CN102635324B

CN102635324B - Hole-controlled idling antitheft lock of back room and key

Info

Publication number: CN102635324B
Application number: CN201210090107.0A
Authority: CN
Inventors: 黄江平
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-06
Filing date: 2012-03-30
Publication date: 2015-04-22
Anticipated expiration: 2032-03-30
Also published as: CN202673218U; CN102635324A

Abstract

The invention discloses a hole-controlled idling antitheft lock of a back room and a key. The lock consists of an actuating plate, a key carrier, an actuating strip, an annular pin and the like, a lock cylinder is not exposed, the key carrier can idle around the lock cylinder, the key only can meet the pin after rotating to a completely closed or relatively closed position, the movement position of the pin is controlled by the size of a hole of the key, so that a non-matched key cannot unlock the lock, and the lock has ultra-high ability of resisting violent unlocking and technical unlocking. As the lock cylinder is not exposed, the key carrier can idle, the key only can meet the pin under the closed condition, and the movement position of the pin is determined by the size of the hole on the key, the key can be processed to be quite thin, the space of a key inlet space can be processed into quite small, an unlocking tool such as a non-matched key cannot be inserted into the key inlet space or inserted into the key inlet space difficultly, and the lock has the ultra-high ability of resisting violent unlocking and technical unlocking.

Description

Secret key hole control idle running anti-theft lock and key

Technical field

The present invention relates to a kind of lockset and key, especially a kind of key just controls with the size in pellet meeting merga pass hole on the key theftproof lock and the key that pellet moves up and down the idle running of position in airtight space.

Background technology

Usual cylinder lock locks lock core by pellet and rotates, and each pellet in lock is by several compositions.Keyhole on lock core and pellet expose, and the position of pellet movement is determined by the depth of tooth on the key, and when unblanking, the contact surface between two pellets overlaps with the contact surface of lock core and lock body, and lock core is rotatable relative to lock body; During locking, the contact surface between two pellets and the contact surface of lock core and lock body stagger, and due to the barrier effect of pellet, lock core is not rotatable.

This problem be latched in is: due to mismachining tolerance, each pellet can not block lock body simultaneously, keyhole simultaneously on lock core and pellet be expose and keyhole is larger, criminal is easy to one by one pellet be pushed aside with instrument, or with the instrument such as master key, Unlocking gun, lock is opened, the instrument that also usable intensity is enough large twists lock core by force after inserting lock core and unblanks with brute force.

Summary of the invention

The object of this invention is to provide a kind of lock core that adopts not expose, carrying key shank can around Lock cylinder idling, only have and just join with pellet to completely airtight or relatively airtight position when key rotates, and the structure of pellet shift position is controlled by the size in the hole of key, non-matching key cannot be unblanked, there is superpower defence brute force unblank and the tapered end of skilled unlocking, carrying key shank because lock core does not expose is idle running, and key is just joined with pellet under the situation closed, simultaneously, the position of pellet movement is determined by the size in hole on the key, therefore key can be processed into very thin thickness, the space entering keyhole is also just processed into very little, the unlocking tool of non-matching key cannot be inserted or be difficult to insert, have that superpower defence is powerful to be unblanked and effect of skilled unlocking.

The technical scheme realizing the object of the invention is:

The first structure of theftproof lock of the present invention, comprises lock core, pellet, cover plate and lock body, and lock core is provided with the first pin and pin-and-hole, is also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Perform plate, performing plate is arranged on the 5th eccentric grove, the both sides performing the one end in first hole of plate on lock core are equipped with the 4th boss, 4th boss is exposed at outside lock core, pellet comprises circular pellet and square pellet, pellet is arranged on pin-and-hole and performs in the cotter way of plate, and be provided with first spring and a circular pellet or square pellet in each pin-and-hole, the key bit of answering of key bit, square pellet of answering of circular pellet is installed in the opposite direction of the 5th eccentric grove disalignment;

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, the first eccentric grove and the 4th eccentric grove coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core ,carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, and the first boss is provided with the 3rd groove;

Lock body is provided with into keyhole, lock core, to carry in endoporus that key shank is installed in lock body and to be enclosed in the endoporus of lock body by cover plate, the endoporus of lock body is provided with the second boss, second boss and the 3rd fit depressions carried in key shank, cover plate is bolted on lock body by second, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, to depart from the direction of lock body endoporus consistent with entering keyhole for the direction of the second eccentric grove and three eccentricity groove disalignment,

First pin is provided with the 4th spring, and the first pin is connected with the one end performing plate, and the other end performing plate is provided with the first removable pin, and the first removable pin is connected with the first bolt be fixed on lock core by the 3rd spring;

Pellet comprises circular pellet and square pellet, and circular pellet, square pellet are arranged on pin-and-hole and perform in the cotter way of plate, are provided with first spring and a circle or square pellet in each pin-and-hole.

The key opening the first structure theftproof lock comprises

Master key, master key is provided with hanging hole, the middle part of master key be provided with pellet answer key bit suitable answer keyhole;

Key bar, key bar is provided with hook and the 6th spring, is provided with key case outside key bar, is provided with the second removable pin, the 5th spring and the second pin in key case, and the second removable pin is sold by the 5th spring and second and is connected, and the second pin is fixed in key case;

Hook pierces in the hanging hole of master key, one of master key is fixed in hook on key bar and key case, 6th spring is opened outward and is withstood key case, one end of 6th spring is inserted in the endoporus of key case, one of master key is fixed in hook on key bar and key case under the effect of the 5th spring, in normality, the 6th spring withstands key case, and key bar and key case can not Relative sliding.

When this structure theftproof lock is in closure state, the restriction performing the end face of plate stand under load key shank, circular pellet and square pellet can not be moved, perform in the second eccentric grove and three eccentricity groove that the 4th boss on plate is enclosed in cover plate, thus limit the rotation of lock core, carrying key shank is enclosed within outside lock core free to rotate, when carry spoon groove go to the position of effectively joining with pellet or leave completely on lock body enter keyhole time, carry spoon groove namely by lock body and the second boss completely closed, any instrument can not be filled in and carry in spoon groove.

When carry spoon groove facing on lock body enter keyhole time, insert supporting master key, by in the 6th spring press-in key case hole, again key bar is pressed in lock body, hook on key bar is separated with key case, and then key bar is moved toward the 3rd groove carrying the first boss in key shank, namely master key is separated with key bar, now key bar is rotated 180o, circle on supporting master key answers keyhole and square keyhole and the corresponding pellet of answering to join, the displacement of locking pellet, make the second groove on circular pellet, the 4th groove on square pellet exists together in a plane with execution plate, the 6th boss performed on plate can be passed through the second groove on circular pellet and the 4th groove on square pellet slides, now perform the 4th boss of plate both sides under the effect of the 3rd spring, to eject the second eccentric grove on cover plate and three eccentricity groove and enter and carry the first eccentric grove in key shank and the 4th eccentric grove, rotated by key bar and carry key shank, carry key shank can unblank by performing plate rotational lock core again.

