CN101349126A

CN101349126A - Lock core with lock key quickly-changing function and method of lock core for quickly changing lock key

Info

Publication number: CN101349126A
Application number: CNA2007101361187A
Authority: CN
Inventors: 黄昭铭; 陈吉明
Original assignee: Taiwan Fu Hsing Industrial Co Ltd
Current assignee: Taiwan Fu Hsing Industrial Co Ltd
Priority date: 2007-07-18
Filing date: 2007-07-18
Publication date: 2009-01-21
Anticipated expiration: 2027-07-18
Also published as: CN101349126B

Abstract

The invention provides a lock core with quick key changing function and a method for quickly changing a key of the lock core. In the lock core, a lock shell provided with a numeral lock bead group is provided inside with a lock cylinder and a guiding block, the guiding block can be fixed by a positioning piece in the lock shell, the lock cylinder is provided inside with a numeral clutch plate group, a first tooth plate of which is controlled by the guiding block to make the separation-reunion with a corresponding second tooth plate; when the key of the lock core is changed, a first key turns the lock cylinder and the guiding block, the lock cylinder is pulled forward to move along the axial direction, the guiding block is fixed, and the lock cylinder is pushed backwards, the guiding inclined surface of the guiding block forces the first tooth plate to move along the radial direction so as to be demeshed with the second tooth plate, the first key is then drawn out, a second key is inserted, the lock cylinder is turned and the guiding block is restored, the two tooth plates are meshed with each other again, and the tooth state conforming to the second key is formed; therefore, when the key of the lock core is changed, the change of the lock core group state can be quickly and conveniently operated without other auxiliary tools.

Description

Method with core and core key quickly-changing of key quickly-changing function

Technical field

The present invention relates to a kind of core, be meant a kind of method that has the core of key quickly-changing function and use this core key quickly-changing especially.

Background technology

Core in the conventional lock is taked the structure design of the corresponding single specific key of one group of core mostly, when people want the conversion key, promptly must together change putting in order group core or lockset, causes the unnecessary waste of customer, and shortcoming such as replacement cost height is arranged.

The shortcoming that does not have the replaceable key function for traditional core, someone further designs the lock core structure with replacing keys function, at present known have the core of replacing keys function generally as No. 2005/0011242 " REKEYABLE LOCK ASSEMBLY " patent application case those disclosed herein of U.S. US, it mainly is installing one a lock benevolence and a slide block group in a lock housing, this slide block group is arranged on this lock benevolence, and have a slide block and an a plurality of gear piece, this slide block has a rearward end and a medial surface, this rearward end is provided with this lock housing of spring butt, this medial surface has a plurality of gear piece grooves, those gear pieces are mounted on those gear piece grooves of this medial surface movably, and can be meshed with this tooth portion of locking the lock pearl outer peripheral face in each latch fitting hole of benevolence.

The current core of taking off is when replacing keys, insert in the key hole of lock benevolence with former key earlier, make the recess at those gear piece back sides form a straight line, and a plurality of bullet type blocks in the corresponding lock benevolence, and with former key clockwise direction half-twist, so that slide block forms the free state that can slide between the axial primary importance of locking benevolence and the second place, afterwards, insert via the tooling hole of locking the benevolence surface with a shaft-like instrument again, pushing and pressing slide block and on those gear pieces move axially backward, those gear pieces and those lock pearls are broken away from respectively, after extracting former key and this rod tool out, insert new key and counterclockwise rotate an angle again, guiding block mat spring is pushed against forward reset with new key, and those gear pieces are meshed with the lock pearl again, and set the core configuration that meets new key fully.

Though but before take off lock core structure design and can provide one can change configuration to meet new key by original structure, reach the purpose of replacing keys, yet, this core is in the operating process of replacing keys, change the operation except using old key and new key, more must assist the engagement of removing gear piece and lock pearl by tool using, can carry out the conversion of core configuration, because of this instrument is not a part that belongs to core, the user is when replacing keys, this extra instrument must be used, the replacing of new and old key can be finished, also not convenient in the operation.

Summary of the invention

The purpose of this invention is to provide a kind of method with core and core key quickly-changing of key quickly-changing function, uncommon design by this, overcoming existing core must can more renew the operation inconvenience shortcoming that the structure of key is reorientated with instrument.

Take off purpose for before reaching, the core with key quickly-changing function that the present invention is designed mainly comprises:

One lock housing has a lock benevolence hole and the number lock hole of bead is communicated with this lock benevolence hole;

One lock benevolence, rotatable and be installed in the lock benevolence hole of this lock housing, this lock benevolence has a key hole, several tooth positional plate holes are communicated with this key hole, and a loose slot is communicated with this key hole and those tooth positional plate holes with moving axially;

One guiding block, can organize in the loose slot that is located at this lock benevolence with moving axially, together be installed in the lock benevolence hole of this lock housing with this lock benevolence, and alternative by snaps into position in lock housing, this guiding block medial surface is provided with several guiding recesses, and those guiding recess rear ends have guiding incline;

Number lock pearl group is installed in respectively in the number lock hole of bead of this lock housing, and those lock pearl groups comprise that respectively a lock pearl and a spring push against tooth positional plate hole one end that this lock pearl alternative stretches into this lock benevolence; And

Number clutch plate group, be divided in several tooth positional plate holes of this lock benevolence, those clutch plate groups respectively comprise one first tooth position plate and one second tooth position plate and the alternative relative clutch of the first tooth position plate, those first tooth position plate sides have the junction surface and stretch into respectively in the corresponding guiding recess of this guiding block, constitute the core of a changeable key by this.

