Fingerprint lock

Abstract

The utility model discloses a fingerprint lock which comprises a shell, a control panel, a fingerprint acquisition module, a motor and a lock pin structure, a main shaft of the motor is provided with a cylindrical gear, a straight gear is arranged on the side wall of the lock pin structure in the length direction, the cylindrical gear is meshed with the straight gear, and the motor and the fingerprint collection module are connected with the control panel. A guide groove is formed in the shell, a lock hole is formed in the shell, the lock pin structure is movably arranged in the guide groove, a first reset spring is arranged in the guide groove, one end of the first reset spring is connected with the inner wall of the guide groove, the other end of the first reset spring is connected with one end of the lock pin structure, and the other end of the lock pin structure points to the lock hole. The fingerprint acquisition module transmits a signal to the control panel, the control panel controls the motor to rotate in one direction, and the motor controls the spur gear and the lock pin structure to move in one direction through the cylindrical gear; after the fingerprint acquisition module acquires another signal, the signal is transmitted to the control panel, the control panel controls the motor to rotate in another direction, and the motor controls the spur gear and the lock pin structure to move in another direction through the cylindrical gear; unlocking or locking of the lock pin structure is achieved, the structure is simple, and stability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic locks, in particular to a fingerprint lock head. Background Technique

[0002] After the fingerprint lock receives the correct fingerprint information, the control board controls the motor to drive the lock pin to unlock or lock. The motor drives the lock pin to move back and forth through two cylindrical gears. Since the two cylindrical gears are relatively large in volume, the whole fingerprint lock head is relatively large. At the same time, the existing fingerprint lock head can only insert one lock pin into the hole, and can only supply the lock pin at a certain azimuth to insert. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a fingerprint lock head in view of the deficiencies of the prior art.

[0004] To achieve the above object, the utility model provides the following technical solution: A fingerprint lock head, including a housing, a control board, a fingerprint acquisition module, a motor and a lock pin structure; a cylindrical gear is provided on the main shaft of the motor, a spur gear is provided on the side wall of the lock pin structure along the length direction, the cylindrical gear meshes with the spur gear, and the motor and the fingerprint acquisition module are respectively connected to the control board.

[0005] A preferred solution is that a guide groove is provided in the housing, a lock hole is provided on the housing, the lock pin structure is movably arranged in the guide groove, a first return spring is provided in the guide groove, one end of the first return spring is connected to the inner wall of the guide groove, and the other end is connected to one end of the lock pin structure, and the other end of the lock pin structure points to the lock hole.

[0006] A preferred solution is that a battery is provided in the housing, and the battery is connected to the control board.

[0007] A preferred solution is that a fixing block is provided in the lock hole, and a plurality of lock pin insertion holes penetrate through the fixing block, and the other end of the lock pin structure points to one of the lock pin insertion holes.

[0008] A preferred solution is that a guide groove is provided in the housing, a lock tongue hole is provided on the side wall of the housing, and the lock pin structure includes a lock tongue, a movable groove and a second return spring; the movable groove is movably arranged in the guide groove, a spur gear is provided on the outer wall of the movable groove along the length direction, a second return spring is provided in the movable groove, one end of the second return spring is connected to the inner wall of the movable groove, and the other end is connected to one end of the lock pin structure, and the other end of the lock pin structure points to the lock tongue hole.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: After the fingerprint acquisition module acquires a preset fingerprint, the fingerprint acquisition module transmits the signal to the control board, and the control board controls the motor to rotate in one direction. The motor controls the spur gear and the lock pin structure to move in one direction through the cylindrical gear; after the fingerprint acquisition module acquires another signal and transmits the signal to the control board, the control board controls the motor to rotate in the other direction, and the motor controls the spur gear and the lock pin structure to move in the other direction through the cylindrical gear; realizing unlocking or locking of the lock pin structure, with simple structure and good stability. Description of the Drawings

[0010] Figure 1 It is a three-dimensional view of the first embodiment of the present utility model;

[0011] Figure 2 It is a three-dimensional view of the interior of the first embodiment of the present utility model;

[0012] Figure 3 It is a three-dimensional view of the first embodiment of the present utility model during use;

[0013] Figure 4 It is an exploded view of the first embodiment of the present utility model;

[0014] Figure 5 It is a three-dimensional view of the second embodiment of the present utility model;

[0015] Figure 6 It is a three-dimensional view of the interior of the second embodiment of the present utility model;

[0016] Figure 7 It is an exploded view of the second embodiment of the present utility model;

[0017] Figure 8 It is a three-dimensional view of the assembly of the motor and the lock pin structure in the present utility model. Detailed Embodiment

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] The first embodiment, as Figures 1 to 4 , Figure 8As shown in the figure, a fingerprint lock head includes a housing 10, a control board 20, a fingerprint acquisition module 30, a motor 40, and a lock pin structure 50; a cylindrical gear 41 is provided on the main shaft of the motor 40, a spur gear 51 is provided on the side wall of the lock pin structure 50 along the length direction, the cylindrical gear 41 meshes with the spur gear 51, and the motor 40 and the fingerprint acquisition module 30 are respectively connected to the control board 20.

