CN107489304B

CN107489304B - Mechanical anti-test coded lock

Info

Publication number: CN107489304B
Application number: CN201710694439.2A
Authority: CN
Inventors: 叶子建
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-15
Filing date: 2017-08-15
Publication date: 2020-02-07
Anticipated expiration: 2037-08-15
Also published as: CN107489304A

Abstract

The invention discloses a mechanical anti-test coded lock, and belongs to the technical field of locks. Mechanical type prevents experimental trick lock includes lock body, control part, password driver plate and fingerprint lock, and the password driver plate includes mutually independent at least three driver plate subassembly, is provided with a first breach and at least one second breach on the locking plate in at least one driver plate subassembly, and the degree of depth of first breach is greater than the degree of depth of second breach, and the fingerprint lock includes input portion, controller and electro-magnet portion, can adsorb the locking bolt when electro-magnet portion circular telegram. When the mechanical anti-test coded lock provided by the invention is used, if a lawbreaker unlocks in a digital combination test mode, the coded disc cannot rotate again as long as the spring bolt is clamped into the second notch, the coded lock is completely locked, the lawbreaker cannot unlock the coded disc in the digital combination test mode, and an owner can control the coded disc according to a preset state to achieve the purpose of unlocking the coded disc, so that the operation mode is simple and convenient.

Description

Mechanical anti-test coded lock

Technical Field

The invention relates to the technical field of locks, in particular to a mechanical anti-test coded lock.

Background

The door lock is the first safety barrier of family, and the equipment can be used almost every day in the family, and under the big wave tide of intelligent house, the intellectuality of door lock is also a trend, and intelligent door lock can say that the suitable fortune comes. Besides the intelligent door lock can be unlocked by using the mobile phone, the user can set visitor permission through the mobile phone, and only an invited person can take the mobile phone to enter the door. Besides supporting the unlocking of the mobile phone, the original unlocking mode, namely key unlocking, is also reserved.

And the key is used for unlocking, so that the safety of the intelligent door lock is very low, and the intelligent door lock is easily unlocked by lawbreakers. The trick lock adopts pure mechanical mechanism, and the security is some relatively high, but the trick lock still can reserve the key and unblank, in addition, because the combination dial of trick lock has fixed scale quantity, for example the combination dial includes 10 scale quantity or 16 scale quantities, leads to its possible number combination to be limited, can test each number combination to the password of unblanking obtains very easily, in addition, experienced person can discern the password through sound, thereby causes very big potential safety hazard.

Disclosure of Invention

The invention aims to provide a mechanical anti-test coded lock which can prevent lawless persons from testing digital combinations,

in order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a mechanical type prevents experimental trick lock, includes lock body, control part and password driver plate, the control part with the password driver plate install in the lock body, the control part includes spring bolt, first twist head and locking lever, rotatable the setting in the lock body of spring bolt, first twist the head set up in the outside of lock body, locking lever slidable set up in the inside of lock body and be used for with predetermine the lockhole cooperation on the door frame, the password driver plate is used for controlling the control part to make mechanical type prevent experimental trick lock and be in locking status and open mode, mechanical type prevents experimental trick lock still includes the fingerprint lock, the password driver plate includes at least three driver plate subassemblies that are independent, the driver plate subassembly includes password dish, driving part and follower, the password dish drive part with the equal rotatable setting in the lock body of follower, the password disk of at least three the driver plate subassembly is coaxial to be set up, the drive piece coaxial setting of at least three the driver plate subassembly, the coaxial setting of follower of at least three the driver plate subassembly, the password disk is located the outside of lock body, the drive piece with the follower is located the inside of lock body, the drive piece includes the driving gear, the driving gear with password disk fixed connection just the password disk can drive the driving gear rotates, the follower includes driven gear and locking plate, driven gear with the driving gear meshing, the locking plate is circular slice, driven gear with the coaxial fixed setting of locking plate and can synchronous rotation, be provided with a first breach and at least one second breach on the locking plate in at least one the driver plate subassembly, the degree of depth of first breach is greater than the degree of depth of second breach, at least one on the locking plate the quantity sum of first breach with the second breach is less than corresponding the scale quantity of code disc, at least one on the locking plate the adjacent both sides of first breach are provided with at most one the second breach.

