CN1215120A

CN1215120A - Lock core

Info

Publication number: CN1215120A
Application number: CN 97119065
Authority: CN
Inventors: 陈旺松
Original assignee: LIYUAN PRECISION INDUSTRY Co Ltd
Current assignee: LIYUAN PRECISION INDUSTRY Co Ltd
Priority date: 1997-10-17
Filing date: 1997-10-17
Publication date: 1999-04-28
Anticipated expiration: 2017-10-17
Also published as: CN1087381C; HK1020205A1

Abstract

The lock barrel mainly is composed of lock shaft, set bar, lock shell, retainer, several locking plates, several gaskets, driving plate and key. Said set bar group is fixed at the rear end of the lock shaft, the several locking plates are received in the lock shaft, and can be turned free from forcing point, the exterior of the lock shell is equipped with dust-proofing cover for protecting lock hole. Said key is made up in the form of 3/4 cylindrical bar body so as to increase strength and cipher group.

Description

Lock core

The present invention relates to a kind of lock core, particularly relate to a kind of tool dustproof effect, applicability extensively reaches the good lock core of theftproof.

See also shown in Figure 1, lock core 10 in the past mainly is by a lock housing 11, a plurality of copper sheets 12, a plurality of pads 13, lock shaft 14, pin 15, snap ring 16 and key 17 combine, its a plurality of copper sheets 12 and a plurality of pad 13 are spaced in lock shaft 14, wherein the mesopore 121 of copper sheet 12 is square, its edge also has the groove of the notch 122 of diverse location, it is ccontaining that but a groove 141 proper supply and marketing 15 are offered at lock shaft 14 tops, the rear end is integrally formed with a locking bolt 142, copper sheet 12, pad 13 and sell this snap ring 16 of 15 mats and combine with lock housing 11, this place, lock housing 11 inner top is concaved with a groove 111, just can sell the rotation of 15 ccontaining restriction lock shafts 14 for this, the body of rod of this key 17 section that is square, the type tooth 171 that has the different angles form on it, make this key 17 insert the mesopore 121 of number copper sheet 12, and make the groove of the notch 122 alignment of each copper sheet 12 be in one line, the pin 15 of the solid lock shaft 14 of limit can drop down onto on the groove of the notch 122, make lock shaft 14 can break away from placing restrictions on of pin 15, with the driving chip 18 of key 17 terminal stopper copper sheet 12 least significant ends, the lock shaft 14 rotatable locking bolts 142 that drive are rotated to unblank again.

Though above-mentioned structure has the function of locking, on theftproof and usability, still remain to be improved, promptly, the lockhole of above-mentioned lock core 10 is exposed on the external outward, be subjected to extraneous dust, water liquid infiltration lock core inside easily, cause the corrosion of lock core inside to damage, so application life is quite short; Again, 10 common design mix of this kind lock core in the lock body of certain specification, therefore when if the lock body of different size is arranged, the specification of essential redesign lock core, waste design and manufacture cost; And because of the rectangular shape of the section of key 17, the type tooth of using as unlocking cipher 171 is in order to take key intensity into account, and the degree of depth of scribing type tooth 171 has certain limit, can not make more group password combination, therefore be easy to generate the key with same password group, anti-theft effect is not good.

Main purpose of the present invention is providing a kind of lock core; mainly formed by a lock shaft, a locking bolt, a lock housing, a stopping plate, number locking plate, number pad, a driving chip and a key; the lock shaft of lock core and locking bolt are that branch is arranged; the lock body of applicable different size; its inner locking plate can be done 360 degree rotations in lock shaft; nearly lockhole place bullet is provided with dust cap and uses the protection lock core; and key has 3/4ths circular cross sections; make the combination of key tool multiple cipher, extensively reach the good advantage of anti-theft effect can reach tool dustproof effect, applicability.

