CN2422398Y

CN2422398Y - Mechanical puzzle lock

Info

Publication number: CN2422398Y
Application number: CN 00207397
Authority: CN
Inventors: 卢晓光
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-08
Filing date: 2000-04-08
Publication date: 2001-03-07
Anticipated expiration: 2010-04-08

Abstract

The utility model discloses a mechanical code lock used for various cabinet doors. The original patent Z L94205331.1 overcomes the defect that the code is exposed out of a dial during decoding, but the manufacture is difficult and the usage is inconvenient so that the popularization is difficult. A coding shaft (1) of the utility model is provided with a gearless type code locking device 4. A decoding shaft 2 drives a limiting rotary table 7 to rotate through a static pressure device 6, but when the limiting rotary table 7 is blocked by a coded blocking sheet 3, a dial 5 can idle. The utility model is additionally provided with an anti-technique-opening device. A limiting lock tongue 10 of a locking system is embedded with a cambered surface pressing block 12 that can be operated in company with the limiting lock tongue, and the bottom surface of the lock tongue is in even joint with the cambered surface of the pressing block.

Description

There is not shelves formula mechanical code lock

The utility model relates to a kind of lockset, particularly mechanical code lock in door, cabinet field.

Present mechanical code lock is divided into two classes by the mode of changing password, and a class is to have the personnel of professional knowledge to tear the lock escape open.Another kind of can be by user's escape voluntarily, but have the complex structure problem." mechanical code lock " as China's utility model (ZL94205331.1) is made up of locking, transmission, password assembly and four parts of reporting to the police.Password assembly wherein is made up of addressable part and decoding parts, and the fixed sign indicating number lock of addressable part passes different notches and sets different passwords; The ratchet that is fixed in the decoding parts on the main shaft cooperates with the long spring that colludes that is equipped with on the spacing rotating disk, drives the spacing rotating disk that is enclosed within on the main shaft and rotates by the decoding step requirement.If a password assembly is made ten gears, then n password assembly forms one the coded lock that has the 10n sets of numbers Gong to select for use.Its using method is: the fixed sign indicating number lock in the door is inserted a notch as " 3 ", then finished password setting; Rotating the decoding knob outdoors more than one week, the spacer pin on the spacing rotating disk is being kept off by fixed sign indicating number pin, and optional number is as " 5 " registration mark point, then be inverted to number " 8 " the registration mark point with the code number sum optional number.After the decoding, the number of registration mark point is not a code number, has fabulous security performance.But be manufactured with the password assembly of 100 gears, 100 ratchets of deciding code holes and 100 teeth then need be arranged, this realizes needing high cost on the lock part of limited size, and too meticulous lock part can't guarantee the due mechanical strength of lockset.Moreover its anti-technical opening function is to be filled the post of by electronic warning system, makes the lockset cost high.

The purpose of this utility model is that the deficiency of existing (ZL94205331.1) patent is improved, and provides a kind of making simple and easy, and cost is low, and is easy to use, safe and reliable mechanical code lock.

The purpose of this utility model reaches like this: the cryptographic system that coded lock is made up of a plurality of password assemblies, anti-technical opening system and dead bolt system form.Wherein the password assembly is made up of Code And Decode two parts.Coded portion is made up of coding disk, coding axle and the square with the axis washer that is fastenedly connected and code-locking device.Thereby tighten code-locking device lockable coding axle locking washer position, coding disk flexibly connects by positioning key with the coding axle.Decoded portion is taken out by the decoding of fastening dialer, has groove on the periphery and spacing rotating disk and the pressure apparatus of fixing a spacer pin on first face formed.Spacing rotating disk pine is enclosed within the decoding axle head, and the decoding axle drives spacing dial rotation by the pressure apparatus that is installed in axle head.Decoding axle becomes same axis arranged, the washer of coded portion can keep off the spacer pin of decoded portion and do not hinder and decode spool and the rotation of spacing rotating disk with the coding axle.Whether the spacing dead bolt in the dead bolt system can enter the groove on the spacing rotating disk periphery, is determining whether lock can be opened.Anti-technical opening system is the cambered surface briquetting of band extension spring, extension spring makes the cambered surface of briquetting hold spacing rotating disk tightly, when the dead bolt system is in when shutting state, after its spacing tongue lock draws the cambered surface briquetting, withdraw from the state of holding tightly, extension spring and spacing dead bolt acting in conjunction, the cambered surface briquetting is advanced and retreat synchronously with spacing dead bolt, when error code was unblanked, the cambered surface briquetting was with the impact sound of spacing rotating disk and hold function tightly and disturbed tin sound and feel effectively, and the technical opening means can't be put to good use.During use, rotate numbering axle selected number registration mark point to the numbering dish, the rotation dialer, the decoding axle drives spacing dial rotation by pressure apparatus, when the spacer pin on it is run into washer, spacing rotating disk stops, continue to rotate in the same way dialer, dialer is still rotatable up to an optional starting point scale registration mark point, and the reverse rotation dialer stroke that is equivalent to the password number is promptly finished decoding again, operate each password assembly successively, can move the dead bolt system and unblank this moment.