Further, the mechanical anti-test coded lock has a first state, a second state and a third state; when the mechanical anti-test coded lock is in the first state, the lock tongue is not embedded into any one of the first notch and the second notch; when the mechanical anti-test coded lock is in the second state, the lock tongue is embedded into at least one second notch, the dial plate assembly is locked, and the coded disc cannot rotate; when the mechanical anti-test coded lock is in the third state, the lock tongue is embedded into the first notch, and the first screwing head can control the lock rod to move.

Further, the fingerprint lock comprises an input part, a controller and an electromagnet part, wherein the controller is used for receiving fingerprint information transmitted by the input part and judging, if the fingerprint information does not correspond to preset information, an instruction that the electromagnet part does not work is sent, and if the fingerprint information corresponds to the preset information, the controller controls the electromagnet part to be electrified and adsorb the lock tongue so that the lock tongue is separated from the second notch and stops adsorbing after preset time.

Further, one part of the locking plates are first locking plates, the other part of the locking plates are second locking plates, the first locking plates are only provided with one of the first notches, and the second locking plates are provided with one of the first notches and at least one of the second notches.

Further, every the locking plate all is provided with at least one first breach and at least one the second breach.

Furthermore, the control part also comprises an action rod, a return spring, a first gear, a second gear and a third gear, the lock tongue is arranged on the action rod and is rotatably connected with the lock body through the action rod, the first gear is rotatably arranged on the action rod, the second gear and the third gear are both rotatably connected with the lock body, the rotation axes of the first gear, the second gear and the third gear are parallel, the reset spring enables the lock tongue to be pressed on the lock plate, the second gear is connected with the first screwing head, and the first screwing head can control the second gear to rotate, the first gear is meshed with the third gear, the third gear can drive the lock rod to move when rotating, the action rod can drive the first gear and the second gear to be meshed or separated when rotating; the mechanical anti-test coded lock is in the first state with during the second state, the first gear with the second gear breaks away from, when the mechanical anti-test coded lock is in the third state, the first gear simultaneously with the second gear with the meshing of third gear just can pass through during the first twisting head the second gear with third gear control the locking lever motion.

Further, experimental trick lock is prevented to mechanical type still includes manual control spare, manual control spare includes first plectrum, fixed block and inserted bar, the fixed block is fixed in inside the lock body, the quantity of fixed block is two and the interval sets up, inserted bar slidable set up in the fixed block, be provided with the second plectrum on the inserted bar, first plectrum with the second plectrum all is located keeping away from of lock body one side of password dish, first plectrum with the action bars is connected and can be driven the action bars rotates, the second plectrum is located two between the fixed block.

Furthermore, the third gear is provided with a torsion spring and can be restored to the original position so as to enable the lock rod to be in a locking state, the end part of the lock rod comprises a first surface and a second surface, the first surface is closer to one side, provided with the password disk, of the lock body relative to the second surface, the first surface is a plane and is parallel to the outer side of the lock body, the second surface is an arc surface, and one end of the second surface is connected with one end of the first surface; the drive plate component further comprises a password replacing part, and the password replacing part is connected with the driven part and can drive the driven part to be separated from the driving part.

Furthermore, experimental trick lock is prevented to mechanical type still includes the second and revolves the spiral shell head, the second revolve spiral shell head rotatable set up in the lock body, the second revolve spiral shell head with first revolve spiral shell head is located respectively the outside relative both sides of lock body, the second revolve spiral shell head with third gear connection just can drive the third gear rotates.

Further, the number of the fingerprint locks is at least two and the fingerprint locks work independently.

The invention has the following beneficial effects:

the invention discloses a mechanical anti-test coded lock which comprises a lock body, a control part, a coded drive plate and a fingerprint lock, wherein the coded drive plate comprises at least three drive plate components which are mutually independent, each drive plate component comprises a coded disc, a driving part and a driven part, the driving part comprises a driving gear, the driven part comprises a driven gear and a locking plate, the locking plate in at least one drive plate component is provided with a first notch and at least one second notch, the depth of the first notch is larger than that of the second notch, the fingerprint lock comprises an input part, a control part and an electromagnet part, and the electromagnet part can adsorb a lock tongue when being electrified so as to enable the lock tongue to be separated from the second notch and stop adsorbing after preset time.

