CN216949888U - Password wheel assembly for anti-breaking password lock - Google Patents

Abstract

The utility model discloses a password wheel assembly for an anti-cracking password lock, which comprises a lock body and a lock shaft, and is characterized in that: the lock body is rotatably connected with a plurality of coded wheel assemblies, each coded wheel assembly comprises an outer wheel and an elastic wheel, coded number keys are arranged on the outer wheel, through grooves and interference grooves are formed in the elastic wheels, the through grooves penetrate through the elastic wheels, the through grooves and the interference grooves correspond to the coded number keys, and lock bolts matched with the through grooves and the interference grooves are arranged on the lock shaft.

Description

Password wheel assembly for anti-breaking password lock

Technical Field

The utility model relates to the field of locks, in particular to a coded wheel assembly for an anti-cracking coded lock.

Background

The multi-dial cipher lock is a simplest cipher lock, and a central shaft of the lock is provided with a plurality of protruding lock tongues for clamping a cipher wheel. When the cipher wheel rotates to the correct cipher combination, the lock can be opened.

In the prior art, such combination locks are the easiest to open. Many such locks do not need to know the combination at all and can be opened unless its internal components are made perfect, one of the locking tongues will tighten the combination wheel more than the other locking tongues by pulling the lock shaft outwards. The tightened combination wheel is then rotated until a loose feel is provided or a subtle sound is heard indicating that the locking tongue has entered the correct groove. By repeating this step, the lock can be opened very quickly.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the password wheel assembly for the anti-cracking password lock, when a lock picking person pulls the lock shaft outwards and rotates the password wheel, the lock tongue enters the interference groove and the through groove and has the same hand feeling and sound, the lock picking person cannot judge whether the password is correct through the hand feeling and the sound, and the safety of the password lock is improved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a password wheel subassembly for preventing breaking trick lock, includes lock body and lock axle, its characterized in that: the lock body is connected with a plurality of password wheel subassembly in the last rotation, password wheel subassembly includes foreign steamer and elastic wheel, be equipped with password number key on the foreign steamer, be equipped with logical groove and interference groove on the elastic wheel, it runs through the elastic wheel setting to lead to the groove, just lead to the groove and the interference groove and correspond password number key setting, the epaxial spring bolt that matches with leading to the groove and interference groove that is equipped with of lock.

Through adopting above-mentioned technical scheme, when picking the lock person with the lock axial draw outward and rotatory password wheel, because lead to the groove and disturb the equal password number key setting that corresponds of groove, the spring bolt is when getting into disturb the groove and lead to the groove, pick the lock person and can both experience the same feeling and sound to it is correct that picking the lock person can't judge the password through feeling with sound, has improved the security of trick lock, the spring bolt is after getting into disturb the groove, because disturb the groove and not run through the elastic wheel, the lock shaft can't upwards pull out and open the trick lock.

The utility model is further configured to: the interference groove is a groove of the elastic wheel in the axial direction, and the size of the interference groove from the center of the elastic wheel is equal to the size of the through groove from the center of the elastic wheel.

By adopting the technical scheme, when the lock tongue enters the interference groove or the through groove, the hand feeling felt by an unlocking person is the same as the sound emitted by the coded lock, and a lock picking person is difficult to judge whether the code is correct.

The utility model is further configured to: the interference groove comprises a shallow groove and a deep groove, and the depth dimension of the shallow groove in the axial direction of the elastic wheel is smaller than that of the deep groove in the axial direction of the elastic wheel.

Through adopting above-mentioned technical scheme, a plurality of interference grooves have two kinds of depths of depth, shallow, and the spring bolt gets into the deep groove or gets into logical groove from the shallow slot, all can make the person of unblanking feel the same and feel and sound, has increased the degree of difficulty that the person of picking the lock judges correct password, has improved the security of trick lock.

The utility model is further configured to: the inner peripheral surface of the outer wheel is provided with clamping grooves, the elastic wheels are provided with clamping blocks matched with the clamping grooves, and arc-shaped bulges facing the circle center of the outer wheel are formed between every two adjacent clamping grooves.