Technical scheme of the present invention is: this kind lock core mainly includes:

One lock shaft is the tubular axis that inside is hollow, and the recessed sky of its front end is formed with a mesopore, and the mesopore rear end is formed with a clip hole, and the Zhou Shangfang place is concaved with a straight trough in the clip hole, and outer wall both sides, place, lock shaft the place ahead have provided two strip holes relatively;

One locking bolt, it is the key that is fixed in place, lock shaft rear, place, its rear end is provided with a snib, this snib just can push up the stopper portion of the clipping block of pulling, and snib convexes with baffle plate retaining and is against in the clip space, the locking bolt front end is established a blocking part cover and is against in the lock shaft clip hole, and the blocking part apical margin is convexly equipped with a tooth and embeds this straight trough, and its front end also extends to forward in the mesopore of lock shaft;

One lock housing, be coat lock shaft simplified, the recessed sky in its rear end is established a holding part and is inserted in for lock shaft, being concaved with a cotter way in the holding part inserts for a blocking pin top side, this blocking pin bottom side can be inserted in the strip hole of lock shaft, be fixed in the lock housing and can place restrictions on lock shaft, and be provided with a block set, provided a lockhole and bullet on this block set and be provided with dust cap and use sealing keyhole at its front end place;

One stopping plate is that rivet clasp is limit the locking plate that supports lock shaft in the lock housing rear end, and its inner commentaries on classics hole that forms is inserted for locking bolt, convexing with a salient point week in the commentaries on classics hole and can place restrictions on the amplitude that locking bolt rotates;

The number locking plate is the circular lamellar body that is nested with in the lock shaft mesopore, and its centre has provided wholeheartedly hole, and each locking plate is provided with the short slot that can supply the blocking pin to insert at the outer peripheral face fovea superior;

One driving chip is the lamellar body that is nested with bottom position in the lock shaft mesopore, and its centre has provided wholeheartedly hole, and its periphery convexes with a drive block, and this drive block can rotate to drive snib by this tooth of pushing and pressing;

The number pad is the pad of isolating each locking plate and driving chip, is positioned in lock shaft one strip hole but its top convexes with a lug blocking; And

One key, constituted by a handle and an axle, this axle has the axis body that slightly is 3/4ths circular cross sections, just can penetrate the heart hole of locking plate and driving chip, axle is arranged with the type tooth of predetermined number vertically respectively, the type tooth is respectively according to the position of corresponding locking plate short slot, and forms different fan-shaped sections with as password;

Combination by above-mentioned structure, this locking bolt and lock shaft are that branch is arranged, can make clip in response to different lock bodies cooperates, locking plate can rotate no origin of force by 360 degree in lock shaft, the key section is 3/4ths circles and can makes up by increase type tooth angle degree scope tool multiple cipher, extensively reaches the good advantage of theftproof can reach applicability.

Below by most preferred embodiment and accompanying drawing automatic coffee making apparatus of the present invention is elaborated, in the accompanying drawing:

Fig. 1 is the exploded perspective view of lock core in the past.

Fig. 2 is the exploded perspective view of preferred embodiment of the present invention.

Fig. 3 is the combination section of preferred embodiment of the present invention.

Fig. 4 is the action schematic diagram of preferred embodiment dust cap of the present invention.

Fig. 5 is the blocking figure of preferred embodiment lock housing of the present invention and lock shaft.

Fig. 6 is the unlocking condition figure of preferred embodiment lock housing of the present invention and lock shaft.

Fig. 7 is the action schematic diagram that preferred embodiment driving chip of the present invention drives locking bolt.

Fig. 8 is the action schematic diagram of the spacing locking bolt of preferred embodiment stopping plate of the present invention.

Fig. 9 is the cohort distribution diagram of preferred embodiment key-type tooth angle degree of the present invention.

Figure 10 is the state diagram of the counterclockwise cutting type of preferred embodiment key of the present invention tooth.

