CN205172183U

CN205172183U - Mechanical type theftproof lock core

Info

Publication number: CN205172183U
Application number: CN201520586127.6U
Authority: CN
Inventors: 蔡玲隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-30
Filing date: 2015-07-30
Publication date: 2016-04-20
Anticipated expiration: 2025-07-30

Abstract

The utility model provides a mechanical type theftproof lock core, by the key, outer core, the inner core, parts such as pellet shot from a slingshot are constituteed, the inner core can not rotate mutually with outer core, can adopt dead lever (6) and connect outer core and inner core, the key inserts when the lock core is inside to divide into the cylinder, be equipped with on this cylinder that recess (1S) and bottom surface (1D) are transversal to be personally submitted arc and correspond with the pellet shot from a slingshot is supporting, it is supporting with the pellet shot from a slingshot that effect ring (9) is equipped with annular (9C), insert when opening and screw key, its double -layered groove (1J) is cliied effect ring (9) last elastic rod (10) and is made its rotation, pellet shot from a slingshot one end is slideed in recess (1S) bottom surface (1D) simultaneously, like this dead man (11) alright stir the spring bolt and open, gyration key to normal position can when closing, the part was if make the flat in the key inserted the lock core, it can to do some changes to the key with effect ring (9), the inner core need not rotate yet and can realize opening and closing during screw key. The utility model discloses simple structure, not only anti -riot power is unblanked and the fault rate is low.

Description

A kind of mechanical type anti-theft lock core

Technical field

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

Background technology

The mechanical antitheft lock used in present people's life, all needs the inner core inserting matched key rotary locking cylinder could open this lockset when opening.Unblank to prevent inserting lock core violence with foreign matter, market also there is a kind of racing lock, inserting rotational lock core inner core with matched key could drive driving lever to open lockset, unblank as inserted lock core with non-matching key, lock core inner core just can dally and cannot open lockset, but this kind of lock structure is more complicated, thus fault rate is also higher.

Summary of the invention

The purpose of this utility model designs a kind of inner core of lock core and outer core is the structure can not rotated mutually, lock core is equipped with the supporting mechanism of opening for it, closing with several pellets, reaching to insert when matched key rotates unlatching does not need the inner core of rotational lock core just can realize the mechanical type anti-theft lock core of this lockset unlatching, its structure is simple, not only can anti-violence unblank and also fault rate also lower.

For achieving the above object, the utility model is achieved like this, its structure includes the parts such as matched key, inner core, outer core, pellet, fixed bar, effect ring or actuating rod, and the groove on matched key matches with the pellet on lock core and position is corresponding.Inner core and the outer core of the utility model lock core are the fixed structure that can not rotate mutually, and lock core is equipped with the supporting mechanism of opening for it, closing with several pellets.

To be the fixed structure that can not rotate mutually can be that inner core separates with outer core manufactures for the inner core of the utility model lock core and outer core, outer in-core is empty supporting and be assembled into one with inner core profile, several fixed bars are adopted to connect inner core and outer core, inner core and outer core can not be rotated mutually by violence do not extracted by violence with inner core, this fixed structure also can be other fixed structure pattern, and its structure can guarantee that the inner core of lock core can not be rotated with foreign matter violence or destroy.

