CN207794139U - The security protection machinery cipher well lid wechat public opens management system - Google Patents

Abstract

The utility model is related to a kind of security protection machinery cipher well lid wechat public to open management system, include that well lid with mechanical code lock, the mechanical code lock rotarily open key, described to rotarily open key to open the angle that the mechanical code lock is rotated be unlocking cipher；There are unique encodings on the well lid；Further include：Smart mobile phone：For installing the management user's wechat end App for remotely permitting unlatching wechat public platform based on well lid, and it is equipped with for the electronic map for showing each well lid position that navigates；Cloud server and backup server；Unique encodings for storing all well lids respectively, and well lid record information corresponding with each unique encodings.

Description

The security protection machinery cipher well lid wechat public opens management system

Technical field

The utility model is related to security protection machinery cipher well lid, especially a kind of security protection machinery cipher well lid wechat public opens Management system.

Background technology

Well lid use is including places such as arterial street, airport, harbour and public domains, and well lid is mostly to pass both at home and abroad at present The product of system low side, common problem are：Easily stolen lose forms road trap cause people's injures and deaths, and cannot achieve digitlization Intelligent management breaks the critical facilities such as water, electricity, gas, the communication line of underground especially by after other people easily open manhole cover It is bad, while the space under well lid is also easily utilized the place for becoming terrified criminal activity by criminal, these can all constitute great Public safety hidden danger.

To solve the above problems, the security protection well lid of the prior art includes having installed the well lid of mechanical lock or electronic lock additional, such as " the cellar for storing things well lid positioned with mechanical code lockset and camlock " disclosed in CN201410340695.8 and " cipher well lid " disclosed in CN201310252291.9, they solve the problems, such as the security protection of well lid, and realizing all well lids can be by One key is opened, but there are problems for the password of numerous well lids and information management.

Existing internet or Internet of Things well lid, by being equipped with passive or active electronic tag realization pair on well lid Each well lid carries out identification and details inquiry, such as " a kind of cloud well lid and cloud disclosed in CN201410085418.7 The management system of well lid ".Sensor can also be used simultaneously, remote control and number are carried out by internet to unlatching, the alarm of well lid Word management is ground in heat, high and cold, heavy rain water logging, loaded vehicle impact for a long time since the use environment of well lid is different from other products In the environment of pressure, electronic component and electric operator on well lid do not adapt to this adverse circumstances completely, supply power supply Unstability and electronic component high failure rate caused by not communication breath or straggler message, opened even if alarm is illegal, scene Consequence generated already, these will all bring great puzzlement to client, it is contemplated that effect is difficult to realize, especially when hacker's network is attacked When hitting, another new hidden danger can be caused.

There are thousands of a well lids in one city, if using mechanical cipher security protection well lid, both utilizes internet to well lid Password and information are digitized management, using key, lock, relatively independent and organic connections the operational mode of net, in turn, ensure that well The normal use under rugged environment is covered, is truly realized do not walk, do not open steathily, digitizing, manageable effect.

Invention content

To overcome deficiencies of the prior art, the purpose of this utility model is to provide a kind of security protection mechanical ciphers The well lid wechat public opens management system.

For realize the above-mentioned purpose of the utility model and the technical solution adopted is that such：I.e. a kind of security protection mechanical cipher The well lid wechat public opens management system, which is characterized in that including：

1）Well lid, the mechanical code lock with mechanical code lock rotarily open key, described to rotarily open key It is unlocking cipher to open angle or the radian that the mechanical code lock is rotated；

2）There are unique encodings on the well lid；

3）Further include：Smart mobile phone：For installing the management user for remotely permitting unlatching wechat public platform based on well lid Wechat end App, and be equipped with for the electronic map for showing each well lid position that navigates；

4）Cloud server and backup server；Unique encodings for storing all well lids respectively, and with it is each unique Encode corresponding well lid record information；

5）Unique encodings on well lid are sent to cloud server, the institute that cloud server will receive by the smart mobile phone It states unique encodings and transfers corresponding password and record information, then sent by wechat；Smart mobile phone is received for opening manually The unlocking cipher corresponding with unique encodings opened；Or unlocking cipher is sent to mechanical cipher by the bluetooth output end of smart mobile phone The bluetooth receiving terminal of the electronic rotation unlocking key of lock drives key bit to rotarily open with the close code-locked of machinery by stepper motor The well lid of lock.

The good effect that the utility model is generated due to above-mentioned technical proposal is it will be apparent that i.e.