When the mechanical anti-test coded lock provided by the invention is used, if a lawless person unlocks the coded lock in a digital combination test mode, the coded disc cannot rotate again as long as the spring bolt is clamped into the second notch, the coded lock is completely locked, and the lawless person cannot perform state recovery through the fingerprint lock. When the master unlocks, the lock can be unlocked only by rotating according to a specified rotating mode, even if the coded lock is locked by a lawless person after being tested, the state can be replied through the fingerprint, and then the password is input again. Lawbreakers are difficult to unlock through a digital combination test, and owners can control the password disk according to a preset state to achieve the purpose of unlocking, so that the operation mode is simple and convenient; in addition, even if a lawbreaker obtains the fingerprint information of the owner, the next digital combination test can be carried out only at a time interval during the locking time of the coded lock, so that the test unlocking time of the lawbreaker is effectively prolonged, precious time is won for discovering the lawbreaker, and the property safety can be effectively protected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mechanical anti-test combination lock according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural diagram of the combination dial of FIG. 2;

fig. 4 is a schematic structural view of the locking tab of fig. 3.

The reference numerals correspond to the following:

10-mechanical anti-test coded lock;

11-a lock body; 12-a control section; 13-a password dial; 14-a fingerprint lock; 15-manual control;

120-a tongue; 121-first screwing head; 122-a locking bar; 123-action rod; 124-a return spring; 125-a first gear; 126-second gear; 127-a third gear; 130-a combination disk; 131-a driving part; 132-a follower; 133-first notch; 134-second notch; 135-driven gear; 136-locking plate; 140-an input; 141-a controller; 142-electromagnet part.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural diagram of the combination dial of FIG. 2;

fig. 4 is a schematic structural view of the locking tab of fig. 3.

Referring to fig. 1 and 2, an embodiment of the invention provides a mechanical anti-test combination lock 10, where the mechanical anti-test combination lock 10 includes a lock body 11, a control portion 12, a combination dial 13, a fingerprint lock 14, and a manual control member 15.

Control portion 12 and code dial 13 are installed in lock body 11, and control portion 12 includes spring bolt 120, first twist head 121 and locking lever 122 of revolving, and spring bolt 120 is rotatable to be set up in lock body 11, and first twist head 121 sets up in the outside of lock body 11, and locking lever 122 slidable sets up in the inside of lock body 11 and is used for cooperating with the lockhole of predetermineeing on the door frame, and code dial 13 is used for controlling control portion 12 to make experimental trick lock 10 of mechanical type prevent being in lock state and open mode.

The structure of the control portion 12 can be implemented by the prior art, that is, how the lock tongue 120 rotates to drive the lock rod 122 to rotate, and the prior art can be implemented, and will not be described herein.

Referring to fig. 2, in the present embodiment, the specific structure of the control portion 12 is: the control portion 12 further includes an actuating rod 123, a return spring 124, a first gear 125, a second gear 126 and a third gear 127, the latch bolt 120 is mounted on the actuating rod 123 and rotatably connected to the lock body 11 through the actuating rod 123, the first gear 125 is rotatably disposed on the actuating rod 123, the second gear 126 and the third gear 127 are rotatably connected to the lock body 11, rotation axes of the first gear 125, the second gear 126 and the third gear 127 are parallel, the return spring 124 presses the latch bolt 120 to the latch bolt 136, the second gear 126 is connected to the first screwing head 121, the first screwing head 121 can control the second gear 126 to rotate, the first gear 125 is engaged with the third gear 127, the third gear 127 can drive the latch rod 122 to move when rotating, and the actuating rod 123 can drive the first gear 125 and the second gear 126 to engage or disengage when rotating.

Referring to fig. 3, the combination dial 13 includes at least three dial assemblies independent from each other, and the dial assemblies include a combination dial 130, a driving member 131, and a driven member 132.