Lock core is equipped with and supportingly with several pellets opens for it, the first way of mechanism of closing is applicable to insert and rotary matching key is less than 360 degree can realize on the mechanical type anti-theft lock core that this lockset opens completely, its structure includes matched key, outer core, inner core, pellet, the parts such as effect ring, some each fixed bars connect the inner core of lock core and outer core, pellet is provided with into groove, spring is equipped with in pellet one end, part matched key inserted in lock core is cylindrical structure, this part cylindrical is provided with several fan-shaped V-type grooves, this V-type groove is corresponding with tumbler positions in lock core and supporting, the cross section of the bottom surface of itself and pellet end thereof contacts is circular arc, some each fixed bars connect the inner core of lock core and outer core, between the inner core and outer core of lock core, be equipped with one act on ring, one end of effect ring is connected with driving lever, it is also corresponding with tumbler positions respectively that effect ring is provided with several annular grooves, each projection on annular groove is respectively near each pellet side, this annular groove width is greater than billiards diameter, the minimum widith of annular groove both sides projection is less than billiards diameter, the central angle that this annular groove arc length the is right central angle right with circular groove bottom surface on matched key is roughly the same, its angle is rotates with matched key the angle realizing opening this lockset needs completely, the medial surface cavity place, one end of effect ring is connected with two elastic rods, one end of matched key is provided with clip slot, when inserting matched key, its clip slot just can clamp two elastic rods of effect ring one end, when opening, insert matched key completely, pellet drops on V-type groove bottom on matched key just, the groove that enters now on pellet corresponds to tram just with the projection on the annular groove limit on effect ring, rotate matched key, effect ring also rotates thereupon, projection on its annular groove limit is also just smooth in corresponding pellet enters groove, be rotated further key, until driving lever stirs dead bolt to opening completely, matched key rotation process, pellet one end is slided in V-type groove arc shape bottom surface, in taxiing procedures, each tumbler positions keeps motionless, during closedown, rotary matching key is to original position, during matched key revolution, effect ring also forwards original position to thereupon, matched key pellet is transferred to fall original position, the projection that pellet side is blocked on effect ring annular groove limit makes it can not be moved by switch, such lockset just enters closed condition.The above-mentioned elastic rod being located at effect ring one end can elastic buckling, correctly inserts matched key completely when normally firmly rotarily opening, and clip slot can induced effect ring make it rotate and can not stressedly bend by elastic rod on the key; When inserting violence with non-matching key or foreign matter and rotating elastic rod, pellet can not be in tram, namely pellet enters groove and all can not correspond to tram with effect ring projection, the annular groove limit projection that effect ring is blocked in pellet side makes it can not be moved by switch, when elastic rod stressed higher than it at the correct stressing conditions inserted completely when matched key normally firmly rotarily opens, now this elastic rod will stressedly bend, effect ring can not be driven to rotate, if then it is no longer stressed, this elastic rod will restore in resilience.

Lock core is equipped with and supportingly with several pellets opens for it, the second way of the mechanism closed adopts the effect ring in actuating rod replacement the first way above-mentioned, this way can realize inserting and this lockset of the arbitrarily angled unlatching of rotary matching key, matched key and pellet way principle are with the first way above-mentioned, some each fixed bars connect the inner core of lock core and outer core, pellet is provided with into groove, spring is equipped with in pellet one end, lock core is equipped with actuating rod and the collar supporting with it, collar one end is connected with driving lever, be provided with a circle effect groove at collar cavity medial surface and be connected with two elastic rods, on actuating rod, the minimum widith of the projection that both sides are provided with is less than corresponding billiards diameter, its one end is connected with nose bar, this nose bar extend in effect groove, whole circle effect groove launches there is one section in " < " shape, all the other are flat section " one " font, when lock core is closed, the nose bar of actuating rod one end is positioned at the leftmost side of effect groove " < " shape, when lock core will be opened, insertion matched key puts in place, its one end clip slot clamps two elastic rods, rotary matching key, pellet one end is slided in circular groove bottom surface on the key, the collar rotates thereupon, when the collar just rotates, the nose bar of actuating rod one end slides along " < " shape section on effect groove, actuating rod is just towards right slip, when actuating rod slides, several projections on actuating rod are also just smooth in each corresponding pellet enters groove, when the nose bar on actuating rod slides into " one " the font section of putting down on effect groove, several projections on actuating rod just all enter outside groove by entering groove and being positioned on pellet on each pellet, continue to rotate key, nose bar on actuating rod slides in " one " font section of putting down of effect groove, now actuating rod keeps not sliding, the projection on its both sides is because being positioned at outside groove, on pellet can allow when matched key rotates, lower shift position, Arbitrary Rotation key can be realized like this until driving lever stirs dead bolt to opening completely.Key is rotated to the position closed during closedown, on actuating rod, nose bar gets back to again the leftmost side being positioned at " < " shape on effect groove, i.e. actuating rod but also slip back to original position, matched key pellet is transferred to fall original position, the pellet side projection blocked on actuating rod makes it does not dialled slip, and such lockset just enters closed condition.The above-mentioned elastic rod being connected in collar medial surface can elastic buckling, and correctly insert matched key completely when normally firmly rotarily opening, clip slot can drive elastic rod on the collar to make it rotate and can not stressedly bend on the key; When inserting violence with non-matching key or foreign matter and rotating elastic rod, pellet can not be in tram, namely pellet enters groove and actuating rod projection all can not correspond to tram, actuating rod projection is blocked in pellet side makes it does not dialled slip, when elastic rod stressed higher than it at the correct stressing conditions inserted completely when matched key normally firmly rotarily opens, now this elastic rod will stressedly bend, and the collar can not be driven to rotate, if then it is no longer stressed, this elastic rod will restore in resilience.