The method of the designed core key quickly-changing of the present invention comprises:

One core is provided, this core has a lock housing, and is arranged at guiding block and the array that lock benevolence, one in this lock housing is arranged at this lock benevolence side and is located at the clutch plate group of locking in the benevolence, wherein, those clutch groups comprise one first tooth position plate and one second tooth position plate and the alternative clutch of this first tooth position plate at least, this guiding block alternative in lock housing, is reached the clutch of first, second tooth position plate of control by snap fit;

One first key is inserted in this lock benevolence, rotate this lock benevolence and this guiding block to one pre-position;

To lock benevolence with this first key and spur forward together with guiding block, make guiding block by snap fit in lock housing;

To lock benevolence and push back backwards and reset, first, second tooth position plate of those clutch plate groups is broken away from;

This first key is extracted out in this lock benevolence;

Insert in this lock benevolence with one second key, change the position of the second tooth position plate in those clutch plate groups; And

Rotate this lock benevolence and this guiding block with this second key, make guiding block break away from and reset, first, second tooth position plate of those clutch groups is engaged again in this lock benevolence, finish core and be transformed to the state that meets this second key with lock housing buckle state.

The present invention is by preceding taking off the method design that core is formed structure and utilized the key quickly-changing of this lock benevolence, and compared to the core design of previous existing tool replacing keys function, characteristics of the present invention are:

Core of the present invention is except that having the function of locking and making the change key with former composition member, during to core change key, the operator only must be with first key (being former key) rotation lock benevolence and guiding block to the precalculated position, inferior lock benevolence of pulling forward and guiding block move axially, and make guiding block be located in the lock housing, afterwards, to lock benevolence pushes back backwards, in the process that this lock benevolence moves, design by the guide ramp in this guiding block, the effect that causes those first tooth position plates of being located at the clutch plate group in the lock benevolence to slide relatively because of the inclined-plane produces and moves radially, break away from engagement with the second tooth position plate, afterwards, extract first key out, insert second key (being new key), rotation lock benevolence and guiding block reset again, even the first tooth position plate is meshed with the second tooth position plate of butt second key again, reset the tooth position relation that the first tooth position plate matches with the second tooth position plate, and formation meets the core configuration of second key, finish the key conversion of this core, so, make core of the present invention in the operating process of change key, need not have operation when allowing this core change key and reach simplicity fast as of the auxiliary operation of previous existing core by other instrument.

Description of drawings

Fig. 1 is the perspective exploded view of a preferred embodiment of core of the present invention;

Fig. 2 is the part section schematic perspective view after the combination of core preferred embodiment shown in Figure 1;

Fig. 3 is the section side floor map of core preferred embodiment shown in Figure 1 at locking state;

Fig. 4 is the schematic perspective view of the Flexible Reset assembly in the core preferred embodiment shown in Figure 1;

Fig. 5 is the floor map of another preferred embodiment of core of the present invention;

To be core preferred embodiment shown in Figure 1 at first key insert overlooks in the lock benevolence and look closely generalized section for Fig. 6 A, Fig. 6 B;

Fig. 7 A, Fig. 7 B be core preferred embodiment shown in Figure 1 in the first key rotation lock benevolence and guiding block overlooking and the side-looking generalized section to the pre-position;

To spur and make guiding block forward be the side-looking generalized section that keeper gives snap fit to Fig. 8 for core preferred embodiment shown in Figure 1 will be locked benevolence in first key;

Fig. 9 A, Fig. 9 B are that core preferred embodiment shown in Figure 1 will be locked benevolence in first key and be pushed back backwards, and the clutch plate group in the mat guiding block guiding lock benevolence breaks away from overlooking and the side-looking generalized section of engagement;

Figure 10 extracts the generalized section of looking closely behind first key out for core preferred embodiment shown in Figure 1;

Figure 11 inserts the generalized section of looking closely behind second key for core preferred embodiment shown in Figure 1;

Figure 12 A, Figure 12 B be core preferred embodiment shown in Figure 1 in second key rotation lock benevolence and the guiding block, the clutch plate group of lock in the benevolence meshed again, finish core and be transformed to and meet overlooking and looking closely generalized section of the second key state.

