CN107100442A

CN107100442A - The anti-peeping mechanical code input unit of coded lock

Info

Publication number: CN107100442A
Application number: CN201710409263.1A
Authority: CN
Inventors: 姚育利
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-28
Filing date: 2017-06-02
Publication date: 2017-08-29
Anticipated expiration: 2037-06-02
Also published as: CN107100442B

Abstract

The anti-peeping mechanical code input unit of coded lock, including housing, housing top surface opens up manhole, turnbarrel is installed in manhole, turnbarrel relative to housing lifting and can rotate in manhole, turnbarrel bottom periphery sets limited block, when limited block rises to extreme position, limited block can be contacted with the housing on the outside of manhole, turnbarrel top surface sets shrouding, shrouding makes for transparent material, inner walls set bulge loop, bulge loop top surface installs the first spring, first spring top is connected with ring washer, ring washer is contacted with turnbarrel bottom surface, bulge loop inwall is arranged at intervals multiple supports, each support is connected with supporting plate, supporting plate top surface installs screw mandrel.It drives the mechanical structure of turntable rotation to input password using turnbarrel, can effectively prevent peep of cipher, the security etc. of cipher input is substantially improved.

Description

The anti-peeping mechanical code input unit of coded lock

Technical field

The present invention relates to a kind of coded lock cipher input, specifically a kind of coded lock is anti-peeping mechanical close Code input unit.

Background technology

The password that Current Password lockset has been widely applied to use on the fields such as daily life, security, coded lock is defeated Enter device and be broadly divided into electronic touching type I and mechanical, the advantage of electronic touching type I cipher input is that each input is preceding Upset key position, can avoid peeping key position and order to obtain password by people, but electronic touch screen is transmitted by circuit Password, is easily disturbed by electronic jamming device, and password is easily intercepted and captured by criminal with special equipment；Mechanical code is defeated The key position for entering device is fixed, it is impossible to upset keystroke sequence, easily by people's snooping password, in mechanical code input unit also Including the rotary-type input unit of a class, switch character code by rotating character wheel and realize Password Input, this kind of cipher input is still It is possible to be recorded the angle of rotation character wheel every time by video capture equipment by criminal, comes through analyzing with a small amount of experiment Try out password.

The content of the invention

It is an object of the invention to provide a kind of anti-peeping mechanical code input unit of coded lock, it uses turnbarrel band Move the mechanical structure of turntable rotation to input password, password can be avoided to be disturbed and intercepted and captured by electronic equipment, after every defeated password The position of rotating disk can change at random, the anglec of rotation of turnbarrel between recording input password twice even if criminal The character code currently inputted can not be deduced, 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 housing, housing top surface opens up circular logical Turnbarrel is installed, turnbarrel relative to housing lifting and can rotate, turnbarrel in manhole in hole, manhole Bottom periphery sets limited block, and when limited block rises to extreme position, limited block can be contacted with the housing on the outside of manhole, Turnbarrel top surface sets shrouding, and shrouding makes for transparent material, and inner walls set bulge loop, and bulge loop top surface installs the first bullet 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 multiple Support, each support is connected with supporting plate, and supporting plate top surface installs the swivel nut installed and coordinated with screw mandrel on screw mandrel, screw mandrel, swivel nut periphery It is connected by unilateral bearing with rotating disk, is installed between swivel nut and supporting plate and annular briquetting is set above second spring, rotating disk, annular pressure Block 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 sets spine Tooth, turnbarrel inwall is installed and the supporting ratchet of ratchet, is installed in the rotating shaft of ratchet after reduction torsion spring, ratchet and ratchet engagement Turnbarrel can drive rotating disk to allow the direction of rotation to rotate to unilateral bearing, and rotating disk top surface sets multiple character code blocks, each character 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 surface Provided with multiple Password Input buttons, each Password Input button is evenly distributed in a ring in transverse slat top surface, the number of Password Input button Amount is identical with the quantity of character code block, each button inputted code content of Password Input and the character code content one write on each character code block Password Input bit identification, when rotating disk is together moved down with turnbarrel, projection energy are set on one correspondence, the housing of turnbarrel side Enough press a Password Input button corresponding with the character code block content that Password Input bit identification aligns.The transverse slat can be in shell Lifting, is contacted when transverse slat rises to extreme position with bulge loop bottom surface in vivo, and projection can be by next close after now rotating disk declines Code load button, after transverse slat declines, projection can not touch Password Input button, and extension spring is set between transverse slat and housing bottom, Housing bottom sets and is respectively mounted 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, each pole upper end is hinged with transverse slat bottom surface, is connected between two poles by transverse axis, transverse axis sleeve pipe is installed on transverse axis, Transverse axis sleeve pipe can rotate around the axis of transverse axis, and housing side outer wall, which is set, is provided with what is opened and closed using key in lock housing, lock housing Crank is installed, one end of crank and connecting rod is hinged, and the connecting rod other end is hinged with transverse axis sleeve pipe on lock core, the rotary part of lock core, Key can drive crank-swinging, can be pushed or pull on during crank-swinging by connecting rod and open up arc on the lower end of pole, guide rail Shape locating slot, 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 pressure Block bottom surface sets friction pad.The quantity of the support is identical with the quantity of Password Input button, the space position between adjacent stent In the surface of Password Input button.

