CN201395979Y

CN201395979Y - Anti-theft lock core with flashboard

Info

Publication number: CN201395979Y
Application number: CN2008202190782U
Authority: CN
Inventors: 陈波; 于琪贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-11
Filing date: 2008-11-11
Publication date: 2010-02-03
Anticipated expiration: 2018-11-11

Abstract

The utility model relates to an theftproof lock core with flashboard, the technical scheme of adoption is: the anti-theft lock core with the flashboard consists of an outer core and an inner core, wherein a telescopic half marble is arranged in the lock core, and a small circular arc-shaped groove is formed in the inner wall of the front end of the outer core; the key hole is arranged in the inner core, a flashboard groove is arranged on the outer wall of the front end of the inner core, a flashboard for sealing the key hole is arranged in the flashboard groove, a small circular arc-shaped bulge is arranged at the upper end of the flashboard, and springs are arranged at the bottoms of two sides of the flashboard. The outer core is provided with a circular arc movable groove and a semi-pin type spring bayonet lock and a slope spring bayonet lock; when not opening, the front end of telescopic half pellet shot from a slingshot extends extremely, and the front end top of half pellet shot from a slingshot formula spring bayonet lock and domatic spring bayonet lock is on the outer wall of inner core, only when opening, just can make the outer rotation face parallel and level of the upper end of telescopic half pellet shot from a slingshot and inner core, the utility model discloses can seal key hole and telescopic half pellet shot from a slingshot through sealing the flashboard, play the theftproof effect in two aspects.

Description

The anti-theft lock that has flashboard

Technical field:

The utility model relates to a kind of lock core, particularly a kind of anti-theft lock that has flashboard.

Background technology:

Current, anti-theft lock is a lot of on the market, has the people to design a kind of anti-theft lock that has protective sheet and locking groove in order to improve theftproof performance, and the patent No. is: 200320113865, though 6 this lock cores increase on theftproof performance, but, also exist deficiency, if adopt first push-tight with respect to the pellet shot from a slingshot on the protective sheet, and then the method for loosening, lock core still can be unlocked, so theftproof performance is poor.

Summary of the invention:

In order to address the above problem, the utility model provides a kind of anti-theft lock that has flashboard, is made up of outer core and inner core, is provided with telescopic half pellet shot from a slingshot in the lock core.On the inwall of the front end of core little circular groove is arranged outside.On the outer wall of the front end of inner core, flashboard slot is arranged, the flashboard of built-in sealed key hole, there is the projection of little circular arc the upper end of flashboard, and the bottom of the both sides of flashboard is provided with spring.Domatic spring detent is installed in the circular arc loose slot, and half cylinder type spring detent is installed in a circular arc loose slot side radially; In inner core, with respect to telescopic half pellet shot from a slingshot is installed on the position of circular arc loose slot.When not opening, the front end of telescopic half pellet shot from a slingshot extends ultimate attainment, the front end of half cylinder type spring detent and domatic spring detent withstands on the outer wall of inner core, only when opening, go to open, just can make the upper end of telescopic half pellet shot from a slingshot concordant with the inner rotary face of inner core with the key that is complementary, the utility model can seal keyhole by the flashboard locking device of sealed key hole, make foreign matter be difficult to be deep in the keyhole that is closed, touching has reached antitheft effect less than telescopic half pellet shot from a slingshot.

The technical solution of the utility model is:

The anti-theft lock that has flashboard, form by outer core, inner core, common spring is installed in the common spring hole, through outer core, inner core, telescopic half pellet shot from a slingshot is installed in the telescopic half pellet shot from a slingshot hole, run through inner core, projection is arranged at the bottom of telescopic half pellet shot from a slingshot, on the top of projection, the outside of telescopic half pellet shot from a slingshot is provided with spring, and the elastic force of the spring of half cylinder type spring detent rear end is greater than the elastic force of the spring of telescopic half pellet shot from a slingshot outside.The little circular groove that has the suitable position of two row's directions to stagger outside on the inwall of the front end of core, the flashboard slot that on the outer wall of the front end of inner core, has the suitable position of two row's directions to stagger, the flashboard of built-in semiclosed keyhole, there is the projection of little circular arc the upper end of flashboard, and the bottom of the both sides of flashboard is provided with spring.When opening not, the closing flap in the inner core is because the effect of spring places in the groove of little circular arc of outer core the projection of the little circular arc of flashboard upper end.And the sealing degree of depth of each flashboard is to 1/2 place of keyhole thickness or above 1/2 2/3 place to keyhole thickness.On the inwall of core, the circular arc loose slot is arranged on the position with respect to telescopic half pellet shot from a slingshot outside, and the arc length of circular arc loose slot is greater than the diameter of telescopic half pellet shot from a slingshot; Domatic spring detent is installed in the circular arc loose slot of core outside; Half cylinder type spring detent is arranged on the core outside.Half cylinder type spring detent is installed in a circular arc loose slot side radially; In inner core, with respect to telescopic half pellet shot from a slingshot is installed on the position of circular arc loose slot, when opening not, stagger in the position of telescopic half pellet shot from a slingshot and half cylinder type spring detent.The flashboard of the sealed key hole in the inner core can also be the closing flap that cuts off the key path of travel, the key that key becomes segment body to flexibly connect; The flashboard of the sealed key hole described in the inner core can also be the form that two rows are run through the big pellet shot from a slingshot that staggers mutually radially of outer core, inner core; And it also can be a plurality of that the anti-theft device of being made up of each parts in telescopic half pellet shot from a slingshot, circular arc loose slot and the circular arc loose slot can be one; Anti-theft device in circular arc loose slot and the circular arc loose slot thereof is installed on the inwall of outer core.