Among the figure:

10 lock housings, 11 lock benevolence holes

The 12 lock hole of beads, 13 fixed caps

14 perforation, 15 keepers

16 springs, 17 alignment grooves

20 lock benevolence, 21 key holes

22 tooth positional plate holes, 221 lock pearl depressions

23 loose slots, 231 depressions

24 storage tanks, 25 clasps

26 assembling recesses, 27 grooves

30 guiding blocks, 31 springs

32 projections, 33 guiding recesses

34 guiding inclines, 35 locating slots

351 long limit section 352 minor face sections

353 inclined-planes

36 wedge-shaped recess

40 lock pearl groups, 41 lock pearls

42 springs

50 clutch plate groups, 51 first tooth position plates

511 junction surfaces, 512 first tooth portions

513 extensions, 514 wedge shape protuberances

515 recesses

52 second tooth position plates, 521 second tooth portions

522 butting sections, 523 recesses

53 Flexible Reset assemblies, 531 elastic parts

532 fittings, 533 protuberances

54 springs, 55 springs

60 contraposition parts, 601 positioning convex portion

61 springs

70 driving members, 71 contraposition projections

711 location indentations

72 internal ring portions, 721 connecting holes

73 outer portion, 74 convergence parts

80 wear-resisting ring set 81 breach

90 keys, 91 first keys

92 second keys

The specific embodiment

Extremely shown in Figure 5 as Fig. 1, but disclose several feasible preferred embodiments of the core of key quickly-changing of the present invention respectively, as can be seen from Figure, this core mainly comprises: a lock housing 10, a lock benevolence 20, a guiding block 30, number lock pearl group 40 and number clutch plate group 50, wherein:

This lock housing 10 has a lock benevolence hole 11 and is and extends axially, and several lock hole of beads 12 are communicated with lock benevolence hole 11 and are a straight line from lock housing 10 outer radial and are spaced, provide a lock pearl group 40 installings respectively wherein with those lock hole of beads 12, still can install fixed cap 13 on this lock housing 10 and seal those lock 12 outer ends, the hole of bead, in this preferred embodiment, this lock housing 10 still is provided with this lock benevolence hole 11 of a perforation 14 radial communication in those lock 12 rears, the hole of bead, provide positioning piece 15 installings wherein, and stretch in this lock benevolence hole 11, this lock housing 10 still can be in this this keeper 15 of installing one spring 16 contacts in 14 of boring a hole, in order to this guiding block 30 of selectivity snap fit.

This lock benevolence 20 is rotatable and be installed in the lock benevolence hole 11 of this lock housing 10 with moving axially, this lock benevolence 20 has a key hole 21 and extends axially backward from front end, and number tooth positional plate holes 22 are a straight line and are spaced, and 20 outer radial of self-locking benevolence respectively are communicated with this key hole 21, in order to provide these clutch plate group 50 installings wherein, those tooth positional plate hole 22 1 ends form the lock pearl depression 221 of larger aperture, this lock pearl depression 221 can be circular depression, these lock benevolence 20 outer peripheral faces are arranged with a loose slot 23 and are and extend axially, be communicated with those tooth positional plate holes 22, in this preferred embodiment, this lock benevolence 20 still can further be provided with depression 231 in these loose slot 23 rear inside.

This guiding block 30 can be installed in the loose slot 23 of this lock benevolence 20 with moving axially, promptly these guiding block 30 axial lengths are less than these loose slot 23 axial lengths, and these guiding block 30 alternatives by snap fit in this lock housing 10, in this preferred embodiment, at this guiding block 30 and 20 at least one springs 31 of installing of this lock benevolence, the medial surface of these guiding block 30 rearward end is provided with projection 32, stretch in the depression 231 of these lock benevolence 20 loose slots 23 inboards, this spring 31 is connected to 32 of these depression 231 sidewalls and this projections, make between these guiding block 30 front ends and this loose slot 23 front side walls and have a movable space, this guiding block 30 and lock benevolence 20 is together rotatable to be mounted in the lock benevolence hole 11 of this lock housing 10, this guiding block 30 has number guiding recesses 33 in abutting connection with the medial surface of this lock benevolence 20 and is a straight line and is spaced, those guiding recess 33 rear ends form guiding incline 34, this guiding block 30 is provided with a locating slot 35 in abutting connection with the lateral surface rear end of this lock housing 10, provide these keeper 15 selectivity buckles wherein, make this guiding block 30 be positioned to move axially in the lock housing 10.

The above-mentioned set locating slot 35 of guiding block 30 lateral surfaces, can be one perpendicular to the axial straight troughs design of guiding block 30, when this guiding block 30 moves with lock benevolence 20, can be keeper 15 and slide into snaps into position, when guiding block 30 rotates with lock benevolence 20, make keeper 15 revolve and move disengaging along this locating slot 35; Perhaps, as this preferred embodiment, the set locating slot 35 of this guiding lateral surface also can be one, and to have a long leg 351 axial perpendicular to this guiding block 30, and one short leg 352 be positioned at the L shaped groove design that long leg 351 1 ends extend towards the place ahead, use and utilize upstream end and the disengaging end of this short leg 352 as keeper 15, wherein by these short leg that extends forward 352 designs, when resetting in order to be rotated at guiding block 30, can delay the time point that this keeper 15 breaks away from this locating slot 35, the side of this short leg 352 still can form an inclined-plane 353, provide this keeper 15 from the short leg 352 of this locating slot 35 along these inclined-plane 353 slippage guiding blocks, 30 lateral surfaces.

