CN108915372A - Dynamic formula wheel mortice lock and key afterwards - Google Patents

Abstract

The invention discloses a kind of rear dynamic formula wheel piece check and correction lock core and key, including lock housing and lock gall, it is provided with circular hollow skeleton in the lock housing, the skeleton is mounted on lock gall, and the tail portion of the skeleton is provided with key slot；Several password units are provided on the lock gall, the password unit includes check and correction ring and lock bullet, and ratchet and check and correction slot are provided on the check and correction ring, and the lock bullet protrudes into keyhole, and snap arm is provided on the side wall of lock bullet, the snap arm is caught in the initial bit ratchet slot of check and correction ring；Connecting rod and connecting rod base are provided in the lock housing, the tail portion of the skeleton is provided with lock tongue, and lock tongue check and correction slot is provided on the lock tongue.Compared to existing similar lock core, this lock core structure is simple, and amount of parts is few, and manufacturing cost is low, has good market popularization value, is suitble to large-scale production.

Description

Dynamic formula wheel mortice lock and key afterwards

Technical field

The invention belongs to lock technology fields, more particularly to a kind of wheel mortice lock, it is specifically a kind of after dynamic formula wheel mortice lock and Key.

Background technique

Lock core is the major part that control lock is opened, and is and the mating core for driving lock tongue rotation of key.According to public affairs The GAT73-2015 that peace portion promulgates《Mechanical anti-theft lock》Regulation, the national standard of theftproof lock are indicated to be divided into A, B, C tri- with letter Grade, wherein the A grades of lock cores anti-technology opening time is no less than 1 minute, and the B grades of lock cores anti-technology opening time is no less than 5 minutes, C The grade lock core anti-technology opening time is no less than 10 minutes, at present the security level highest of C grades of lock cores.

A grades of locks are single cylinder lock with balls, generally common are a letter lock, cross lock, crescent lock etc., anti-theft performance is poor, opens The time is opened generally at several seconds to two minutes or so, therefore Chinese Consumers' Association's publication warning of consumption claims, A grades of security door are locked at tens seconds very To that can open within several seconds, appeal that consumer replaces safer B grade lock in time.There is thief to be commonly called as " tin using one kind within 2011 The new technology of paper unlocking method " opens theftproof lock, and unlocking process only needs the several seconds that can complete, and tinfoil, which is unlocked, to be needed by special Tinfoil tool, due to tinfoil toughness in lock body as the tartar of spring lock lock tooth deforms, and be engaged on tartar, so It will soon open.

B grades of locks are double cylinder lock with balls, be exactly it is internal there is double hoodle, increase the difficulty of technology unlatching, but due to Principle and A grades of locking phases seemingly, therefore equally can be completed to unlock using tinfoil unlocking method in very short time；The feelings unlocked for tinfoil Condition improves B grades of lock cores, i.e., super B grades of lock, from the key, super B grades of lock is usually two-sided double-row marble slot, side There are also a blade or curves, and which adds the difficulty that tinfoil is opened, but structure is complicated for this B grades of lock, components Quantity is more, and manufacturing cost is high, expensive.

C grades of locks are blade lock, and principle is to change different tartars using bevel angle on the key come in rotation into alignment lock core Angle difference changes different blades, to realize that lock core rotarily opens.Blade lock structure is complicated on the market at present, component number Amount is more than 100, and manufacturing cost is high, expensive, while having already appeared the unlocking work specifically for blade lock on the market at present Tool, i.e. foam are unlocked.

In order to solve technical problem existing for existing lock core, the applicant was after many years research and develop, in 2 months 2016 6 Apply for that a kind of angle modulation positions lock core day, in use, being firstly inserted into and rotating key, all check and correction rings has been made to be fixed to specific angle Degree, then the gap position of ring is proofreaded in verification, if the gap position of all check and correction rings is consistent and is all located on linkage comb teeth bar Fang Shi, linkage comb teeth bar are jacked up under the action of the spring, then drive lock tongue rotation by transmission mechanism.Such lock core with it is existing Other lock core technical principles materially increase the difficulty of technology unlatching there are significantly different；Meanwhile not existing in key When at one's side, it is inserted into lock core with the standard tool that this lock core is equipped with, check and correction ring is turned into correct angle one by one, can also be completed It unlocks, reduces use cost.

