CN108952334A - Take turns mortice lock and key - Google Patents

Abstract

The invention discloses a kind of wheel mortice lock and keys, including lock housing, lock gall, circular hollow skeleton and lock gall underseal, several password units are provided on the lock gall, the password unit includes check and correction ring and lock bullet, it is provided with ratchet and check and correction slot on the check and correction ring, and proofreads ring and is pressed on skeleton；The lock bullet protrudes into keyhole, and snap arm is provided on the side wall of lock bullet, and 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, lock tongue check and correction slot is provided on the lock tongue, when the alignment of all check and correction slots, connecting rod base is moved upwards by the effect of elastic element, 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.Compared to existing similar lock core, this lock core structure is simple, and amount of parts is few, and manufacturing cost is low, and safety is good, has good market popularization value, is suitble to large-scale production.

Description

Take turns mortice lock and key

Technical field

The invention belongs to lock technology fields, more particularly to a kind of 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 GAT73-2015 " mechanical anti-theft lock " regulation that peace portion promulgates, 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 wheel mortice lock.

Summary of the invention

For the above the deficiencies in the prior art, the present invention proposes that a kind of amount of parts is few, structure is simple, manufacturing cost Wheel mortice lock that is low, being suitable for large-scale mass production.

In order to achieve the above objectives, the technical scheme is that

A kind of wheel mortice lock, including lock housing and lock gall, the lock gall is mounted in lock housing, and being provided on the end face of lock gall can For the keyhole of key insertion；

Further include circular hollow skeleton and lock gall underseal, the lock gall be it is columnar structured, by construction section and spacing head group At the diameter of the construction section is less than the diameter of spacing head, and the skeleton set is attached on the construction section of lock gall, the lock gall underseal The front end of spacing head is set；

It is provided with extension on the front end face of the skeleton, crescent hole, the lock gall bottom are provided in the spacing head Crescent is offered on the medial surface of envelope, the extension passes through crescent hole and is plugged into crescent；On the lock gall underseal It is provided with key auxiliary section, when key is fully inserted into, key acts on key auxiliary section, drives the rotation of lock gall underseal, lock gall Underseal drives skeleton to rotate along crescent hole；

Several password units are provided on the lock gall, the password unit includes check and correction ring and lock bullet, the check and correction It is provided with ratchet and check and correction slot on ring, and proofreads ring and is pressed on skeleton；The lock bullet protrudes into keyhole, and locks the side of bullet Snap arm is provided on wall, the snap arm is caught in the initial bit ratchet slot of check and correction ring；It is fully inserted into key and rotates key In the process, lock bullet is jacked up by key effect, and snap arm is made to be detached from initial bit ratchet slot, and check and correction ring is rotated synchronously with skeleton；In school When rotating predetermined angular to ring, 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, locating piece is provided in the lock housing, the spacing head bottom of the lock gall is provided with locating notch, positioning Block pushes up under the action of elastic element into locating notch；It is provided with annular notch on the lock gall underseal, when original state, Locating piece pushes up the start-up portion to annular notch under the action of elastic element, and the end section of annular notch is inclined-plane or arc Face, when lock gall underseal rotates special angle, locating piece is moved downward by the effect of inclined-plane or arcwall face, so that locating piece is de- From locating notch, lock gall is rotated synchronously with skeleton at this time.

Further, the spacing head bottom of the lock gall is provided with lock gall check and correction slot, in key turns special angle, connecting rod Pedestal is moved upwards by the effect of elastic element, and the both ends of connecting rod respectively fall in lock tongue check and correction slot and lock gall check and correction slot at this time In.

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 diameter of the spacing head is identical as the diameter of lock gall underseal, skeleton, check and correction ring and lock tongue；The lock Mounting hole and limit hole are provided in shell, the diameter of the limit hole is less than the diameter of mounting hole, more than or equal to keyhole Diameter, and limit hole is identical as the axial line of mounting hole, the lock gall, skeleton, check and correction ring, lock gall underseal and lock tongue setting are being pacified It fills in hole, and lock tongue part reaches outside mounting hole；Crank-guide way and connecting rod base mounting groove are provided in the lock housing, it is described Connecting rod is arranged in crank-guide way, and the connecting rod base is arranged in connecting rod base 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 cylindrical body is made of key leading portion and key middle section, described The bullet slot of several different in width is provided on key leading portion, the depth for playing slot is greater than or equal to the built-in length of lock bullet, plays slot Circumferential corresponding angle is greater than or equal to the maximum rotation angle of check and correction ring and proofreads the difference for being actually rotated in place angle of ring；Institute State the counter structure that key auxiliary section is provided on key middle section.

