CN201771271U - Antitheft lock cylinder device - Google Patents

Abstract

The utility model discloses an antitheft lock cylinder device, which mainly comprises a lock casing and a lock cylinder disposed inside the lock casing. An insertion slot is arranged inside the lock cylinder, penetration holes are arranged on the lock casing and the lock cylinder in a penetrating manner, and elastic components, upper pins and lower pins are disposed inside the penetration holes. The lower pins in the lock cylinder closest to an opening of the insertion slot are arranged into longer pins so that a gap in the insertion hole is narrowed to avoid insertion of a stealing tool, forced insertion can push the longer pins into the lock casing while the lock cylinder is still unable to rotate relative to the lock casing, also an operator cannot enter deeper into the lock cylinder to try out lengths of the other lower pins, and thereby true antitheft effect is achieved.

Description

The anti-theft lock device

Technical field

The utility model is relevant a kind of lock core device; Be meant especially and a kind ofly can prevent that object beyond the key from inserting in the lock core and try out lock pearl length to finish the anti-theft lock device of release.

Background technology

For a long time; the social concern of theft is present in each country always; add that the modern increases the weight of the idea of individual privacy and safety; thereby derive " lock " this product; and very be applied in the life various door and window, the vehicles and locker etc. at large and locate, so as to reaching antitheft, protection property and inherently safe effect.

General lock consists predominantly of lockset and the corresponding key be made up of lock housing and lock core.By the following lock pearl that plural perforation is set in lock housing and lock core and puts into different length, key by the specific scale of tool inserts in the lock core, each time lock pearl is shored the edge that makes its ora terminalis be positioned at lock housing and lock core handing-over, allow the user drive lock core and rotate and unblank with key; After key is extracted, each time lock pearl will reset clip in the perforation that lock housing and lock core are connected, and allow lock housing can't produce relative rotation with lock core and lock.That is to say, if use the key of non-coupling, just can't make all down ora terminalis of lock pearls move on to and the tangent place of lock housing inner edge, and the following lock pearl of clip between lock housing and lock core can't produce relative rotation with making between lock housing and lock core and can't finish the action of unblanking.

Yet, though known following lock pearl is the design of different length, but the difference of its size is very little, and the insertion slot in the lock core has very spacious gap, therefore have the inclination the personage as long as instrument (for example master key) is penetrated in the lock core by described gap, just can try out every easily and lock the distance that pearl need up be passed down, finish release thereby push down the lock pearl aside, so theftproof be not good.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of anti-theft lock device, and it can prevent that object beyond the key from inserting in the lock core and try out lock pearl length to finish release.

For solving the problems of the technologies described above, first kind of technical scheme that the utility model is taked is, a kind of anti-theft lock device, it consists predominantly of lock housing and lock core, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, is equipped with the plural hole that places on described lock housing and the described lock core, and each place all be provided with elastic parts in the hole, the following lock pearl of lock pearl and different length; The length of the following lock pearl of the most close insertion slot opening is locked pearl down greater than other.

The cross section of described insertion slot is in-line, cross or circle.The described pearl end of locking is the cone angle form.

Second kind of technical scheme that the utility model is taked is, a kind of anti-theft lock device, it consists predominantly of lock housing, lock core and the screening of plural hollow form lock, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, plug face then runs through and is provided with the plural groove that places, offer the corresponding described groove that places groove on the described lock housing, described lock screening is arranged on described placing in the groove, and all is provided with the protuberance of elastic parts and differing heights in each lock screening; The protuberance height of the lock screening of the most close described insertion slot opening is greater than the protuberance height of other lock screening.

Wherein, the protuberance of adjacent lock screening is arranged to relative up and down form.Add near the insertion slot opening part at described lock housing and described lock core and to place the hole, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

The third technical scheme that the utility model is taked is, a kind of anti-theft lock device, it consists predominantly of lock housing, lock core, and plural hollow form lock screening, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, plug face then runs through and is provided with the plural groove that places, offer the corresponding described groove that places groove on the described lock housing, described lock screening is arranged on described placing in the groove, and offer jack in the described lock screening, the side outer rim of described lock screening more is provided with the press section, and below, described press section is provided with elastic parts; The jack of adjacent lock screening is arranged to be located at partially the backward end limit respectively, and its press section is arranged to be positioned at opposite end with the limit respectively.

