CN110206400B - Improved puzzle lock - Google Patents
Improved puzzle lock Download PDFInfo
- Publication number
- CN110206400B CN110206400B CN201910553659.2A CN201910553659A CN110206400B CN 110206400 B CN110206400 B CN 110206400B CN 201910553659 A CN201910553659 A CN 201910553659A CN 110206400 B CN110206400 B CN 110206400B
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- Prior art keywords
- lock
- shell
- password
- character wheel
- shaft
- Prior art date
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/0031—Locks with both permutation and key actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/0048—Permutation or combination locks; Puzzle locks with changeable combination
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/02—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an improved coded lock, which comprises a shell, a lock shell, a coded box and tongue pieces, wherein the shell is provided with a lock body; the shell consists of a shell and a panel, wherein the panel is fixed on the top surface of the shell to form a containing cavity of the shell; the lock case is characterized in that the middle of the lock case is rotatably sleeved on one side of the case, the code box is arranged in the accommodating cavity of the case and is matched and linked with the lock case, and the lock case penetrates through the penetrating end of the case to fix the sleeved tongue piece. The lock shell on the lock shell can drive the sliding block in the password box to transversely move, so that password replacement operation is performed, and the lock has the advantage of convenience in operation.
Description
Technical Field
The invention relates to a lockset, in particular to an improved coded lock.
Background
The character wheel mechanical coded lock has the advantages of convenience of the electronic coded lock and stability of the key mechanical lock, and has wide market application range. The operation is unique, one character wheel is shifted, a preset number is rotated, one password is input, other character wheels are repeatedly shifted in this way, and unlocking can be performed until the last password is input.
In 2019, 1 month and 11 days, CN109184337a published in china, an automatic turbocode lock. When the coded lock is needed to be replaced, the mode of pushing the coded key is inconvenient to operate and affects the appearance, and meanwhile, when certain public application occasions such as supermarkets, natatorium and the like are met, the coded lock is frequently replaced according to different customers when the lockset is used due to large people flow, and the coded lock in the patent is inconvenient to operate because the coded key is frequently input and pushed to reset the coded key.
Disclosure of Invention
The invention aims to provide an improved coded lock which is convenient to operate. The password lock can change the password by rotating the lock shell position while keeping the automatic password disorder function of the original password lock.
In order to achieve the above object, the technical solution of the present invention is:
the invention relates to an improved coded lock, which comprises a shell, a lock shell and a coded box; the lock shell is rotatably sleeved on one side of the shell accommodating cavity, the code box is arranged in the other side of the shell accommodating cavity, and the code box is matched and linked with the lock shell;
the outer wall of the lock shell is provided with an inner cam groove which is axially arranged along the rotation of the lock shell in the shell, a radial groove which is radially arranged along the rotation of the lock shell in the shell, a transverse groove which is axially arranged along the rotation of the lock shell in the shell and a boss which is arranged between the radial groove and the transverse groove; the inner cam groove consists of a plurality of transverse groove sections and a plurality of inclined surface groove sections;
the password box comprises a base, a cover plate, a retainer, a sliding block, a password shaft assembly, a plurality of bushings, a plurality of character wheel assemblies, a check ring, a plurality of character wheel positioning sheets, a plurality of buckles, a reset spring plate, a lifting rod, a password shaft spring and a password changing spring; the cover plate is fixed on the top surface of the base, the bush is rotatably arranged in a middle hole of the character wheel assembly in a penetrating way, two ends of the password shaft assembly are respectively and movably arranged at two ends of the retainer, so that the character wheel assembly with the bush arranged in the penetrating way is limited in the retainer, the sliding block is movably sleeved at one end of the password shaft assembly and positioned at the outer side of the retainer close to the lock shell, and the check ring is movably sleeved at the other end of the password shaft assembly and positioned at the outer side of the retainer; the character wheel positioning pieces are clamped with the buckles at intervals, the character wheel positioning pieces and the buckles are arranged below the character wheel assemblies, the inner ends of the character wheel positioning pieces are propped against the outer teeth in the character wheel assemblies to play a role in limiting the rotation of the character wheel assemblies, a reset spring piece is arranged between the inner ends of the character wheel positioning pieces and the base, the outer ends of the character wheel positioning pieces are movably propped against the lifting rod, the lifting rod is arranged below the password shaft assemblies, and one end gap of the lifting rod penetrates into the inner cam groove of the lock shell and can move up and down along with the rotation of the lock shell; the password shaft spring is arranged between the password shaft assembly and the check ring, the password changing spring is sleeved on the check ring, and two ends of the password changing spring are propped against the retainer and the check ring in a parted manner.