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

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only it is of the invention wherein Two width for those of ordinary skill in the art without any creative labor, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is structural schematic diagram of the embodiment of the present invention under key insert state；

Fig. 2 is the installation diagram of the lock core of the embodiment of the present invention in the initial state；

Fig. 3 is installation diagram of the lock core of the embodiment of the present invention under align mode；

Fig. 4 is the positive broken away view of the lock core of the embodiment of the present invention in the initial state；

Fig. 5 is the reversed broken away view of the lock core of the embodiment of the present invention in the initial state；

Fig. 6 is the lock gall perspective view of the embodiment of the present invention；

Fig. 7 is the lock gall bottom view of the embodiment of the present invention；

Fig. 8 is the skeleton structure diagram of the embodiment of the present invention；

Fig. 9 is the lock bullet underseal medial surface schematic diagram of the embodiment of the present invention；

Figure 10 is the lock gall underseal side view of the embodiment of the present invention；

Figure 11 is the lock housing sectional view of the embodiment of the present invention；

Figure 12 is the fixed seat structure figure of the embodiment of the present invention；

Figure 13 is the lock bullet structure chart of the embodiment of the present invention；

Figure 14 is the spring cup perspective view of the embodiment of the present invention；

Figure 15 is the spring cup bottom view of the embodiment of the present invention；

Figure 16 is the check and correction ring installation diagram of the embodiment of the present invention；

Figure 17 is the check and correction ring broken away view of the embodiment of the present invention；

Figure 18 is the fixed check and correction ring structure figure of the embodiment of the present invention；

Figure 19 is the Key structure figure of the embodiment of the present invention.

Specific embodiment

Below in conjunction with attached drawing, the technical solution in the present invention is clearly and completely described, it is clear that described Embodiment is only presently preferred embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention Range.

Embodiment 1

As shown in Fig. 1-18, a kind of wheel mortice lock, including lock housing 2, the front end of lock housing 2 are plugged with key 1, the tail portion of lock housing 2 It is provided with the lock tongue 3 of part stretching, when unlocking, key 1 is rotated, and touches the cryptography architecture in lock housing 2, and then drive 3 turns of lock tongue It is dynamic, it completes to unlock.

Wheel mortice lock of the invention includes the lock gall 4, circular hollow skeleton 5 and lock gall underseal 6 being mounted in lock housing 2, lock gall 4 To be columnar structured, the circular keyholes 401 for key insertion are provided on the end face of lock gall 4；Lock gall 4 be divided into construction section and Spacing head, the diameter of construction section are less than the diameter of spacing head, and 5 sets of skeleton are attached on the construction section of lock gall 4, and lock gall underseal 6 is arranged In the front end of spacing head.

It is provided with extension 501 on the front end face of skeleton 5, crescent hole 402 is provided in spacing head, lock gall underseal 6 is in The diameter of circular ring shape, centre bore 604 is identical as the diameter of keyhole 401, offers crescent on the medial surface of lock gall underseal 6 601, extension 501 passes through crescent hole 402 and is plugged into 601 in crescent；Cylinder is provided on the front end face of lock gall underseal 6 Protrusion 602 is provided with the groove 104 of the cooperation of cylindrical protrusions 602, when key is fully inserted into, cylindrical protrusions on key 1 602 are plugged into groove 104, and the rotation of key 1 drives lock gall underseal 6 to rotate, and lock gall underseal 6 drives skeleton 5 along 402 turns of crescent hole It is dynamic.Certainly, the key auxiliary section of the present embodiment is designed to cylindrical protrusions, also can be reversed design, the key on lock gall underseal Auxiliary section is designed to groove, is designed to protrusion on the key, meanwhile, the shape of key auxiliary section may be used also in addition to being designed to cylinder To design other arbitrary shapes such as squarely, triangle.It is, of course, also possible to sliding slot 505 be opened up on extension 501, in cunning Installation activity pin 16 in slot 505, while the tip designs of crescent hole 402 are at cross recess 406,601 end portion width of crescent and work The length matching of dynamic pin 16, removable pin 16 acts on the end of crescent 601, and when rotating key 1, lock gall underseal 6 is rotated, band While dynamic extension 501 rotates, removable pin 16 moves to terminated site by the initial position of crescent hole 402, at this time due to The two sides of removable pin 16 are arc-shaped, headed into cross recess 406 under the action of axial force, quilt after skeleton 5 rotate in place at this time Positioning.