Operating principle of the present utility model:

When non-opening, the front end of common spring reaches in the keyhole, and telescopic half pellet shot from a slingshot is owing to the effect of spring, and it is ultimate attainment that telescopic half pellet shot from a slingshot is extended, and the half cylinder type spring detent in the outer core and the front end of domatic spring detent withstand on the outer wall of inner core; Closing flap in the inner core is because the effect of spring makes the projection of the little circular arc of flashboard upper end, places in the groove of little circular arc of outer core.

When normal unlatching, key inserts in the keyhole, the front end of common spring matches with teeth groove on the key, the front end of telescopic half pellet shot from a slingshot matches with teeth groove on the key, the section of each pellet shot from a slingshot and the rotation interface of outer core and SMIS are matched, at this moment key, the projection of the little circular arc of each the closing flap upper end in the inner core, spin off in the groove of the little circular arc from outer core, outer core is oppressed each flashboard and is moved to the inner core direction, formed the state of sealed key hole, be rotated further key, lock core is normally opened.

The beneficial effects of the utility model:

Owing in lock core, be provided with the technology of the device and telescopic half pellet shot from a slingshot of closing flap sealed key hole, make foreign matter be difficult to extend in the keyhole of sealing, touching is difficult to lock core is opened less than telescopic half pellet shot from a slingshot that stretches out, and has reached antitheft effect.

Description of drawings:

Fig. 1 is the overall structure figure of lock core of the present utility model

Fig. 2 is the structural representation of outer core 1 of the present utility model

Fig. 3 is the structural representation of inner core 2 of the present utility model

Fig. 4 is the A-A sectional drawing (not the single flashboard during opening not the sectional drawing during sealed key hole) of the utility model Fig. 1

Fig. 5 is the B-B sectional drawing of the utility model Fig. 1

Fig. 6 is the c-c sectional drawing of the utility model Fig. 1

Fig. 7 is a kind of key schematic diagram that is complementary of the utility model

The specific embodiment:

As Fig. 1---have the anti-theft lock of flashboard shown in 6, form by outer core 1, inner core 2, common spring 10 is installed in the common spring hole 4, through outer core 1, inner core 2, in the telescopic half pellet shot from a slingshot hole 5 telescopic half pellet shot from a slingshot 11 is installed, run through inner core 2, projection 12 is arranged at the bottom of telescopic half pellet shot from a slingshot 11, on the top of projection, the outside of telescopic half pellet shot from a slingshot is provided with spring 13, and the elastic force of the spring of half cylinder type spring detent, 9 rear ends is greater than the elastic force of the spring of telescopic half pellet shot from a slingshot 11 outsides.The roundlet arc groove 15 that has the suitable position of two row's directions to stagger outside on the inwall of the front end of core 1, the flashboard slot 14 that on the outer wall of the front end of inner core, has the suitable position of two row's directions to stagger, the flashboard 16 of built-in semiclosed keyhole, there is the projection 18 of little circular arc the upper end of flashboard 16, and the bottom of the both sides of flashboard 18 is provided with spring 17.When opening not, the closing flap 16 in the inner core is because the effect of spring 17 places in the groove 15 of little circular arc of outer core the projection 18 of the little circular arc of flashboard upper end.And the sealing degree of depth of each flashboard is to 1/2 place of keyhole thickness or above 1/2 2/3 place to keyhole thickness.On the inwall of core 1, circular arc loose slot 6 is arranged on the position with respect to telescopic half pellet shot from a slingshot 11 outside, and the arc length of circular arc loose slot 6 is greater than the diameter of telescopic half pellet shot from a slingshot 11; In the circular arc loose slot 6 of core domatic spring detent 19 is installed outside; Half cylinder type spring detent 9 is arranged on the core outside.Half cylinder type spring detent 9 is installed in circular arc loose slot 6 side radially; In inner core, with respect to telescopic half pellet shot from a slingshot 11 is installed on the position of circular arc loose slot 6, when opening not, stagger in the position of telescopic half pellet shot from a slingshot 11 and half cylinder type spring detent 9.The flashboard of the sealed key hole in the inner core can also be the closing flap that cuts off the key path of travel, the key that key becomes segment body to flexibly connect; The flashboard of the sealed key hole described in the inner core can also be the form that two rows are run through the big pellet shot from a slingshot that staggers mutually radially of outer core, inner core; And it also can be a plurality of that the anti-theft device of being made up of each parts in telescopic half pellet shot from a slingshot, circular arc loose slot and the circular arc loose slot can be one; Anti-theft device in circular arc loose slot and the circular arc loose slot thereof is installed on the inwall of outer core.