Lock core is equipped with and supportingly with several pellets opens for it, the third way of the mechanism closed is that matched key insertion lock core inside is divided into non-cylinder structure, as being flat or other shape, when rotary matching key turning handle is opened, this part is not rotated, its groove-bottom plane supporting with pellet be provided with can touch pellet one end completely, do not need to adopt above-mentioned circular groove bottom surface structure, some each fixed bars connect the inner core of lock core and outer core, pellet is provided with into groove, spring is equipped with in pellet one end, lock core built with one end of effect ring extend on lockhole mouth side, and two little hole slots are provided with on this end side surface edge, the other end is connected with driving lever, on matched key turning handle, be provided with two salient points simultaneously, the aperture slot that this salient point is provided with effect ring one end side is put corresponding and can extend into when matched key inserts completely in this little hole slot, one end by turning handle on matched key is provided with rotating shaft, on turning handle, be provided with the supporting hole of rotating shaft is therewith assembled into integrally with rotating shaft simultaneously, turning handle can rotate around the axis, effect ring is provided with the annular groove corresponding with tumbler positions, its way is with the annular groove in the first way above-mentioned, and increase has the annular groove corresponding with fixed bar position, this annular groove width is greater than fixed bar diameter but does not need to arrange projection, matched key is inserted completely when opening, now on turning handle, salient point extend in the little hole slot of effect ring upper side, rotate turning handle, effect ring rotates thereupon, the action principle of effect ring is with the principle in the first way above-mentioned, its one end driving lever just can stir dead bolt to opening completely, when turning handle rotates, part matched key inserted in lock core is not rotated, turning handle is rotated to original position during closedown, the driving lever of effect ring one end also stirs dead bolt to original closed condition thereupon.

On the lock core of all types of structure of above-mentioned the utility model, pellet can be multiple pattern, as existing commercially existing common spring locks circular billiards structure, elastic piece structure on blade lock, billiards structure on other mechanical lock cores such as elastic piece structure is locked without spring, pellet entering groove also can other pattern, elastic piece structure can be monolateral establishing into groove in this way, if with effect ring or actuating rod supporting; The pellet type selected should be supporting with key type, and as answered the key of its correspondence supporting without spring type structure lock core, when will guarantee in a word to insert matched key, pellet entering groove all can be in tram; Pellet can be a row or multi-row, often row can be the above-mentioned single layer structure without upper and lower pellet bringing groove into, also can be have upper and lower pellet double-decker, have the double-decker of upper and lower pellet if adopt, then wherein one deck be the billiards structure above-mentioned lock core being brought groove into; The supporting structure of lock core of the present utility model and matched key can be other pattern on above-mentioned all types of structural principle basis, as long as be similar to above-mentioned all types of structural principle, all belongs to the scope of the utility model protection.

Accompanying drawing explanation

Fig. 1 is the front elevation view of the first scheme of the utility model.

Fig. 2 for shown in Fig. 1 along the sectional drawing of 1-1 line.

Fig. 3 for shown in Fig. 1 along the sectional drawing of 2-2 line.