There are five password unit, password unit includes proofreading ring 7, rotating angle for controlling check and correction ring 7 for setting on lock gall 4 Angle positioning device and the pressurizing unit that is pressed on skeleton 5 for ring 7 will to be proofreaded, check and correction ring 7 be mounted on lock gall 4, And the provided circumferentially about of check and correction ring 7 has ratchet 701 and check and correction slot 702.

Angle positioning device includes that fixing seat 8, lock bullet 9, spring (being not drawn into figure) and spring cup 10, fixing seat 8 connect On lock gall 4, and there is the shell hole 801 communicated with keyhole 401 in fixing seat 8, lock bullet 9 is designed to the shapes such as cylinder, pacifies In shell hole 801；The top of lock bullet 9 offers spring groove 901, and spring is mounted in spring groove 901, and spring cup 10 is by spring It covers, under original state, spring acts on lock bullet 9, puts in lock bullet 9 in keyhole 401；It locks and is connected with card on the side wall of bullet 9 Arm 902, under original state, spring acts on lock bullet 9, snaps fit onto snap arm 902 in initial bit ratchet slot；In the mistake of rotation key Cheng Zhong, key act on lock bullet 9, and lock bullet 9 is made to move out simultaneously compressed spring, and snap arm 902 is detached from ratchet slot, and check and correction ring 7 is squeezing It is rotated synchronously under the action of pressure device with skeleton 5, when proofreading the rotation predetermined angular of ring 7, locks bullet 9 not by the effect of key, bullet Spring rebound, snap arm 902 snap fit onto stop bit ratchet slot, proofread ring 7 at this time and are stopped operating by the effect of snap arm 902, this school Correct angle position is turned to ring 7；According to this principle, when a check and correction ring 7 rotates correct angle, this check and correction ring 7 is blocked The effect stopping of arm 902 and skeleton 5 rotate synchronously, and remaining check and correction ring still may continue to rotate synchronously with skeleton 5 at this time, until All check and correction rings 7 all rotate correct angle, and the check and correction slot 702 of all check and correction rings 7 is aligned at this time；The provided circumferentially about of skeleton 5 has Skeleton proofreads slot 502, and the provided circumferentially about of lock gall 4 has lock gall to proofread slot 403, when key turns special angle, all check and correction Slot 702 proofreads slot 502 with skeleton and lock gall check and correction slot 403 is aligned.

Connecting rod 11 and connecting rod base 12 are provided in lock housing 2, lock tongue 3 is cylindrical, and the tail portion of skeleton 5, lock tongue 3 is arranged in Bottom be provided with lock tongue check and correction slot, when all check and correction rings 7 all rotate correct angle, it is all proofread rings 7 check and correction slots 702 all Bottom is turned to, slot 702 is proofreaded at this time and is aligned with lock tongue check and correction slot, connecting rod base 12 is moved upwards by the effect of top spring, Connecting rod 11 is pushed to fall into check and correction slot 702, the both ends of connecting rod 11 respectively fall in lock gall check and correction slot 403 and lock tongue check and correction slot at this time In, key continues to rotate, and the rotation of lock tongue 3 is driven to complete to unlock.