Wherein, add near the insertion slot opening part at described lock housing and described lock core and to place the hole, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

The 4th kind of technical scheme that the utility model is taked is, a kind of anti-theft lock device, it consists predominantly of lock housing, preceding lock core and rear lock core, lock pin coaxial is arranged in the described lock housing before described, lock core is provided with inserting part adjacent to the front end place before described, described rear lock core is coaxial be set in described before in the lock core and be positioned at described inserting part rear end; Offer the more than one hole that places on the described lock housing, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

Wherein, the described pearl end of locking is the cone angle form.

The beneficial effect that the utility model can reach is:

1, according to the structure of first kind of technical scheme of the present utility model, when long lock pearl was blocking, its front end protruded out to and surmounts the insertion slot centerline, and makes the gap of described insertion slot opening become very narrow, allow surreptitiously tool can't insert, thereby latch effect is good, safe.Even and steal tool and be improved to the insertion slot that can insert narrow gaps and will grow the lock pearl and support to the lock housing direction, described long lock pearl end also can placing in the hole from lock core, intersection through lock housing and lock core, and move on to the placing in the hole of lock housing, cause lock core to rotate with respect to lock housing, simultaneously, the operator also can't continue to try towards depths more other length of lock pearl down; Even utilize the indentation of the bead surface of locking, allow and attempt to hold instrument release person by force, easily described indentation is thought by mistake be the last edge of locking pearl down, and be difficult to try out the physical length of each time lock pearl, if add down the indentation of lock bead surface, more difficult tested exactly come out of the ora terminalis that just can allow upper and lower lock pearl join, therefore, the utility model can reach antitheft effect really.

2, according to the structure of second kind of technical scheme of the utility model, the protuberance height of the lock screening of its most close described insertion slot opening forms high projection greater than the protuberance height of other lock screening, makes described high projection have the effect identical with aforementioned long lock pearl and strengthens antitheft effect to reach.And also the protuberance of adjacent lock screening can be arranged to relative up and down form, and and it is highly increased and form high projection, make the gap of insertion slot become very narrow, and allow surreptitiously the tool can't the insertion activity, so as to improving the anti-theft effect of this class lock core.In addition, the lock core of this class lock screening formula also can be set to lock screening inside and be the form of no protuberance; The jack of adjacent lock screening is arranged to be located at partially the backward end limit respectively, and its press section is arranged to be positioned at opposite end with the limit respectively, make an end and the bigger form of lock screening edges maintain width of jack, and allow the gap of described insertion slot become very narrow, make it have the effect identical and strengthen antitheft effect to reach with aforementioned high projection.

3, the utility model is in conjunction with the feature of lock pearl formula and lock screening formula anti-theft lock device, add near the insertion slot opening part at described lock housing and described lock core and to place the hole, described place be provided with elastic parts in the hole, lock pearl and long lock pearl, make the opening part of described long lock pearl at insertion slot, the gap of insertion slot is become narrow, the particular design that cooperates the screening of rear lock again allows surreptitiously the tool can't the insertion activity, further improves the anti-theft effect of lock core.

4, the utility model can also be applied in the Plum blossom type lock, the utility model can be by adding long lock pearl to fill out the space that envelope is planted for key in lock housing adjacent to the front end place, long lock pearl top is pushed to preceding lock core can't be rotated, therefore can effectively improve its anti-theft effect.

Description of drawings

Fig. 1 is the perspective exploded view one of the utility model first embodiment;

Fig. 2 is the schematic perspective view of the utility model first embodiment;

Fig. 3 is the schematic cross-section after key is inserted in the A-A cross section of Fig. 2;

Fig. 4 is the perspective exploded view two of the utility model first embodiment;

Fig. 5 is the perspective exploded view three of the utility model first embodiment;

Fig. 6 is the perspective exploded view one of the utility model second embodiment;

Fig. 7 is the perspective exploded view two of the utility model second embodiment;

Fig. 8 is that first and second embodiment of the utility model is in conjunction with the perspective exploded view of using;

Fig. 9 is the perspective exploded view three of the utility model second embodiment;

Figure 10 is the perspective exploded view of the utility model the 3rd embodiment;

Figure 11 inserts the schematic cross-section that axially cut off along lock housing the back for the utility model the 3rd embodiment key.