1, mechanical code dish structure

Separate machine formula password dish structure is used on well lid, is mounted below well lid, no electronic component and power supply, even if It also can guarantee the security reliability of mechanism under the exceedingly odious environment such as heat, high and cold, heavy rain water logging, loaded vehicle impact-rolling. The process of its operation open manhole cover is simple and fast, and the setting of password can change as needed.Code hole position is blocked using cover board, Prevent that other people spy upon.

Mechanical code mechanism is isolated with the metal combination face of well lid using nylon jacket simultaneously, so as to avoid two kinds of gold The electrochemical reaction for belonging to storeroom causes corrosion, and has installed sealing ring additional again between axis pin and nylon jacket, even if entire well lid For a long time be immersed in mud, encryption apparatus mechanism also can proper motion without being blocked because of corrosion or by silt.

2, reverse sealed device

Reverse sealed device is tubular structure, is placed on well seat, prevents from illegally coming in and going out to outside well in well or breaking out of well Bad Cipher mechanism.

3, using cloud service technology

System uses cloud service technology, and system software and well lid information are placed on the Cloud Server that cloud service provider provides On, independent server is built without user, also avoids hardware and network operation work, it is easy to use.

4, wechat access/control technology

System is using wechat access way currently popular, the compatible iOS smart mobile phones that can install wechat, Android hand The equipment such as mechanical, electrical brain, user can directly log in use in any place, and without installing dedicated APP softwares, compatibility is strong, It is easy to use.

5, real-time satellite location navigation and Orientation on map technology

System is supported to position the realization of inquired well lid in real time by the satellite positioning navigation module built in smart mobile phone, be led Boat, user can also be according to well lid near Present location search, and is shown on map, more convenient operation, more intuitive.

6, database management technology

System remembers the password of system staff details and well lid, position, person liable, operation using database The details such as record, picture concerned are managed, and realize efficient, convenient reliable information preservation and retrieval etc..

7, information security technology

System is idle using stringent registration mechanism, user right classification mechanism, user operation records storage, user It automatically exits from, encrypted message key, operator does not know that password, cryptography personnel do not grasp the modes safeguards system such as key Information security.

8, wireless blue tooth technology

System is carried out data transmission using wireless blue tooth, is wirelessly transferred the well lid password of lane database by mobile phone terminal Stepper motor auto-unlocking is controlled to servo drive system in bluetooth key device, it is convenient and efficient, safe and reliable.

Description of the drawings

Fig. 1 is the structure sectional view of the well lid with mechanical code lock；

Fig. 2 is the structure sectional view of mechanical code lock embodiment；

Fig. 3-5 is the structural schematic diagram of combination disk；

Fig. 6 is the structural schematic diagram of combination disk mesh tooth face and well seat limited block；

Fig. 7-8 is the electronic rotation unlocking key of mechanical code lock；

Fig. 9-10 is the structure sectional view of the manual rotation unlocking key of mechanical code lock；

Figure 11 is the well lid with unique encodings C1；

In attached drawing：C- well lids；C1-B- mechanical code locks；D- well seats；D1- well seat limited blocks；A- mechanical code locks are electronic Rotarily open key；A- mechanical code lock manual rotation unlocking keys.

A1- key bits；A2- fixes disk；A3- sliding axle positioning disks；A4- sealing rings, A5- key core pipes；A6- key core pipes Set；A7- balls；A8- abnormity connecting bushings；A9- recoil press springs；A10- abnormity connecting shafts；A11- stepper motors；A12- control electricity Road；A13- wireless blue tooth modules；A14- power supplys；A15- point driving switch；A16- power switches；A17- antislip rings；A18- ball lids Plate；The end faces A19- bearing；A20- key shells；A21- speed reducers；A22- encoded servo devices.

B1- combination disks;B2- positioning pins;B3- copper nuts;B4- password cover boards;B5- mounting holes;B6- combination disks turn Axis;B7- combination disk shaft sets;B8- rubber rings;B9- spring washers;B10- nuts；B11- combination disk mesh tooth faces.

