CN201306056Y

CN201306056Y - Digital mechanical anti-burglar lock

Info

Publication number: CN201306056Y
Application number: CNU2008201595902U
Authority: CN
Inventors: 龙明魁
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-03
Filing date: 2008-12-03
Publication date: 2009-09-09
Anticipated expiration: 2018-12-03

Abstract

The utility model discloses a digital mechanical anti-burglar lock. A digital box of the lock is mounted on the outer surface of a door leaf; the lock core is fixed on a transverse clapboard of the digital box; a stirring board is sleeved on a square stern post of the lock core; a spring leaf is arranged at the lower end of the stirring board; the spring leaf can stir a door pull rod and a door rod block which control the open and the shut of the digital door; 3 to 8 digital grooves separated by longitudinal clapboards are formed in the digital box; a clamping strip passes through center holes of all the clapboards; a clamping gear and a set collar sleeved on the clamping strip are arranged in each digital groove; a break is formed in the center hole of each clamping gear; a clamping block is correspondingly arranged on the clamping strip; each clamping gear is provided with a rack which is meshed with the clamping gear and leans close to a box cover plate; strip holes labeled with numbers 0 to 9 and corresponding to the racks are formed on the box cover plate; and one end of the digital pull rod is hinged on the clamping strip, and the other end thereof is hinged on the stirring board. The lock has the characteristics that only by using a key, can people open the digital door and stir digits, and only when the digits are correct, can people continue to use the key to rotate the lock core and open the door; and the lock has the advantages of excellent anti-burglar performance, simple structure and low cost, and is suitable for the consumption level of common people.

Description

Digital mechanical anti-theft lock

Technical field

The switching device of using on a kind of door, promptly door lock belongs to the door furniture product scope.

Background technology

The existing mechanical door lock is made up of with the lock body that is installed in the door leaf inboard the lock core that is positioned in the door leaf, though simple in structure, sturdy and durable, low cost of manufacture, installation are easy, but theftproof performance is poor, and its lock core is easy to be twisted with the skilled unlocking method by the thief, thereby easily door is opened.That is to say that for the robber of mastering a skill property method for unlocking, mechanical door lock is nothing but an empty shell.Also occurred the organizations and individuals of some specialty professor skilled unlocking methods in recent years, the situation is tense more to make social security, and the larceny case of crossing the threshold increases sharply, and serious threat is lived and worked in peace and contentment to people's.

Occurred some at present and can discern the electronic lock of fingerprint, pupil, opened the door and go into though can effectively prevent robber's operation technique method for unlocking, complex manufacturing technology costs an arm and a leg, and still can not popularize and promote the use of.

Summary of the invention

The purpose of this utility model provides a kind of digital mechanical anti-theft lock, accomplishes that theftproof performance is good, and cost of manufacture is low.

The utility model comprises the lock body that is installed on the door leaf inner surface, improvements are that digital box is installed on the door leaf external surface, the lock core that partly exposes outside is fixed on the digital box diaphragm, the through hole that the flat dwang of lock core passes on the door leaf is inserted in the main rotation fork of lock body, dial sleeve-board on the square stern post of lock core, dial the plate lower end and be equipped with reed, front end has the door pull bar of hook to intert in guide holder, the badge bar that is close on the digital box cover plate is fixedly connected with the door pull bar, there is back-moving spring to be enclosed within on the pull bar between guide holder and the badge bar, the badge boom end is positioned at the square opening place of cover plate below, digital door top is hinged on the lid plate top edge by the post lock, spring housing is locked at post, digital student Fang You and the corresponding grab of square opening; 3～8 digital grooves that are divided into by midfeather are arranged in the digital box box body, card article is set in all midfeather centre bores, each digital groove inside has latch wheel and centring ring to be enclosed within on the card article, in each latch wheel centre bore gap is arranged, the cross section fixture block littler than gap should be arranged on the card article mutually, each latch wheel has the tooth bar on lid plate pressed close to that is engaged with, have on the lid plate and the corresponding bar hole that indicates Arabic numerals 0～9 of tooth bar, the plectrum lower end is fixed on the tooth bar, the upper end is stuck on the bar hole outside, digital pull bar one end is hinged on the card article, the other end is hinged on to be dialled on the plate, and digital pull bar pin joint is 100～110 degree to the angle between the line of dialling the plate center of rotation and group vertical center line of plate.

Operating principle of the present utility model and using method are as follows:

When password box was installed, the gap that each latch is taken turns was aimed at the fixture block on the card article, each plectrum on the lid plate is pushed on the digital position of desire setting, lid plate was fixed on the digital box box body to get final product then.Reset password if desired, as long as lid plate is opened, stir plectrum again to the digital position that desire is provided with, the cover plate that closes again then gets final product.

