CN210530533U

CN210530533U - Self-generating fingerprint lock

Info

Publication number: CN210530533U
Application number: CN201921260778.0U
Authority: CN
Inventors: 张少杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-15
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a self-generating fingerprint lock, which separates the connecting shaft between the traditional handle and the lock shaft device, adopts a group of mutually matched friction plates, installs one of the friction plates at the shaft end of a second cylinder body which is in sliding fit in the handle, utilizes the matching between a first cylinder body and the second cylinder body with different radiuses and respective round holes to ensure that the pressure spring pushes the first cylinder body outwards all the time, ensures the reliable transmission of two groups of friction plates, the first cylinder body compresses the pressure spring backwards, the two groups of friction plates are separated, the clamping state of the handle is released, and the driving gear drives a one-way transmission speed change device to realize self-generating, the power generation facility of a stay cord formula has been introduced simultaneously, the utility model discloses energy-concerving and environment-protective, reasonable in design, simple structure, with low costs, longe-lived, the generating efficiency is high, occupation space not, easy operation is convenient, is fit for promoting.

Description

Self-generating fingerprint lock

Technical Field

The utility model belongs to the technical field of the tool to lock, especially, relate to from electricity generation fingerprint lock.

Background

With the development of electronic technology, electronic locks are applied more and more widely. Since the electronic lock must be controlled and actuated by electricity during use, it is generally necessary to use batteries for power supply. However, once the battery is used up for a long time, the electronic lock may not be unlocked or locked safely, which causes inconvenience in use, the frequent replacement of the battery also increases the use cost of the electronic lock, and the discarded battery also causes environmental pollution.

In order to solve the problem of continuous and stable power supply of a battery, a self-generating device is adopted in part of products, the power generating device in a lock is driven to generate power in the process of operating a handle to open a door, but the rotating stroke of the handle is limited, so that the stored power is limited, for people with long time interval of returning home, the power generator cannot be frequently triggered, so that when a user returns home again to unlock the lock, due to the fact that the power in a rechargeable battery is lost, the coded lock does not have enough power to start a fingerprint or keyboard unlocking device, and at the moment, the handle is locked by a locking shaft device to be incapable of rotating to generate power, great trouble is caused to the user, meanwhile, in the prior art, the power generation can be performed only along one direction of the rotation of the handle, the power generation is limited, and therefore, a person needs to wait for the power generation in the return trip of the handle, and the self-generating fingerprint lock without the above condition is used for solving the problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, a self-generating fingerprint lock is provided.

The utility model discloses the scheme of taking does: a self-generating fingerprint lock comprises a lock body, wherein a fingerprint identifier and a password keyboard are arranged on the lock body, a generator, a rechargeable battery, a control circuit and a lock shaft structure are arranged in the lock body, the six are electrically connected, and a handle is rotatably connected to the lock body, the self-generating fingerprint lock is characterized in that the handle is arranged in the lock body and is coaxially connected with a driving gear, the driving gear is in driving connection with a one-way transmission speed change device, an output shaft of the one-way transmission speed change device is connected with an input shaft of the generator, the driving gear is required to drive the one-way transmission speed change device to generate electricity for the generator, a first round hole and a second round hole which are communicated from front to back are formed in a rotating shaft of the handle, the radius of the first round hole is larger than that of the second round hole, the first round hole is axially and slidably connected with a first cylinder through a key, and a second cylinder in sliding, the rear end of first cylinder and the bottom of first round hole be connected with one set and establish the external pressure spring at the second cylinder, the rear end of second cylinder connect one and arrange the first friction disc of handle pivot rear side in, the front end cooperation of first friction disc one rotate the annular second friction disc of connection in the lock, satisfy under the effect of pressure spring, reliable transmission is realized to two sets of friction discs, the front end of first cylinder stretches out the handle and is provided with the spacing ring that is used for restricting first cylinder to pop out on hand, the input shaft of second friction disc and lock axle construction be connected.