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；

Fig. 2 is A-A cross section structure diagrams in Fig. 1；

Fig. 3 is B-B cross section structure diagrams in Fig. 2；

Fig. 4 is the structural representation after transverse slat is moved down in structure shown in Fig. 2；

Fig. 5 be in Fig. 2 C to mplifying structure schematic diagram；

Fig. 6 be in Fig. 4 D to mplifying structure schematic diagram.

Embodiment

The anti-peeping mechanical code input unit of coded lock of the present invention includes housing 1, and the top surface of housing 1 opens up circle Through hole 2, installs turnbarrel 3 in manhole 2, and turnbarrel 3 relative to housing 1 can be lifted and rotate in manhole 2, The bottom periphery of turnbarrel 3 set limited block 4, when limited block 4 rises to extreme position, limited block 4 can with outside manhole 2 The housing 1 of side is contacted, and the top surface of turnbarrel 3 sets shrouding 5, and shrouding 5 makes for transparent material, and the inwall of housing 1 sets bulge loop 6, The top surface of bulge loop 6 installs the first spring 13, and the top of the first spring 13 is connected with ring washer 16, ring washer 16 and turnbarrel 3 Bottom surface is contacted, and the inwall of bulge loop 6 is arranged at intervals multiple supports 7, and each support 7 is connected with supporting plate 8, and the top surface of supporting plate 8 installs screw mandrel 9, The swivel nut 10 coordinated with screw mandrel 9 is installed, the periphery of swivel nut 10 is connected by unilateral bearing 11 with rotating disk 12 on screw mandrel 9, swivel nut 10 and Second spring 15 is installed, the top of rotating disk 12 sets annular briquetting 14, and annular briquetting 14 is connected with shrouding 5, rotary sleeve between supporting plate 8 When cylinder 3 is moved down, annular briquetting 14 can promote rotating disk 12 together to move down, and the lateral wall border of rotating disk 12 sets ratchet 21, rotary sleeve 3 inwalls of cylinder are installed and the supporting ratchet 22 of ratchet 21, and reduction torsion spring 23 is installed in the rotating shaft of ratchet 22, and ratchet 22 is nibbled with ratchet 21 Turnbarrel 3 can drive rotating disk 12 to allow the direction of rotation to rotate to unilateral bearing 11 after conjunction, and the top surface of rotating disk 12 sets multiple words Code block 17, each character code block 17 is evenly distributed in a ring in the top surface of rotating disk 12, and projection 18 is installed in the bottom surface of rotating disk 12, the lower section of bulge loop 6 Transverse slat 19 is installed, the top surface of transverse slat 19 is provided with multiple Password Input buttons 20, and each Password Input button 20 is pushed up in transverse slat 19 in housing 1 Face is evenly distributed in a ring, and the quantity of Password Input button 20 is identical with the quantity of character code block 17, and each Password Input button 20 is defeated The code content entered is corresponded with the character code content write on each character code block 17, sets close on the housing 1 of the side of turnbarrel 3 Code input bit identification 901, when rotating disk 12 is together moved down with turnbarrel 3, projection 18 can be pressed and Password Input bit identification 901 The corresponding Password Input button 20 of the content of character code block 17 of alignment.Upper and lower, top of the present invention, lower section be so that It is upper, away from user close to the direction of user for orientation when user observes the content of character code block 17 by shrouding 5 Under direction is.The contents such as character code, confirmation, the cancellation of password are printed or are carved with the character code block 17, user passes through transparent Shrouding 5 it can be seen that on the inside rotating disk 12 of housing 1 character code block 17 content, the visible angle of character code block 17 concentrates