In the present embodiment, locating piece 13 is provided in lock housing 2, the spacing head bottom of lock gall 4 is provided with locating notch 404, locating piece 13 pushes up under the action of elastic element into locating notch 404；Annular notch is provided on lock gall underseal 6 603, when original state, locating piece 13 pushes up the start-up portion to annular notch 603, annular notch under the action of elastic element 603 end section is inclined-plane or arcwall face, and when lock gall underseal 6 rotates special angle, locating piece 13 is by inclined-plane or arc The effect in face moves downward, so that locating piece 13 is detached from locating notch 404, lock gall 4 is rotated synchronously with skeleton 5 at this time.Starting When rotating key, lock gall 4 does not rotate, and when key 1 rotates special angle, all check and correction rings turn to correct angle, even The both ends of bar 11 are respectively fallen in lock gall check and correction slot 403 and lock tongue check and correction slot, are at this time ejected locating piece 13, are made lock gall 4 therewith Rotation, this location structure better assure that the accuracy of unlocking and reset.

Skeleton check and correction 502 two sides of slot can design camber, and such connecting rod 11 can more successfully fall into or deviate from bone Frame is proofreaded in slot 502；Spring is pushed up in order to facilitate the installation of, can open up spring eye at 12 bottom both ends of connecting rod base；Certainly the present invention Spring can also be replaced with elastic elements such as such as spring leafs.

It should be strongly noted that the size of key of this lock core depends on the number of teeth of ratchet 701 and the quantity of check and correction ring 7, In the present embodiment, the number of teeth of ratchet 701 is 10, for example, the corresponding angular range of each ratchet slot is 12 °, therefore proofreads ring 7 The correct angle of rotation just have 10 kinds of possibility such as 0 °, 12 °, 24 ° ..., 108 °, the quantity of check and correction ring 7 is 5, therefore entire lock The size of key of core is 10⁵.Certainly, the number of teeth of ratchet 701 and the quantity of check and correction ring 7 can be even more, and size of key is bigger, lock core Security performance it is better.

In embodiment, the diameter of the diameter Yu skeleton 5 of the spacing head of lock gall 4, check and correction ring 7, lock gall underseal 6 and lock tongue 3 It is identical；Mounting hole 201 and limit hole 202 are provided in lock housing 2, the diameter of limit hole 202 is less than the diameter of mounting hole 201, greatly In or equal to keyhole 401 diameter, and limit hole 202 is identical as the axial line of mounting hole 201, lock tongue 3, lock gall 4, skeleton 5, It proofreads ring 7 and lock gall underseal 6 to be arranged in mounting hole 201, and 3 part of lock tongue reaches mounting hole 201 outer (lock core can be Inside and outside pair is opened, and the extension of lock tongue acts on clipped)；Crank-guide way 203, connecting rod base mounting groove are provided in lock housing 2 204 and locating piece mounting groove 205, connecting rod 11 is arranged in crank-guide way 203, and connecting rod base 12 is arranged in connecting rod base mounting groove In 204, locating piece 13 is arranged in locating piece mounting groove 205, when installation, can open up slot, connecting rod in the bottom of lock housing 2 11, connecting rod base 12 and locating piece 13 are fitted into lock housing 2 by bottom slot, are then again sealed the bottom of lock housing 2 by patch It closes.

In the present embodiment, snap arm slot 802 is provided in the axial sides of fixing seat 8, snap arm 902 is mounted on snap arm slot In 802；Not perforative dovetail groove 803 is provided in the peripheral side of fixing seat 8, and (the side opening direction of dovetail groove 803 is key The direction of rotation that spoon is opened), spring cup snap arm slot 111 is provided on the inner wall of spring cup 10, when key acts on lock bullet 9, Lock bullet 9 moves out and compressed spring, and snap arm 902 is fallen into spring cup snap arm slot 111 at this time；It is arranged on the inner wall of spring cup 10 There is sliding block 112 corresponding with dovetail groove, sliding block 112 is mounted in dovetail groove 803；Fluted 113 are opened up on sliding block 112, groove 113 for installing spring.

