CN2856324Y

CN2856324Y - Antitheft lock barrel

Info

Publication number: CN2856324Y
Application number: CN 200620053991
Authority: CN
Inventors: 李松
Original assignee: Haibeisi Intelligent Technology Co Ltd Shenzhen
Current assignee: Shenzhen Kinlong HBS Smart Technology Co., Ltd.
Priority date: 2006-01-18
Filing date: 2006-01-18
Publication date: 2007-01-10
Anticipated expiration: 2016-01-18

Abstract

An anti-theft lock core comprises a lock core base box, a main lock tongue, an unlocking cam, an engaging-disengaging shaft, a main shaft thumb wheel, an engaging-disengaging base, an inclined lock tongue, a locking poking piece and a locking tongue. An inclined plane is arranged on the rear end of the main lock tongue; the unlocking cam is equipped behind the main lock tongue and to the left, which comprises a rotatable support rod with an oblique plane on the front end; the engaging-disengaging shaft is rotatably pivoted to the left side of the unlocking cam; the main shaft thumb wheel is equipped on the engaging-disengaging shaft and engages with the unlocking cam; the engaging-disengaging base is fixedly equipped on the engaging-disengaging shaft with a poking rod protruding from the left part; the inclined lock tongue is equipped on the left side of the engaging-disengaging shaft and provided with a block piece on the rear end, and the poking rod press on the block piece; the middle part of the locking poking piece is rotatably pivoted to the left side of the engaging-disengaging shaft in the lock core base box, and the rear end of the locking poking piece is equipped turns with the rotation of the engaging-disengaging shaft, the front end of the locking poking piece is provided with a protrusion hooking on the locking tongue; the locking tongue is equipped on the left lower side of the locking poking piece whose rear end bends to form a height to cooperate with the front end of the locking poking piece.

Description

Anti-theft lock

Technical field

The utility model relates to a kind of anti-theft lock.

Background technology

Common anti-theft lock, the mode of the axial isostatic pressing strength of its main dead bolt are to adopt the equilateral triangle separating mechanism basically, and this mechanism can directly produce the retraction of main dead bolt to lock core inside under damage of external force, make lock lose effectiveness; And there are handle to be rotated counterclockwise to surpass 360 degree in general anti-theft lock, as adding sleeve pipe the possibility that lock is opened arranged with bigger external force on handle the time; General anti-theft lock does not possess the double quick body function.

Summary of the invention

The purpose of this utility model is to provide a kind of anti-theft lock, and it is simple and quick, and theftproof performance improves greatly.

For achieving the above object, the utility model provides a kind of anti-theft lock, and it comprises that unblank cam, a clutch shaft, a main shaft thumb wheel, a clutch seat, an oblique dead bolt, of box at the bottom of the lock core, a main dead bolt, lock plectrum, and lock tongue;

This main dead bolt rear end is provided with an inclined-plane;

This cam of unblanking is installed in the left back of this main dead bolt, and it comprises a rotatable strut, and the front end of this strut is provided with a correspondence and withstands on inclined-plane on this main dead bolt inclined-plane;

The rotatable left side that is hubbed on this cam of unblanking of this clutch shaft;

This main shaft thumb wheel is installed on this clutch shaft, and this main shaft thumb wheel is connected on this cam of unblanking, and this clutch shaft is rotated counterclockwise, and this main shaft thumb wheel turns clockwise this cam of unblanking, and this strut no longer withstands main dead bolt and release;

This clutch seat is fixed on this clutch shaft, and it comprises a driving lever;

This oblique dead bolt is installed in the left side of this clutch shaft, and its rear end is provided with a catch, and this driving lever is pressed on this catch, and this clutch shaft is rotated counterclockwise, and this driving lever is pressed this catch backward and should be retracted lock core and release by oblique dead bolt;

This is locked, and plectrum middle part is rotatable to be articulated at the bottom of this lock core the left side of this clutch shaft in the box, and rotate with clutch shaft its rear end, and its front end is provided with a projection;

This is locked tongue and is installed in the upper left side that this locks plectrum, and its rear end bending plays a height, and locks the plectrum front end and cooperates.This clutch shaft is rotated counterclockwise, and this is locked plectrum and draws and lock tongue rear end bending height, and this is locked tongue and is pulled back to box inside at the bottom of this lock core and release.