The lock shell comprises an upper lock shell, a lower lock shell, a lock tongue spring, a lock tongue and a lock cylinder; the upper lock shell and the lower lock shell are fixedly clamped together, the lock tongue is movably arranged in a space formed by the upper lock shell and the lower lock shell, the outer end of the lock tongue extends outwards, the spring of the lock tongue abuts against the inner end of the lock tongue, and the lock core is fixedly sleeved in the upper lock shell.
The character wheel assembly comprises a character wheel, external teeth, a plurality of character wheel magnets and a plurality of sealing sheets; the external teeth are fixed on the side wall of the character wheel, the character wheel is provided with a magnet mounting groove, and the character wheel magnet is mounted in the magnet mounting groove of the character wheel and is covered by the sealing sheet.
The password shaft assembly comprises a password shaft and a plurality of password shaft magnets; the password shaft magnet is embedded on the side wall of the password shaft; the magnetic poles of the magnets of the password shaft are distributed along the radial direction of the password shaft and are opposite to the heteropoles of the magnets of the character wheel in the assembly of the character wheel.
The two ends of the retainer are respectively provided with a baffle perpendicular to the axial direction of the password shaft, and the center of the baffle is respectively provided with a shaft hole.
The invention also includes a tongue; the tongue piece is fixedly sleeved on the penetrating end of the lock shell penetrating through the shell.
The shell consists of a shell and a panel; the panel is fixed on the top surface of the shell to form a containing cavity of the shell.
After the scheme is adopted, the password changing device comprises the shell, the lock shell, the password box and the tongue piece, and the lock shell is rotated, so that the tongue piece on the lock shell can drive the sliding block in the password box to transversely move, the password changing operation is carried out, and the password changing device has the advantage of convenience in operation.
The invention will be further described with reference to the drawings and the specific examples.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is a schematic diagram of the mating of the lock housing and the code box of the present invention;
FIG. 4 is an exploded perspective view of the lock housing of the present invention;
FIG. 5 is an exploded perspective view of the code box of the present invention;
FIG. 6 is a right-hand isometric view of the character wheel assembly of the present invention;
FIG. 7 is a left side isometric view of the character wheel assembly of the present invention;
FIG. 8 is an isometric view of a combination spindle assembly of the present invention;
FIG. 9 is a schematic diagram of the assembly of the combination spindle assembly and the character wheel assembly of the present invention;
FIG. 10 is a transverse cross-sectional view of the latch of the present invention;
FIG. 11 is a longitudinal cross-sectional view of the latch of the present invention;
FIG. 12 is a transverse cross-sectional view of an unlocking of the present invention;
FIG. 13 is a longitudinal cross-sectional view of an unlocking of the present invention;
FIG. 14 is a transverse cross-sectional view of a change code of the present invention;
FIG. 15 is a longitudinal cross-sectional view of a change code of the present invention;
FIG. 16 is a schematic top view of a first embodiment of a lower lock shell of the present invention;
fig. 17 is a schematic top view of a second embodiment of a lower lock housing of the present invention.