Preferably, the one-way transmission speed change device comprises a one-way transmission device and a speed change transmission device, the input end of the one-way transmission device is connected with the driving gear, the output end of the one-way transmission device is connected with the input end of the speed change transmission device, and the output end of the speed change transmission device is connected with the input end of the generator;

the one-way transmission device comprises a first gear which is meshed with the driving gear and is rotatably connected in the lock body, the radius of the first gear is smaller than the driving gear, the first gear is coaxially connected with a semicircular plate which is arranged at the rear of the semicircular plate, a telescopic rod-shaped structure is connected between the central position of the circumferential edge of the semicircular plate and the lock body, a spring which is connected between the lock body and the semicircular plate is sleeved outside the rod-shaped structure, the spring is always in a compression state in the rotating process of the semicircular plate, the spring restoring force of the positions at the two ends is minimum, the rear of the semicircular plate is sequentially and coaxially connected with a first one-way gear and a second one-way gear, the first one-way gear is externally meshed with a second gear which is rotatably connected in the lock body, the second gear is meshed with a third gear which is rotatably connected in the lock body, and the third gear is meshed with the second one-way gear, the transmission directions of the first one-way gear and the second one-way gear are opposite, and a rotating shaft of the second gear is connected with an input shaft of the variable speed transmission device;

the variable speed transmission device comprises a first variable speed wheel and a second variable speed wheel which are connected in the lock body in a rotating mode, the two variable speed wheels are duplicate gears, a large gear of the first variable speed wheel is meshed with a small gear of the second variable speed wheel, a rotating shaft of the second variable speed wheel is connected with an input shaft of the generator, the variable speed transmission device further comprises a fourth gear which is coaxially connected to the rear of the second variable speed wheel, and the fourth gear is meshed with the small gear of the first variable speed wheel.

Preferably, the fingerprint identifier is movably connected with a baffle plate which is in transverse sliding fit with the front end of the lock body, so that the fingerprint identifier is shielded by the transverse movement of the baffle plate.

Preferably, the generator is a disc generator.

The self-generating fingerprint lock comprises a lock body, wherein a fingerprint recognizer and a password keyboard are arranged on the lock body, a generator, a rechargeable battery, a control circuit and a lock shaft structure are arranged in the lock body, the six are electrically connected, a handle is rotatably connected to the lock body, the self-generating fingerprint lock is characterized in that the handle is arranged in the lock body, part of the handle in the lock body is coaxially and rotatably connected with a driving gear, the driving gear is in driving connection with a one-way transmission speed change device, an output shaft of the one-way transmission speed change device is connected with an input shaft of the generator, the driving gear drives the one-way transmission speed change device to generate electricity for the generator, the driving gear is meshed with a fifth gear rotatably connected to the lock body, the fifth gear is coaxially sleeved with a one-way bearing, the one-way bearing is externally connected with a wire wheel through a torsion, the fifth gear is driven to rotate in a single-way mode through the pull rope, the end portion of the pull rope is provided with a pull ring, and the end portion of a rotating shaft of the handle is connected with a lock shaft structure.

Preferably, the generator is a disc generator.

The utility model has the advantages that: the utility model discloses carry out separation treatment with the connecting axle between traditional handle and the lock axle device, adopt a set of friction disc of mutually supporting, install one of them friction disc at the axle head of the interior sliding fit's of handle second cylinder, utilize first cylinder and the second cylinder that the radius differs in size and the cooperation between the round hole separately, make the pressure spring outwards promote first cylinder all the time, ensure the reliable transmission of two sets of friction discs, first cylinder backward compression pressure spring, two sets of friction disc separation, the chucking state of handle is relieved, utilize drive gear drive one-way transmission speed change gear to realize from the electricity generation, introduced a power generation facility of stay cord formula simultaneously, the utility model discloses energy-concerving and environment-protective, reasonable in design, simple structure, with low costs, longe-lived, the generating efficiency is high, occupation space not, easy operation is convenient, is fit for promoting.

Drawings

Fig. 1 shows the position of the present invention on the door.

Fig. 2 is a perspective view of the present invention, which only retains the front lock body.

Fig. 3 is a perspective view of the front lock of the present invention.

Fig. 4 is a front view of the present invention, which only retains the front lock body.

Fig. 5 is a rear view of the present invention, wherein only the front side lock body is retained.

Fig. 6 is a perspective view of the handle and the connecting portion thereof according to the present invention.

Fig. 7 is a sectional perspective view of the inner connection part of the handle according to the present invention.

