WO2021022480A1

WO2021022480A1 - Automatic code-shuffling combination lock

Info

Publication number: WO2021022480A1
Application number: PCT/CN2019/099456
Authority: WO
Inventors: 李议建
Original assignee: 厦门美科安防科技有限公司
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2021-02-11

Abstract

Disclosed is an automatic code-shuffling combination lock, comprising a panel, a character wheel assembly, a knob and a fixing base; the knob is rotatably mounted between the panel at the top and the fixing base at the bottom; the character wheel assembly is mounted within the knob, and a character wheel and auxiliary bushing of the character wheel assembly are movably locked in position. The present invention is capable of automatically shuffling a code during locking and is very safe.

Description

An automatic garbled code lock

技术领域Technical field

The invention relates to the field of mechanical code locks, in particular to an automatic garbled code lock.

背景技术Background technique

Mechanical code locks are widely used in the market because of their good security and easy-to-use advantages; however, the existing mechanical code locks need to manually dial the code to prevent the code from leaking after being locked. Therefore, it needs a method that can automatically dial when the lock is locked. Combination lock with chaotic codes.

发明内容Summary of the invention

The purpose of the present invention is to provide an automatic garbled code lock, which can automatically dial the garbled code when locked.

In order to achieve the above objective, the solution of the present invention is:

An automatic garbled code lock, including a panel, a character wheel assembly, a knob and a fixing seat; the knob is rotatably installed between the panel and the fixing seat up and down, the top of the knob is open; the character wheel assembly is installed in the knob, so The character wheel assembly includes a mandrel, n bushing components that can be moved sleeved with the mandrel, and n character wheels respectively sleeved with each bushing assembly, n is an integer greater than or equal to 2, and each bushing assembly abuts against each other The two ends of the mandrel are divided into a first end and a second end, and the n bushing components are sequentially divided into the first bushing assembly to the n-th bushing assembly along the direction from the first end to the second end of the mandrel; Each bushing component includes two bushings sleeved on the mandrel and abutting against each other. The two bushings of the i-th bushing component are divided into the i-th in the direction from the first end to the second end of the mandrel. For the auxiliary bushing and the i-th main bushing, i is an integer from 1 to n; the i-th main bushing inner wall is provided with an i-th main bushing through groove, and the i-th auxiliary bushing inner wall is provided with an i-th auxiliary bushing through groove; The n character wheels are sequentially divided into the first character wheel to the nth character wheel along the direction from the first end to the second end of the mandrel. The panel is provided with n characters for the first character wheel to the nth character wheel to be inserted respectively Wheel hole, in which the i-th character wheel is movably sleeved with the i-th main bush and the i-th sub-bush. The i-th character wheel is movably meshed with the i-th main bushing, and the i-th character wheel is provided with a i positioning protrusion, the outer wall of the i-th auxiliary bushing is provided with an i-th garbled protrusion that movably interferes with the position of the i-th positioning protrusion; the first end of the mandrel is fitted with a push block that can move axially along the mandrel , The inner side of the push block abuts against the first auxiliary bushing and a first return spring for driving the push block to reset is provided between the push block and the first end of the mandrel, and the outer side of the push block is fitted with a limit pin; A second return spring is provided between the two ends and the n-th main bush; n+1 mandrel protrusions arranged in a straight line are sequentially arranged on the mandrel along the direction from the first end to the second end of the mandrel, The n+1 mandrel protrusions are sequentially divided into the first mandrel protrusion to the n+1th mandrel protrusion along the direction from the first end to the second end of the mandrel; the i-th mandrel protrusion and the i-th auxiliary liner The i-th auxiliary bushing groove of the sleeve is engaged, and the i+1th mandrel protrusion is movably engaged with the i-th main bushing groove of the i-th main bush; when the first character wheel to the nth character wheel are in the correct password In position, the first main bushing through groove to the nth main bushing through groove and the first auxiliary bushing through groove to the nth auxiliary bushing through groove are aligned with the mandrel protrusions of the mandrel to make each bushing The component can move axially along the mandrel; the inner wall of the knob is provided with a closed and locked position through slot, an open and locked position through groove, and a garbled arc boss. The two ends of the garbled arc boss are respectively connected with the closed and locked position through grooves Connected, the limit pin is slidingly matched with the through groove of the locked position, the through groove of the unlocked position, and the arc-shaped boss of garbled code; when the automatic garbled code lock is unlocked, the knob is turned in the positive direction, and the limit pin is locked from the closed position. The through slot is moved to the open and locked position; when the automatic garbled code lock is locked, the knob is turned in the reverse direction, and the limit pin moves from the open and locked position through the garbled arc boss to the closed and locked position through slot; When the position pin is fitted into the locking position through groove, each bushing assembly moves to the locked position. At this time, the i-th auxiliary bushing through groove is engaged with the i-th mandrel protrusion, and the i-th main bushing through groove is disengaged From the engagement with the i+1th mandrel convex block, the i-th main bush is engaged with the i-th character wheel, and the first positioning convex to the nth positioning convex and the first to the nth garbled bump are completely Dislocation; when the limit pin is in contact with the garbled arc boss, each bushing assembly moves to the garbled position. At this time, the i-th auxiliary bushing through groove engages with the i-th mandrel protrusion, and the i-th main bushing through groove is separated from Engagement of the i+1th mandrel convex block, the i-th main bush is engaged with the i-th character wheel, the i-th positioning convex block is opposite to the i-th garbled convex block; a transmission is provided between the knob and the second end of the mandrel Mechanism, the rotation of the knob drives the mandrel to rotate around the central axis of the mandrel through the transmission mechanism; and when the limit pin is moving in the garbled arc-shaped boss, the knob drives the mandrel to rotate at least one circle through the transmission mechanism.

The inner wall of the knob is also provided with a reset arc boss. The two ends of the reset arc boss are respectively connected with the closed lock position through groove and the unlock position through groove, and the reset arc boss and the garbled arc boss are misaligned up and down. Setting and resetting the arc-shaped boss protrudes inwardly with a garbled arc-shaped boss; the limit pin can be moved up and down to fit on the push block, and the push block is also matched with a limit pin for driving the limit pin to reset Reset spring; the limit pin is in sliding fit with the reset arc-shaped boss; and when the automatic garbled code lock is unlocked, the knob is turned forward, and the limit pin is reset from the locked position through the reset arc The boss moves to the open and locked position through slot; when the limit pin is in the process of resetting the arc-shaped boss, the knob drives the mandrel to rotate at least one circle through the transmission mechanism; the outer wall of the jth main bush is provided with the j+th 1 The j+1 cipher block of the locating bump that moves against the card position, j is an integer from 1 to n-1; the outer wall of the first auxiliary bush is provided with the first cipher that moves against the card position of the first locating bump Bump; when each bushing component moves to the locked position or the locked position or the garbled position, the first positioning bump to the nth positioning bump and the first password bump to the nth password bump are completely misaligned; and when the limit When the position pin conflicts with the reset arc boss, each bushing assembly moves to the reset position. At this time, the i-th auxiliary bushing through groove engages with the i-th mandrel projection, and the i-th main bushing through groove and the i+th 1 The mandrel projections are engaged, the i-th main bush is out of engagement with the i-th character wheel, the i-th encryption projection is opposite to the i-th positioning projection, and the first to the n-th positioning projections and the first garbled projection The block to the nth garbled bump are completely misaligned.

The knob is matched with a rotatable lock cylinder, and a lock cylinder hole is provided on the panel corresponding to the lock cylinder; the outer wall of the nth main bush is provided with an n+1th code bump; the knob is also matched with a lock A code search piece that is linked with the core. The code search piece is provided with the first clamping part to the nth clamping part that move up and down with the rotation of the lock core, and the i-th clamping part to the i+1th code bump is movable Abut the card position; the position of the i+1th password bump and the i-th main bushing through slot is set to: when the i+1th password bump and the i-th locking part abut against the card position, the i-th main bushing The through groove is aligned with the i+1th mandrel protrusion.

The reset arc-shaped boss is located above the garbled arc-shaped boss, and both ends of the reset arc-shaped boss are respectively connected to the closed locking position through groove and the open locking position through groove through the first inclined guide surface and the second inclined guide surface , The two ends of the garbled arc boss are respectively connected with the lock lock position through slot and the unlock position slot through the first inclined pushing surface and the second inclined pushing surface, and the reset arc protrusion is formed on the lower side of one end adjacent to the open lock position slot A guiding inclined surface inclined obliquely downward; the limit pin reset spring is used to drive the limit pin to move upward.

When the automatic garbled code lock is unlocked, the knob is rotated in the forward direction, and the limit pin moves from the through slot of the closed lock position to the through groove of the unlocked position through the garbled arc convex platform.

The two ends of the garbled arc boss are respectively connected with the closed locking position through groove and the unlocked position through groove through the first inclined pushing surface and the second inclined pushing surface, and the garbled arc boss is formed with a protrusion at one end adjacent to the closed locking position through groove A stopper, one end of the stopper adjacent to the through groove of the closed lock position is formed with a first stopper slope that is connected to the first slope, and the lower side of the stopper forms a second stopper slope that slopes downward; the limit pin may The up and down movement is matched with the push block, and the push block is also matched with a limit pin reset spring for driving the limit pin to reset, and the limit pin reset spring is used to drive the limit pin to move up.

A sliding groove is provided on the outer side of the pushing block, the limit pin is slidably connected in the sliding groove up and down, and the upper and lower ends of the limit pin reset spring respectively abut against the bottom of the limit pin and the bottom wall of the sliding groove.

The knob is fitted with a rotatable lock cylinder, and a lock cylinder hole is provided on the panel corresponding to the lock cylinder; the outer wall of the i-th main bush is provided with an i+1th code bump; the knob is also matched with the lock cylinder Movable matching code search piece, the code search piece is provided with the first clamping part to the nth clamping part that move up and down with the rotation of the lock cylinder, and the i-th clamping part movably abuts against the i+1th code convex block respectively Card position; the position of the i+1th password bump and the i-th main bushing through slot is set to: when the i+1th password bump and the i-th locking part abut the card position, the i-th main bushing The through groove is aligned with the i+1th mandrel protrusion.

The character wheel assembly is fitted in a character wheel box, the limit pin passes through the character wheel box, the second end of the character wheel shaft passes through the character wheel box, and the top of the character wheel box is open; At the bottom of the wheel box, one side of the code-searching piece is provided with upwardly tilted first to n-th holding parts; the other side of the code-searching piece is provided with a stopper that extends out of the character wheel box and can move up and down Plate; between the other side of the code search piece and the character wheel box is provided with a code search reset spring that drives the baffle to move down; the lock core is fitted with a cam block, and the top of the cam block is provided with an inclined first cam surface , The first cam surface is in sliding fit with the bottom surface of the baffle.

The outer wall of the i-th character wheel is provided with a plurality of i-th character wheel positioning grooves corresponding to the character code of the i-th character wheel; a positioning piece is fitted in the character wheel box, and n elastic claws are provided on the positioning piece. The claws are sequentially from the first elastic claw to the n-th elastic claw, and the i-th elastic claw is movably fitted with each i-th character wheel positioning groove of the i-th character wheel.

The unlocking position through groove is arranged such that when the limit pin is fitted in the unlocking position through groove, the i-th auxiliary bushing through groove engages with the i-th mandrel protrusion, and the i-th main bushing through groove is the i+th 1 The mandrel projections are engaged, the first positioning projections to the nth positioning projections are completely misaligned with the first to the nth garbled projections, and the i-th main bush is out of engagement with the i-th character wheel.

A movable password change button is matched in the open and locked position through slot, the outer end of the password change button passes through the knob, and the inner end of the password change button moves against the limit pin.

The transmission mechanism includes an arc-shaped protrusion arranged in the knob and a transmission gear arranged on the second end of the mandrel. The arc-shaped protrusion is arranged concentrically with the knob, and the upper end surface of the arc-shaped protrusion is provided with a plurality of transmissions along its circumference. Tooth, the transmission gear is connected with the second end of the core shaft and movably meshes with each transmission tooth.

The bottom of the knob is matched with a lock cylinder tail, and the lock cylinder tail is matched with a lock tongue; the fixing seat is provided with a perforation for the lock cylinder tail to pass through, and the fixing seat and the panel are fixedly connected with a screw passing through the knob. The bottom wall of the knob There are sliding holes for screws to slide.

