CN107605250B

CN107605250B - Mechanical sequential puzzle lock

Info

Publication number: CN107605250B
Application number: CN201711043939.6A
Authority: CN
Inventors: 练务炎
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2023-02-21
Anticipated expiration: 2037-10-31
Also published as: CN107605250A

Abstract

The invention discloses a mechanical sequential coded lock. Including casing, lock core and anti-locking device locate on the casing, and the lock core is connected with the cooperation of anti-locking device, and the lock core is including unblanking roof, locating plate, control jump piece, fixed screw and locating plate extension spring, and the below of locating plate is located to the roof of unblanking, and locating plate and fixed screw are connected to the locating plate extension spring, and fixed screw passes the roof and the locating plate of unblanking, unblanks all be equipped with on roof and the locating plate with control jump piece quantity equal through-hole, and the control jumps the piece and is connected with the through-hole cooperation. Therefore, the fixing screw and the positioning plate tension spring realize the horizontal movement of the positioning plate, so that the positioning plate is matched with the control jumper, if the password is input wrongly, the positioning plate is reset immediately, the input password is reset along with the input password, no power circuit is needed to be arranged in the password lock, the unlocking function is realized only by the matching of a mechanical structure and parts, the energy is saved, the environment is protected, and the multifunctional combination lock can be widely applied to door locks, safe cabinet locks, automobile locks and the like.

Description

Mechanical sequential puzzle lock

Technical Field

The invention relates to the field of coded locks, in particular to a mechanical sequential coded lock.

Background

In the prior art, a coded lock generally has two forms of an electronic coded lock and a mechanical coded lock, the electronic coded lock needs a power supply, and the password is easy to scan and crack, and the mechanical coded lock has the problems of troublesome password replacement and the like, so that the application of the coded lock is greatly limited.

Disclosure of Invention

According to one aspect of the invention, the mechanical sequential coded lock comprises a shell, a lock core and a counter-locking device, wherein the lock core and the counter-locking device are arranged on the shell, the lock core is in matched connection with the counter-locking device, the lock core comprises an unlocking top plate, a positioning plate, a control spring, a fixing screw and a positioning plate tension spring, the unlocking top plate is arranged below the positioning plate, the positioning plate tension spring is connected with the positioning plate and the fixing screw, the fixing screw penetrates through the unlocking top plate and the positioning plate, through holes with the number equal to that of the control spring are formed in the unlocking top plate and the positioning plate, and the control spring is in matched connection with the through holes. Therefore, the fixing screw and the positioning plate tension spring realize the horizontal movement of the positioning plate, so that the positioning plate is matched with the control jumper, if the password is input wrongly, the positioning plate is immediately reset, the input password is reset, any power circuit is not needed in the password lock, the unlocking function is realized only by the matching of a mechanical structure and parts, the energy is saved, the environment is protected, and the multifunctional combination lock can be widely applied to multiple purposes such as door locks, safe locks, cabinet locks, automobile locks and the like.

In some embodiments, the lock cylinder further comprises a lock cylinder housing and a bottom plate, the unlocking top plate, the positioning plate, the control spring and the positioning plate tension spring are arranged in the lock cylinder housing, the lock cylinder housing is connected with the shell, and the bottom plate is arranged at the bottom of the lock cylinder housing. Therefore, the lock core shell is used for installing the positioning plate, the control spring piece and other components and limiting the positions of the components, so that the structure of the lock body is stable.

In some embodiments, the control jump sheet is provided with a top sheet, a positioning block, a push sheet, a limiting groove and an unlocking groove. The top plate is arranged at the top of the control jump piece, the unlocking groove is arranged below the top plate, the unlocking groove is matched with the unlocking top plate, the limiting grooves are arranged at two sides below the unlocking groove, the limiting grooves are matched with the positioning plate, the push pieces are arranged at two sides below the limiting grooves, the push pieces are matched with the positioning plate, and the positioning block is arranged at the tail of the control jump piece. Therefore, the control jump sheet is provided with a structure matched with the positioning plate, the unlocking top plate, the bottom box and the shell, and the password function is realized.

