CN210508701U

CN210508701U - Improved puzzle lock

Info

Publication number: CN210508701U
Application number: CN201920961940.5U
Authority: CN
Inventors: 林绍廉; 林少剑
Original assignee: Xiamen Make Security Technology Co Ltd
Current assignee: Xiamen Make Security Technology Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-12
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses an improved coded lock, which comprises a shell, a lock shell, a coded box and a tongue piece; the shell consists of a shell and a panel, and the panel is fixed on the top surface of the shell to form an accommodating cavity of the shell; the middle part of the lock shell is rotatably sleeved on one side of the shell, the code box is arranged in the accommodating cavity of the shell and is in linkage with the lock shell in a matching way, and the end, penetrating through the shell, of the lock shell is fixedly sleeved with a tongue piece. Because the utility model discloses a lock shell on the lock shell can drive slider lateral shifting in the password case to change the operation of password, have convenient operation's advantage.

Description

Improved puzzle lock

Technical Field

The utility model relates to a tool to lock especially relates to a modified trick lock.

Background

The character wheel mechanical coded lock has the advantages of convenience of an electronic coded lock and stability of a key mechanical lock, and is wide in market application range. The operation is unique, one character wheel is shifted, a password is input when the character wheel rotates to a preset number, other character wheels are repeatedly shifted in this way, and the lock can be unlocked until the last password is input.

At 11.1.2019, published in china as CN109184337A, an automatic random code character wheel coded lock. The coded lock in the patent adopts a mode of pushing the code key to be changed when the coded lock needs to be changed, the mode is inconvenient to operate and influences the appearance, meanwhile, when the coded lock is used in some public application occasions, such as supermarkets, natatoriums and the like, due to the fact that the flow of people is large, the code can be frequently changed according to different customers when the coded lock is used, the coded lock in the patent has the defect that the operation is inconvenient because the coded lock needs to frequently input the code and push the code key to be changed to reset the code.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation's modified trick lock. The password lock can maintain the automatic code disordering function of the original password lock and can change the password by rotating the position of the lock shell.

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

the utility model 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 cipher case comprises a base, a cover plate, a retainer, a sliding block, a cipher shaft assembly, a plurality of bushings, a plurality of character wheel assemblies, a retainer ring, a plurality of character wheel positioning pieces, a plurality of buckles, a reset elastic sheet, a lifting rod, a cipher shaft spring and a cipher changing spring; the cover plate is fixed on the top surface of the base, the bushing is rotatably arranged in a middle hole of the character wheel assembly in a penetrating mode, two ends of the password shaft assembly movably penetrate through two ends of the retainer, so that the character wheel assemblies with the bushings are limited in the retainer, the sliding block is movably sleeved at one end of the password shaft assembly and located on the outer side, close to the lock shell, of the retainer, and the check ring is movably sleeved at the other end of the password shaft assembly and located on the outer side of the retainer; the character wheel positioning plates are clamped with the buckles at intervals, the character wheel positioning plates and the buckles are installed below the character wheel assemblies, the inner ends of the character wheel positioning plates abut against the outer teeth in the character wheel assemblies to play a role in limiting rotation of the character wheel assemblies, the reset elastic sheet is arranged between the inner ends of the character wheel positioning plates and the base, the outer ends of the character wheel positioning plates are movably abutted against the lifting rod, the lifting rod is arranged below the password shaft assemblies, and one end of the lifting rod penetrates through the inner cam groove of the lock shell in a clearance mode and can move up and down along with rotation of the lock shell; the password shaft spring is arranged between the password shaft assembly and the retainer ring, the password changing spring is sleeved on the retainer ring, and two end parts of the password changing spring are propped against the retainer ring and the retainer ring.

The lock shell comprises an upper lock shell, a lower lock shell, a spring bolt spring, a spring bolt and a lock core; the upper lock shell and the lower lock shell are fixedly clamped together, the spring bolt is movably arranged in a space formed by the upper lock shell and the lower lock shell, the outer end of the spring bolt extends outwards, the spring bolt is propped against the inner end of the spring bolt, and the lock cylinder 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 pieces; the outer tooth is 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 sealed and covered by a 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; a plurality of convex blocks are arranged along the axial direction of the password shaft, and 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 heteropolarity of the magnets of the character wheels in the character wheel assembly.