A1- key bits I；A2- fixes disk I；A3- sliding axle locating rings；A4- sealing rings I；A5- key mandrels；A6 key cores Axle sleeve；A7- rotating ring axis pins；A8- determines ring；A9- damps fluted disc；The end faces a10- bearing；A11- dials；A12- pointers with the arrow Rotating ring；A13- handwheel disks；A14- antislip rings I；A15- damps fluted disc ejector pin；A16- balls I；

Specific implementation mode

The above-mentioned technical proposal of the utility model provides following specific examples by attached drawing and further illustrates：

A kind of 1 security protection machinery cipher well lid wechat public of embodiment opens management system

Including：

1）Well lid, the mechanical code lock with mechanical code lock rotarily open key, described to rotarily open key It is unlocking cipher to open angle or the radian that the mechanical code lock is rotated；

2）There are unique encodings on the well lid；

3）Further include：Smart mobile phone：For installing the management user for remotely permitting unlatching wechat public platform based on well lid Wechat end App, and be equipped with for the electronic map for showing each well lid position that navigates；

4）Cloud server and backup server；Unique encodings for storing all well lids respectively, and with it is each unique Encode corresponding well lid record information；

5）Unique encodings on well lid are sent to cloud server, the institute that cloud server will receive by the smart mobile phone It states unique encodings and transfers corresponding password and record information, then sent by wechat；Smart mobile phone is received for opening manually The unlocking cipher corresponding with unique encodings opened；Or unlocking cipher is sent to mechanical cipher by the bluetooth output end of smart mobile phone The bluetooth receiving terminal of the electronic rotation unlocking key of lock drives key bit to rotarily open with the close code-locked of machinery by stepper motor The well lid of lock.

Further, the record information stored in server beyond the clouds includes：Well lid type, well lid password, well lid address, Address remarks, well lid affiliated function, facility, set-up time, installation responsible person, well lid photo, neighbouring well lid coding in well；With well The information of the long-range license wechat end App user of lid binding.

Further, work as network failure, wechat can not be logged in by smart mobile phone, cannot be introduced into the long-range license wechat public When platform obtains unlocking cipher, the human administrator of backup server is connected by the smart mobile phone, by being obtained after manual confirmation Take the record information for including unlocking cipher.

Preferably, two sets of mechanical cipher locksets are at least arranged in well lid.

Further, the well lid and well seat are hinged.

Management method is opened in the long-range license that the 2 security protection machinery cipher well lid wechat public of embodiment opens management system

Include the following steps：

1) well lid is provided with mechanical cipher lockset, and the mechanical cipher lockset manually or electrically key rotation is a certain Open manhole cover after angle, it is unlocking cipher that the manually or electrically key, which opens the angle that lockset is rotated or radian,；

2）Unique encodings are set on well lid, the unique encodings and corresponding well lid record information are stored beyond the clouds In server and in backup server；

3) it establishes well lid remotely to permit to open wechat public platform, and remotely permits that opening the wechat public puts down based on the well lid Platform establishes management user's wechat end App；

4) management user's wechat end App is installed in smart mobile phone, by inputting personal account name and password, is completed Manage the user's registration of user's wechat end App；Each user after being permitted binds with several well lids, each of which well lid it is standby Case information can be inquired by Cloud Server in managing user's smart mobile phone；

5) by remotely permitting wechat public platform that the unique encodings are sent to cloud server, cloud server receives To after the unique encodings, whether the user for appraising and deciding management user's wechat end App first binds with the well lids of the unique encodings, After confirmation, well lid record information corresponding with the unique encodings is found out；It is sent in the smart mobile phone of user in the form of wechat；

6) wechat is logged in by smart mobile phone, into long-range license wechat public platform, inputs the unique encodings of well lid, profit Well lid position and the navigation circuit of unique encodings are found with the navigation of electronic map linked in wechat public platform；

7) after receiving the record information comprising unlocking cipher by smart mobile phone, password is rotated from start bit with manual key Corresponding angle or radian open manhole cover；Or

8）The password of the representative rotation angle received is transported to driven key by the bluetooth output end of smart mobile phone Bluetooth receiving terminal, the stepper motor by controlling the rotation of driven key head rotate angle or radian open manhole cover described in password.

The unique encodings having on 3 well lid of embodiment

Referring to Figure 11, the unique encodings C1 having on the well lid is well lid or the concave-convex word on well seat, letter, number Or they at least two combination.

Further, " 8 " shape concave-convex mold that each number is surrounded by 7 sections passes through the number to field coloring display 0 ~ 9 Word.