Rotate while carrying key shank and key bar is pressed in lock body, namely sell in the second eccentric grove on the 4th boss press-in cover plate performed on plate, three eccentricity groove by first, to carry key shank again and rotate 180o, then by the hook on key bar, master key can be extracted by the hanging hole pierced on master key.

Circular pellet is provided with the first false groove, square pellet is provided with the second false groove, the termination of the first eccentric grove and the 4th eccentric grove is provided with the second groove, when performing the 6th boss on plate and entering the first false groove, the second false groove, rotate and carry a key shank, perform plate and namely shifted onto completely in the second eccentric grove on cover plate and three eccentricity groove by the chamfering on the second groove and circular pellet and square pellet.

Perform plate in blocking, when the first eccentric grove carried in key shank do not aimed at by its both sides the 4th boss, during the 4th eccentric grove, 4th boss is limited in the second eccentric grove of cover plate by the end face carrying key shank, in three eccentricity groove, now the 6th boss performed on plate does not have thrust to the pellet on lock core, when performing the 4th boss on plate and the first eccentric grove carried in key shank, 4th eccentric grove at grade time, lock core there is the first false groove, the pellet of the second false groove does not have the first false groove with the fit clearance ratio performing plate, the pellet of the second false groove is little with the fit clearance performing plate, thus improve the function of anti-technology unlocking.

Under blocking, circular pellet answer key bit, square pellet answer the direction of key bit contrary with the direction entering keyhole, carry spoon groove to leave and could join with pellet into during keyhole, the material of the first pin is the anti-drilling material of the high rigidity such as carbide alloy, and the elastic force of the 4th spring on the first pin is less than the elastic force of the 3rd spring.

The shift position of this theftproof lock circular pellet and square pellet when unblanking answers keyhole and the square size of keyhole of answering to decide by circle on the key, in order to make the space of year spoon groove very little, answer keyhole place to process very thin, but in order to make the distance of pellet upper and lower displacement larger, the cone of having answered key bit to be designed to of answering key bit, square pellet of circular pellet, carrying the appearance pilot trench that spoon groove is provided with also is to allow the key bit of answering of key bit, square pellet of answering of circular pellet have enough displacement spaces.

The keyhole of answering on key bit and matched key of answering on pellet of the present invention and pellet all can adopt circle, square or other shapes.

The second structure of theftproof lock of the present invention is on the basis of the first structure, carries key shank cylindrical and sets up sleeve, carries in key shank and sets up half circle groove, the second spring, annular pellet, the first execution bar and the second execution bar.

The theftproof lock of this structure comprises lock core, pellet, sleeve, cover plate and lock body, and lock core is provided with the first pin and pin-and-hole, is also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Perform plate, performing version is arranged on the 5th eccentric grove, perform plate and be provided with the 6th groove and the position consistency of installing identical with the annular groove width that lock core is provided with, the both sides performing the one end in first hole of plate on lock core are equipped with the 4th boss, 4th boss is exposed at outside lock core, lock core is provided with the 4th groove and the 5th groove, pellet comprises circular pellet and square pellet, pellet is arranged on pin-and-hole and performs in the cotter way of plate, first spring and a circular pellet or square pellet is provided with in each pin-and-hole, circular pellet answer key bit, the key bit of answering of square pellet is installed in the opposite direction of the 5th eccentric grove disalignment,

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, the first eccentric grove and the 4th eccentric grove coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core ,carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, be provided with half circle groove in the cylindrical of year key shank, the both sides of year spoon groove, half circle groove and a year spoon groove communicate and pass the first eccentric grove, the 4th eccentric grove, and sleeve is arranged on and carries outside key shank;

First performs bar and second performs bar, first performs bar is arranged on the first eccentric grove, second execution article is arranged on the 4th eccentric grove, first execution article the 3rd boss be provided with and second performs article the 5th boss be provided with and all reaches in the annular groove of lock core, and the first sealing ring be located in annular groove and the second sealing ring is separated;

Lock body is provided with into keyhole, lock core, carry key shank, be enclosed in the endoporus of lock body by cover plate in the endoporus that sleeve is installed in lock body, the endoporus of lock body is provided with the second boss, second boss and the 3rd fit depressions carried in key shank, cover plate is bolted on lock body by second, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, to depart from the direction of lock body endoporus consistent with entering keyhole for the direction of the second eccentric grove and three eccentricity groove disalignment,

Pellet comprises circular pellet and square pellet, circular pellet, square pellet are arranged on pin-and-hole and perform in the cotter way of plate, first spring and a circle or square pellet is provided with in each pin-and-hole, annular pellet is arranged on half circle groove and first and performs on the half slot of bar, the second execution bar, one of annular pellet is carrying in spoon groove, and the second spring is equipped with in other end.

The key opening the second structure theftproof lock comprises

Master key, master key is provided with hanging hole, the middle part of described master key be provided with pellet answer key bit suitable answer keyhole, both sides are provided with suitablely with annular pellet answers key bit;

When theftproof lock is in closure state, first performs bar, second performs bar can not move by the restriction of annular pellet and execution plate, perform plate and perform bar by first, second performs bar, carry the end face of key shank, the restriction of circular pellet and square pellet can not be moved, perform in the second eccentric grove and three eccentricity groove that the 4th boss on plate is enclosed in cover plate, thus limit the rotation of lock core, carrying key shank is enclosed within outside lock core free to rotate, when carry spoon groove go to the position of effectively joining with all pellets or leave completely on lock body enter keyhole time, carry spoon groove namely by lock body and the second boss completely closed, any instrument can not be filled in and carry in spoon groove.

When carry spoon groove facing on lock body enter keyhole time, insert supporting master key, by in the 6th spring press-in key case hole, again key bar is pressed in lock body, hook on key bar is separated with key case, and then key bar is moved toward the 3rd groove carrying the first boss in key shank, namely master key is separated with key bar, now key bar is rotated 180o, supporting master key answers key bit, circle answers keyhole and square keyhole and the corresponding pellet of answering to join, the displacement of locking pellet, make the first groove on annular pellet and the second groove on circular pellet, the 4th groove on square pellet exists together in a plane with execution plate, now perform article on the 7th boss can slide in the first groove on annular pellet, the 6th boss performed on plate can be passed through the second groove on circular pellet and the 4th groove on square pellet slides, now perform the 4th boss of plate both sides under the effect of the 3rd spring, to eject the second eccentric grove on cover plate and three eccentricity groove and enter and carry the first eccentric grove in key shank and the 4th eccentric grove, the 5th boss that first the 3rd boss and second to perform article performs article is performed plate and advances the 4th groove on lock core, 5th groove, rotated by key bar and carry key shank, carry key shank can unblank by performing plate rotational lock core again.

