CN107100442B

CN107100442B - The anti-peeping mechanical code input unit of coded lock

Info

Publication number: CN107100442B
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: 2018-08-31
Anticipated expiration: 2037-06-02
Also published as: CN107100442A

Abstract

The anti-peeping mechanical code input unit of coded lock, including shell, housing top surface opens up circular through hole, turnbarrel is installed in circular through hole, turnbarrel can be lifted and be rotated relative to shell in circular through hole, limited block is arranged in turnbarrel bottom periphery, when limited block rises to extreme position, limited block can be contacted with the shell on the outside of circular through hole, sealing plate is arranged in turnbarrel top surface, sealing plate makes for transparent material, bulge loop is arranged in inner walls, bulge loop top surface is installed by the first spring, first spring top is connect with ring washer, ring washer is contacted with turnbarrel bottom surface, multiple holders are arranged in bulge loop inner wall interval, each holder is connect with supporting plate, supporting plate top surface installs lead screw.It drives the mechanical structure of turntable rotation to input password using turnbarrel, can effectively prevent peep of cipher, the safety 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

Current Password lockset has been widely applied to the fields such as daily life, security, and the password used on coded lock is defeated Enter device and be broadly divided into electronic touching type I and mechanical, before the advantages of electronic touching type I cipher input is each input Upset key position, can avoid peeping key position and sequence by people to obtain password, but electronic touch screen is transmitted by circuit Password is easy to be interfered by electronic jamming device, and password is easy to be intercepted and captured with special equipment by criminal；Mechanical code is defeated The key position for entering device is fixed, and keystroke sequence can not be upset, and is easy by people's snooping password, in mechanical code input unit also Including a kind of rotary-type input unit, Password Input is realized to switch character code, this kind of cipher input is still by rotating character wheel It is possible that being recorded the angle of rotation character wheel every time by video capture equipment by criminal, come with a small amount of experiment through analyzing Try out password.

Invention content

The object of the present invention is to provide a kind of anti-peeping mechanical code input units of coded lock, it uses turnbarrel band The mechanical structure of turn disc spins inputs password, can avoid password and is interfered and intercepted and captured by electronic equipment, per a defeated password after The position of turntable can change at random, the rotation angle of turnbarrel between criminal records and inputs password twice The character code currently inputted can not be deduced, peep of cipher can be effectively prevented, the safety of coded lock is substantially improved.

