CN112252847B - Structure for preventing technical unlocking of coded lock - Google Patents

Structure for preventing technical unlocking of coded lock Download PDF

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Publication number
CN112252847B
CN112252847B CN202011254541.9A CN202011254541A CN112252847B CN 112252847 B CN112252847 B CN 112252847B CN 202011254541 A CN202011254541 A CN 202011254541A CN 112252847 B CN112252847 B CN 112252847B
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China
Prior art keywords
password
wheel
shell
password wheel
lock
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CN202011254541.9A
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Chinese (zh)
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CN112252847A (en
Inventor
朱健
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Suzhou Kunshan General Locks Co ltd
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Suzhou Kunshan General Locks Co ltd
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Priority to CN202011254541.9A priority Critical patent/CN112252847B/en
Publication of CN112252847A publication Critical patent/CN112252847A/en
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Publication of CN112252847B publication Critical patent/CN112252847B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • E05B37/02Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • E05B37/0003Permutation or combination locks; Puzzle locks preventing detection of the combination
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • E05B37/12Permutation or combination locks; Puzzle locks with tumbler discs on several axes

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  • Lock And Its Accessories (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a cipher lock anti-technical unlocking structure, wherein one end of a lock gate along the sliding direction is stopped at one end of each cipher wheel group to realize locking, one end of each cipher wheel group is provided with a notch, one end of the lock gate can be accommodated in the notches of all cipher wheels to realize unlocking, one end of the cipher wheel group is also provided with a plurality of clamping grooves which are arranged at intervals along the rotating direction, one end of the lock gate can be clamped with each clamping groove, the cipher wheel group also comprises an outer wheel, an outer wheel connecting piece and a connecting elastic piece, the outer wheel connecting piece is axially and slidably connected with the cipher wheel and is in stop connection in the circumferential direction, the outer wheel is rotatably arranged in a shell, each outer wheel connecting piece can be in meshed transmission with each outer wheel through an axial concave-convex tooth, and the connecting elastic piece maintains elastic holding force for meshed connection with the outer wheel connecting piece.

Description

Structure for preventing technical unlocking of coded lock
Technical Field
The invention relates to a coded lock, in particular to a coded lock technical unlocking prevention structure.
Background
At present, under the condition that the coded lock with the common coded wheel structure is locked, a knob can be rotated to force a lock gate to downwards press the coded wheel, at the moment, corresponding rotating hand feeling can be obtained by rotating the coded wheel, so that whether the number is correct or not can be distinguished, technical unlocking is realized, the coded lock with the coded wheel structure has low safety coefficient, poor technical unlocking prevention performance and easy loss to a user.
Disclosure of Invention
In order to overcome the defects, the invention provides a coded lock technical unlocking prevention structure which can prevent the coded lock from acquiring coded unlocking by technical means.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cipher lock prevents technology and opens structure, includes shell, lock floodgate and two at least password wheelsets, password wheelsets include the password wheel, lock floodgate is reciprocating sliding in the shell and is realized unblanking and shutting, and lock floodgate one end along its slip direction backstop is realized shutting in each password wheel one end of group, is equipped with a breach on each password wheel one end, and lock floodgate one end can hold in all password wheel's breach and realize unblanking, still be equipped with a plurality of draw-in grooves along its rotation direction interval arrangement on password wheel one end, lock floodgate one end can insert and locate in each draw-in groove and realize with password wheel circumferencial direction locking connection, password wheelsets still include the outer wheel, outer wheel connecting piece and connect the elastic component, and at least two outer wheel connecting pieces one-to-one locate on each password wheel of group, and outer wheel connecting piece and password wheel axial can slide and circumference direction locking connection, and at least two outer wheels can rotate locate in the shell, each outer wheel connecting piece can be with each outer wheel through the meshing transmission of axial concave-convex tooth one-to one, connect the elastic component to keep the elastic retention who connects with the outer wheel.