Fig. 8 is a cross-sectional view of the inner connection portion of the handle according to the present invention.

Fig. 9 is a three-dimensional structure view of the middle handle and the one-way transmission speed change device connected thereto according to the present invention.

Fig. 10 is a perspective view of the one-way transmission device according to the present invention.

Fig. 11 is a perspective view of the middle-directional transmission device according to the present invention.

Fig. 12 is a perspective view of the middle speed change transmission device of the present invention.

Fig. 13 is a schematic view of the shaft structure of the present invention.

Fig. 14 is a perspective view of the power generation system using the cord.

Fig. 15 is a partial structural view of the power generation system using the pull cord according to the present invention.

Fig. 16 is a cross-sectional view of the handle portion of the pull-cord generating structure of the present invention.

Reference numerals: 1. a lock body; 2. a fingerprint identifier; 3. a password keyboard; 4. a generator; 5. a rechargeable battery; 7. a lock shaft structure; 8. a handle; 9. a drive gear; 10. a first circular hole; 11. a second circular hole; 12. a first column; 13. a second cylinder; 14. a pressure spring; 15. a first friction plate; 16. a second friction plate; 17. a limiting ring; 18. a first gear; 19. a semicircular plate; 20. a spring; 21. a first one-way gear; 22. a second one-way gear; 23. a second gear; 24. a third gear; 25. a first change gear; 26. a second change gear; 27. a fourth gear; 28. a shielding plate; 29. a fifth gear; 30. a one-way bearing; 31. a torsion spring; 32. a wire wheel; 33. pulling a rope; 34. and (4) a pull ring.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Embodiment one, combine the attached figure 1-16, the fingerprint lock of spontaneous generation, including the lock body 1, there are fingerprint identification device 2 and code keypad 3 on the lock body 1, are used for interacting with users intelligently respectively, the fingerprint code can store and remember at most three hundred, the lock body 1 is equipped with the generator 4, rechargeable battery 5, control circuit 6 and lock axle structure 7, and connect electrically between six, the fingerprint identification device 2 and code keypad 3 of the outside are connected with control circuit 6 by the circuit, the control connection connects rechargeable battery 5 and lock axle structure 7, the rechargeable battery 5 connects the generator 4, the lock body 1 on rotate connect with the handle 8, characterized by, the part that the said handle 8 is placed in the lock body 1 connects with a drive gear 9 coaxially, the drive gear 9 is fixedly mounted on the spindle, the drive gear 9 drives and connects a unidirectional transmission speed change gear, the output shaft of the unidirectional transmission speed change device is connected with the input shaft of the generator 4, the unidirectional transmission speed change device is driven by the driving gear 9 to generate electricity for the generator 4, the unidirectional transmission speed change device aims to generate electricity by unidirectional downward rotation of the handle 8 in the traditional sense, incidentally, the electricity generation of the generator 4 generates electricity by the principle of unidirectional cutting of a magnetic induction line, so that electricity is not generated in return stroke, the electricity is generated by return stroke reset movement, the unidirectional transmission speed change device is utilized to generate electricity no matter the handle is rotated forwards or reversely, a first circular hole 10 and a second circular hole 11 which are penetrated from front to back are formed in a rotating shaft of the handle 8, the radius of the first circular hole 10 is larger than that of the second circular hole 11, the first circular hole 10 and the second circular hole 11 form a step-shaped structure, a first cylinder 12 is connected in the first circular hole 10 in a sliding mode along the key axial direction, the rear end of the first cylinder 12 is connected with a second cylinder 13 in sliding fit with the second round hole 11, the first cylinder 12 and the second cylinder 13 are in a step-shaped cylinder structure, but a space is left between the rear end of the first cylinder 12 and the first round hole 10 to enable the first cylinder 12 to move in the first round hole 10 in the longitudinal direction, and the first cylinder 12 is connected with the first round hole 10 through a key, so that the first cylinder 12 can move in the longitudinal direction, and meanwhile, the first cylinder 12 can rotate together with the handle 8, the rear end of the first cylinder 12 and the bottom of the first round hole 10 are connected with a pressure spring 14 sleeved outside the second cylinder 13, the pressure spring 14 is always in a compressed state, one end of the pressure spring 14 is connected to the bottom of the first cylinder 12, namely, the space, the pressure spring 14 always provides an outward pushing force for the first cylinder 12, the rear end of the second cylinder 13 is connected with a first friction plate 15 arranged at the rear side of a rotating shaft of the handle 8, the front end of the first friction plate 15 is matched with an annular second friction plate 16 which is rotatably connected in the lock body 1, so that reliable transmission of two groups of friction plates is realized under the action of a pressure spring 14, the friction surface of the first friction plate 15 is arranged on the front end surface, the second friction plate 16 is installed in the lock body 1 by virtue of a bearing seat, the front end of the second friction plate 16 is connected with the second friction plate 16, the second friction plate 16 is of an annular structure, the first friction plate 15 can cross the front end of the second friction plate 16 to be matched with the first friction plate 15, and because the first cylinder 12 and the second cylinder 13 have the tendency of moving outwards under the action of the pressure spring 14, the first friction plate 15 is firmly pressed on the second friction plate 16, the front end of the first cylinder 12 extends out of the handle 8, but if the first cylinder 12 is pressed backwards, the pressure spring 14 is compressed again to deform, at this time, the second friction plate 16 is separated from the first friction plate 15, at this time, we can drive the one-way transmission speed change device to generate electricity by rotating the handle 8 under the condition that no electricity exists, the front end of the first cylinder 12 extends out of the handle 8, a limiting ring 17 used for limiting the first cylinder 12 to pop out is arranged on the handle 8, the second friction plate 16 is connected with an input shaft of the lock shaft structure 7, the lock shaft structure 7 locks the handle 8 when the two groups of friction plates are matched, that is, when electricity exists in the rechargeable battery 5 of the fingerprint lock at ordinary times, after the lock is unlocked through fingerprints or passwords, the lock state of the handle 8 is unlocked, then the handle 8 is rotated to open the door, and once no electricity exists in the interior of the handle 8, or the electricity in the rechargeable battery 5 is dissipated, the first cylinder 12 can be pressed, make handle 8 and lock axle separation to generate electricity through rotating handle 8, can, press a lot of, treat that the trick lock has the electricity after, the unblock password realizes, then opens the door at rotation handle 8, at the in-process that opens the door, all can drive and generate electricity, thereby carry out the electric quantity storage, realize from the electricity generation, accord with the needs of energy development.

