CN103276969A

CN103276969A - Limiting mechanism of mechanical combination lock

Info

Publication number: CN103276969A
Application number: CN2013101664039A
Authority: CN
Inventors: 覃玉续
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-08
Filing date: 2013-05-08
Publication date: 2013-09-04
Anticipated expiration: 2033-05-08
Also published as: CN103276969B

Abstract

The invention discloses a limiting mechanism of a mechanical combination lock. The limiting mechanism of the mechanical combination lock is composed of a password body and grooves, wherein a password bar bayonet lock and a spring bolt bayonet lock are arranged on the password body, a password bar combination block is embedded in the password body, passwords are set through a rotating wheel, each password bar combination block single body is a gear bar, and the groove is formed in the upper end of each password bar combination block single body. The limiting mechanism of the mechanical combination lock can be directly refitted and formed in an existing ordinary mechanical lock, the limiting mechanism of the mechanical combination lock is safe and reliable in structure, and the problems that a traditional limiting mechanism of the mechanical combination lock is high in cost and unauthorized unlocking can not be prevented after the passwords are revealed are solved.

Description

A kind of position-limit mechanism of mechanical code lock

Technical field

The present invention relates to the mechanical code lock technical field, especially relate to the mechanical code lock position-limit mechanism that also can prevent release under a kind of password leak case.

Background technology

At present, the mainly spacing and Digital Logical Circuits realization control by digital dial-type based on the spacing control of existing coded lock, because digital expressing, the method of input password is expressed, particularly utilize the input process of camera picked-up password now, carry out the password cracking coded lock easily, the safety factor of coded lock is affected.The spacing form of coded lock that following several types is arranged in the prior art.

1. light-operated position-limit mechanism of LED logic, notice of authorization number is CN102542640A, CN202108336U, it is converted to the LED visible light signal with the preset password data and is stored in the door key, release behavior by optical signal control coded lock, the position-limit mechanism of this form relies on power system fully the power transmission is provided, door lock just can be opened when having a power failure, the media of release simultaneously also relies on the peripheral hardware physical key fully and realizes, just not saying the preparation of key originally needs extra cost, under the stolen situation of key with common door lock indistinction.

2. a fingerprint recognition is controlled position-limit mechanism, notice of authorization number is CN102864985A, this spacing control is in the front of the lockset casket of common lock Fingerprint Identification Unit to be set, control the locking device of common lock by the control device of Fingerprint Identification Unit, this mode is not broken away from the dependence to power system equally, the fingerprint recognition system cost that installs additional simultaneously is higher, in use, the problem that the fingerprint recognition system insufficient sensitivity often occurs, under moist or abominable outdoor environment of rainy day, the lock body recognition system is very easily damaged, and the user is when unblanking, the fingerprint part must keep clean to identify and unblank, and this feels embarrassment very for the user that can't unblank under the dirty situation of some hand.

3. the revolving dial formula position-limit mechanism of a spring compression type, granted patent number is CN102535974A, CN202324863U, CN201915711U, it utilizes central axis to run through a plurality of dial mechanism of setting, and compress dial and frictional force is provided with spring mechanism, the recessed breach of taking turns of dial correspondence is switched in the axially-movable of axle centered by its releasing process, makes central axis realize locking and unlocking process.The axial operation of this limit method very easily causes top cam mechanism under acting force of the spring and dislocation takes place tilts, and makes cam notch to align and cause spacing failure.

4. a key formula is hidden the coded lock position-limit mechanism, granted patent number is CN202266105U, with a plurality of revolving dial formula coded lock position-limit mechanisms, granted patent number is CN201825003U, CN201056917Y, CN202152570U, the position-limit mechanism of these coded locks all is simple just energy release of dependence numerical ciphers, if password suffers to reveal just directly release, these are locked under the tangible numerical ciphers leak case, the mode of occupation at password does not limit, and its security performance finding is general.