Perform plate in blocking, when the first eccentric grove carried in key shank do not aimed at by its both sides the 4th boss, during the 4th eccentric grove, 4th boss is limited in the second eccentric grove of cover plate by the end face carrying key shank, in three eccentricity groove, now the 6th boss performed on plate does not have thrust to the pellet on lock core, also bar is not performed to the first execution bar and second and have thrust, when performing the 4th boss on plate and the first eccentric grove carried in key shank, 4th eccentric grove at grade time, the annular pellet and first carried in key shank performs bar, the fit clearance of the second execution bar is less with the fit clearance performing plate than the pellet on lock core, lock core there is the first false groove simultaneously, the pellet of the second false groove does not have the first false groove with the fit clearance ratio performing plate, the pellet of the second false groove is little with the fit clearance performing plate, thus improve the function of anti-technology unlocking.

The third structure of theftproof lock of the present invention establishes to carry spoon groove when going to the position of effectively joining with all pellets or leave completely into keyhole on the basis of the first structure, carry spoon groove to be blocked by lock body and the first pin, from entering keyhole to carrying the space that spoon groove is zigzag.

The theftproof lock of this structure comprises lock core, pellet, cover plate and lock body, and lock core is provided with the first pin and pin-and-hole, is also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Perform plate, performing version is arranged on the 5th eccentric grove, the both sides performing the one end in first hole of plate on lock core are equipped with the 4th boss, 4th boss is exposed at outside lock core, pellet comprises circular pellet and square pellet, pellet is arranged on pin-and-hole and performs in the cotter way of plate, and be provided with first spring and a circular pellet or square pellet in each pin-and-hole, the key bit of answering of key bit, square pellet of answering of circular pellet is installed in the opposite direction of the 5th eccentric grove disalignment;

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, the first eccentric grove and the 4th eccentric grove coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core ,carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, carry in key shank and be provided with the first groove be connected with year spoon groove near the termination entering keyhole;

Lock body is provided with into keyhole, lock core, carry in endoporus that key shank is installed in lock body and be enclosed in the endoporus of lock body by cover plate, cover plate is bolted on lock body by second, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, and to depart from the direction of lock body endoporus consistent with entering keyhole for the direction of the second eccentric grove and three eccentricity groove disalignment;

The key opening the third structure theftproof lock comprises key bar, master key and cuphead pilotage, key bar and master key are connected as a single entity, key bar is cylindrical, tail end is provided with the second hole and cuphead pilotage is equipped with, the axle center that the axle center of key bar and the distance of master key equal to carry key shank endoporus with carry the distance of spoon groove, the middle part of master key is provided with to answer keyhole and squarely answers keyhole with the circle of answering key bit suitable of pellet.

By matched key from lock body enter keyhole insert carry spoon groove time key bar and the junction of master key sink in the first groove, key bar is rotated 180o, and master key and all pellets are joined and can be unblanked.

Rotate after unblanking carry key shank simultaneously by cuphead pilotage toward pressure in lock, the 4th boss performed on plate is pressed in the second eccentric grove, three eccentricity groove, then key bar is rotated 180o and key can be extracted.

By carry spoon groove go to the position of effectively joining with all pellets or leave completely on lock body enter keyhole time, carry spoon groove to be blocked by lock body and the first pin, now from entering keyhole to carrying the space that spoon groove is zigzag, when the size connecting key bar and master key place is thinner, the first groove carried in key shank is more shallow, enters the space of carrying spoon groove thus less.

4th kind of structure theftproof lock of theftproof lock of the present invention is on the basis of the third structure theftproof lock, carries key shank cylindrical and sets up sleeve, carries in key shank and sets up half circle groove, the second spring, annular pellet and the first execution bar, the second execution bar.

The theftproof lock of the 4th kind of structure, comprises lock core, pellet, sleeve, cover plate and lock body, and lock core is provided with the first pin and pin-and-hole, is also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Perform plate, performing plate is arranged on the 5th eccentric grove, perform plate and be provided with the 6th groove and the position consistency of installing identical with the annular groove width that lock core is provided with, the both sides performing the one end in first hole of plate on lock core are equipped with the 4th boss, 4th boss is exposed at outside lock core, lock core is provided with the 4th groove and the 5th groove, pellet comprises circular pellet and square pellet, pellet is arranged on pin-and-hole and performs in the cotter way of plate, first spring and a circular pellet or square pellet is provided with in each pin-and-hole, circular pellet answer key bit, the key bit of answering of square pellet is installed in the opposite direction of the 5th eccentric grove disalignment,

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, the first eccentric grove and the 4th eccentric grove coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core ,carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, half circle groove is provided with in the cylindrical of year key shank, the both sides of year spoon groove, half circle groove and a year spoon groove communicate and pass the first eccentric grove, the 4th eccentric grove, sleeve is arranged on and carries outside key shank, carry in key shank near the termination entering keyhole with carry a spoon groove and be connected and be provided with the first groove;

Pellet comprises circular pellet and square pellet, circular pellet, square pellet are arranged on pin-and-hole and perform in the cotter way of plate, first spring and a circle or square pellet is provided with in each pin-and-hole, annular pellet is arranged on half circle groove and first and performs on the half slot of bar, the second execution bar, one of annular pellet is located in year spoon groove, and other end is connected with the second spring.

The matched key opening the 4th kind of structure theftproof lock comprises key bar, master key and cuphead pilotage, key bar and master key are connected as a single entity, key bar is cylindrical, tail end is provided with the second hole and cuphead pilotage is equipped with, the axle center of key bar and the distance of master key equal to carry the axle center of key shank endoporus and the distance of carrying spoon groove, the middle part of master key is provided with to answer keyhole and squarely answers keyhole with the circle of answering key bit suitable of pellet, the both sides of master key are provided with suitablely with annular pellet answers key bit.

Advantage of the present invention is:

1, the pellet on lock core and lock core does not expose, and also not exclusively exposes with a key shank of carrying of carrying spoon groove.Carrying key shank can around Lock cylinder idling in the state of locking, and the outside of lock body only has into keyhole, so want that the way by turning on by force lock unblanks to be impossible simultaneously.

2, the spoon groove that carries carried in key shank is just joined with the pellet on lock core when completely airtight or relatively airtight, and the annular pellet carried in key shank is also in this case just by the thrust performing bar, therefore want that it is impossible for pulling out lane pellet to reach the object of technology unlocking with the unlocking tool of non-matching key by a year spoon groove, or very difficult.

3, the pellet shift position on lock core is by answering the size of keyhole on the key to determine, the thickness of key can be processed into very thin, and the degree of depth of carrying spoon groove is also just very shallow, even if the unlocking tool therefore carrying non-matching key when spoon groove exposes also is difficult to insert.