Those lock pearl groups 40 respectively comprise a lock pearl 41 and a spring 42, those lock pearl groups 40 are installed in respectively in the number lock hole of bead 12 of this lock housing 10, this lock pearl 41 is positioned at this 12 inboards, lock hole of bead, and for this spring 42 its outside provide the elastic force contact, those lock pearls 41 and when respectively the locking pearl depression 221 correspondence is respectively locked the hole of bead 12 respectively of this lock benevolence 20, those lock pearls 41 by spring 42 pushing and pressing down, the one end is stretched in this lock pearl depression 221, the rotation that makes those lock pearls 41 drop on 10 of lock benevolence 20 and lock housings meets the face place, in order to stoping this lock benevolence 20 to be rotated and to lock, and have the anti-anti-theft feature that knocks concurrently.

Those clutch plate groups 50 are installed in respectively in several tooth positional plate holes 22 of this lock benevolence 20 movably, those clutch plate groups 50 respectively comprise one first tooth position plate 51 and one second tooth position plate 52 and these first tooth position plate, 51 alternative relative clutches, those first tooth position plates 51 can respectively at this lock do in those tooth positional plate holes 22 of benevolence 20 radially mobile with respect to waiting about the reaching up and down of this lock benevolence 20 axle center, and those first tooth position plate 51 1 sides respectively have corresponding respectively number guiding recess 33 places that stretch into this guiding block 30, a junction surface 511, this junction surface 511 can axially reach radial slippage along the guiding recess 33 of this guiding block 30, stretch into this key hole 21 in those second tooth position plates 52 those tooth positional plate holes 22, and can axially in this lock benevolence 20, move radially along those tooth positional plate holes 22 respectively at this lock benevolence 20.

In Fig. 1, preferred embodiment shown in Figure 3, make the first tooth position plate 51 of those clutch plate groups 50 and second tooth position plate 52 sides form the first tooth portion 512 and the second tooth portion 521 respectively, make the two alternative engagement relatively and break away from; Again in this preferred embodiment, those first tooth position plates 51 have more an extension 513 and are connected between this first tooth portion 512 and this junction surface 511, those second tooth position plates 52 have a butting section 522 and are positioned at this second tooth portion, 521 sides, correspondence is placed in the lock pearl depression 221 of this lock benevolence 20, those second tooth position plates 52 only can be locked in the benevolence 20 in this axially move radially in this lock benevolence 20 along those tooth positional plate holes 22, circle or the circular arc that pearl depression 221 is complementary can be locked with this in this butting section 522 ... Deng design.

In the preferred embodiment shown in Fig. 1 and Fig. 6 B, number guiding recess 33 front ends of this guiding block 30 still can form a wedge-shaped recess 36, junction surface 511 front ends of those first tooth position plates 51 form a wedge shape protuberance 514, with these wedge-shaped recess 36 corresponding matching, use under normal circumstances, the wedge shape protuberance 514 of those first tooth position plates 51 falls into this guiding block 30 corresponding wedge-shaped recess 36, use and prevent that those first tooth position plates 51 from taking place perpendicular to the mobile situation of tooth positional plate hole 22 axial (promptly with respect to the left and right directions of locking benevolence 20 axle center) in lock benevolence 20, in other words, in this preferred embodiment, promptly be by the mating reaction of wedge shape protuberance 514 with wedge-shaped recess 36, make those first tooth position plates 51 in lock benevolence 20, only can with do in this lock benevolence 20 relative to the second tooth position plate 52 of engagement to be parallel to tooth positional plate hole 22 axially the above-below direction of lock benevolence 20 axle center (promptly with respect to) move, guarantee the first tooth position plate 51, second 52 of the tooth position plates are kept the state of firm correspondence engagement.

As Fig. 1, Fig. 3, preferred embodiment shown in Figure 4, be provided with a storage tank 24 in this lock benevolence 20 and be communicated with those tooth positional plate holes 22, in order to those spatial accommodations that side end that first tooth position plate 51 has the first tooth portion 512 stretches into to be provided, core of the present invention can comprise further that still a Flexible Reset assembly 53 is located at these first tooth position plates 51 of butt in this lock benevolence 20, those complementary back stretch that first tooth position plate 51 resets are provided, this Flexible Reset assembly 53 can be installed in this first tooth position plate 51 of butt in this storage tank 24, this Flexible Reset assembly 53 can be a spring-piece type elastic parts, or corresponding to the spring-elastic assembly of first tooth position plate 51 quantity (figure does not show), or as Fig. 1, Fig. 3, preferred embodiment shown in Figure 4, the combination of the elastic parts 531 of fitting that this Flexible Reset assembly 53 is a long strip-board shape 532 and number springs (or spring-piece type etc.), these fitting 532 sides still can form number protuberance 533 provides the first tooth position plate 51 to have the position of the corresponding butt of the first tooth portion, 512 sides respectively, those elastic parts 531 are divided into this fitting 532 of butt in this storage tank 24, in order to those first tooth position plates 51 being provided balanced reseting elasticity, and prevent the improper pushing and pressing mechanism that falls into this storage tank 24 of side end that this first tooth position plate 51 has the first tooth portion 512; A spring 55 still can be installed in 522 of butting sections in the extension 513 of those the first tooth position plates 51 second tooth position plate 52 corresponding with it, can form a recess 515 on the aforesaid extension 513, provide this spring 55 1 ends location wherein, when this butting section 522 was circular, can form recess 523 on it provided this spring 55 to hold the location wherein in addition.