[0020] As Figures 1 to 4 , Figure 8 shown, after the fingerprint acquisition module 30 acquires a preset fingerprint, the fingerprint acquisition module 30 transmits a signal to the control board 20, and the control board 20 controls the motor 40 to rotate in one direction. The motor 40 controls the spur gear 51 and the lock pin structure 50 to move in one direction through the cylindrical gear 41; after the fingerprint acquisition module 30 acquires another signal and transmits the signal to the control board 20, the control board 20 controls the motor 40 to rotate in another direction, and the motor 40 controls the spur gear 51 and the lock pin structure 50 to move in another direction through the cylindrical gear 41; realizing unlocking or locking of the lock pin structure 50, with a simple structure and good stability.

[0021] As Figures 1 to 4 , Figure 8 shown, a guide groove 11 is provided in the housing 10, a lock hole 13 is provided on the housing 10, the lock pin structure 50 is movably arranged in the guide groove 11, a first return spring 12 is provided in the guide groove 11, one end of the first return spring 12 is connected to the inner wall of the guide groove 11, and the other end is connected to one end of the lock pin structure 50. The other end of the lock pin structure 50 points to the lock hole 13.

[0022] As Figures 1 to 4 , Figure 8 shown, the guide groove 11 plays a guiding role, and the lock pin structure 50 moves back and forth along the guide groove 11.

[0023] As Figures 1 to 4 shown, a battery 14 is provided in the housing 10, and the battery 14 is connected to the control board 20. The battery 14 supplies power to the motor 40.

[0024] As Figures 1 to 4 , Figure 8 shown, a fixing block 60 is provided in the lock hole 13, and a plurality of lock pin insertion holes 61 penetrate through the fixing block 60. The other end of the lock pin structure 50 points to one of the lock pin insertion holes 61. The motor 40 drives the lock pin structure 50 to insert into or pull out of the lock pin insertion hole 61, and can be locked with another locking structure 70 in the lock pin insertion hole 61. The lock pin insertion holes 61 can be set in multiple directions to lock the locking structures 70 in different directions, and the housing 10 can be installed in different positions.

[0025] Second embodiment, asFigures 5 to 8 As shown, a guiding groove 11 is provided inside the outer shell 10, and a locking tongue hole 15 is provided on the side wall of the outer shell 10. The locking pin structure 50 includes a locking tongue 51, a movable groove 52, and a second return spring 53. The movable groove 52 is movably arranged in the guiding groove 11. A spur gear 51 is provided on the outer wall of the movable groove 52 along the length direction. A second return spring 53 is provided inside the movable groove 52. One end of the second return spring 53 is connected to the inner wall of the movable groove 52, and the other end is connected to one end of the locking pin structure 50. The other end of the locking pin structure 50 points to the locking tongue hole 15.

[0026] As Figures 5 to 8 shown, after the fingerprint acquisition module 30 acquires a preset fingerprint, the fingerprint acquisition module 30 transmits a signal to the control board 20. The control board 20 controls the motor 40 to rotate in one direction. The motor 40 controls the movable groove 52 and the locking tongue 51 to move in one direction through the cylindrical gear 41. After the fingerprint acquisition module 30 acquires another signal and transmits the signal to the control board 20, the control board 20 controls the motor 40 to rotate in the other direction. The motor 40 controls the movable groove 52 and the locking tongue 51 to move in the other direction, realizing unlocking or locking of the locking tongue 51. The structure is simple and has good stability.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than a limitation on the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention does not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A fingerprint lock, characterized by: It includes a shell, a control panel, a fingerprint collection module, a motor and a lock pin structure; the main shaft of the motor is provided with a cylindrical gear, the side wall of the lock pin structure is provided with a spur gear along the length direction, the cylindrical gear and the spur gear are meshed with each other, and the motor and the fingerprint collection module are respectively connected to the control panel.

2. A fingerprint lock according to claim 1, characterized in that: A guide groove is provided in the shell, and a lock hole is provided in the shell. The lock pin structure is movably arranged in the guide groove. A first return spring is provided in the guide groove. One end of the first return spring is connected to the inner wall of the guide groove, and the other end is connected to one end of the lock pin structure. The other end of the lock pin structure points to the lock hole.

3. A fingerprint lock according to claim 1 or 2, characterized in that: A battery is arranged in the shell, and the battery is connected to the control board.

4. The fingerprint lock according to claim 2, characterized in that: A fixing block is arranged in the lock hole, and a plurality of lock pin insertion holes are penetrated through the fixing block, and the other end of the lock pin structure points to one of the lock pin insertion holes.

5. The fingerprint lock according to claim 1, characterized in that: A guide groove is provided in the shell, a lock tongue hole is provided on the side wall of the shell, and the lock pin structure includes a lock tongue, a movable groove and a second return spring; the movable groove is movably arranged in the guide groove, a spur gear is provided on the outer wall of the movable groove along the length direction, a second return spring is provided in the movable groove, one end of the second return spring is connected to the inner wall of the movable groove, and the other end is connected to one end of the lock pin structure, and the other end of the lock pin structure points to the lock tongue hole.

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