In some embodiments, the lock core further includes a bottom case, the bottom case includes a movable plate and a bottom case bottom plate, the movable plate is provided with a movable plate spring, and the movable plate spring connects the bottom case bottom plate and the movable plate. The movable plate and the bottom box bottom plate are respectively provided with through holes with the same number as the control jump pieces, the control jump pieces penetrate through the movable plate and the bottom box bottom plate, and the movable plate is matched with the positioning block. Therefore, the password can be changed only by disassembling the bottom box, and the changing mode is convenient and simple.

In some embodiments, the lock cylinder further comprises springs and pressure springs, the springs are arranged between the control jumper and the bottom box, the number of the springs is the same as that of the control jumper, and the pressure springs are connected with the unlocking top plate and the unlocking bottom plate. Therefore, the spring and the pressure spring are arranged in the lock cylinder, the spring realizes the positioning of the control jumper, the pressure spring realizes the positioning of the unlocking top plate, and the structure is more compact.

In some embodiments, the back locking device comprises a push rod, a clamping plate, a knob pressing plate and a back locking knob, the clamping plate is arranged on the knob pressing plate and comprises a push pin and a buckle pin, one end of the push rod is connected with the positioning plate, the other end of the push rod is connected with the push pin, the knob pressing plate is fixedly connected with the shell, a knob gear is arranged on the back locking knob, and the knob gear is meshed with the buckle pin. Therefore, the anti-locking device is arranged, and the safety performance is improved.

In some embodiments, the housing includes a key that cooperates with the top piece. From this, the casing sets up the button, has increased the area of contact when pressing control jumper, has increased the feeling when unblanking, conveniently unblanks.

In some embodiments, the housing further comprises a handle and a handle press, the handle comprising a handle gear, the handle gear being coupled to the handle press. From this, be equipped with handle and handle preforming, the handle preforming is used for conveniently unblanking to handle and the fixed of gear of unblanking.

In some embodiments, the housing further comprises an unlocking gear connected to the handle press plate, the unlocking gear comprising a push table and a toothed portion, the toothed portion meshing with the handle gear, the push table connecting the unlocking top plate. Therefore, the unlocking gear is meshed with the handle gear, and the pushing platform pushes the unlocking top plate during unlocking to complete the unlocking function.

The invention has the beneficial effects that: the coded lock with the mechanical structure is durable, does not need any power supply, is energy-saving and environment-friendly, and can be widely applied to multiple purposes such as door locks, safe locks, cabinet locks, automobile locks and the like. The password can be conveniently changed only by disassembling the bottom box, and the operation is simple and practical. When the password is input, if the password is input, the password is reset in real time without any prompt, and the password lock device is provided, so that the safety performance is high.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a mechanical sequential combination lock according to an embodiment of the present invention;

FIG. 2 is an exploded view of the cylinder of the mechanical sequential combination lock of the present invention;

FIG. 3 is a schematic view of the unlocking device of the mechanical sequential combination lock of the present invention;

FIG. 4 is a schematic structural view of a bottom case of the mechanical sequential combination lock of the present invention;

FIG. 5 is a schematic structural view of a control jumper of the mechanical sequential combination lock of the present invention;

fig. 6 is a schematic structural view of an unlocking gear of the mechanical sequential coded lock.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1, 2, 3, 4, 5, 6 schematically illustrate a mechanical sequential combination lock according to an embodiment of the present invention. As shown in the figure, the device includes casing 1, lock core 2 and anti-locking device 3 are located on casing 1, lock core 2 is connected with the cooperation of anti-locking device 3, lock core 2 is including unblanking roof 23, locating plate 24, control jumper 26, fixed screw 29 and locating plate extension spring 30, unblanking roof 23 locates the below of locating plate 24, locating plate 24 and fixed screw 29 are connected to locating plate extension spring 30, fixed screw 29 passes unblanking roof 23 and locating plate 24, all be equipped with the through-hole 241 equal with control jumper 26 quantity on unblanking roof 23 and the locating plate 24, control jumper 26 is connected with the through-hole 241 cooperation.