As a further improvement of the invention, the structure of the lock gate sliding reciprocally in the shell to realize unlocking and locking is as follows: the rotary lock is characterized in that a knob is rotatably arranged on the outer side wall of the shell, an unlocking rotating shaft which is connected with a lock cylinder and used for unlocking is arranged on the inner side of the shell, the unlocking rotating shaft is fixedly connected with the knob coaxially, the outer side wall of the circumference of the unlocking rotating shaft and the other end of the locking brake along the sliding direction of the locking brake are meshed and positioned through a concave structure and a convex structure, and a locking brake elastic piece is further arranged and provides elastic retaining force for the locking brake, wherein the elastic retaining force is kept and inserted in the concave structure of the unlocking rotating shaft.
As a further improvement of the invention, the end part of the convex structure at the other end of the lock gate is a round head structure, and the concave structure on the outer side of the circumference of the unlocking rotating shaft is an arc-shaped groove matched with the end part of the convex structure; or the end part of the outer convex structure of the circumference of the unlocking rotating shaft is of a round head structure, and the inner concave structure on the other end of the locking brake is of an arc-shaped groove matched with the end part of the outer convex structure.
As a further improvement of the invention, the invention is also provided with a connecting rotating shaft, a sender and a bullet feeding elastic piece, wherein the connecting rotating shaft is arranged in the shell, one end of the connecting rotating shaft is fixedly connected with the knob coaxially, the inner side of the unlocking rotating shaft is provided with an axial perforation, the other end of the connecting shaft can be rotationally inserted into the axial perforation of the unlocking rotating shaft, a radial slideway is formed on the side wall of the axial perforation, the sender can be slidably arranged in the radial slideway, the sender can be clamped and positioned with the outer side wall of the circumference of the other end of the connecting rotating shaft so as to prevent the connecting rotating shaft from rotating relative to the axial perforation, and the bullet feeding elastic piece can provide elastic holding force for the sender to keep clamping and positioning with the connecting rotating shaft.
As a further improvement of the invention, the other end of the connecting rotating shaft is provided with an eccentric structure with a cross section of a circle, the axial perforation in the unlocking rotating shaft is a round hole, the carrier is provided with a plane structure, and the plane structure and the axial perforation can jointly form an eccentric hole structure with a cross section of a circle, which is matched with the shape of the other end of the connecting rotating shaft.
As a further improvement of the invention, the cipher wheel comprises an outer cipher wheel and an inner cipher wheel, cipher marks are arranged on the outer side of the circumference of the outer cipher wheel at intervals, one end of the inner cipher wheel with a small diameter in a T-shaped structure is inserted into the outer cipher wheel, the inner side of the outer cipher wheel forms a key slot structure, one end root of the inner cipher wheel with a small diameter is provided with a key structure matched with the inner key slot structure of the outer cipher wheel, one end with a large diameter of the inner cipher wheel is stopped at one end of the outer cipher wheel, the inner cipher wheel axial end faces of two adjacent cipher wheel assemblies are tightly attached, notches and clamping grooves of each cipher wheel are uniformly arranged on one end with a large diameter of the inner cipher wheel at intervals along the circumference direction, at least two protruding points are arranged on the side wall of the lock gate at intervals along the sliding direction of the lock gate, the protruding points are right opposite to one of the notches and the clamping grooves on each inner cipher wheel, and the outer cipher wheel connecting piece can axially slide and is stopped on the outer cipher wheel along the circumference direction.
As a further improvement of the invention, the password wheel is also provided with a central shaft, a password wheel elastic part and a password adjusting part, wherein at least one central shaft is axially and slidably arranged in the shell, each password wheel group is sequentially sleeved outside the central shaft, one end of the central shaft is provided with a circle of radially outwards protruding stop ring, the stop ring can be inserted into an outer password wheel of the password wheel assembly positioned at one end of the central shaft, the stop ring is stopped on the end face of one axial end of an inner password wheel of the password wheel group, the password wheel elastic part can provide reset elastic force towards one end direction of the central shaft for the inner password wheel of the password wheel group sleeved at the other end of the central shaft, the password adjusting part can be axially and slidably arranged on the shell along the central shaft, and the password adjusting part can drive the central shaft to axially slide.