In sum, the caging system of core in the at present existing encryption lock, exist cost high, external environment condition requires the harsh and serious defective that relies on during use, exist defective very easily to cause the release failure simultaneously in some position-limit mechanism, moreover, do not remove the requirement on mode of operation when spacing to express numerical ciphers in use in the existing encryption lock, this security performance to coded lock causes and has a strong impact on.

Summary of the invention

Under above-mentioned situation, the invention provides a kind of simple in structure, with low cost and can prevent the mechanical lock position-limit mechanism that password is revealed, it is with high costs to solve Current Password lock position-limit mechanism, and structure is unreliable and can't prevent the problems such as unauthorized release behavior of carrying out after password is revealed.

Design scheme of the present invention is: a kind of position-limit mechanism of mechanical code lock, constituted by password body and groove, and the password body is provided with code-bar bayonet lock and dead bolt bayonet lock, and the code-bar combination block is embedded in the password body, and by moving runner password is set.Code-bar combination block monomer is the gear bar, and the upper end has groove, and its quantity is 5, and code-bar one (6) length of band right-angled bend wherein is than moving runner (11) the outside circle perimeter length of long 1 ~ 2 times of other no corner code-bar length.Moving runner is the spur gear post, and tip diameter is 20 ~ 36 millimeters, and the number of teeth is 17 ~ 35.The password body is made of rectangle sheet code-bar, and code-bar length is 3 ~ 8.5 times of moving runner outside circle girth.

The position-limit mechanism of a kind of mechanical code lock that the present invention proposes, reliable in structure, use key that both can be simple locks and release in use, also can only operate by numerical ciphers, key cooperates encryption with numerical ciphers after, even obtained under key and the password situation, do not understand that the mode of unblanking still can't carry out release.The correct mode of unblanking can be understood as a kind of private mark of broad sense, and this is for also playing antitheft effect under the situation that the door lock plain code is revealed and key is stolen, and this is a kind of significant raising for the safety of coded lock.In addition, realization of the present invention can directly convert in existing common mechanical lock, and this provides the economical and reliable safety guarantee again one time for the user that the standard machinery lock is installed.

Description of drawings

Fig. 1 is structural representation of the present invention.

Fig. 2 is code-bar structural representation of the present invention.

Fig. 3 assembles schematic diagram for the present invention.

Wherein: 1-password body; The 2-groove; 3-code-bar bayonet lock; 4-dead bolt bayonet lock; 5-code-bar combination block; 6-code-bar one; 7-code-bar two; 8-code-bar three; 9-code-bar four; 10-code-bar five; The 11-moving runner; 12-carves the type dead bolt; 13-tack dead bolt; The 14-shaft locking sleeve; The 15-lock shaft; The 16-combination disk; The 17-spring.

The specific embodiment

Describe a kind of specific embodiment of position-limit mechanism of mechanical code lock in detail below in conjunction with embodiment and accompanying drawing thereof, but the specific embodiment of the present invention is not limited to following embodiment.

As shown in Figure 1, a kind of position-limit mechanism of mechanical code lock, be provided with code-bar bayonet lock 3 and dead bolt bayonet lock 4 at password body 1, at the mode of unblanking and password all under the correct situation, code-bar bayonet lock 3 all can be on the breach 2 that moves under the effect of spring 17 on the password body 1 with dead bolt bayonet lock 4 ends, code-bar bayonet lock 3 and dead bolt bayonet lock 4 just can be controlled the physical location of code-bar breach 2, the spacing and removing function of realization by the rotation of moving runner 11 like this.Moving runner 11 is the spur gear post, and tip diameter is 20 ~ 36 millimeters, and the number of teeth is 17 ~ 35.Password body 1 is made of rectangle sheet gear bar combination block 5, and length is 3 ~ 8.5 times of moving runner 11 outside circle girths, and this set makes the move distance of moving runner 11 on password body 1 can not be limited in the scope of one times of external diameter girth of moving runner 11.Corresponding with it, show on the password rotating disc that externally same numeral just can the diverse location of corresponding moving runner 11 on password body 1, the number of these diverse locations is the ratio of code-bar length and moving runner 11 outside circle girths, has only a position could satisfy the condition that bayonet lock finds breach in these positions.For example, when password is 88888 when being revealed, must know accurately also on the password face that 8 after several circles of rotation could releases, this is the so-called correct mode of unblanking just.