Description of reference numerals:

1 lock housing 10 places hole 11 grooves

2 lock cores, 20 insertion slots 21 place the hole

22 place groove 3 keys 30 deep holes

31 grooves, 4 elastic parts 5 pearl of locking

6 times locks of 50 indentations pearl, 6 ' long lock pearl

60 indentations, 7 lock screenings, 70 protuberances

70 ' high projection 71 jacks, 72 press sections

8 Plum blossom type locks, 80 lock housings 800 place the hole

Lock core 810 inserting parts 811 place the hole before 81

812 spacers, 82 rear lock cores 820 place the hole

The specific embodiment

For ease of more detailed clear and definite understanding being arranged to the purpose of this utility model, effect and structural feature, list preferred embodiment as described below and conjunction with figs. the explanation as after.

See also Fig. 1 to Fig. 4.

As seen from the figure, the described anti-theft lock device of the utility model first embodiment mainly comprises lock housing 1 and lock core 2.Described lock core 2 concentrics are arranged in the described lock housing 1, and its inside then offers insertion slot 20 and inserts for key 3.

With regard to the insertion slot 20 of in-line, what described lock housing 1 and lock core 2 both sides were equipped with plural and insertion slot 20 orthogonal thereto forms respectively places hole 10,21, and both sides to place hole 10,21 parallel each other, elastic parts 4, the pearl 5 of locking, and 6 on the following lock pearl of different length be placed on described placing in the hole 10,21; Wherein, the length of the following lock pearl 6 of the most close insertion slot 20 openings, be slightly larger than the distance of insertion slot 20 center lines approximately to lock housing 1 and lock core 2 intersections, lock pearl 6 ' and form length, make the length of long lock pearl 6 ' lock pearl 6 down greater than other, be to strengthen its structural strength in addition, the diameter of long lock pearl 6 ' is also locked pearl 6 down greater than other.In addition, the pearl 5 of locking that central axis does not intersect with lock core 2 central axiss, its ora terminalis is the design of cone angle form, the problem that interferes when avoiding lock core 2 to rotate, influence the smooth degree that lock core 2 rotates, pearl 5 ora terminalis of locking that central axis and lock core 2 central axiss intersect are then kept the fillet form.

With regard to criss-cross insertion slot 20, described lock housing 1 and lock core 2 cooperates four orientation of cross directions all to be equipped with the plural hole 10,21 that places respectively, elastic parts 4, the pearl 5 of locking, and 6 on the following lock pearl of different length be placed on described placing in the hole 10,21; Wherein, placing of each orientation all is provided with long lock pearl 6 ' and plural lock pearl 6 down in the hole 21, and the length of described long lock pearl 6 ' is slightly less than the distance of cross insertion slot 20 central points to lock housing 1 and lock core 2 intersections approximately, make the length of long lock pearl 6 ' lock pearl 6 down greater than other, be to strengthen its structural strength in addition, the diameter of long lock pearl 6 ' is also locked pearl 6 down greater than other.The structure and the cross insertion slot 20 of circular insertion slot 20 are similar, therefore no longer describe in detail.

According to by aforementioned structure, described long lock pearl 6 ' is when blocking, its front end protrudes out to and surmounts insertion slot 20 centerline, thereby block insertion slot 20 gap originally, make the gap of insertion slot 20 become very narrow, and allow surreptitiously the tool (for example master key) can't the insertion activity, more do not have what is called to dial the fulcrum that moves long lock pearl 6 ' by lever principle and exist, thereby latch effect is good, safe.

Even and surreptitiously tool is improved to the insertion slot 20 that can insert lock core 2 and long lock pearl 6 ' can be supported to lock housing 1 direction, described long lock pearl 6 ' is terminal also can placing in the hole 21 from lock core 2, intersection through lock housing 1 and lock core 2, and move on to the placing in the hole 10 of lock housing 1, cause lock core 2 can't can't finish the action of release with respect to lock housing 1 rotation, simultaneously, the operator also can't continue court and more try other length of lock pearl 6 down in the depths, so the utility model still can be kept its anti-theft effect.

Unique unlock method, just be to use the key 3 that mates mutually with lock core 2, and described key 3 needs to offer deep hole 30 on long lock pearl 6 ' pairing position, allow the long lock pearl 6 ' can be when the end of lock pearl 6 has all been dialled bullet to the intersection of lock housing 1 and lock core 2 down at other, borrow elastic parts 4 that it is pushed away bullet towards insertion slot 20 directions, and make long lock pearl 6 ' front end fall into described deep hole 30, allow long lock pearl 6 ' end can move on to the intersection of lock housing 1 and lock core 2, make lock core 2 can finish the action of release with respect to lock housing 1 rotation.Wherein, establish the flaw that four deep holes 30 can cause structural strength for avoiding digging on same cross section, criss-cross key 3 needs its deep hole 30 to be arranged on the position of different cross section as far as possible; Therefore, lock core 2 inside of pairing cross insertion slot 20, placing in the hole 21 of four orientation of cooperation cross direction, each orientation all are provided with a long lock pearl 6 ' and the plural pearl 6 of lock down, and the position that long lock pearl 6 ' is disposed at most can only be identical in twos.The circular key 3 and the internal construction of lock core 2 are also identical.