As a further improvement of the invention, the number adjusting part comprises a number adjusting knob, a number adjusting elastic part and an adjusting block, wherein a countersunk through hole with the inner diameter larger than the outer diameter of the outer shell is arranged on the outer shell, an inner concave limit groove is arranged on the inner side wall of one end with the smaller diameter of the countersunk through hole, the number adjusting knob is axially and slidably inserted into the countersunk through hole of the outer shell, an outer convex limit point is arranged on the outer side wall of one end of the number adjusting knob, which faces the outer direction of the outer shell, of the number adjusting knob, the outer convex limit point and an inner concave limit groove in the countersunk through hole of the outer shell can be in inserted connection and positioning in the circumferential direction, the outer convex limit point on the number adjusting knob can be rotatably accommodated in one end with the larger diameter of the countersunk through hole, one end of the number adjusting knob stretches into the outer shell to form an eccentric structure, the adjusting slider can axially slide along a set distance along a central shaft and is arranged in the outer shell, the stop ring at one end of each central shaft is tightly propped against one end surface of the password wheel set, the eccentric structure at one end of the adjusting slider is tightly propped against one side surface of the outer limit block, and the number adjusting elastic part provides elastic force for the number adjusting knob with the outer limit groove.
As a further improvement of the invention, a T-shaped hollowed-out part is arranged on the shell, the outer circumferential surface of the outer wheel extends to the outer side of the shell through the T-shaped hollowed-out part, the T-shaped hollowed-out part can just face a password mark on the outer password wheel, a password window is fixedly arranged on the inner side of the shell, a hollowed-out window which faces the outer password wheel and the outer wheel is formed on the password window, and an arc-shaped avoiding part which faces the large diameter end of the inner password wheel is arranged on the password window.
As a further improvement of the invention, the outer side wall of the circumference of the outer wheel is provided with a spline structure, the outer shell is also fixedly provided with an elastic pad, one end of the elastic pad is provided with a plurality of elastic cantilever structures, and the elastic cantilever structures elastically abut against the spline structure surface on the outer wheel.
The beneficial effects of the invention are as follows: according to the invention, the outer wheel and the password wheel are in meshed connection through the outer wheel and the outer wheel connecting piece, so that the outer wheel and the password wheel are driven to rotate synchronously, the outer wheel connecting piece and the password wheel axially elastically slide, and the lock brake is clamped with the password wheel clamping groove, so that the outer wheel and the password wheel are separated from each other to idle when the technical unlocking is realized, the password is prevented from being obtained for unlocking through the technical means, the technical unlocking is avoided, the use safety coefficient of the password lock is improved, the transmitter is arranged on the unlocking rotating shaft, the rotating knob is rotated under the condition of wrong password, the connecting rotating shaft on the knob can force the transmitter to retract against the elastic force of the elastic piece, the idle rotation of the knob is realized, the overload protection of the knob is realized, and the lock body is prevented from being damaged due to forced unlocking of external force.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of the cipher wheel set number adjustment principle of the present invention;
FIG. 4 is an exploded view of the knob overload protection structure of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along B-B in FIG. 5;
fig. 8 is a cross-sectional view taken along the direction C-C in fig. 5.
Detailed Description
Examples: the utility model provides a cipher lock prevents technology and opens structure, includes shell 1, lock floodgate 2 and at least two sets of cipher wheelset 3, cipher wheelset 3 includes the cipher wheel, lock floodgate 2 is in the reciprocal slip realization unblanking and shutting of shell 1, lock floodgate 2 is along the one end backstop of its slip direction in each cipher wheel one end realization shutting, be equipped with a breach 4 on each cipher wheel one end, lock floodgate 2 one end can hold and realize unblanking in breach 4 of all cipher wheels, still be equipped with a plurality of draw-in grooves 5 along its rotation direction interval arrangement on cipher wheel one end, lock floodgate 2 one end can insert locate in each draw-in groove 5 realization with cipher wheel circumference direction stopping connection, cipher wheelset 3 still includes outer wheel 6, outer wheel connecting piece 7 and connection elastic component 8, at least two outer wheel connecting piece 7 one-to-one locates on each cipher wheel, and outer wheel connecting piece 7 and cipher wheel axial can slide and circumference direction stopping connection, at least two outer wheel 6 can rotate locate in shell 1, each outer wheel connecting piece 7 can with each 6 through the meshing transmission of axial gear correspondence, elastic component 8 keeps elastic connection with outer wheel 6 to keep elastic connection with outer wheel 6.