A rotatable lock cylinder is fitted in the knob, and a lock cylinder hole is provided on the panel corresponding to the lock cylinder; a sector gear is provided on the lock cylinder; the upper part of the lock cylinder tail is rotatably fitted on the bottom of the knob, and the lock The upper part of the core tail is provided with a driven gear that movably cooperates with the sector gear; the upper side wall of the lock core tail is provided with a limit groove; the inner bottom wall of the knob is matched with a rotatable swing arm and a resetting arm Swing arm restoring piece; the two ends of the swing arm are divided into a buckle end and a linkage end. The buckle end is provided with a buckling part that is movably buckled with the limit groove. The linkage end is linked with the lock core. The buckling part buckles or disengages the limiting groove with the rotation of the lock core, and when the buckling part is disengaged from the buckling with the limiting groove, the sector gear and the driven gear are drivingly matched.

The lock cylinder is fitted with a cam block, the outer wall of the cam block is provided with a second cam surface whose radius gradually expands along the circumferential direction of the lock cylinder, and the second cam surface is in sliding fit with the side surface of the linkage end of the swing arm.

After adopting the above solution, when the present invention turns the knob reversely to perform locking, because when the limit pin is moving in the garbled arc-shaped boss, the knob drives the mandrel to rotate at least one circle through the transmission mechanism, and the i-th The through groove of the auxiliary bushing engages with the protrusion of the i-th mandrel, the through groove of the i-th main bush is out of engagement with the protrusion of the i+1-th mandrel, the i-th main bush is engaged with the i-th character wheel, and the i-th positioning protrusion The block is opposite to the i-th garbled bump, so that the mandrel will rotate at least one round so that the i-th garbled bump can interfere with the i-th positioning bump and drive the i-th character wheel and the i-th main bush to rotate, thereby automatically turning the chaos Password to hide the password.

附图说明Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention;

Figure 2 is an exploded view of Embodiment 1 of the present invention;

Fig. 3 is a structural diagram 1 of the knob of the first embodiment of the present invention;

4 is a schematic diagram 2 of the structure of the knob in the first embodiment of the present invention;

5 is a partial structural diagram of the limiting pin in the first embodiment of the present invention when it is fitted into the through groove of the closed locking position;

6 is a cross-sectional view 1 when the limiting pin of the first embodiment of the present invention is inserted into the through groove of the closed locking position;

7 is a cross-sectional view 2 of the limiting pin of the first embodiment of the present invention when it is fitted into the through groove of the closed locking position;

FIG. 8 is a schematic diagram of a partial structure of the limiting pin in the first embodiment of the present invention when it interferes with the reset arc-shaped boss;

9 is a cross-sectional view 1 when the limit pin of the first embodiment of the present invention is in contact with the reset arc-shaped boss;

10 is a cross-sectional view 2 when the limit pin in the first embodiment of the present invention is in contact with the reset arc-shaped boss;

11 is a cross-sectional view 3 when the limit pin of the first embodiment of the present invention is in contact with the reset arc-shaped boss;

12 is a partial structural diagram of the limiting pin in the first embodiment of the present invention when it is fitted into the through groove of the unlocking position;

13 is a cross-sectional view 1 when the limiting pin of the first embodiment of the present invention is inserted into the through groove of the unlocking position;

14 is a cross-sectional view 2 when the limiting pin of the first embodiment of the present invention is inserted into the through groove of the unlocking position;

15 is a cross-sectional view 3 when the limiting pin of the first embodiment of the present invention is inserted into the through groove of the unlocking position;

16 is a schematic diagram of a partial structure when the limit pin in the first embodiment of the present invention is in contact with the garbled arc-shaped boss;

17 is a cross-sectional view 1 when the limit pin of the first embodiment of the present invention is in contact with the garbled arc-shaped boss;

18 is a cross-sectional view 2 when the limit pin in the first embodiment of the present invention is in contact with the garbled arc boss;

19 is a schematic diagram of a partial structure when the buckling portion is buckled with the limiting groove according to the first embodiment of the present invention;

20 is a schematic diagram of a partial structure when the buckling portion is disengaged from the buckling of the limiting groove in the first embodiment of the present invention;

Figure 21 is an exploded view of the second embodiment of the present invention;

Fig. 22 is a structural diagram 1 of the knob of the second embodiment of the present invention;

FIG. 23 is a structural diagram 2 of the knob of the second embodiment of the present invention;

24 is a partial structural diagram of the second embodiment of the present invention when the limiting pin is fitted into the through groove of the closed locking position;

25 is a schematic diagram of a partial structure of the second embodiment of the present invention when the limit pin is in contact with the garbled arc-shaped boss;

26 is a cross-sectional view of the second embodiment of the present invention when the limit pin is in contact with the garbled arc boss;

27 is a partial structural diagram of the second embodiment of the present invention when the limiting pin is fitted into the through groove of the unlocking position;

Figure 28 is a cross-sectional view of the second embodiment of the present invention when the limiting pin is inserted into the through groove of the unlocking position;

FIG. 29 is a schematic diagram of a partial structure when the password is changed in the second embodiment of the present invention; FIG.

30 is a cross-sectional view of the second embodiment of the present invention when changing the password;

31 is a partial structural diagram of the limiting pin of the second embodiment of the present invention when it passes through the inclined surface of the second block;

32 is a cross-sectional view of the limiting pin of the second embodiment of the present invention when it passes through the inclined plane of the second block;

33 is a schematic diagram of a partial structure when the buckling portion is buckled with the limiting groove according to the second embodiment of the present invention;

34 is a partial structural diagram of the second embodiment of the present invention when the buckling part is disengaged from the buckling of the limiting groove;

35 is an exploded schematic diagram 1 of the character wheel assembly of the present invention;

Figure 36 is an exploded schematic diagram 2 of the character wheel assembly of the present invention;

Figure 37 is a schematic diagram of the cooperation between the lock core and the character wheel assembly of the present invention;

Figure 38 is a schematic view of the structure of the cam block and sector gear of the present invention;

Figure 39 is a schematic diagram 1 of the present invention for password retrieval;

Figure 40 is a schematic diagram 2 of the present invention for password retrieval;

【Label Description 】:

Panel 1, character wheel hole 11, lock core hole 12,

Character wheel assembly 2, mandrel 20, first end 201, positioning groove 2011, second end 202,

The first mandrel protrusion 203, the second mandrel protrusion 204, the third mandrel protrusion 205, the fourth mandrel protrusion 206, the fifth mandrel protrusion 207,

First bushing assembly 21, first auxiliary bushing 211, first auxiliary bushing through groove 2111, first garbled bump 2112, first password bump 2113, first main bushing 212, first axial insert 2121, the first main bushing through groove 2122, the second password bump 2123, the second bushing assembly 22, the second auxiliary bushing 221, the second auxiliary bushing through groove 2211, the second garbled bump 2212, the second Main bushing 222, second axial insert 2221, second main bushing through groove 2222, third password projection 2223, third bushing assembly 23, third auxiliary bushing 231, third auxiliary bushing through groove 2311, the third garbled bump 2312, the third main bushing 232, the third axial insert 2321, the third main bushing through slot 2322, the fourth password bump 2323,

The fourth bushing assembly 24, the fourth auxiliary bushing 241, the fourth auxiliary bushing through slot 2411, the fourth garbled bump 2412, the fourth main bushing 242, the fourth axial insert 2421, the third main bushing Through slot 2422, fifth password bump 2423,

The first character wheel 25, the first axial groove 251, the first positioning protrusion 252, the first character wheel positioning groove 253,

The second character wheel 26, the second axial groove 261, the second positioning protrusion 262, the second character wheel positioning groove 263,

The third character wheel 27, the third axial groove 271, the third positioning protrusion 272, the third character wheel positioning groove 273,

The fourth character wheel 28, the fourth axial groove 281, the fourth positioning projection 282, the fourth character wheel positioning groove 283,

Character wheel box 29, positioning piece 291, first elastic claw 2911, second elastic claw 2912, third elastic claw 2913, fourth elastic claw 2914,

Knob 3, sliding hole 31, closed lock position through slot 32, open lock position through slot 33, through hole 331, password change button 332, garbled arc boss 34, first inclined push surface 341, second inclined push surface 342, stop Block 343, first stop oblique surface 3431, second stop oblique surface 3432, reset arc boss 35, first oblique guide surface 351, second oblique guide surface 352, guide oblique surface 353, swing arm 36, buckle end 361, buckle portion 3611, linkage end 362, swing arm reset piece 37,

Lock core tail 4, lock tongue 41, driven gear 42, transition gear 43, limit slot 44, fixed seat 5, perforation 51, stud 52, nut 53,

Push block 6, chute 60, limit pin 61, limit pin return spring 62,

Transmission mechanism 7, arc-shaped projection 71, transmission teeth 711, transmission gear 72,

Lock core 8, emergency key 81, cam block 82, first cam surface 821, second cam surface 822, sector gear 83,

Code searching member 9, first clamping portion 91, second clamping portion 92, third clamping portion 93, fourth clamping portion 94, baffle 95, code searching return spring 96,

Screw s, screw d,

The first return spring T1, the second return spring T2.

具体实施方式detailed description

In order to further explain the technical scheme of the present invention, the present invention will be described in detail below through specific embodiments.

Example one:

As shown in Figures 1 to 20 and Figures 35 to 40, in the first embodiment of the present invention, an automatic garbled code lock includes a panel 1, a character wheel assembly 2, a knob 3, and a fixing seat 5; wherein the knob 3 It is rotatably fitted between the panel 1 and the upper and lower fixing base 5, the top of the knob 3 is open, the knob 3 can be fitted with a locking tongue 41, and the character wheel assembly 2 is installed in the knob 3.

Specifically, in the first embodiment of the present invention, as shown in FIGS. 2 to 4, the bottom of the knob 3 is fitted with a lock cylinder tail 4, and the lock cylinder tail 4 is fitted with a lock tongue 41, which can be passed through screws. It is locked on the lock cylinder tail 4; the fixing base 5 can be provided with a stud 52 fitted with a nut 53 for connecting the fixing base 5 with the door panel; and the fixing base 5 is provided for the lock cylinder tail 4 to pass through The perforation 51 can be formed in the stud 52, that is, the stud 52 is a hollow structure; the fixing seat 5 and the panel 1 are fixedly connected by a screw d passing through the knob 3, and the bottom wall of the knob 3 is provided with The sliding hole 31 for the screw d to slide, so that the knob 3 can rotate relative to the panel 1 and the fixing base 5.

In the first embodiment of the present invention, as shown in FIGS. 5 to 18 and FIGS. 35 and 36, the character wheel assembly 2 includes a mandrel 20, a movable sleeve assembly of n bushing assemblies of the mandrel 20, and There are n character wheels housing each bushing component, where n is an integer greater than or equal to 2. In the first embodiment of the present invention, n is four as an example for illustration; both ends of the mandrel 20 are divided into first ends 201 And the second end 202, the four character wheels are divided into the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel in the direction from the first end 201 to the second end 202 of the mandrel 20. Wheel 28; each bushing component abuts each other, the four bushing components along the first end 201 to the second end 202 of the mandrel 20 are divided into a first bushing component 21, a second bushing component 22, a first The three bushing components 22 and the fourth bushing component 23; each of the bushing components includes two bushings sleeved on the mandrel 20 and abutting against each other. The two bushings of the first bushing component 21 run along the core The direction from the first end to the second end of the shaft 20 is sequentially divided into a first auxiliary bushing 211 and a first main bushing 212. The inner wall of the first main bushing 212 is provided with a first main bushing through groove 2122, and the first auxiliary bushing The inner wall of the sleeve 211 is provided with a first auxiliary bushing through groove 2111; the first character wheel 25 is movably sleeved with the first auxiliary bushing 211 and the first main bushing 212, and the inner wall of the first character wheel 25 is provided with a plurality of equally spaced The first axial insertion groove 251, the outer wall of the first main bushing 212 is provided with first axial insertion blocks 2121 movably engaged with each of the first axial insertion grooves 251 so that the first main bushing 212 and the first character wheel 25 Active engagement; the two bushes of the second bushing assembly 22 are divided into a second auxiliary bushing 221 and a second main bushing 222 in turn along the direction from the first end 201 to the second end 202 of the mandrel 20, the second main The inner wall of the bushing 222 is provided with a second main bushing through groove 2222, and the inner wall of the second auxiliary bushing 221 is provided with a second auxiliary bushing through groove 2211; the second character wheel 26 is movably sleeved with the second auxiliary bushing 221 and the second The main bush 222, the inner wall of the second character wheel 26 is provided with a plurality of second axial grooves 261 distributed at equal intervals, and the outer wall of the second main bush 222 is provided with second second axial grooves 261 movably engaged with each other The axial insert 2221 makes the second main bushing 222 movably mesh with the second character wheel 26; the two bushes of the third bushing assembly 23 are sequentially along the direction from the first end 201 to the second end 202 of the mandrel 20 Divided into a third auxiliary bushing 231 and a third main bushing 232, the inner wall of the third main bushing 232 is provided with a third main bushing through groove 2323, and the third auxiliary bushing 231 is provided with a third auxiliary bushing through groove 2311; The third character wheel 27 is movably sleeved with the third auxiliary bushing 231 and the third main bushing 232. The inner wall of the third character wheel 27 is provided with a plurality of third axial grooves 271 distributed at equal intervals. The third main liner The outer wall of the sleeve 232 is provided with a third axial insert 2321 movably engaged with each third axial groove 271 so that the third main bush 232 and the third character wheel 27 are movably engaged; two of the fourth bush assembly 24 The bushing extends from the first end 201 to the second end 202 of the mandrel 20 It is divided into a fourth secondary bushing 241 and a fourth main bushing 242 in turn. The fourth primary bushing 242 is provided with a fourth primary bushing through groove 2424 on the inner wall, and the fourth secondary bushing 241 is provided with a fourth secondary bushing. Through groove 2411; the fourth character wheel 28 is movably sleeved with the fourth auxiliary bushing 241 and the fourth main bushing 242. The inner wall of the fourth character wheel 28 is provided with a plurality of fourth axial grooves 281 distributed at equal intervals. The outer wall of the main bush 242 is provided with a fourth axial insert 2421 movably engaged with each fourth axial groove 281 so that the fourth main bush 242 is movably engaged with the fourth character wheel 28.