In addition, by adding a circle indentation 50 at the different parts of the pearl 5 of respectively locking respectively, allow and attempt to hold instrument release person by force, easily described indentation 50 is thought by mistake be the last edge of locking pearl 6 down, and be difficult to try out the physical length of each time lock pearl 6, if add under lock pearl 6 and long lock pearl 6 ' surface is provided with indentation 60, just can allow pearl 5 and lock pearl 6 or long more difficult tested exactly come out of ora terminalis that pearl 6 ' joins of locking down of locking; Therefore the utility model can reach antitheft effect really.

See also Fig. 5.

As seen from the figure, first embodiment of the present utility model can also be applied in key 3 and need according in the lock core 2 of unidirectional insertion, equally the following lock pearl 6 of the most close insertion slot 20 openings is made the bigger long lock pearl 6 ' of length to increase its anti-theft effect; But leaving the space because of insertion slot 20 belows of this class lock core 2 can insert by stolen tool, therefore in described lock core 2, set up and descend lock pearl 6 axial quadratures and can protrude out to growing of space, insertion slot 20 below and lock pearl 6 ', thereby envelope is filled out in the space of insertion slot 20 belows, make the gap of insertion slot 20 become very narrow, and allow surreptitiously the tool can't the insertion activity, so as to improving the anti-theft effect of this class lock core 2.

Or in described lock core 2, set up and descend lock pearl 6 axially parallels and can protrude out to growing of space, insertion slot 20 below and lock pearl 6 ', can make the gap of insertion slot 20 become very narrow equally, and improve the anti-theft effect of this class lock core 2.

See also Fig. 6 to Fig. 8.

As seen from the figure, the described anti-theft lock device of the utility model second embodiment mainly comprises lock housing 1, lock core 2 and the screening 7 of plural hollow form lock.Described lock core 2 concentrics are arranged in the lock housing 1, its inside offers insertion slot 20 and inserts for key 3 (not shown), the surface is run through and is provided with the plural groove 22 that places, then offer correspondence on the lock housing 1 and place the groove 11 of groove 22, lock screening 7 is arranged on and places in the groove 22, wherein, the operating principle of lock screening formula lock core belongs to known technology, therefore no longer describes in detail.

With regard to the lock screening 7 that the inner hollow place is provided with protuberance 70, all be provided with the protuberance 70 of elastic parts 4 and differing heights in each lock screening 7, and strengthen antitheft effect for reaching, therefore the protuberance 70 of the lock screening 7 of the most close insertion slot 20 openings is increased, allow its height form high projection 70 ' greater than the height of other lock screening 7 protuberances 70, make described high projection 70 ' have the effect identical with long lock pearl 6 ' among first embodiment, can only be by offer the key 3 of deep hole 30 (not shown) in position with high projection 70 ' correspondence, could be after key 3 inserts insertion slot 20, make the ora terminalis of all lock screenings 7 all tangent with the inner edge of lock housing 1, and then drive lock core 2 with key 3 and produce rotation with respect to lock housing 1, to finish the action of release.

In addition, second embodiment of the present utility model also can will come the protuberance 70 of first and second mortice lock screening 7 to be arranged to relative up and down form from insertion slot 20 opening numbers, and it is highly increased and forms high projection 70 '; As shown in Figure 7, the high projection 70 ' of the first mortice lock screening 7 is arranged on the right side on the limit relative with elastic parts 4, and the high projection 70 ' of the second mortice lock screening 7 is arranged on the left side on the limit adjacent with elastic parts 4, make the gap of insertion slot 20 become very narrow, and allow surreptitiously the tool can't the insertion activity, so as to improving the anti-theft effect of this class lock core 2.