Above-mentioned code-locking device comprises that one one end is " U " shape opening, and there is the code-locked sheet of pilot hole the centre, passes pilot hole and is fixed on guide finger and a code-locked button that has cam on the casing, and the code-locked button is installed on the casing.During code-locked, tighten the code-locked button, its cam will promote " U " shape mouth chucking coding axle of code-locked sheet, finish code-locked.

Aforesaid pressure apparatus can be by radially opening a through hole at the decoding shaft end, a stage clip is put in the centre in hole, two is a plug, plug is pressing closer the middle hole wall of spacing rotating disk and is obtaining, when rotating the decoding axle, the pressure between plug and spacing rotating disk drives spacing dial rotation, and when the rotation of spacing rotating disk is obstructed, under the rotatory force effect, the decoding axle is idle running still.

Above-mentioned pressure apparatus also can be made the shaft shoulder with the decoding axle, is inserted in spacing rotating disk, stage clip successively, and the packing ring rivet clasp is at the axle head mouth, and spring pressure makes spacing rotating disk be close to the shaft shoulder.

After adopting technique scheme, decode operation is accurate, and anti-technical opening function is extremely strong, can greatly increase number of password on limited password assembly part; Different password assembly arrangement modes can cooperate with various dead bolt system, produces to adapt to the coded lock that various classes are used, and makes easily, and is easy to use, is easy to promote.

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is the password assembly schematic perspective view of the utility model embodiment;

Fig. 2 is the horizontal dead bolt system type schematic perspective view of the utility model embodiment;

Fig. 3 is vertical dead bolt system type schematic perspective view of the utility model embodiment;

Fig. 4 is another embodiment schematic perspective view of the utility model pressure apparatus.

In the password assembly shown in Figure 1, coded portion has the numbering dish 17 of band positioning spline, the coding axle 1 of band location strong 16, washer 3 vertically is fastened on shaft end, code-locking device 4 is by the code-locked sheet 13 in tape guide hole, guide finger 14, code-locked button 15 constitutes, code-locked sheet 13 upper ends " U " shape muzzle is on coding axle 1, the guide finger 14 that is fixed on the casing passes pilot hole, the below is mounted in the code-locked button 15 on the casing, the cam of code-locked button 15 ends is against the base of code-locked sheet 13, turning set the coding button 1 of numbering dish 17, can change the position of washer 3, tighten code-locked button 15, the cam of its end makes and moves chucking coding axle 1 on the code-locked sheet 13, thereby has locked washer 3; Decoded portion has the decoding axle 2 of the fastening dialer 5 of an end, its other end pine is being overlapped spacing rotating disk 7, on 7 yuan of faces of spacing rotating disk, fixing spacer pin 8, its periphery has a groove 9, drive pressure apparatus 6 that spacing rotating disk 7 rotates and forms the middle hole wall that stage clip 19 pushes up plug 20 to spacing reel 7 by the radial direction through hole 18 of decoding axle 2 ends, stage clip 19 in the hole and the plug 20 in aperture.Rotate dialer 5, spacing rotating disk 7 and then rotates synchronously, and when the spacer pin 8 on the spacing rotating disk 7 was run into washer 3, spacing rotating disk 7 was slack, and dialer 5 still can rotate in the same way; During counter-rotating, spacing rotating disk 7 also and then rotates synchronously in the same way.

Horizontal dead bolt system type shown in Figure 2 does not have a grade formula mechanical code lock, is made up of cryptographic system, dead bolt system and anti-technical opening system.Cryptographic system is made of three password assemblies, and the driver plate 21 of dead bolt system is with common spring door lock interlock, 9 of grooves on corresponding spacing rotating disk 7 peripheries on the driver plate 21 fastening 3 spacing dead bolts 10; When all aiming at spacing dead bolt 10, groove 9 just possesses the condition of unblanking; Cambered surface briquetting 12 two ends of anti-technical opening system have extension spring 11, but there is the groove of a tolerance limit position dead bolt 10 at its middle part, and extension spring 11 other ends are fixed on the casing, and extension spring 11 pulls to spacing rotating disk 7 with cambered surface briquetting 12.When unblanking, key is rotated in decoding more earlier, and the tongue of dialling of cylinder lock moves to right driver plate 21, and spacing dead bolt 10 enters groove 9 smoothly; When error code was unblanked, spacing dead bolt 9 and cambered surface briquetting 12 clashed into the periphery of spacing rotating disk 7 simultaneously, and the cambered surface of cambered surface briquetting 12 holds spacing rotating disk 7 tightly, and making can't be by listening sound and rotating the position of dialer 5 test grooves 9.After shutting, spacing dead bolt 10 moves to left, and makes cambered surface briquetting 12 break away from spacing rotating disk 7, rotates dialer 5, and spacing rotating disk 7 is still rotatable.