Although the security level of angle-regulating positioning lock core can reach C grade standard, components are more, and structure is complicated, production Higher cost is not suitable for large-scale production, and therefore, the applicant has applied for a kind of angle modulation on August 3rd, 2016 by improvement Formula comb teeth positions lock core, although largely solving this problem, in order to be further reduced amount of parts, reduces Manufacturing cost, the applicant again pass by improvement, devise a kind of rear dynamic formula wheel mortice lock.

Summary of the invention

In view of the deficiencies of the prior art, that the purpose of the present invention is to provide a kind of amount of parts is few, structure is simple, manufacture Rear dynamic formula wheel piece check and correction lock core that is at low cost, being suitable for large-scale mass production.

In order to solve the above-mentioned technical problem, present invention employs the following technical solutions：

Dynamic formula wheel mortice lock after a kind of, including lock housing, lock gall and circular hollow skeleton, the lock gall are mounted in lock housing, and The keyhole for key insertion is provided on the end face of lock gall；

The skeleton is mounted on lock gall, and the tail inner side face of skeleton is provided with key slot, and key front end is pluggable to be arrived To drive skeleton to rotate in key slot；

Several password units, the password unit include check and correction ring and lock bullet, be provided on the check and correction ring ratchet with Slot is proofreaded, and proofreads ring and is pressed on skeleton；The lock bullet protrudes into keyhole, and is provided with snap arm on the side wall of lock bullet, The snap arm is caught in the initial bit ratchet slot of check and correction ring；During key is fully inserted into and rotates key, bullet is locked by key Spoon effect is jacked up, and snap arm is made to be detached from initial bit ratchet slot, and check and correction ring is rotated synchronously with skeleton；Predetermined angular is rotated in check and correction ring When, lock bullet is caught in snap arm in the stop bit ratchet slot of check and correction ring by the effect of elastic element；

Connecting rod and connecting rod base are provided in the lock housing, the tail portion of the skeleton is provided with lock tongue, sets on the lock tongue It is equipped with lock tongue check and correction slot, in key turns special angle, all check and correction slot alignment, effect of the connecting rod base by elastic element It moves upwards, connecting rod is pushed to fall into check and correction slot, connecting rod tail portion is fallen into lock tongue check and correction slot at this time, and key continues to rotate, and drives Lock tongue rotation is completed to unlock.

Further, be provided with positioning pin in the lock housing, the front bottom end of the lock gall is provided with pin hole, the pin hole with Keyhole connection, the positioning pin are mounted in pin hole, and positioning pin protrudes into key under the action of elastic element under original state Kong Zhong；In key turns special angle, key acts on positioning pin, and positioning pin is ejected, and rotates synchronously lock gall with skeleton.

Further, the front bottom end of the lock gall is provided with lock gall check and correction slot, in key turns special angle, connecting rod bottom Seat is moved upwards by the effect of elastic element, and the both ends of connecting rod are respectively fallen in lock tongue check and correction slot and lock gall check and correction slot at this time.

Further, several fixing seats are provided on the lock gall, the password unit includes spring and spring cup, described It is provided with shell hole in fixing seat, snap arm slot is provided in the axial sides of fixing seat, the lock bullet is mounted in shell hole, the card Arm is mounted in snap arm slot；The spring withstands on the tail portion of lock bullet, and the lock bullet portion protrudes into keyhole, the spring cup installation The pressing spring in fixing seat, is provided with not perforative dovetail groove in the peripheral side of fixing seat, on the inner wall of the spring cup It is provided with sliding block corresponding with dovetail groove, the sliding block is fixed in dovetail groove.

Further, the spring cup be tile, and spring cup with proofread ring adjacent part open up it is jagged, initially Under state, the indentation, there that the step surface on ring acts on spring cup is proofreaded；The spacer ring group that the skeleton is spaced apart by several At when skeleton rotates special angle, the coupling part between two adjacent spacer rings is acted on spring cup.

Further, the lock gall is cylindrical structure, is made of construction section and spacing head, the diameter of the construction section is less than On construction section, the lock tongue is mounted on the tail portion of skeleton, the limit for the diameter of spacing head, the skeleton and check and correction ring set The diameter of head is identical as the diameter of skeleton, check and correction ring and lock tongue；Mounting hole and limit hole, the limit are provided in the lock housing The diameter in hole is less than the diameter of mounting hole, and more than or equal to the diameter of keyhole, and limit hole is identical as the axial line of mounting hole, The lock gall, skeleton, check and correction ring and lock tongue are arranged in mounting hole, and lock tongue part reaches outside mounting hole；The lock housing It is inside provided with crank-guide way and connecting rod base mounting groove, the connecting rod is arranged in crank-guide way, and the connecting rod base is arranged in connecting rod In pedestal mounting groove.

