the seam crossing of the first installing plate 1 and the second installing plate 2 Picklock stirs dead bolt 209 and realizes technology unlocking, can use following structures：It is sliding when in the insertion limiting through hole 202 of dead bolt 209 Dynamic plate 403 can cover the seam between the first installing plate 1 and the second installing plate 2 below.The structure is led in locking The key position for crossing the seam of the installing plate 2 of 403 pair of first installing plate of sliding panel 1 and second is blocked, and can effectively prevent picking lock Tool contact further enhances the reliability of the present invention to dead bolt 209.

Claims

1. a kind of theftproof lock, it is characterised in that：Including the first installing plate（1）With the second installing plate（2）, the second installing plate（2）On Strip hole is set（401）, strip hole（401）Interior installation sliding shoe（402）, sliding shoe（402）Can be along strip hole（401）Length Direction is moved, sliding shoe（402）One end and sliding panel（403）Connection, sliding panel（403）Second installing plate of both sides（2）On set Put L-type guide plate（404）, sliding shoe（402）Sliding panel when mobile（403）Can be along L-type guide plate（404）Length direction move It is dynamic, sliding shoe（402）The other end and connecting plate（201）Connection, connecting plate（201）On open up limiting through hole（202）, first installs Plate（1）Upper installation lockset box（203）, lockset box（203）On open up slot（204）, connecting plate（201）It is inserted into slot （204）It is interior, sliding shoe（402）It is moved to strip hole（401）Away from the first installing plate（1）One end when, connecting plate（201）Can From slot（204）It is interior to remove, lockset box（203）Interior installation motor（205）, motor（205）Output shaft pass through drive Moving gear（206）With driven rack（207）Engagement, driven rack（207）Installed in guide rod（208）On, lockset box（203）Inside set Put guide plate（211）, guide plate（211）With guide rod（208）Coordinate, motor（205）Pass through drive gear（206）With it is driven Rack（207）Drive leader（208）Rise, guide rod（208）Lower end and dead bolt（209）Connection, dead bolt（209）With guide plate （211）Between install dead bolt actuation spring（212）, motor（205）When not working, dead bolt actuation spring（212）It can push away Dynamic dead bolt（209）Decline and reset, connecting plate（201）Insert slot（204）When interior, dead bolt（209）It is inserted into limiting through hole （202）It is interior, dead bolt（209）Side is domatic（210）, connecting plate（201）To slot（204）Interpolation is fashionable, connecting plate（201）End Portion with it is domatic（210）Contact, lockset box（203）Upper setting external power interface（213）And unblock button（216）, external power supply Interface（213）With motor（205）Power input connection, unblock button（216）In motor（205）Energy after energization Enough start motor（205）, motor（205）Upper setting Crypto Control Unit（215）, Crypto Control Unit（215）It can control Motor processed（205）The break-make of circuit, Crypto Control Unit（215）Password Input circuit be connected with PIN PAD, it is described PIN PAD includes housing（101）, housing（101）With the first installing plate（1）Connection, housing（101）Top surface opens up circular logical Hole（102）, manhole（102）Interior installation turnbarrel（103）, turnbarrel（103）Can be in manhole（102）Interior phase To housing（101）Lifting and rotation, turnbarrel（103）Bottom periphery sets limited block（104）, limited block（104）Rise to During extreme position, limited block（104）Can be with manhole（102）The housing in outside（101）Contact, turnbarrel（103）Top Face sets shrouding（105）, shrouding（105）Made for transparent material, housing（101）Inwall sets bulge loop（106）, bulge loop（106） Top surface installs the first spring（113）, the first spring（113）Top and ring washer（116）Connection, ring washer（116）With rotation Rotaring sleeve（103）Bottom surface is contacted, bulge loop（106）Inwall is arranged at intervals multiple supports（107）, each support（107）And supporting plate （108）Connection, supporting plate（108）Top surface installs screw mandrel（109）, screw mandrel（109）Upper installation and screw mandrel（109）The swivel nut of cooperation （110）, swivel nut（110）Periphery passes through unilateral bearing（111）With rotating disk（112）Connection, swivel nut（110）With supporting plate（108）Between Second spring is installed（115）, rotating disk（112）Top sets annular briquetting（114）, annular briquetting（114）With shrouding（105）Even Connect, turnbarrel（103）When moving down, annular briquetting（114）Rotating disk can be promoted（112）Together move down, rotating disk（112）Lateral wall Border sets ratchet（121）, turnbarrel（103）Inwall is installed and ratchet（121）Supporting ratchet（122）, ratchet（122）'s Reduction torsion spring is installed in rotating shaft（123）, ratchet（122）With ratchet（121）Turnbarrel after engagement（103）Rotating disk can be driven （112）To unilateral bearing（111）The direction of rotation is allowed to rotate, rotating disk（112）Top surface sets multiple character code blocks（117）, each word Code block（117）In rotating disk（112）Top surface is evenly distributed in a ring, rotating disk（112）Bottom surface is installed by projection（118）, bulge loop（106）Under The housing of side（101）Interior installation transverse slat（119）, transverse slat（119）Top surface is provided with multiple Password Input buttons（120）, each password is defeated Enter button（120）In transverse slat（119）Top surface is evenly distributed in a ring, Password Input button（120）Quantity and character code block（117） Quantity it is identical, each Password Input button（120）The code content of input and each character code block（117）The character code content one of upper writing One correspondence, turnbarrel（103）The housing of side（101）Upper setting Password Input bit identification（901）, rotating disk（112）With rotation Sleeve（103）When together moving down, projection（118）It can press and Password Input bit identification（901）The character code block of alignment（117）It is interior Hold a corresponding Password Input button（120）.