Embodiment 4 has the well lid of mechanical code lock

Referring to Fig. 1-6, the mechanical code lock installed on the well lid with mechanical code lock includes notched password Disk B1, the combination disk are fixed on the combination disk shaft B6 in well lid, and having at the top of the combination disk shaft B6 can be with rotation Turn the groove or tongue of unlocking key cooperation；In locking state, combination disk by well seat limited block D1 limit prevent well lid from Above put forward opening；Positioning pin B2 is provided in combination disk；Determine that the key that rotarily opens of the mechanical code lock revolves by positioning pin The initial position turned drives combination disk to rotate to lacking for combination disk by initial position by rotarily opening key by combination disk shaft When position below the limited block D1 of mouthful face well seat, well lid can be elevated opening, be rotated to well lid energy by initial position The rotated angle that is enough opened is unlocking cipher；The bottom of combination disk B1 is blocked by password cover board B4, and will by nut B10 It is fixed；By replacing combination disk B1 or changing the holes the mounting hole B5 position of positioning pin B2, you can realize the change for opening password.

Further, the mechanical code lock installed on well lid is at least a set of, and a corresponding limit is arranged on well seat Position block；Often set mechanical code lock has several combination disks optional；Each combination disk has several passwords optional.

Preferably, the upper ends the combination disk B1 have mesh tooth face B11, and the lower face of the limited block D1 of well seat is all to nibble Close the flank of tooth；When combination disk is not rotated to open position, carries well lid upwards, since two mesh tooth faces engage, combination disk is not It can be rotated.The structure has prevented to rotate the attempt that combination disk tries deciphering by fine motion, and the security protection performance of well lid is made significantly to increase Add.

Further, rubber ring B8 and shaft set B7 is installed on the combination disk shaft B6.Even if entirely well lid is long Between be immersed in mud, mechanical code lock also can proper motion without being blocked because of corrosion or by silt.

Further, there is at least one mounting hole B5 for installing the positioning pin B2 on combination disk B1；Password The bottom of disk B1 is blocked by password cover board B4, and is fixed by nut B10；By replacing combination disk B1 or changing positioning pin B2 The holes mounting hole B5 position, you can realize open password change.

Preferably, copper nut B3 is preset in the mounting hole position.The copper nut should be embedded in and be fixed on combination disk.

The electronic rotation unlocking key of 5 mechanical code lock of embodiment

Electronic rotation unlocking key referring to mechanical code lock described in attached drawing 7-8 includes key core pipe A5, and coaxial package exists Key core pipe sleeve A6 outside key core pipe A5, the wherein upper ends key core pipe sleeve A6 and key shell A20 are fixed, lower end has end face The upper end of fixation disk A2 with antislip ring A17, key core pipe sleeve A6 are fixed with key shell A20；The lower end of key core pipe A5 has Have and the corresponding band tongue or groove key bit A1 at the top of mechanical code lock combination disk shaft B6；The upper end of key core pipe A5 connects The recoil press spring A9 being supported on key shell A20 is met, the output shaft of stepper motor A11 is connected with speed reducer A21, is slowing down Device A21 output ends are equipped with encoded servo device A22, are coaxially stretched into key core pipe A5 by top with special-shaped connecting shaft A10, described different The keyway sections that has of the shape connecting shaft A10 in key core pipe A5 constitutes spline slide mechanism with the ball A7 in keyway, slows down Machine A21 transmits the rotation to key core pipe A5 by the mechanism；Also there is the stepping with point driving switch A15 in key shell A20 The input terminal of the control circuit A12 of motor A11, control signal are connect with the signal output end of wireless blue tooth receiving module A13.

The key core pipe A5 stretches out under recoil press spring A9 effects outside key core pipe sleeve A6, convenient for close with mechanical code lock Groove at the top of code-disc shaft B6 or tongue docking, when downward positive pressure key shell A20, key core pipe A5 are retracted key core pipe sleeve In A6, well lid is close to by the fixation disk A2 with antislip ring A17 of the front ends key core pipe sleeve A6, the step driven by control circuit A12 Stepper motor A11 rotates to start bit by key bit A1 drive combination disk shaft B6 and the combination disk B1 with positioning pin B2, then presses The corresponding angle of password rotation password that bluetooth receives, that is, open and finish.

Further, it when there is two sets and two sets or more coded lock mechanisms, often covers Cipher mechanism and uses different symbol generations Table（Such as A, B ...）, several groups codon usage can be had by often covering Cipher mechanism, and the password for often covering Cipher mechanism can be identical It can differ.