Two ends of the retainer are respectively provided with a baffle plate perpendicular to the axial direction of the password shaft, and the center of each baffle plate is provided with a shaft hole.

The utility model also comprises a tongue piece; 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, because the utility model discloses a casing, lock shell, code case, tongue piece rotate the lock shell, and the spring bolt on the lock shell can drive slider lateral shifting in the code case to change the operation of password, have convenient operation's advantage.

The invention will be further described with reference to the accompanying drawings and specific embodiments.

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 view of the lock case and the combination case of the present invention;

fig. 4 is an exploded perspective view of the lock case of the present invention;

FIG. 5 is an exploded perspective view of the combination lock of the present invention;

FIG. 6 is a right side isometric view of the print wheel assembly of the present invention;

FIG. 7 is a left side perspective view of the print wheel assembly of the present invention;

fig. 8 is an isometric view of the combination shaft assembly of the present invention;

fig. 9 is an assembly view of the combination shaft 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 sectional view of the lock of the present invention;

fig. 13 is a longitudinal sectional view of the lock of the present invention;

FIG. 14 is a transverse cross-sectional view of the change combination of the present invention;

FIG. 15 is a longitudinal cross-sectional view of the change combination of the present invention;

FIG. 16 is a top schematic view of a lower lock housing of a first embodiment of the present invention;

figure 17 is a top schematic view of a lower lock housing according to a second embodiment of the present invention.

Reference numbers in the figures:

shell 1 lock shell 2 cipher case 3 tongue piece 4

Shell 11 panel 12

Upper lock shell 21, lower lock shell 22, bolt spring 23, bolt 24 and lock core 25

Inner cam groove 221 groove 222 boss 223

Sunken section 2211 groove section 2212 inclined plane 2213

Combination shaft assembly 35 of base 31, cover plate 32, retainer 33, slide block 34 and slide block 34

36-shaped wheel assembly 37 of bushing and 38-shaped wheel positioning piece 39 of retainer ring

Password shaft spring 313 of lifting rod 312 of buckle 310 reset elastic sheet 311

Cipher shaft 351 of cipher shaft magnet 352 baffle 331 of cipher changing spring 314

Shaft hole 332.

Detailed Description

As shown in fig. 1 and 2, the present invention relates to an improved combination lock, which comprises a housing 1, a lock housing 2, a combination 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 an accommodating cavity of the shell 1; the lock shell 2 is rotatably sleeved on one side of the accommodating cavity of the shell 1, the code box 3 is installed in the other side of the accommodating cavity of the shell 1, the code box 3 is in linkage with the lock shell 2 in a matching mode, and the lock shell 2 penetrates through the penetrating end of the shell and is fixedly sleeved with the 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 bolt spring 23, a bolt 24, and a lock cylinder 25; the upper lock shell 21 and the lower lock shell 22 are fixedly clamped together, the bolt 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 bolt 24 extends outwards, the bolt spring 23 abuts against the inner end of the bolt 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 housing 22 has an inner cam groove 221 axially disposed along the rotation of the lower lock housing 22 in the housing 1, a radial groove 222 radially disposed along the rotation of the lower lock housing 22 in the housing 1, a transverse groove 224 axially disposed along the rotation of the lower lock housing 22 in the housing 1, and a projection 223 disposed between the radial groove 222 and the transverse groove 224. The inner cam groove 221 is composed of a plurality of transverse groove segments 2211 and a plurality of beveled groove segments 2212