In the present embodiment, spring cup 10 be tile, and spring cup 10 with proofread ring 7 adjacent part offer it is scarce Mouthfuls 114, under original state, the step surface 703 proofreaded on ring 7 is acted at the notch 114 of spring cup 10；Skeleton 5 is by several The spacer ring composition being spaced apart, when skeleton 5 rotates special angle, the coupling part between two adjacent spacer rings acts on spring cup On 10.When key turns special angle, the check and correction slots 702 of all check and correction rings 7 turn to bottom, between two adjacent spacer rings Coupling part acts on spring cup 10；When key turns round special angle, the correspondence step surface 703 of check and correction ring 7 acts on bullet At the notch 114 of spring lid 10, key returns to initial position at this time.Since the rotation angle of skeleton 5 and check and correction ring 7 is by spring cup 10 limitation is more advantageous to guarantees that skeleton 5 and check and correction ring 7 accurately return to initial position in this way.Certainly, spring cup 10 can also become Narrow, so that check and correction ring 7 is got along well, spring cup 10 is interfered, and such user can proofread one by one each check and correction ring 7 by tool Rotation angle (when check and correction, angle index can be increased in the end face of lock core, according to the explanation of lock core school one by one to be unlocked To)

In the present embodiment, in two adjacent spacer rings of skeleton, it is provided with open slot 503 on one of spacer ring, squeezes Device is mounted in open slot 503, and pressurizing unit includes squeezing spring (being not drawn into figure) and crushing block 14, in order to facilitate the installation of Spring offers spring eye in the tail portion of crushing block 14, squeezes spring and be mounted in spring eye, since crushing block 14 is squeezed The active force of spring, therefore crushing block 14 acts on check and correction ring 7, and check and correction ring 7 is pressed on adjacent spacer ring.

In the present embodiment, it offers installation gap 804 corresponding with fixing seat 8 in skeleton 5, when mounting framework 5, will pacify 804 alignment and fixation seat 8 of notch is filled, 5 sets of skeleton can be thus attached on lock gall 4.

Embodiment 2

In the present embodiment, tail ridge block 405 is arranged in the tail portion of lock gall 4, and the tail portion of skeleton 5 offers slot 504, slot It is provided with fixed check and correction ring 15 in 504, offering notch 151 corresponding with tail ridge block 405 in fixed check and correction ring 15, when installation, Fixed check and correction ring 15 is installed in slot 504 first, it, can be 5 sets by skeleton then again by 405 alignment notch 151 of tail ridge block It is attached on lock gall 4, after installation, tail ridge block 405 is in notch 151；Fixed check and correction the provided circumferentially about of ring 15 has fixed check and correction Slot 152, fixed check and correction slot 152 are aligned with lock gall check and correction slot 403, and slot 152 is proofreaded by fixed always in the both ends of such connecting rod 11 With the effect of lock gall check and correction slot 403, will not twist.

Embodiment 3

Check and correction ring 7 is composed of check and correction base 71 and check and correction piece 72, and ratchet 701 is provided on check and correction base 71, proofreads slot 702 It is provided on check and correction piece 72, more easily check and correction ring 7 can be assembled on lock gall 4 in this way, meanwhile, the key loss the case where Under, check and correction piece 72 can be only needed replacing, the angle position of check and correction slot 702 is changed, without replacing entire lock core.When So, proofread base 71 and proofread piece 72 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 figure 19, the matched key 1 of this lock core includes cylindrical body 101 and key handle 102, and cylindrical body 101 is in rank Terraced shaft-like is distinguished by the sequencing of key insertion, is divided into leading portion and middle section, the diameter phase of the diameter and keyhole 401 of leading portion Together, the diameter in middle section is identical as 202 diameter of limit hole in lock housing 2, and the bullet slot 103 of 5 different in width, bullet are provided on leading portion The depth of slot is greater than or equal to the built-in length of lock bullet 9, plays the circumferential corresponding angular range of slot 103 and is greater than or equal to check and correction ring Maximum rotation angle and the difference for being actually rotated in place angle of check and correction ring (such as when all check and correction rings all rotate in place, are proofreaded The maximum rotation angle of ring is 108 °, and the angle that is rotated in place for corresponding to check and correction ring is 36 °, at this time the corresponding bullet slot of the check and correction ring Width should be greater than or be equal to 72 °), it is arranged fluted 104 on the end face in middle section, the cylinder on this groove 104 and lock gall underseal 6 Protrusion 602 cooperates, and during key turns, key acts on lock bullet 9, jacks up lock bullet 9, snap arm 902 is detached from initially Position ratchet slot, when check and correction ring 7 rotates to correct angle, lock bullet 9 is sprung back under the action of the spring, and lock bullet 9, which is topped back, to be played in slot.