on shrouding 5 Top, is only observed for user, and others can not see content from side.When inputting password, user is to ratchet 22 and ratchet 21 The direction of engagement, which rotates turnbarrel 3, to be rotated by ratchet 22 with the drive rotating disk 12 of ratchet 21, it would be desirable to which the character code of input turns To input position, turnbarrel 3 is pressed, the projection 18 of the bottom surface of rotating disk 12 presses the Password Input button 20 of correspondence position, Complete a character code input.In the folding process of rotating disk 12, swivel nut 10 rotates relative to screw mandrel 9, now between rotating disk 12 and swivel nut 10 Relative rotation direction allow the direction of rotation for unilateral bearing 11, therefore rotating disk 12 will not be rotated when moving down, and character code has been inputted Bi Hou, user unclamps turnbarrel 3, and turnbarrel 3 rises reset in the presence of the first spring 13, while rotating disk 12 is the Rise in the presence of two springs 15 and reset, in the uphill process of rotating disk 12, swivel nut 10 is reversely rotated, now rotating disk 12 and swivel nut 10 it Between relatively rotate the locking direction that direction is unilateral bearing 11, therefore rotating disk 12 rotated together with swivel nut 10, and swivel nut 10 is reached Stopped operating after top limit position, now the relative rotation direction between rotating disk 12 and swivel nut 10 be changed into again unilateral bearing 11 permit Perhaps the direction rotated, therefore rotating disk 12 can still continue under effect of inertia in spin for some time, the rotary course of rotating disk 12, ratchet 22 will not engage with ratchet 21.When need to input next bit character code, the direction that user engages to ratchet 22 with ratchet 21 again turns Dynamic turnbarrel 3, can drive rotating disk 12 to rotate, next bit character code is gone into input position is inputted.After each input word The rotational velocity of rotating disk 12 and time are relevant with the speed that user unclamps turnbarrel 3, therefore stop after the rotation of rotating disk 12 Angle be uncertain, turnbarrel 3 is rotated when criminal can not be by recording next input word angle be inferred The content of character code.The present invention can be achieved to upset character code position after often inputting a password, compared with existing password input unit With stronger anti-interference and anti-peeping performance, it can significantly strengthen the security of coded lock.Password Input button of the present invention 20 inside can install a variety of circuits, electromagnetism or electronic component to produce signal, for example, gold can be installed in Password Input button 20 Belong to contact, the lower section of Password Input button 20 sets switching circuit board, and Password Input button 20, which presses rear metal contact piece, makes switch electricity Road plate related circuit conducting, output password information etc..The content write using on each character code block 17 as " 0,1,2,3 ... 9, determine, Cancel " exemplified by, each character code block presses said sequence arranged clockwise on a turntable 12, then each Password Input button 20 is on transverse slat 19 Arranged counterclockwise in the order, when the character code block of writing " 0 " aligns with Password Input bit identification 901, projection 18 is positioned at can input Above the Password Input button of " 0 " password, this password " 0 " can be inputted by now pressing turnbarrel 3, it is assumed that next bit password For " 2 ", then rotating counterclockwise turnbarrel 3 makes the character code block of writing " 2 " be alignd with Password Input bit identification 901, this process Middle projection 18 is rotated counterclockwise to rotating disk 12 can input above the Password Input button of " 2 " password, now press turnbarrel 3 This password " 2 " can be inputted.