Reference numerals in the drawings:
casing 1 lock case 2 cipher case 3 tongue piece 4
Shell 11 panel 12
Lock core 25 of lock tongue spring 23, lock tongue 24 of upper lock shell 21 and lower lock shell 22
Inner cam groove 221 groove 222 boss 223
Sinking section 2211 groove section 2212 inclined plane 2213
Password shaft assembly 35 of sliding block 34 of cover plate 32 retainer 33 of base 31
Bushing 36 character wheel assembly 37 retainer ring 38 character wheel positioning sheet 39
Cipher shaft spring 313 for lifting lever 312 of reset spring 311 of buckle 310
Code shaft 351 and code shaft magnet 352 baffle 331 of code changing spring 314
Shaft hole 332.
Detailed Description
As shown in fig. 1 and 2, the invention is an improved coded lock, which comprises a shell 1, a lock case 2, a coded box 3 and a tongue piece 4.
The shell 1 is composed of a shell 11 and a panel 12, wherein the panel 12 is fixed on the top surface of the shell 11 to form a containing cavity of the shell 1; the lock case 2 is rotatably sleeved on one side of the accommodating cavity of the shell 1, the password box 3 is arranged in the other side of the accommodating cavity of the shell 1, the password box 3 is in cooperation linkage with the lock case 2, and the lock case 2 penetrates through the penetrating end of the shell to fix the sleeved tongue piece 4.
As shown in fig. 3 and 4, the lock case 2 includes an upper lock case 21, a lower lock case 22, a lock tongue spring 23, a lock tongue 24, and a lock cylinder 25; the upper lock shell 21 and the lower lock shell 22 are fixedly clamped together, the lock tongue 24 is movably arranged in a space formed by the upper lock shell 21 and the lower lock shell 22, the outer end of the lock tongue 24 extends outwards, the lock tongue spring 23 abuts against the inner end of the lock tongue 24, and the lock cylinder 25 is fixedly sleeved in the upper lock shell. Referring to fig. 16, the outer wall of the lower lock case 22 has an inner cam groove 221 formed along the axial direction of rotation of the lower lock case 22 in the housing 1, a radial groove 222 formed along the radial direction of rotation of the lower lock case 22 in the housing 1, a lateral groove 224 formed along the axial direction of rotation of the lower lock case 22 in the housing 1, and a boss 223 formed between the radial groove 222 and the lateral groove 224. The inner cam groove 221 is composed of a plurality of transverse groove segments 2211 and a plurality of inclined groove segments 2212
As shown in fig. 5 and 3, the code box 3 includes a base 31, a cover plate 32, a retainer 33, a slider 34, a code shaft assembly 35, a plurality of bushings 36, a plurality of character wheel assemblies 37, a retainer ring 38, a plurality of character wheel positioning pieces 39, a plurality of buckles 310, a reset spring 311, a lifting rod 312, a code shaft spring 313 and a code changing spring 314; the cover plate 32 is fixed on the top surface of the base 31, the bush 36 can be rotatably arranged in a middle hole of the character wheel assembly 37, two ends of the code shaft assembly 35 are movably penetrated through two ends of the retainer 33 in a dividing way, a plurality of character wheel assemblies 37 which are penetrated with the bush 36 are limited in the retainer 33, the sliding block 34 is movably sleeved at one end of the code shaft assembly 35 and positioned at the outer side of the retainer 33 close to the lock shell 2, and the check ring 38 is movably sleeved at the other end of the code shaft assembly 35 and positioned at the outer side of the retainer 33; the number of character wheel positioning pieces 39 are clamped with the number of buckles 310 at intervals, the number of character wheel positioning pieces 39 and the number of buckles 310 are arranged below the number of character wheel assemblies 37, the inner ends of the character wheel positioning pieces 39 are propped against the outer teeth 372 in the character wheel assemblies 37 (as shown in fig. 9) to play a role in limiting the rotation of the character wheel assemblies 37, a reset elastic sheet 311 is arranged between the inner ends of the character wheel positioning pieces 39 and the base 31, the outer ends of the character wheel positioning pieces 39 are movably abutted against the lifting rods 312, the lifting rods 312 are arranged below the code shaft assemblies 35, and one end gaps of the lifting rods 312 penetrate through the inner cam grooves 21 of the lock shells 2 and can move up and down along with the rotation of the lock shells 2; the code shaft spring 313 is arranged between the code shaft assembly 35 and the check ring 38, the code changing spring 314 is sleeved on the check ring 38, and two end parts of the code changing spring 314 are propped against the retainer 33 and the check ring 38.