The password lock is opened by rotating the password wheels to enable the password on the password lock to be consistent with a preset password, and a plurality of groups of password wheels are arranged on the general password lock to realize a plurality of password settings, if 6 groups of password wheels are arranged, 10 groups of numbers are arranged on each password wheel, and the total 1000000 groups of numbers can be shoveled and shot, and when the password lock is opened: after the gaps 4 on each group of cipher wheels are correspondingly matched with one end of the lock gate 2 through turning the cipher wheels, one end of the lock gate 2 can be contained in all the gaps 4 on each group of cipher wheels, and the lock gate 2 can be unlocked in a sliding way.
Under the condition that the password is incorrect, the lock is forced to unlock to enable the lock gate 2 to be pressed downwards, at the moment, one end of the lock gate 2 is inserted into the clamping groove 5 at one end of the password wheel, at the moment, the lock gate 2 and the password wheel are in a clamping state, the password wheel is limited by the lock gate 2 and cannot rotate, at the moment, the outer wheel 6 is rotated, because the outer wheel connecting piece 7 is limited by the circumference direction of the password wheel and cannot synchronously rotate with the outer wheel 6, the elastic force of the connecting elastic piece 8 is overcome, axial displacement is generated, and then the outer wheel 6 and the password wheel are in a separation state, the outer wheel 6 is rotated, the outer wheel 6 is in an idle state, the password wheel is not driven, the rotating hand feeling cannot be generated, whether the number is correct or not can not be distinguished by a technology, and the password lock is prevented from being opened by the technology.
The structure of the lock gate 2 sliding reciprocally in the shell 1 to realize unlocking and locking is as follows: the rotary lock is characterized in that a knob 9 is rotatably arranged on the outer side wall of the shell 1, an unlocking rotating shaft 10 which is connected with a lock cylinder and used for unlocking is arranged on the inner side of the shell 1, the unlocking rotating shaft 10 is fixedly connected with the knob 9 coaxially, the outer side wall of the circumference of the unlocking rotating shaft 10 and the other end of the lock gate 2 along the sliding direction of the unlocking rotating shaft are positioned in a meshed mode through a concave structure 11 and a convex structure 12, a lock gate elastic piece 13 is further arranged, and the lock gate elastic piece 13 provides elastic retaining force for the lock gate 2, wherein the elastic retaining force is kept and inserted in the concave structure 11 of the unlocking rotating shaft 10. When the notches 4 on each group of cipher wheels are just opposite to one end of the lock gate 2, the knob 9 is rotated to drive the unlocking rotating shaft 10 to rotate, the unlocking rotating shaft 10 rotates to force the lock gate 2 to slide, one end of the lock gate 2 is accommodated in the notch 4 of the cipher wheel, the concave structure 11 and the convex structure 12 on the lock gate 2 and the unlocking rotating shaft 10 are tripped, the unlocking rotating shaft 10 rotates to drive the lock cylinder to rotate, unlocking is achieved, other modes can be adopted, for example, unlocking is achieved through clamping the other end of the lock gate 2 with the clamping groove 5 on the lock ring, unlocking is achieved through tripping the clamping groove 5 with the lock gate 2 by pulling the lock ring, and the like.
The end part of the outer convex structure 12 at the other end of the lock gate 2 is of a round head structure, and the inner concave structure on the outer side of the circumference of the unlocking rotating shaft 10 is of an arc-shaped groove matched with the end part of the outer convex structure; or the end part of the outer convex structure 12 on the circumference of the unlocking rotating shaft 10 is of a round head structure, and the inner concave structure 11 on the other end of the locking brake 2 is of an arc-shaped groove matched with the end part of the outer convex structure. The lock gate 2 is smoothly withdrawn when the lock is unlocked through the cooperation of the round head structure and the arc-shaped groove, so that the clamping phenomenon is avoided.