Except the above, also have following concrete enforcement:

Embodiment one, and as shown in Figure 2, code-bar combination block 5 monomers upper end has groove 2, and its quantity is 5, and wherein has 1 to have two sections right-angled bends arbitrarily in 5 code-bars.Code-bar 1 is the code-bar form of band right-angled bend, other code-bar 27, code-bar 38, code-bar 49, code-bar 5 10 are the vertical bar shape, and the code-bar 1 of band right-angled bend is than the moving runner 11 outside circle girths of long 1 ~ 2 times of other no corner code-bars.

Embodiment two, code-bar combination block 5 monomers upper end has groove 2, its quantity is 5, and any non-conterminous two forms that cipher chips is code-bar 1 wherein, namely have two sections right-angled bends, remaining three is the vertical bar shape, and the code-bar 1 of band right-angled bend is than the moving runner 11 outside circle girths of long 1 ~ 2 times of other no corner code-bars.

More than among two embodiment, the effect of the code-bar 1 of band right-angled bend is, when using incorrect release mode release, unordered mobile moving runner 11 will cause right angle turn to drive the movement of no corner vertical bar code-bar, this will change the initial position of code-bar, in case initial position is destroyed, rely on the password of revealing to carry out the unauthorized behavior of unblanking with regard to being difficult to more, only know that at this moment the people of five code-bar initial positions could be by opening door lock after the alignement.The core value place of Here it is this position-limit mechanism, it can still keep the security performance of coded lock requirement under the situation that password is revealed.

As shown in Figure 3, the type of the carving dead bolt 12 that arranges in lock body and tack dead bolt 13 are the conventional components of standard machinery lock, moving runner 11 rotations drive code-bar combination block 5 and move to arrange password, extend in the outside of lock body and to be provided with shaft locking sleeve 14 and combination disk 16 is controlled lock shaft release 15, the cooperation of first half is the same with common key lock between lock shaft 15 and the shaft locking sleeve 14, concrete form of structure is unrestricted, only need size to satisfy and get final product, such arranging can have more the powerful key cylinder that flexible cooperation updates in the market.

Use the position-limit mechanism of the novel mechanical cipher lock of the technology of the present invention, both can be completely free of the coded lock position-limit mechanism to the dependence of power system, simultaneously its structural simple and reliable tangible economic benefits of having brought again.Moreover this kind mechanical code lock position-limit mechanism can be converted on the basis of existing standard machinery lock, can reduce the consumption of raw materials of lock body greatly, and this has also made certain contribution for building economy type sustainable development society.

Claims

1. the position-limit mechanism of a mechanical code lock, constituted by password body (1) and groove (2), it is characterized in that: described password body (1) is provided with code-bar bayonet lock (3) and dead bolt bayonet lock (4), code-bar combination block (5) is embedded in the password body (1), and by moving runner (11) password is set, described code-bar combination block (5) monomer is the gear bar, the upper end has groove (2), its quantity is 5, and code-bar one (6) length of band right-angled bend wherein is than moving runner (11) the outside circle perimeter length of long 1 ~ 2 times of other no corner code-bar length.

2. the position-limit mechanism of a kind of mechanical code lock according to claim 1, it is characterized in that: described moving runner (11) is the spur gear post, and tip diameter is 20 ~ 36 millimeters, and the number of teeth is 17 ~ 35.

3. the position-limit mechanism of a kind of mechanical code lock according to claim 1, it is characterized in that: described password body (1) is made of rectangle sheet code-bar, and code-bar length is 3 ~ 8.5 times of moving runner (11) outside circle girth.