The utlity model has following beneficial effect: the utility model anti-theft lock has and prevents the firmly rotation and unblank, prevent that main dead bolt from bouncing back backward and unblanking and the double quick body function of 360 degree, and simple and quick, theftproof performance improves greatly.

Description of drawings

Fig. 1 is the vertical view of the utility model anti-theft lock.

Fig. 2 is the stereogram of the utility model anti-theft lock.

The specific embodiment

See also Fig. 1 to Fig. 2, a kind of anti-theft lock, it comprises that unblank cam 4, one main lock return spring 5, a clutch shaft 6, a main shaft thumb wheel 7, a clutch seat 8, one oblique dead bolt 9, of box 1, one main dead bolt 2 at the bottom of the lock core, a position guide frame 3, lock ratchet 10, a main shaft clutch 11, an electromagnet 12, and lock plectrum 13, and lock tongue 14.

This main dead bolt 2, the cam 4 of unblanking, main lock return spring 5, clutch shaft 6, clutch seat 7, main shaft thumb wheel 8, main shaft clutch 9, lock ratchet 10, tiltedly dead bolt 11, lock plectrum 12, lock tongue 13, electromagnet 14 all is installed at the bottom of this lock core in the box 1.

These main dead bolt 2 front ends are elliptical cylinder-shapes, and the left side of its rear end is provided with an inclined-plane 22 perpendicular to the upper and lower surface of this main dead bolt 2, and this inclined-plane 22 tilts and is miter angle with this main dead bolt 2 from the left front to the right back.The vertically prominent main shaft thumb wheel post 24 of establishing in the right side of these main dead bolt 2 rear end upper surfaces.

This position guide frame 3 is fixed on the right-hand member of box 1 at the bottom of this lock core, offers a guide groove 32 that tilts to the right back from the left front on it, and these main shaft thumb wheel post 24 correspondences are installed in this guide groove 32.This guide groove 32 be a bit of front bayonet slot of vertically offering 34 foremost, rearmost end is a bit of back draw-in groove of vertically offering 36.When this main dead bolt 2 box 1 at the bottom of the lock core projected into the front position, this main shaft thumb wheel post 24 slided into this front bayonet slot 34 places, and this main shaft thumb wheel post 24 is by the restriction of the both sides of this front bayonet slot 34 and can not move up at right and left.Be its rearmost position that can bounce back when this main dead bolt 2 retracts in this back draw-in groove 36, this main dead bolt 2 all returns at the bottom of this lock core in box 1 inside.

This cam 4 of unblanking is installed in the left back of this main dead bolt 2, and it comprises that one rotatablely is articulated in the disk 42 in the box 1 at the bottom of this lock core, and this disk 42 is provided with a strut 44, and the front end of this strut 44 is provided with an inclined-plane 46 to inclined-plane 22 that should main dead bolt 2.A fixed leg 48 vertically is equipped with at the middle part of this strut 44.

These master's lock return spring 5 one ends are set on this fixed leg 48, the other end is set on the fixed leg on box 1 right side at the bottom of this lock core, under the effect of this main lock return spring 5, this strut 44 motion counterclockwise, conflict on the inclined-plane 22 of this main dead bolt 2 in the inclined-plane 46 of this strut 44, this main dead bolt 2 can not be bounced back.

These clutch shaft 6 rotatable left sides that are hubbed on this cam 4 of unblanking, the circumference of this clutch shaft 6 is provided with a draw-in groove 62.

This main shaft thumb wheel 7 is installed on this clutch shaft 6, and this main shaft thumb wheel 9 is connected on this cam 4 of unblanking.When this clutch shaft 6 turns clockwise, this main shaft thumb wheel 7 makes this cam 4 of unblanking be rotated counterclockwise and main dead bolt 2 is got, and when this clutch shaft 6 was rotated counterclockwise, this main shaft thumb wheel 7 turned clockwise this cam 4 of unblanking, this strut 44 no longer withstands main dead bolt 2, therefore main dead bolt 2 can be recalled lock core.

This clutch seat 8 is fixed on this clutch shaft 6, and it comprises a driving lever 82 that extends to the left.