Further, the skeleton is made of the spacer ring that several are spaced apart, in two adjacent spacer rings, one of them every It is provided with open slot on ring, pressurizing unit is provided in the open slot, the pressurizing unit includes squeezing spring and crushing block, The extruding spring acts on crushing block, and check and correction ring is pressed on another spacer ring.

Further, tail ridge block is arranged in the tail portion of the lock gall, and the tail portion of the skeleton offers slot, sets in the slot It is equipped with fixed check and correction ring, the bottom of the fixed check and correction ring is provided with fixed check and correction slot, is provided with and tail ridge in fixed check and correction ring The corresponding notch of block, the tail ridge block are mounted in the notch.

Further, the check and correction ring is composed of check and correction base and check and correction piece two parts, and the ratchet is provided with check and correction base On, the check and correction slot is provided with check and correction on piece.

A kind of key, including cylindrical body and key handle, the front end of the cylindrical body are provided with the matched grafting of key slot Block, and the bullet slot of several different in width is provided on cylindrical body, the depth for playing slot is greater than or equal to the built-in length of lock bullet, Play the circumferentially corresponding angle of slot be greater than or equal to check and correction ring maximum rotation angle and check and correction ring be actually rotated in place angle it Difference.

The beneficial effects of the present invention are：

1, for the level that technology is opened, this lock core needs to proofread the rotation angle of all check and correction rings, and technology is opened difficult Degree is big, and security level is high, such as has 10 ratchets on each check and correction ring, and the rotation angle of each check and correction ring just has 10 kinds of possibility, The quantity of check and correction ring has 5, and the rotation angle of each check and correction ring is different, has 5 kinds of possibility, such size of key just reaches 10⁵, even Size of key can also be improved by increasing ratchet slot number and check and correction number of rings amount.

2, in the case where key loss, this lock core can proofread ring by replacement or upset putting in order for check and correction ring The original key is set to fail, without replacing entire lock core, for a user, use cost is reduced；Meanwhile it leaving behind The keys such as key not at one's side the case where when occurring, the standard tool and operation instruction that are equipped with this lock core (can mating APP, The key situation of lock core can be obtained in input personal information) check and correction ring is turned into correct angle one by one, it can equally complete out Lock, so there is no need to ask special unlocking staff to unlock, reduces use cost, improves opening under abnormal condition Efficiency is locked, security risk caused by improper unlocking (such as situations such as turning over balcony) is in addition also avoided.

3, existing similar lock core is compared, this lock core structure is simple, and amount of parts is few, and manufacturing cost is low, has good Market popularization value is suitble to large-scale production.

Detailed description of the invention

Fig. 1 is the side view of an embodiment of the present invention.

Fig. 2 is that an embodiment of the present invention removes the explosive view obtained after lock housing.

Fig. 3 is the lock housing sectional view of an embodiment of the present invention.

Fig. 4 is the lock gall bottom view of an embodiment of the present invention.

Fig. 5 is the lock gall perspective view of an embodiment of the present invention.

Fig. 6 is the partial enlarged view of encircled portion in Fig. 5.

Fig. 7 is the spring cup perspective view of an embodiment of the present invention.

Fig. 8 is the spring cup bottom view of an embodiment of the present invention.

Fig. 9 is the skeleton side view of an embodiment of the present invention.

Figure 10 is the skeleton perspective view of an embodiment of the present invention.

Figure 11 is the lock bullet perspective view of an embodiment of the present invention.

Figure 12 is that another embodiment of the present invention removes lock housing and the installation diagram under original state.

Figure 13 is that another embodiment of the present invention removes lock housing and the installation diagram under align mode.

Figure 14 is the explosive view that another embodiment of the present invention removes lock housing.

Figure 15 is the lock gall bottom view of another embodiment of the present invention.

Figure 16 is the lock gall perspective view of another embodiment of the present invention.

Figure 17 is the skeleton perspective view of another embodiment of the present invention.

Figure 18 is the installation diagram that another embodiment combined type of the present invention proofreads ring.

Figure 19 is the broken away view that another embodiment combined type of the present invention proofreads ring.

Figure 20 is the perspective view of the fixed check and correction ring of another embodiment of the present invention.

Figure 21 is the isometric front view of an embodiment of the present invention key.

Figure 22 is the rear isometric view of an embodiment of the present invention key.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawing.