As shown in fig. 5 and 3, the cipher case 3 includes a base 31, a cover plate 32, a holder 33, a slider 34, a cipher shaft assembly 35, a plurality of bushes 36, a plurality of character wheel assemblies 37, a retainer ring 38, a plurality of character wheel positioning pieces 39, a plurality of fasteners 310, a reset spring piece 311, a lifting rod 312, a cipher shaft spring 313, and a cipher changing spring 314; the cover plate 32 is fixed on the top surface of the base 31, the bush 36 is rotatably arranged in a central hole of the character wheel assembly 37 in a penetrating manner, two ends of the code shaft assembly 35 are respectively movably penetrated through two ends of the retainer 33, a plurality of character wheel assemblies 37 penetrated with the bush 36 are limited in the retainer 33, the slide block 34 is movably sleeved at one end of the code shaft assembly 35 and is positioned at the outer side of the retainer 33 close to the lock shell 2, and the retainer ring 38 is movably sleeved at the other end of the code shaft assembly 35 and is positioned at the outer side of the retainer 33; the plurality of character wheel positioning plates 39 and the plurality of buckles 310 are clamped at intervals, the plurality of character wheel positioning plates 39 and the plurality of buckles 310 are arranged below the plurality of character wheel assembly columns 37, the inner ends of the character wheel positioning plates 39 abut against outer teeth 372 in the character wheel assembly columns 37 (as shown in fig. 9), the rotation of the character wheel assembly columns 37 is limited, a reset elastic sheet 311 is arranged between the inner ends of the character wheel positioning plates 39 and the base 31, the outer ends of the character wheel positioning plates 39 movably abut against the lifting rod 312, the lifting rod 312 is arranged below the password shaft assembly column 35, one end of the lifting rod 312 penetrates through the inner cam groove 21 of the lock shell 2 in a clearance mode, and the lifting rod 312 can move up and down along with the rotation of the lock shell 2; the password shaft spring 313 is arranged between the password shaft assembly 35 and the retainer ring 38, the password changing spring 314 is sleeved on the retainer ring 38, and two end parts of the password changing spring 314 are abutted against the retainer 33 and the retainer ring 38.

As shown in fig. 6 and 7, the character wheel assembly 37 includes a character wheel 371, an outer gear 372, a plurality of character wheel magnets 373, and a plurality of seal pieces 374; the outer 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 covered by a cover piece 374.

As shown in fig. 8, the combination shaft assembly 35 includes a combination shaft 351 and a plurality of combination shaft magnets 352; the cipher shaft magnet 352 is embedded on the side wall of the cipher shaft 351; a plurality of protrusions 3511 are provided in the axial direction of the combination shaft 351, and the magnetic poles of the combination shaft magnets 352 are distributed in the radial direction of the combination shaft and are opposite to the opposite poles of the character wheel magnets 373 in the character wheel assembly 37.

As shown in fig. 5, the holder 33 has a baffle 331 at each end thereof, which is perpendicular to the axial direction of the cipher shaft 351, and a shaft hole 332 is formed at the center of the baffle 331.

As shown in fig. 16, the lock case 2 is rotated to make the lock case 2 and the cipher case 3 cooperate and link in different areas of the lock case 2, the sliding block 34 is against the outer wall of the lock case 2 when the transverse groove 224 is formed, and the cipher shaft assembly 35 can enter the lock case 2; while in the radial groove 222, the sliding block 34 can enter the lock shell 2, and the cipher shaft assembly 35 can also enter the lock shell 2; in this way, the bush 36 is separated from the print wheel only when the lock shell 2 rotates to the end of the radial groove 222, and is always in a coupling state with the print wheel assembly 37 at other times, and the lug boss 223 blocks the code shaft assembly 35 and supports against the slide block 34, so that only the code shaft assembly 35 with the correct code can pass through; in this way, the combination remains unchanged when the lock is opened and closed, i.e. when the lock is in the transverse groove 224, and the lock can reset the combination only when the lock is in the radial groove 222, which is called the "fixed mode" to distinguish it from the other modes of the second embodiment.

The utility model discloses a theory of operation:

as shown in fig. 3, 10-15, in the locked position, each character wheel assembly 37 is shifted to make each character wheel assembly 37 in the correct code position, at this time, each projection 3511 on the code shaft 351 is aligned with the through groove of each bushing 36, so that the code shaft 351 can move left and right relative to each bushing 36, at this time, the lock case 2 is rotated, the bolt 24 is blocked on the lock case 2 due to the sharp point to push the character wheel shaft to move left, (when the code is incorrect, the character wheel shaft is blocked), the code shaft 351 can pass through the bolt 24, at the same time, the lock case 2 is rotated, so that the inner cam groove 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 assembly 37 is not blocked by the character wheel assembly 37, the character wheel assembly 37 returns to the initial position under the action of magnetic force, and during this rotation, the left side of the sliding block 34 is always clamped on the excircle of the lock shell 2, the right side of the sliding block is abutted against the retainer 33, the bush 36 is arranged in the middle of the retainer 33, so that the bush 36 is always in a coupling state with the character wheel 371 in the rotating process, therefore, the bush 36 can rotate together with the character wheel assembly 37, the password is kept unchanged, the unlocking is realized, after the unlocking is realized, the lower lock shell 2 is provided with a boss 223, the character wheel 371 is not in a correct password position because of automatic homing, the password shaft 351 can not rotate continuously, 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 left again, then, the sliding block 34 can move left because the upper lock shell 2 and the lower lock shell 2 are provided with grooves 222, the password changing spring 314 pushes the retainer 33 to move left, the retainer 33 pushes the sliding block 34 to move left, the sliding block 34 enters, meanwhile, the lining 36 moves leftwards along with the holding frame 33, the lining 36 and the character wheel 371 are in an uncoupled state, the character wheel 371 is rotated at the moment, the lining 36 does not rotate along with the character wheel 371, a required password can be set, the lock shell 2 is rotated reversely after the setting is finished, the sliding block 34 is clamped on the outer circle of the lock shell 2 to push the holding frame 33 to move rightwards, the lining 36 also moves rightwards along with the holding frame 33 to return to a state of being coupled 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 piece 39 to move, so that the character wheel assembly 37 is not clamped, the lining returns to an initial state under the action of magnetic force, meanwhile, the password shaft 351 pushes the lock tongue 24 to enter the inside of the lock shell 2, the password shaft 351 returns to a locking position when the lock tongue 24 is pushed back by, while the lock is in a locked state.