The manual rotation unlocking key of 6 mechanical code lock of embodiment

The manual rotation unlocking key of the mechanical code lock includes key mandrel a5, and coaxial package is outside key mandrel a5 Key core sleeve a6, damping fluted disc a9 and rotating ring axis pin a7 fix；The rotating ring with spline being connect with the tops key mandrel a5 Axis pin a7 is through in the rotating ring a12 centre bores of pointer with the arrow, the spline of the ball a16 in the centre bore and rotating ring axis pin a7 Constitute spline slide mechanism I；The edge and end face bearing a10 and scale by circumference of the rotating ring a12 of the pointer with the arrow The overlap edge of the upper ends disk a11 contacts, and dial a11, which is fixed on, to be determined on ring a8, determines ring a8 by damping fluted disc ejector pin a15 and damping Fluted disc a9 contacts；The lower end of key mandrel a5 has band tongue corresponding at the top of mechanical code lock combination disk shaft B6 or groove The top of I a1 of key bit, key mandrel a5 are equipped with handwheel disk a13；It is anti-skidding that the lower end of key core sleeve a6 is equipped with end face band Enclose I a2 of fixation disk of I a14.

When unlocking, handwheel disk a13 is pushed down on first, so that key mandrel a5 is glided and is stretched out key core sleeve a6, is convenient for and machine Groove at the top of tool coded lock combination disk shaft B6 or tongue docking；Then the rotating ring a12 for pushing down on pointer with the arrow makes key I a2 of fixation disk with antislip ring a14 of the front ends core pipe set a6 is close to well lid, and rotation handwheel disk a13 makes key bit a1 drive password Disk B1 turns to initial position（Until cannot rotating）, then rotate backward angle corresponding with password i.e. open manhole cover.

Above example is interpreted as being merely to illustrate the utility model and being different from limitation scope of protection of the utility model. After the content for the record for having read the utility model, technical staff can be by making various changes to the utility model or repairing Change, these equivalence changes and modification equally fall into the utility model claims limited range.

Claims (8)

1. a kind of security protection machinery cipher well lid wechat public opens management system, which is characterized in that including：

1）Well lid, the mechanical code lock with mechanical code lock rotarily open key, and the key that rotarily opens is opened The angle or radian that the mechanical code lock is rotated are unlocking cipher；

2）There are unique encodings on the well lid；

3）Further include：Smart mobile phone：For installing the management user's wechat for remotely permitting unlatching wechat public platform based on well lid App is held, and is equipped with for the electronic map for showing each well lid position that navigates；

4）Cloud server and backup server；Unique encodings for storing all well lids respectively, and with each unique encodings Corresponding well lid record information；

5）Unique encodings on well lid are sent to cloud server by the smart mobile phone, cloud server will receive described in only One coding transfers corresponding password and record information, then is sent by wechat；Smart mobile phone is received for manually opened Unlocking cipher corresponding with unique encodings；Or unlocking cipher is sent to mechanical code lock by the bluetooth output end of smart mobile phone The bluetooth receiving terminal of electronic rotation unlocking key drives key bit to rotarily open with the close code-locked lock of machinery by stepper motor Well lid.

2. the security protection machinery cipher well lid wechat public according to claim 1 opens management system, it is characterized in that：The well The unique encodings that covering has are well lid or the concave-convex word on well seat or/and alphabetical or/and number；Or each number is by 7 " 8 " shape concave-convex mold that section surrounds passes through the number to field coloring display 0 ~ 9.

3. the security protection machinery cipher well lid wechat public according to claim 1 opens management system, it is characterized in that：The tool It includes notched combination disk to have the mechanical code lock installed on the well lid of mechanical code lock（B1）, which, which is fixed on, is located at Combination disk shaft in well lid（B6）On, the combination disk shaft（B6）Top have can with rotarily open key cooperation groove Or tongue；In locking state, combination disk prevents well lid from above being put forward opening by well seat limited block (D1) limit；In combination disk It is provided with positioning pin（B2）；The initial position for rotarily opening key rotation that the mechanical code lock is determined by positioning pin, by revolving Turn the limit that unlocking key is rotated to the notch face well seat of combination disk by combination disk shaft drive combination disk by initial position When position below block (D1), well lid can be elevated opening, rotate to well lid to be opened by initial position and rotated Angle be unlocking cipher；Combination disk（B1）Bottom by password cover board（B4）It blocks, and by nut（B10）It is fixed； By replacing combination disk（B1）Or change positioning pin（B2）Mounting hole（B5）Kong Wei, you can realize the change for opening password.

