CN110485812A

CN110485812A - Micro- hidden anti-theft lock

Info

Publication number: CN110485812A
Application number: CN201910793547.4A
Authority: CN
Inventors: 胡俊洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2019-11-22
Anticipated expiration: 2039-08-27
Also published as: CN110485812B

Abstract

The present invention relates to a kind of micro- hidden anti-theft locks, and lock core is coaxially disposed in lock body, and half is open zone in lock core, stealthy area are equipped in open zone, the other half is enclosed area；It is equipped with several pellet blade combinations disposed in parallel in the open zone, is equipped with the different triggering slot in position in the bottom of pellet blade combination；Lockhole lower end forms stealthy area by blocking item；The position that the combination of pellet blade is hit by a bullet sub is corresponding with stealthy zone position；Elastic force keeper in the enclosed area, one end pass through strip hole and the triggering slot cooperation of partition, and the other end is corresponding with trigger mechanism position, and trigger mechanism is connect with the rotating lock tongue being arranged in the middle part of lock body；Enter in the triggering slot in straight line under pressure spring effect in elastic force keeper.The theftproof lock has stealthy area, can hide inner cipher position, and pellet blade combines two grades of locomotive functions of transverse shifting, while in password position mistake, the function that Lock cylinder idling cannot unlock the time, therefore has higher anti-theft effect.

Description

Micro- hidden anti-theft lock

Technical field

The present invention relates to a kind of micro- hidden anti-theft locks, belong to mechanical lock field.

Background technique

Lock is the patron saint in the control space such as places such as family, and protecting personal air is the target that people constantly pursue. There is the lockset of different type and model currently on the market, the grade of property and safety guarantee is also different.Existing mechanical lock, Do not block, keyhole voluntarily opens, lock core variation it is single, provided convenience for illegal unlock, to personal air safety by To threat.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of micro- hidden anti-theft lock, which has stealthy area, can be hidden Inner cipher position is hidden, pellet blade combines two grades of locomotive functions of transverse shifting, while in password position mistake, lock core is empty Turn the function that cannot be unlocked the time, therefore there is higher anti-theft effect.

In order to solve the above problem, the specific technical solution of the present invention is as follows: a kind of micro- hidden anti-theft lock, coaxial in lock body Lock core is set, and half is open zone in lock core, stealthy area is equipped in open zone, the other half is enclosed area, open zone and enclosed area Between separated by partition；The open zone is located at the lockhole end of lock core, and it is disposed in parallel that several are equipped in open zone The combination of pellet blade is equipped with the different triggering slot in position in the bottom of pellet blade combination；Lockhole is reversed L shape hole, reversed L shape Hole lower end is equipped with and blocks item, blocks a lower end surface to lockhole bottom surface as stealthy area；Pellet blade combination be hit by a bullet son position with Stealthy zone position is corresponding；Elastic force keeper in the enclosed area, elastic force keeper are inverted T-type structure, elastic force keeper bottom level bar One end passes through strip hole and the triggering slot cooperation of partition, and the horizon bar other end is corresponding with trigger mechanism position, trigger mechanism and lock The rotating lock tongue connection being arranged in the middle part of body；Pressure spring is equipped in the vertical bar of elastic force keeper, pressure spring one end is perpendicular with elastic force keeper The pin penetrated in the contact of straight-bar top surface, the other end and lock core compresses.

The pellet blade combination is set side by side and is formed by blade A and blade B, and the bottom blade A is slide plate A, slide plate A Upper surface middle part be equipped with pellet A, the bottom of slide plate A be equipped with open slot A；The bottom blade B is slide plate B, the upper surface of slide plate B One end is equipped with pellet B, and upper surface the other end is equipped with baffle, is equipped with open slot B in the bottom of slide plate B；Wherein, blade A and After blade B is fastened side by side, pellet A and pellet B pairing, and the extension end of pellet A is located at the upper surface of slide plate B, the stretching of pellet B End is located at the upper surface of slide plate A, and the outer surface of slide plate A is contacted with the multiple tooth bouncing plate being fixed on lock core, the inner surface of baffle Pass through the outer end face contact of spring and pellet A.

The open slot A and open slot B of every group of pellet blade combination form triggering slot when being completely coincident, at this point, every group of pellet A In stealthy area, pellet B is blocked in open zone for the pellet A in stealthy area, and the pellet blade combination of outermost face exists Under multiple tooth bouncing plate effect, it is detached from key Response surface regression original state, the combination of subsequent pellet blade is blocked.