Accompanying drawing explanation

Fig. 1 is the sectional structure schematic diagram that embodiment 1 is inserted matched key and unblanked;

Fig. 2 is Y-Y line of vision cross-sectional schematic in Fig. 1;

Fig. 3 is the sectional structure schematic diagram that embodiment 1 is inserted matched key and not yet unblanked;

Fig. 4 is the schematic front view of matched key in embodiment 1;

Fig. 5 is R-R line of vision cross-sectional schematic in Fig. 4;

Fig. 6 is the schematic top plan view of Fig. 4;

Fig. 7 is N-N line of vision cross-sectional schematic in Fig. 6;

Fig. 8 is the sectional structure schematic diagram that embodiment 2 is inserted matched key and not yet unblanked;

Fig. 9 is B-B line of vision cross-sectional schematic in Fig. 8 and Figure 36;

Figure 10 is H-H line of vision cross-sectional schematic in Fig. 8;

Figure 11 is A-A line of vision cross-sectional schematic in Fig. 8 and Fig. 1;

Figure 12 is the sectional structure schematic diagram that embodiment 2 is inserted matched key and unblanked;

Figure 13 is J-J line of vision cross-sectional schematic in Figure 12;

Figure 14 is the schematic front view of circular pellet;

Figure 15 is the schematic front view of carrying key shank in embodiment 2;

Figure 16 is X line of vision schematic diagram in Figure 15;

Figure 17 is S line of vision schematic diagram in Figure 15 and Figure 42;

Figure 18 is the schematic front view of lock core in embodiment 2 and embodiment 4;

Figure 19 is K-K line of vision generalized section in Figure 18;

Figure 20 is W-W line of vision cross-sectional schematic in Figure 18;

Figure 21 is the schematic front view performing plate in embodiment 2 and embodiment 4;

Figure 22 is the schematic front view of square pellet;

Figure 23 is the M line of vision schematic diagram of Figure 22;

Figure 24 is the first schematic front view performing bar in embodiment 2 and embodiment 4;

Figure 25 is the schematic front view of matched key in embodiment 2;

Figure 26 is G-G line of vision cross-sectional schematic in Figure 25;

Figure 27 is the schematic top plan view of Figure 25;

Figure 28 is V-V line of vision cross-sectional schematic in Figure 27;

Figure 29 is the sectional structure schematic diagram that embodiment 3 is inserted matched key and unblanked;

Figure 30 is I-I line of vision cross-sectional schematic in Figure 29;

Figure 31 is P-P line of vision cross-sectional schematic in Figure 29;

Figure 32 is the sectional structure schematic diagram that embodiment 3 is inserted matched key and not yet unblanked;

Figure 33 is the schematic front view of matched key in embodiment 3;

Figure 34 is the schematic top plan view of Figure 33;

Figure 35 is U-U line of vision cross-sectional schematic in Figure 34;

Figure 36 is the sectional structure schematic diagram that embodiment 4 is inserted matched key and not yet unblanked;

Figure 37 is C-C line of vision cross-sectional schematic in Figure 32 and Figure 36;

Figure 38 is the sectional structure schematic diagram that figure embodiment 4 is inserted matched key and unblanked;

Figure 39 is E-E line of vision cross-sectional schematic in Figure 38;

Figure 40 is Q-Q line of vision cross-sectional schematic in Figure 38;

Figure 41 is D-D line of vision cross-sectional schematic in Figure 36;

Figure 42 is the schematic front view of second year key shank in embodiment 4;

Figure 43 is T line of vision schematic diagram in Figure 42;

Figure 44 is the schematic front view of matched key in embodiment 4;

Figure 45 is the schematic top plan view of Figure 44;

Figure 46 is F-F line of vision cross-sectional schematic in Figure 45.

Diagram, 1. The first convex table 2. The second convex platform (3) the first ring 4. Sleeve 5. 6. The first spring lock 7. The second spring 8. Circular billiard 9. The first tank 10. The first article execute 11. The second article performed 12. Circular billiard 13. 14. The main key RongZi slot 15. The second seal 16. Lock body 17. 18. The first pin load 19 key body. The third convex platform, the first eccentric groove 21. The second eccentric groove 22. The fourth 23. The convex pin 24. The first activity into the keyhole 25. The first bolt 26. The third spring 27. The third eccentric groove 28. The second bolt 29 eccentric groove 30. 4 5 convex 31. The fourth spring 32. Hang hole 33. Circular billiard spoon head should be 34. The cover plate 35 square billiard 36. The key rod 37. Executive board 38. 39. The first hole round head pin 40. The key is 41. The fifth eccentric groove 42. Should be key tooth 43. The circular keyhole should be 44. The keyhole square should be 45, 46 second hole. The activity of the second pin 47. 5 spring 48. The second pin 49. The hook 50. The key set of 51. The sixth spring 52. The first groove 53. The second groove. 54 years key slot 55, half ring groove 56. 57. The second slot first false slot 58. The third groove 59. The third groove 60 fourth groove 61. The ring groove 62 v groove 63. Blind hole 64. Pin hole 65. Groove 66. 6 pin groove 67. Convex platform 68. 6 square marbles should be key head 69. The fourth slot 70. The second false slot 71. Semicircle groove 72. 7 convex platform.

Detailed description of the invention

Below in conjunction with drawings and Examples, content of the present invention is further elaborated, but is not limitation of the invention.

embodiment 1:

As shown in Fig. 1-Fig. 7, Figure 11, Figure 14, Figure 22, Figure 23, the first structure of theftproof lock of the present invention, comprise lock core 6, pellet, cover plate 34 and lock body 16, lock core 6 is provided with the first pin 17 and pin-and-hole 64, also be provided with five eccentric grove 41 perpendicular with pin-and-hole 64, first pin 17 is arranged in the blind hole 63 of lock core 6, and this theftproof lock also comprises

Perform plate 37, performing version 37 is arranged on the 5th eccentric grove 41, the both sides performing the one end in first hole 38 of plate 37 on lock core 6 are equipped with the 4th boss 22,4th boss 22 is exposed at outside lock core 6, pellet comprises circular pellet 8 and square pellet 35, pellet is arranged on pin-and-hole 64 and performs the cotter way 66 li of plate 37, be provided with first spring 5 and a circular pellet 8 or square pellet 35 in each pin-and-hole 64, the key bit 68 of answering of key bit 33, square pellet of answering of circular pellet is installed in the opposite direction of the 5th eccentric grove 41 disalignment;

Carry key shank 18, lock core 6 is arranged in the endoporus of year key shank 18, carry in key shank 18 endoporus and be provided with the first eccentric grove 20 and the 4th eccentric grove 29, first eccentric grove 20 and the 4th eccentric grove 29 coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove 41 disalignment on lock core 6 ,carry key shank 18 endoporus on be also provided with carry a spoon groove 54, carry spoon groove 54 and run through whole year key shank 18, carry spoon groove 54 and be provided with appearance pilot trench 14, carry the other direction that spoon groove 54 is located at the first eccentric grove 20 and the 4th eccentric grove 29 disalignment, carry one end of key shank 18 and be provided with the 3rd groove 58 and the first boss 1, first boss 1 is provided with the 3rd groove 59;