In the first embodiment of the present invention, as shown in FIGS. 5 to 18 and 35 and 36, the panel 1 is provided with a first character wheel 25, a second character wheel 26, a third character wheel 27 and a first character wheel. The four character wheel holes 11 into which the four-character wheel 28 is inserted are used to locate the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28; the inner wall of the first character wheel 25 is also A first positioning protrusion 252 is provided, a second positioning protrusion 262 is also provided on the inner wall of the second character wheel 26, and a third positioning protrusion 272 is also provided on the inner wall of the third character wheel 27. The inner wall of the wheel 28 is also provided with a fourth positioning protrusion 282; and the outer wall of the first auxiliary bushing 211 is provided with a first garbled protrusion 2112 that movably interferes with the first positioning protrusion 252 and a first locating protrusion 252 movable The first password bump 2113 that interferes with the card position, the outer wall of the second auxiliary bushing 221 is provided with a second garbled protrusion 2212 that movably interferes with the second positioning protrusion 262, and the outer wall of the third auxiliary bushing 231 is provided with The three positioning protrusions 272 movably interfere with the third garbled protrusion 2312 of the card position. The outer wall of the fourth auxiliary bushing 241 is provided with a fourth garbled protrusion 2412 that movably interferes with the fourth positioning protrusion 282 and the card position; the first main bushing The outer wall of 212 is also provided with a second password protrusion 2123 that movably interferes with the second positioning protrusion 262, and the outer wall of the second main bush 222 is also provided with a third password protrusion that movably interferes with the third positioning protrusion 272. At block 2223, the outer wall of the third main bushing 232 is also provided with a fourth cipher bump 2323 that movably interferes with the fourth positioning bump 282.

In the first embodiment of the present invention, as shown in FIGS. 5 to 18 and 35 and 36, the first end 201 of the mandrel 20 is fitted with a push block 6 that can move axially along the mandrel 20. The push block 6 The inner side abuts against the first auxiliary bushing 221 so that the movement of the push block 6 can push each bushing assembly to move to the second end 202 of the mandrel 20. A drive is provided between the push block 6 and the first end 201 of the mandrel 20 The first return spring T1 reset by the push block 6, the first end 201 of the mandrel 20 can be sleeved on the push block 6, and the first end 201 of the mandrel 20 can be formed to form a positioning slot 2011. The first return spring T1 is inserted into the positioning groove 2011 and both ends of the first return spring T1 abut against the positioning groove 2011 and the push block 6 respectively. The outer side of the push block 6 is fitted with a limit pin 61 that can move up and down and a limit pin reset spring 62 for driving the limit pin 61 to reset; the second end 202 of the mandrel 20 and the fourth main bushing A second return spring T2 is provided between 242 to drive the bushing components to reset after being pushed by the push block 6 to the second end 202 of the core shaft 20 through the second return spring T2; The direction from the first end 201 to the second end 202 of the shaft 20 is successively provided with five mandrel projections arranged in a straight line, and the five mandrel projections are along the direction from the first end 201 to the second end 202 of the mandrel 20 It is divided into first mandrel protrusion 203, second mandrel protrusion 204, third mandrel protrusion 205, fourth mandrel protrusion 206 and fifth mandrel protrusion 207; the first main bushing 212 The first main bushing through groove 2122 is movably engaged with the second mandrel protrusion 204, the second main bushing through groove 2222 of the second main bushing 222 is movably engaged with the third mandrel protrusion 205, and the third main bushing The third main bush through groove 2322 of 232 is movably engaged with the fourth mandrel projection 206, the fourth main bush through groove 2422 of the fourth main bush 242 is movably engaged with the fifth mandrel projection 207, and the first The first auxiliary bushing through groove 2111 of the bushing 211 is engaged with the first mandrel protrusion 203, the second auxiliary bushing through groove 2211 of the second auxiliary bushing 221 is engaged with the second mandrel protrusion 204, and the third auxiliary bushing The third auxiliary bushing through groove 2311 of the bushing 231 is engaged with the third mandrel protrusion 205, and the fourth auxiliary bushing through groove 2411 of the fourth auxiliary bushing 241 is engaged with the fourth mandrel protrusion 206. When the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are in the correct position of the password, the first main bushing through groove 2121, the second main bushing through groove 2221, The third main bushing through groove 2321 and the fourth main bushing through groove 2421 and the first auxiliary bushing through groove 2111, the second auxiliary bushing through groove 2211, the third auxiliary bushing through groove 2311 and the fourth auxiliary bushing The through grooves 2411 are aligned with the respective mandrel projections of the mandrel 20 so that each bushing assembly can move axially along the mandrel 20, so that the knob 3 can be turned to perform an unlocking operation.

In the first embodiment of the present invention, as shown in FIG. 3 and FIG. 4, the inner wall of the knob 3 is provided with a closed lock position through groove 32, an open lock position through groove 33, a garbled arc boss 34 and a reset arc boss 35 , The reset arc boss 35 and the garbled arc boss 34 are set up and down staggered, and the reset arc boss 35 protrudes the garbled arc boss 34 inward, and the two ends of the reset arc boss 35 are respectively connected to The closed and locked position through groove 32 and the open and locked position through groove 33 are connected, the two ends of the garbled arc-shaped boss 34 are respectively connected with the closed and locked position through groove 32 and the open and locked position through groove 33, and the limit pin 61 is connected with the closed and locked position through groove 32. Set the arc-shaped boss 35, the opening and locking position through groove 33 and the garbled arc-shaped boss 34 to slidingly cooperate; when the automatic garbled code lock is unlocked, the knob 3 is rotated forward, and the limit pin 61 is switched from the closed and locked position. The slot 32 is moved to the open and locked position through the slot 33 through the reset arc-shaped protrusion 35; when the automatic garbled code lock is locked, the knob 3 is turned in the opposite direction, and the limit pin 61 is moved from the open and locked position through the garbled through slot 33 The arc-shaped boss 34 moves to the locked through slot 32. The reset arc-shaped boss 35 can be located above the garbled arc-shaped boss 34, and both ends of the reset arc-shaped boss 35 are connected to the closed lock position through the first inclined guide surface 351 and the second inclined guide surface 352, respectively. The slot 32 is connected to the open and locked position through groove 33, and the two ends of the garbled arc-shaped boss 34 are connected with the closed and locked position through groove 32 and the open and locked position through groove 32 through the first inclined pushing surface 341 and the second inclined pushing surface 342, respectively, to reset the arc A guide slope 353 inclined downward is formed on the lower side of the shaped protrusion 35 adjacent to one end of the through groove 33 for opening the locking position; a sliding groove 60 is provided on the outer side of the pushing block 6, and the limiting pin 61 can move up and down Slidingly connected in the sliding groove 60, the upper and lower ends of the limit pin return spring 62 respectively abut the bottom of the limit pin 61 and the bottom wall of the sliding groove 60 to drive the limit pin 61 to move upward; in this way, it passes through the first inclined guide surface 351. Rotating the knob 3 in the forward direction enables the limit pin 61 to move from the locking through slot 32 to the reset arc boss 35; and through the second inclined pushing surface 342 and the guiding inclined surface 353, rotating the knob 3 in the reverse direction can Therefore, the limiting pin 61 can be moved from the opening and locking through slot 33 to the garbled arc boss 34.

In the first embodiment of the present invention, as shown in Figures 5 to 7, when the limit pin 61 is fitted into the locking through slot 32, each bushing assembly moves to the locked position, and the first auxiliary bushing The groove 2111, the second sub-bush through groove 2211, the third sub-bush through groove 2311, and the fourth sub-bush through groove 2411 are respectively connected to the first mandrel projection 203, the second mandrel projection 204, and the third core The shaft projection 205 is engaged with the fourth mandrel projection 206, the first main bushing through groove 2121 is disengaged from the second mandrel projection 204, and the second main bushing through groove 2221 is disengaged from the third mandrel projection 205, the third main bushing through groove 2321 is out of engagement with the fourth mandrel projection 206, the fourth main bushing through groove 2421 is out of engagement with the fifth mandrel projection 207, and the first main bushing 212 It meshes with the first character wheel 25, the second main bush 222 meshes with the second character wheel 26, the third main bush 232 meshes with the third character wheel 27, and the fourth main bush 242 meshes with the fourth character wheel 28, The first cipher bump 2113, the second cipher bump 2123, the third cipher bump 2223, and the fourth cipher bump 2323 and the first positioning bump 252, the second positioning bump 262, the third positioning bump 272, and the The four positioning bumps 282 are completely misaligned, the first garbled bump 2112, the second garbled bump 2212, the third garbled bump 2312, and the fourth garbled bump 2412 are the same as the first positioning bump 252, the second positioning bump 262, The third positioning protrusion 272 and the fourth positioning protrusion 282 are completely misaligned; as shown in FIGS. 8 to 11, when the limit pin 61 conflicts with the reset arc-shaped protrusion 35, each bushing assembly moves to the reset position At this time, the first sub-bush through groove 2111, the second sub-bush through groove 2211, the third sub-bush through groove 2311, and the fourth sub-bush through groove 2411 are connected to the first mandrel protrusion 203, the second The mandrel protrusion 204, the third mandrel protrusion 205 and the fourth mandrel protrusion 206 are engaged, the first main bushing through groove 2121 is engaged with the second mandrel protrusion 204, and the second main bushing through groove 2221 is engaged with The third mandrel protrusion 205 is engaged, the third main bushing through groove 2321 is engaged with the fourth mandrel protrusion 206, the fourth main bushing through groove 2421 is engaged with the fifth mandrel protrusion 207, and the first main bushing 212 is disengaged from the first character wheel 25, the second main bush 222 is disengaged from the second character wheel 26, the third main bush 232 is disengaged from the third character wheel 27, and the fourth main bush 242 is disengaged Engaged with the fourth character wheel 28, the first cipher bump 2113 is opposite to the first positioning bump 252, the second cipher bump 2123 is opposite to the second positioning bump 262, and the third cipher bump 2223 is opposite to the third positioning bump. Block 272 is opposite, the fourth encryption bump 2323 is opposite to the fourth positioning bump 282, the first garbled bump 2112, the second garbled bump 2212, the third garbled bump 2312, and the fourth garbled bump 2412 are opposite to the first location The protrusion 252, the second positioning protrusion 262, the third positioning protrusion 272, and the fourth positioning protrusion 282 are completely wrong. 12-15, and when the limit pin 61 is fitted into the unlocking position through groove 33, each bushing assembly moves to the unlocking position, at this time the first auxiliary bushing through groove 2111, the second The auxiliary bushing through groove 2211, the third auxiliary bushing through groove 2311 and the fourth auxiliary bushing through groove 2411 are respectively connected with the first mandrel projection 203, the second mandrel projection 204, the third mandrel projection 205 and The fourth mandrel protrusion 206 is engaged, the first main bushing through groove 2121 is engaged with the second mandrel protrusion 204, the second main bushing through groove 2221 is engaged with the third mandrel protrusion 205, and the third main bushing The through groove 2321 is engaged with the fourth mandrel protrusion 206, the fourth main bushing through groove 2421 is engaged with the fifth mandrel protrusion 207, the first main bushing 212 is out of engagement with the first character wheel 25, and the second main bushing The bushing 222 is out of engagement with the second character wheel 26, the third main bushing 232 is out of engagement with the third character wheel 27, the fourth main bushing 242 is out of engagement with the fourth character wheel 28, and the first encryption block 2113, the second cipher bump 2123, the third cipher bump 2223, and the fourth cipher bump 2323 and the first positioning bump 252, the second positioning bump 262, the third positioning bump 272, and the fourth positioning bump 282 Completely misaligned, the first garbled bump 2112, the second garbled bump 2212, the third garbled bump 2312, the fourth garbled bump 2412 and the first positioning bump 252, the second positioning bump 262, and the third positioning bump 272 and the fourth positioning projection 282 are completely misaligned; as shown in Figures 16 to 18, when the limit pin 61 is in contact with the garbled arc boss 34, each bushing assembly moves to the garbled position, and the first auxiliary lining The sleeve through groove 2111, the second sub-bush through groove 2211, the third sub-bush through groove 2311, and the fourth sub-bush through groove 2411 are respectively connected with the first mandrel projection 203, the second mandrel projection 204, and the The three mandrel projections 205 are engaged with the fourth mandrel projections 206, the first main bushing through groove 2121 is disengaged from the engagement with the second mandrel projection 204, and the second main bushing through groove 2221 is disengaged from the third mandrel With the engagement of the protrusion 205, the third main bushing through groove 2321 is out of engagement with the fourth mandrel protrusion 206, the fourth main bushing through groove 2421 is out of engagement with the fifth mandrel protrusion 207, and the first main liner The sleeve 212 meshes with the first character wheel 25, the second main bush 222 meshes with the second character wheel 26, the third main bush 232 meshes with the third character wheel 27, and the fourth main bush 242 meshes with the fourth character wheel 28. Engaged, the first cipher bump 2113, the second cipher bump 2123, the third cipher bump 2223 and the fourth cipher bump 2323 and the first positioning bump 252, the second positioning bump 262, and the third positioning bump 272 It is completely misaligned with the fourth positioning bump 282, the first positioning bump 252 is opposite to the first garbled bump 2112, the second positioning bump 262 is opposite to the second garbled bump 2212, and the third positioning bump 272 is opposite to the third garbled bump. The bump 2312 is opposite, and the fourth positioning bump 282 is opposite to the fourth garbled bump 2412.