The control jump sheet 26 is provided with a top sheet 261, a positioning block 262, a push sheet 263, a limiting groove 264 and an unlocking groove 265. The top plate 261 is arranged at the top of the control jump piece 26, the unlocking groove 265 is arranged below the top plate 261, the unlocking groove 265 is matched with the unlocking top plate 23, the limiting groove 264 is arranged at two sides below the unlocking groove 265, the limiting groove 264 is matched with the positioning plate 24, the pushing piece 263 is arranged at two sides below the limiting groove 264, the pushing piece 263 is matched with the positioning plate 24, the positioning block 262 is arranged at the tail of the control jump piece 26, and the positioning block 262 is matched with the movable plate 221. The control skip 26 is divided into a control skip having a sequential cipher function, a G control skip having no cipher function, an H control skip having an auxiliary reset function, and an I control skip having a escape function. Wherein, the number of the sequential cipher functions is 6, and the sequential cipher functions are A, B, C, D, E and F respectively; the number of the G control jumpers without the password function is 6; one H control skip for assisting the reset function and one I control skip for realizing the escape function.

The lock core 2 further comprises a bottom case 22, the bottom case 22 comprises a movable plate 221 and a bottom case bottom plate 222, a movable plate spring 223 is arranged on the movable plate 221, and the movable plate spring 223 is connected with the bottom case bottom plate 222 and the movable plate 221. The movable plate 221 and the bottom box bottom plate 222 are respectively provided with through holes 241 with the same number as the control jump pieces 26, the control jump pieces 26 penetrate through the movable plate 221 and the bottom box bottom plate 222, and the movable plate 221 is matched with the positioning block 262.

Wherein A is provided with a top plate 261, a positioning block 262, six limiting grooves 264 and an unlocking groove 265, B is provided with a top plate 261, a positioning block 262, a pushing sheet 263, five limiting grooves 264 and an unlocking groove 265, C is provided with a top plate 261, a positioning block 262, two pushing sheets 263, four limiting grooves 264 and an unlocking groove 265, D is provided with a top plate 261, a positioning block 262, three pushing sheets 263, three limiting grooves 264 and an unlocking groove 265, E is provided with a top plate 261, a positioning block 262, four pushing sheets 263, two limiting grooves 264 and an unlocking groove 265, E is provided with a top plate 261, a positioning block 262, five pushing sheets 263, a limiting groove 264 and an unlocking groove 265, F is provided with a top plate, a positioning block 262, five pushing sheets 263, a limiting groove 264 and an

unlocking groove

265, 261, 262G is provided with a top plate, a positioning block 265, six pushing sheets 263 and an unlocking groove 261, H is provided with a top plate 261, a positioning block 262, a pushing sheet 263, five limiting groove 263, a five limiting groove 263 and an unlocking groove 265, H is provided with six pushing sheets 263, I is provided with six pushing sheets 263.

The lock core 2 further comprises a spring 27 and a pressure spring 28, the spring 27 is arranged between the control jumper 26 and the bottom box 22, and the number of the springs 27 is the same as that of the control jumper 26. The unlocking top plate 23 and the bottom plate 25 are both provided with mounting seats, and the pressure spring 28 is mounted on the mounting seats to connect the unlocking top plate 23 and the bottom plate 25.

The housing 1 comprises keys 11, which keys 11 cooperate with the top piece 261.

The housing 1 further comprises a handle 12 and a handle pressing plate 14, wherein the handle 12 is provided with a handle gear 121, and the handle gear 121 is connected with the handle pressing plate 14.

The shell 1 further comprises an unlocking gear 13, the unlocking gear 13 is connected with the handle pressing plate 14, the unlocking gear 13 comprises a pushing platform 131 and a tooth part 132, the tooth part 132 is meshed with the handle gear 121, and the pushing platform 131 is connected with the unlocking top plate 23.