Embodiment 1

As shown in Fig. 1-2 0, the rear dynamic formula wheel piece check and correction lock core of the present embodiment includes lock housing 1 and lock gall 2, and lock gall 2 is mounted on In lock housing 1, and keyhole 201 is offered on the end face of lock gall 2.

Circular hollow skeleton 3 is provided in lock housing 1, skeleton 3 is mounted on lock gall 2, and the tail portion of skeleton 3 offers key slot 301, the shape of key slot 301 can be the non-circular shapes such as rectangular, triangle, diamond shape, ellipse, the present embodiment key slot 301 Shape be it is rectangular, when key is fully inserted into, key front end is inserted into key slot 301, so that key can drive skeleton 3 Rotation.

There are five password unit, password unit includes proofreading ring 4, rotating angle for controlling check and correction ring 4 for setting on lock gall 2 Angle positioning device and the pressurizing unit that is pressed on skeleton 3 for ring 4 will to be proofreaded, check and correction ring 4 be mounted on lock gall 2, And the provided circumferentially about of check and correction ring 4 has ratchet 401 and check and correction slot 402.

Angle positioning device includes that fixing seat 5, lock bullet 6, spring (being not drawn into figure) and spring cup 7, fixing seat 5 are connected to On lock gall 2, and there is the shell hole 501 communicated with keyhole 201 in fixing seat 5, lock bullet 6 is cylindrical, is mounted on shell hole 501 In；The top of lock bullet 6 offers spring groove 601, and spring is mounted in spring groove 601, and spring cup 7 covers spring, initial shape Under state, spring acts on lock bullet 6, puts in lock bullet 6 in keyhole 201；It locks and is connected with snap arm 602, initial shape on the side wall of bullet 6 Under state, spring acts on lock bullet 6, snaps fit onto snap arm 602 in initial bit ratchet slot；During rotating key, key is made For locking bullet 6, lock bullet 6 is set to move out simultaneously compressed spring, snap arm 602 is detached from ratchet slot, effect of the check and correction ring 4 in pressurizing unit Under with skeleton 3 rotate synchronously, when proofread ring 4 rotate predetermined angular when, lock bullet 6 not by the effect of key, recoil of spring, snap arm 602 snap fit onto stop bit ratchet slot, proofread ring 4 at this time and are stopped operating by the effect of snap arm 602, this check and correction ring 4 turns to Correct angle position；According to this principle, when a check and correction ring 4 rotates correct angle, effect of this check and correction ring 4 by snap arm 602 Stop rotating synchronously with skeleton 3, and remaining check and correction ring still may continue to rotate synchronously with skeleton 3 at this time, until all check and correction rings 4 Correct angle is all rotated, the check and correction slot 402 of all check and correction rings 4 is aligned at this time；The provided circumferentially about of skeleton 3 has skeleton to proofread slot 302, the provided circumferentially about of lock gall 2 has lock gall to proofread slot 204, when key turns special angle, all check and correction slots 402 and skeleton It proofreads slot 302 and lock gall check and correction slot 204 is aligned.

Be provided with location structure in lock housing 1, location structure include positioning pin 8, spring pedestal 9 and reset spring (in figure not Draw), the front bottom end of lock gall 2 offers the pin hole 202 communicated with keyhole 201, under original state, action of reset spring in Spring pedestal 9, spring pedestal 9 generate upward active force to positioning pin 8, and positioning pin 8 is made to protrude into keyhole 201 by pin hole 202 In, in key turns special angle, key acts on positioning pin 8, and positioning pin 8 is pushed to move downward simultaneously pressed home spring； Protrusion 203 is provided on the front end face of lock gall 2, in key turns special angle, corresponding step surface is acted on convex on the key 203 are played, key, which continues to rotate, just will drive the rotation of lock gall 2, and lock gall 2 is rotated synchronously with skeleton 3 at this time.

Connecting rod 10 and connecting rod base 11 are provided in lock housing 1, the tail portion of skeleton 3 is provided with cylinder shape lock tongue 12, lock tongue 12 Bottom be provided with lock tongue check and correction slot, when proofreading slot 402 and turning to bottom, check and correction slot 402 and lock tongue check and correction slot is aligned, and is connected Bar pedestal 11 is moved upwards by the effect of top spring, and connecting rod 10 is pushed to fall into check and correction slot 402, at this time the both ends difference of connecting rod 10 It falls into lock gall check and correction slot 204 and lock tongue check and correction slot, key continues to rotate, and the rotation of lock tongue 12 is driven to complete to unlock.

