CN203296500U

CN203296500U - Limiting mechanism of mechanical coded lock

Info

Publication number: CN203296500U
Application number: CN2013202442619U
Authority: CN
Inventors: 覃玉续
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-08
Filing date: 2013-05-08
Publication date: 2013-11-20
Anticipated expiration: 2023-05-08

Abstract

The utility model discloses a limiting mechanism of a mechanical coded lock. The limiting mechanism consists of a code body and a groove, wherein the code body is provided with a code bar bayonet lock and a spring bolt bayonet lock, a code bar combination block is inlaid in the code body, and a code is arranged by a rotating wheel. The single code bar combination block is a gear bar with the groove at the upper end. The limiting mechanism of the mechanical coded lock provided by the utility model can be directly refit in an existing common mechanical lock, so that the limiting mechanism is safe and reliable in structure, and solves the problems that the limiting mechanism of conventional coded lock is high in cost, non-authoritative unlocking activities after code leakage cannot be prevented, and the like.

Description

A kind of position-limit mechanism of mechanical code lock

Technical field

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

Background technology

At present, based on mainly and Digital Logical Circuits realization control spacing by digital pull-type of the spacing control of existing coded lock, because number is expressed, the method of input password is expressed, particularly utilize now the input process of camera picked-up password, easily carry out the password cracking coded lock, the safety factor of coded lock is affected.The spacing form of coded lock that following several types is arranged in 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 door key, control the release behavior of coded lock by optical signal, the position-limit mechanism of this form relies on power system fully power transmission is provided, door lock just can be opened when having a power failure, the medium 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, in 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 is 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, this feels very embarrassment for the user that can't unblank in 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 driver plate mechanism of setting, and with spring mechanism, compress driver plate and frictional force is provided, centered by its releasing process, the recessed breach of taking turns corresponding to the axially-movable of axle switching driver plate, make central axis realize the process of locking and release.The axial operation of this limit method very easily causes top cam mechanism under acting force of the spring and dislocation occurs tilts, and makes cam notch to align and cause spacing failure.

4. key formula hidden cipher 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 is all simple just energy release of dependence numerical ciphers, if password suffers to reveal just directly release, these are locked under obvious numerical ciphers leak case, the mode of occupation for password does not limit, and its security performance finding is general.

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

Summary of the invention

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

Design scheme of the present utility model is: a kind of position-limit mechanism of mechanical code lock, formed by password body and groove, and be provided with code-bar bayonet lock and dead bolt bayonet lock on the password body, 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 band is fluted, and its quantity is 5, and other will grow moving runner (11) the outside circle perimeter length of 1 ~ 2 times without corner code-bar length one (6) Length Ratio of the code-bar with right-angled bend wherein.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 consists 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 utility model proposes, reliable in structure, use key that in use both can be simple locks and release, also can only by numerical ciphers, operate, coordinate encryption with numerical ciphers at key after,, even obtained in key and 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 in 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 utility model can directly convert in existing common mechanical lock, and this provides once not only economical but also safety guarantee reliably for the user that the standard machinery lock is installed.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model code-bar structural representation.

Fig. 3 is the utility model assembling schematic diagram.

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 utility model 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 on password body 1, mode and password are all correct in the situation that unblank, code-bar bayonet lock 3 all can be on the breach 2 that moves under the effect of spring 17 on password body 1 with dead bolt bayonet lock 4 ends, code-bar bayonet lock 3 just can be controlled by the rotation of moving runner 11 physical location of code-bar breach 2, the spacing and removing function of realization with dead bolt bayonet lock 4 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 consists 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, only has a position could meet bayonet lock in these positions and finds the condition of breach.For example,, when password is 88888 while being revealed, also must know accurately 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 monomer upper end bands are fluted 2, and its quantity is 5, and wherein has arbitrarily 1 with two sections right-angled bends in 5 code-bars.Code-bar 1 is the code-bar form with right-angled bend, other code-bar 27, code-bar 38, code-bar 49, code-bar 5 10 are the vertical bar shape, with the code-bar 1 of right-angled bend, grow the moving runner 11 outside circle girths of 1 ~ 2 times without the corner code-bar than other.

Embodiment two, code-bar combination block 5 monomer upper end bands fluted 2, its quantity is 5, and any non-conterminous two forms that cipher chips is code-bar 1 wherein, namely with two sections right-angled bends, remaining three is the vertical bar shape, with the code-bar 1 of right-angled bend, grows the moving runner 11 outside circle girths of 1 ~ 2 times without the corner code-bar than other.

In above two embodiment, effect with the code-bar 1 of right-angled bend is, while using incorrect unlocking manner release, the unordered wheel 11 that rotates will cause right angle turn to drive movement without 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 more being difficult to, only know that at this moment the people of five code-bar initial positions could be by opening door lock after alignement.The core value place of Here it is this position-limit mechanism, it can, in the situation that password is revealed, still keep the security performance of coded lock requirement.

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 rotarily drives code-bar combination block 5 and moves to arrange password, extend in the outside of lock body and be provided with shaft locking sleeve 14 and combination disk 16 is controlled lock shaft release 15, between lock shaft 15 and shaft locking sleeve 14, the cooperation of first half is the same with common key lock, concrete form of structure is unrestricted, only need size to meet 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 utility model technology, both can be completely free of the dependence of coded lock position-limit mechanism to power system, simultaneously its structural simple and reliable obvious 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 greatly the consumption of raw materials of lock body, and this has also made certain contribution for building the economy type sustainable development society.

Claims

1. the position-limit mechanism of a mechanical code lock, formed by password body (1) and groove (2), it is characterized in that: be provided with code-bar bayonet lock (3) and dead bolt bayonet lock (4) on described password body (1), code-bar combination block (5) is embedded in password body (1), and by moving runner (11), password is set, described code-bar combination block (5) monomer is the gear bar, upper end band fluted (2), its quantity is 5, other will grow moving runner (11) the outside circle perimeter length of 1 ~ 2 times without corner code-bar length one (6) Length Ratio of the code-bar with right-angled bend wherein.

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) consists of rectangle sheet code-bar, and code-bar length is 3 ~ 8.5 times of moving runner (11) outside circle girth.