The back locking device 3 comprises a push rod 31, a clamping plate 32, a knob pressing plate 33 and a back locking knob 34, the clamping plate 32 is arranged on the knob pressing plate 33, the clamping plate 32 comprises a push pin 321 and a buckle pin 322, one end of the push rod 31 is connected with the positioning plate 24, the other end of the push rod is connected with the push pin 321, the knob pressing plate 33 is fixedly connected with the shell 1, a knob gear 341 is arranged on the back locking knob 34, and the knob gear 341 is meshed with the buckle pin 322. When the back locking knob 34 rotates anticlockwise, the position clamping plate 32 rotates clockwise, the push pin 321 has no acting force on the ejector rod 31, and the back locking knob 34 can continue to rotate; when the back locking knob 34 rotates clockwise, the position-blocking plate 32 rotates counterclockwise, the push pin 321 pushes the push rod 31 towards the positioning plate 24, when the positioning plate 24 moves to a certain position, the positioning plate 24 does not move any more, the back locking knob 34 can not rotate clockwise any more, and the back locking function is completed.

When the mechanical sequential coded lock of the embodiment works, after the bottom case 22 is opened, the I-control jumper 26 can move up and down after the pressure of the spring 27 is lost, other control jumpers 26 can also be pulled out, and the a-F control jumpers 26 are sequentially inserted into the through holes 241 of the corresponding number keys 11 according to the codes set as required, so as to complete the function of setting the codes.

When the lock is unlocked, the keys 11 are sequentially pressed according to the set password sequence, when the first password is pressed, the control jumper 26A moves, the positioning block 262 pushes the movable plate 221 and is matched with the movable plate 221, the positioning plate 24 moves towards the direction of the fixed screw 29 under the action of the positioning plate tension spring 30, and the edge of the through hole 241 on the positioning plate 24 is matched with the limiting groove 264 of the corresponding control jumper 26 and is used for limiting the control jumper 26A under the combined action of the through hole and the movable plate 221, so that the control jumper 26A cannot move up and down.

When the second password is pressed, the control jumper 26 moves, the positioning block 262 pushes the movable plate 221 and is clamped on the movable plate 221, the control jumper 26 moves, the positioning block 262 pushes the movable plate 221 and is matched with the movable plate 221, the pushing piece 263 is matched with the through hole 241 on the positioning plate 24 to generate horizontal pushing force to move the positioning plate 24 towards the stretching direction of the positioning plate tension spring 30, the edge of the through hole 241 on the positioning plate 24 is matched with the limiting groove 264 of the corresponding control jumper 26 and acts together with the movable plate 221 to limit the control jumper 26 to enable the control jumper 26 to be incapable of moving up and down.

The rest passwords are pressed in sequence, the C-F control jumper is operated repeatedly until 6 correct passwords are input, the unlocking grooves 265 on the A-F control jumper 26 are on the same horizontal plane, the handle 12 is pulled, the handle gear 121 drives the unlocking gear 13 to rotate, the unlocking gear 13 pushes the unlocking top plate 23 into the unlocking grooves 265, unlocking can be completed, in the process that the unlocking top plate 23 is matched with the unlocking grooves 265, the unlocking top plate 23 pushes the H control jumper 26 towards the bottom box 22, the positioning block 262 on the H control jumper 26 pushes the movable plate 221 to be matched with the movable plate 221, the pushing piece pushes the positioning plate 24 matched with the limiting groove 264 on the A-F control jumper 26 away, the positioning plate 24 is not matched with the limiting groove 264, the unlocking top plate 23 returns to the original position under the action of the pressure spring 28, and resetting is completed.