The dial component has the specific structure that: password dish 130, the equal rotatable setting in lock body 11 of driving piece 131 and follower 132, the coaxial setting of password dish 130 of three driver plate subassembly, the coaxial setting of driving piece 131 of three driver plate subassembly, the coaxial setting of follower 132 of three driver plate subassembly, password dish 130 is located the outside of lock body 11, driving piece 131 and follower 132 are located the inside of lock body 11, driving piece 131 includes the driving gear, the driving gear can drive the driving gear rotation with password dish 130 fixed connection and password dish 130, follower 132 includes driven gear 135 and locking plate 136, driven gear 135 and driving gear meshing, locking plate 136 is circular slice, driven gear 135 and the coaxial fixed setting of locking plate 136 just can synchronous rotation.

Referring to fig. 4, at least one locking plate 136 of the dial assembly is provided with a first notch 133 and at least one second notch 134, the depth of the first notch 133 is greater than that of the second notch 134, the sum of the number of the first notch 133 and the second notch 134 on the at least one locking plate 136 is less than the number of the scales of the corresponding combination dial 130, and at most one second notch 134 is provided on two adjacent sides of the first notch 133 on the at least one locking plate 136.

The mechanical anti-trial combination lock 10 has a first state, a second state and a third state; when the mechanical anti-test combination lock 10 is in the first state, the lock tongue 120 is not embedded into any one of the first notch 133 and the second notch 134; when the mechanical anti-test combination lock 10 is in the second state, the lock tongue 120 is embedded into the at least one second notch 134, the dial component is locked, and the combination dial 130 cannot rotate; when the mechanical anti-trial combination lock 10 is in the third state, the locking tongue 120 is inserted into all the first notches 133, and the first screwing head 121 can control the movement of the locking rod 122.

When the mechanical anti-test combination lock 10 is in the first state and the second state, the first gear 125 is disengaged from the second gear 126, and when the mechanical anti-test combination lock 10 is in the third state, the first gear 125 is simultaneously engaged with the second gear 126 and the third gear 127, and the lock rod 122 can be controlled to move by the second gear 126 and the third gear 127 when the first screwing head 121 is in the first state.

The number of fingerprint locks 14 is at least two and can be operated independently. The fingerprint lock 14 includes an input portion 140, a controller 141, and an electromagnet portion 142, where the controller 141 is configured to receive and determine fingerprint information transmitted by the input portion 140, send an instruction that the electromagnet portion 142 does not operate if the fingerprint information does not correspond to preset information, and control the electromagnet portion 142 to be powered on and attract the latch bolt 120 if the fingerprint information corresponds to the preset information, so that the latch bolt 120 is disengaged from the second notch 134 and stops attracting after a preset time.

The structure of each locking tab 136 can be selected from one of the following two options:

in the first scheme, a part of the locking plates 136 is a first locking plate, another part of the locking plates 136 is a second locking plate, the first locking plate is only provided with a first notch 133, and the second locking plate is provided with a first notch 133 and at least one second notch 134.

Second, each locking tab 136 is provided with at least one first notch 133 and at least one second notch 134.

The manual control member 15 has the following specific structure: the manual control piece 15 includes first plectrum, fixed block and inserted bar, and the fixed block is fixed in inside the lock body 11, and the quantity of fixed block is two and the interval sets up, and the inserted bar slidable sets up in the fixed block, is provided with the second plectrum on the inserted bar, and first plectrum and second plectrum all are located one side of keeping away from password dish 130 of lock body 11, and first plectrum is connected with action bars 123 and can drives action bars 123 and rotate, and the second plectrum is located between two fixed blocks.

As an alternative to the above embodiment, the third gear 127 is provided with a torsion spring and can restore the third gear 127 to a normal position, so that the lock rod 122 is in a locked state, the end of the lock rod 122 includes a first surface and a second surface, the first surface is closer to the side of the lock body 11 where the code disc 130 is provided, the first surface is a plane and parallel to the outside of the lock body 11, the second surface is an arc surface, and one end of the second surface is connected with one end of the first surface; the dial assembly further comprises a password replacing member, which is connected to the driven member 132 and can drive the driven member 132 to disengage from the driving member 131.

As an alternative to the above embodiment, the mechanical anti-trial combination lock 10 further includes a second screwing head, the second screwing head is rotatably disposed on the lock body 11, the second screwing head and the first screwing head 121 are respectively located at two opposite sides of the outside of the lock body 11, and the second screwing head is connected to the third gear 127 and can drive the third gear 127 to rotate.