The trigger mechanism is that the ship shape anchor clutch with lock pin coaxial cooperation, ship shape anchor clutch upper end is the anchor of arc Tail, lower end are the anchor palm of tooth form, and when elastic force keeper one end is placed in outside triggering slot, elastic force keeper does not connect with ship shape anchor clutch Touching；When elastic force keeper one end is placed in triggering slot, the elastic force keeper other end slides into the anchor palm side of ship shape anchor clutch, lock core Rotation synchronous drive trigger mechanism synchronous rotary.

Rotor is equipped between the ship shape anchor clutch and rotating lock tongue, two ends of rotor is respectively equipped with strip grooves, wherein one End and ship shape anchor clutch outer end grafting, rotor outer surface middle part are equipped with strip key, and rotor is inserted by strip key and rotating lock tongue It connects.

The lock core excircle is equipped with annular groove, through-hole corresponding with annular groove location is equipped on lock body, in through-hole Setting limits anti-riot pin, and the part excircle position for limiting anti-riot pin is vertical with annular groove tangent.

The friction lock tongue of L-type is equipped in the lock body, one end face of the vertical short side limit for the lock tongue that rubs is anti-riot in limit On pin, another side is held out against with reset spring；The horizontal long side of friction lock tongue stretches out lock body, contacts, revolves with the end face of rotation lock tongue The end face setting frictional groove corresponding with friction latch bolt position of twist lock tongue.

It is a kind of to be equipped with limiting slot on key body with the matching used anti-theft key of theftproof lock, the position of limiting slot with A position of blocking on lockhole corresponds to；The part of key body insertion lockhole is equipped with the wave song that cooperation is combined with pellet blade Face, for the combination of pellet blade with after the cooperation of wave curved surface, triggering slot is in straight line.

A kind of method for unlocking of micro- hidden anti-theft lock, comprising the following steps:

1) key body is inserted into the lockhole of lock body, wave curved surface successively pushes the pellet A in every group of pellet blade combination aside With pellet B, stop in place when the end face of key body reaches partition；

2) pellet A and pellet B is pressed on the surface of wave curved surface respectively under the action of spring force and multiple tooth elastic slice, at this point, bullet Position where sub- A and pellet B is different；

If 3) key and theftproof lock mismatch, after wave curved surface combines cooperation with pellet blade, pellet blade is combined not close The position of code bit, the open slot of every group of pellet blade combination is inconsistent, cannot form triggering slot；Elastic force keeper and the clutch of ship shape anchor It does not contact, therefore even if rotary locking cylinder, it can only also dally；

If 4) key is matched with theftproof lock, the location matches that wave curved surface is combined with pellet blade, open slot A and open slot B It is overlapped, forms triggering slot, and the wave curved surface of several groups pellet blade combination cooperation on the key, pellet A enter stealthy area, together When triggering slot all point-blank, elastic force keeper be located at the one end in open zone under the drive of pressure spring on move to and trigger in slot, Rotary locking cylinder, the other end that elastic force keeper is located at enclosed area are contacted with ship shape anchor clutch, and the clutch of ship shape anchor also follows rotation, thus Rotating lock tongue rotation is driven by rotor, realizes unlocking action；

5) when needing key to exit, lockhole is rotated to initial vertical position, elastic force keeper enters in the kerve of lock core, and Under the effect of anchor tail pressure, the triggering slot that the elastic force keeper in open zone is combined with pellet blade is detached from, and pellet blade combines nothing The limitation of transverse shifting, therefore key can be extracted smoothly, while the elastic force keeper of enclosed area and the clutch of ship shape anchor are detached from, pellet blade Combination returns original state under the effect of multiple tooth bouncing plate.

Micro- hidden anti-theft lock has the advantage that

1, folk art term controls: when key is inserted into lockhole, realizing that single group pellet blade combined openings slot is overlapped to form triggering slot, simultaneously The triggering slot of multiple groups pellet blade combination is overlapped to form straight line, lacks either condition, and trigger mechanism movement cannot all opened Lock；

2, hidden function: being equipped in backward L-shaped lockhole and block item, and when unlocking, pellet A is hidden in stealthy area, and by pellet B into Row blocks, and the pellet blade combination of outermost face returns original state, and the combination of subsequent pellet blade is blocked.It is improper Internal password position can not be observed when unlocking, therefore considerably increases the anti-theft performance of lock；

3, non-unlocking condition, Lock cylinder idling: non-unlocking condition triggering slot can't be straight line, and elastic force keeper cannot be with triggering Slot cooperation, therefore can only dally, prevent lock core in violence effect lower stress damage.