The second embodiment provides a more convenient and reasonable self-generating fingerprint lock, and the first embodiment provides another pull ring 34 type power generating fingerprint lock, which comprises a lock body 1, wherein a fingerprint recognizer 2 and a password keyboard 3 are arranged on the lock body 1, a power generator 4, a rechargeable battery 5, a control circuit 6 and a lock shaft structure 7 are arranged in the lock body 1, the six are electrically connected, a handle 8 is rotatably connected to the lock body 1, the second embodiment is characterized in that a part of the handle 8 arranged in the lock body 1 is coaxially and rotatably connected with a driving gear 9, the driving gear 9 is in driving connection with a one-way transmission speed change device, an output shaft of the one-way transmission speed change device is connected with an input shaft of the power generator 4, the driving gear 9 drives the one-way transmission speed change device to generate power for the power generator 4, and the connection mode of the structure is the same as that of the first embodiment, therefore, the description is omitted, the only difference is that the driving gear 9 is rotatably connected to the shaft of the handle 8, the driving gear 9 is meshed with a fifth gear 29 rotatably connected to the inside of the lock body 1, the fifth gear 29 is coaxially sleeved with a one-way bearing 30, the inner ring of the one-way bearing 30 is fixed outside the rotating shaft of the fifth gear 29, the one-way bearing 30 is connected to a reel 32 through a torsion spring 31, the outer ring of the one-way bearing 30 is rotatably connected to the reel 32, a gap is left at the connecting part for installing the torsion spring 31, the reel 32 is connected to a pull rope 33, the end of the pull rope 33 extends out of the lock body 1, so that the pull rope 33 unidirectionally drives the fifth gear 29 to rotate, the end of the pull rope 33 is provided with a pull ring 34, the pull ring 34 pulls the pull ring 34 to drive the reel 32 to rotate, the reel 32 drives the rotating shaft of the fifth gear 29 to rotate through the one, so that the fifth gear 29 drives the driving gear 9 to generate power, and in the return stroke, due to the existence of the one-way bearing 30, the wire wheel 32 can smoothly withdraw the pull rope 33 onto the wire wheel 32 under the action of the torsion spring 31, and the fifth gear 29 is not driven to rotate, and the end part of the rotating shaft of the handle 8 is connected with the lock shaft structure 7.