Lock body 16 is provided with into keyhole 24, lock core 6, to carry in endoporus that key shank 18 is installed in lock body 16 and to be enclosed in by cover plate 34 in the endoporus of lock body 16, the endoporus of lock body 16 is provided with the second boss 2, second boss 2 matches with the 3rd groove 58 carried in key shank 18, cover plate 34 is fixed on lock body 16 by the second bolt 28, cover plate 34 is provided with the second eccentric grove 21 and three eccentricity groove 27 at grade, second eccentric grove 21 is identical with the distance of the 5th eccentric grove 41 disalignment on lock core 6 with the distance of three eccentricity groove 27 disalignment, during installation, to depart from the direction of lock body 16 endoporus consistent with entering keyhole 24 direction of the second eccentric grove 21 and three eccentricity groove 27 disalignment,

First pin 17 is provided with the 4th spring 31, first pin 17 and is connected with the one end performing plate 37, and the other end performing plate is provided with the first removable pin 23, first removable pin 23 and is connected with the first bolt 25 be fixed on lock core 6 by the 3rd spring 26;

Pellet comprises circular pellet and square pellet, and circular pellet 8, square pellet 35 are arranged on pin-and-hole 64 and perform the cotter way 66 li of plate 37, is provided with first spring 5 and a circle or square pellet in each pin-and-hole 64.

As Figure 4-Figure 7, the key opening the present embodiment theftproof lock comprises

Master key 13, master key 13 is provided with hanging hole 32, the middle part of master key 13 be provided with pellet answer key bit suitable answer keyhole;

Key bar 36, key bar 36 is provided with hook 49 and the 6th spring 51, is provided with key case 50 outside key bar 36, is provided with the second removable pin 46, the 5th spring 47 and the second pin 48 in key case 50, second removable pin 46 is connected with the second pin 48 by the 5th spring 47, and the second pin 48 is fixed in key case 50;

Hook 49 pierces in the hanging hole 32 of master key 13, and of master key 13 is fixed in hook 49 on key bar 36 and key case 50, and the 6th spring 51 is opened outward and withstood key case 50, and one end of the 6th spring 51 can be inserted in the endoporus of key case 50; When not using key, the 6th spring 51 withstands key case 50, and key bar 36 and key case 50 can not Relative sliding.

As shown in Figure 3, when theftproof lock is in closure state, perform the end face of plate 37 stand under load key shank 18, the restriction of circular pellet 8 and square pellet 35 can not be moved, the 4th boss 22 performed on plate 37 is enclosed in the second eccentric grove 21 and the three eccentricity groove 27 li of cover plate 34, thus limit the rotation of lock core 6, carrying key shank 18 is enclosed within outside lock core 6 free to rotate, when carry spoon groove 54 go to the position of effectively joining with pellet or leave completely on lock body 16 enter keyhole 24 time, carry spoon groove 54 namely by lock body 16 and the second boss 2 completely closed, any instrument can not be filled in and carry in spoon groove 54.

When carry spoon groove 54 facing on lock body 16 enter keyhole 24 time, insert supporting master key 13, 6th spring 51 is pressed in key case 50 hole, again key bar 36 is pressed in lock body 16, hook 49 on key bar 36 is separated with key case 50, and then key bar 36 is moved toward the 3rd groove 59 carrying the first boss 1 in key shank 18, namely master key 13 is separated with key bar 36, now key bar 36 is rotated 180o, as Fig. 1, shown in Fig. 2, circle on supporting master key 13 answers keyhole 43 and square keyhole 44 and the corresponding pellet of answering to join, the displacement of locking pellet, make the second groove 56 on circular pellet 8, the 4th groove 69 on square pellet 35 exists together in a plane with execution plate 37, the 6th boss 67 performed on plate 37 can be passed through the second groove 56 on circular pellet 8 and the 4th groove 69 on square pellet 35 slides, now perform the 4th boss 22 of plate 37 both sides under the effect of the 3rd spring 26, to eject the second eccentric grove 21 on cover plate 34 and three eccentricity groove 27 and enter and carry the first eccentric grove 20 in key shank 18 and the 4th eccentric grove 29, rotated by key bar 36 and carry key shank 18, carry key shank 18 can unblank by performing plate 37 rotational lock core 6 again.

Rotate while carrying key shank 18 and key bar 36 is pressed in lock body 16, namely by the first pin 17 the 4th boss 22 performed on plate 37 is pressed in the second eccentric grove 21 on cover plate 34, three eccentricity groove 27, to carry key shank 18 again and rotate 180o, then by the hook 49 on key bar 36, master key 13 can be extracted by the hanging hole 32 pierced on master key 13.

Circular pellet 8 is provided with the first false groove 57, square pellet 35 is provided with the second false groove 70, the termination of the first eccentric grove 20 and the 4th eccentric grove 29 is provided with the second groove 53, when performing the 6th boss 67 on plate 37 and entering the first false groove 57, the second false groove 70, rotate and carry a key shank 18, perform plate 37 and namely shifted onto the second eccentric grove 21 on cover plate 34 and three eccentricity groove 27 li completely by the chamfering on the second groove 53 and circular pellet 8 and square pellet 35.

Perform plate 37 in blocking, when the first eccentric grove 20 carried in key shank 18 do not aimed at by its both sides the 4th boss 22, during the 4th eccentric grove 29, 4th boss 22 is limited in the second eccentric grove 21 of cover plate 34 by the end face carrying key shank 18, three eccentricity groove 27 li, now the 6th boss 67 performed on plate 37 does not have thrust to the pellet on lock core 6, when the 4th boss 22 performed on plate 37 and the first eccentric grove 20 carried in key shank 18, 4th eccentric grove 29 at grade time, lock core 6 there is the first false groove 57, the pellet of the second false groove 70 does not have the first false groove 57 with the fit clearance ratio performing plate 37, the pellet of the second false groove 70 is little with the fit clearance performing plate 37, thus improve the function of anti-technology unlocking.

Under blocking, circular pellet answer key bit 33, square pellet answer the direction of key bit 68 contrary with the direction entering keyhole 24, carry spoon groove 54 to leave and could join with pellet into during keyhole 24, the material of the first pin 17 is the anti-drilling material of the high rigidity such as carbide alloy, and the elastic force of the 4th spring 31 on the first pin 17 is less than the elastic force of the 3rd spring 26.

The shift position of this theftproof lock circular pellet 8 and square pellet 35 when unblanking answers keyhole 43 and the square size of keyhole 44 of answering to decide by circle on the key, in order to make the space of year spoon groove 54 very little, answer keyhole place to process very thin, but in order to make the distance of pellet upper and lower displacement larger, the key bit 68 of answering of key bit 33, square pellet of answering of circular pellet has been designed to cone, and the appearance pilot trench 14 that year spoon groove 54 is provided with also is to allow the key bit 68 of answering of key bit 33, square pellet of answering of circular pellet have enough displacement spaces.

embodiment 2:

With reference to Fig. 8-Figure 28, the second structure of theftproof lock of the present invention is on the basis of embodiment 1, carries key shank 18 cylindrical and sets up sleeve 4, carries in key shank 18 and sets up half circle groove 55, second spring 7, annular pellet 12, first execution bar 10 and the second execution bar 11.