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, key handle 102 can be the shapes such as rectangular, cylindrical, but rotate for convenience, key hand Handle 102 designs squarely；In order to facilitate carrying, be provided with hanging hole 105 on key handle 102, 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, the cylindrical protrusions 602 on lock gall underseal 6 are plugged into key 1 In the groove 104 in middle section, skeleton 3 is driven to rotate；Under original state, snap arm 902 is connected in first ratchet slot, is turned in key In dynamic process, key acts on lock bullet 9, and lock bullet 9 is made to move out simultaneously compressed spring, and snap arm 902 is detached from ratchet slot, proofreads ring 7 rotate synchronously under the action of pressurizing unit with skeleton 5, when key turns certain angle, lock bullet 9 not by the effect of key, Recoil of spring, snap arm 902 snap fit onto another ratchet slot, and check and correction ring 7 is stopped operating by the effect of snap arm 902, this check and correction Ring 7 turns to correct angle position；According to this principle, when a check and correction ring 7 rotates correct angle, this check and correction ring 7 is by snap arm 902 effect stopping and skeleton 5 rotate synchronously, and remaining check and correction ring still may continue to rotate synchronously with skeleton 5 at this time, until institute There is check and correction ring 7 all to rotate correct angle, the coupling part between two adjacent spacer rings acts on spring cup 10, all check and correction rings at this time 7 check and correction slot 702 is aligned, and is proofreaded slot 702, skeleton check and correction slot 502 and lock gall check and correction slot 403 and be aligned, at this time locating piece 13 It is ejected by key 1, rotates synchronously lock gall 4 with skeleton 5, when check and correction slot 702 turns to bottom, proofread slot 702 and lock tongue Slot alignment is proofreaded, connecting rod base 12 is moved upwards by the effect of top spring, is pushed connecting rod 11 to fall into check and correction slot 702, is connected at this time The both ends of bar 11 are respectively fallen in lock gall check and correction slot 403 and lock tongue check and correction slot, and key continues to rotate, and the rotation of lock tongue 3 is driven to complete It unlocks.

When extracting key, key 1 is turned round first, and under the action of connecting rod 11, lock gall 4 and lock tongue 3 are moved back with the rotation of skeleton 5 Initial position is returned, locating piece 13 is pushed up back under the action of the spring in locating notch 404 at this time, and limitation lock gall 4 continues to rotate, then Continue to turn round key, connecting rod 11 pushes connecting rod base 12 to move downward compression top spring under the action of lock gall 4, and connecting rod 11 is detached from school To slot 702, due to the one-way of ratchet, during revolution, snap arm 902 is rotated without limitation on check and correction ring 7, therefore proofreads ring 7 continue to turn round under the action of pressurizing unit with skeleton 5, until check and correction ring 7 retracts initial angle, snap arm 902 retracts the at this time One ratchet slot and be restricted, when key turn round special angle when, proofread ring 7 on step surface 703 top to spring cup 7 lack Mouth 114, respectively check and correction ring 7 retracts initial position at this time, finally extracts key again.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of wheel mortice lock, including lock housing and lock gall, the lock gall are mounted in lock housing, and be provided on the end face of lock gall for The keyhole of key insertion；It is characterized by:

Further include circular hollow skeleton and lock gall underseal, the lock gall be it is columnar structured, be made of construction section and spacing head, institute The diameter for stating construction section is less than the diameter of spacing head, and the skeleton set is attached on the construction section of lock gall, the lock gall underseal setting In the front end of spacing head；

It is provided with extension on the front end face of the skeleton, crescent hole is provided in the spacing head, the lock gall underseal Crescent is offered on medial surface, the extension passes through crescent hole and is plugged into crescent；It is arranged on the lock gall underseal There is key auxiliary section, when key is fully inserted into, key acts on key auxiliary section, drives the rotation of lock gall underseal, lock gall underseal Skeleton is driven to rotate along crescent hole；