Another preferred embodiment and for example shown in Figure 5, spring 54 combinations of this Flexible Reset assembly 53 for corresponding to those first tooth position plate 51 quantity, those springs 54 respectively make end location be connected to the side that this first tooth position plate 51 has junction surface 511, this second tooth position plate 52 of other end butt has the side of the second tooth portion 521, in order to provide reseting elasticity to the first tooth position plate 51, in lock benevolence 20, establish the end in addition of a spring 55 butts second tooth position plate 52 in addition, the complementary back stretch that provides the second tooth position plate 52 to move in tooth positional plate hole 22.

Preferred embodiment as shown in Figure 1 and Figure 2, these lock housing 10 rear ends are provided with an alignment grooves 17, in this alignment grooves 17, be provided with a contraposition part 60 and be positioned at the groove outside, and at least one spring 61 is positioned at inboard this contraposition part 60 of butt of groove, in this preferred embodiment, be provided with two springs 61 and be positioned at this these contraposition part 60 both sides of alignment grooves 17 inboard butts, this contraposition part 60 can be the member that the plate body bending is shaped; Stretch out outside the lock housing 10 these lock benevolence 20 rear ends, and should lock a sheathed driving member 70 on benevolence 20 rear ends, 10 of this driving member 70 and this lock housings have a spacing, this driving member 70 also is located at the clasp of presetting in the annular groove these lock benevolence 20 rear ends 25 by a button and is located, having a contraposition projection 71 on this driving member 70 axially protrudes out forward, in order to rotate to 71 pairs of contraposition projections in lock benevolence 20 should alignment grooves 17 time, just can lock benevolence 20 moving axially forward with this, and the contraposition part 60 of corresponding butt and can stretching in this alignment grooves 17, and limit this lock benevolence 20 and can't in this lock housing 10, rotate.

Preferred embodiment as shown in Figure 1, this driving member 70 has an internal ring portion 72, and one outer portion 73 be located at internal ring portion 72 outsides, be provided with the connecting hole 721 that without exception is in 8 fonts in this internal ring portion 72, the usefulness of the drive plate connection of lockset is provided, between this internal ring portion 72 and the outer portion 73 and be provided with several convergence parts 74 and be connected one, this contraposition projection 71 is located at this outer portion 73 leading flanks, these lock benevolence 20 rear ends are provided with an assembling recess 26, and number groove 27 extends to the outside from these assembling recess 26 peripheries, insert in this assembling recess 26 in order to internal ring portion 72 correspondences that this driving member 70 is provided, 74 of those convergence parts are placed in respectively in those grooves 27, and it is fixing to cooperate button to be located on the lock benevolence 20 clasp 25 with respect to these driving member 70 rear ends, make this driving member 71 be fixed in this lock benevolence 20 rear ends, prevent the rotation on lock benevolence 20 of this driving member 71, and make driving member 71 with these lock benevolence 20 interlocks.

In aforementioned, this contraposition projection 71 and contraposition part 60 corresponding sides, can combine by the concavo-convex cooperation of location indentations 711 and positioning convex portion 601, in this preferred embodiment, this location indentations 711 is located on this contraposition projection 71, this positioning convex portion 601 is located on this contraposition part 60, by this, when this driving member 70 rotates to the corresponding contraposition part 60 of contraposition projection 71 in company with this lock benevolence 20, can engage mutually and produce sound by location indentations 711 and positioning convex portion 601, differentiate in order to the user and lock benevolence 20 and rotated to the precalculated position.

Preferred embodiment as shown in Figure 1, still can further set up the wear-resisting ring set 80 that a high-abrasive material is made between these lock housing 10 rear ends and the driving member, avoid this driving member 70 and these lock housing 10 frictions, make this lock housing 10 have long application life, these wear-resisting ring set 80 inner edges have the alignment grooves 17 of a breach 81 corresponding to these lock housing 10 rear ends, and the contraposition projection 71 of this driving member 70 and the passage of contraposition part 60 these alignment grooves 17 of turnover are provided.

When core of the present invention is when locking state extracting key out, as shown in Figure 1 to Figure 3, the lock pearl depression 221 of these lock benevolence 20 each tooth positional plate hole 22 1 ends is just to should lock housing 10 each lock hole of bead 12, those lock pearls 41 that are divided into the lock pearl group 40 of respectively locking in the hole of bead 12 are under spring 42 pushing and pressing, make and respectively lock pearl 41 1 ends and stretch into respectively in those lock pearl depressions 221, allow those lock pearls 41 drop on the rotation that this lock benevolence 20 is arranged in this lock housing 10 respectively and meet the face place, stop and lock benevolence 20 and be rotated, and be the state of locking.

When unblanking, the user inserts in the key hole 21 of this lock benevolence 20 with correct key 90, push against the second tooth position plate 52 and the first tooth position plate 51 that are meshed in those clutch plate groups 50, and those lock pearl depressions 221 of those lock pearls 41 disengagings of ejection, and then can these key 90 these lock benevolence 20 of rotation unblank.