As shown in fig. 6 and 7, the character wheel assembly 37 includes a character wheel 371, external teeth 372, a plurality of character wheel magnets 373, and a plurality of seal pieces 374; the external teeth 372 are fixed on the side wall of the character wheel 371, a magnet mounting groove 3711 is formed in the character wheel 371, and the character wheel magnet 373 is mounted in the magnet mounting groove 3711 of the character wheel 371 and is sealed by a sealing piece 374.
As shown in fig. 8, the code shaft assembly 35 includes a code shaft 351 and a plurality of code shaft magnets 352; the password shaft magnet 352 is embedded on the side wall of the password shaft 351; a plurality of protruding blocks 3511 are arranged along the axial direction of the code shaft 351, and the magnetic poles of the code shaft magnets 352 are distributed along the radial direction of the code shaft and opposite to the opposite poles of the character wheel magnets 373 in the character wheel assembly 37.
As shown in fig. 5, the two ends of the retainer 33 are respectively provided with a baffle 331 perpendicular to the axial direction of the code shaft 351, and a shaft hole 332 is formed in the center of the baffle 331.
As shown in fig. 16, rotating the lock case 2 can make the lock case 2 and the code box 3 cooperate and link in different areas of the lock case 2, when the transverse groove 224 is formed, the sliding block 34 is propped against the outer wall of the lock case 2, and the code shaft assembly 35 can enter the lock case 2; while in the radial groove 222, the slide 34 can enter the lock case 2, and the combination shaft assembly 35 can also enter the lock case 2; thus, the bush 36 is separated from the character wheel only when the lock case 2 rotates to the end of the radial groove 222, and is always in a state of being coupled with the character wheel assembly 37 at other times, meanwhile, the boss 223 blocks the code shaft assembly 35 and abuts against the sliding block 34, and only the code shaft assembly 35 with correct code can pass; in this way, the code is kept unchanged when the lock is opened or closed, i.e. when the lock is in the transverse groove 224, whereas the code can be reset only when the lock is in the radial groove 222, which mode we call "fixed mode" in distinction to the other modes of embodiment two.
The working principle of the invention is as follows:
as shown in fig. 3 and 10-15, in the locked position, each character wheel assembly 37 is shifted to make each character wheel assembly 37 at the position of correct code, each bump 3511 on the code shaft 351 is aligned with the through slot of each bush 36 to make the code shaft 351 move left and right relative to each bush 36, the lock case 2 is rotated at this time, the lock tongue 24 is blocked on the lock case 2 due to the acute angle tip, the character wheel shaft is pushed to move leftwards (the character wheel shaft is blocked when the code is incorrect), the code shaft 351 can pass through the lock tongue 24 and simultaneously rotate the lock case 2, so that the inner cam slot 221 of the lock case 2 drives the lifting rod 312 to move up and down, the lifting rod 312 drives the character wheel positioning piece 39 to rotate, so that the character wheel positioning piece 39 does not block the character wheel assembly 37, the character wheel assembly 37 returns to the initial position under the action of magnetic force, the left side of the sliding block 34 is always clamped on the outer circle of the lock shell 2, the right side is propped against the retainer 33, the bush 36 is positioned in the middle of the retainer 33, the bush 36 is always in a coupling state with the character wheel 371 in the rotating process, therefore, the bush 36 rotates together with the character wheel assembly 37, the password is kept unchanged, thereby unlocking, after unlocking, the lower lock shell 2 is provided with a boss 223, the character wheel 371 is automatically reset and is not at the correct password position, the password shaft 351 cannot continue to rotate, the correct password is input again, the boss 