Through adopting above-mentioned technical scheme, the foreign steamer passes through the draw-in groove with the block realization coaxial rotation of elastic wheel through draw-in groove, and the bellied design of arc can avoid the user when changing the password, and the fixture block on the elastic wheel rotates and stops between two draw-in grooves to avoid the user to remember wrong password, made things convenient for the operation of trick lock and used.

The utility model is further configured to: the annular array has the elasticity plectrum on the foreign steamer, the relative logical groove dislocation set of elasticity plectrum in lock axle axial direction, the elasticity plectrum is used for making a sound with the spring bolt collision.

Through adopting above-mentioned technical scheme, the foreign steamer is when rotatory, and the elasticity plectrum bumps with the spring bolt and makes a sound, and the interference picklock person judges whether the password is correct through sound.

In conclusion, the utility model has the following beneficial effects:

according to the utility model, through the design of the interference groove, the interference groove and the through groove both correspond to the password number keys, so that when a lock picking person pulls the lock shaft outwards and rotates the password wheel, the elastic wheel synchronously rotates, the tensioned lock tongue can enter the interference groove or the through groove, and as the interference groove has two depths of the deep groove and the shallow groove, the lock tongue can enter the deep groove from the shallow groove and the through groove or enter the interference groove from the flat surface at the bottom end of the elastic wheel, the lock picking person cannot easily judge the correct password through hand feeling and sound, the possibility that the lock picking person breaks the password through hand feeling and sound is avoided, and the difficulty in password breaking is improved.

According to the utility model, through the collision matching of the elastic shifting piece and the lock tongue, when the password wheel is rotated, the password wheel and the elastic shifting piece collide to generate sound, so that a lock picking person can be interfered to judge the correct password through the sound, and the safety of the password lock is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a lock body in the embodiment;

FIG. 2 is a bottom view of the combination wheel assembly of the present embodiment;

FIG. 3 is a top view of the code wheel assembly of the present embodiment;

fig. 4 is a schematic view of the structure of the lock shaft and the elastic wheel in the present embodiment.

Reference numerals: 1. a lock body; 2. a lock shaft; 21. a latch bolt; 3. a code wheel assembly; 31. an outer wheel; 311. a card slot; 312. an elastic shifting piece; 32. an elastic wheel; 321. a through groove; 322. an interference slot; 3221. shallow-groove; 3222. deep grooves; 323. and (7) clamping blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a password wheel assembly for preventing from breaking a password lock, as shown in fig. 1-4, the password wheel assembly comprises a lock body 1 and a lock shaft 2, three password wheel assemblies 3 are rotatably connected to the lock body 1, each password wheel assembly 3 comprises an outer wheel 31 and an elastic wheel 32, ten password number keys from zero to nine are arranged on the outer wheel 31, through grooves 321 and interference grooves 322 are arranged on the elastic wheels 32, the through grooves 321 penetrate through the elastic wheels 32, the interference grooves 322 have a certain depth but do not penetrate through the elastic wheels 32, as shown in fig. 2 and 4, only one through groove 321 is arranged, 6 interference grooves 322 are arranged, the through grooves 321 and the interference grooves 322 correspond to the password number keys, wherein 3 password number keys do not have corresponding through grooves 321 or interference grooves 322, on the basis that the through grooves 321 and the interference grooves 322 correspond to the password number keys, the number and arrangement of the interference grooves 322 can be changed, be equipped with on the lock axle 2 with logical groove 321 and disturb groove 322 assorted spring bolt 21, the inner peripheral surface of foreign steamer 31 is equipped with draw-in groove 311, elastic wheel 32 is equipped with the fixture block 323 with draw-in groove 311 phase-match and block, consequently, it can drive the coaxial rotation of elastic wheel 32 to rotate foreign steamer 31, when the logical groove 321 of three password wheel subassembly 3 all coincided with spring bolt 21 on lock axle 2 axial direction, lock axle 2 can outwards be pulled out and pass logical groove 321, opens the trick lock.

