CN101492981B

CN101492981B - Anti-theft lock without key

Info

Publication number: CN101492981B
Application number: CN2009100142938A
Authority: CN
Inventors: 张廷山
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-25
Filing date: 2009-02-25
Publication date: 2012-01-11
Anticipated expiration: 2029-02-25
Also published as: CN101492981A

Abstract

The invention discloses an anti-theft lockset, in particular to a key-free anti-theft lockset, comprising an outer handle, a lock plunger and a password sheet. The lockset is characterized in that the lock plunger is connected with the outer handle by a vertical pull rod; the vertical pull rod, a horizontal pull rod and the lock plunger constitute a link mechanism; a link stopper is fixed at the lock plunger; the password sheet is contacted with a driving wheel; the driving wheel is articulated with a driven wheel; the driven wheel is coaxially connected with the sheet; and the back side of the sheet is provided with a filling piece. The lockset has the beneficial effects that the lock set has simple structure and safe use, a password alone is needed to achieve excellent anti-theft function so as to eliminate the trouble of using a key, and the lockset can be widely used to common occasions such as family, public places and the like, as well as industries with high confidentiality requirement such as banks, safes and the like; the lockset has good confidentiality, thereby ensuring safe use.

Description

Anti-theft lock without key

(1) technical field

The utility model relates to a kind of lock, particularly a kind of anti-theft lock without key.

(2) background technology

Theftproof lock in the market is multifarious, and many theftproof locks also need key in the needs password; If key is lost, it is just quite difficult to want to open theftproof lock, also has a lot of coded locks that get; Do not need key, but in the face of such lock, deep thief might judge correct password with hearing, feel to lock research; Lock is opened, and lock has just lost the meaning of antitheft.

(3) summary of the invention

The utility model provides a kind of convenient and safe anti-theft lock without key in order to remedy the deficiency of prior art.

The utility model is realized through following technical scheme:

A kind of anti-theft lock without key comprises outer handle, locking bolt, cipher chips, it is characterized in that: described locking bolt is connected through vertical connecting rod with outer handle; Vertical connecting rod, drag link, locking bolt constitute linkage; Be fixed with block on the locking bolt, described cipher chips contacts with driving wheel, driving wheel and driven pulley interlock; Driven pulley is connected with card is coaxial, and the rear side of card is provided with pad.When password was correct, driving wheel drove driven pulley and rotates, and made the groove alignment stops youngster just in time on the card, rotated outer handle, and latch is mobile under the traction of locking bolt spring, just can open.Described cipher chips is connected with lock gear through central axis, and drag link is provided with the gear locking device that is complementary with lock gear.

The more excellent technical scheme of the utility model is: the front end of locking bolt is connected with latch through spring, and Internal handle is installed on the latch, and described drag link is provided with the locking device that is complementary with driving wheel, and described driving wheel is an angular wheel.

The beneficial effect of the utility model is: simple in structure; Safe in utilization, only need password just can play good antitheft effect, saved the trouble of key; Can be widely used in common occasions such as family, public arena; Also be applicable to security requirements such as bank, safety cabinet than higher industry, good confidentiality, safety is relieved.

(4) description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Accompanying drawing 1 is the utility model inside structure sketch map;

Accompanying drawing 2 is the utility model outboard structure sketch map;

Accompanying drawing 3 is the utility model gear structure sketch map;

Accompanying drawing 4 is the utility model card sketch map;

Accompanying drawing 5 is the utility model cipher chips structural representation.

Among the figure, 1 cipher chips, 2 lock gear, 3 driving wheels, 4 drag links, 5 vertical connecting rods, 6 Internal handles, 7 latches, 8 locking bolts, 9 blocks, 10 cards, 11 driven pulleys, 12 outer handles.

(5) specific embodiment

Accompanying drawing is a kind of specific embodiment of the utility model.This embodiment comprises Internal handle 6, outer handle 12, locking bolt 8, cipher chips 1; It is characterized in that: described locking bolt 8 is connected through vertical connecting rod 5 with outer handle 12, and vertical connecting rod 5, drag link 4, locking bolt 8 constitute linkage, are fixed with block 9 on the locking bolt 8; Described cipher chips 1 contacts with driving wheel; Driving wheel 3 and driven pulley 11 interlocks, driven pulley 11 and 10 coaxial connections of card, the rear side of card 10 is provided with pad; Described cipher chips 1 is connected with lock gear 2 through central axis, and drag link 4 is provided with the gear locking device that is complementary with lock gear 2; Described locking bolt 8 front ends are connected with latch 7 through spring, and Internal handle 6 is installed on the latch 7.During pinning, latch 7 extends, and the groove on the card 10 is not corresponding with block 9, and locking bolt 8 can't stretch; The groove of not adjusting on the password card 1 cannot align with block, and block can not be through card 10, and locking bolt 8 just can't move backward; Latch 7 just cannot be opened like this, has only when password is correct, and driving wheel 3 drives driven pulley 11 and rotates; Make the groove alignment stops youngster 9 just in time on the card 10, rotate outer handle, latch 7 moves under the traction of locking bolt spring; Door just can have been opened, and adjusts password smoothly, in case password is found by others.If the people directly rotates Internal handle 11 in the inboard, handle just drives latch and moves, and door just has been opened.