3511 of the password shaft 351 is aligned with the through groove of the bush 36, the password shaft 351 can move leftwards again, after that, the upper lock shell 2 and the lower lock shell 2 are provided with grooves 222, the sliding block 34 can move leftwards, the password changing spring 314 pushes the retainer 33 to move leftwards, the retainer 33 pushes the sliding block 34 to move leftwards, the sliding block 34 enters the grooves 222 of the lock shell 2, the bush 36 moves leftwards along with the retainer 33, the bush 36 and the character wheel 371 are in a non-coupling state, the character wheel 371 is rotated at the moment, the bush 36 does not rotate along with the character wheel 371, a required password can be set, the lock shell 2 is reversely rotated after the setting is completed, the sliding block 34 is clamped on the outer circle of the lock shell 2, the retainer 33 is pushed to move rightwards, the bush 36 also moves rightwards along with the retainer 33 to return to the coupling state with the character wheel 371, the lock shell 2 is continuously reversed, the inner cam groove 221 of the lock shell 2 drives the lifting rod 312 to move, the lifting rod 312 drives the character wheel positioning plate 39 to move, the character wheel assembly 37 is not clamped, the character wheel assembly returns to the initial state under the action of magnetic force, meanwhile, the password shaft 351 pushes the lock tongue 24 into the lock shell 2, the password shaft 351 returns to the locking position after the lock shell 2 is rotated, the lock tongue 24 is pushed back to the original position by the lock tongue spring 23, and the password is successfully set, and meanwhile the lock is in the locking state.
As shown in fig. 17, referring to fig. 3, this embodiment is substantially the same as the previous embodiment except that the lower lock housing 22' is structured differently, and in the free mode, an inner cam groove 221' disposed in the axial direction of rotation of the lock housing 22' in the housing, a radial groove 222' disposed in the radial direction of rotation of the lower lock housing 22' in the housing, a lateral groove 224' disposed in the axial direction of rotation of the lower lock housing 22' in the housing, and a boss 223' disposed between the radial groove 222' and the lateral groove 224' are provided on the outer wall of the lower lock housing 22' in this embodiment. The inner cam groove 221' is composed of a plurality of lateral groove segments 2211' and a plurality of inclined groove segments 2212 '.
In this embodiment, rotating the lock housing 2' can cause the lock housing 2' to cooperatively interlock with the code box 3 in different areas of the lock housing 2', the slide 34 is moved into the lower lock housing 22' when the lateral groove 224' is formed, and the slide 34 is pushed against the outer surface of the lock housing 2' when the lock housing 2' is rotated to the leftmost end; when the lock shell 2' is turned to the boss 223', the sliding block 34 is propped against the outer surface of the lock shell 2 '; the slide 34 is free to enter the lock housing 2 'regardless of the period of time when the lock housing 2' is rotated into the radial groove 222', and the code shaft 351 is free to enter and exit the lock housing 2' without touching the boss 223', in such a way that the code is in a free setting state when unlocking, i.e., when the lock housing 2' is rotated into the radial groove 222', and in a locking state, i.e., when the lock housing 2' is rotated to the leftmost end, the lock is in a locking state, which we call this mode "free mode".
It should be noted that, in order to make the force applied to the sliding block more balanced during the movement process, the upper lock shell of the present invention is also provided with the same transverse grooves and radial grooves as the lower lock shell.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, i.e., the equivalent changes and modifications to the invention as described in the claims and specification should be considered as falling within the scope of the invention.