In the first embodiment of the present invention, as shown in FIGS. 2 to 18, a transmission mechanism 7 is provided between the knob 3 and the second end 202 of the spindle 20, and the rotation of the knob 3 drives the spindle 20 through the transmission mechanism 7. Rotating around the central axis of the mandrel 20, the transmission mechanism 7 may include an arc-shaped protrusion 71 provided in the knob 3 and a transmission gear 72 provided on the second end 202 of the mandrel 20, the arc-shaped protrusion 71 and the knob 3 Connected and arranged concentrically, the upper end surface of the arc-shaped protrusion 71 is provided with a number of transmission teeth 711. The transmission gear 72 is connected to the second end 202 of the mandrel 20 and movably meshes with the transmission teeth 711, so that the knob 3 can be rotated The mandrel 20 is driven to rotate around its central axis of rotation; the arc-shaped protrusion 71 and the knob 3 can be integrally formed, and the transmission gear 72 and the mandrel 20 can be integrally formed.

In the first embodiment of the present invention, the unlocking process of an automatic garbled code is: first, dial the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 to make The first character wheel 25, the second character wheel 26, the third character wheel 27, and the fourth character wheel 28 are all in the correct position of the password; then, rotate the knob 3 in the forward direction so that the limit pin 61 is reset from the locked position through the slot 32 The arc-shaped boss 35 moves into the unlocking position through groove 33, so that the lock cylinder tail 4 and the lock tongue 41 rotate forward to unlock; wherein the limit pin 61 is in the process of resetting the arc-shaped boss 35. Among them, the knob 3 drives the spindle 20 to rotate forwardly for at least one rotation through the transmission mechanism 7, so that the spindle 20 drives the first auxiliary bushing 211, the first main bushing 212, the second auxiliary bushing 221, and the second main bushing 222 , The third auxiliary bushing 231, the third main bushing 232, the fourth auxiliary bushing 241, and the fourth main bushing 242 rotate forward at least one circle so that the first password protrusion 2113 and the first positioning protrusion 252 conflict The card position drives the first character wheel 25 to rotate to the first character wheel password reset position, so that the second password protrusion 2123 and the second positioning protrusion 262 conflict with the card position and drive the second character wheel 26 to rotate to the second character wheel The password reset position causes the third password bump 2223 and the third positioning bump 272 to conflict with the card position and drives the third character wheel 27 to rotate to the third character wheel password reset position, and makes the fourth password bump 2133 and the third character wheel The four positioning protrusions 282 resist the card position and drive the fourth character wheel 28 to rotate to the fourth character wheel password reset position, thereby realizing password reset.

In the first embodiment of the present invention, the locking process of an automatic garbled code is: reversely rotate the knob 3 so that the limit pin 61 moves from the open and locked position through the slot 33 through the garbled arc-shaped boss 34 into the closed and locked position In the through groove 32, the lock core tail 4 and the lock tongue 41 are rotated in the opposite direction for locking; wherein the limit pin 61 moves on the garbled arc-shaped boss 34, and the knob 3 drives the spindle through the transmission mechanism 7 20 reverse rotation for at least one rotation, so that the mandrel 20 drives the first auxiliary bushing 211, the second auxiliary bushing 221, the third auxiliary bushing 231 and the fourth auxiliary bushing 241 to reverse rotation for at least one rotation, so that the first garbled The protrusion 2112 and the first positioning protrusion 252 conflict with the position and drive the first character wheel 25 and the first main bushing 212 to rotate to the first character wheel garbled position, so that the second garbled protrusion 2212 and the second positioning protrusion 262 The second character wheel 26 and the second main bushing 222 are driven to rotate to the garbled position of the second character wheel due to the collision with the card position, so that the third garbled protrusion 2312 and the third positioning protrusion 272 interfere with the card position and drive the third character wheel 27 And the third main bushing 232 rotate to the third character wheel garbled position, and the fourth character wheel 28 and the fourth main bushing 242 are rotated to The fourth character wheel garbled position, so as to automatically dial the garbled password to hide the password. In the first embodiment of the present invention, the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 can be rotated to the first character wheel reset position and the second character wheel reset respectively. Position, the reset position of the third character wheel and the reset position of the fourth character wheel, the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 can be in each character wheel hole 11 All display the number '0'; and the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 respectively rotate to the first character wheel garbled position, the second character wheel garbled position, and the third character wheel. When the character wheel garbled position and the fourth character wheel garbled position, the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 can all display the number '1' in each character wheel hole 11. .

In the first embodiment of the present invention, as shown in FIGS. 12 to 15, when the automatic garbled code is in the unlocking state, that is, when the limit pin 61 is fitted into the unlocking position through slot 33, due to this When the first main bushing through groove 2121 is engaged with the second mandrel protrusion 204, the second main bushing through groove 2221 is engaged with the third mandrel protrusion 205, and the third main bushing through groove 2321 is engaged with the fourth mandrel The protrusion 206 is engaged, the fourth main bushing through groove 2421 is engaged with the fifth mandrel protrusion 207, the first main bushing 212 is disengaged from the first character wheel 25, and the second main bushing 222 is disengaged from the second character wheel. When the wheel 26 is engaged, the third main bush 232 is disengaged from the third character wheel 27, and the fourth main bush 242 is disengaged from the fourth character wheel 28. At this time, the first character wheel 25 and the second character wheel can be rotated. The character wheel 26, the third character wheel 27 and the fourth character wheel 28 are used for password replacement.

Further, in the first embodiment of the present invention, as shown in FIGS. 1, 2 and 35 to 40, the knob 3 can be fitted with a rotatable lock core 8, and the lock core 8 is fitted with an emergency key 81 to pass The emergency key 81 turns the lock core 8; the panel 1 has a lock core hole 12 corresponding to the lock core 8 so that the emergency key 81 can be inserted into the lock core 8; the fourth main bushing 242 is also provided with a fifth Code convex block 2423; the knob 3 is fitted with a code search piece 9 that is interlocked with the lock core 8, and the code search piece 9 is provided with a first clamping portion 91 and a second locking portion 91 that move up and down as the lock core 8 rotates The engaging portion 92, the third engaging portion 93 and the fourth engaging portion 94, the first engaging portion 91, the second engaging portion 92, the third engaging portion 93 and the fourth engaging portion 94 are respectively connected to the second engaging portion The cipher bump 2123, the third cipher bump 2223, the fourth cipher bump 2323, and the fifth cipher bump 2423 move against the card position; and the second cipher bump 2123 and the first main bushing through slot 2122 The position is set such that when the second cipher block 2123 abuts against the first clamping portion 91, the first main bush through slot 2122 is aligned with the second mandrel convex block 204; the third cipher block 2223 and The position of the second main bushing through groove 2222 is set such that when the third password protrusion 2223 and the second locking portion 92 abut against the clamping position, the second main bushing through groove 2222 is aligned with the third mandrel protrusion 205; The positions of the fourth password bump 2323 and the third main bushing slot 2322 are set to be: when the fourth password bump 2323 and the third locking portion 93 abut against the card position, the third main bushing slot 2322 and The fourth mandrel protrusions 206 are aligned; the positions of the fifth password protrusion 2423 and the fourth main bushing through groove 2422 are set as follows: when the fifth password protrusion 2423 and the fourth locking portion 94 abut against the card position, The fourth main bushing through slot 2422 is aligned with the fifth mandrel projection 205. In this way, when the user forgets the password, the first locking portion 91, the second locking portion 92, the third locking portion 93 and the fourth locking portion 94 can be moved up to the code search position by rotating the lock cylinder 8. Therefore, at this time, the first locking portion 91 can interfere with the second cipher block 2123, the second locking portion 92 can interfere with the third cipher bump 2223, and the third locking portion 93 can interfere with the fourth cipher. The convex block 2323 can interfere with the locking position and the fourth locking portion 94 can interfere with the fifth cipher block 2423; then the first character wheel 25 is rotated to drive the first main bushing 212 to rotate to the first locking portion 91 and the first locking portion 91 The second cipher block 2123 conflicts with the locking position, and the second character wheel 26 is rotated to drive the second main bush 222 to rotate until the second locking portion 92 and the third cipher convex block 2223 conflict with the locking position, and the third character wheel 27 is rotated to drive The third main bushing 232 rotates until the third clamping portion 93 and the fourth password protrusion 2323 interfere with the locking position, and the fourth character wheel 28 is rotated to drive the fourth main bushing 242 to rotate to the fourth clamping portion 94 and the fifth The password bump 2423 conflicts with the card position; at this time, the characters displayed in each character wheel hole 11 of the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are the correct passwords. recover password. The character wheel assembly 2 can be fitted into a character wheel box 29, the limiting pin 61 passes through the character wheel box 29, the second end 202 of the character wheel shaft 20 passes through the character wheel box 29, and the top of the character wheel box 29 is open , The two ends of the second return spring T2 respectively abut the fourth main bushing 242 and the side wall of the character wheel box 29 adjacent to the second end 202 of the character wheel shaft 20; the middle part of the code searching member 9 abuts the bottom of the character wheel box 29, One side of the code member 9 is provided with the first clamping portion 91, the second clamping portion 92, the third clamping portion 93, and the fourth clamping portion 94 that are upwardly tilted; the other side of the code searching member 9 There is a baffle 95 that extends out of the character wheel box 29 and can move up and down; between the other side of the code search piece 9 and the character wheel box 29 is provided a code search return spring 96 that drives the baffle 95 to move down; The lock core 8 is matched with a cam block 82 which can be locked on the bottom of the lock core 8 by a screw d. The top of the cam block 82 is provided with an inclined first cam surface 821, the first cam surface 821 and the baffle 95 The bottom surface is slidingly fitted; through the cooperation of the first cam surface 821 and the bottom surface of the baffle 95, the baffle 95 of the code searching member 9 can be driven to move up and down when the lock core 8 rotates, so that the first clamping portion 91 and the second clamping portion 91 The portion 92, the third engaging portion 93, and the fourth engaging portion 94 move up and down. As shown in FIGS. 35 to 40, the character wheel box 29 is fitted with a positioning piece 291. The positioning piece 291 is provided with four elastic claws. The four elastic claws are the first elastic claw 2911 and the second elastic claw 2912 in sequence. , The third elastic claw 2913 and the fourth elastic claw 2914, the outer wall of the first character wheel 25 corresponds to the character code of the first character wheel 25 with a plurality of first character wheel positioning grooves 253; the outer wall of the second character wheel 26 corresponds to the The character code of the second character wheel 26 is provided with a plurality of second character wheel positioning grooves 263; the outer wall of the third character wheel 27 is provided with a plurality of third character wheel positioning grooves 273 corresponding to the character code of the third character wheel 27; The outer wall of the wheel 28 is provided with a plurality of fourth character wheel positioning grooves 283 corresponding to the character code of the fourth character wheel 28; the first elastic claw 2911 is movably fitted with each first character wheel positioning groove 253 of the first character wheel 25, The two elastic pawls 2912 are movably fitted with the second character wheel positioning grooves 263 of the second character wheel 26, and the third elastic pawls 2913 are movably fitted with the third character wheel positioning grooves 273 of the third character wheel 27. The fourth elastic The pawls 2914 are movably engaged with the respective fourth character wheel positioning grooves 283 of the fourth character wheel 28, so that each of the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 The rotation angle of φ is limited, so that the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 can rotate accurately.