The mechanical anti-test coded lock 10 comprises a lock body 11, a control part 12, a coded dial 13 and a fingerprint lock 14, wherein the coded dial 13 comprises at least three independent dial components, each dial component comprises a coded dial 130, a driving part 131 and a driven part 132, the driving part 131 comprises a driving gear, the driven part 132 comprises a driven gear 135 and a locking plate 136, a first notch 133 and at least one second notch 134 are arranged on the locking plate 136 in at least one dial component, the depth of the first notch 133 is larger than that of the second notch 134, the fingerprint lock 14 comprises an input part 140, a controller 141 and an electromagnet part 142, and the electromagnet part 142 can adsorb the lock tongue 120 when being electrified so that the lock tongue 120 is separated from the second notch 134 and stops adsorbing after preset time.

When the mechanical anti-test coded lock 10 provided by the invention is used, if a lawbreaker unlocks in a digital combination test mode, the coded disc 130 cannot be rotated again as long as the bolt 120 is clamped into the second notch 134, the coded lock is completely locked, and the lawbreaker cannot perform state recovery through the fingerprint lock 14.

When the master unlocks, the lock can be unlocked only by rotating according to a specified rotating mode, even if the coded lock is locked by a lawless person after being tested, the state can be replied through the fingerprint, and then the password is input again.

Lawbreakers are difficult to unlock through a digital combination test, and owners can control the password disk 130 according to a preset state to achieve the purpose of unlocking, so that the operation mode is simple and convenient; in addition, even if a lawbreaker obtains the fingerprint information of the owner, the next digital combination test can be carried out only at a time interval during the locking time of the coded lock, so that the test unlocking time of the lawbreaker is effectively prolonged, precious time is won for discovering the lawbreaker, and the property safety can be effectively protected.

The number of scales refers to the number of steps of the cipher disk 130, and the number of scales is changed when the cipher disk 130 rotates one step.

The focus of the present invention is on the change of the configuration of the combination disks 130 and the fingerprint lock 14, and reference may be made to the configuration of existing combination locks without reference or only briefly described.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.

Claims

1. The utility model provides a mechanical type prevents experimental trick lock, includes lock body (11), control part (12) and password driver plate (13), control part (12) with password driver plate (13) install in lock body (11), control part (12) include spring bolt (120), first twist head (121) and locking lever (122), spring bolt (120) rotatable set up in lock body (11), first twist head (121) set up in the outside of lock body (11), locking lever (122) slidable set up in the inside of lock body (11) and be used for and predetermine the lockhole cooperation on the door frame, password driver plate (13) are used for control part (12), so that mechanical type prevents experimental trick lock and is in lock status and open mode, its characterized in that: experimental trick lock is prevented to mechanical type still includes fingerprint lock (14), password driver plate (13) are including mutually independent at least three driver plate subassembly, driver plate subassembly includes password dish (130), driving piece (131) and follower (132), password dish (130) driving piece (131) with follower (132) all rotatable set up in lock body (11), at least three password dish (130) coaxial setting of driver plate subassembly, at least three driving piece (131) coaxial setting of driver plate subassembly, at least three follower (132) coaxial setting of driver plate subassembly, password dish (130) are located the outside of lock body (11), driving piece (131) with follower (132) are located the inside of lock body (11), driving piece (131) include the driving gear, the driving gear with password dish (130) fixed connection just password dish (130) can drive password dish (130) the drive The driving gear rotates, the follower (132) comprises a follower gear (135) and a lock plate (136), the driven gear (135) is meshed with the driving gear, the locking plate (136) is in a circular sheet shape, the driven gear (135) and the locking plate (136) are coaxially fixed and can synchronously rotate, a first notch (133) and at least one second notch (134) are arranged on the locking plate (136) in at least one of the dial components, the depth of the first notch (133) is greater than that of the second notch (134), the sum of the number of the first notch (133) and the number of the second notch (134) on at least one of the locking plates (136) is less than the number of the scales of the corresponding password disk (130), and at most one second notch (134) is arranged on two adjacent sides of the first notch (133) on at least one of the locking plates (136);