The connecting rotary shaft 14 is arranged in the shell 1, one end of the connecting rotary shaft 14 is fixedly connected with the knob 9 in a coaxial mode, an axial through hole 17 is formed in the inner side of the unlocking rotary shaft 10, the other end of the connecting shaft can be rotationally inserted into the axial through hole 17 of the unlocking rotary shaft 10, a radial slide way 18 is formed in the side wall of the axial through hole 17, the feeder 15 can be slidably arranged in the radial slide way 18, the feeder 15 can be clamped and positioned with the outer side wall of the circumference of the other end of the connecting rotary shaft 14 so as to prevent the connecting rotary shaft 14 from rotating relative to the axial through hole 17, and the feeder 16 can provide elastic retaining force for the feeder 15 to keep clamping and positioning with the connecting rotary shaft 14. The rotary knob 9 can drive the unlocking rotary shaft 10 to rotate for unlocking through the connecting rotary shaft 14, and when the password is incorrect, the lock gate 2 cannot move, and the unlocking rotary shaft 10 cannot rotate; when the rotation torque born by the knob 9 is larger than the elastic force of the spring of the sender 15, the connecting rotating shaft 14 can force the sender 15 to move along the direction of the spring of the sender 15 to avoid, and at the moment, the knob 9 is free-wheeling, so that overload protection of the knob 9 is formed, and the problem that the lock body is damaged due to forced rotation of the knob 9 to unlock when the password is incorrect is avoided.
The other end of the connecting rotating shaft 14 forms an eccentric structure with a cross section of a circle, the axial perforation 17 in the unlocking rotating shaft 10 is a round hole, the feeder 15 is formed with a plane structure, and the plane structure and the axial perforation 17 can jointly form an eccentric hole structure with a cross section of a circle, which is matched with the shape of the other end of the connecting rotating shaft 14.
The password wheel comprises an outer password wheel 19 and an inner password wheel 20, password marks are arranged on the outer side of the circumference of the outer password wheel 19 at intervals, one small-diameter end of the inner password wheel 20 in a T-shaped structure is inserted into the outer password wheel 19, a key groove structure 21 is formed on the inner side of the outer password wheel 19, a key structure 22 matched with the key groove structure 21 in the outer password wheel 19 is formed at the root of the small-diameter end of the inner password wheel 20, one large-diameter end of the inner password wheel 20 is stopped at one end of the outer password wheel 19, the axial end faces of the inner password wheels 20 of two adjacent password wheel sets 3 are tightly attached, notches 4 and clamping grooves 5 of each password wheel set are uniformly arranged on one large-diameter end of the inner password wheel 20 at intervals along the circumferential direction, at least two convex points 23 are arranged on the side wall of a lock gate 2 at intervals along the sliding direction of the lock gate, the convex points 23 are just opposite to one of the notches 4 and clamping grooves 5 on each inner password wheel 20, and the outer wheel connecting piece 7 can axially slide and are stopped in the circumferential direction and are arranged on the outer password wheel 19.
The password wheel set is characterized by further comprising a central shaft 24, a password wheel elastic piece 25 and a password adjusting piece, wherein at least one central shaft 24 is axially and slidably arranged in the shell 1, each group of password wheel sets 3 are sequentially sleeved on the outer side of the central shaft 24, one end of the central shaft 24 is provided with a circle of radially outwards protruding stop ring 26, the stop ring 26 can be inserted into the outer password wheel 19 of the password wheel set 3 at one end of the central shaft 24, the stop ring 26 is stopped on the end face of one axial end of the inner password wheel 20 of the group of password wheel sets 3, the password wheel elastic piece 25 can provide reset elastic force towards one end direction of the central shaft 24 for the inner password wheel 20 of the password wheel set 3 sleeved at the other end of the central shaft 24, the password adjusting piece can be axially and slidably arranged on the shell 1 along the central shaft 24, and the password adjusting piece can drive the central shaft 24 to axially slide. When the number is adjusted, the number adjusting piece forces the central shaft 24 to axially slide, and then drives the inner password wheel 20 to axially slide, so that the inner password wheel 20 and the outer password wheel 19 are tripped, at the moment, the outer password wheel 19 is rotated to realize password replacement, after the adjustment is finished, the number adjusting piece is loosened, and the inner password wheel 20 is reset and is in a clamping state with the outer password wheel 19 under the elastic action of the password wheel elastic piece 25.