Figure 11 is the state diagram of the clockwise cutting type of preferred embodiment key of the present invention tooth.

Figure 12 is the scheme of installation that preferred embodiment of the present invention is applied in the padlock class.

Figure 13 is the scheme of installation that preferred embodiment of the present invention is applied in gear lock class.

Figure 14 is the scheme of installation that preferred embodiment of the present invention is applied in locomotive lock class.

Please cooperate and consult shown in Fig. 2,3, the internals of lock core of the present invention is all made with stainless steel, consists predominantly of a lock shaft 20, a locking bolt 30, a lock housing 40, a stopping plate 50, number locking plate 60, a driving chip 70 and number pad 80, wherein:

This lock shaft 20 is tubular axis that inside is hollow, the recessed empty mesopore 21 that forms of its front end, mesopore 21 rear end are formed with a slightly rectangular clip hole 22, and the Zhou Shangfang place is concaved with a straight trough 23 in this clip hole 22, and outer wall both sides, place, lock shaft 20 the place aheads have provided two strip holes 24 relatively;

This locking bolt 30 is the keys that are fixed in place, lock shaft 20 rears, place, its rear end off-centre is provided with a snib 31, and snib 31 in its back-end edge convex with a baffle plate 311, this baffle plate 311 just can keep off and be against (relevant lock body clipping block repeats after partly holding) in the interior formed clip of the clipping block space of lock body, whole lock core can't outwards be shifted out, and locking bolt 30 front ends are provided with a blocking part 32 of corresponding clip hole 22 shapes, it can be overlapped in the clip hole 22 that is against lock shaft 20, the apical margin of this blocking part 32 convexes with a tooth 33, this tooth 33 just can overlap to this straight trough 23, and its front end extends forward and projects in this mesopore 21;

This lock housing 40 is the cylindrical shells that coat lock shaft 20, the recessed sky in its rear end is provided with a holding part 41 and is inserted in for lock shaft 20, being concaved with a cotter way 42 in the holding part 41 inserts for a blocking pin 43, and be provided with a block set 44 at its front end, these block set 44 centre have provided a lockhole 45, block set 44 front end places are concaved with two pin ditches 441, but two pin ditches, 441 proper bullets are established two dust caps 46 and are used sealing keyhole 45, two dust caps 46 are by a catch 461, one pivot pin 462 and a spring 463 are formed, the end of this catch 461 places this pivot pin 462, this pivot pin 462 is just placed in the pin ditch 441, be inserted in this spring 463 butted catch 461 and block sets 44 on the pivot pin 462 again, make catch 461 have the spring-go power of outside upset, just can make lockhole 45 form sealing after two catch 461 are involutory, one lock housing is covered 47 medial margin punching out and is formed with a flange 471, but these flange 471 proper embeddings support lock housing lid 47 and be fixed on the block set 44, and can cover and cover dust cap 46 to prevent escape on block set 44;

This stopping plate 50 is rivet clasp locking plates in lock housing 40 rear ends, it just can be inserted in holding part 41 trailing edges and support this lock shaft 20 with limit, its centre is provided with a commentaries on classics hole 51 and inserts for locking bolt 30, changes place, 51 inherent top positions, hole and convexes with a salient point 52, just can place restrictions on the rotation amplitude of locking bolt 30;

Number locking plates 60 are the circular lamellar bodies that are nested with the mesopore 21 of lock shaft 20 in, and its centre has provided wholeheartedly hole 61, and each locking plate 60 is provided with two short slots, 62, two short slots 62 at the outer peripheral face fovea superior and just can supplies blocking pin 43 to insert;

This driving chip 70 is the lamellar bodies that are nested with bottom position in the mesopore 21 of lock shaft 20, its centre has also provided wholeheartedly hole 71, its periphery convexes with a drive block 72 that is the fan-shaped angular range of 180 degree, and this drive block 72 just can push against 30 teeth 33 of locking bolt and rotate to drive snib 31;

Number pad 80 is the pads of isolating each locking plate 60 and driving chip 70, and its top convexes with a lug 81, and can being inserted in also, blocking is positioned in the strip hole 24 of lock shaft 20.