Relevant core of the present invention is in the mode of operation of replacing keys, and the designed core key quickly-changing method of the present invention, may further comprise the steps:

1. a core is provided, and this core is the design of foregoing composition structure, does not repeat them here.

2. first key 91 (being former key) is inserted in the key hole 21 of this lock benevolence 20, shown in Fig. 6 A, Fig. 6 B, with the second tooth position plate 52 and the first tooth position plate 51 that is meshed in these former key 90 those clutch plate groups 50 of pushing and pressing, and those lock pearl depressions 221 of those lock pearls 41 disengagings of ejection, make this lock benevolence 20 be rotatable original state.

3. this locks guiding block 30 1 predetermined angulars of benevolence 20 and one side with 91 rotations of first key, as Fig. 7 A, shown in Fig. 7 B, in this preferred embodiment, generally make this lock benevolence 20 and this guiding block 30 be rotated counterclockwise 90 degree, contraposition projection 71 lucky alignment grooves 17 positions corresponding to these lock housing 10 rear ends of these lock benevolence 20 rear end driving members 70 are located in order, with these contraposition part 60 corresponding joints in this alignment grooves 17, on the other hand, then make keeper 15 enter through getting over the outer peripheral face place of this inclined-plane 353 to long leg 351 the place aheads via locating slot 35 short legs 352 1 sides of these guiding block 30 outer peripheral faces.

4. will lock benevolence 20 with first key 91 spurs towards the place ahead in this lock housing 10 together with guiding block 30, and make guiding block 30 by snap fit in lock housing 10, as shown in Figure 8, in this lock benevolence 20 and the axially movable forward process of guiding block 30, the keeper of being located in this lock housing 10 15 is slided in the long leg 351 of these guiding block 30 locating slots 35 by guiding block 30 lateral surfaces, makes guiding block 30 be fixed in the lock housing 10 for keeper 15.

5. will lock benevolence with first key 91 pushes back towards the rear in this lock housing 10 and resets, and mat guiding block 30 guiding inclines 34 make the first tooth position plate, the 51 second tooth position plates 52 corresponding with it of those clutch plate groups 30 break away from engagement, as Fig. 9 A, shown in Fig. 9 B, in the axially movable backwards process of this lock benevolence 20, be that junction surface 511 by each first tooth position plate 51 of this clutch plate group 50 is along under the guiding incline 34 relative slip effects of guiding recess 33 rear ends of this guiding block that is fixed 30, force those first tooth position plates 51 to produce and move radially (promptly axially moving down) perpendicular to tooth positional plate hole 22, second tooth position plate 52 corresponding with it breaks away from engagement, at this moment, the side that those first tooth position plates 51 have the first tooth portion 512 stretches in the storage tank 24 of lock benevolence 20, and compressing this Flexible Reset assembly 53 and be compressive state, accumulate back stretch.

6. extract first key 91 as shown in figure 10 in certainly should lock benevolence 20 out, at this moment, in those clutch plate groups, with these first tooth position plate, 51 out-of-gear second tooth position plates 52 under spring 55 pushing and pressing, move towards other key hole 21 directions of side.

7. second key 92 (being new key) is inserted in the key hole 21 as shown in figure 11 of this lock benevolence 20, at this moment, inserting the second tooth position plate 52 that tooth position that second key 92 in the key hole 21 utilizes its height not wait pushes against those clutch plate groups 50 respectively moves and compresses spring 55 towards first tooth position plate 51 directions.

8. reset with second key, 92 these lock benevolence 20 of rotation and guiding block 30, making guiding block 30 break away from lock housing 10 buckle states resets, make the first tooth position plate 51 of those clutch plate groups 50, the second tooth position plate 52 engages again with this lock benevolence 20, finish core and be transformed to the state that meets this second key 92, in this step, the present invention can make this lock benevolence 20 and guiding block 30 do rotation forward or backwards, in this preferred embodiment, make this lock benevolence 20 and guiding block 30 do reverse rotation (promptly turning clockwise), allow this guiding block 30 in rotation, break away from the buckle state of the keeper 15 in this lock housing 10 automatically, wherein, when the locating slot 35 of this guiding block 30 is taked the straight trough design, when this keeper 15 turns clockwise at lock benevolence 20 and guiding block 30, directly skid off along locating slot 35 sides, when this locating slot 35 is the design of L shaped groove, as Figure 12 A, shown in Figure 12 B, this keeper 15 is in lock benevolence 20 and guiding block 30 turn clockwise process, make this keeper 15 shift to short leg 352 along the long leg 351 of these guiding block 30 locating slots 35, and under the effect of spring 31 elastic force pushing and pressing guiding block 30, and move axially backwards, make keeper 15 touch the front bulkhead of these locating slot 35 short legs 352 earlier, side direction breaks away from this locating slot 35 again, makes guiding block 30 move slowly by this backwards; On the other hand, the home position is got back to after breaking away from the guiding incline 34 of this guiding recess 33 fully in the junction surface 511 of each first tooth position plate 51 of this clutch plate group 50, wherein, more can do reverse moving radially by Flexible Reset assembly 53 provides complementary back stretch, each first tooth position plate 51 of this clutch plate group 50 is meshed with its corresponding second tooth position plate 52 again, wherein more by guiding block 30 slow effects of moving backwards, make the first tooth plate plate 51, the second tooth plate plate 52 can mesh more accurately, make it be transformed to the configuration that meets second key 92, promptly finish the operation of this core replacing keys, so, promptly can control locking or unblanking of this core by second key 92 (being new key).