The present invention to achieve the above object, is achieved through the following technical solutions：Including shell, housing top surface opens up round logical Hole, circular through hole is interior to install turnbarrel, and turnbarrel can be lifted and be rotated, turnbarrel relative to shell in circular through hole Limited block is arranged in bottom periphery, and when limited block rises to extreme position, limited block can be contacted with the shell on the outside of circular through hole, Sealing plate is arranged in turnbarrel top surface, and sealing plate makes for transparent material, and bulge loop is arranged in inner walls, and the first bullet is installed in bulge loop top surface Spring, the first spring top are connect with ring washer, and ring washer is contacted with turnbarrel bottom surface, and the setting of bulge loop inner wall interval is multiple Holder, each holder are connect with supporting plate, and supporting plate top surface installs lead screw, and the swivel nut with lead screw cooperation, swivel nut periphery are installed on lead screw It is connect with turntable by unilateral bearing, second spring is installed between swivel nut and supporting plate, annular briquetting, annular pressure are set above turntable Block is connect with sealing plate, and when turnbarrel moves down, annular briquetting can push turntable to move down together, and spine is arranged in turntable lateral wall border Tooth, the installation of turnbarrel inner wall and the mating pawl of ratchet, install reduction torsion spring in the shaft of pawl, pawl with after ratchet engagement Turnbarrel can drive turntable to allow the direction of rotation to rotate to unilateral bearing, and multiple character code blocks, each character code is arranged in turntable top surface Block is evenly distributed in a ring in turntable top surface, and convex block is installed in turntable bottom surface, and transverse slat, transverse slat top surface are installed in the shell below bulge loop Equipped 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 as the quantity of character code block, the character code content one write on each button inputted code content of Password Input and each character code block One corresponds to, and Password Input bit identification, when turntable moves down together with turnbarrel, convex block energy are arranged on the shell of turnbarrel side Enough press a Password Input button corresponding with the character code block content that Password Input bit identification is aligned.The transverse slat can be in shell Lifting in vivo, contacts when transverse slat rises to extreme position with bulge loop bottom surface, and convex block can be by next close after turntable declines at this time Code load button, after transverse slat declines, convex block can not touch Password Input button, and tension spring is arranged between transverse slat and housing bottom, Two guide rails being mutually parallel are arranged in housing bottom, are respectively mounted the idler wheel coordinated with guide rail on each guide rail, are respectively mounted on each idler wheel Strut, each strut upper end is hinged with transverse slat bottom surface, is connected by horizontal axis between two struts, transverse axis sleeve pipe is installed on horizontal axis, Transverse axis sleeve pipe can be rotated around the axis of horizontal axis, lock housing is arranged in shell side outer wall, be equipped in lock housing and opened and closed using key Lock core, installs crank on the rotary part of lock core, and one end of crank and connecting rod is hinged, and the connecting rod other end is hinged with transverse axis sleeve pipe, Key can drive crank-swinging, and when crank-swinging can push or pull on the lower end of strut by connecting rod, and arc is opened up on guide rail Shape locating slot, when strut is vertical with transverse slat, idler wheel is located in arc positioning groove, and transverse slat is contacted with bulge loop bottom surface at this time.Annular pressure Friction pad is arranged in block bottom surface.The quantity of the holder is identical as the quantity of Password Input button, the gap 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 interfered and intercepted and captured by electronic equipment, the position of turntable can change at random after every defeated password, even if criminal The character code currently inputted can not also be deduced by recording the rotation angle of turnbarrel between inputting password twice, can effectively be prevented The safety etc. of cipher input is substantially improved in only peep of cipher.

Description of the drawings

Fig. 1 is the structural schematic diagram of the present invention；

Fig. 2 is A-A schematic cross-sectional views in Fig. 1；

Fig. 3 is B-B schematic cross-sectional views in Fig. 2；

Fig. 4 is the structural schematic diagram after transverse slat moves down in structure shown in Fig. 2；