Fig. 4 for shown in Fig. 1 along the sectional drawing of 3-3 line.

Fig. 5 is the drawing of pellet 3 shown in Fig. 1.

Fig. 6 launches plan view for acting on ring 9 shown in Fig. 1

Fig. 7 is the front elevation view of the utility model first scheme.

Fig. 8 for shown in Fig. 7 along the sectional view of 4-4 line.

Fig. 9 is the front elevation view of the third scheme of the utility model.

Figure 10 for shown in Fig. 9 along the sectional view of 5-5 line.

Detailed description of the invention

Inner core 2B and the outer core 2A of the utility model lock core 2 are the fixed structure that can not rotate mutually, and lock core 2 is equipped with the supporting mechanism of opening for it, closing with several pellets 3.As shown in Fig. 1 to Figure 10, the utility model there are three kinds of embodiments, its structure includes matched key 1, inner core 2B, outer core 2A, pellet 3, fixed bar 6, parts such as effect ring 9 or actuating rod 23 etc., and the groove on matched key 1 matches with the pellet 3 on lock core 2 and position is corresponding.

Three kinds of embodiments of the present utility model as shown in Fig. 1 to Figure 10, inner core 2B and the outer core 2A of its lock core 2 are the fixed structure that can not rotate mutually can be adopt several fixed bars 6 to be connected inner core 2B and outer core 2A, inner core 2B and outer core 2A can not be rotated mutually by violence do not extracted by violence with inner core 2B, this fixed structure also can be other fixed structure pattern, and its structure can guarantee that the inner core 2B of lock core 2 can not be rotated with foreign matter violence or destroy.

As as shown in Fig. 1 to Fig. 6, lock core 2 is equipped with and supportingly with several pellets 3 opens for it, the first scheme of mechanism of closing is applicable to insert and rotary matching key 1 is less than 360 degree can realize on the mechanical type anti-theft lock core that this lockset opens completely, its structure includes matched key 1, outer core 2A, inner core 2B, pellet 3, parts such as effect ring 9 grade, part matched key 1 inserted in lock core 2 is cylindrical structure, this part cylindrical is provided with several fan-shaped V-type groove 1S, this V-type groove 1S is corresponding and supporting with pellet 3 position in lock core 2, the cross section of the bottom surface 1D of itself and pellet 3 end thereof contacts is circular arc, some each fixed bars 6 connect the inner core 2B of lock core 2 and outer core 2A, pellet 3 is provided with into groove 4, spring 5 is equipped with in pellet 3 one end, between the inner core 2B and outer core 2A of lock core 2, be equipped with one act on ring 9, one end of effect ring 9 is connected with driving lever 11, it is also corresponding with pellet 3 position respectively that effect ring 9 is provided with several annular grooves 9C, each projection 7 on annular groove 9C is respectively near each pellet 3 side, this annular groove 9C width is greater than pellet 3 diameter, the minimum widith of annular groove 9C both sides projection 7 is less than pellet 3 diameter, the central angle that this annular groove 9C arc length the is right central angle right with circular groove bottom surface 1D on matched key 1 is roughly the same, its angle is rotates with matched key 1 angle realizing opening this lockset needs completely, medial surface cavity 8 place, one end of effect ring 9 is connected with two elastic rods 10, one end of matched key 1 is provided with clip slot 1J, when inserting matched key 1, its clip slot 1J just can clamp two elastic rods 10 of effect ring 9 one end, when opening, insert matched key 1 completely, pellet 3 drops on V-type groove 1S bottom surface 1D on matched key 1 just, the groove 4 that enters now on pellet 3 corresponds to tram just with the projection 7 on the annular groove 9C limit on effect ring 9, rotate matched key 1, effect ring 9 also rotates thereupon, projection 7 on its annular groove 9C limit is also just smooth in corresponding pellet 3 enters groove 4, be rotated further key, until driving lever 11 stirs dead bolt to opening completely, matched key 1 rotation process, pellet 3 one end is slided at V-type groove arc shape bottom surface 1D, in taxiing procedures, each pellet 3 position keeps motionless, rotary matching key 1 to original position during closedown, act on ring 9 when matched key 1 turns round and also forward original position to thereupon, matched key 1 pellet 3 is transferred to fall original position, the projection 7 that pellet 3 side is blocked on effect ring 9 annular groove 9C limit makes it can not be moved by switch, such lockset just enters closed condition.The above-mentioned elastic rod 10 being located at effect ring 9 one end can elastic buckling, correctly inserts matched key 1 completely when normally firmly rotarily opening, and clip slot 1J can induced effect ring 9 make it rotate and can not stressedly bend by elastic rod 10 on the key; When inserting violence with non-matching key 1 or foreign matter and rotating elastic rod 10, pellet 3 can not be in tram, namely pellet 3 enters groove 4 and all can not correspond to tram with effect ring 9 projection 7, the annular groove 9C limit projection 7 that effect ring 9 is blocked in pellet 3 side makes it can not be moved by switch, when elastic rod 10 stressed higher than it at the correct stressing conditions inserted completely when matched key 1 normally firmly rotarily opens, now this elastic rod 10 will stressedly bend, effect ring 9 can not be driven to rotate, if then it is no longer stressed, this elastic rod 10 will restore in resilience.Fig. 5 is pellet 3 drawing, and it enters groove 4 way principle and is applicable to following first scheme and the pellet 3 in the third scheme.