The utility model provides a cipher wheel set, including the shell 1, the setting member includes setting knob 27, setting elastic component 28 and regulating block 29, be equipped with one on the shell 1 towards the inside diameter of shell 1 be greater than towards the countersunk through-hole of shell 1 outside diameter, and be equipped with indent spacing groove on the inside wall of this countersunk through-hole diameter one end, setting knob 27 axial can be slided and locate in the countersunk through-hole of shell 1, be equipped with the evagination spacing point 30 on the one end circumference lateral wall of setting knob 27 towards the outside direction of shell 1, the grafting location that can circumferential direction stop of indent spacing groove in setting knob 30 and the countersunk through-hole of shell 1 on setting knob 27, and the evagination spacing point 30 on the setting knob 27 can be pivoted hold in the one end that countersunk through-hole diameter is big, the one end that setting knob 27 stretches into shell 1 inside forms eccentric structure, the setting slider can be followed the installation of center pin 24 axial slip setting distance in shell 1, the setting slider tightly supports the stop collar 26 of each center pin 24 one end back cipher wheel set 3 one end surface, the eccentric structure of setting knob 27 one end tightly supports adjusting slider back cipher wheel set 3 one side surface, setting knob 27 one end, and the elastic component provides the location spacing force with setting knob 30. Under the state that the password is correct, the password adjusting knob 27 is pressed firstly, so that the outer protruding limiting point 30 on the password adjusting knob is slid into the countersunk head of the countersunk head through hole, the password adjusting knob 27 is rotated at the moment, the adjusting knob 9 drives the adjusting block 29 to slide, and then all inner wheels are pushed to the password wheel to be tripped with the outer password wheel 19, at the moment, the notch 4 on the inner wheels is meshed with the salient point 23 of the lock gate 2, at the moment, the inner wheels are separated from the password wheel, the password wheel can be dialed to realize the password adjustment, and after the password adjustment is finished, the password adjusting knob 27 is reset.
The outer shell 1 is provided with a T-shaped hollowed-out part 31, the circumferential outer side surface of the outer wheel 6 extends to the outer side of the outer shell 1 through the T-shaped hollowed-out part 31, the T-shaped hollowed-out part 31 can just face a password mark on the outer password wheel 19, the inner side of the outer shell 1 is fixedly provided with a password window 32, the password window 32 is provided with a hollowed-out window which faces the outer password wheel 19 and the outer wheel 6, and the password window 32 is provided with an arc avoidance part which faces the large diameter end of the inner password wheel 20. The password is displayed through the T-shaped hollowed-out part 31, the outer wheel 6 is poked, and the password window 32 plays a limiting role on the password wheel and the outer wheel 6.
The outer wheel 6 is provided with a spline structure on the circumferential outer side wall, the shell 1 is also fixedly provided with an elastic pad 33, one end of the elastic pad 33 is provided with a plurality of elastic cantilever structures, and the elastic cantilever structures elastically abut against the spline structure surface on the outer wheel 6. The outer wheel 6 can be touched better, and one password can be rotated at a time, so that the overlarge poking force and the overlarge password jumping are avoided.

