CN101302903A

CN101302903A - Password lock core

Info

Publication number: CN101302903A
Application number: CNA2007100221790A
Authority: CN
Inventors: 王伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-08
Filing date: 2007-05-08
Publication date: 2008-11-12

Abstract

The invention relates to a lock, in particular to a lock which is unlocked by codes. The lock comprises a tandem axle fixed with flanged pins along an axial line, dial wheels, a code modulation disc and a shell body, wherein, each dial wheel is fixedly connected with a dialing rod and a dialed rod; the axial hole wall of each dial wheel is provided with an opening and sheathed with the tandem axle sheathed with one end of the shell body; the other end of the shell body is rotatablely connected with a code modulation wheel sheathed on the tandem axle by a dowel pin; the tandem axle is sheathed with at least two groups of dial wheel groups, and at least one dial wheel group at least consists of two dial wheels; the rotating positions of an axial hole with the opening on each dial wheel of the same dial wheel group, the dialing rod and the dialed rod correspond mutually. The lock has no abnormal noise and hand feeling during unlocking process, and the order of code is more disordered when blind code modulation is carried out, thus increasing the difficulty of code cracking and promoting safety property.

Description

A kind of cipher lock core

Technical field:

The present invention relates to lockset, especially the lockset of opening by password.

Background technology:

The structure kind of coded lock is a lot of in the market, and wherein better safety performance is the coded lock that uses on the equipment such as safety cabinet.This coded lock is stirred the dial-up wheel by being rotatably installed in the cabinet accent code-disc of face outdoors, making the accent sign indicating number bar that is fixed on the accent code-disc.Be divided into gap type or projection type according to different structure dial-up wheels.Password of each dial-up wheel expression, mix up password after, all on same straight line, then coded lock can be opened for gap on each dial-up wheel or projection.The coded lock of this kind structure can satisfy normal functional requirement preferably, its weak point is that the coded lock security performance of this kind structure is not very high, some thieves are by adjusting code-disc repeatedly, can go up the position of gap or projection with the sound and the feel judgement dial-up wheel of difference, thereby open coded lock.

Summary of the invention:

The objective of the invention is to provide a kind of cipher lock core, it had not both had unusual sound in opening process, the feel that does not also have difference, do not knowing under the situation of password, in case code-disc is transferred in reverse rotation, then the position entanglement more of each dial-up wheel has increased the decoding difficulty, has improved the security performance of coded lock.

The object of the present invention is achieved like this: a kind of cipher lock core, comprise the string axle that is fixed with protruding nail along axis, the dial-up wheel, transfer code-disc, housing, be connected with on the described dial-up wheel and execute driving lever and be subjected to driving lever, have gap on the center hole wall of this dial-up wheel, and be sleeved on the described string axle, be set with an end of described housing on the described string axle, the other end of described housing and the described accent code-disc that is sleeved on this string axle link together by dowel is rotating, at least be set with two groups of dial-up wheels on the described string axle, wherein have at least one group of dial-up wheels to form by two dial-up wheels at least, have the axis hole of gap on each dial-up wheel of same dial-up wheels, execute driving lever, be subjected to the turned position correspondence of driving lever.

Owing to adopt said structure, change the dial-up wheel of conventional cipher lock pin into the dial-up wheels, and the axis hole on each dial-up wheel of same dial-up wheels, execute driving lever, be subjected to the turned position correspondence of driving lever, promptly being contained in string axle goes up the gap of each dial-up wheel that constitutes same dial-up wheels and is positioned at string axle the same side, and the centre symmetry line of each dial-up wheel gap is in same plane the time, in adjacent two dial-ups wheel on dial-up wheel execute on driving lever and another dial-up wheel be subjected to driving lever along the circumferential direction (hereinafter to be referred as circumferentially) equidirectional (clockwise direction or counter clockwise direction) contact.When code-disc is transferred in the forward and reverse rotation of thief, the not only dislocation of the gap between each dial-up wheels, and also the gap between the dial-up wheels also misplaces on the same group, thus increased the decoding difficulty of coded lock, improve security performance.

Description of drawings:

The present invention is further described below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the embodiment of the invention.

Fig. 2 is the schematic diagram of the turned position correspondence of first dial-up wheels of the present invention.

Fig. 3 is the schematic diagram of the turned position correspondence of second dial-up wheels of the present invention.

The specific embodiment:

Fig. 1, Fig. 2, among Fig. 3, five dial-up

wheels

1,2,3,4, between the 5 protruding nails that are sleeved on the string axle 6 of protruding nail 7, each dial-up wheel all has the centre bore that can overlap, have gap on the hole wall, be fixed with on the excircle and be parallel to executing driving lever and being subjected to driving lever of dial-up wheel axis, transfer code-disc 8 to be sleeved on the top of string axle 6, and by dowel and housing 9 rotating linking together, form the integral body of sealing, that transfers that code-disc 8 circumferentially stirs dial-up wheel 1 clockwise is subjected to driving lever 1-1, dial-up wheel 1 execute that driving lever 1-2 circumferentially stirs dial-up wheel 2 clockwise be subjected to driving lever 2-1, dial-up wheel 2 execute that driving lever 2-2 circumferentially stirs dial-up wheel 3 clockwise be subjected to driving lever 3-1, by that analogy, stir in turn, dial-up wheel 4 execute that driving lever 4-2 stirs dial-up wheel 5 clockwise be subjected to driving lever 5-1.Wherein the dial-up