Further, in the first embodiment of the present invention, as shown in FIGS. 2, 19, 20, 37, and 38, the lock cylinder 8 can be fitted with a sector gear 83, which can be combined with the cam block 82 One-piece molding; the upper part of the lock cylinder tail 4 can be rotatably fitted to the bottom of the knob 3. The upper part of the lock cylinder tail 4 is provided with a driven gear 42 movably matched with the sector gear 83. The driven gear 42 can be matched with the knob 3 The inner transition gear 43 movably cooperates with the sector gear 83, the transition gear 43 meshes with the driven gear 42, and the transition gear 43 movably meshes with the sector gear 83. The upper side wall of the lock cylinder tail 4 is provided with a limiting groove 44; The inner bottom wall of the knob 3 is fitted with a rotatable swing arm 36 and a swing arm resetting member 37 that drives the swing arm 36 to reset; the two ends of the swing arm 36 are divided into a buckling end 361 and a linking end 362. The buckling end 361 is provided with a buckling portion 3611 that movably buckles with the limiting groove 44; the buckling portion 3611 buckles the limiting groove 44 so that the lock cylinder tail 4 and the knob 3 are mutually restricted, so that the lock cylinder tail 4 cannot be opposed to the knob 3 Rotation; and the buckling portion 3611 is disengaged from the buckling with the limit groove 44, which can release the limit between the lock cylinder tail 4 and the knob 3, so that the lock cylinder tail 4 can rotate relative to the knob 3; the linkage of the swing arm 36 The end 362 is linked with the lock core 8, and the buckling portion 3611 of the swing arm 36 buckles or disengages the limiting groove 44 as the lock core 8 rotates, and when the buckling portion 3611 is disengaged from the limiting groove 44 When the groove 44 is buckled, the sector gear 83 is in drive engagement with the driven gear 42. In this way, by rotating the lock cylinder 8 the buckling portion 3611 can be disengaged from the stop groove 44 so that the lock cylinder tail 4 can face each other Turn the knob 3, and then continue to turn the lock cylinder 8 to drive the lock cylinder tail 4 to rotate through the sector gear 83 and the driven gear 42 to achieve unlocking. The lock cylinder 8 can be set to be turned in the forward direction to unlock, and the lock cylinder 8 can be turned in the reverse direction. To retrieve the password. The outer wall of the cam block 82 is provided with a second cam surface 822 whose radius gradually expands in the circumferential direction of the lock core 8. The second cam surface 822 is in sliding fit with the side surface of the linkage end 362 of the swing arm 36, so that the swing arm reset member 37 With cooperation, the rotation of the lock cylinder 8 can drive the swing arm 36 to rotate, so that the buckling portion 3611 of the swing arm 36 engages with the limit groove 44 or detaches from the limit groove 44 as the lock cylinder 8 rotates; The swing arm reset member 37 is a U-shaped elastic piece fixed on the inner bottom wall of the knob 3, and one side of the U-shaped elastic piece abuts on the side of the buckling end 361 of the swing arm 36 opposite to the buckling portion 3611, thereby driving the swing arm 36 Reset after turning.

Embodiment two:

As shown in Figure 1 and Figures 21 to 40, in the second embodiment of the present invention, an automatic garbled code lock includes a panel 1, a character wheel assembly 2, a knob 3, and a fixing seat 5; wherein the knob 3 is rotatable It fits between the upper and lower sides of the panel 1 and the fixing base 5, the top of the knob 3 is open, the knob 3 can be fitted with a locking tongue 41, and the character wheel assembly 2 is installed in the knob 3.

Specifically, in the second embodiment of the present invention, in conjunction with the bottom of the knob 3 described in Figures 1, 21, 22, 23, 33 and 34, a lock cylinder tail 4 is fitted, and the lock cylinder tail 4 is fitted with the The lock tongue 41 can be locked on the lock core tail 4 by screws s; the fixing seat 5 can be provided with a stud 52 fitted with a nut 53 for connecting the fixing seat 5 with the door panel; The seat 5 is provided with a perforation 51 for the lock core tail 4 to pass through. The perforation 51 can be formed in the stud 52, that is, the stud 52 is a hollow structure; the fixing seat 5 and the panel 1 pass through the screw of the knob 3 d is fixedly connected, the bottom wall of the knob 3 is provided with a sliding hole 31 for the screw d to slide, so that the knob 3 can rotate relative to the panel 1 and the fixing base 5.

In the second embodiment of the present invention, as shown in Figs. 24 to 32 and Figs. 35 and 36, the character wheel assembly 2 includes a mandrel 20, n bushing assemblies that are movable sleeved with the mandrel 20, and respectively There are n character wheels housing each bushing component, where n is an integer greater than or equal to 2. In the second embodiment of the present invention, n is four as an example for illustration; both ends of the mandrel 20 are divided into first ends 201 And the second end 202, the four character wheels are divided into the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel in the direction from the first end 201 to the second end 202 of the mandrel 20. Wheel 28; each bushing component abuts each other, the four bushing components along the first end 201 to the second end 202 of the mandrel 20 are divided into a first bushing component 21, a second bushing component 22, a first The three bushing components 22 and the fourth bushing component 23; each of the bushing components includes two bushings sleeved on the mandrel 20 and abutting against each other. The two bushings of the first bushing component 21 run along the core The direction from the first end to the second end of the shaft 20 is sequentially divided into a first auxiliary bushing 211 and a first main bushing 212. The inner wall of the first main bushing 212 is provided with a first main bushing through groove 2122, and the first auxiliary bushing The inner wall of the sleeve 211 is provided with a first auxiliary bush through groove 2111; the first character wheel 25 moves the first auxiliary bush 211 and the first main bush 212, and the inner wall of the first character wheel 25 is provided with a plurality of first auxiliary bushings distributed at equal intervals. Axial groove 251, the outer wall of the first main bushing 212 is provided with first axial inserts 2121 movably engaged with each of the first axial grooves 251 so that the first main bush 212 is movably engaged with the first character wheel 25 ; The two bushes of the second bushing assembly 22 are divided into a second auxiliary bushing 221 and a second main bushing 222 along the direction from the first end 201 to the second end 202 of the mandrel 20, the second main bushing The inner wall of 222 is provided with a second main bushing through groove 2222, and the inner wall of the second auxiliary bushing 221 is provided with a second auxiliary bushing through groove 2211; the second character wheel 26 is movably sleeved with the second auxiliary bushing 221 and the second main liner The inner wall of the second character wheel 26 is provided with a plurality of second axial grooves 261 distributed at equal intervals, and the outer wall of the second main bush 222 is provided with a second axial groove movably engaged with each of the second axial grooves 261 The second main bushing 222 is movably engaged with the second character wheel 26 by inserting the block 2221; the two bushings of the third bushing assembly 23 are sequentially divided into the direction from the first end 201 to the second end 202 of the mandrel 20 The third auxiliary bushing 231 and the third main bushing 232, the inner wall of the third main bushing 232 is provided with a third main bushing through groove 2323, and the third auxiliary bushing 231 is provided with a third auxiliary bushing through groove 2311; The third character wheel 27 is movably sleeved with the third auxiliary bushing 231 and the third main bushing 232, the inner wall of the third character wheel 27 is provided with a plurality of third axial grooves 271 distributed at equal intervals, and the third main bushing 232 The outer wall is provided with a third axial insert 2321 movably engaged with each third axial groove 271 so that the third main bush 232 is movably engaged with the third character wheel 27; the two bushes of the fourth bushing assembly 24 Along the direction from the first end 201 to the second end 202 of the mandrel 20 It is divided into a fourth auxiliary bushing 241 and a fourth main bushing 242 in turn. The inner wall of the fourth main bushing 242 is provided with a fourth main bushing through groove 2424, and the inner wall of the fourth auxiliary bushing 241 is provided with a fourth auxiliary bushing through Slot 2411; the fourth character wheel 28 is movably sleeved with the fourth auxiliary bushing 241 and the fourth main bushing 242, the inner wall of the fourth character wheel 28 is provided with a plurality of fourth axial grooves 281 distributed at equal intervals, the fourth main The outer wall of the bush 242 is provided with a fourth axial insert 2421 movably engaged with each of the fourth axial grooves 281 so that the fourth main bush 242 is movably engaged with the fourth character wheel 28.

In the second embodiment of the present invention, as shown in FIGS. 1, 21, 24 to 32, and FIGS. 35 and 36, the panel 1 is provided with a first character wheel 25, a second character wheel 26, and a second character wheel. The four character wheel holes 11 into which the three-character wheel 27 and the fourth character wheel 28 are inserted respectively to locate the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28; The inner wall of the character wheel 25 is further provided with a first positioning protrusion 252, the inner wall of the second character wheel 26 is also provided with a second positioning protrusion 262, and the inner wall of the third character wheel 27 is also provided with a third positioning protrusion 272. , The inner wall of the fourth character wheel 28 is also provided with a fourth positioning protrusion 282; and the outer wall of the first auxiliary bushing 211 is provided with a first garbled protrusion 2112 that movably interferes with the first positioning protrusion 252 and a A positioning protrusion 252 movably interferes with the locking position, the outer wall of the second auxiliary bushing 221 is provided with a second garbled protrusion 2212 that movably interferes with the second positioning protrusion 262, and the outer wall of the third auxiliary bushing 231 is provided with a third The positioning protrusion 272 movably interferes with the third garbled protrusion 2312 of the card position, and the outer wall of the fourth auxiliary bushing 241 is provided with a fourth garbled protrusion 2412 that movably interferes with the fourth positioning protrusion 282 and the card position.