The two sides of skeleton check and correction slot 302 can be arcwall face, and such connecting rod 10 can more successfully fall into or deviate from bone Frame is proofreaded in slot 302；Spring is pushed up in order to facilitate the installation of, can open up spring eye at 11 bottom both ends of connecting rod base；Certainly top spring It can be substituted using other elastomeric elements.

It should be strongly noted that the size of key of this lock core depends on the number of teeth of ratchet 401 and the quantity of check and correction ring 4, In the present embodiment, the number of teeth of ratchet 401 is 10, for example, the corresponding angular range of each ratchet slot is 12 °, therefore proofreads ring 4 The correct angle of rotation just have 10 kinds of possibility such as 0 °, 12 °, 24 ° ..., 108 °, the quantity of check and correction ring 4 is 5, therefore entire lock The size of key of core is 10⁵.Certainly, the number of teeth of ratchet 401 and the quantity of check and correction ring 4 can be even more, and size of key is bigger, lock core Security performance it is better.

In embodiment, lock gall 2 is cylindrical structure, is made of construction section and spacing head, and the diameter of construction section is less than limit The diameter of potential head, skeleton 3 and check and correction ring 4 are sleeved on construction section, and lock tongue 12 is mounted on the tail portion of skeleton 3, the diameter of spacing head It is identical as the diameter of skeleton 3, check and correction ring 4 and lock tongue 12；Mounting hole 101 and limit hole 102, limit hole 102 are provided in lock housing 1 Diameter be less than the diameter of mounting hole 101, more than or equal to the diameter of keyhole 201, and limit hole 102 and mounting hole 101 Axial line is identical, and lock gall 2, skeleton 3, check and correction ring 4 and lock tongue 12 are arranged in mounting hole 101, and 12 part of lock tongue reaches Mounting hole 101 is outer (lock core can be inside and outside pair and open, and the extension of lock tongue 12 acts on clipped)；It is provided in lock housing 1 Crank-guide way 103, connecting rod base mounting groove 104 and spring pedestal mounting groove 105, connecting rod 10 are arranged in crank-guide way 103, connecting rod bottom Seat 11 is arranged in connecting rod base mounting groove 104, and spring pedestal 9 is arranged in spring pedestal mounting groove 105, can be with when installation Slot is opened up in the bottom of lock housing 1, connecting rod 10, connecting rod base 11 and spring pedestal 9 are fitted into lock housing 1 by bottom slot, so The bottom of lock housing 1 is closed by patch again afterwards.

In the present embodiment, snap arm slot 502 is provided in the axial sides of fixing seat 5, snap arm 602 is mounted on snap arm slot In 502；Not perforative dovetail groove 503 is provided in the peripheral side of fixing seat 5, and (the side opening direction of dovetail groove 503 is key The direction of rotation that spoon is opened), spring cup snap arm slot 701 is provided on the inner wall of spring cup 7, when key acts on lock bullet 6, lock Bullet 6 moves out and compressed spring, and snap arm 602 is fallen into spring cup snap arm slot 701 at this time；It is provided on the inner wall of spring cup 7 Sliding block 702 corresponding with dovetail groove, sliding block 702 are mounted in dovetail groove 503；Fluted 703 are opened up on sliding block 702, groove 703 For installing spring；The front bottom end of lock gall 2 is provided with spring pedestal fixing groove 205, and spring pedestal 9 is square, and top is made In spring pedestal fixing groove 205.

In the present embodiment, spring cup 7 be tile, and spring cup 7 with proofread ring 4 adjacent part open up it is jagged 704, under original state, the step surface 403 proofreaded on ring 4 is acted at the notch 704 of spring cup 7；Skeleton 3 is by several intervals The spacer ring of distribution forms, and when skeleton 3 rotates special angle, the coupling part between two adjacent spacer rings is acted on spring cup 7. When key turns special angle, the check and correction slot 402 of all check and correction rings 4 turns to bottom, the connection between two adjacent spacer rings Partial action is on spring cup 7；When key turns round special angle, the correspondence step surface 403 of check and correction ring 4 acts on spring cup 7 Notch 704 at, key returns to initial position at this time.Limit due to the rotation angle of skeleton 3 and check and correction ring 4 by spring cup 7 System is more advantageous to guarantees that skeleton 3 and check and correction ring 4 accurately return to initial position in this way.