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

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

Specific implementation mode

The anti-peeping mechanical code input unit of coded lock of the present invention includes shell 1, and 1 top surface of shell opens up circle Through-hole 2, circular through hole 2 is interior to install turnbarrel 3, and turnbarrel 3 can be lifted and be rotated relative to shell 1 in circular through hole 2, 3 bottom periphery of turnbarrel be arranged limited block 4, when limited block 4 rises to extreme position, limited block 4 can with outside circular through hole 2 The shell 1 of side contacts, and sealing plate 5 is arranged in 3 top surface of turnbarrel, and sealing plate 5 makes for transparent material, and bulge loop 6 is arranged in 1 inner wall of shell, The first spring 13 is installed in 6 top surface of bulge loop, and 13 top of the first spring is connect with ring washer 16, ring washer 16 and turnbarrel 3 Bottom surface contacts, and multiple holders 7 are arranged in 6 inner wall interval of bulge loop, and each holder 7 is connect with supporting plate 8, and lead screw 9 is installed in 8 top surface of supporting plate, The swivel nut 10 that installation coordinates with lead screw 9 on lead screw 9,10 periphery of swivel nut connect by unilateral bearing 11 with turntable 12, swivel nut 10 and Second spring 15,12 top setting annular briquetting 14 of turntable are installed, annular briquetting 14 is connect with sealing plate 5, rotary sleeve between supporting plate 8 When cylinder 3 moves down, annular briquetting 14 can push turntable 12 to move down together, and ratchet 21, rotary sleeve is arranged in 12 lateral wall border of turntable 3 inner walls of cylinder are installed and the mating pawl 22 of ratchet 21, install reduction torsion spring 23 in the shaft of pawl 22, pawl 22 is nibbled with ratchet 21 Turnbarrel 3 can drive turntable 12 to allow the direction of rotation to rotate to unilateral bearing 11 after conjunction, and multiple words are arranged in 12 top surface of turntable Code block 17, each character code block 17 is evenly distributed in a ring in 12 top surface of turntable, and convex block 18 is installed in 12 bottom surface of turntable, 6 lower section of bulge loop Transverse slat 19 is installed, 19 top surface of transverse slat is equipped with multiple Password Input buttons 20, and each Password Input button 20 is pushed up in transverse slat 19 in shell 1 Face is evenly distributed in a ring, and the quantity of Password Input button 20 is identical as the quantity of character code block 17, and each Password Input button 20 is defeated The code content entered and the character code content write on each character code block 17 correspond, and are arranged on the shell 1 of 3 side of turnbarrel close Code input bit identification 901, when turntable 12 moves down together with turnbarrel 3, convex block 18 can be pressed and Password Input bit identification 901 The corresponding Password Input button 20 of 17 content of character code block of alignment.Upper and lower, top of the present invention, lower section be so that It is upper, far from user close to the direction of user for orientation when user observes the content of character code block 17 by sealing plate 5 Under direction is.The contents such as character code, confirmation, the cancellation of password are printed or are carved on the character code block 17, user passes through transparent Sealing plate 5 it can be seen that on 1 inside turntable 12 of shell character code block 17 content, the visible angle of character code block 17 concentrates on sealing plate 5 Top is only observed for user, others can not see content from side.When inputting password, user is to pawl 22 and ratchet 21 The direction rotation turnbarrel 3 of engagement can drive turntable 12 to rotate by pawl 22 and ratchet 21, it would be desirable to which the character code of input turns To input position, turnbarrel 3 is pressed, the convex block 18 of 12 bottom surface of turntable presses the Password Input button 20 of corresponding position, Complete a character code input.In 12 folding process of turntable, swivel nut 10 is rotated relative to lead screw 9, at this time between turntable 12 and swivel nut 10 Relative rotation direction be direction that unilateral bearing 11 allows rotation, therefore when turntable 12 moves down, will not rotate, and character code has inputted Bi Hou, user unclamp turnbarrel 3, and turnbarrel 3 rises reset under the action of the first spring 13, while turntable 12 is the Rise under the action of two springs 15 and reset, in 12 uphill process of turntable, swivel nut 10 reversely rotates, at this time turntable 12 and swivel nut 10 it Between relatively rotate the locking direction that direction is unilateral bearing 11, therefore turntable 12 is rotated together with swivel nut 10, and swivel nut 10 reaches It stops operating after top limit position, it is fair to become unilateral bearing 11 again for the relative rotation direction between turntable 12 and swivel nut 10 at this time Perhaps the direction rotated, therefore turntable 12 can still continue spin for some time under effect of inertia, in 12 rotary course of turntable, pawl 22 will not engage with ratchet 21.When need to input next bit character code, the direction that user engages to pawl 22 with ratchet 21 again turns Dynamic turnbarrel 3, can drive turntable 12 to rotate, next bit character code is gone to input position and is inputted.After each input word The rotational velocity of turntable 12 and time are related with user's release speed of turnbarrel 3, therefore stop after 12 rotation of turntable Angle be uncertain, turnbarrel 3 rotates 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 substantially enhance the safety of coded lock.Password Input button of the present invention 20 inside can install a variety of circuits, electromagnetism or electronic component to generate signal, such as gold can be installed in Password Input button 20 Belong to contact, switching circuit board is arranged in 20 lower section of Password Input button, and Password Input button 20, which presses rear metal contact piece, keeps switch electric Road plate related circuit conducting, output password information etc..Be with the content write on each character code block 17 " 0,1,2,3 ... 9, determine, Cancel " for, each character code block presses said sequence arranged clockwise on a turntable 12, then each Password Input button 20 is on transverse slat 19 When the character code block of arranged counterclockwise in the order, writing " 0 " is aligned with Password Input bit identification 901, convex block 18, which is located at, to be inputted Above the Password Input button of " 0 " password, this password " 0 " can be inputted by pressing turnbarrel 3 at this time, it is assumed that next bit password For " 2 ", then rotating counterclockwise turnbarrel 3 makes the character code block of writing " 2 " be aligned with Password Input bit identification 901, this process Middle convex block 18 is rotated counterclockwise to turntable 12 can input above the Password Input button of " 2 " password, press turnbarrel 3 at this time This password " 2 " can be inputted.