One key 90 is made of a handle 91 and an axle 92, this axle 92 is to have the axis body that slightly is 3/4ths circular cross sections, just can penetrate the heart hole 61 (71) of locking plate 60 and driving chip 70, axle 92 can be arranged with the type tooth 921 of the number of teeth more than at least two vertically, in the present embodiment, be the type tooth 921 that is concaved with 9 numbers of teeth, type tooth 921 is respectively according to the position of the short slot 62 of corresponding locking plate 60, to form different fan-shaped sections with as password; In addition, under the intensity of considering key 90, it is thick as base meat that type tooth 921 can be reserved 1/4 circle at least, can in predetermined angular range, do the variation of unspecified angle as the fan-shaped section part of password, and the fan-shaped section of type tooth 921 can form to cut clockwise or counterclockwise as Figure 10 and 11, can make the password combination that countless profiles of tooth change, give detailed description again after the kind that type tooth 921 angles change as password is held.

More than be each assembly of lock core of the present invention the be associated structure and the general introduction of position; The effect statement as the back of then, again action and institute's expectability of each member of the present invention being reached:

Please cooperate consult shown in Figure 4; when the user desires to unblank; insert in the lockhole 45 with key 90, the curved edge of dust cap 46 root edge tools can be avoided colluding to key 90, when key 90 inserts lockhole 45; overturn in two catch 461 of the dust cap 46 inside both sides of taking advantage of a situation; proper these springs 463 of compression of catch 461 this moment make catch 461 have the involutory restoring force to central authorities, are subjected to the block of lock housing lid 47 after two catch 461 are involutory; just can protect this lockhole 45, and form the inwardly bilateral folding kenel of upset.

Please cooperate consult shown in Figure 5, when using wrong key to unblank, because these locking plate 60 outer rims there is no any salient point, it can do the idle running of amplitude 360 degree always in lock shaft 20, do not have origin of force during locking plate 60 rotation, therefore can't know the position of locking plate 60 short slots 62, blocking pin 43 is maintained between the strip hole 24 of the cotter way 42 of lock housing 40 and lock shaft 20 always with feel, and limit is supported the rotation of lock shaft 20, makes it still form blocking.

Please cooperate consult shown in Figure 6, when the user unblanks with correct key 90, this key 90 just can stretch through into the heart hole 61 of locking plate 60 with the section of its 3/4ths circle, locking plate 60 is subjected to the snapping in of each rank type tooth 921 different angles of key 90, alignd all up in the position of the short slot 62 of each locking plate 60 and form a straight line, blocking pin 43 can be between the strip hole 24 of the cotter way 42 of lock housing 40 and lock shaft 20, fall between the strip hole 24 of the short slot 62 of locking plate 60 and lock shaft 20, make lock shaft 20 break away from blocking pin 43 clips and can in lock housing 40, rotate.

Please cooperate consult shown in Figure 7, after key 90 correct insertions, the key 90 terminal heart holes 71 of stretching into driving chip 70 of just inserting, it is the rotation that pivotable drive sheet 70 is made amplitude 180 degree, its drive block 72 rotations are arrived support the position of ending bar tooth 33, promptly finish the action of the prelocalization of unblanking, when being further rotated key 90 again, this drive block 72 promptly pushes against this tooth 33, but and one drive snib 31 rotates.

Please cooperate and consult shown in Figure 8ly, when key 90 drove snibs 31 and does rotation, snib 31 rotated in stopping plate 50, because this stopping plate 50 has salient point 52, making snib 31 can only be the rotations of 90 degree as amplitude, and promptly finishes the action that stopper is unblanked this moment.