Detailed description of the invention

Fig. 1 is the structural blast view of micro- hidden anti-theft lock.

Fig. 2 is the horizontal sectional view of micro- hidden anti-theft lock.

Fig. 3 is the vertical section figure of micro- hidden anti-theft lock.

Fig. 4 is the structural schematic diagram of blade A.

Fig. 5 is the structural schematic diagram of blade B.

Fig. 6 is original state figure after blade A and blade B cooperation.

Fig. 7 is the state diagram after key is inserted between blade A and blade B.

Fig. 8 is the axonometric drawing of key.

Fig. 9 is the axonometric drawing of ship shape anchor clutch.

Figure 10 is the axonometric drawing of rotor.

Figure 11 is lockhole front view.

Figure 12 is that triggering slot is in the position view of elastic force keeper in open zone after straight line.

Figure 13 is that triggering slot is in the position view of elastic force keeper in enclosed area after straight line.

Figure 14 is that triggering slot is in the position view of elastic force keeper after lock core rotation after straight line.

Specific embodiment

As shown in Figure 1 to Figure 3, a kind of micro- hidden anti-theft lock is coaxially disposed lock core 2 in lock body 1, and half is in lock core 2 Open zone is equipped with stealthy area in open zone, the other half is enclosed area, is separated between open zone and enclosed area by partition 10； The open zone is located at the lockhole end of lock core 2, several pellet blade combinations 3 disposed in parallel is equipped in open zone, in bullet The bottom of blades combination 3 is equipped with the different triggering slot 4 in position；Lockhole is reversed L shape hole, and reversed L shape hole lower end, which is equipped with, to be hidden Blend stop 101 blocks 101 lower end surface of item to lockhole bottom surface for stealthy area, as shown in figure 11；The position of pellet in pellet blade combination 3 Set function corresponding with stealth zone position, therefore realizing micro- stealth；

Elastic force keeper 5 in the enclosed area, elastic force keeper 5 are inverted T-type structure, and one end of 5 bottom level bar of elastic force keeper passes through The strip hole and triggering slot 4 of partition 10 cooperate, and the horizon bar other end is corresponding with trigger mechanism position, in trigger mechanism and lock body 1 The rotating lock tongue 8 of portion's setting connects；Pressure spring 51 is equipped in the vertical bar of elastic force keeper 5, pressure spring one end is perpendicular with elastic force keeper 5 The pin 52 penetrated in the contact of straight-bar top surface, the other end and lock core 2 compresses.When triggering flute profile is in alignment, 51 work of pressure spring Make, drive and moved up on elastic force keeper 5 in triggering slot, trigger mechanism and lock core link.

As shown in Figures 4 to 7, pellet blade combination 3 is set side by side and is formed by blade A31 and blade B32, leaf The bottom piece A31 is slide plate A311, and the upper surface middle part of slide plate A311 is equipped with pellet A312, is equipped with opening in the bottom of slide plate A311 Slot A313；The bottom blade B32 is slide plate B321, and the upper surface one end of slide plate B321 is equipped with pellet B322, the upper surface other end Portion is equipped with baffle 324, is equipped with open slot B323 in the bottom of slide plate B321；Wherein, after blade A31 and blade B32 is fastened side by side, Pellet A312 and pellet B322 pairing, and the extension end of pellet A312 is located at the upper surface of slide plate B321, the stretching of pellet B322 End is located at the upper surface of slide plate A311, and the outer surface of slide plate A311 is contacted with the multiple tooth bouncing plate 6 being fixed on lock core 2, baffle 324 inner surface passes through the outer end face contact of spring 33 and pellet A312.The structure ensure that pellet A312 and pellet B322 begins It is in apposition eventually, when key is not inserted into, the pellet A312 and pellet B322 under the action of spring 33 and multiple tooth bouncing plate 6 Positioned at original state, and marshalling, the position open slot A313 and open slot B323 of every group of pellet blade combination 3 interlock, not Form triggering slot.