In order to prevent a person who picks the lock from pulling out the lock shaft 2 to rotate the tightened code wheel, and try out a correct code according to a hand feeling and sound method, the interference groove 322 of the present invention has a dimension from the center of the elastic wheel 32 equal to the dimension of the through groove 321 from the center of the elastic wheel 32, so that the locking tongue 21 can enter the interference groove 322 and the through groove 321 under the above operation method, wherein the interference groove 322 includes a shallow groove 3221 and a deep groove 3222, and the depth of the deep groove 3222 in the axial direction of the elastic wheel 32 is greater than that of the shallow groove 3221, but the rotation of the elastic wheel 32 is not affected after the locking tongue 21 enters the interference groove 322.

Based on the above arrangement, when a lock picking person pulls the lock shaft 2 outwards and rotates the tightened password wheel, the lock tongue 21 enters the interference groove 322 from a position where the lock tongue does not enter the interference groove 322, or enters the deep groove 3222 from the shallow groove 3221, or enters the through groove 321 from the deep groove 3222, the three conditions all have the same loosening hand feeling and sound, the difficulty of judging the correct password by the lock picking person is increased, the lock picking person cannot find the correct password quickly, and the safety performance of the password lock is improved.

On the basis of the arrangement, the outer wheel 31 is also provided with the elastic poking sheets 312 in an annular array, and when the outer wheel 31 rotates, the elastic poking sheets 312 collide with the bolt 21 and make a sound, so that a method for a lock picker to judge the password according to the sound is further interfered.

Further, an arc protrusion facing the center of the outer wheel 31 is formed between the two adjacent clamping grooves 311, so that when a user changes a password, the clamping block 323 on the elastic wheel 32 cannot rotate and stop on the arc protrusion, the position of the through groove 321 cannot be located between the two password number keys, the password is prevented from being wrongly recorded when the user changes the password, and the password lock is convenient to operate and use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims (5)

1. The utility model provides a password wheel subassembly for preventing breaking trick lock, includes lock body (1) and lock axle (2), its characterized in that: the utility model discloses a lock body, including lock body (1), be connected with a plurality of password wheel subassembly (3) in the rotation, password wheel subassembly (3) are including foreign steamer (31) and elastic wheel (32), be equipped with password number key on foreign steamer (31), be equipped with logical groove (321) and interference groove (322) on elastic wheel (32), it runs through elastic wheel (32) setting to lead to groove (321), just lead to groove (321) and interference groove (322) and correspond password number key setting, be equipped with on lock axle (2) and lead to groove (321) and interference groove (322) assorted spring bolt (21).

2. A code wheel assembly for a tamper-resistant combination lock, as claimed in claim 1, wherein: the interference groove (322) is a groove of the elastic wheel (32) in the axial direction, and the size of the interference groove (322) from the center of the elastic wheel (32) is equal to the size of the through groove (321) from the center of the elastic wheel (32).

3. A code wheel assembly for a tamper-resistant combination lock, as claimed in claim 2, wherein: the interference groove (322) comprises a shallow groove (3221) and a deep groove (3222), and the depth dimension of the shallow groove (3221) in the axial direction of the elastic wheel (32) is smaller than the depth dimension of the deep groove (3222) in the axial direction of the elastic wheel (32).

4. A code wheel assembly for use in a tamper-resistant combination lock, as claimed in claim 1, wherein: the inner circumferential surface of the outer wheel (31) is provided with a clamping groove (311), the elastic wheel (32) is provided with a clamping block (323) matched with the clamping groove (311), and an arc-shaped bulge facing the center of the outer wheel (31) is formed between every two adjacent clamping grooves (311).

5. A code wheel assembly for a tamper-resistant combination lock, as claimed in claim 1, wherein: the lock is characterized in that elastic shifting pieces (312) are arranged on the outer wheel (31) in an annular array, the elastic shifting pieces (312) are arranged in a staggered mode relative to the through groove (321) in the axial direction of the lock shaft (2), and the elastic shifting pieces (312) are used for colliding with the lock bolt (21) to make a sound.

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