This oblique dead bolt 9 is installed in the left side of this clutch shaft 6, and its rear end is provided with a catch 92, and this driving lever 82 is pressed in the place ahead of this catch 92.When this clutch shaft 6 is rotated counterclockwise, this driving lever 82 is pressed this catch 92 backward and should be retracted in the lock core by oblique dead bolt 9, when this clutch shaft 6 turns clockwise, when driving lever 82 was no longer pressed this catch 92, this oblique dead bolt 9 is box 1 at the bottom of stretching out this lock core under the elastic force effect of spring.

This locks the ratchet 10 rotatable lower right sides that are hubbed on this clutch shaft 6, it comprises a ratch 102, this ratch 102 is subjected to the effect of spring and resilient being resisted against on this clutch shaft 6, the front end correspondence of this ratch 102 is against on the outer circle wall of this clutch shaft 6, when ratch 102 front ends withstood on the draw-in groove 62 of this clutch shaft 6, this clutch shaft 6 was subjected to stopping of ratch 102 and can not further turns clockwise.

This main shaft clutch 11 is installed in the dead astern of this clutch shaft 6, the circular shape that it is and these clutch shaft 6 circumference cooperate.

This electromagnet 12 is installed in the right side of this main shaft clutch 11.When unblanking, these electromagnet 12 adhesives tighten main shaft clutch 11, promptly are open modes.When not opening main shaft clutch 11, be in sky and revolve state.

This is locked, and the middle part of plectrum 13 is rotatable to be articulated at the bottom of this lock core the left side of this clutch shaft 6 in the box 1, and its rear end is connected on this main shaft clutch 11 with a connecting piece 132, and its front end is provided with a projection 134.

This is locked tongue 14 and is installed in the upper left side that this locks plectrum 13, and its rear end is provided with an engagement tabs 142, offers the mating holes 144 of a step shape on this engagement tabs 142.These projection 134 correspondences of locking plectrum 13 are installed in this mating holes 144.When this clutch shaft 6 is rotated counterclockwise, this is locked plectrum 13 and turns clockwise and make this projection 134 enter the forward single order place of this mating holes 144, this is locked tongue 14 and is locked plectrum 13 by this and be withdrawn into box 1 inside at the bottom of this lock core and release, when this clutch shaft 6 turns clockwise, this is locked plectrum 13 and is rotated counterclockwise and makes this projection 134 enter single order place after this mating holes 144 leans on, and this locks tongue 14 box 1 and locking at the bottom of stretching out this lock core under the elastic force effect of spring.

The utility model anti-theft lock has and prevents 360 degree firmly rotation and the function of unblanking, details are as follows: clutch shaft 6 turns clockwise, locking ratchet 10 with this combines, main dead bolt 2 is got, finish the action of locking,, finally destroyed this and locked ratchet 10 if continuation is afterburning in that this side up, produced the consequence that to lock, but door lock can not be opened.Clutch shaft 6 is rotated counterclockwise, and under the situation that this main shaft clutch 11 is not opened, belongs to sky and revolves mechanism, in that this side up is afterburning, can not produce influences such as any destruction to lock core, when this main shaft clutch 11 is opened, can unblank.Even destroyed this theftproof lock, but still can not open it, theftproof performance is very strong.

The utility model anti-theft lock also has and prevents that main dead bolt from bouncing back backward and the function of unblanking, when main shaft tongue 2 was subjected to axial static pressure, its axial static pressure was broken down into opening wheel cam pressure F1 and pointing to the dextrad pressure F2 of right direction of the inclined-plane 22 that points to this main shaft tongue 2.When the main dead bolt 2 of this theftproof lock is locked, this main dead bolt 2 projects into the front position, this main shaft thumb wheel post 24 is sliding at these front bayonet slot 34 places, this main shaft thumb wheel post 24 is by the vertical both sides restriction of this front bayonet slot 34, therefore this dextrad pressure F2 acts on this position guide frame 3 fully, as long as the enough high destructive power that can resist this dextrad pressure F2 fully of these position guide frame 3 intensity, as long as this opens that wheel cam pressure F1 acts on this strut 44 and through the center of circle of this disk 42, therefore the enough high destructive power that this opens wheel cam pressure F1 of can resisting fully of the intensity of this cam 4 of unblanking.Therefore can allow the failure force of theftproof lock be selected on this dextrad pressure F2, the intensity that is to say the cam 4 of unblanking surpass apply thereon open wheel cam pressure F1, the horizontal destructive power that finally shows box 1 at the bottom of main shaft thumb wheel post 24, the lock core of destructive power, main shaft tongue about 2 produces and moves, but can not bounce back backward.