2. a kind of theftproof lock according to claim 1, it is characterised in that：The transverse slat（119）Can be in housing（101）It is interior Lifting, transverse slat（119）When rising to extreme position and bulge loop（106）Bottom surface is contacted, now rotating disk（112）Projection after decline （118）Next Password Input button, transverse slat can be pressed（119）After decline, projection（118）Can not touch Password Input by Button, transverse slat（119）With housing（101）Extension spring is set between bottom（124）, housing（101）Bottom sets what bright wisp was parallel to each other Guide rail（125）, each guide rail（125）On be respectively mounted with guide rail coordinate roller（126）, each roller（126）On be respectively mounted pole （127）, each pole（127）Upper end is and transverse slat（119）Bottom surface is hinged, two poles（127）Between pass through transverse axis（128）Even Connect, transverse axis（128）Upper installation transverse axis sleeve pipe（129）, transverse axis sleeve pipe（129）Can be around transverse axis（128）Axis rotation, housing （101）Side outer wall sets lock housing（130）, lock housing（130）On be provided with and use key（131）The lock core of keying（132）, lock core （132）Rotary part on crank is installed（133）, crank（133）With connecting rod（134）One end be hinged, connecting rod（134）The other end With transverse axis sleeve pipe（129）It is hinged, key（131）Crank can be driven（133）Swing, crank（133）Can be by even during swing Bar（134）Push or pull on pole（127）Lower end, guide rail（125）On open up arc positioning groove（135）, pole（127）With horizontal stroke Plate（119）When vertical, roller（126）Positioned at arc positioning groove（135）It is interior, now transverse slat（119）With bulge loop（106）Bottom surface connects Touch.

3. a kind of theftproof lock according to claim 1, it is characterised in that：Annular briquetting（114）Bottom surface sets friction pad （136）.

4. a kind of theftproof lock according to claim 1, it is characterised in that：The support（107）Quantity and Password Input Button（120）Quantity it is identical, adjacent stent（107）Between space be located at Password Input button（120）Surface.

5. a kind of theftproof lock according to claim 1, it is characterised in that：Dead bolt（209）Insert limiting through hole（202）It is interior When, sliding panel（403）Can be by the first installing plate below（1）With the second installing plate（2）Between seam covering.