As shown in figure 8, a kind of and the application matching used anti-theft key of theftproof lock, is equipped with limit on key body 20 Position slot 21,101 position of item is corresponding with blocking on lockhole for the position of limiting slot 21, guarantees the position of key insertion；Key body The open zone of 20 insertion lock cores, the part that key body 20 is inserted into lockhole are equipped with the wave curved surface that 3 cooperations are combined with pellet blade The inner face and wave curved surface 22 of 22, each pellet A312 and pellet B322 are tangent, the open slot weight of single group pellet blade combination It closing and forms triggering slot, pellet A312 enters stealthy area, and pellet A312 and pellet B322 come respective password position, meanwhile, it is more The triggering slot 4 of group pellet blade combination 3 is in straight line, and the pellet blade of outermost face combines 3 under the effect of multiple tooth bouncing plate, It is detached from key Response surface regression original state, subsequent pellet blade combination 3 is blocked.Triggering slot is rectangle, with triggering slot The corresponding position of elastic force keeper 5 of cooperation is also rectangle, not only increases the whole torsional strength of lock core, and improve triggering Precision, triggering slot completely the same must can trigger unlocking.

The trigger mechanism is the ship shape anchor clutch 7 with 5 coaxial cooperation of lock core, as shown in figure 9, in ship shape anchor clutch 7 End is the anchor tail 71 of arc, and lower end is the anchor palm 72 of tooth form, when 5 one end of elastic force keeper is placed in triggering 4 outside of slot, elastic force keeper 5 do not contact with ship shape anchor clutch 7；When 5 one end of elastic force keeper is placed in triggering slot 4,5 other end of elastic force keeper is inserted into ship shape 72 side of anchor palm of anchor clutch 7, the rotation synchronous drive trigger mechanism synchronous rotary of lock core 2.Therefore realize pellet A312 and bullet Sub- B322 not at password position, lock core 5 be state of a control, not with 7 cooperating of ship shape anchor clutch.

Rotor 9 is equipped between the ship shape anchor clutch 7 and rotating lock tongue 8, as shown in Figure 10,9 both ends of rotor are set respectively There are strip grooves 91, wherein one end and 7 outer end grafting of ship shape anchor clutch, is equipped with strip key 92, rotor 9 in the middle part of 9 outer surface of rotor Pass through strip key 92 and 8 grafting of rotating lock tongue.It is connect by the structure of rotor with lock tongue 8 is transferred, it is quick and convenient, meanwhile, lock body 1 The other side can also be symmetrically installed same structured lock core 2 and trigger mechanism, to realize the function that indoor and outdoors start respectively.

2 excircle of lock core is equipped with annular groove 11, and through-hole corresponding with annular groove location is equipped on lock body 1, leads to Setting limits anti-riot pin 12 in hole, and the part excircle position for limiting anti-riot pin 12 is vertical with annular groove 11 tangent, and the structure is to lock Axial location of the core 2 in lock body 1 is defined, and prevents violence from unlocking.

The friction lock tongue 13 of L-type is equipped in the lock body 1, one end face of the vertical short side limit of friction lock tongue 13 is limiting On anti-riot pin 12, another side is held out against with reset spring 14；The horizontal long side of friction lock tongue 13 stretches out lock body 1, with rotation lock tongue 8 End face contact, the end face setting frictional groove corresponding with friction 13 position of lock tongue of rotation lock tongue 8.Rub lock tongue 13 and rotation lock tongue The frictional force that 8 frictional groove generates is greater than the frictional force of elastic force keeper, provides dual fail-safe by clutch.

1) key body 20 is inserted into the lockhole of lock body 1, wave curved surface 22 is successively pushed aside in every group of pellet blade combination 3 Pellet A312 and pellet B322 stops in place when the end face of key body 20 reaches partition 10；

2) pellet A312 and pellet B322 is pressed on the table of wave curved surface 22 respectively under the action of spring force and multiple tooth elastic slice 6 Face, at this point, the position where pellet A312 and pellet B322 is different；

If 3) key and theftproof lock mismatch, after wave curved surface 22 combines 3 cooperations with pellet blade, pellet blade combination 3 is not Position in password position, the open slot of every group of pellet blade combination 3 is inconsistent, cannot form triggering slot；Elastic force keeper 5 and ship shape Anchor clutch 7 does not contact, therefore even if rotary locking cylinder 2, it can only also dally；