Claims (5)
1. An improved coded lock comprises a shell, a lock shell and a coded box; the lock shell is rotatably sleeved on one side of the shell accommodating cavity, the code box is arranged in the other side of the shell accommodating cavity, and the code box is matched and linked with the lock shell; the method is characterized in that:
the outer wall of the lock shell is provided with an inner cam groove which is axially arranged along the rotation of the lock shell in the shell, a radial groove which is radially arranged along the rotation of the lock shell in the shell, a transverse groove which is axially arranged along the rotation of the lock shell in the shell, and a boss which is arranged between the radial groove and the transverse groove; the inner cam groove consists of a plurality of transverse groove sections and a plurality of inclined surface groove sections;
the password box comprises a base, a cover plate, a retainer, a sliding block, a password shaft assembly, a plurality of bushings, a plurality of character wheel assemblies, a check ring, a plurality of character wheel positioning sheets, a plurality of buckles, a reset spring plate, a lifting rod, a password shaft spring and a password changing spring; the cover plate is fixed on the top surface of the base, the bush is rotatably arranged in a middle hole of the character wheel assembly in a penetrating way, two ends of the password shaft assembly are respectively and movably arranged at two ends of the retainer, so that the character wheel assembly with the bush arranged in the penetrating way is limited in the retainer, the sliding block is movably sleeved at one end of the password shaft assembly and positioned at the outer side of the retainer close to the lock shell, and the check ring is movably sleeved at the other end of the password shaft assembly and positioned at the outer side of the retainer; the character wheel positioning pieces are clamped with the buckles at intervals, the character wheel positioning pieces and the buckles are arranged below the character wheel assemblies, the inner ends of the character wheel positioning pieces are propped against the outer teeth in the character wheel assemblies to play a role in limiting the rotation of the character wheel assemblies, a reset spring piece is arranged between the inner ends of the character wheel positioning pieces and the base, the outer ends of the character wheel positioning pieces are movably propped against the lifting rod, the lifting rod is arranged below the password shaft assemblies, and one end gap of the lifting rod penetrates into the inner cam groove of the lock shell and can move up and down along with the rotation of the lock shell; the password shaft spring is arranged between the password shaft assembly and the check ring, the password changing spring is sleeved on the check ring, and two ends of the password changing spring are partially propped against the retainer and the check ring;
the character wheel assembly comprises a character wheel, external teeth, a plurality of character wheel magnets and a plurality of sealing sheets; the outer teeth are fixed on the side wall of the character wheel, a magnet mounting groove is formed in the character wheel, and the character wheel magnet is mounted in the magnet mounting groove of the character wheel and is covered by the sealing sheet;
the password shaft assembly comprises a password shaft and a plurality of password shaft magnets; the password shaft magnet is embedded on the side wall of the password shaft; the magnetic poles of the magnets of the password shaft are distributed along the radial direction of the password shaft and are opposite to the heteropoles of the magnets of the character wheel in the assembly of the character wheel.
2. The improved combination lock of claim 1, wherein: the lock shell comprises an upper lock shell, a lower lock shell, a lock tongue spring, a lock tongue and a lock cylinder; the upper lock shell and the lower lock shell are fixedly clamped together, the lock tongue is movably arranged in a space formed by the upper lock shell and the lower lock shell, the outer end of the lock tongue extends outwards, the spring of the lock tongue abuts against the inner end of the lock tongue, and the lock core is fixedly sleeved in the upper lock shell.
3. The improved combination lock of claim 1, wherein: the two ends of the retainer are respectively provided with a baffle perpendicular to the axial direction of the password shaft, and the center of the baffle is respectively provided with a shaft hole.
4. The improved combination lock of claim 1, wherein: further comprising a tongue; the tongue piece is fixedly sleeved on the penetrating end of the lock shell penetrating through the shell.
5. The improved combination lock of claim 1, wherein: the shell consists of a shell and a panel; the panel is fixed on the top surface of the shell to form a containing cavity of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553659.2A CN110206400B (en) | 2019-06-25 | 2019-06-25 | Improved puzzle lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553659.2A CN110206400B (en) | 2019-06-25 | 2019-06-25 | Improved puzzle lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206400A CN110206400A (en) | 2019-09-06 |
| CN110206400B true CN110206400B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910553659.2A Active CN110206400B (en) | 2019-06-25 | 2019-06-25 | Improved puzzle lock |
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| CN (1) | CN110206400B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263085B (en) * | 2022-07-15 | 2023-12-29 | 厦门美科安防科技股份有限公司 | Coded lock with double codes |
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