The present invention can use following structures to further lift the security of coded lock：The transverse slat 19 can be in shell Lift in body 1, contacted when transverse slat 19 rises to extreme position with the bottom surface of bulge loop 6, projection 18 can be by after the now decline of rotating disk 12 Next Password load button 20, after transverse slat 19 declines, projection 18 can not touch Password Input button, transverse slat 19 and housing 1 Extension spring 24 is set between bottom, and the bottom of housing 1 sets to be respectively mounted on the guide rail 25 that bright wisp is parallel to each other, each guide rail 25 matches somebody with somebody with guide rail Pole 27 is respectively mounted on the roller 26 of conjunction, each roller 26, each upper end of pole 27 is hinged with the bottom surface of transverse slat 19, two poles 27 it Between connected by transverse axis 28, on transverse axis 28 install transverse axis sleeve pipe 29, transverse axis sleeve pipe 29 can around transverse axis 28 axis rotate, housing 1 side outer wall, which sets to be provided with lock housing 30, lock housing 30 on the lock core 32 opened and closed using key 31, the rotary part of lock core 32, pacifies Crank 33, one end of crank 33 and connecting rod 34 is hinged, and the other end of connecting rod 34 is hinged with transverse axis sleeve pipe 29, and key 31 can drive Crank 33 is swung, and crank 33 can be pushed or pull on by connecting rod 34 when swinging and open up arc on the lower end of pole 27, guide rail 25 Locating slot 35, when pole 27 is vertical with transverse slat 19, roller 26 is located in arc positioning groove 35, now transverse slat 19 and the bottom surface of bulge loop 6 Contact.The structure is lifted using the band motion plate 19 of key 31, when only transverse slat 19 rises to top limit position, and projection 18 is Password Input button can be touched to input password, therefore the structure can realize secondary safety lock function, that is, input coded lock Password before, it is necessary to password could be inputted by first being risen transverse slat 19 using key 31, individually possessed key 31 or individually known close Code can not be unlocked.In the structure, after transverse slat 19 rises, connecting rod 34 is vertical with transverse slat 19, and the roller 26 of the end of connecting rod 34 is located at Play positioning action in arc positioning groove 35, prevent connecting rod 34 is unexpected from tilting, now connecting rod 34 from the bottom of transverse slat 19 to transverse slat 19 Support is formed, the bottom surface of bulge loop 6 is contacted with the top surface border of transverse slat 19, and the structure is inclined when can prevent transverse slat from being pressed by projection 18 Tiltedly, it is ensured that projection 18 being capable of accurate pressing code load button 20.

The present invention can set in the annular bottom surface of briquetting 14 and rub to prevent the unintentional rotation of rotating disk 12 when rotating disk 12 is moved down Pad 36.When turnbarrel 3 is moved down, the friction pad 36 of the annular bottom surface of briquetting 14 is contacted with rotating disk 12, and the annular briquetting 14 of increase is with turning Frictional force between disk 12, turnbarrel 3 and rotating disk 12 rise after reset, and friction pad 36 is separated with rotating disk 12.

The present invention causes projection 18 in order to avoid being shifted when user is by character code block alignment input position to be entered Two Password Input buttons 20 are pressed simultaneously, following structures can be used：The quantity of the support 7 and the number of Password Input button 20 Amount is identical, and the space between adjacent stent 7 is located at the surface of Password Input button 20.The structure is defeated in password by support 7 Enter formation cut-off between button 20, projection 18 only can normally be moved down in the surface of Password Input button 20, otherwise can Stopped by support 7, it is ensured that the accuracy of character code input.