According to the above, core of the present invention need not have operation when allowing this core change key and reach simplicity fast as the auxiliary operation of previous existing core by other instrument in the operating process of change key, hereat, the present invention can provide a core design with key quickly-changing function.

Should be noted that at last above embodiment is only unrestricted in order to technical scheme of the present invention to be described, all parameter values can be according to the actual conditions adjustment, and in this rights protection scope.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spiritual scope of technical solution of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. the core with key quickly-changing function is characterized in that, mainly comprises:

One lock benevolence, in the rotatable and axially movable lock benevolence hole that is installed in this lock housing, this lock benevolence has a key hole, several tooth positional plate holes are communicated with this key hole, and a loose slot is communicated with this key hole and those tooth positional plate holes;

One guiding block, can axially movable group be located in the loose slot of this lock benevolence, together be installed in the lock benevolence hole of this lock housing with this lock benevolence, and alternative by snaps into position in lock housing, this guiding block medial surface is provided with number guiding recess, and those guiding recess rear ends have guiding incline;

Number lock pearl group is installed in respectively in the number lock hole of bead of this lock housing, and those lock pearl groups comprise that respectively a lock pearl and a spring push against tooth positional plate hole one end that this lock pearl selectivity stretches into this lock benevolence; And

2. the core with key quickly-changing function as claimed in claim 1, it is characterized in that, this core still comprises a Flexible Reset assembly and is located at this first tooth position plate of contact in this lock benevolence, this Flexible Reset assembly is the combination of number spring, and be connected to the side that those first tooth position plates have the junction surface with one end location, other holds the corresponding second tooth position plate of butt to have the side of the second tooth portion.

3. the core with key quickly-changing function as claimed in claim 1 is characterized in that, this lock benevolence is provided with a storage tank in those tooth positional plate hole inside walls, and this lock benevolence comprises a Flexible Reset assembly in addition and is installed in this first tooth position plate of butt in this storage tank.

4. the core with key quickly-changing function as claimed in claim 3 is characterized in that, fitting that this Flexible Reset assembly is a long strip-board shape and the combination of counting spring, and with those first tooth position plates of this fitting butt.

5. as each described core in the claim 1 to 4 with key quickly-changing function, it is characterized in that, the first tooth position plate of those clutch plate groups and the second tooth position plate side form the first tooth portion and the second tooth portion respectively, make the two alternative engagement relatively and disengaging.

6. the core with key quickly-changing function as claimed in claim 5, it is characterized in that, those first tooth position plates have an extension and are connected between this first tooth portion and this junction surface, this second tooth position plate has a butting section and is positioned at this second tooth portion side, installs a spring respectively between the extension of those first tooth position plates and the butting section of its corresponding second tooth position plate.

7. the core with key quickly-changing function as claimed in claim 6 is characterized in that, forms a recess on this extension, provides this spring one end to locate wherein, and this butting section is circular, forms a recess on it, provides other end of this spring to locate wherein.

8. the core with key quickly-changing function as claimed in claim 6, it is characterized in that, this lock housing is provided with positioning piece in those lock rears, the hole of bead and stretches in this lock benevolence hole, and this guiding block lateral surface is provided with a locating slot, and this keeper selectivity snaps into position is provided.

9. the core with key quickly-changing function as claimed in claim 8 is characterized in that, the locating slot of this guiding block is one to have long leg and a short leg and be positioned at the L shaped groove that long leg one end extends towards the place ahead, and this short leg side forms an inclined-plane.

10. the core with key quickly-changing function as claimed in claim 9, it is characterized in that, this lock housing is provided with this lock benevolence hole of perforation radial communication in those lock rears, the hole of bead, this keeper is installed in this perforation, and is provided with this keeper of spring butt in this perforation.

11. the core with key quickly-changing function as claimed in claim 6, it is characterized in that, this lock housing is provided with positioning piece in those lock rears, the hole of bead and stretches in this lock benevolence hole, and this guiding block lateral surface is provided with a locating slot, and this keeper selectivity snaps into position is provided.

12. the core with key quickly-changing function as claimed in claim 11 is characterized in that, the locating slot of this guiding block is one to have long leg and a short leg and be positioned at the L shaped groove that long leg one end extends towards the place ahead, and this short leg side forms an inclined-plane.

13. the core with key quickly-changing function as claimed in claim 12, it is characterized in that, this lock housing is provided with this lock benevolence hole of perforation radial communication in those lock rears, the hole of bead, this keeper is installed in this perforation, and is provided with this keeper of spring butt in this perforation.

14. the core with key quickly-changing function as claimed in claim 6 is characterized in that, this lock housing rear end is provided with an alignment grooves, be provided with a contraposition part and be positioned at the groove outside in this alignment grooves, and at least one spring is positioned at inboard this contraposition part of butt of groove.