In the second embodiment of the present invention, as shown in FIGS. 21, 24 to 32, and FIGS. 35 and 36, the first end 201 of the mandrel 20 is fitted with a push block 6 that can move axially along the mandrel 20 , The inner side of the push block 6 abuts against the first auxiliary bushing 221 so that the movement of the push block 6 can push each bushing assembly to move to the second end 202 of the mandrel 20, between the push block 6 and the first end 201 of the mandrel 20 A first return spring T1 that drives the push block 6 to reset is provided. The push block 6 can be sleeved on the first end 201 of the mandrel 20, and the first end 201 of the mandrel 20 can be formed to form a positioning slot 2011. A return spring T1 is inserted into the positioning groove 2011 and both ends of the first return spring T1 abut against the positioning groove 2011 and the push block 6 respectively. The outer side of the push block 6 is fitted with a limit pin 61 that can move up and down and a limit pin reset spring 62 for driving the limit pin 61 to reset; the second end 202 of the mandrel 20 and the fourth main bushing A second return spring T2 is provided between 242 to drive the bushing components to reset after being pushed by the push block 6 to the second end 202 of the core shaft 20 through the second return spring T2; The direction from the first end 201 to the second end 202 of the shaft 20 is successively provided with five mandrel projections arranged in a straight line, and the five mandrel projections are along the direction from the first end 201 to the second end 202 of the mandrel 20 It is divided into first mandrel protrusion 203, second mandrel protrusion 204, third mandrel protrusion 205, fourth mandrel protrusion 206 and fifth mandrel protrusion 207; the first main bushing 212 The first main bushing through groove 2122 is movably engaged with the second mandrel protrusion 204, the second main bushing through groove 2222 of the second main bushing 222 is movably engaged with the third mandrel protrusion 205, and the third main bushing The third main bush through groove 2322 of 232 is movably engaged with the fourth mandrel projection 206, the fourth main bush through groove 2422 of the fourth main bush 242 is movably engaged with the fifth mandrel projection 207, and the first The first auxiliary bushing through groove 2111 of the bushing 211 is engaged with the first mandrel protrusion 203, the second auxiliary bushing through groove 2211 of the second auxiliary bushing 221 is engaged with the second mandrel protrusion 204, and the third auxiliary bushing The third auxiliary bushing through groove 2311 of the bushing 231 is engaged with the third mandrel protrusion 205, and the fourth auxiliary bushing through groove 2411 of the fourth auxiliary bushing 241 is engaged with the fourth mandrel protrusion 206. When the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are in the correct position of the password, the first main bushing through groove 2121, the second main bushing through groove 2221, The third main bushing through groove 2321 and the fourth main bushing through groove 2421 and the first auxiliary bushing through groove 2111, the second auxiliary bushing through groove 2211, the third auxiliary bushing through groove 2311 and the fourth auxiliary bushing The through grooves 2411 are aligned with the respective mandrel projections of the mandrel 20 so that each bushing assembly can move axially along the mandrel 20, so that the knob 3 can be turned to perform an unlocking operation.

In the second embodiment of the present invention, as shown in Figs. 21 to 23, the inner wall of the knob 3 is provided with a closed lock position through groove 32, an open lock position through groove 33, and a garbled arc boss 34. The garbled arc boss The two ends of 34 are respectively connected to the closed and locked position through groove 32 and the open and locked position through groove 33, and the limit pin 61 is in sliding fit with the closed and locked position through groove 32, the open and locked position through groove 33 and the garbled arc-shaped boss 34; When an automatic garbled code lock is unlocked, the knob 3 is rotated forward, and the limit pin 61 moves from the through slot 32 of the closed lock position to the through slot 33 of the open lock position through the garbled arc boss 34; When the lock is locked, the knob 3 is rotated in the reverse direction, and the limit pin 61 moves from the through slot 33 in the open and locked position to the through slot 32 in the closed and locked position through the arc-shaped boss 34 of the disordered code. The two ends of the garbled arc-shaped boss 34 are respectively connected to the closed lock position through slot 32 and the open lock position through groove 33 through the first oblique pushing surface 341 and the second oblique pushing surface 342. A raised stopper 343 is formed at one end of the groove 32. A first stopper inclined surface 3431 is formed on one end of the stopper 343 adjacent to the locking position through groove 32, which is connected to the first inclined surface 341. The lower side of the stopper 343 is formed diagonally downward. Inclined second block slope 3432; and the push block 6 is provided with a sliding groove 60 on the outside, and the limit pin 61 can be slidably connected in the sliding groove 60 up and down, and the limit pin reset spring The upper and lower ends of 62 respectively abut against the bottom of the limit pin 61 and the bottom wall of the slide groove 60 to drive the limit pin 61 to move upward; when the limit pin 61 moves on the garbled arc-shaped boss 34, the limit pin 61 and the stopper 34 is opposite, as shown in Figure 31 and Figure 32, so that when the knob 3 is reversely rotated, the second stop block slope 3432 can make the limit pin 61 move from the garbled arc boss 34 to the locked position through the stop block 343 In the groove 32, the stopper 343 is provided to ensure that the limit pin 61 can be firmly fitted in the closed and locked position through groove 32 when it is locked; it should be noted that the stopper 343 may not be provided, and the stopper 343 may be further deepened. The depth of the groove 32 can also ensure that the limit pin 61 can be firmly fitted into the locking through groove 32 when it is locked, and the limit pin 61 can be fixedly connected with the push block 6 without the stop block 343.

In the second embodiment of the present invention, as shown in FIG. 24, when the limit pin 61 is fitted into the locking through slot 32, each bushing assembly moves to the locked position, and the first auxiliary bushing through slot 2111 The second sub-bush through groove 2211, the third sub-bush through groove 2311, and the fourth sub-bush through groove 2411 are respectively connected with the first mandrel projection 203, the second mandrel projection 204, and the third mandrel projection 205 is engaged with the fourth mandrel protrusion 206, the first main bushing through groove 2121 is out of engagement with the second mandrel protrusion 204, and the second main bushing through groove 2221 is out of engagement with the third mandrel protrusion 205 , The third main bushing through groove 2321 is out of engagement with the fourth mandrel protrusion 206, the fourth main bushing through groove 2421 is out of engagement with the fifth mandrel protrusion 207, and the first main bushing 212 and the first The character wheel 25 meshes, the second main bush 222 meshes with the second character wheel 26, the third main bush 232 meshes with the third character wheel 27, the fourth main bush 242 meshes with the fourth character wheel 28, the first garbled The bump 2112, the second garbled bump 2212, the third garbled bump 2312, and the fourth garbled bump 2412 and the first positioning bump 252, the second positioning bump 262, the third positioning bump 272, and the fourth positioning bump The block 282 is completely misaligned; as shown in Figures 27 and 28, and when the limit pin 61 is fitted into the unlocking position through groove 33, each bushing assembly moves to the unlocking position, and the first auxiliary bushing through groove 2111 , The second auxiliary bushing through groove 2211, the third auxiliary bushing through groove 2311 and the fourth auxiliary bushing through groove 2411 are respectively connected with the first mandrel protrusion 203, the second mandrel protrusion 204, the third mandrel protrusion The block 205 is engaged with the fourth mandrel projection 206, the first main bushing through groove 2121 is engaged with the second mandrel projection 204, the second main bushing through groove 2221 is engaged with the third mandrel projection 205, and the third The main bushing through groove 2321 is engaged with the fourth mandrel protrusion 206, the fourth main bushing through groove 2421 is engaged with the fifth mandrel protrusion 207, the first garbled protrusion 2112, the second garbled protrusion 2212, and the third The garbled bumps 2312 and the fourth garbled bumps 2412 are completely misaligned with the first positioning bumps 252, the second positioning bumps 262, the third positioning bumps 272, and the fourth positioning bumps 282; in conjunction with Figures 25, 26, and 282 As shown in Figure 31 and Figure 32, when the limit pin 61 is in contact with the garbled arc boss 34, each bushing assembly moves to the garbled position. At this time, the first auxiliary bushing through groove 2111, the second auxiliary bushing through groove 2211 , The third auxiliary bushing through groove 2311 and the fourth auxiliary bushing through groove 2411 are respectively connected with the first mandrel projection 203, the second mandrel projection 204, the third mandrel projection 205 and the fourth mandrel projection 206 is engaged, the first main bushing through groove 2121 is out of engagement with the second mandrel protrusion 204, the second main bushing through groove 2221 is out of engagement with the third mandrel protrusion 205, and the third main bushing through groove 2321 is out of engagement with the fourth mandrel projection 206, the fourth main bushing through groove 2421 is out of engagement with the fifth mandrel projection 207, the first main bush 2 12 meshes with the first character wheel 25, the second main bush 222 meshes with the second character wheel 26, the third main bush 232 meshes with the third character wheel 27, and the fourth main bush 242 meshes with the fourth character wheel 28 , The first positioning bump 252 is opposite to the first garbled bump 2112, the second locating bump 262 is opposite to the second garbled bump 2212, the third positioning bump 272 is opposite to the third garbled bump 2312, and the fourth positioning convex The block 282 is opposite to the fourth garbled bump 2412.

In the second embodiment of the present invention, as shown in FIGS. 21 to 32, a transmission mechanism 7 is provided between the knob 3 and the second end 202 of the spindle 20, and the rotation of the knob 3 drives the spindle 20 through the transmission mechanism 7. Rotating around the central axis of the mandrel 20, the transmission mechanism 7 may include an arc-shaped protrusion 71 provided in the knob 3 and a transmission gear 72 provided on the second end 202 of the mandrel 20, the arc-shaped protrusion 71 and the knob 3 Connected and arranged concentrically, the upper end surface of the arc-shaped protrusion 71 is provided with a number of transmission teeth 711. The transmission gear 72 is connected to the second end 202 of the mandrel 20 and movably meshes with the transmission teeth 711, so that the knob 3 can be rotated The mandrel 20 is driven to rotate around its central axis of rotation; the arc-shaped protrusion 71 and the knob 3 can be integrally formed, and the transmission gear 72 and the mandrel 20 can be integrally formed.

In the second embodiment of the present invention, the unlocking process of an automatic garbled code is as follows: first, dial the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 to make The first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are all in the correct position of the password; then, rotate the knob 3 in the forward direction to make the limit pin 61 pass through the garbled code from the closed lock position through the slot 32 The arc-shaped boss 34 moves into the unlocking position through slot 33, so that the lock cylinder tail 4 and the lock tongue 41 rotate forward to unlock; wherein the limit pin 61 is in the process of moving the garbled arc-shaped boss 34, The knob 3 drives the spindle 20 to rotate in the positive direction for at least one rotation through the transmission mechanism 7, so that the spindle 20 drives the first auxiliary bushing 211, the first main bushing 212, the second auxiliary bushing 221, the second main bushing 222, and the The three auxiliary bushings 231, the third main bushing 232, the fourth auxiliary bushing 241, and the fourth main bushing 242 rotate forward at least one circle so that the first garbled protrusion 2112 and the first positioning protrusion 252 interfere with the position The first character wheel 25 and the first main bushing 212 are driven to rotate to the first garbled position of the first character wheel 25, so that the second garbled protrusion 2212 and the second positioning protrusion 262 conflict with the card position and drive the second character wheel 26 and the second main bushing 222 are rotated to the first garbled position of the second character wheel 26, so that the third garbled projection 2312 and the third positioning projection 272 conflict with the card position and drive the third character wheel 27 and the third main lining The sleeve 232 rotates to the first garbled position of the third character wheel 27, and causes the fourth garbled protrusion 2412 and the fourth positioning protrusion 282 to interfere with the locking position and drive the fourth character wheel 28 and the fourth main bush 242 to rotate to The first garbled position of the fourth character wheel 28, thereby automatically dialing the password to hide the password.

In the second embodiment of the present invention, the locking process of an automatic garbled code is: reversely rotate the knob 3 so that the limit pin 61 moves from the open and locked position through slot 33 through the garbled arc-shaped boss 34 into the closed and locked position In the through groove 32, the lock core tail 4 and the lock tongue 41 are rotated in the opposite direction for locking; wherein the limit pin 61 moves on the garbled arc-shaped boss 34, and the knob 3 drives the spindle through the transmission mechanism 7 20 reverse rotation for at least one rotation, so that the mandrel 20 drives the first auxiliary bushing 211, the second auxiliary bushing 221, the third auxiliary bushing 231 and the fourth auxiliary bushing 241 to reverse rotation for at least one rotation, so that the first garbled The convex block 2112 and the first positioning convex block 252 conflict with the detent and drive the first character wheel 25 and the first main bush 212 to rotate to the second garbled position of the first character wheel 25, so that the second garbled convex block 2212 and the second The positioning protrusion 262 resists the card position and drives the second character wheel 26 and the second main bush 222 to rotate to the second position of the second character wheel garbled 26, so that the third garbled protrusion 2312 and the third positioning protrusion 272 interfere with the card Drive the third character wheel 27 and the third main bushing 232 to rotate to the second garbled position of the third character wheel 27, and make the fourth garbled projection 2412 and the fourth positioning projection 282 interfere with the card position and drive the fourth The character wheel 28 and the fourth main bushing 242 rotate to the second garbled position of the fourth character wheel 28, thereby automatically dialing the garbled code to hide the code. In the second embodiment of the present invention, the first character wheel 25, the second character wheel 26, the third character wheel 27, and the fourth character wheel 28 can be rotated to the first garbled position and the second character wheel of the first character wheel 25, respectively. When the first garbled position of the wheel 26, the first garbled position of the third character wheel 27, and the first garbled position of the fourth character wheel 28, the first character wheel 25, the second character wheel 26, the third character wheel 27 and the The four-character wheel 28 can display the number '0' in each character wheel hole 11; and the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 rotate to the first character wheel respectively When the second garbled position of 25, the second garbled position of the second character wheel 26, the second garbled position of the third character wheel 27, and the second garbled position of the fourth character wheel 28, the first character wheel 25, the second character wheel The wheel 26, the third character wheel 27 and the fourth character wheel 28 can all display the number '1' in each character wheel hole 11.