As Fig. 7, shown in Fig. 8, lock core 2 is equipped with and supportingly with several pellets 3 opens for it, the first scheme of the mechanism closed is the effect ring 9 that employing actuating rod 23 replaces in the first way above-mentioned, this way can realize inserting and this lockset of the arbitrarily angled unlatching of rotary matching key 1, matched key 1 and pellet 3 way principle are with the first way above-mentioned, fixed bar 6 connects inner core 2B and outer core 2A, pellet 3 is provided with into groove 4, spring 5 is equipped with in pellet 3 one end, each projection 7 on actuating rod 23 is respectively near each pellet side, its lock core 2 is equipped with actuating rod 23 and the collar 20 supporting with it, the collar 20 one end is connected with driving lever 11, be provided with a circle effect groove 22 at the collar 20 cavity 21 medial surface and be connected with two elastic rods 10, on actuating rod 23, the minimum widith of the projection 7 that both sides are provided with is less than corresponding pellet 3 diameter, its one end is connected with nose bar 24, this nose bar 24 extend in effect groove 22, whole circle effect groove 22 launches there is one section in " < " shape, all the other are flat section " one " font, when lock core 2 is closed, the nose bar 24 of actuating rod 23 one end is positioned at the leftmost side of effect groove 22 " < " shape, when lock core 2 will be opened, insert matched key 1 to put in place, its one end clip slot 1J clamps two elastic rods 10, rotary matching key 1, pellet 3 one end is slided at circular groove bottom surface 1D on the key, the collar 20 rotates thereupon, when the collar 20 just rotates, the nose bar 24 of actuating rod 23 one end slides along " < " shape section on effect groove 22, actuating rod 23 is just towards right slip, when actuating rod 23 slides, several projections 7 on actuating rod 23 are also just smooth in each corresponding pellet 3 enters groove 4, when the nose bar 24 on actuating rod 23 slides into " one " the font section of putting down on effect groove 22, several projections 7 on actuating rod 23 just all enter outside groove 4 by entering groove 4 and being positioned on pellet 3 on each pellet 3, continue to rotate key, nose bar 24 on actuating rod 23 slides in " one " font section of putting down of effect groove 22, now actuating rod 23 keeps not sliding, the projection 7 on its both sides is because being positioned at outside groove 4, on pellet 3 can allow when matched key 1 rotates, lower shift position, Arbitrary Rotation matched key 1 can be realized like this until driving lever 11 stirs dead bolt to opening completely.Matched key 1 is rotated to the position closed during closedown, on actuating rod 23, nose bar 24 gets back to again the leftmost side being positioned at " < " shape on effect groove 22, i.e. actuating rod 23 but also slip back to original position, matched key 1 pellet 3 is transferred to fall original position, the pellet 3 side projection 7 blocked on actuating rod 23 makes it does not dialled slip, and such lockset just enters closed condition.The above-mentioned elastic rod 10 being connected in the collar 20 medial surface can elastic buckling, and correctly insert matched key 1 completely when normally firmly rotarily opening, clip slot 1J can drive elastic rod 10 on the collar 20 to make it rotate and can not stressedly bend on the key; When inserting violence with non-matching key 1 or foreign matter and rotating elastic rod 10, pellet 3 can not be in tram, namely pellet 3 enters groove 4 and all can not correspond to tram with actuating rod 23 projection 7, actuating rod 23 projection 7 is blocked in pellet 3 side makes it does not dialled slip, when elastic rod 10 stressed higher than it at the correct stressing conditions inserted completely when matched key 1 normally firmly rotarily opens, now this elastic rod 10 will stressedly bend, the collar 20 can not be driven to rotate, if then it is no longer stressed, this elastic rod 10 will restore in resilience.