Following structures can be used in order to further enhance the safety of coded lock in the present invention：The transverse slat 19 can be in shell Lifting, contacts when transverse slat 19 rises to extreme position with 6 bottom surface of bulge loop in body 1, and convex block 18 can be by after the decline of turntable 12 at this time Next Password load button 20, after transverse slat 19 declines, convex block 18 can not touch Password Input button, transverse slat 19 and shell 1 Tension spring 24 is set between bottom, and 1 bottom of shell is arranged two guide rails 25 being mutually parallel, is respectively mounted on each guide rail 25 and matches with guide rail The idler wheel 26 of conjunction is respectively mounted strut 27 on each idler wheel 26, and 27 upper end of each strut is hinged with 19 bottom surface of transverse slat, two struts 27 it Between connected by horizontal axis 28, transverse axis sleeve pipe 29 is installed, transverse axis sleeve pipe 29 can rotate around the axis of horizontal axis 28, shell on horizontal axis 28 Lock housing 30 is arranged in 1 side outer wall, is equipped with the lock core 32 opened and closed using key 31 in lock housing 30, pacifies on the rotary part of lock core 32 Crank 33, crank 33 and one end of connecting rod 34 are hinged, and 34 other end of connecting rod is hinged with transverse axis sleeve pipe 29, and key 31 can drive Crank 33 is swung, and crank 33 can push or pull on the lower end of strut 27 by connecting rod 34 when swinging, arc is opened up on guide rail 25 Locating slot 35, when strut 27 is vertical with transverse slat 19, idler wheel 26 is located in arc positioning groove 35, at this time transverse slat 19 and 6 bottom surface of bulge loop Contact.The structure is lifted using 31 band motion plate 19 of key, and when only transverse slat 19 rises to top limit position, convex block 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 first use key 31 by transverse slat 19 rise could input password, individually possess key 31 or individually know close Code can not unlock.In the structure, after transverse slat 19 rises, connecting rod 34 is vertical with transverse slat 19, and the idler wheel 26 of 34 end of connecting rod is located at Play positioning action in arc positioning groove 35, prevent connecting rod 34 surprisingly tilt, at this time connecting rod 34 from 19 bottom of transverse slat to transverse slat 19 Support is formed, 6 bottom surface of bulge loop is contacted with 19 top surface border of transverse slat, which inclines when can prevent transverse slat from being pressed by convex block 18 Tiltedly, ensure that convex block 18 being capable of accurate pressing code load button 20.

The present invention can be arranged in 14 bottom surface of annular briquetting and rub to prevent 12 unintentional rotation of turntable when turntable 12 moves down Pad 36.When turnbarrel 3 moves down, the friction pad 36 of 14 bottom surface of annular briquetting is contacted with turntable 12, is increased annular briquetting 14 and is turned After frictional force between disk 12, turnbarrel 3 and turntable 12 rise reset, friction pad 36 is detached with turntable 12.