15. the core with key quickly-changing function as claimed in claim 14 is characterized in that, is provided with two springs in the alignment grooves of this lock housing rear end and is positioned at inboard this contraposition part two side ends of butt of this alignment grooves.

16. the core with key quickly-changing function as claimed in claim 14, it is characterized in that, stretch out outside the lock housing this lock benevolence rear end, a sheathed driving member on this lock benevolence rear end, and the mat clasp is located, have a spacing between this driving member and this lock housing, have a contraposition projection on this driving member and axially protrude out forward, corresponding to this lock housing rear end alignment grooves and contraposition part.

17. the core with key quickly-changing function as claimed in claim 16 is characterized in that, wherein, this contraposition projection is provided with a location recess, and this contraposition part is provided with a location protuberance corresponding to this location indentations.

18. the core with key quickly-changing function as claimed in claim 16, it is characterized in that, this driving member has an internal ring portion, and one outer portion be located at the internal ring portion outside, be provided with a connecting hole in this internal ring portion, be provided with several convergence parts between this internal ring portion and outer portion and be connected one, this contraposition projection is located at this outer portion leading flank, this lock benevolence rear end is provided with an assembling recess, and the number groove provides the internal ring portion of this driving member and the convergence part correspondence of periphery thereof to insert wherein location outside this assembling recess periphery extends to.

19. the core with key quickly-changing function as claimed in claim 16 is characterized in that, sets up a wear-resisting ring set between this lock housing rear end and driving member, this wear-resisting ring set inner edge has the alignment grooves of a breach corresponding to this lock housing rear end.

20. as each described core in the claim 1 to 4 with key quickly-changing function, the number guiding recess front end of this guiding block forms a wedge-shaped recess, the junction surface front end of those first tooth position plates forms a wedge shape protuberance, with this wedge-shaped recess corresponding matching.

21. the core with key quickly-changing function as claimed in claim 6, it is characterized in that, the number guiding recess front end of this guiding block forms a wedge-shaped recess, and the junction surface front end of those first tooth position plates forms a wedge shape protuberance, with this wedge-shaped recess corresponding matching.

22., it is characterized in that at least one spring of installing between this guiding block and this lock benevolence makes between this guiding block front end and this loose slot front side wall to have a movable space as each described core in the claim 1 to 4 with key quickly-changing function.

23. the core with key quickly-changing function as claimed in claim 22, it is characterized in that this core is provided with depression in this loose slot rear inside, the medial surface of this guiding block rearward end is provided with projection, stretch in the depression of this lock benevolence, this spring is connected between this depression sidewall and this projection.

24. the core with key quickly-changing function as claimed in claim 6 is characterized in that, at least one spring of installing between this guiding block and this lock benevolence makes between this guiding block front end and this loose slot front side wall to have a movable space.

25. the core with key quickly-changing function as claimed in claim 24, it is characterized in that this core is provided with depression in this loose slot rear inside, the medial surface of this guiding block rearward end is provided with projection, stretch in the depression of this lock benevolence, this spring is connected between this depression sidewall and this projection.

26. the core with key quickly-changing function as claimed in claim 10 is characterized in that, at least one spring of installing between this guiding block and this lock benevolence makes between this guiding block front end and this loose slot front side wall to have a movable space.

27. the core with key quickly-changing function as claimed in claim 26, it is characterized in that this core is provided with depression in this loose slot rear inside, the medial surface of this guiding block rearward end is provided with projection, stretch in the depression of this lock benevolence, this spring is connected between this depression sidewall and this projection.

28. the method for a core key quickly-changing is characterized in that, comprising:

This first key is extracted out in this lock benevolence;

Rotate this lock benevolence and this guiding block with this second key, make guiding block break away from and reset, first, second tooth position plate of those clutch groups is engaged again with this lock benevolence, finish core and be transformed to the state that meets this second key with lock housing buckle state.

29. the method for core key quickly-changing as claimed in claim 28, it is characterized in that, in its core that provides, this guiding block forms number guiding recess, provide those first tooth position plates to stretch into wherein respectively, those guiding recess rear ends have guiding incline, and mat is controlled the clutch of first, second tooth position plate of those clutch plate groups in this lock benevolence.

30. method as claim 28 or 29 described core key quickly-changings, it is characterized in that, in its core that provides, those clutch groups more include a Flexible Reset assembly and are located at this first tooth position plate of butt in this lock benevolence, and the elastic force of the first tooth position sheet reset is provided.

31. the method as the core key quickly-changing as described in the claim 28 is characterized in that, wherein rotates this lock benevolence and this guiding block step with this second key, is reverse rotation lock benevolence and this guiding block, makes guiding block break away from lock housing buckle state and resets.

32. the method as the core key quickly-changing as described in the claim 29 is characterized in that, wherein rotates this lock benevolence and this guiding block step with this second key, is reverse rotation lock benevolence and this guiding block, makes guiding block break away from lock housing buckle state and resets.

33. the method as the core key quickly-changing as described in the claim 30 is characterized in that, wherein rotates this lock benevolence and this guiding block step with this second key, is reverse rotation lock benevolence and this guiding block, makes guiding block break away from lock housing buckle state and resets.