As shown in fig. 17 with reference to fig. 3, this embodiment is substantially the same as the previous embodiment except that the lower lock case 22 ' is different in structure and is in the free mode, and the outer wall of the lower lock case 22 ' in this embodiment has an inner cam groove 221 ' axially disposed along the rotation of the lock case 22 ' in the case, a radial groove 222 ' radially disposed along the rotation of the lower lock case 22 ' in the case, a transverse groove 224 ' axially disposed along the rotation of the lower lock case 22 ' in the case, and a projection 223 ' disposed between the radial groove 222 ' and the transverse groove 224 '. The inner cam groove 221 ' is composed of a plurality of transverse groove segments 2211 ' and a plurality of beveled groove segments 2212 '.

In this embodiment, the lock case 2 ' is rotated to make the lock case 2 ' and the cipher case 3 cooperate and interlock in different areas of the lock case 2 ', the sliding block 34 enters the lower lock case 22 ' when the transverse groove 224 ' is formed, and the sliding block 34 abuts against the outer surface of the lock case 2 ' when the lock case 2 ' is rotated to the leftmost end; when the lock shell 2 ' rotates to the lug boss 223 ', the sliding block 34 is pressed against the outer surface of the lock shell 2 '; when the lock shell 2 'rotates to the radial groove 222', the sliding block 34 enters the lock shell 2 ', and no matter which time period, the code shaft 351 is free to enter and exit the lock shell 2' all the time and does not collide with the boss 223 ', in this way, when the lock is unlocked, namely when the lock shell 2' rotates to the radial groove 222 ', the code is in a free setting state, and when the lock is locked, namely when the lock shell 2' rotates to the leftmost end, the lock is in a locking state, and the mode is called as a 'free mode'.

It should be noted that, in order to make the slider more balanced in the motion process, the utility model discloses a horizontal recess and radial recess the same with lower lock shell have also been seted up to the upper lock shell.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

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:

2. The improved combination lock of claim 1, wherein: the lock shell comprises an upper lock shell, a lower lock shell, a spring bolt spring, a spring bolt and a lock core; the upper lock shell and the lower lock shell are fixedly clamped together, the spring bolt is movably arranged in a space formed by the upper lock shell and the lower lock shell, the outer end of the spring bolt extends outwards, the spring bolt is propped against the inner end of the spring bolt, and the lock cylinder is fixedly sleeved in the upper lock shell.

3. The improved combination lock of claim 1, wherein: the character wheel assembly comprises a character wheel, external teeth, a plurality of character wheel magnets and a plurality of sealing pieces; the outer tooth is 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 sealed and covered by a sealing sheet.

4. The improved combination lock of claim 1, wherein: 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; a plurality of convex blocks are arranged along the axial direction of the password shaft, and 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 heteropolarity of the magnets of the character wheels in the character wheel assembly.

5. The improved combination lock of claim 1, wherein: two ends of the retainer are respectively provided with a baffle plate perpendicular to the axial direction of the password shaft, and the center of each baffle plate is provided with a shaft hole.

6. The improved combination lock of claim 1, wherein: the tongue piece is also included; the tongue piece is fixedly sleeved on the penetrating end of the lock shell penetrating through the shell.

7. 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.