Even as shown in Figure 8, in conjunction with first and second embodiment of the present utility model, at lock housing 1 and lock core 2 close insertion slot 20 opening parts, add with insertion slot 20 orthogonal thereto forms place hole 10,21, to place elastic parts 4, the pearl 5 of locking, to reach long lock pearl 6 ', make described long lock pearl 6 ' that the gap of insertion slot 20 opening parts is become narrow, cooperate the rear to lock the high projection 70 ' of screening 7 again, allow surreptitiously the tool can't the insertion activity, further improve the anti-theft effect of lock core 2.

See also Fig. 9.

With regard to the inner hollow place did not have the lock screening 7 that protuberance 70 (please refer to Fig. 6) is set, each lock all offered jack 71 in screening 7, and the side outer rim of lock screening 7 more is provided with press section 72, and 4 of elastic parts are arranged on press section 72 1 sides.Strengthen antitheft effect for reaching, (for example: insertion slot 20 opening numbers come the top of the jack 71 deflection lock screenings 7 of the first mortice lock screening 7 therefore will to come the jack 71 of first and second mortice lock screening 7 to be arranged to be located at partially the backward end limit respectively from insertion slot 20 opening numbers; The below of the jack 71 deflection lock screenings 7 of the second mortice lock screening 7), and its press section 72 is arranged to be positioned at opposite end with the limit respectively, make end of jack 71 and the corresponding lock screening bigger form of 7 edges maintain width and and long among first embodiment to lock pearl 6 ' (please refer to first figure) the same, the gap that makes insertion slot 20 becomes very narrow and allows surreptitiously the tool can't the insertion activity, so as to improving the anti-theft effect of this class lock core 2.

Similarly, the lock core of this kind lock screening 7 also can with the first embodiment combination of the present utility model, as shown in Figure 8, at lock housing 1 and lock core 2 close insertion slot 20 opening parts, add and place hole 10,21 to place elastic parts 4, the pearl 5 of locking, to reach long lock pearl 6 ', make surreptitiously the tool can't the insertion activity, further improve the anti-theft effect of lock core 2.

See also Figure 10 and Figure 11.

As seen from the figure, the 3rd embodiment of the present utility model is applied in the Plum blossom type lock 8, mainly comprises lock housing 80, preceding lock core 81 and rear lock core 82.Lock core 81 is provided with inserting part 810 adjacent to the front end place before described, offer the plural hole 811 that places in the inserting part 810, inserting part 810 front ends convex with the plural spacer of arranging in the form of a ring 812, the curved design of spacer 812 outer rims (shown in the amplification of Figure 10 circle); Before described rear lock core 82 coaxial being set in the lock core 81 and be positioned at inserting part 810 rear ends, the hole 811 that places of cooperation inserting part 810 offers the plural corresponding hole 820 that places on rear lock core 82 and the face that inserting part 810 pastes mutually.Described placing mainly is provided with the elastic parts 4 and the pearl 5 of locking in the hole 820, described placing mainly is provided with down lock pearl 6 in the hole 811.Wherein, the operating principle of Plum blossom type lock 8 belongs to known technology, therefore no longer describes in detail.

Wherein, described lock housing 80 offers the more than one hole 800 that places adjacent to the front end place, place and be provided with elastic parts 4 in the hole 800, lock pearl 5 and long lock pearl 6 ', and pearl 5 ends of locking are the cone angle form, and long lock pearl 6 ' end then is the fillet form.

Therefore, the utility model can be by adding long lock pearl 6 ' in lock housing 80 adjacent to the front end place, make described long lock pearl 6 ' preceding lock core 81 and lock housing 80 front ends can be formed the space of planting for key 3 and fill out envelope, in case there is foreign object to insert, long lock pearl 6 ' top will be pushed in the lock housing 80, lock core 81 can't produce relative rotation and release before allowing, and therefore can effectively improve its anti-theft effect.

Unique unlock method, just be to use the key 3 that mates mutually with preceding lock core 81, and described key 3 needs to offer groove 31 on long lock pearl 6 ' pairing position, after key 3 inserts fully, the long lock pearl 6 ' of upwards being passed in the lock housing 80 can be pushed again to get back in the groove 31, allow the top of long lock pearl 6 ' get back to lock housing 80 inner edges, make key 3 can drive preceding lock core 81 and rotate and finish release.Wherein, when preceding lock core 81 rotated, the pearl 5 of locking can be the design of cone angle form because of it is terminal, cooperates the arc design of spacer 812 outer rims, and helped long smooth degree when locking pearl 6 ' turn.