Vertical dead bolt system type shown in Figure 3 does not have a grade formula mechanical code lock, and by cryptographic system, dead bolt system and anti-technical opening system form, and cryptographic system is made of four groups of password assemblies; The dead bolt system comprises the eccentric cam 22 of band button handle, dead bolt 23, two groups of dead bolt connecting rods 24 and two groups of formations such as spacing dead bolt 10, and the eccentric cam 22 of rotating band button handle makes dead bolt 23 liftings, drives 24 swings of dead bolt connecting rod, and spacing dead bolt 10 is moved up and down; Anti-technical opening system is the "T"-shaped cambered surface briquetting 12 of two groups of band extension springs 11, extension spring 11 1 ends are fixed on cambered surface briquetting 12 middle parts, the other end is fixed on the casing, extension spring 11 pulls to spacing rotating disk 7 with cambered surface briquetting 12, cambered surface briquetting 12 two ends respectively have a shoulder to ride on the bracket of spacing dead bolt, under the acting in conjunction of extension spring 11 and spacing dead bolt 10, cambered surface briquetting 12 can be advanced and retreat synchronously with spacing dead bolt 10.Should prevent the action and the function of technical opening system, basic identical with Fig. 2 embodiment.

Pressure apparatus shown in Figure 4 is to make the shaft shoulder 25 on decoding axle 2, be inserted in spacing rotating disk 7 successively, stage clip 26, packing ring 27 rivet clasps are at the axle head mouth, stage clip 26 makes spacing rotating disk 7 be close to the shaft shoulder 25, rotate dialer 5 and can drive spacing rotating disk 7 and rotate, and spacer pin 8 is when running into washer 3, spacing rotating disk 7 stops operating, and strengthens rotatory force dialer 5 is dallied in the same way.

During use, unscrew code-locked button 4, coding disk 17 be enclosed within on the coding axle 1, rotate coding axle 1 to selected number as " 20 " registration mark point, tighten code-locked button 4, the number of each password assembly is set one by one, finish password setting; Unblanking, also optional numbers play a period registration mark point as " 60 " conduct more than preceding 5 one weeks of the dialer of rotation earlier, then backward rotation dialer 5 is to the number registration mark point of " 80 ", operate dialer 5 decodings thus one by one, then unblank, after locking, arbitrarily rotate dialer 5, the spacing dead bolt 10 of groove 9 misalignment gets final product.

Claims

1, a kind of mechanical code lock, by the dead bolt system, compositions such as cryptographic system that a plurality of password assemblies are formed and anti-technical opening system, it is characterized in that: the coding axle (1) of password assembly and decoding axle (2) are same axis arranged, coding axle (1) tail end fastening washer (3), code-locking device (4) can be taken out coding (1) locking, decoding axle (2) one ends fastening dialer (5), the other end is equipped with pressure apparatus (6) and is overlapping a spacing rotating disk (7), on the first face of spacing rotating disk (7), fixing spacer pin (8), periphery has a groove (9), and whether the spacing tongue lock (10) in the dead bolt system can enter groove (9) is determining opening or closing of coded lock; Decoding axle (2) drives spacing rotating disk (7) by pressure apparatus (6) and rotates, and after spacer pin (8) was run into washer (3), spacing rotating disk (7) stopped operating, and decoding axle (2) still can rotate in the same way; Anti-technical opening system is the cambered surface briquetting (12) of a band extension spring (11), and the other end of extension spring (11) is fixed on the casing, and spacing dead bolt (10) and extension spring (11) acting in conjunction can be advanced and retreat cambered surface briquetting (12) synchronously with spacing dead bolt (10).

2, mechanical code lock according to claim 1, it is characterized in that: described code-locking device (4) comprises that head is " U " shape opening, the centre has the code-locked sheet (13) of pilot hole, the guiding of passing pilot hole and being fixed on the casing is locked (14) and is positioned at code-locked sheet (13) below, the code-locked button (15) that has cam is formed, and code-locked button (15) is installed on the casing.

3, mechanical code lock according to claim 1 is characterized in that plug (20) that described pressure apparatus (6) is pressing closer spacing rotating disk (7) inwall by stage clip (19) in the through hole (18) of decoding axle (2) end and two ends, aperture is formed.

4, according to claim 1 or 3 described mechanical code locks, it is characterized in that: described pressure apparatus (6) is to make on the decoding axle (2) to take out shoulder (25), be inserted in spacing rotating disk (7), stage clip (26) successively, packing ring (27) rivet clasp makes spacing rotating disk (7) be close to the shaft shoulder (25) at the axle head mouth.