Claims

1. the anti-peeping mechanical code input unit of coded lock, it is characterised in that：Including housing（1）, housing（1）Top surface opens up circle Shape through hole（2）, manhole（2）Interior installation turnbarrel（3）, turnbarrel（3）Can be in manhole（2）Interior relative housing （1）Lifting and rotation, turnbarrel（3）Bottom periphery sets limited block（4）, limited block（4）It is spacing when rising to extreme position Block（4）Can be with manhole（2）The housing in outside（1）Contact, turnbarrel（3）Top surface sets shrouding（5）, shrouding（5）For Transparent material makes, housing（1）Inwall sets bulge loop（6）, bulge loop（6）Top surface installs the first spring（13）, the first spring（13） Top and ring washer（16）Connection, ring washer（16）With turnbarrel（3）Bottom surface is contacted, bulge loop（6）Inwall is arranged at intervals Multiple supports（7）, each support（7）And supporting plate（8）Connection, supporting plate（8）Top surface installs screw mandrel（9）, screw mandrel（9）Upper installation and silk Bar（9）The swivel nut of cooperation（10）, swivel nut（10）Periphery passes through unilateral bearing（11）With rotating disk（12）Connection, swivel nut（10）With supporting plate （8）Between second spring is installed（15）, rotating disk（12）Top sets annular briquetting（14）, annular briquetting（14）With shrouding（5）Even Connect, turnbarrel（3）When moving down, annular briquetting（14）Rotating disk can be promoted（12）Together move down, rotating disk（12）Lateral wall border Ratchet is set（21）, turnbarrel（3）Inwall is installed and ratchet（21）Supporting ratchet（22）, ratchet（22）Rotating shaft on install Reduction torsion spring（23）, ratchet（22）With ratchet（21）Turnbarrel after engagement（3）Rotating disk can be driven（12）To unilateral bearing（11） The direction of rotation is allowed to rotate, rotating disk（12）Top surface sets multiple character code blocks（17）, each character code block（17）In rotating disk（12）Top surface It is evenly distributed in a ring, rotating disk（12）Bottom surface is installed by projection（18）, bulge loop（6）The housing of lower section（1）Interior installation transverse slat（19）, it is horizontal Plate（19）Top surface is provided with multiple Password Input buttons（20）, each Password Input button（20）In transverse slat（19）Top surface is uniform in a ring Arrangement, Password Input button（20）Quantity and character code block（17）Quantity it is identical, each Password Input button（20）What is inputted is close Digital content and each character code block（17）The character code content of upper writing is corresponded, turnbarrel（3）The housing of side（1）It is upper to set close Code input bit identification（901）, rotating disk（12）With turnbarrel（3）When together moving down, projection（18）It can press and Password Input Bit identification（901）The character code block of alignment（17）The corresponding Password Input button of content（20）.

2. the anti-peeping mechanical code input unit of coded lock according to claim 1, it is characterised in that：The transverse slat （19）Can be in housing（1）Interior lifting, transverse slat（19）When rising to extreme position and bulge loop（6）Bottom surface is contacted, now rotating disk （12）Projection after decline（18）Next Password Input button, transverse slat can be pressed（19）After decline, projection（18）It can not touch Password Input button, transverse slat（19）With housing（1）Extension spring is set between bottom（24）, housing（1）Bottom sets bright wisp mutually to put down Capable guide rail（25）, each guide rail（25）On be respectively mounted with guide rail coordinate roller（26）, each roller（26）On be respectively mounted pole （27）, each pole（27）Upper end is and transverse slat（19）Bottom surface is hinged, two poles（27）Between pass through transverse axis（28）Connection, transverse axis （28）Upper installation transverse axis sleeve pipe（29）, transverse axis sleeve pipe（29）Can be around transverse axis（28）Axis rotation, housing（1）Side outer wall is set Put lock housing（30）, lock housing（30）On be provided with and use key（31）The lock core of keying（32）, lock core（32）Rotary part on pacify Crank（33）, crank（33）With connecting rod（34）One end be hinged, connecting rod（34）The other end and transverse axis sleeve pipe（29）It is hinged, key （31）Crank can be driven（33）Swing, crank（33）Connecting rod can be passed through during swing（34）Push or pull on pole（27）Under End, guide rail（25）On open up arc positioning groove（35）, pole（27）With transverse slat（19）When vertical, roller（26）Positioned at arc positioning Groove（35）It is interior, now transverse slat（19）With bulge loop（6）Bottom surface is contacted.

3. the anti-peeping mechanical code input unit of coded lock according to claim 1, it is characterised in that：Annular briquetting （14）Bottom surface sets friction pad（36）.

4. the anti-peeping mechanical code input unit of coded lock according to claim 1, it is characterised in that：The support （7）Quantity and Password Input button（20）Quantity it is identical, adjacent stent（7）Between space be located at Password Input button （20）Surface.