This cam 4 of unblanking is provided with inclined-plane 46, main dead bolt 2 is provided with inclined-plane 22, the cam 4 of unblanking produces a power arm under stress, under the effect of power arm, the cam 4 of unblanking is rotated counterclockwise, this master's lock return spring 5 also makes this strut 44 and cam 4 motion counterclockwise of unblanking, and main dead bolt 2 safety are not bounced back.

The utility model also has double quick mechanism, promptly from indoor unblank and outdoor speed of unblanking fast.When unblanking, these electromagnet 12 adhesives, from tightening with mechanism 11, when opening the door with handle, clutch shaft 6 drives clutch seat 8, main shaft thumb wheel 7 and locks plectrum 13 and is synchronized with the movement with main shaft, this clutch seat 8 retracts oblique dead bolt 9 and connects lock, this main shaft thumb wheel 7 retracts release with main dead bolt 2, and this is locked plectrum 13 and will lock tongue 14 and retract release, disposablely all opens above-mentioned three dead bolts, simple and quick, realized the double quick body function.

Claims

1, a kind of anti-theft lock is characterized in that: it comprises that unblank cam, a clutch shaft, a main shaft thumb wheel, a clutch seat, an oblique dead bolt, of box at the bottom of the lock core, a main dead bolt, lock plectrum, and lock tongue;

This main dead bolt rear end is provided with an inclined-plane;

This main shaft thumb wheel is installed on this clutch shaft, the main shaft thumb wheel and the cam-engaged of unblanking, and this clutch shaft is rotated counterclockwise, and this main shaft thumb wheel turns clockwise this cam of unblanking, and the cam of unblanking retracts main dead bolt and release;

2, anti-theft lock according to claim 1 is characterized in that: this cam of unblanking comprises that one rotatablely is articulated in the disk in the box at the bottom of this lock core, and this strut is located on this disk.

3, anti-theft lock according to claim 1 is characterized in that: the left side of this main dead bolt rear end is located on the inclined-plane of this main dead bolt, and it is perpendicular to the upper and lower surface of this main dead bolt, and this inclined-plane tilts and is miter angle with this main dead bolt from the left front to the right back.

4, anti-theft lock according to claim 1, it is characterized in that: the vertically prominent main shaft thumb wheel post of establishing in the right side of this main dead bolt rear end upper surface, this anti-theft lock comprises a position guide frame, this position guide frame is fixed on the right-hand member of box at the bottom of this lock core, offer a guide groove that tilts to the right back from the left front on it, this main shaft thumb wheel post correspondence is installed in this guide groove.

5, anti-theft lock according to claim 4 is characterized in that: this guide groove be a bit of front bayonet slot of vertically offering foremost, rearmost end is a bit of back draw-in groove of vertically offering.

6, anti-theft lock according to claim 1, it is characterized in that: the circumference of this clutch shaft is provided with a draw-in groove, this anti-theft lock also comprises locks ratchet, this locks the rotatable lower right side that is hubbed on this clutch shaft of ratchet, this is locked ratchet and comprises a ratch, this ratch is subjected to the effect of spring and resilient being resisted against on this clutch shaft, and the front end correspondence of this ratch is against on the outer circle wall of this clutch shaft.

7, anti-theft lock according to claim 1, it is characterized in that: this anti-theft lock comprises a main shaft clutch and an electromagnet, this main shaft clutch is installed in the dead astern of this clutch shaft, the circular shape that this main shaft clutch is and this clutch shaft circumference cooperates, this electromagnet is installed in the right side of this main shaft clutch, and the main shaft clutch is opened in the adhesive when unblanking of this electromagnet.

8, anti-theft lock according to claim 7 is characterized in that: this is locked the plectrum rear end and is connected on this main shaft clutch with a connecting piece.