The present invention leads to convex block 18 in order to avoid shifting 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 number of the quantity and Password Input button 20 of the holder 7 Measure identical, the gap between adjacent stent 7 is located at the surface of Password Input button 20.The structure is defeated in password by holder 7 Formation separates between entering button 20, and convex block 18 only can be moved down normally in the surface of Password Input button 20, otherwise can Stopped by holder 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 shell（1）, shell（1）Top surface opens up circle Shape through-hole（2）, circular through hole（2）Interior installation turnbarrel（3）, turnbarrel（3）It can be in circular through hole（2）Interior opposite shell （1）Lifting and rotation, turnbarrel（3）Limited block is arranged in bottom periphery（4）, limited block（4）When rising to extreme position, limit Block（4）It can be with circular through hole（2）The shell in outside（1）Contact, turnbarrel（3）Sealing plate is arranged in top surface（5）, sealing plate（5）For Transparent material makes, shell（1）Bulge loop is arranged in inner wall（6）, bulge loop（6）Top surface is installed by the first spring（13）, the first spring（13） Top and ring washer（16）Connection, ring washer（16）With turnbarrel（3）Bottom surface contacts, bulge loop（6）Inner wall interval is arranged Multiple holders（7）, each holder（7）And supporting plate（8）Connection, supporting plate（8）Top surface is installed by lead screw（9）, lead screw（9）Upper installation and silk Bar（9）The swivel nut of cooperation（10）, swivel nut（10）Periphery passes through unilateral bearing（11）With turntable（12）Connection, swivel nut（10）With supporting plate （8）Between second spring is installed（15）, turntable（12）The annular briquetting of top setting（14）, annular briquetting（14）With sealing plate（5）Even It connects, turnbarrel（3）When moving down, annular briquetting（14）Turntable can be pushed（12）It moves down together, turntable（12）Lateral wall border Ratchet is set（21）, turnbarrel（3）Inner wall is installed and ratchet（21）Mating pawl（22）, pawl（22）Shaft on install Reduction torsion spring（23）, pawl（22）With ratchet（21）Turnbarrel after engagement（3）Turntable can be driven（12）To unilateral bearing（11） The direction of rotation is allowed to rotate, turntable（12）Multiple character code blocks are arranged in top surface（17）, each character code block（17）In turntable（12）Top surface It is evenly distributed in a ring, turntable（12）Bottom surface is installed by convex block（18）, bulge loop（6）The shell of lower section（1）Interior installation transverse slat（19）, horizontal Plate（19）Top surface is equipped 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 corresponds, turnbarrel（3）The shell of side（1）Upper setting is close Code input bit identification（901）, turntable（12）With turnbarrel（3）When moving down together, convex block（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）It can be in shell（1）Interior lifting, transverse slat（19）When rising to extreme position and bulge loop（6）Bottom surface contacts, at this time turntable （12）Convex block after decline（18）Next Password Input button, transverse slat can be pressed（19）After decline, convex block（18）It can not touch Password Input button, transverse slat（19）With shell（1）Tension spring is set between bottom（24）, shell（1）Bottom is arranged two and mutually puts down Capable guide rail（25）, each guide rail（25）On be respectively mounted the idler wheel coordinated with guide rail（26）, each idler wheel（26）On be respectively mounted strut （27）, each strut（27）Upper end is and transverse slat（19）Bottom surface is hinged, two struts（27）Between pass through horizontal axis（28）Connection, horizontal axis （28）Upper installation transverse axis sleeve pipe（29）, transverse axis sleeve pipe（29）It can be around horizontal axis（28）Axis rotation, shell（1）Side outer wall is set Set lock housing（30）, lock housing（30）On be equipped with using key（31）The lock core of keying（32）, lock core（32）Rotary part on pacify It cranks（33）, crank（33）With connecting rod（34）One end it is hinged, connecting rod（34）The other end and transverse axis sleeve pipe（29）It is hinged, key （31）Crank can be driven（33）It swings, crank（33）Connecting rod can be passed through when swing（34）Push or pull on strut（27）Under End, guide rail（25）On open up arc positioning groove（35）, strut（27）With transverse slat（19）When vertical, idler wheel（26）It is positioned positioned at arc Slot（35）It is interior, transverse slat at this time（19）With bulge loop（6）Bottom surface contacts.

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

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