In the third embodiment, on the basis of the first or second embodiment, with reference to fig. 1 to 16, the unidirectional transmission speed change device includes a unidirectional transmission device and a speed change transmission device, an input end of the unidirectional transmission device is connected with the driving gear 9, an output end of the unidirectional transmission device is connected with an input end of the speed change transmission device, and an output end of the speed change transmission device is connected with an input end of the generator 4;

the one-way transmission device comprises a first gear 18 which is meshed with a driving gear 9 and is rotationally connected in a lock body 1, the radius of the first gear 18 is smaller than that of the driving gear 9, the first gear 18 plays a role in enlarging the stroke, namely, a handle 8 rotates ninety degrees, the first gear 18 rotates one hundred eighty degrees, the first gear 18 is coaxially connected with a semicircular plate 19 arranged behind the first gear 18, a telescopic rod-shaped structure is connected between the central position of the circumferential edge of the semicircular plate 19 and the lock body 1, a spring 20 connected between the lock body 1 and the semicircular plate 19 is sleeved outside the rod-shaped structure, the spring 20 is always in a compression state in the rotating process of the semicircular plate 19, the restoring force of the spring 20 at the positions of two ends is minimum, a sleeve rod is hinged at the middle position of the semicircular plate 19, a sleeve is hinged on a support on the lock body 1, and the two sleeves are in sliding fit, and the outer spring 20 is always in a compressed state, and applies a force pushing to two sides, so that the handle 8 is automatically pushed to a horizontal or vertical position when rotating to a half, so that a user can rotate the handle in a horizontal or vertical direction by overcoming the elasticity of the spring 20, the rear part of the semicircular plate 19 is sequentially and coaxially connected with a first one-way gear 21 and a second one-way gear 22, the structure of the one-way gear is the prior art, namely, a one-way bearing 30 is sleeved with a straight gear which is coaxially and rotatably connected on a rotating shaft of the one-way bearing 30, so as to realize the function of transmitting one-way power, the first one-way gear 21 is externally engaged with a second gear 23 rotatably connected in the lock body 1, the second gear 23 is engaged with a third gear 24 rotatably connected in the lock body 1, and the third gear 24 is externally engaged with the second one-way gear 22, the transmission directions of the first one-way gear 21 and the second one-way gear 22 are opposite, the third gear 24 here functions as an idle gear, the third gear 24 is meshed with the external gear of the second one-way gear 22, but no meshing occurs between the external gear of the second one-way gear 22 and the third gear 24, if one occurs, no matter whether the direction of the rotating shaft input to the first one-way gear 21 is forward rotation or reverse rotation, the output shaft thereof, i.e., the rotating shaft of the second gear 23 always rotates towards one direction, and the rotating shaft of the second gear 23 is connected with the input shaft of the variable speed transmission device;

the variable speed transmission device comprises a first variable speed wheel 25 and a second variable speed wheel 26 which are connected in the lock body 1 in a rotating mode, the two variable speed wheels are duplicate gears, namely, a group of large gears and a group of small gears are connected to the same rotating shaft in sequence, the large gears of the first variable speed wheel 25 are meshed with the small gears of the second variable speed wheel 26, the rotating shaft of the second variable speed wheel 26 is connected with an input shaft of the generator 4, the variable speed transmission device further comprises a fourth gear 27 which is connected behind the second gear 23 in a coaxial mode, the fourth gear 27 is meshed with the small gears of the first variable speed wheel 25, the purpose of increasing the rotating speed is achieved in the power generation process, and the power generation efficiency is higher.

Fourth embodiment, on the basis of first embodiment or second embodiment, with reference to fig. 1-16, the fingerprint recognizer 2 can be movably connected to a shielding plate 28 that is transversely slidably fitted to the front end of the lock body 1, so that the shielding plate 28 can move transversely to shield the fingerprint recognizer 2, and the shielding plate 28 can prevent the fingerprint recognizer 2 from being polluted when not in use, and is simple, small in structure, convenient and practical.