Under the normal condition, digital door closure is lived lid plate, and its grab is inserted in the lid plate square opening, and the badge boom end is stuck in the grab, does not have key not open digital.When opening the door, key is injected lock core make about lock core deflection 30 degree, lock core drives dials plate deflection, dials plate and stirs a pull bar reach through reed, and the door pull bar drives the badge bar and breaks away from digital badge hook, and digital door is opened under spring action.If not to good password, promptly have at least the gap of a latch wheel not aim at the fixture block on the card article, the latch wheel then blocks fixture block, and card article can not move forward.At this moment card article is held through digital pull bar and is dialled plate, can not make lock core continue deflection with key.If to good password, card article is not blocked by the latch wheel so, and card article will be dialled plate pulling reach, at this moment make lock core continue deflection with key, and the flat dwang on the lock core then drives in the dead bolt withdrawal lock body, and door is opened.

Compared with the prior art, characteristics of the present utility model are just can open digital door with key to dial number, dial logarithmic code and could continue to open the door with the key rotary locking cylinder, and theftproof performance is very good, and simple in structure, and is cheap, is fit to the level of consumption of ordinary people.

Description of drawings

Fig. 1 is digital mechanical anti-theft lock assembling left view

Fig. 2 is that the A of Fig. 1 is to sectional view (the digital box part of only drawing)

Fig. 3 is that the B of Fig. 2 is to partial sectional view

Fig. 4 is digital mechanical anti-theft lock rear elevation (a digital door open mode)

Fig. 5 is that the C of Fig. 2 is to cutaway view Amplified image

Fig. 6 is that the D of Fig. 1 is to sectional view (lock body part only draws)

Fig. 7 is that the E of Fig. 6 is to sectional view

Fig. 8 is that the F of Fig. 6 is to sectional view

Fig. 9 is the clamp front view

Figure 10 is the clamp vertical view

The specific embodiment

The utility model comprises the lock body 4 that is installed on door leaf 2 inner surfaces, difference is that digital box 1 is installed on door leaf 2 external surfaces, the lock core 3 that partly exposes outside is fixed on digital box 1 diaphragm 11, the through hole that the flat dwang 31 of lock core 3 passes on the door leaf 2 is inserted in the main rotation fork 41 of lock body 4, dialling plate 5 is enclosed within on the square stern post 32 of lock core 3, dial plate 5 lower ends and be equipped with reed 6, front end has the door pull bar 7 of hook to intert in guide holder 12, the badge bar 8 that is close on digital box 1 lid plate 13 is fixedly connected with door pull bar 7, there is back-moving spring to be enclosed within on the pull bar 7 between guide holder 12 and the badge bar 8, badge bar 8 ends are positioned at square opening 14 places of lid plate 13 belows, digital door 15 tops are hinged on lid plate 13 top edges by pin 10, spring 9 is enclosed within on the pin 10, and digital door 15 belows have and the corresponding grab 16 of square opening; 6 digital grooves 18 that are divided into by midfeather 17 are arranged in digital box 1 box body, card article 19 is set in all midfeather 17 centre bores, all there are latch wheel 20 and centring ring 21 to be enclosed within on the card article 19 in each digital groove, each latch is taken turns gap 22 in 20 centre bores, the cross section fixture block 23 littler than gap 22 should be arranged on the card article 19 mutually, each latch wheel 20 has the tooth bar 24 on lid plate 13 pressed close to that is engaged with, have on the lid plate 13 and the tooth bar 24 corresponding bar holes 26 that indicate Arabic numerals 0～9, plectrum 25 lower ends are fixed on the tooth bar 24, the upper end is stuck on bar hole 26 outsides, digital pull bar 27 1 ends are hinged on the card article 19, the other end is hinged on to be dialled on the plate 5, and digital pull bar 27 pin joints are 100～110 degree to the angle between the line of dialling plate 5 centers of rotation and group plate 5 vertical center lines.

In order to prevent that the robber from opening door with the method that prizes dead bolt, present embodiment is provided with anti-picking device in lock body (4), be that the below installs bearing pin 42 additional in the lock body 4, dialling 43 of band pellet shot from a slingshot alignment pin is equipped with in bearing pin 42 outer ends, shift fork 44 is equipped with in the inner, have on end plates 46 sides of dead bolt bar 45 and shift fork 44 corresponding gap, mutually lower extending plate 48 should be arranged on the base plate of main rotation fork 41, clamp 49 is hinged on the lower extending plate 48 through bearing pin 50, there are card post 51 and lower end to expose the pellet shot from a slingshot alignment pin 52 of pellet shot from a slingshot 53 on clamp 49 upper surfaces, the backstay 54 that can slide along the lower extending plate edge is arranged on clamp 49 soffits, have on the lower extending plate 48 and pellet shot from a slingshot 53 corresponding grooves and and backstay 54 corresponding screens.