4. the security protection machinery cipher well lid wechat public according to claim 3 opens management system, it is characterized in that：It is described close Code-disc（B1）Upper end has mesh tooth face（B11）, the lower face of the limited block (D1) of well seat is all mesh tooth face；Work as combination disk It is not rotated to open position, when carrying well lid upwards, since two mesh tooth faces engage, combination disk cannot be rotated.

5. the security protection machinery cipher well lid wechat public according to claim 3 opens management system, it is characterized in that：It is described close Code-disc shaft（B6）On rubber ring is installed（B8）And shaft set（B7）.

6. the security protection machinery cipher well lid wechat public according to claim 3 opens management system, it is characterized in that：It is described close Code-disc（B1）Upper end have mesh tooth face（B11）, combination disk（B1）It is upper at least one to be used to that the positioning pin to be installed （B2）Mounting hole（B5）；Combination disk（B1）Bottom by password cover board（B4）It blocks, and by nut（B10）It is fixed；It is logical Cross replacement combination disk（B1）Or change positioning pin（B2）Mounting hole（B5）Kong Wei, you can realize the change for opening password.

7. the security protection machinery cipher well lid wechat public according to claim 1 opens management system, it is characterized in that：The machine The electronic rotation unlocking key of tool coded lock includes key core pipe（A5）, coaxial package is in key core pipe（A5）Outer key core pipe Set（A6）, wherein key core pipe sleeve（A6）Upper end and key shell（A20）Fixed, lower end has end face band antislip ring（A17）'s Fixed disk（A2）, key core pipe sleeve（A6）Upper end and key shell（A20）It is fixed；Key core pipe（A5）Lower end have and machine Tool coded lock combination disk shaft（B6）The corresponding band tongue or groove key bit at top（A1）；Key core pipe（A5）Upper end connect It connects and is supported on key shell（A20）On recoil press spring（A9）, stepper motor（A11）Output shaft be connected with speed reducer (A21) It connects, encoded servo device (A22) is housed in retarder (A21) output end, with special-shaped connecting shaft（A10）Key is coaxially stretched by top Core pipe（A5）It is interior, the abnormity connecting shaft（A10）In key core pipe（A5）The interior keyway section having and the ball in keyway （A7）Constitute spline slide mechanism, speed reducer（A21）Key core pipe is transmitted the rotation to by the mechanism（A5）；Key shell （A20）Inside also there is band point driving switch（A15）Stepper motor（A11）Control circuit（A12）, control the input terminal of signal With wireless blue tooth receiving module（A13）Signal output end connection；The key core pipe（A5）In recoil press spring（A9）Under effect Stretch out key core pipe sleeve（A6）Outside, it is convenient for and mechanical code lock combination disk shaft（B6）The groove or tongue at top dock, when to Lower positive pressure key shell（A20）, key core pipe（A5）It is retracted key core pipe sleeve（A6）It is interior, by key core pipe sleeve（A6）The band of front end Antislip ring（A17）Fixation disk（A2）It is close to well lid, by control circuit（A12）The stepper motor of driving（A11）Pass through key bit （A1）Drive combination disk shaft（B6）And with positioning pin（B2）Combination disk（B1）Start bit is rotated to, then by the close of bluetooth reception The corresponding angle of code rotation password, that is, open and finish.

8. the security protection machinery cipher well lid wechat public according to claim 1 opens management system, it is characterized in that：The machine The manual rotation unlocking key of tool coded lock includes key mandrel（a5）, coaxial package is in key mandrel（a5）Outer key mandrel Set（a6）, damp fluted disc（a9）With rotating ring axis pin（a7）It is fixed；The rotating ring pin with spline being connect with the top key mandrel (a5) Axis（a7）It is through the rotating ring of pointer with the arrow（a12）In centre bore, the ball in the centre bore（a16）With rotating ring axis pin（a7） Spline constitute spline slide mechanism I；The rotating ring of the pointer with the arrow（a12）The edge and end face bearing by circumference （a10）With dial（a11）The overlap edge of upper end contacts, dial（a11）It is fixed on and determines ring（a8）On, determine ring（a8）Pass through resistance Buddhist nun's fluted disc ejector pin（a15）With damping fluted disc（a9）Contact；Key mandrel（a5）Lower end have and mechanical code lock combination disk turn Axis（B6）The corresponding band tongue in top or groove key bit I（a1）, key mandrel（a5）Top handwheel disk is installed（a13）； Key core sleeve（a6）Lower end be equipped with end face band antislip ring I（a14）Fixation disk I（a2）.