Also have the spring of vertical direction in the block, the corresponding direction of the below of block and groove is a vertical plane, and another side is domatic that radian is arranged.After unblanking like this, block under the spring action of vertical direction, even not corresponding with groove, also can self-return.

If be applied on the equipment of safety cabinet and so on, only need be under the situation of external opening, latch, spring and Internal handle removed get final product.

The lockset that common lockset is for example used on the bicycle is provided with a convexity that moves forward and backward on locking bolt, can promote to get final product with finger; This convexity can drive vertical connecting rod equally and drag link moves, and a disposable card is set on lock body; Be provided with spring card slot in the lock body, password reserve learn off after, card is inserted lock body; Card just can't take out, and this lockset can only oneself be changed password before card inserts, insert the back and just need not revise.Card separates with lock body before lockset is sold, and the people who only has this lock has inserted lock body with card, and password could be set, and it is non-exchange to insert the back password.

A lot of thieves are more to coded lock research, and they through letting locking bolt 8 contact with the jack per station of coded lock, perhaps with feel judge correct password through listening according to the sense of hearing or other experiences; In order to prevent that through the position of experience or hearing test card upper groove, cipher chips is connected with lock gear through central axis to the many thieves of coded lock research; If under the situation of password bad, touch outer handle, drag link is movable; Locking device on the drag link will block lock gear, and card just cannot be movable, and driving wheel just cannot be movable like this; Driven pulley also cannot move, and just can not measure correct password through the method for test.

In the time of need resetting password, the pin on the axle that connects driven pulley and card is pulled up, moved driven pulley and card to direction away from driving wheel; Like this, driving wheel and driven pulley separate, no longer interlock; Password on the driving wheel is set; After confirming, make its driven pulley interlock that contacts with card again, password setting finishes like this.

A password card is provided with a plurality of numerals, in order to ensure safety several groups of passwords can be set more, and coded lock can replace key lock fully; If a password card is provided with 60 numerals; Three coded locks are set, need test 216000 times, could lock be opened according to probabilistic operation; It is quite difficult driving a lock like this, has generally speaking guaranteed safety.Simple in structure, safe in utilization, only need password just can play good antitheft effect; Saved the trouble of key, can be widely used in common occasions such as family, public arena, be applicable to that also security requirements such as bank, safety cabinet are than higher industry; Good confidentiality, safety is relieved.

Claims

1. anti-theft lock without key; Comprise Internal handle (6), outer handle (12), locking bolt (8), cipher chips (1); It is characterized in that: described locking bolt (8) is connected through vertical connecting rod (5) with outer handle (12), and vertical connecting rod (5), drag link (4), locking bolt (8) constitute linkage, are fixed with block (9) on the locking bolt (8); Described cipher chips (1) contacts with driving wheel (3); Driving wheel (3) and driven pulley (11) interlock, driven pulley (11) and card (10) contact and coaxial the connection, the rear side of card (10) is provided with pad; When password was correct, driving wheel (3) drove driven pulley (11) and rotates, and made the groove alignment stops youngster (9) just in time on the card (10), rotated outer handle, and latch (7) is mobile under the traction of locking bolt spring, just can open; Cipher chips (1) is connected with lock gear (2) through central axis, and drag link (4) is provided with the gear locking device that is complementary with lock gear (2).

2. anti-theft lock without key according to claim 1 is characterized in that: described locking bolt (8) front end is connected with latch (7) through spring, and Internal handle (6) is installed on the latch (7);

3. anti-theft lock without key according to claim 1 is characterized in that: described driven pulley (11) is provided with the pin that is used for fixing them with the connecting axle of card (10).

4. anti-theft lock without key according to claim 1 is characterized in that: described drag link (4) is provided with the locking device that is complementary with driving wheel (3).

5. anti-theft lock without key according to claim 1 is characterized in that: described driving wheel (3) is an angular wheel.