In the present embodiment, skeleton 3 is made of several adjacent spacer rings, password unit be mounted on two adjacent spacer rings it Between；In two adjacent spacer rings, open slot 304 is provided on one of spacer ring, pressurizing unit is mounted on open slot 304 In, check and correction ring 4 is pressed on another spacer ring.

In the present embodiment, pressurizing unit includes squeezing spring (being not drawn into figure) and crushing block 13, in order to facilitate the installation of Spring offers spring eye in the tail portion of crushing block 13, squeezes spring and be mounted in spring eye, since crushing block 13 is squeezed The active force of spring, therefore crushing block 13 acts on check and correction ring 4, and check and correction ring 4 is pressed on adjacent spacer ring.

In the present embodiment, it offers installation gap 305 corresponding with fixing seat 5 in skeleton 3, when mounting framework 3, will pacify 305 alignment and fixation seat 5 of notch is filled, 3 sets of skeleton can be thus attached on lock gall 2.

Embodiment 2

In the present embodiment, tail ridge block 206 is arranged in the tail portion of lock gall 2, and the tail portion of skeleton 3 offers slot 306, slot It is provided with fixed check and correction ring 14 in 306, offering notch 141 corresponding with tail ridge block 206 in fixed check and correction ring 14, when installation, Fixed check and correction ring 14 is installed in slot 306 first, it, can be 3 sets by skeleton then again by 206 alignment notch 141 of tail ridge block It is attached on lock gall 2, after installation, tail ridge block 206 is in notch 141；Fixed check and correction the provided circumferentially about of ring 14 has fixed check and correction Slot 142, fixed check and correction slot 142 are aligned with lock gall check and correction slot 204, and slot 142 is proofreaded by fixed always in the both ends of such connecting rod 10 With the effect of lock gall check and correction slot 204, will not twist.

Embodiment 3

Check and correction ring 4 is composed of check and correction base 41 and check and correction piece 42, and ratchet 401 is provided on check and correction base 41, proofreads slot 402 It is provided on check and correction piece 42, more easily check and correction ring 4 can be assembled on lock gall 2 in this way, meanwhile, the key loss the case where Under, check and correction piece 42 can be only needed replacing, the angle position of check and correction slot 402 is changed, without replacing entire lock core.When So, proofread base 41 and proofread piece 42 between junction can use staggered composite structure, can also using grafting block with The composite structure of slot, junction can be attached using modes such as rivets.

As shown in figs. 21 and 22, the matched key of this lock core includes cylindrical body 151 and key handle 152, cylindrical body 151 Diameter is identical as the diameter of keyhole 201, and by the sequencing that key is inserted into, the front end of cylindrical body 151 is provided with key slot 301 Matched grafting block 153, when key is fully inserted into, grafting block 153 is plugged into key slot 301, and key turns drive skeleton 3 Rotation；The bullet slot 154 of 5 different in width is provided on cylindrical body 151, the depth for playing slot 154 is greater than or equal to protruding into for lock bullet 6 Length plays the circumferential corresponding angular range of slot 154 and is greater than or equal to the maximum rotation angle of check and correction ring and the practical rotation of check and correction ring Going to the difference of parallactic angle degree, (such as when all check and correction rings all rotate in place, the maximum rotation angle for proofreading ring is 108 °, and is corresponded to The angle that is rotated in place of check and correction ring is 36 °, and the corresponding bullet groove width of the check and correction ring should be greater than or be equal to 72 ° at this time), turn in key In dynamic process, key acts on lock bullet 6, jacks up lock bullet 6, and snap arm 602 is detached from initial bit ratchet slot, when check and correction ring 4 revolves When going to correct angle, lock bullet 6 is sprung back under the action of the spring, and lock bullet 6 pushes up back in tooth groove.

5 bullet slots of the present embodiment interconnect the whole bathtub construction of composition, when processing, the side of opening up on the cylinder first Then shape notch carries out pairing processing further according to the rotation angle of check and correction ring, be plane, the other side by the side of monoblock type bullet slot It is processed into the step surface of 5 different in width.In other words, that is, by the key on cylindrical body with rectangular notch as blank, Then the rotation angle further according to check and correction ring carries out corresponding processing, and the processing efficiency of key can be substantially improved in this way.

In the present embodiment, the position close to key handle 152 is provided with locating slot 155, when initial position, positioning pin Into locating slot 155, key generates limitation to positioning pin 8 on 8 tops, and when key rotates special angle, key acts on positioning pin 8, eject positioning pin 8, lock gall 2 is rotated synchronously with skeleton 3.