The present embodiment, comprises lock core 6, pellet, sleeve 4, cover plate 34 and lock body 16, and lock core 6 is provided with the first pin 17 and pin-and-hole 64, and be also provided with five eccentric grove 41, first pin 17 perpendicular with pin-and-hole 64 and be arranged in the blind hole 63 of lock core 6, this theftproof lock also comprises

Perform plate 37, performing version 37 is arranged on the 5th eccentric grove 41, perform plate 37 and be provided with the 6th the groove 65 and position consistency of installing identical with annular groove 61 width that lock core 6 is provided with, the both sides performing the one end in first hole 38 of plate 37 on lock core 6 are equipped with the 4th boss 22, 4th boss 22 is exposed at outside lock core 6, lock core 6 is provided with the 4th groove 60 and the 5th groove 62, pellet comprises circular pellet 8 and square pellet 35, pellet is arranged on pin-and-hole 64 and performs the cotter way 66 li of plate 37, first spring 5 and a circular pellet 8 or square pellet 35 is provided with in each pin-and-hole 64, circular pellet answer key bit 33, the key bit 68 of answering of square pellet is installed in the opposite direction of the 5th eccentric grove 41 disalignment,

Carry key shank 18, lock core 6 is arranged in the endoporus of year key shank 18, carry in key shank 18 endoporus and be provided with the first eccentric grove 20 and the 4th eccentric grove 29, first eccentric grove 20 and the 4th eccentric grove 29 coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove 41 disalignment on lock core 6 ,carry key shank 18 endoporus on be also provided with carry a spoon groove 54, carry spoon groove 54 and run through whole year key shank 18, carry spoon groove 54 and be provided with appearance pilot trench 14, carry the other direction that spoon groove 54 is located at the first eccentric grove 20 and the 4th eccentric grove 29 disalignment, the one end of carrying key shank 18 is provided with the 3rd groove 58 and the first boss 1, and boss 1 is provided with the 3rd groove 59; Be provided with half circle groove 55 in the cylindrical of year key shank 18, the both sides of year spoon groove 54, half circle groove 55 and a year spoon groove 54 communicate and pass the first eccentric grove 20, the 4th eccentric grove 29, and sleeve 4 is arranged on and carries outside key shank 18;

First performs bar 10 and second performs bar 11, first performs bar 10 is arranged on the first eccentric grove 20, second performs articles 11 is arranged on the 4th eccentric grove 29, first performs article 10 the 3rd boss 19 and second be provided with performs the annular groove 61 li that article 11 the 5th boss 30 be provided with all reach lock core 6, and the first sealing ring 3 and the second sealing ring 15 that are located at annular groove 61 li is separated;

Lock body 16 is provided with into keyhole 24, lock core 6, carry key shank 18, be enclosed in the endoporus of lock body 16 by cover plate 34 in the endoporus that sleeve 4 is installed in lock body 16, the endoporus of lock body 16 is provided with the second boss 2, second boss 2 matches with the 3rd groove 58 carried in key shank 18, cover plate 34 is fixed on lock body 16 by the second bolt 28, cover plate 34 is provided with the second eccentric grove 21 and three eccentricity groove 27 at grade, second eccentric grove 21 is identical with the distance of the 5th eccentric grove 41 disalignment on lock core 6 with the distance of three eccentricity groove 27 disalignment, during installation, to depart from the direction of lock body 16 endoporus consistent with entering keyhole 24 direction of the second eccentric grove 21 and three eccentricity groove 27 disalignment,

Pellet comprises circular pellet and square pellet, circular pellet 8, square pellet 35 are arranged on pin-and-hole 64 and perform the cotter way 66 li of plate 37, first spring 5 and a circle or square pellet is provided with in each pin-and-hole 64, annular pellet 12 is arranged on half circle groove 55 and first and performs on the half slot 71 of bar 10, second execution bar 11, one of annular pellet 12 is carrying in spoon groove 54, and the second spring 7 is equipped with in other end.

As shown in Figure 25-Figure 28, the key opening the present embodiment theftproof lock comprises

Master key 13, master key 13 is provided with hanging hole 32, the middle part of master key 13 be provided with pellet answer key bit suitable answer keyhole, both sides are provided with suitablely with annular pellet 12 answers key bit 42;

As shown in figures s-11, when theftproof lock is in closure state, first performs bar 10, second performs bar 11 can not move by the restriction of annular pellet 12 and execution plate 37, perform plate 37 and perform bar 10 by first, second performs bar 11, carry the end face of key shank 18, the restriction of circular pellet 8 and square pellet 35 can not be moved, the 4th boss 22 performed on plate 37 is enclosed in the second eccentric grove 21 and the three eccentricity groove 27 li of cover plate 34, thus limit the rotation of lock core 6, carrying key shank 18 is enclosed within outside lock core 6 free to rotate, when carry spoon groove 54 go to the position of effectively joining with all pellets or leave completely on lock body 16 enter keyhole 24 time, carry spoon groove 54 namely by lock body 16 and the second boss 2 completely closed, any instrument can not be filled in and carry in spoon groove 54.

When carry spoon groove 54 facing on lock body 16 enter keyhole 24 time, insert supporting master key 13, 6th spring 51 is pressed in key case 50 hole, again key bar 36 is pressed in lock body 16, hook 49 on key bar 36 is separated with key case 50, and then key bar 36 is moved toward the 3rd groove 59 carrying the first boss 1 in key shank 18, namely master key 13 is separated with key bar 36, now key bar 36 is rotated 180o, as Figure 12, shown in Figure 13, supporting master key 13 answers key bit 42, circle answers keyhole 43 and square keyhole 44 and the corresponding pellet of answering to join, the displacement of locking pellet, make the first groove 9 on annular pellet 12 and the second groove 56 on circular pellet 8, the 4th groove 69 on square pellet 35 exists together in a plane with execution plate 37, the 7th boss 72 now to perform article can slip in the first groove 9 on annular pellet 12, the 6th boss 67 performed on plate 37 can be passed through the second groove 56 on circular pellet 8 and the 4th groove 69 on square pellet 35 slides, now perform the 4th boss 22 of plate 37 both sides under the effect of the 3rd spring 26, to eject the second eccentric grove 21 on cover plate 34 and three eccentricity groove 27 and enter and carry the first eccentric grove 20 in key shank 18 and the 4th eccentric grove 29, first the 3rd boss 19 and second performed on articles 10 the 5th boss 30 performed on articles 11 is performed plate 37 and advances the 4th groove 60 on lock core 6, 5th groove 62, rotated by key bar 36 and carry key shank 18, carry key shank 18 can unblank by performing plate 37 rotational lock core 6 again.