Further, in the second embodiment of the present invention, as shown in FIGS. 27 to 30; the unlocking position slot 33 can be matched with a movable password changing button 332, and the unlocking position slot 33 is provided with a password changing button The outer end of the password changing button 332 passes through the through hole 331 through the through hole 331, and the outer end of the password changing button 332 penetrates the knob 3 from the through hole 331, and the inner end of the password changing button 332 moves against the limit pin 61. When the aforementioned automatic garbled code is in the unlocked state, that is, when the limit pin 61 is fitted into the through slot 33 of the unlocking position, as shown in FIGS. 29 and 30, each lining is pushed by pressing the password change button 332. The sleeve assembly moves so that the first main bushing through groove 2121 is engaged with the second mandrel projection 204, the second main bushing through groove 2221 is engaged with the third mandrel projection 205, and the third main bushing through groove 2321 is engaged with The fourth mandrel projection 206 is engaged, the fourth main bushing through groove 2421 is engaged with the fifth mandrel projection 207, the first main bushing 212 is disengaged from the first character wheel 25, and the second main bushing 222 is disengaged Engaged with the second character wheel 26, the third main bushing 232 is out of engagement with the third character wheel 27, and the fourth main bushing 242 is out of engagement with the fourth character wheel 28, and then the first character wheel can be rotated 25. The second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are used for password replacement.

Further, in the second embodiment of the present invention, as shown in FIGS. 21 and 35 to 40, a rotatable lock core 8 can be fitted in the knob 3, and the lock core 8 is fitted with an emergency key 81 to pass the emergency key 81 Rotate the lock core 8; the panel 1 is provided with a lock core hole 12 corresponding to the lock core 8 to facilitate the insertion of the emergency key 81 into the lock core 8; and the outer wall of the first main bushing 212 is also provided with a second positioning convex The block 262 movably interferes with the second cipher block 2123 of the card position, the outer wall of the second main bush 222 is also provided with a third cipher protrusion 2223 that movably interferes with the third positioning protrusion 272, and the outer wall of the third main bush 232 There is also a fourth code protrusion 2323 that movably interferes with the fourth positioning protrusion 282, and a fifth code protrusion 2423 is also provided on the outer wall of the fourth main bush 242; the knob 3 is fitted with a lock cylinder 8 The code-searching piece 9 which is linked and matched. The code-searching piece 9 is provided with a first clamping portion 91, a second clamping portion 92, a third clamping portion 93, and a fourth clamping portion that move up and down as the lock core 8 rotates. The setting portion 94, the first locking portion 91, the second locking portion 92, the third locking portion 93, and the fourth locking portion 94 are connected to the second cipher bump 2123, the third cipher bump 2223, and the fourth cipher respectively. The convex block 2323 and the fifth code convex block 2423 movably abut against the card position; and the positions of the second code convex block 2123 and the first main bushing slot 2122 are set as follows: the second code convex block 2123 and the first card position When the portion 91 abuts against the card position, the first main bushing through groove 2122 is aligned with the second mandrel protrusion 204; the positions of the third password protrusion 2223 and the second main bushing through groove 2222 are set to: When the password protrusion 2223 and the second clamping portion 92 abut against the card position, the second main bushing through groove 2222 is aligned with the third mandrel protrusion 205; the fourth password protrusion 2323 is connected to the third main bushing The position of the groove 2322 is set such that when the fourth password protrusion 2323 and the third locking portion 93 abut against the locking position, the third main bushing through groove 2322 is aligned with the fourth mandrel protrusion 206; the fifth password protrusion The positions of the block 2423 and the fourth main bushing through groove 2422 are set such that when the fifth cipher block 2423 and the fourth clamping portion 94 abut against the clamping position, the fourth main bushing through groove 2422 and the fifth mandrel convex block 205 aligned. In this way, when the user forgets the password, the first locking portion 91, the second locking portion 92, the third locking portion 93 and the fourth locking portion 94 can be moved up to the code search position by rotating the lock cylinder 8. Therefore, at this time, the first locking portion 91 can interfere with the second cipher block 2123, the second locking portion 92 can interfere with the third cipher bump 2223, and the third locking portion 93 can interfere with the fourth cipher. The convex block 2323 can interfere with the locking position and the fourth locking portion 94 can interfere with the fifth cipher block 2423; then the first character wheel 25 is rotated to drive the first main bushing 212 to rotate to the first locking portion 91 and the first locking portion 91 The second cipher block 2123 conflicts with the locking position, and the second character wheel 26 is rotated to drive the second main bush 222 to rotate until the second locking portion 92 and the third cipher convex block 2223 conflict with the locking position, and the third character wheel 27 is rotated to drive The third main bushing 232 rotates until the third clamping portion 93 and the fourth password protrusion 2323 interfere with the locking position, and the fourth character wheel 28 is rotated to drive the fourth main bushing 242 to rotate to the fourth clamping portion 94 and the fifth The password bump 2423 conflicts with the card position; at this time, the characters displayed in each character wheel hole 11 of the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 are the correct passwords. recover password. The character wheel assembly 2 can be fitted into a character wheel box 29, the limiting pin 61 passes through the character wheel box 29, the second end 202 of the character wheel shaft 20 passes through the character wheel box 29, and the top of the character wheel box 29 is open , The two ends of the second return spring T2 respectively abut the fourth main bushing 242 and the side wall of the character wheel box 29 adjacent to the second end 202 of the character wheel shaft 20; the middle part of the code searching member 9 abuts the bottom of the character wheel box 29, One side of the code member 9 is provided with the first clamping portion 91, the second clamping portion 92, the third clamping portion 93, and the fourth clamping portion 94 that are upwardly tilted; the other side of the code searching member 9 There is a baffle 95 that extends out of the character wheel box 29 and can move up and down; between the other side of the code search piece 9 and the character wheel box 29 is provided a code search return spring 96 that drives the baffle 95 to move down; The lock core 8 is matched with a cam block 82 which can be locked on the bottom of the lock core 8 by a screw d. The top of the cam block 82 is provided with an inclined first cam surface 821, the first cam surface 821 and the baffle 95 The bottom surface is slidingly fitted; through the cooperation of the first cam surface 821 and the bottom surface of the baffle 95, the baffle 95 of the code searching member 9 can be driven to move up and down when the lock core 8 rotates, so that the first clamping portion 91 and the second clamping portion 91 The portion 92, the third engaging portion 93, and the fourth engaging portion 94 move up and down. As shown in FIGS. 35 to 38, the character wheel box 29 is fitted with a positioning piece 291. The positioning piece 291 is provided with four elastic claws. The four elastic claws are the first elastic claw 2911 and the second elastic claw 2912. , The third elastic claw 2913 and the fourth elastic claw 2914, the outer wall of the first character wheel 25 corresponds to the character code of the first character wheel 25 with a plurality of first character wheel positioning grooves 253; the outer wall of the second character wheel 26 corresponds to the The character code of the second character wheel 26 is provided with a plurality of second character wheel positioning grooves 263; the outer wall of the third character wheel 27 is provided with a plurality of third character wheel positioning grooves 273 corresponding to the character code of the third character wheel 27; The outer wall of the wheel 28 is provided with a plurality of fourth character wheel positioning grooves 283 corresponding to the character code of the fourth character wheel 28; the first elastic claw 2911 is movably fitted with each first character wheel positioning groove 253 of the first character wheel 25, The two elastic pawls 2912 are movably fitted with the second character wheel positioning grooves 263 of the second character wheel 26, and the third elastic pawls 2913 are movably fitted with the third character wheel positioning grooves 273 of the third character wheel 27. The fourth elastic The pawls 2914 are movably engaged with the respective fourth character wheel positioning grooves 283 of the fourth character wheel 28, so that each of the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 The rotation angle of φ is limited, so that the first character wheel 25, the second character wheel 26, the third character wheel 27 and the fourth character wheel 28 can rotate accurately.

Further, in the second embodiment of the present invention, as shown in Figure 21, Figure 33, Figure 34, Figure 37 and Figure 38, the lock cylinder 8 can be fitted with a sector gear 83, which can be combined with the cam block 82 One-piece molding; the upper part of the lock cylinder tail 4 can be rotatably fitted to the bottom of the knob 3. The upper part of the lock cylinder tail 4 is provided with a driven gear 42 movably matched with the sector gear 83. The driven gear 42 can be matched with the knob 3 The inner transition gear 43 movably cooperates with the sector gear 83, the transition gear 43 meshes with the driven gear 42, and the transition gear 43 movably meshes with the sector gear 83. The upper side wall of the lock cylinder tail 4 is provided with a limiting groove 44; The inner bottom wall of the knob 3 is fitted with a rotatable swing arm 36 and a swing arm resetting member 37 that drives the swing arm 36 to reset; the two ends of the swing arm 36 are divided into a buckling end 361 and a linking end 362. The buckling end 361 is provided with a buckling portion 3611 that movably buckles with the limiting groove 44; the buckling portion 3611 buckles the limiting groove 44 so that the lock cylinder tail 4 and the knob 3 are mutually restricted, so that the lock cylinder tail 4 cannot be opposed to the knob 3 Rotation; and the buckling portion 3611 is disengaged from the buckling with the limit groove 44, which can release the limit between the lock cylinder tail 4 and the knob 3, so that the lock cylinder tail 4 can rotate relative to the knob 3; the linkage of the swing arm 36 The end 362 is linked with the lock core 8, and the buckling portion 3611 of the swing arm 36 buckles or disengages the limiting groove 44 as the lock core 8 rotates, and when the buckling portion 3611 is disengaged from the limiting groove 44 When the groove 44 is buckled, the sector gear 83 is in drive engagement with the driven gear 42. In this way, by rotating the lock cylinder 8 the buckling portion 3611 can be disengaged from the stop groove 44 so that the lock cylinder tail 4 can face each other Turn the knob 3, and then continue to turn the lock cylinder 8 to drive the lock cylinder tail 4 to rotate through the sector gear 83 and the driven gear 42 to achieve unlocking. The lock cylinder 8 can be set to be turned in the forward direction to unlock, and the lock cylinder 8 can be turned in the reverse direction. To retrieve the password. The outer wall of the cam block 82 is provided with a second cam surface 822 whose radius gradually expands in the circumferential direction of the lock core 8. The second cam surface 822 is in sliding fit with the side surface of the linkage end 362 of the swing arm 36, so that the swing arm reset member 37 With cooperation, the rotation of the lock cylinder 8 can drive the swing arm 36 to rotate, so that the buckling portion 3611 of the swing arm 36 engages with the limit groove 44 or detaches from the limit groove 44 as the lock cylinder 8 rotates; The swing arm reset member 37 is a U-shaped elastic piece fixed on the inner bottom wall of the knob 3, and one side of the U-shaped elastic piece abuts on the side of the buckling end 361 of the swing arm 36 opposite to the buckling portion 3611, thereby driving the swing arm 36 Reset after turning.

The above-mentioned embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by those of ordinary skill in the art should be regarded as not departing from the patent scope of the present invention.