Claims (7)

1. The utility model provides a trick lock prevents technology and opens structure, includes shell (1), lock floodgate (2) and two at least password wheelsets (3), password wheelset includes the password wheel, the lock floodgate is reciprocal to slide in the shell and is realized unblanking and shutting, and the lock floodgate is realized shutting in each password wheel one end of group along its slip direction's one end backstop, is equipped with a breach (4) on each password wheel one end of group, and lock floodgate one end can hold and realize unblanking in the breach of all password wheels, its characterized in that: the password wheel is characterized in that a plurality of clamping grooves (5) which are arranged at intervals along the rotation direction of the password wheel are further formed in one end of the password wheel, one end of a lock brake can be inserted into each clamping groove to be connected with the circumference of the password wheel in a stop mode, the password wheel set further comprises outer wheels (6), outer wheel connecting pieces (7) and connecting elastic pieces (8), at least two outer wheel connecting pieces are arranged on each group of password wheels in a one-to-one mode, the outer wheel connecting pieces are connected with the password wheels in a sliding mode and in a circumferential mode, at least two outer wheels can be arranged in a shell in a rotating mode, each outer wheel connecting piece can be in meshed transmission with each outer wheel in a one-to-one mode through axial concave-convex teeth, the connecting elastic pieces keep elastic retaining force connected with the outer wheels in a meshed mode, and the lock brake can slide in the shell in a reciprocating mode to achieve unlocking and locking modes: the utility model provides a lock brake elastic component (13), lock brake elastic component provides the elasticity holding power that keeps inserting in the interior concave structure of unblanking pivot for lock brake, still is equipped with connection pivot (14), send son (15) and send bullet elastic component (16), connection pivot is located in the shell, and connection pivot one end links firmly with the knob is coaxial, unblanking pivot inboard is equipped with axial perforation (17), the connection pivot other end can be pivoted insert locate the axial perforation of unblanking pivot, be formed with a radial slide (18) on this axial perforation lateral wall, send the son can slide locate in this radial slide, send the son can with connection pivot other end circumference lateral wall block location and then prevent the relative axial perforation rotation of connection pivot, send bullet elastic component can provide the elastic holding power that keeps with connection block location for lock brake, send the pivot and form the eccentric configuration to form the eccentric configuration for the pivot of cross section on the cross section, the eccentric configuration is formed for the eccentric configuration of connection pivot, the eccentric configuration is formed in the eccentric configuration.
2. The combination lock anti-technical unlocking structure according to claim 1, wherein: the end part of the outer convex structure at the other end of the lock brake is of a round head structure, and the inner concave structure on the outer side of the circumference of the unlocking rotating shaft is of an arc-shaped groove matched with the end part of the outer convex structure; or the end part of the outer convex structure of the circumference of the unlocking rotating shaft is of a round head structure, and the inner concave structure on the other end of the locking brake is of an arc-shaped groove matched with the end part of the outer convex structure.
3. The combination lock anti-technical unlocking structure according to claim 1, wherein: the password wheel comprises an outer password wheel (19) and an inner password wheel (20), password marks are arranged on the outer side of the circumference of the outer password wheel at intervals, one end of the inner password wheel with a T-shaped structure and with a small diameter is inserted into the outer password wheel, a key groove structure (21) is formed on the inner side of the outer password wheel, a section of key structure (22) matched with the key groove structure in the outer password wheel is formed at the root of one end with the small diameter of the inner password wheel, one end with a large diameter of the inner password wheel is stopped at one end of the outer password wheel, the axial end faces of the inner password wheel of two adjacent password wheel assemblies are tightly attached, gaps and clamping grooves of the password wheels of each group are uniformly arranged on one end with a large diameter of the inner password wheel at intervals along the circumferential direction, at least two protruding points (23) are arranged on the side wall of the lock brake at intervals along the sliding direction of the inner password wheel, the protruding points are right opposite to one of the gaps and the clamping grooves of the inner password wheel, and the outer password wheel can slide axially and are stopped in the circumferential direction.
4. A combination lock anti-technical unlocking structure according to claim 3, wherein: the password wheel assembly is characterized by further comprising a central shaft (24), a password wheel elastic piece (25) and a password adjusting piece, wherein at least one central shaft can be axially and slidably arranged in the shell, each group of password wheel assemblies are sequentially sleeved on the outer side of the central shaft, one end of the central shaft is provided with a circle of radially outwards protruding stop ring (26), the stop ring can be inserted into an outer password wheel of the password wheel assembly at one end of the central shaft, the stop ring is stopped on the end face of one axial end of an inner password wheel of the group of password wheel assemblies, the password wheel elastic piece can provide reset elastic force towards one end direction of the central shaft for the inner password wheel of the password wheel assembly sleeved on the other end of the central shaft, the password adjusting piece can be axially and slidably arranged on the shell along the central shaft, and the password adjusting piece can drive the central shaft to axially slide.