As Fig. 9, shown in Figure 10, lock core 2 is equipped with and supportingly with several pellets 3 opens for it, the third scheme of mechanism of closing is that matched key 1 inserts lock core 2 inside and is divided into non-cylinder structure, as being flat or other shape, insert part in lock core when rotary matching key 1 turning handle 1E opens not rotate, its groove-bottom plane 1H supporting with pellet 3 be provided with can touch pellet 3 one end completely, do not need to adopt above-mentioned V-type groove arc shape bottom surface structure, fixed bar 6 connects inner core 2B and outer core 2A, pellet 3 is provided with into groove 4, spring 5 is equipped with in pellet 3 one end, each projection 7 on effect ring 9 is respectively near each pellet 3 side, lock core 2 built with one end of effect ring 9 extend on lockhole mouth side, and on this end side surface edge, be provided with two little hole slot 9K, the other end is connected with driving lever 11, on matched key 1 turning handle 1E, be provided with two salient point 1F simultaneously, this salient point 1F is corresponding with the little hole slot 9K position that effect ring 9 one end side is provided with and can extend in this little hole slot 9K when matched key 1 inserts completely, one end by turning handle 1E on matched key 1 is provided with rotating shaft 1G, on turning handle 1E, be provided with the hole that rotating shaft 1G is supporting is therewith assembled into integrally with rotating shaft 1G simultaneously, turning handle 1E can rotate by 1G around the shaft, effect ring 9 is provided with the annular groove 9C corresponding with pellet 3 position, its way is with the annular groove 9C in the first way above-mentioned, and increase has the annular groove 9C corresponding with fixed bar 6 position, this annular groove 9C width is greater than fixed bar 6 diameter but does not need to arrange protruding 7, matched key 1 is inserted completely when opening, now on turning handle 1E, salient point 1F extend in the little hole slot 9K of effect ring 9 upper side, pellet 3 falls groove-bottom plane 1H, pellet 3 enters groove 4 and correspond to tram with the projection 7 on effect ring 9, rotate turning handle 1E, effect ring 9 rotates thereupon, the action principle of effect ring 9 is with the principle in the first way above-mentioned, its one end driving lever 11 just can stir dead bolt to opening completely, when turning handle 1E rotates, part matched key 1 inserted in lock core 2 is not rotated, turning handle 1E is rotated to original position during closedown, the driving lever 11 of effect ring 9 one end also stirs dead bolt to original closed condition thereupon.