When unnormal unlocking: remove unnormal unlocking with foreign matter, if the upper end of telescopic half pellet shot from a slingshot is lower than the outer commentaries on classics face of inner core, when go to outside during the relative position of first cylinder type spring detent of core, the front end of half cylinder type spring detent can be deep in the telescopic half pellet shot from a slingshot hole, makes the inner core limited in rotation.Owing to utilize closing flap to seal keyhole.Do not have the telescopic half pellet shot from a slingshot application of force of foreign matter to stretching out, the strength of the spring of half cylinder type spring detent rear end can be pushed into the limit to telescopic half pellet shot from a slingshot, and lock core is stuck, and promptly can not turn round, and can not be rotated further again.

And for example the upper end of telescopic half pellet shot from a slingshot of fruit is higher than the outer commentaries on classics face of inner core, when go to outside on the core during position of domatic spring detent, because domatic spring detent is domatic towards the one side of telescopic half pellet shot from a slingshot, so the outside core direction motion of domatic spring detent can be oppressed in the upper end of telescopic half pellet shot from a slingshot, and by domatic spring detent, on the inwall that touches circular arc loose slot one side, promptly can not be rotated further, can not turn round again, make the inner core limited in rotation.Simultaneously, utilize closing flap to seal keyhole, foreign matter can't be extend in the keyhole, so improper means can not be opened lock core.

Claims

1, the anti-theft lock that has flashboard, it is characterized in that: inner core is installed in outer in-core, the circular arc loose slot is arranged on the outer core, the front end of core is provided with little circular groove outside, domatic spring detent is installed in the circular arc loose slot, and half cylinder type spring detent is installed in a circular arc loose slot side radially; In inner core, with respect to telescopic half pellet shot from a slingshot is installed on the position of circular arc loose slot, also be provided with flashboard slot on respect to the position of the little circular groove of outer core at the front end of inner core, flashboard is installed in the flashboard slot.

2, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: the little circular groove that has the suitable position of two row's directions to stagger outside on the inwall of the front end of core, the flashboard slot that on the outer wall of the front end of inner core, has the suitable position of two row's directions to stagger, the flashboard of built-in semiclosed keyhole, the bottom of the both sides of flashboard is provided with spring; The sealing degree of depth of each flashboard is to 1/2 place of keyhole thickness or above 1/2 2/3 place to keyhole thickness.

3, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: the flashboard of the sealed key hole in the inner core can also be the closing flap that cuts off the key path of travel, the key that key becomes segment body to flexibly connect.

4, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: the flashboard of the sealed key hole described in the inner core can also be the form that two rows are run through the big pellet shot from a slingshot that staggers mutually radially of outer core, inner core.

5, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: projection is arranged at described telescopic half pellet shot from a slingshot bottom, top in projection, the outside of telescopic half pellet shot from a slingshot is provided with spring, and the elastic force of the spring of half cylinder type spring detent rear end is greater than the elastic force of the spring of telescopic half pellet shot from a slingshot outside.

6, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: described domatic spring detent is installed in the circular arc loose slot on the inwall of outer core.

7, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: it also can be a plurality of that the anti-theft device of being made up of each parts in telescopic half pellet shot from a slingshot, circular arc loose slot and the circular arc loose slot can be one.

8, the anti-theft lock that has flashboard as claimed in claim 1 is characterized in that: the anti-theft device in circular arc loose slot and the circular arc loose slot thereof is installed on the inwall of outer core.