In the fifth embodiment, on the basis of the first embodiment or the second embodiment, with reference to fig. 1 to 16, the generator 4 is a disk generator 4, and the disk generator 4 is high in generating efficiency and does not occupy space.

When the utility model is used, when the handle 8 separated fingerprint lock is adopted, when the electric quantity of the lock body 1 is not enough to support the coded lock or the fingerprint lock is opened, the first cylinder 12 is pressed, the first cylinder 12 continues to compress the pressure spring 14, so that the first friction plate 15 and the second friction plate 16 are separated, the rotating shaft of the handle 8 is separated from the lock shaft structure 7 at the rear part, then the handle 8 is rotated in a reciprocating way, the handle 8 drives the driving gear 9 in a reciprocating way to drive the first gear 18 to rotate, the rotating shaft of the first gear 18 rotates, the semicircular plate 19 acts on the spring 20 in the range of one hundred eighty degrees, the rotating shaft of the first gear 18 always has a forward thrust to act after the handle 8 passes over forty-five degrees, the handle 8 can be fixed at the current position, and then the forward thrust is matched by the transmission of the first one-way gear 21 and the second one-way gear 22, the rotating shaft of the second gear 23 always rotates towards one direction, if the power is generated through the transmission of the variable speed transmission device, the power generator 4 can be used for generating power, after the power generation is finished, the first cylinder 12 is stopped being pressed, then the handle 8 is rotated, the door opening and closing actions are realized, and in the secondary action, the power generation can be carried out for storing the electric quantity; when the fingerprint lock of adoption card rope formula, when fingerprint lock and keyboard lock do not have the electricity, pulling stay cord 33, make it rotate through one-way bearing 30 through torsional spring 31 drive fifth gear 29, fifth gear 29 drive gear 9 accomplishes the electricity generation work, loosen stay cord 33, stay cord 33 can receive on line wheel 32 at torsional spring 31's effect, but because one-way bearing 30's existence, fifth gear 29 can not driven the rotation, make stay cord 33 can rotate smoothly on line wheel 32, after pulling to fingerprint lock or trick lock have sufficient electric quantity, the unblock then rotate handle 8 division of doors can.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Self-generating fingerprint lock, including lock body (1), be equipped with fingerprint identification ware (2) and code keypad (3) on lock body (1), be equipped with generator (4), rechargeable battery (5), control circuit (6) and lock axle structure (7) in lock body (1), and the electricity is connected between six, lock body (1) on rotate and connect a handle (8), its characterized in that, the part coaxial coupling a drive gear (9) of handle (8) arranging in lock body (1), drive gear (9) drive connection one-way transmission speed change gear, the output shaft of one-way transmission speed change gear be connected with the input shaft of generator (4), satisfy drive gear (9) drive one-way transmission speed change gear and generate electricity for generator (4), the pivot of handle (8) in open first round hole (10) and second round hole (11) that link up from front to back, the radius of the first round hole (10) is larger than that of the second round hole (11), the first round hole (10) is internally connected with a first cylinder (12) in a sliding manner along the axial direction of a key, the rear end of the first cylinder (12) is connected with a second cylinder (13) in a sliding manner matched with the second round hole (11), the rear end of the first cylinder (12) and the bottom of the first round hole (10) are connected with a pressure spring (14) sleeved outside the second cylinder (13), the rear end of the second cylinder (13) is connected with a first friction plate (15) arranged on the rear side of a rotating shaft of the handle (8), the front end of the first friction plate (15) is matched and rotatably connected with an annular second friction plate (16) in the lock body (1), reliable transmission is realized by the two groups of friction plates under the action of the pressure spring (14), the front end of the first cylinder (12) extends out of the handle (8) and a limit ring (17) used for limiting the first cylinder (12) is arranged on the handle (8), the second friction plate (16) is connected with an input shaft of the lock shaft structure (7).