Perform plate 37 in blocking, when the first eccentric grove 20 carried in key shank 18 do not aimed at by its both sides the 4th boss 22, during the 4th eccentric grove 29, 4th boss 22 is limited in the second eccentric grove 21 of cover plate 34 by the end face carrying key shank 18, three eccentricity groove 27 li, now the 6th boss 67 performed on plate 37 does not have thrust to the pellet on lock core 6, also thrust is not had to the first execution bar 10 and the second execution bar 11, when the 4th boss 22 performed on plate 37 and the first eccentric grove 20 carried in key shank 18, 4th eccentric grove 29 at grade time, the annular pellet 12 and first carried in key shank 18 performs bar 10, the fit clearance of the second execution bar 11 is less with the fit clearance performing plate 37 than the pellet on lock core 6, lock core 6 there is the first false groove 57 simultaneously, the pellet of the second false groove 70 does not have the first false groove 57 with the fit clearance ratio performing plate 37, the pellet of the second false groove 70 is little with the fit clearance performing plate 37, thus improve the function of anti-technology unlocking.

embodiment 3:

As shown in Figure 14, Figure 22, Figure 23, Figure 29-Figure 35, Figure 37, the third structure of theftproof lock of the present invention establishes to carry spoon groove 54 when going to the position of effectively joining with all pellets or leave into keyhole 24 completely on the basis of embodiment 1, carry spoon groove 54 to be blocked by lock body 16 and the first pin 17, from entering keyhole 24 to carrying the space of spoon groove 54 in zigzag.

The theftproof lock of the present embodiment comprises lock core 6, pellet, cover plate 34 and lock body 16, and lock core 6 is provided with the first pin 17 and pin-and-hole 64, and be also provided with five eccentric grove 41, first pin 17 perpendicular with pin-and-hole 64 and be arranged in the blind hole 63 of lock core 6, this theftproof lock also comprises

Carry key shank 18, lock core 6 is arranged in the endoporus of year key shank 18, carry in key shank 18 endoporus and be provided with the first eccentric grove 20 and the 4th eccentric grove 29, first eccentric grove 20 and the 4th eccentric grove 29 coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove 41 disalignment on lock core 6 ,carry key shank 18 endoporus on be also provided with carry a spoon groove 54, carry spoon groove 54 and run through whole year key shank 18, carry spoon groove 54 and be provided with appearance pilot trench 14, carry the other direction that spoon groove 54 is located at the first eccentric grove 20 and the 4th eccentric grove 29 disalignment, carry in key shank 18 and be provided with the first groove 52 be connected with year spoon groove 54 near the termination entering keyhole 24;

Lock body 16 is provided with into keyhole 24, lock core 6, carry in endoporus that key shank 18 is installed in lock body 16 and be enclosed in by cover plate 34 in the endoporus of lock body 16, cover plate 34 is fixed on lock body 16 by the second bolt 28, cover plate 34 is provided with the second eccentric grove 21 and three eccentricity groove 27 at grade, second eccentric grove 21 is identical with the distance of the 5th eccentric grove 41 disalignment on lock core 6 with the distance of three eccentricity groove 27 disalignment, and during installation, to depart from the direction of lock body 16 endoporus consistent with entering keyhole 24 direction of the second eccentric grove 21 and three eccentricity groove 27 disalignment;

With reference to Figure 33-Figure 35, the key 40 opening the present embodiment theftproof lock comprises key bar 36, master key 13 and cuphead pilotage 39, key bar 36 and master key 13 are connected as a single entity, key bar 36 is in cylindrical, tail end is provided with the second hole 45 and is equipped with cuphead pilotage 39, the axle center of key bar 36 and the distance of master key 13 equal carry key shank 18 endoporus axle center and carry the distance of spoon groove 54, and the middle part of master key 13 is provided with to answer keyhole 43 and squarely answers keyhole 44 with the circle of answering key bit suitable of pellet.

By matched key 40 from lock body 16 enter keyhole 24 insert carry spoon groove 54 time key bar 36 sink in the first groove 52 with the junction of master key 13, key bar 36 is rotated 180o, and master key 13 and all pellets are joined and can be unblanked.

Rotate after unblanking carry key shank 18 simultaneously by cuphead pilotage 39 toward pressure in lock, the 4th boss 22 performed on plate 37 is pressed into the second eccentric grove 21, three eccentricity groove 27 li, then key bar 36 is rotated 180o and key 40 can be extracted.

By carry spoon groove 54 go to the position of effectively joining with all pellets or leave completely on lock body 16 enter keyhole 24 time, carry spoon groove 54 to be blocked by lock body 16 and the first pin 17, now from entering keyhole 24 to carrying the space of spoon groove 54 in zigzag, thinner with the size at master key 13 place when connecting key bar 36, the first groove 52 carried in key shank 18 is more shallow, enters the space of carrying spoon groove 54 thus less.

embodiment 4:

As shown in Fig. 9, Figure 14, Figure 18-Figure 24, Figure 36-Figure 46, the present embodiment theftproof lock is on the basis of embodiment 3, carry key shank 18 cylindrical and set up sleeve 4, carry in key shank 18 and set up half circle groove 55, second spring 7, annular pellet 12 and the first execution bar 10, second execution bar 11.

The present embodiment theftproof lock, comprise lock core 6, pellet, sleeve 4, cover plate 34 and lock body 16, lock core 6 is provided with the first pin 17 and pin-and-hole 64, is also provided with five eccentric grove 41 perpendicular with pin-and-hole 64, first pin 17 is arranged in the blind hole 63 of lock core 6, and this theftproof lock also comprises

Carry key shank 18, lock core 6 is arranged in the endoporus of year key shank 18, carry in key shank 18 endoporus and be provided with the first eccentric grove 20 and the 4th eccentric grove 29, first eccentric grove 20 and the 4th eccentric grove 29 coexist in a plane, and the distance of their disalignments is consistent with the distance of the 5th eccentric grove 41 disalignment on lock core 6 ,carry key shank 18 endoporus on be also provided with carry a spoon groove 54, carry spoon groove 54 and run through whole year key shank 18, carry spoon groove 54 and be provided with appearance pilot trench 14, carry the other direction that spoon groove 54 is located at the first eccentric grove 20 and the 4th eccentric grove 29 disalignment, the one end of carrying key shank 18 is provided with the 3rd groove 58 and the first boss 1, carrying the cylindrical of key shank 18, the both sides of carrying spoon groove 54 are provided with half circle groove 55, half circle groove 55 and a year spoon groove 54 communicate and pass the first eccentric grove 20, 4th eccentric grove 29, sleeve 4 is arranged on and carries outside key shank 18, carry in key shank 18 and be provided with the first groove 52 be connected with year spoon groove 54 near the termination entering keyhole 24,

Pellet comprises circular pellet and square pellet, circular pellet 8, square pellet 35 are arranged on pin-and-hole 64 and perform the cotter way 66 li of plate 37, first spring 5 and a circle or square pellet is provided with in each pin-and-hole 64, annular pellet 12 is arranged on half circle groove 55 and first and performs on the half slot 71 of bar 10, second execution bar 11, one of annular pellet 12 is located at a year spoon groove 54 li, and other end is connected with the second spring 7.