Key 90 of the present invention after the type tooth of locking plate 60 positions of lock core, angle and key 90 921 is consistent, just can normally be unblanked when cooperating lock core to unblank, and therefore, the number of the type tooth 921 of key 90, angle all can be used as the means of controlling the password variable number; Key 90 of the present invention is the section of 3/4ths circles, considers that the intensity of key 90 need stay about quadrant thick as base meat at least; Please cooperate consult shown in Figure 9, in the present embodiment, type tooth 921 serves as the fine setting radix with 1 degree, do respectively by 18 cohorts such as 0 to 17 degree, these 18 cohorts can be useful in respectively different types ofly (to be locked as gear on the key, the locomotive lock, padlock, door lock ... or the like), angle is spent as the calibration benchmark with 18 all again in each cohort, and can make the angle excursion of 0 degree to 197 degree, suppose that it is A that this type tooth can be carved the angle excursion of establishing, the type number of teeth order that key is scribed is n, and key 90 accessible password combination numbers then of the present invention are the n power cipher code set of A; Usefulness with present special machine, first procedure can have been finished 9 number purpose type number of teeth amounts (being n=9), and for for the purpose of convenient the calculating, the angle excursion of type tooth does to calculate (being A=180) with 180 degree, so the kind of key 90 of the present invention can be accomplished 19 a powers cipher code set of 180, promptly 18019 groups, is about 19.8 * 1019 groups, the cipher code set of this quantity can guarantee that the neither meeting of each key does identically, and has high theftproof.

The setting of the type tooth 921 of the shape collocation key 90 of locking plate 60 of the present invention, the angle of its short slot 62 also has multiple variation; That is, the locking plate of no short slot is a kind, and the locking plate of tool one short slot has 180 kinds in 180 degree angular ranges, and the locking plate of tool two short slots has 16110 kinds in 180 degree angular ranges, so the kind summation of locking plate reaches 16291 kinds; See also shown in Figure 10,11, these key 90 common tool one true edges 900 with as the location, and the present invention can clockwise or counterclockwise cutting type tooth 921, make key 90 have the true edge 900 of two kinds of different directions, so, the kind of this locking plate 60 can increase by two times quantity again with respect to the setting of key 90, and the combination of so multiple locking plate 60 guarantees that more each lock core has different cryptography architectures.

The present invention is because this locking bolt 30 is that branch is arranged with lock shaft 20, so the applicable lock body in multiple kind of the present invention, please cooperate to consult shown in Figure 12ly, and be the scheme of installation that lock core of the present invention is applied in padlock 100; Please cooperate and consult shown in Figure 13ly, be the scheme of installation that lock core of the present invention is applied in gear lock 200; Please cooperate and consult shown in Figure 14ly, be the scheme of installation that lock core of the present invention is applied in locomotive lock 300; Above lock is the baffle plate 311 on the mat clipping block 400 clipping lock core locking bolts 30, lock core can be installed with in lock body, therefore the present invention only need change different locking bolts 30, it is applicable different types of lock body, and,, just can clipping block 400 be supported by a hand-held tool to lock class behind unlocking, make locking bolt 30 no longer be subjected to the clipping of clipping block 400, and can break away from lock body to quicken to change the action of lock core.

Because of lock core lock shaft 20 of the present invention and locking bolt 30 are the individualities that separate, can the arrange in pairs or groups lock shaft 20 of same specification of the locking bolt 30 of different size, the locking bolt 30 that the dealer only need make different size can be useful in the lockset of various types, can significantly reduce the design and the manufacturing cost of lock core; Locking plate 60 of the present invention is rounded lamellar bodies, its periphery does not have any salient point, so locking plate 60 no origin of force in lock shaft 20, to make locking plate 60 make 360 degree in lock shaft 20 with wrong key unlocking freely dallies, but the position of not having the short slot 62 of any feel perception locking plate 60 of the present invention, unless unblank with correct key 90, otherwise can't unblank, theftproof is splendid; In addition, this key 90 is the keys that are 3/4ths circular cross sections, its type tooth 921 of making different angles is with as password the time, the meat that has more quadrant shape than the key of common semicircle section is thick, not only can strengthen the intensity of whole key 90, the angle of its made removing from mould tooth 921 can have many groups to change, and makes the password combination of key 90 that more combinations be arranged, and more increases the degree of difficulty that cracks password of the present invention; At last, lockhole 45 of the present invention is combined to form closed by two dust caps 46, and extraneous dust, rainwater are difficult for entering lock core inside during use, has more the function of protection lock core, makes the application life of the present invention can be more permanent.