As shown in Fig. 1 to Figure 10, on the lock core 2 of all types of structure of above-mentioned the utility model, pellet 3 can be multiple pattern, as existing commercially existing common spring locks circular billiards structure, elastic piece structure on blade lock, other mechanical lock core billiards structures such as elastic piece structure are locked without spring, pellet 3 entering groove 4 also can other pattern, and elastic piece structure can be monolateral establishing into groove 4 in this way, if with effect ring 9 or actuating rod 23 supporting; The pellet type selected should be supporting with key type, and as answered the key of its correspondence supporting without spring type structure lock core, when will guarantee in a word to insert matched key 1 completely, pellet 3 entering groove 4 all can be in tram; Pellet 3 can be a row or multi-row, often row can be the above-mentioned single layer structure without upper and lower pellet bringing groove 4 into, also can be have upper and lower pellet double-decker, have the double-decker of upper and lower pellet if adopt, then wherein one deck be pellet 3 structure of above-mentioned lock core 2 being brought groove 4 into; Lock core of the present utility model 2 can be other pattern with the supporting structure of matched key 1 on above-mentioned all types of structural principle bases, as long as be similar to above-mentioned all types of structural principle, all belongs to the scope of the utility model protection.

Claims

1. a mechanical type anti-theft lock core, its structure includes matched key (1), inner core (2B), outer core (2A), pellet (3), fixed bar (6), effect ring (9) or actuating rod (23) parts, it is characterized in that the upper inner core (2B) of lock core (2) is the structure can not rotated mutually with outer core (2A), lock core (2) is equipped with the mechanism of for it opening, closing supporting with several pellets (3).

2. a kind of mechanical type anti-theft lock core according to claim 1, is characterized in that the structure that inner core (2B) and outer core (2A) can not rotate mutually adopts several fixed bars (6) to be connected inner core (2B) and outer core (2A).

3. a kind of mechanical type anti-theft lock core according to claim 1, it is characterized in that being equipped with on lock core (2) supportingly with several pellets (3) to open for it, the mechanism that closes is that on matched key (1), the part inserted in lock core (2) is cylindrical structure, it is corresponding and supporting with pellet (3) position that this part cylindrical is provided with several fan-shaped V-type grooves (1S), and the cross section of the bottom surface (1D) of itself and pellet (3) end thereof contacts is circular arc; Lock core (2) built with one end of effect ring (9) be connected with driving lever (11) and side cavities (8) place is connected with two elastic rods (10) within it, one end of matched key (1) is provided with clip slot (1J), and this clip slot (1J) just can clamp two elastic rods (10) of effect ring (9) one end.

4. a kind of mechanical type anti-theft lock core according to claim 1, it is characterized in that being equipped with on lock core (2) supportingly with several pellets (3) to open for it, the mechanism that closes is that on matched key (1), the part inserted in lock core (2) is cylindrical structure, it is corresponding and supporting with pellet (3) position that this part cylindrical is provided with several fan-shaped V-type grooves (1S), and the cross section of the bottom surface (1D) of itself and pellet (3) end thereof contacts is circular arc; At its lock core (2) built with actuating rod (23) and the collar supporting with it (20), the collar (20) one end is connected with driving lever (11), be provided with a circle effect groove (22) at the collar (20) cavity (21) medial surface and be connected with two elastic rods (10), one end of matched key (1) is provided with clip slot (1J), and this clip slot (1J) just can clamp two elastic rods (10) that the collar (20) is connected with; Actuating rod one end is connected with nose bar (24), and this nose bar (24) extend in effect groove (22), and the expansion of whole circle effect groove (22) has one section in " < " shape, and all the other are flat section " one " font.

5. a kind of mechanical type anti-theft lock core according to claim 1, it is characterized in that being equipped with on lock core (2) and open for it with several pellets (3) are supporting, the mechanism closed be lock core (2) built with one end of effect ring (9) extend on lockhole mouth side, and on this end side surface edge, be provided with two little hole slots (9K), the other end is connected with driving lever (11), on matched key (1) turning handle (1E), be provided with two salient points (1F) simultaneously, this salient point (1F) is corresponding with little hole slot (9K) position that is provided with of effect ring (9) one end side and can extend in this little hole slot (9K) when matched key (1) inserts completely, rotating shaft (1G) is provided with in the upper one end by turning handle (1E) of matched key (1), on turning handle (1E), be provided with the supporting Kong Bingyu rotating shaft (1G) of rotating shaft therewith (1G) be simultaneously assembled into one, turning handle (1E) can (1G) rotate around the shaft.