2. The self-generating fingerprint lock according to claim 1, wherein the unidirectional transmission speed change device comprises a unidirectional transmission device and a speed change transmission device, an input end of the unidirectional transmission device is connected with the driving gear (9), an output end of the unidirectional transmission device is connected with an input end of the speed change transmission device, and an output end of the speed change transmission device is connected with an input end of the generator (4);

the one-way transmission device comprises a first gear (18) which is meshed with a driving gear (9) and is rotationally connected in a lock body (1), the radius of the first gear (18) is smaller than the driving gear (9), the first gear (18) is coaxially connected with a semicircular plate (19) arranged at the rear of the first gear, a telescopic rod-shaped structure is connected between the central position of the circumferential edge of the semicircular plate (19) and the lock body (1), a spring (20) connected between the lock body (1) and the semicircular plate (19) is sleeved outside the rod-shaped structure, the requirement that the spring (20) is always in a compression state and the restoring force of the spring (20) at the two ends is minimum is met in the rotating process of the semicircular plate (19), the rear of the semicircular plate (19) is sequentially and coaxially connected with a first one-way gear (21) and a second one-way gear (23) which is rotationally connected in the lock body (1) in an external meshing way of the first one-way gear (21), the second gear (23) is meshed with a third gear (24) which is rotatably connected in the lock body (1), the third gear (24) is meshed with the outside of the second one-way gear (22), the transmission directions of the first one-way gear (21) and the second one-way gear (22) are opposite, and the rotating shaft of the second gear (23) is connected with the input shaft of the variable speed transmission device;

the variable speed transmission device comprises a first variable speed wheel (25) and a second variable speed wheel (26) which are rotationally connected in the lock body (1), the two variable speed wheels are duplicate gears, a large gear of the first variable speed wheel (25) is meshed with a small gear of the second variable speed wheel (26), a rotating shaft of the second variable speed wheel (26) is connected with an input shaft of the generator (4), the variable speed transmission device further comprises a fourth gear (27) which is coaxially connected behind the second gear (23), and the fourth gear (27) is meshed with the small gear of the first variable speed wheel (25).

3. The self-generating fingerprint lock according to claim 1, wherein the fingerprint identifier (2) is movably connected with a shielding plate (28) which is transversely matched with the front end of the lock body (1) in a sliding manner, so that the fingerprint identifier (2) can be shielded by the transverse movement of the shielding plate (28).

4. The self-generating fingerprint lock according to claim 1, wherein the generator (4) is a disc generator.

5. Self-generating fingerprint lock, including lock body (1), be equipped with fingerprint identification ware (2) and code keypad (3) on lock body (1), be equipped with generator (4), rechargeable battery (5), control circuit (6) and lock axle structure (7) in lock body (1), and the electricity is connected between six, lock body (1) on rotate and connect a handle (8), its characterized in that, the part coaxial rotation that handle (8) were arranged in lock body (1) connects a drive gear (9), drive gear (9) drive connection one-way transmission speed change gear, the output shaft of one-way transmission speed change gear be connected with the input shaft of generator (4), satisfy drive gear (9) drive one-way transmission speed change gear and generate electricity for generator (4), drive gear (9) meshing one-way fifth gear (29) of connection in lock body (1), the coaxial suit one-way bearing (30) of fifth gear (29), one-way bearing (30) connect a line wheel (32) through a torsional spring (31) outward, line wheel (32) on be connected with stay cord (33) and stay cord (33) the tip extend to outside lock body (1), satisfy stay cord (33) one-way drive fifth gear (29) and rotate, stay cord (33) tip be provided with pull ring (34), the end connection lock axle construction of the pivot of handle (8).

6. The self-generating fingerprint lock according to claim 5, wherein the unidirectional transmission speed change device comprises a unidirectional transmission device and a speed change transmission device, an input end of the unidirectional transmission device is connected with the driving gear (9), an output end of the unidirectional transmission device is connected with an input end of the speed change transmission device, and an output end of the speed change transmission device is connected with an input end of the generator (4);

7. The self-generating fingerprint lock according to claim 5, wherein the fingerprint identifier (2) is movably connected with a shielding plate (28) which is transversely matched with the front end of the lock body (1) in a sliding manner, so that the fingerprint identifier (2) can be shielded by the transverse movement of the shielding plate (28).

8. The self-generating fingerprint lock according to claim 5, wherein the generator (4) is a disc generator.