In the present embodiment, key handle 152 can be the shapes such as rectangular, cylindrical, but rotate for convenience, key hand Handle 152 designs squarely；In order to facilitate carrying, be provided with hanging hole 156 on key handle 152, key can by rope or Key chain etc. is fixed to be carried.

Working principle of the present invention is as follows：

It will be inserted into key first, when key is fully inserted into, key acts on the key slot 31 of skeleton tail portion, drives skeleton 3 rotations；When key starts turning, key is not contacted with positioning pin 8, and lock gall 2 does not rotate；Under original state, snap arm 602 is blocked It connects in first ratchet slot, during key turns, key acts on lock bullet 6, and lock bullet 6 is made to move out and compress bullet Spring, snap arm 602 are detached from ratchet slot, proofread ring 4 and rotate synchronously under the action of pressurizing unit with skeleton 3, when key turns are certain When angle, not by the effect of key, recoil of spring, snap arm 602 snaps fit onto another ratchet slot lock bullet 6, and check and correction ring 4 is blocked The effect of arm 602 stops operating, this check and correction ring 4 turns to correct angle position；According to this principle, rotated in a check and correction ring 4 When correct angle, effect stopping and skeleton 3 of this check and correction ring 4 by snap arm 602 are rotated synchronously, and remaining check and correction ring may be still at this time Continue to rotate synchronously with skeleton 3, until all check and correction rings 4 all rotate correct angle, step surface 303 acts on spring cup 7 at this time, The check and correction slot 402 of all check and correction rings 4 is aligned, and is proofreaded slot 402, skeleton check and correction slot 302 and lock gall check and correction slot 204 and be aligned, this When key continue to rotate act on protrusion 22, make lock bullet 2 with skeleton 3 rotate synchronously, when proofread slot 402 turn to bottom when, Check and correction slot 402 is aligned with lock tongue check and correction slot, and connecting rod base 11 is moved upwards by the effect of top spring, and connecting rod 10 is pushed to fall into check and correction In slot 402, the both ends of connecting rod 10 are respectively fallen in lock gall check and correction slot 204 and lock tongue check and correction slot at this time, and key continues to rotate, and drives The rotation of lock tongue 12 is completed to unlock.

When extracting key, key is turned round first, and under the action of connecting rod 10, lock gall 2 and lock tongue 12 are moved back with the rotation of skeleton 3 Initial position is returned, positioning pin 8 is headed into again in keyhole 21 at this time, and limitation lock gall 2 continues to rotate, revolution key is then proceeded to, Connecting rod 10 pushes connecting rod base 11 to move downward compression top spring under the action of lock gall 2, and connecting rod 10 is detached from check and correction slot 42, due to spine The one-way of tooth, during revolution, snap arm 602 is rotated without limitation on check and correction ring 4, therefore proofreads ring 4 in pressurizing unit Continue to turn round with skeleton 3 under effect, until check and correction ring 4 retracts initial angle, at this time snap arm 602 retract first ratchet slot and by To limitation, when key turns round special angle, the notch 704 of spring cup 7 is arrived on the top of step surface 403, and respectively check and correction ring 4 is retracted just at this time Beginning position, finally extracts key again.

Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting Case, although applicant describes the invention in detail referring to preferred embodiment, those skilled in the art should be managed Solution, modification or equivalent replacement of the technical solution of the present invention are made for those, without departing from the objective and range of the technical program, It is intended to be within the scope of the claims of the invention.

Claims (10)

1. dynamic formula wheel mortice lock after a kind of, including lock housing and lock gall, the lock gall is mounted in lock housing, and is arranged on the end face of lock gall There is the keyhole for key insertion；It is characterized in that, further including：

Circular hollow skeleton, the skeleton are mounted on lock gall, and the tail inner side face of skeleton is provided with key slot, key front end It is pluggable into key slot to drive skeleton to rotate；

Several password units, the password unit include check and correction ring and lock bullet, are provided with ratchet and check and correction on the check and correction ring Slot, and proofread ring and be pressed on skeleton；The lock bullet protrudes into keyhole, and is provided with snap arm on the side wall of lock bullet, described Snap arm is caught in the initial bit ratchet slot of check and correction ring；During key is fully inserted into and rotates key, lock bullet is made by key With being jacked up, snap arm is made to be detached from initial bit ratchet slot, check and correction ring is rotated synchronously with skeleton；When proofreading ring rotation predetermined angular, Bullet is locked by the effect of elastic element, is caught in snap arm in the stop bit ratchet slot of check and correction ring；

Connecting rod and connecting rod base are provided in the lock housing, the tail portion of the skeleton is provided with lock tongue, is provided on the lock tongue Lock tongue proofreads slot, and in key turns special angle, all check and correction slots are aligned, and connecting rod base is upward by the effect of elastic element Movement pushes connecting rod to fall into check and correction slot, and connecting rod tail portion is fallen into lock tongue check and correction slot at this time, and key continues to rotate, and drives lock tongue Rotation is completed to unlock.

2. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that positioning pin is provided in the lock housing, it is described The front bottom end of lock gall is provided with pin hole, and the pin hole is connected to keyhole, and the positioning pin is mounted in pin hole, original state Lower positioning pin protrudes into keyhole under the action of elastic element；In key turns special angle, key acts on positioning pin, Positioning pin is ejected, rotates synchronously lock gall with skeleton.

3. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that the front bottom end of the lock gall is provided with lock gall Slot is proofreaded, in key turns special angle, connecting rod base is moved upwards by the effect of elastic element, at this time the both ends of connecting rod It respectively falls in lock tongue check and correction slot and lock gall check and correction slot.

4. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that be provided with several on the lock gall and fix Seat, the password unit includes spring and spring cup, and shell hole is provided in the fixing seat, is arranged in the axial sides of fixing seat There is snap arm slot, the lock bullet is mounted in shell hole, and the snap arm is mounted in snap arm slot；The spring withstands on the tail portion of lock bullet, The lock bullet portion protrudes into keyhole, and the spring cup is mounted on pressing spring in fixing seat, sets in the peripheral side of fixing seat It is equipped with not perforative dovetail groove, sliding block corresponding with dovetail groove is provided on the inner wall of the spring cup, the sliding block is fixed on In dovetail groove.

5. dynamic formula wheel mortice lock after according to claim 4, which is characterized in that the spring cup is tile, and spring The adjacent part of lid and check and correction ring opens up jagged, and under original state, the step surface on check and correction ring acts on the notch of spring cup Place；The skeleton is made of the spacer ring that several are spaced apart, the company when skeleton rotates special angle, between two adjacent spacer rings Socket part is allocated as on spring cup.

6. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that the lock gall is cylindrical structure, by installing Section and spacing head composition, the diameter of the construction section are less than the diameter of spacing head, and the skeleton and check and correction ring set are mounted in construction section On, the lock tongue is mounted on the tail portion of skeleton, and the diameter of the spacing head is identical as the diameter of skeleton, check and correction ring and lock tongue；Institute It states and is provided with mounting hole and limit hole in lock housing, the diameter of the limit hole is less than the diameter of mounting hole, is greater than or equal to key The diameter in hole, and limit hole is identical as the axial line of mounting hole, the lock gall, skeleton, check and correction ring and lock tongue are arranged in mounting hole In, and lock tongue part reaches outside mounting hole；Crank-guide way and connecting rod base mounting groove, the connecting rod are provided in the lock housing It is arranged in crank-guide way, the connecting rod base is arranged in connecting rod base mounting groove.

7. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that the skeleton by several be spaced apart every Ring composition, in two adjacent spacer rings, is provided with open slot on one of spacer ring, extruding dress is provided in the open slot It sets, the pressurizing unit includes that extruding spring and crushing block, the extruding spring act on crushing block, and check and correction ring is pressed to separately On one spacer ring.

8. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that tail ridge block, institute is arranged in the tail portion of the lock gall The tail portion for stating skeleton offers slot, and fixed check and correction ring is provided in the slot, and the bottom of the fixed check and correction ring is provided with Fixed check and correction slot, fixed proofread in ring are provided with notch corresponding with tail ridge block, and the tail ridge block is mounted in the notch.

9. dynamic formula wheel mortice lock after according to claim 1, which is characterized in that the check and correction ring is by check and correction base and check and correction piece two Part is composed, and the ratchet is provided on check and correction base, and the check and correction slot is provided with check and correction on piece.

10. a kind of key of dynamic formula wheel mortice lock rear as described in any one of claim 1-9, including cylindrical body and key handle, It is characterized in that, the front end of the cylindrical body is provided with the matched grafting block of key slot, and several are provided on cylindrical body The bullet slot of different in width, the depth for playing slot are greater than or equal to the built-in length of lock bullet, play the circumferentially corresponding angle of slot and are greater than or wait In the maximum rotation angle of check and correction ring and the difference for being actually rotated in place angle of check and correction ring.