wheel

1,2,3 is first group of dial-up wheels, dial-up

wheel

4,5 is second group of dial-up wheels, dial-up

wheel

1,2,3,4,5 when transferring code-disc 8 to stir clockwise to clockwise rotate together down, the dial-up wheel 1 of first group of dial-up wheels, 2,3 turned position correspondence, it is dial-up

wheel

1,2,3 each gap are positioned at the same side of string axle 6, and the centre symmetry line of each gap is in same plane, the dial-up wheel 4 of second group of dial-up wheels, 5 turned position correspondence, it is dial-up

wheel

4,5 separately gap are positioned at the same side of string axle 6, and the centre symmetry line of each gap is in same plane.The gap dislocation of two dial-up wheels, string axle 6 can not shift out.Rotate counterclockwise when transferring code-disc 8 when the thief is irregular, dial-up

wheel

1,2,3,4,5 orders rotate counterclockwise, the gap mutual dislocation of any two dial-ups wheel in each dial-up

wheel

1,2,3,4,5, increased the decoding difficulty, pressing password rotates when transferring code-disc 8, clockwise rotate earlier and transfer code-disc 8, the protruding nail 7 of the gap that makes second dial-up wheels and string axle 6 is on same straight line, then counterclockwise, rotate accent code-disc 8 clockwise repeatedly, in turn the gap of dial-up wheel 3, dial-up wheel 2, dial-up wheel 1 is adjusted on the straight line at protruding nail 7 places, string axle 6 shifts out, and opens coded lock.

Structure of the present invention can be installed on the safety cabinet, becomes the safety cabinet coded lock, can be installed on the security door, become anti-theft door cipher lock, can be connected with " U " shape steel loop, form " U " shape ring coded lock, can also form ring like steel wire coded lock, annular chain coded lock etc.

It more than is preferred implementation of the present invention, describedly execute driving lever, be not limited in by driving lever to be installed on the periphery of dial-up wheel, can also be installed on the plane of dial-up wheel, executing driving lever, be subjected to driving lever to be not limited in 1 on the described dial-up wheel, can also be two symmetries install execute driving lever, be subjected to driving lever, describedly execute driving lever, be not limited in by driving lever vertical with the dial-up wheel, can also take turns out of plumb with dial-up, described dial-up wheels are not limited in two groups, can also be many groups.Open washer is equipped with in protruding nail both sides on the described string axle, and its thickness is not less than the width of protruding nail, the influence of when being used for avoiding the dial-up wheel to rotate the front and back dial-up being taken turns.

Claims

1, a kind of cipher lock core, comprise the string axle (6) that is fixed with protruding nail (7) along axis, the dial-up wheel, transfer code-disc (8), housing (9), be connected with on the described dial-up wheel and execute driving lever and be subjected to driving lever, have gap on the center hole wall of this dial-up wheel, and be sleeved on the described string axle (6), be set with an end of described housing (9) on the described string axle (6), the other end of described housing (9) and the described accent code-disc (8) that is sleeved on this string axle (6) link together by dowel is rotating, it is characterized in that: be set with two groups of dial-up wheels at least on the described string axle (6), wherein have at least one group of dial-up wheels to form by two dial-up wheels at least, have the centre bore of gap on each dial-up wheel of same dial-up wheels, execute driving lever, be subjected to the turned position correspondence of driving lever.

2, a kind of cipher lock core according to claim 1, it is characterized in that: the turned position correspondence of described dial-up wheels is the same sides that the gap on each dial-up wheel is positioned at string axle (6) in these dial-up wheels, and the centre symmetry line of each gap is in same plane the time, executing driving lever and being subjected to that driving lever is along the circumferential direction equidirectional to be contacted on the adjacent two dial-ups wheel.

3, a kind of cipher lock core according to claim 1 is characterized in that: executing driving lever (1-2,2-2,3-2,4-2) and be fixed on the excircle of described dial-up wheel (1,2,3,4,5) by driving lever (1-1,2-1,3-1,4-1) on the described dial-up wheel (1,2,3,4,5).

4, a kind of cipher lock core according to claim 1 is characterized in that: executing driving lever (1-2,2-2,3-2,4-2) and be fixed on the plane of dial-up wheel (1,2,3,4,5) by driving lever (1-1,2-1,3-1,4-1) on the described dial-up wheel (1,2,3,4,5).

5, a kind of cipher lock core according to claim 1 is characterized in that: be fixed with one on the described dial-up wheel (1,2,3,4,5) and execute driving lever (1-2,2-2,3-2,4-2) and one and be subjected to driving lever (1-1,2-1,3-1,4-1,5-1).

6, a kind of cipher lock core according to claim 1 is characterized in that: be fixed with two on the described dial-up wheel (1,2,3,4,5) and execute driving lever and two and be subjected to driving lever.

7, a kind of cipher lock core according to claim 1 is characterized in that: protruding nail 7 both sides on the described string axle (6) are set with open washer, and the width of open washer pin is not less than the width of protruding nail (7).