the mechanical anti-test coded lock is provided with a first state, a second state and a third state; when the mechanical anti-test coded lock is in the first state, the lock tongue (120) is not embedded into any one of the first notch (133) and the second notch (134); when the mechanical anti-test coded lock is in the second state, the lock tongue (120) is embedded into at least one second notch (134), the dial plate assembly is locked, and the coded disc (130) cannot rotate; when the mechanical anti-test coded lock is in the third state, the lock tongue (120) is embedded into all the first notches (133), and the first screwing head (121) can control the lock rod (122) to move;

the control part (12) further comprises an action rod (123), a return spring (124), a first gear (125), a second gear (126) and a third gear (127), the lock tongue (120) is mounted on the action rod (123) and is rotatably connected to the lock body (11) through the action rod (123), the first gear (125) is rotatably arranged on the action rod (123), the second gear (126) and the third gear (127) are rotatably connected to the lock body (11), the rotation axes of the first gear (125), the second gear (126) and the third gear (127) are parallel, the return spring (124) enables the lock tongue (120) to be pressed against the lock plate (136), the second gear (126) is connected with the first screwing head (121), and the first screwing head (121) can control the second gear (126) to rotate, the first gear (125) is meshed with the third gear (127), the third gear (127) can drive the lock rod (122) to move when rotating, and the action rod (123) can drive the first gear (125) and the second gear (126) to be meshed or separated when rotating; when the mechanical anti-test coded lock is in the first state and the second state, the first gear (125) is separated from the second gear (126), and when the mechanical anti-test coded lock is in the third state, the first gear (125) is simultaneously meshed with the second gear (126) and the third gear (127), and the first screwing head (121) can control the movement of the lock rod (122) through the second gear (126) and the third gear (127).

2. The mechanical anti-trial combination lock of claim 1, wherein: the fingerprint lock (14) comprises an input part (140), a controller (141) and an electromagnet part (142), wherein the controller (141) is used for receiving fingerprint information transmitted by the input part (140) and judging the fingerprint information, if the fingerprint information does not correspond to preset information, an instruction that the electromagnet part (142) does not work is sent out, and if the fingerprint information corresponds to the preset information, the controller (141) controls the electromagnet part (142) to be electrified and adsorb the bolt (120), so that the bolt (120) is separated from the second notch (134) and stops adsorbing after preset time.

3. The mechanical anti-trial combination lock of claim 1, wherein: wherein a part locking plate (136) is first locking plate, and another part locking plate (136) is the second locking plate, first locking plate only is provided with one first breach (133), the second locking plate all is provided with one first breach (133) and at least one second breach (134).

4. The mechanical anti-trial combination lock of claim 1, wherein: each locking plate (136) is provided with at least one first notch (133) and at least one second notch (134).

5. The mechanical anti-trial combination lock of claim 1, wherein: experimental trick lock is prevented to mechanical type still includes manual control spare (15), manual control spare (15) include first plectrum, fixed block and inserted bar, the fixed block is fixed in lock body (11) are inside, the quantity of fixed block is two and the interval sets up, inserted bar slidable set up in the fixed block, be provided with the second plectrum on the inserted bar, first plectrum with the second plectrum all is located keeping away from of lock body (11) one side of password dish (130), first plectrum with action pole (123) are connected and can be driven action pole (123) rotate, the second plectrum is located two between the fixed block.

6. The mechanical anti-trial combination lock of claim 1, wherein: the third gear (127) is provided with a torsion spring and can restore the third gear (127) to the original position so as to enable the lock rod (122) to be in a locking state, the end part of the lock rod (122) comprises a first surface and a second surface, the first surface is closer to one side, provided with the password disk (130), of the lock body (11) relative to the second surface, the first surface is a plane and is parallel to the outer side of the lock body (11), the second surface is an arc surface, and one end of the second surface is connected with one end of the first surface; the dial component further comprises a password replacing part, and the password replacing part is connected with the driven part (132) and can drive the driven part (132) to be separated from the driving part (131).

7. The mechanical anti-trial combination lock of claim 6, wherein: the mechanical anti-test coded lock further comprises a second screwing head, the second screwing head is rotatably arranged on the lock body (11), the second screwing head and the first screwing head (121) are respectively located on two opposite sides of the outer portion of the lock body (11), and the second screwing head is connected with the third gear (127) and can drive the third gear (127) to rotate.

8. The mechanical anti-trial combination lock of claim 1, wherein: the number of the fingerprint locks (14) is at least two and the fingerprint locks work independently.