In view of the above, as can be seen by as above preferred embodiment:

1, the utility model is mainly by the following lock pearl that will lock the most close insertion slot opening in the pearl formula lock core, be arranged to length and lock the long lock pearl of pearl down greater than other, make the gap of insertion slot become very narrow, tool can't insert and allow surreptitiously, even and insert by force, also will pass long lock pearl in the lock housing, lock core can't be rotated with respect to lock housing, simultaneously, the operator also can't continue more to try other length of lock pearl down in the depths towards lock core;

2, maybe will lock the protuberance of the lock screening of the most close insertion slot opening in the screening formula lock core, be arranged to height greater than the protuberance height of other lock screening form, can reach and the identical anti-theft effect of aforementioned long lock pearl;

3 even in conjunction with the feature of aforementioned two kinds of anti-theft lock devices, add near the insertion slot opening part at lock housing and lock core and to place the hole, making described length lock pearl can be at the opening part of insertion slot, the gap of insertion slot is become narrow, the high projection that cooperates rear lock screening again, allow surreptitiously the tool can't the insertion activity, further improve the anti-theft effect of lock core;

4, the utility model adds indentation in the bead surface of locking, can make and attempt to hold instrument release person by force, easily described indentation is thought by mistake be the last edge of locking pearl down, and be difficult to try out the physical length of each time lock pearl, other can be engaged in down the lock pearl and long lock bead surface also is provided with indentation, allow pearl and following more difficult tested exactly come out of the ora terminalis that joins of lock pearl or long lock pearl of locking, to reach the effect of strengthening anti-theft effect;

5, the utility model changes the cone angle form by the ora terminalis of the pearl of locking that central axis is not intersected with the lock core central axis into from the fillet form, and the problem that interferes can avoid lock core to rotate the time reaches and keeps the effect that lock core rotates smooth degree;

6, the utility model can be applied in locksets such as various U-shape lock, padlock, door lock, so application is extensive, practicality is high.

The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.

Claims (10)

1. anti-theft lock device, it consists predominantly of lock housing and lock core, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, be equipped with the plural hole that places on described lock housing and the described lock core, and each place all be provided with elastic parts in the hole, the following lock pearl of lock pearl and different length; It is characterized in that the length of the following lock pearl of the most close insertion slot opening is locked pearl down greater than other.

2. anti-theft lock device as claimed in claim 1 is characterized in that, the cross section of described insertion slot is in-line, cross or circle.

3. anti-theft lock device as claimed in claim 1 is characterized in that, the described pearl end of locking is the cone angle form.

4. anti-theft lock device, it consists predominantly of lock housing, lock core and the screening of plural hollow form lock, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, plug face then runs through and is provided with the plural groove that places, offer the corresponding described groove that places groove on the described lock housing, described lock screening is arranged on described placing in the groove, and all is provided with the protuberance of elastic parts and differing heights in each lock screening; It is characterized in that the protuberance height of the lock screening of the most close described insertion slot opening is greater than the protuberance height of other lock screening.

5. anti-theft lock device as claimed in claim 4 is characterized in that, the protuberance of adjacent lock screening is arranged to relative up and down form.

6. anti-theft lock device as claimed in claim 4 is characterized in that, adds near the insertion slot opening part at described lock housing and described lock core and places the hole, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

7. anti-theft lock device, it consists predominantly of lock housing, lock core and the screening of plural hollow form lock, described lock pin coaxial is arranged in the lock housing, lock core inside offers insertion slot, plug face then runs through and is provided with the plural groove that places, offer the corresponding described groove that places groove on the described lock housing, described lock screening is arranged on described placing in the groove, and offer jack in the described lock screening, the side outer rim of described lock screening more is provided with the press section, and below, described press section is provided with elastic parts; It is characterized in that the jack of adjacent lock screening is arranged to be located at partially the backward end limit respectively, and its press section is arranged to be positioned at opposite end with the limit respectively.

8. anti-theft lock device as claimed in claim 7 is characterized in that, adds near the insertion slot opening part at described lock housing and described lock core and places the hole, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

9. anti-theft lock device, it consists predominantly of lock housing, preceding lock core and rear lock core, lock pin coaxial is arranged in the described lock housing before described, described before lock core be provided with inserting part adjacent to the front end place, described rear lock core is coaxial be set in described before in the lock core and be positioned at described inserting part rear end; It is characterized in that, offer the more than one hole that places on the described lock housing, described place be provided with elastic parts in the hole, lock pearl and long lock pearl.

10. anti-theft lock device as claimed in claim 9 is characterized in that, the described pearl end of locking is the cone angle form.

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