If 4) key is matched with theftproof lock, wave curved surface 22 combines 3 location matches with pellet blade, open slot A313 and opens Mouth slot B323 is overlapped, and forms triggering slot 4, and several groups pellet blade combination 3 cooperates wave curved surface 22 on the key, pellet A Into stealthy area, while triggering slot all point-blank, elastic force keeper 5 is located at the one end in open zone under the drive of pressure spring 51 On move to triggering slot 4 in, as shown in Figure 12 and Figure 13；Rotary locking cylinder 2, elastic force keeper 5 are located at the other end and ship shape of enclosed area Anchor clutch 7 contacts, and ship shape anchor clutch 7 also follows rotation, as shown in figure 14, thus drive rotating lock tongue 8 to rotate by rotor 9, Realize unlocking action；

5) when needing key to exit, lockhole is rotated to initial vertical position, elastic force keeper 5 enters in the kerve of lock core, And under the effect of 71 pressure of anchor tail, the triggering slot that the elastic force keeper 5 in open zone combines 3 with pellet blade is detached from, pellet blade 3 limitations without transverse shifting are combined, therefore key can be extracted smoothly, while the elastic force keeper 5 of enclosed area and ship shape anchor clutch 7 are de- From the combination of pellet blade returns original state under the effect of multiple tooth bouncing plate.

Claims

1. a kind of micro- hidden anti-theft lock, it is characterised in that: be coaxially disposed lock core (2) in lock body (1), lock core (2) interior half is Open zone is equipped with stealthy area in open zone, the other half is enclosed area, is separated between open zone and enclosed area by partition (10) It opens；

The open zone is located at the lockhole end of lock core (2), several pellet blade combinations disposed in parallel are equipped in open zone (3), the different triggering slot (4) in position is equipped in the bottom of pellet blade combination (3)；Lockhole is reversed L shape hole, reversed L shape hole Lower end is equipped with and blocks item (101), blocks item (101) lower end surface to lockhole bottom surface as stealthy area；Pellet blade combination (3) is hit by a bullet The position of son is corresponding with stealthy zone position；

Elastic force keeper (5) in the enclosed area, elastic force keeper (5) be inverted T-type structure, the one of elastic force keeper (5) bottom level bar It holds and cooperates across the strip hole of partition (10) and triggering slot (4), the horizon bar other end is corresponding with trigger mechanism position, trigger mechanism It is connect with the rotating lock tongue (8) being arranged in the middle part of lock body (1)；Pressure spring (51) are equipped in the vertical bar of elastic force keeper (5), pressure spring one End is contacted with the vertical bar top surface of elastic force keeper (5), and the pin (52) penetrated in the other end and lock core (2) compresses.

2. micro- hidden anti-theft lock as described in claim 1, it is characterised in that: the pellet blade combination (3) is by blade A (31) and blade B(32) composition, blade A(31 is set side by side) bottom be slide plate A(311), slide plate A(311) upper surface middle part Equipped with pellet A(312), open slot A(313 is equipped in the bottom of slide plate A(311))；Blade B(32) bottom be slide plate B(321), Slide plate B(321) upper surface one end be equipped with pellet B(322), upper surface the other end be equipped with baffle (324), in slide plate B (321) bottom is equipped with open slot B(323)；Wherein, blade A(31) and blade B(32) side by side fasten after, pellet A(312) with Pellet B(322) pairing, and pellet A(312) extension end be located at slide plate B(321) upper surface, pellet B(322) extension end Positioned at the upper surface of slide plate A(311), slide plate A(311) outer surface connect with the multiple tooth bouncing plate (6) being fixed on lock core (2) Touching, the outer end face contact that the inner surface of baffle (324) passes through spring (33) and pellet A(312).

3. micro- hidden anti-theft lock as claimed in claim 2, it is characterised in that: the open slot A of every group of pellet blade combination (3) (313) and open slot B(323) triggering slot (4) is formed when being completely coincident, at this point, every group of pellet A(312) be located in stealthy area, bullet Sub- B(322) in open zone be the pellet A(312 in stealthy area) blocked, the pellet blade combination (3) of outermost face is more Under the effect of tooth bouncing plate, it is detached from key Response surface regression original state, subsequent pellet blade combination (3) is blocked.