Several password units are provided on the lock gall, the password unit includes proofreading ring and lock bullet, on the check and correction ring It is provided with ratchet and check and correction slot, and proofreads ring and is pressed on skeleton；The lock bullet protrudes into keyhole, and on the side wall of lock bullet It is provided with snap arm, the snap arm is caught in the initial bit ratchet slot of check and correction ring；It is fully inserted into key and rotates the process of key In, lock bullet is jacked up by key effect, and snap arm is made to be detached from initial bit ratchet slot, and check and correction ring is rotated synchronously with skeleton；In check and correction ring When rotating predetermined angular, 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, 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. wheel mortice lock according to claim 1, which is characterized in that locating piece is provided in the lock housing, the lock gall Spacing head bottom is provided with locating notch, and locating piece pushes up under the action of elastic element into locating notch；The lock gall underseal On be provided with annular notch, when original state, locating piece pushes up the start-up portion to annular notch, ring under the action of elastic element The end section of v notch v is inclined-plane or arcwall face, and when lock gall underseal rotates special angle, locating piece is by inclined-plane or arc The effect in face moves downward, so that locating piece is detached from locating notch, lock gall is rotated synchronously with skeleton at this time.

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

4. wheel mortice lock according to claim 1, which is characterized in that several fixing seats are provided on the lock gall, it is described Password unit includes spring and spring cup, and shell hole is provided in the fixing seat, is provided with snap arm in the axial sides of fixing seat Slot, the lock bullet are 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, is provided with not in the peripheral side of fixing seat Perforative dovetail groove is provided with sliding block corresponding with dovetail groove on the inner wall of the spring cup, and the sliding block is fixed on dovetail groove In.

5. wheel mortice lock according to claim 4, which is characterized in that the spring cup is tile, and spring cup and school The adjacent part of ring is opened up jagged, under original state, proofreads the step surface on ring and act on the indentation, there of spring cup；It is described Skeleton is made of the spacer ring that several are spaced apart, the coupling part when skeleton rotates special angle, between two adjacent spacer rings It acts on spring cup.

6. wheel mortice lock according to claim 1, which is characterized in that the diameter of the spacing head and lock gall underseal, skeleton, school It is identical to the diameter of ring with lock tongue；Mounting hole and limit hole are provided in the lock housing, the diameter of the limit hole is less than installation The diameter in hole, 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, school Ring, lock gall underseal and lock tongue are arranged in mounting hole, and lock tongue part reaches outside mounting hole；It is provided in the lock housing Crank-guide way and connecting rod base mounting groove, the connecting rod are arranged in crank-guide way, and the connecting rod base setting is installed in connecting rod base In slot.

7. wheel mortice lock according to claim 1, which is characterized in that the spacer ring group that the skeleton is spaced apart by several At in two adjacent spacer rings, open slot is provided on one of spacer ring, pressurizing unit, institute are provided in the open slot Stating pressurizing unit includes that extruding spring and crushing block, the extruding spring act on crushing block, and check and correction ring is pressed to another On spacer ring.

8. wheel mortice lock according to claim 1, which is characterized in that tail ridge block, the skeleton is arranged in the tail portion of the lock gall Tail portion offer slot, fixed check and correction ring is provided in the slot, the bottom of the fixed check and correction ring is provided with fixed school To slot, it is provided with notch corresponding with tail ridge block in fixed check and correction ring, the tail ridge block is mounted in the notch.

9. wheel mortice lock 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 parts group It closes, 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 for taking turns mortice lock as described in any one of claim 1-9, including cylindrical body and key handle, feature It is, the cylindrical body is made of key leading portion and key middle section, is provided with several different in width on the key leading portion Slot is played, the depth for playing slot is greater than or equal to the built-in length of lock bullet, plays the circumferentially corresponding angle of slot and is greater than or equal to check and correction ring Maximum rotation angle and the difference for being actually rotated in place angle for proofreading ring；Pair of key auxiliary section is provided on the key middle section Answer structure.