Claims

An automatic garbled code lock, comprising a panel, a character wheel assembly, a knob and a fixing seat; the knob is rotatably installed between the panel and the fixing seat up and down, and the top of the knob is open; the character wheel assembly is installed in the knob, and Features are:

The character wheel assembly includes a mandrel, n bushing components that are movable sleeved on the mandrel, and n character wheels respectively sleeved on each of the bushing components, n is an integer greater than or equal to 2, and each of the bushing components is mutually offset The two ends of the mandrel are divided into a first end and a second end, and the n bushing components are sequentially divided into the first bushing assembly to the n-th bushing assembly along the direction from the first end to the second end of the mandrel ; Wherein each bushing assembly includes two bushings sleeved on the mandrel and abutting against each other, the two bushings of the i-th bushing assembly are sequentially divided into the first end to the second end of the mandrel i auxiliary bushing and i-th main bushing, i is an integer from 1 to n; the i-th main bushing inner wall is provided with the i-th main bushing through groove, and the i-th auxiliary bushing inner wall is provided with the i-th auxiliary bushing through groove ; The n character wheels are divided into the first character wheel to the nth character wheel in the direction from the first end to the second end of the mandrel. The panel is provided with n characters for the first character wheel to the nth character wheel to be inserted respectively The character wheel hole, where the i-th character wheel is movably sleeved with the i-th character wheel of the i-th main bushing and the i-th auxiliary bushing, the i-th character wheel is movably meshed with the i-th main bushing, and the inner wall of the i-th character wheel is provided The i-th positioning bump, the outer wall of the i-th auxiliary bush is provided with an i-th garbled bump that movably conflicts with the i-th positioning bump;

The first end of the mandrel is fitted with a push block that can move in the axial direction of the mandrel, the inner side of the push block abuts against the first auxiliary bushing, and a resetting drive is provided between the push block and the first end of the mandrel. The first return spring is fitted with a limit pin on the outside of the push block; a second return spring is provided between the second end of the mandrel and the n-th main bush; the mandrel is located along the first end of the mandrel to The direction of the second end is successively provided with n+1 mandrel projections arranged in a straight line, and the n+1 mandrel projections are sequentially divided into the first mandrel projection to the second end in the direction from the first end to the second end of the mandrel. The n+1th mandrel projection; the i-th mandrel projection engages with the i-th auxiliary bushing through groove of the i-th auxiliary bushing, the i+1th mandrel projection and the i-th main bushing of the i-th main bushing The sleeve groove is movably engaged; when the first character wheel to the nth character wheel are in the correct position of the code, the first main bushing through groove to the nth main bushing through groove and the first auxiliary bushing through groove to the nth pair The bushing through grooves are aligned with the mandrel protrusions of the mandrel so that the bushing components can move axially along the mandrel;

The inner wall of the knob is provided with a closed and locked position through slot, an open and locked position through groove, and a garbled arc boss. The two ends of the garbled arc boss are respectively connected with the closed and locked position through groove and the open and locked position through groove, and the limit pin is connected to the lock Sliding fit of positioning slot, unlocking slot and garbled arc boss;

When the automatic garbled code lock is unlocked, the knob is turned forward, and the limit pin moves from the through slot in the locked position to the open and locked position slot; when the automatic garbled code lock is locked, the knob is turned in the reverse direction , The limit pin moves from the open and locked position through slot to the closed and locked position through groove through the garbled arc boss; when the limit pin is fitted into the closed and locked position through groove, each bushing assembly moves to the locked position, and the i-th pair The bushing through groove is engaged with the i-th mandrel projection, the i-th main bushing through groove is out of engagement with the i+1th mandrel projection, the i-th main bushing is engaged with the i-th character wheel, the first positioning projection To the nth positioning bump and the first garbled bump to the nth garbled bump are completely misaligned; when the limit pin conflicts with the garbled arc boss, each bushing component moves to the garbled position, and the i-th auxiliary bushing The through groove is engaged with the i-th mandrel projection, the i-th main bushing through groove is disengaged from the engagement with the i+1th mandrel projection, the i-th main bush is engaged with the i-th character wheel, and the i-th positioning projection is i The garbled bumps are relative;

A transmission mechanism is provided between the knob and the second end of the mandrel, and the rotation of the knob drives the mandrel to rotate around the central shaft of the mandrel through the transmission mechanism; and when the limit pin is moving in the garbled arc boss, The knob drives the mandrel to rotate at least one circle through the transmission mechanism.
The automatic garbled code lock according to claim 1, characterized in that: the inner wall of the knob is also provided with a reset arc-shaped boss, and both ends of the reset arc-shaped boss are connected to the closed and locked positions through the grooves and the open and locked positions respectively. The through groove is connected, the reset arc boss and the garbled arc boss are set up and down staggered, and the reset arc boss protrudes inward from the garbled arc boss; the limit pin can be moved up and down to fit on the push block , And the push block is also fitted with a limit pin reset spring for driving the limit pin to reset; the limit pin is slidingly fitted with the reset arc boss; and when the automatic garbled code lock is unlocked, Rotate the knob in the forward direction, and the limit pin moves from the closed and locked position through the groove through the reset arc boss to the open and locked position through groove; when the limit pin is moving in the reset arc boss, the knob drives the core through the transmission mechanism The shaft rotates for at least one week;

The outer wall of the j-th main bush is provided with a j+1-th cipher bump that movably conflicts with the j+1-th positioning bump, j is an integer from 1 to n-1; the outer wall of the first auxiliary bush is provided with The first positioning protrusion movably conflicts with the first password protrusion of the card position; when each bushing component moves to the locked position or the locked position or the garbled position, the first positioning protrusion to the nth positioning protrusion and the first password protrusion The n-th password bumps are completely misaligned; and when the limit pin is in contact with the reset arc-shaped boss, each bushing assembly moves to the reset position, at this time the i-th auxiliary bushing through groove and the i-th mandrel protrusion Engaged, the through groove of the i-th main bushing engages with the i+1-th mandrel protrusion, the i-th main bush is out of engagement with the i-th character wheel, the i-th cryptographic protrusion is opposite to the i-th positioning protrusion, the first positioning The bump to the nth positioning bump and the first to the nth garbled bump are completely misaligned.
The automatic garbled code lock according to claim 2, characterized in that: the knob is fitted with a rotatable lock cylinder, and a lock cylinder hole is provided on the panel corresponding to the lock cylinder;

The outer wall of the n-th main bush is provided with an n+1th code bump; the knob is also fitted with a code search piece that is linked with the lock cylinder, and the code search piece is provided with a code search piece that moves up and down as the lock cylinder rotates. A clamping part to the n-th clamping part, the i-th clamping part to the position where it movably abuts against the i+1th encryption block; the positions of the i+1th encryption block and the i-th main bushing slot are set to : When the (i+1)th cipher block and the i-th clamping portion abut against the clamping position, the through groove of the i-th main bush is aligned with the i+1-th mandrel convex block.
The automatic garbled code lock according to claim 2, wherein the reset arc boss is located above the garbled arc boss, and both ends of the reset arc boss pass through the first inclined guide respectively. The surface and the second inclined guide surface are connected to the closed and locked position through groove and the open and locked position through groove, and the two ends of the garbled arc-shaped boss are respectively connected with the closed and locked position through groove and the open and locked position through the first and second inclined push surfaces. A guide slope inclined downward is formed on the lower side of the reset arc protrusion adjacent to one end of the through slot for opening the locking position; the limit pin reset spring is used to drive the limit pin to move upward.
The automatic garbled code lock according to claim 1, characterized in that: when the automatic garbled code lock is unlocked, the knob is rotated forward, and the limit pin passes through the garbled arc boss from the locked position through the groove Move to the open and lock position slot.
The automatic garbled code lock according to claim 5, characterized in that: the two ends of the garbled arc-shaped boss respectively pass through the first inclined pushing surface and the second inclined pushing surface to close the lock position through groove and the open lock position through groove. Convergence, the garbled arc boss is formed with a raised stop near one end of the through groove of the closed lock position, and one end of the stop near the through groove of the closed lock position is formed with a first stop oblique surface connected with the first oblique pushing surface, and the lower side of the stop A second stop block slope inclined downward is formed; the limit pin can move up and down to fit on the push block, and the push block is also fitted with a limit pin reset spring for driving the limit pin to reset, the limit pin The return spring is used to drive the limit pin to move up.
An automatic garbled code lock according to claim 4 or 6, characterized in that: a sliding groove is provided on the outer side of the push block, and the limit pin can be slidably connected in the sliding groove up and down. The upper and lower ends of the position pin reset spring respectively abut against the bottom of the limit pin and the bottom wall of the sliding groove.
The automatic garbled code lock according to claim 5, characterized in that: the knob is fitted with a rotatable lock cylinder, a lock cylinder hole is provided on the panel corresponding to the lock cylinder; the outer wall of the i-th main bush is provided There is the i+1th code bump; the knob is also matched with a code search piece that is linked to the lock cylinder, and the code search piece is provided with the first clamping part to the nth clamping part that move up and down with the rotation of the lock cylinder , The i-th card set part movably abuts against the card position with the i+1-th password bump; the positions of the i+1-th password bump and the i-th main bushing slot are set as follows: When the block and the i-th clamping part abut against the clamping position, the through groove of the i-th main bush is aligned with the i+1-th mandrel convex block.
An automatic garbled code lock according to claim 3 or 8, characterized in that: the character wheel assembly is fitted in a character wheel box, the limit pin passes through the character wheel box, and the second end of the character wheel shaft passes through Out of the character wheel box, the top of the character wheel box is open;

The middle part of the code search piece abuts against the bottom of the character wheel box, one side of the code search piece is provided with the upwardly tilted first clamping portion to the nth clamping portion; the other side of the code search piece is provided with an extension The character wheel box can be moved up and down; between the other side of the code search piece and the character wheel box is provided with a code search return spring that drives the baffle to move down; a cam block is fitted on the lock core, the cam block The top is provided with an inclined first cam surface, and the first cam surface is in sliding fit with the bottom surface of the baffle.
The automatic garbled code lock according to claim 9, wherein the outer wall of the i-th character wheel is provided with a plurality of i-th character wheel positioning grooves corresponding to the character code of the i-th character wheel; the character wheel box A positioning piece is fitted inside. The positioning piece is provided with n elastic claws. The n elastic claws are sequentially from the first elastic claw to the nth elastic claw. The i-th elastic claw is movably embedded in each i-th character wheel positioning groove of the i-th character wheel. Together.
The automatic garbled code lock according to claim 1, wherein the unlocking position through slot is configured such that when the limit pin is fitted into the unlocking position through slot, the i-th auxiliary bushing through slot is The i-mandrel projections are engaged, the i-th main bushing through-slot is engaged with the i+1-th mandrel projections, the first positioning projections to the nth positioning projections and the first to the nth garbled projections are completely Dislocation, the i-th main bush is out of engagement with the i-th character wheel.
The automatic garbled code lock according to claim 1, characterized in that: the unlocking position slot is matched with a movable password change button, the outer end of the password change button passes through the knob, and the inner end of the password change button is movable Conflict limit pin.
The automatic garbled code lock according to claim 1, wherein the transmission mechanism includes an arc-shaped protrusion arranged in the knob and a transmission gear provided on the second end of the mandrel, the arc-shaped protrusion Concentrically arranged with the knob, the upper end surface of the arc-shaped convex wall is provided with a plurality of transmission teeth along its circumference, and the transmission gear is connected with the second end of the core shaft and movably meshes with each transmission tooth.
The automatic garbled code lock according to claim 1, characterized in that: the bottom of the knob is matched with a lock cylinder tail, and a lock tongue is matched with the lock cylinder tail; Perforated, the fixing seat and the panel are fixedly connected by screws passing through the knob, and the bottom wall of the knob is provided with a sliding hole for the screw to slide.
The automatic garbled code lock according to claim 14, characterized in that: the knob is fitted with a rotatable lock cylinder, the panel is provided with a lock cylinder hole corresponding to the lock cylinder; the lock cylinder is provided with a sector shape Gear; the upper part of the lock cylinder tail is rotatably fitted to the bottom of the knob, and the upper part of the lock cylinder tail is provided with a driven gear that is movably matched with a sector gear; the upper side wall of the lock cylinder tail is provided with a limiting groove; The inner bottom wall of the knob is matched with a rotatable swing arm and a swing arm resetting part that drives the swing arm to reset; the two ends of the swing arm are divided into a buckle end and a linkage end, and the buckle end is provided with a movable buckle with the limit groove The buckling part, the linkage end is linked with the lock cylinder, and the buckling part of the swing arm buckles or disengages from the limit groove with the rotation of the lock cylinder, and when the buckle part disengages from the limit groove When the grooves are engaged, the sector gear and the driven gear are in drive engagement.
The automatic reset and garbled code lock according to claim 15, characterized in that: the lock cylinder is fitted with a cam block, and the outer wall of the cam block is provided with a second cam surface whose radius gradually expands in the circumferential direction of the lock cylinder , The second cam surface is in sliding fit with the side surface of the linkage end of the swing arm.