4. micro- hidden anti-theft lock as described in claim 1, it is characterised in that: the trigger mechanism is, coaxial with lock core (5) The ship shape anchor clutch (7) of cooperation, ship shape anchor clutch (7) upper end are the anchor tail (71) of arc, and lower end is the anchor palm (72) of tooth form, when Elastic force keeper (5) one end be placed in triggering slot (4) it is external when, elastic force keeper (5) is not contacted with ship shape anchor clutch (7)；When elastic force door Bolt (5) one end be placed in triggering slot (4) it is interior when, elastic force keeper (5) other end slides into anchor palm (72) side of ship shape anchor clutch (7) End, the rotation synchronous drive trigger mechanism synchronous rotary of lock core (2).

5. micro- hidden anti-theft lock as claimed in claim 4, it is characterised in that: the ship shape anchor clutch (7) and rotating lock tongue (8) rotor (9) are equipped between, rotor (9) both ends are respectively equipped with strip grooves (91), wherein one end and the clutch of ship shape anchor (7) outer end Portion's grafting, rotor (9) outer surface middle part are equipped with strip key (92), and rotor (9) is inserted by strip key (92) and rotating lock tongue (8) It connects.

6. micro- hidden anti-theft lock as described in claim 1, it is characterised in that: lock core (2) excircle is equipped with annular groove (11), through-hole corresponding with annular groove location is equipped on lock body (1), setting limits anti-riot pin (12) in through-hole, limits anti-riot The part excircle position for selling (12) is vertical with annular groove (11) tangent.

7. micro- hidden anti-theft lock as claimed in claim 6, it is characterised in that: be equipped with the friction lock of L-type in the lock body (1) Tongue (13), one end face of the vertical short side limit of friction lock tongue (13) is on limiting anti-riot pin (12), another side and reset spring (14) it holds out against；The horizontal long side of friction lock tongue (13) stretches out lock body (1), contacts with the end face of rotation lock tongue (8), rotates lock tongue (8) end face setting frictional groove corresponding with friction lock tongue (13) position.

8. a kind of and matching used anti-theft key of theftproof lock described in claim 1, it is characterised in that: in key body (20) Be equipped with limiting slot (21), the position of limiting slot (21) on lockhole to block item (101) position corresponding；Key body (20) is inserted The part for entering lockhole is equipped with the wave curved surface (22) that (3) cooperation is combined with pellet blade, and pellet blade combines (3) and wave curved surface (22) after cooperating, triggering slot (4) is in straight line.

9. a kind of method for unlocking of micro- hidden anti-theft lock, it is characterised in that the following steps are included:

1) key body (20) is inserted into the lockhole of lock body (1), wave curved surface (22) successively pushes every group of pellet blade group aside Close the pellet A(312 in (3)) and pellet B(322), stop in place when the end face of key body (20) reaches partition (10)；

2) pellet A(312) and pellet B(322) respectively under the action of spring force and multiple tooth elastic slice (6), it is pressed on wave curved surface (22) surface, at this point, pellet A(312) and pellet B(322) where position it is different；

If 3) key and theftproof lock mismatch, after wave curved surface (22) combines (3) cooperation with pellet blade, the combination of pellet blade (3) not in password position, the position of the open slot of every group of pellet blade combination (3) is inconsistent, cannot form triggering slot；Elastic force keeper (5) it is not contacted with ship shape anchor clutch (7), therefore even if rotary locking cylinder (2), can only also dally；

If 4) key is matched with theftproof lock, wave curved surface (22) combines the location matches of (3), open slot A with pellet blade (313) and open slot B(323) be overlapped, form triggering slot (4), and several groups pellet blade combination (3) cooperation wave on the key Unrestrained curved surface (22), pellet A enters stealthy area, while triggering slot all point-blank, and elastic force keeper (5) is located at the one of open zone It holds under the drive of pressure spring (51) and moves in triggering slot (4), rotary locking cylinder (2), elastic force keeper (5) is located at the another of enclosed area End is contacted with ship shape anchor clutch (7), and ship shape anchor clutch (7) also follows rotation, to drive rotating lock tongue (8) by rotor (9) Rotation, realizes unlocking action；

5) when needing key to exit, lockhole is rotated to initial vertical position, elastic force keeper (5) enters the kerve of lock core It is interior, and under the effect of anchor tail (71) pressure, the triggering slot that the elastic force keeper (5) in open zone combines (3) with pellet blade is detached from, Pellet blade combines the limitation of (3) without transverse shifting, therefore key can be extracted smoothly, while the elastic force keeper (5) and ship of enclosed area Shape anchor clutch (7) is detached from, and pellet blade combines (3) under the effect of multiple tooth bouncing plate, returns original state.