If wrong passwords are input in the password input process, namely the G control jumper 26 acts, the positioning block 262 on the G control jumper 26 pushes the movable plate 221 to be matched with the movable plate 221, the pushing piece 263 is matched with the through hole 241 on the positioning plate 24 to generate horizontal pushing force to move the positioning plate 24 towards the stretching direction of the positioning plate tension spring 30, the pushing piece 263 pushes the positioning plate 24 matched with the limiting groove 264 on the A-F control jumper 26 away, the positioning plate 24 is not matched with the limiting groove 264, and the reset action is completed.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. The mechanical sequential coded lock is characterized by comprising a shell (1), a lock cylinder (2) and an inverse locking device (3), wherein the lock cylinder (2) and the inverse locking device (3) are arranged on the shell (1), the lock cylinder (2) is matched and connected with the inverse locking device (3), the lock cylinder (2) comprises an unlocking top plate (23), a positioning plate (24), control jumpers (26), fixing screws (29) and a positioning plate tension spring (30), the unlocking top plate (23) is arranged below the positioning plate (24), the positioning plate tension spring (30) is connected with the positioning plate (24) and the fixing screws (29), the fixing screws (29) penetrate through the unlocking top plate (23) and the positioning plate (24), through holes (241) equal in number to the control jumpers (26) are formed in the unlocking top plate (23) and the positioning plate (24), and the control jumpers (26) are matched and connected with the through holes (241);

the anti-locking device (3) comprises a push rod (31), a clamping plate (32), a knob pressing plate (33) and an anti-locking knob (34), the clamping plate (32) is arranged on the knob pressing plate (33), the clamping plate (32) comprises a push pin (321) and a buckle pin (322), one end of the push rod (31) is connected with the positioning plate (24), the other end of the push rod (31) is connected with the push pin (321), the knob pressing plate (33) is fixedly connected with the shell (1), a knob gear (341) is arranged on the anti-locking knob (34), and the knob gear (341) is meshed with the buckle pin (322);

the lock cylinder (2) further comprises a lock cylinder shell (21) and a bottom plate (25), the unlocking top plate (23), the positioning plate (24), the control spring piece (26) and the positioning plate tension spring (30) are arranged in the lock cylinder shell (21), the lock cylinder shell (21) is connected with the shell (1), and the bottom plate (25) is arranged at the bottom of the lock cylinder shell (21).

2. The mechanical sequential coded lock according to claim 1, wherein the control jumper (26) is provided with a top plate (261), a positioning block (262), a pushing plate (263), a limiting groove (264) and an unlocking groove (265), the top plate (261) is arranged at the top of the control jumper (26), the unlocking groove (265) is arranged below the top plate (261), the unlocking groove (265) is matched with the unlocking top plate (23), the limiting groove (264) is arranged at two sides below the unlocking groove (265), the limiting groove (264) is matched with the positioning plate (24), the pushing plate (263) is arranged at two sides below the limiting groove (264), the pushing plate (263) is matched with the positioning plate (24), and the positioning block (262) is arranged at the tail of the control jumper (26).

3. The mechanical sequential coded lock according to claim 2, wherein the lock cylinder (2) further comprises a bottom case (22), the bottom case (22) comprises a movable plate (221) and a bottom case bottom plate (222), a movable plate spring (223) is arranged on the movable plate (221), the movable plate spring (223) is connected with the bottom case bottom plate (222) and the movable plate (221), through holes (241) equal in number to the control jump pieces (26) are respectively arranged on the movable plate (221) and the bottom case bottom plate (222), the control jump pieces (26) penetrate through the movable plate (221) and the bottom case bottom plate (222), and the movable plate (221) is matched with the positioning block (262).

4. A mechanical sequential combination lock according to claim 3, characterized in that the lock cylinder (2) further comprises springs (27), compression springs (28), the springs (27) are arranged between the control jumper (26) and the bottom case (22), the number of the springs (27) is the same as that of the control jumper (26), and the compression springs (28) connect the unlocking top plate (23) and the bottom plate (25).

5. A mechanical sequential combination lock according to claim 2, wherein the housing (1) comprises a key (11), the key (11) cooperating with a top plate (261).

6. The mechanical sequential combination lock of claim 1, wherein the housing (1) further comprises a handle (12) and a handle press plate (14), the handle (12) comprising a handle gear (121), the handle gear (121) being connected to the handle press plate (14).

7. The mechanical sequential combination lock of claim 6, wherein the housing (1) further comprises an unlocking gear (13), the unlocking gear (13) is connected with the handle pressing plate (14), the unlocking gear (13) comprises a pushing platform (131) and a tooth part (132), the tooth part (132) is meshed with the handle gear (121), and the pushing platform (131) is connected with the unlocking top plate (23).