5. The combination lock release mechanism of claim 4, wherein: the utility model provides a quick-witted speed regulation spare, the quick-witted speed regulation spare includes speed regulation knob (27), speed regulation elastic component (28) and regulating block (29), be equipped with one on the shell and be greater than towards the countersunk through-hole of shell outside diameter towards shell inside diameter, and be equipped with indent spacing groove on the one end inside wall that this countersunk through-hole diameter is little, speed regulation knob axial can gliding insert locate in the countersunk through-hole of shell, be equipped with evagination spacing point (30) on the one end circumference lateral wall of speed regulation knob towards the outside direction of shell, the grafting location that can the circumferencial direction stop of evagination spacing groove in speed regulation knob upper evagination spacing point and the shell countersunk through-hole, and the evagination spacing point on the speed regulation knob can pivoted hold in the one end that countersunk through-hole diameter is big, the speed regulation knob stretches into the one end of shell inside and forms eccentric structure, the regulating block can be along the installation of center pin axial slip setting distance in the shell, the stop ring of each center pin one end of regulating block tight support, the eccentric structure of speed regulation block one end tightly supports regulating block one side surface of cipher block back to the password, and the elasticity spacing position limit of speed regulation block, and the elasticity spacing piece provides the grafting location of keeping evagination spacing position and evagination spacing position for the knob.
6. A combination lock anti-technical unlocking structure according to claim 3, wherein: the outer shell is provided with a T-shaped hollowed-out part (31), the outer side surface of the circumference of the outer wheel extends to the outer side of the outer shell through the T-shaped hollowed-out part, the T-shaped hollowed-out part can just face a password mark on the outer password wheel, the inner side of the outer shell is fixedly provided with a password window (32), the password window is provided with a hollowed-out window which faces the outer password wheel and the outer wheel, and the password window is provided with an arc avoidance part which faces the large end of the diameter of the inner password wheel.
7. The combination lock anti-technical unlocking structure according to claim 1, wherein: the outer wheel circumference lateral wall is last to form the flower tooth structure, and the shell is still fixed to be equipped with elastic pad (33), and elastic pad one end is formed with a plurality of elasticity cantilever structures, and the flower tooth structure surface on the outer wheel is tightly supported to elasticity cantilever structure elasticity.
CN202011254541.9A 2020-11-11 2020-11-11 Structure for preventing technical unlocking of coded lock Active CN112252847B (en)

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CN113565372A (en) * 2021-09-08 2021-10-29 浙江中立集团有限公司 Puzzle lock

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CA1241980A (en) * 1983-06-13 1988-09-13 Walter E. Best Break-away knob driver
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CN201874313U (en) * 2010-11-25 2011-06-22 易建华 Clutch protecting mechanism of mechanical lock
CN104141423A (en) * 2013-05-08 2014-11-12 昆山通用锁具有限公司 Technical unlocking preventing coded lock structure
GB201505362D0 (en) * 2015-03-27 2015-05-13 Littler Mike D R Improvements in combination lock tumbler defence mechanisms
KR101813241B1 (en) * 2017-11-14 2017-12-29 송정기 Password on-exposed type dial lock
JP2018162659A (en) * 2017-03-24 2018-10-18 敷島金属工業株式会社 Lock device
CN109252745A (en) * 2018-11-01 2019-01-22 苏州琨山智能科技有限公司 Double trick lock structure
CN214403090U (en) * 2020-11-11 2021-10-15 苏州琨山智能科技有限公司 Technical unlocking prevention structure of coded lock

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1241980A (en) * 1983-06-13 1988-09-13 Walter E. Best Break-away knob driver
US5582049A (en) * 1993-12-17 1996-12-10 Mauer Gmbh Combination lock with four dial buttons
CN201874313U (en) * 2010-11-25 2011-06-22 易建华 Clutch protecting mechanism of mechanical lock
CN104141423A (en) * 2013-05-08 2014-11-12 昆山通用锁具有限公司 Technical unlocking preventing coded lock structure
GB201505362D0 (en) * 2015-03-27 2015-05-13 Littler Mike D R Improvements in combination lock tumbler defence mechanisms
JP2018162659A (en) * 2017-03-24 2018-10-18 敷島金属工業株式会社 Lock device
KR101813241B1 (en) * 2017-11-14 2017-12-29 송정기 Password on-exposed type dial lock
CN109252745A (en) * 2018-11-01 2019-01-22 苏州琨山智能科技有限公司 Double trick lock structure
CN214403090U (en) * 2020-11-11 2021-10-15 苏州琨山智能科技有限公司 Technical unlocking prevention structure of coded lock

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