The pick-proof principle is as follows: rotate counterclockwise 43 when putting in place when dialling, shift fork 44 drives clamp 49 through card post 51 and puts in place clockwise, and the fork pockets of shift fork 44 is horizontal, and clamp 49 withstands the end plates 46 of dead bolt bar 45, in any case at this moment promote dead bolt in lock body 4, dead bolt bar 45 can not move ahead.Have only the key rotation lock core 3 of using, the flat dwang 31 of lock core 3 drives main the rotation when pitching 41 rotations, and the main fork 41 promote-side panel 46 in 49 deflections of drive clamp that rotates moves ahead, thereby moves in dead bolt bar 45 drive dead bolts, is about to door and opens.

The people will put in place dialling to clockwise rotate 43 earlier when indoor opening the door, and makes the oblique below of fork pockets of shift fork 44, while shift fork 44 rotates counterclockwise through card post 51 drive clamps 49 and puts in place with it, make clamp 49 leave the end plates 46 of dead bolt bar 45, at this moment rotation manual is rotated fork, door can be opened.

The method of closing the door when the people goes out is as follows: at first will dial and push the position to 43 clockwise, with key rotation lock core 3, in dead bolt indentation lock body 4, shut up the door carefully then, use key rotation lock core 3 again, it is good with door lock to make dead bolt stretch out lock body 4, simultaneously number is dialled unrest, grab 16 on the digital door 15 is inserted in the square opening 14 of lid plate 13, transfer to key.

Claims

1, a kind of digital mechanical anti-theft lock, comprise the lock body (4) that is installed on door leaf (2) inner surface, it is characterized in that digital box (1) is installed in door leaf (2) and locates on the surface, the lock core that partly exposes outside (3) is fixed on digital box (1) diaphragm (11), the through hole that the flat dwang (31) of lock core (3) passes on the door leaf (2) is inserted in the main rotation fork (41) of lock body (4), dialling plate (5) is enclosed within on the square stern post (32) of lock core (3), dial plate (5) lower end and be equipped with reed (6), front end has the door pull bar (7) of hook to intert in guide holder (12), the badge bar (8) that is close on digital box (1) lid plate (3) is fixedly connected with door pull bar (7), there is back-moving spring to be enclosed within on the pull bar (7) between guide holder (12) and the badge bar (8), badge bar (8) end is positioned at square opening 14 places of lid plate (13) below, digital door (15) top is hinged on lid plate (13) top edge by post lock (10), spring (9) is enclosed within on the post lock (10), and digital door (15) below has and the corresponding grab of square opening (14) (16); 3～8 the digital grooves (18) that are divided into by midfeather (17) are arranged in digital box (1) box body, card article (19) is set in all midfeathers (17) centre bore, all there are latch wheel (20) and centring ring (21) to be enclosed within on the card article (19) in each digital groove (18), in each latch wheel (20) centre bore gap (22) is arranged, the cross section fixture block (23) littler than gap (22) should be arranged on the card article (19) mutually, each latch wheel (20) has the tooth bar (24) on lid plate (13) pressed close to that is engaged with, have on the lid plate (13) and the corresponding bar hole (26) that indicates Arabic numerals 0～9 of tooth bar (24), plectrum (25) lower end is fixed on the tooth bar (24), the upper end is stuck on bar hole (26) outside, digital pull bar (27) one ends are hinged on the card article (19), the other end is hinged on to be dialled on the plate (5), and digital pull bar (27) pin joint is 100～110 degree to the angle between the line of dialling plate (5) center of rotation and the vertical center line of group plate (5).

2, digital mechanical anti-theft lock according to claim 1, it is characterized in that being provided with anti-picking device in the lock body (4), be that the below installs lock shaft (42) additional in the lock body (4), dialling (43) of band pellet shot from a slingshot alignment pin is equipped with in lock shaft (42) outer end, shift fork (44) is equipped with in the inner, have on the end plates (46) of dead bolt bar (45) and the corresponding gap of shift fork (44), the main rotation on the base plate of pitching (41) should have lower extending plate (48) mutually, clamp (49) is hinged on the lower extending plate (48) through bearing pin (50), clamp (49) upper surface has card post (51) and lower end to expose the pellet shot from a slingshot alignment pin (52) of pellet shot from a slingshot (53), clamp (49) soffit has the backstay (54) that can slide along lower extending plate (48) edge, has on the lower extending plate (48) and corresponding groove of pellet shot from a slingshot (53) and and the corresponding screens of backstay (54).