With reference to Figure 44-Figure 46, matched key 40 comprises key bar 36, master key 13 and cuphead pilotage 39, key bar 36 and master key 13 are connected as a single entity, key bar 36 is in cylindrical, tail end is provided with the second hole 45 and is equipped with cuphead pilotage 39, the axle center of key bar 36 and the distance of master key 13 equal to carry key shank 18 endoporus axle center and the distance of carrying spoon groove 54, the middle part of master key 13 is provided with to answer keyhole 43 and squarely answers keyhole 44 with the circle of answering key bit suitable of pellet, the both sides of master key 13 are provided with suitablely with annular pellet answers key bit 42.

Claims

1. a secret key hole control idle running anti-theft lock, comprises lock core, pellet, cover plate and lock body, it is characterized in that: lock core is provided with the first pin and pin-and-hole, be also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, first eccentric grove and the 4th eccentric grove coexist in a plane, the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core, the termination of the first eccentric grove and the 4th eccentric grove is provided with the second groove, carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, first boss is provided with the 3rd groove,

Lock body is provided with into keyhole, lock core, to carry in endoporus that key shank is installed in lock body and to be enclosed in the endoporus of lock body by cover plate, the endoporus of lock body is provided with the second boss, second boss and the 3rd fit depressions carried in key shank, cover plate is fixed on lock body, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, during installation, to depart from the direction of lock body endoporus consistent with entering keyhole the direction of the second eccentric grove and three eccentricity groove disalignment,

2. open a key for secret key hole as claimed in claim 1 control idle running anti-theft lock, it is characterized in that: comprise

Hook pierces in the hanging hole of master key, and of master key is fixed in hook on key bar and key case, and the 6th spring is opened outward and withstood key case, one end of 6th spring can be inserted in the endoporus of key case, when not using key, the 6th spring withstands key case, and key bar and key case can not Relative sliding.

3. a secret key hole control idle running anti-theft lock, comprise lock core, pellet, sleeve, cover plate and lock body, it is characterized in that: lock core is provided with the first pin and pin-and-hole, be also provided with five eccentric grove perpendicular with pin-and-hole, first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, first eccentric grove and the 4th eccentric grove coexist in a plane, the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core, the termination of the first eccentric grove and the 4th eccentric grove is provided with the second groove, carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, first boss is provided with the 3rd groove, carrying the cylindrical of key shank, the both sides of carrying spoon groove are provided with half circle groove, half circle groove and a year spoon groove communicate and pass the first eccentric grove, 4th eccentric grove, sleeve is arranged on and carries outside key shank,

Lock body is provided with into keyhole, lock core, carry key shank, be enclosed in the endoporus of lock body by cover plate in the endoporus that sleeve is installed in lock body, the endoporus of lock body is provided with the second boss, second boss and the 3rd fit depressions carried in key shank, cover plate is fixed on lock body, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, during installation, to depart from the direction of lock body endoporus consistent with entering keyhole the direction of the second eccentric grove and three eccentricity groove disalignment,

4. open a key for secret key hole as claimed in claim 3 control idle running anti-theft lock, it is characterized in that: comprise

5. a secret key hole control idle running anti-theft lock, comprises lock core, pellet, cover plate and lock body, it is characterized in that: lock core is provided with the first pin and pin-and-hole, be also provided with five eccentric grove perpendicular with pin-and-hole, and the first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, first eccentric grove and the 4th eccentric grove coexist in a plane, the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core, the termination of the first eccentric grove and the 4th eccentric grove is provided with the second groove, carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, carry key shank and be provided with the first groove be connected with year spoon groove near the termination entering keyhole,

Lock body is provided with into keyhole, lock core, carry in endoporus that key shank is installed in lock body and be enclosed in the endoporus of lock body by cover plate, cover plate is fixed on lock body, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, and during installation, to depart from the direction of lock body endoporus consistent with entering keyhole the direction of the second eccentric grove and three eccentricity groove disalignment;

6. open the key of secret key hole as claimed in claim 5 control idle running anti-theft lock for one kind, it is characterized in that: comprise key bar, master key and cuphead pilotage, key bar and master key are connected as a single entity, key bar is cylindrical, tail end is provided with the second hole and cuphead pilotage is equipped with, the axle center of key bar and the distance of master key equal carry key shank endoporus axle center and carry the distance of spoon groove, and the middle part of master key is provided with to answer keyhole and squarely answers keyhole with the circle of answering key bit suitable of pellet.

7. a secret key hole control idle running anti-theft lock, comprise lock core, pellet, sleeve, cover plate and lock body, it is characterized in that: lock core is provided with the first pin and pin-and-hole, be also provided with five eccentric grove perpendicular with pin-and-hole, first pin is arranged in the blind hole of lock core, and this theftproof lock also comprises

Carry key shank, lock core is arranged in the endoporus of year key shank, carry in key shank endoporus and be provided with the first eccentric grove and the 4th eccentric grove, first eccentric grove and the 4th eccentric grove coexist in a plane, the distance of their disalignments is consistent with the distance of the 5th eccentric grove disalignment on lock core, the termination of the first eccentric grove and the 4th eccentric grove is provided with the second groove, carry key shank endoporus on be also provided with carry a spoon groove, carry spoon groove and run through whole year key shank, carry spoon groove and be provided with appearance pilot trench, carry the other direction that spoon groove is located at the first eccentric grove and the 4th eccentric grove disalignment, the one end of carrying key shank is provided with the 3rd groove and the first boss, carrying the cylindrical of key shank, the both sides of carrying spoon groove are provided with half circle groove, half circle groove and a year spoon groove communicate and pass the first eccentric grove, 4th eccentric grove, sleeve is arranged on and carries outside key shank, carry key shank and be provided with the first groove be connected with year spoon groove near the termination entering keyhole,

Lock body is provided with into keyhole, lock core, carry key shank, be enclosed in the endoporus of lock body by cover plate in the endoporus that sleeve is installed in lock body, the endoporus of lock body is provided with the second boss, second boss and the 3rd fit depressions carried in key shank, cover plate is bolted on lock body by second, cover plate is provided with the second eccentric grove at grade and three eccentricity groove, second eccentric grove is identical with the distance of the 5th eccentric grove disalignment on lock core with the distance of three eccentricity groove disalignment, during installation, to depart from the direction of lock body endoporus consistent with entering keyhole the direction of the second eccentric grove and three eccentricity groove disalignment,

8. open the key of secret key hole as claimed in claim 7 control idle running anti-theft lock for one kind, it is characterized in that: comprise key bar, master key and cuphead pilotage, key bar and master key are connected as a single entity, key bar is cylindrical, tail end is provided with the second hole and cuphead pilotage is equipped with, the axle center of key bar and the distance of master key equal to carry key shank endoporus axle center and the distance of carrying spoon groove, the middle part of master key is provided with to answer keyhole and squarely answers keyhole with the circle of answering key bit suitable of pellet, the both sides of master key are provided with suitablely with annular pellet answers key bit.