Claims

1. lock core, the lock shaft, that mainly includes a hollow are fixed in the locking bolt at this lock shaft rear, an and lock housing that coats this lock shaft, it is characterized in that:

The recessed sky of the front end of this lock shaft is formed with a mesopore, and this mesopore rear end is formed with a clip hole, and the Zhou Shangfang place is concaved with a straight trough in this clip hole, and these outer wall both sides, place, lock shaft the place ahead have provided two strip holes relatively;

This locking bolt rear end is provided with a snib, and this snib convexes with a baffle plate, and this locking bolt front end is established a blocking part cover and is against in the clip hole of this lock shaft, and this blocking part apical margin is convexly equipped with a tooth and embeds this straight trough, and its front end also extends to forward in the mesopore of this lock shaft;

This recessed sky in lock housing rear end is established a holding part and is inserted in for this lock shaft, being concaved with a cotter way in this holding part inserts for a blocking pin top side, this blocking pin bottom side can be inserted in the strip hole of this lock shaft, be fixed in this lock housing and can place restrictions on this lock shaft, and be provided with a block set at this lock housing front end place, provided on this block set a lockhole and bullet be provided with a dust cap use the sealing this lockhole;

This lock core also comprises:

One stopping plate is that rivet clasp is limit the locking plate that supports this lock shaft in this lock housing rear end, and its inner commentaries on classics hole that forms is inserted for this locking bolt, convexes with the amplitude that a salient point can be placed restrictions on this locking bolt rotation in this commentaries on classics hole week;

The number locking plate is the circular lamellar body that is nested with in the mesopore of this lock shaft, and its centre has provided wholeheartedly hole, and each locking plate is provided with the short slot that can supply this blocking pin to insert at the outer peripheral face fovea superior;

One driving chip is the lamellar body that is nested with bottom position in the mesopore of this lock shaft, and its centre has provided wholeheartedly hole, and its periphery convexes with a drive block, and this drive block can rotate to drive this snib by this tooth of pushing and pressing;

The number pad is the pad of isolating each locking plate and driving chip, is positioned in the strip hole of this lock shaft but its top convexes with a lug blocking; And

One key, constituted by a handle and an axle, this axle has the axis body that slightly is 3/4ths circular cross sections, just can penetrate the heart hole of these locking plates and this driving chip, this axle is arranged with the type tooth of predetermined number vertically respectively, the type tooth is respectively according to the position of the short slot of corresponding locking plate, and forms different fan-shaped sections with as password.

2. lock core as claimed in claim 1 is characterized in that, the number of this key-type tooth is n, and it is A that the type tooth can be carved the angular range of establishing, the number of combinations that the n power password that makes key have A changes, and wherein A at least can be from 0 degree to 180 degree.

3. lock core as claimed in claim 1 is characterized in that, this key-type tooth angle degree serves as the fine setting radix with 1 degree, and 18 degree of being separated by are divided into 18 cohorts, and angle is spent as the calibration benchmark with 18 again in the cohort.

4. lock core as claimed in claim 1 is characterized in that, can be clockwise on the sections of 3/4ths circles of this key or counterclockwise scribe the type tooth, and this type tooth can be had a true edge of different directions, so that key can increase by two times password combination number.