A fingerprint padlock capable of preventing motor stall and prolonging product life
The design of the drive mechanism and safety mechanism protects the motor gears from damage and enables rapid unlocking in the motor protection state, solving the problems of abnormal motor noise and damage, and improving the service life and user experience of the fingerprint padlock.
Patent Information
- Application Number
- CN202311161694.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-08
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2043-09-08
AI Technical Summary
The motors in existing fingerprint padlocks are prone to abnormal noise and damage due to reverse impact, which affects their service life. Furthermore, when damaged, they cannot be unlocked quickly and require forced unlocking, thus shortening the lifespan of the lock product.
The design incorporates a drive mechanism and a safety mechanism, including a first motor, a clutch assembly, a swing arm, a rotating plate, and a second motor. The clutch assembly protects the motor from slippage, while the second motor drives the pin and the moving rod to achieve rapid unlocking and prevent forced unlocking.
It protects the internal gears of the motor from damage, extends the motor's lifespan, and enables quick unlocking while the motor is in protection mode, avoiding forced unlocking and improving the overall product lifespan.
Smart Images

Figure CN117211596B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fingerprint padlocks, in particular to a fingerprint padlock capable of preventing motor stall and prolonging product life. BACKGROUND
[0002] Due to technical reasons, the motor of the existing fingerprint padlock directly drives the swing arm to hit the lock tongue, thereby achieving unlocking. However, in actual use, it is found that the motor of this structure is prone to abnormal noise after a period of use, that is, the motor is in an abnormal state.
[0003] In the prior art, (1) the motor directly drives the swing arm to hit the lock tongue, and abnormal noise occurs after being subjected to repeated reverse impact. When the resistance of hitting the lock tongue increases, the internal gear of the motor is damaged by a large external force, which easily affects the service life of the motor, and further affects the service life of the lock product and the user experience;
[0004] (2) when the motor is damaged or in other abnormal states, it cannot be quickly unlocked, and violent unlocking is required, which shortens the service life of the lock body 1;
[0005] Therefore, the present application provides a fingerprint padlock capable of preventing motor stall and prolonging product life to solve the above problems. SUMMARY
[0006] The present application aims to provide a fingerprint padlock capable of preventing motor stall and prolonging product life to solve the problems in the background art.
[0007] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a fingerprint padlock capable of preventing motor stall and prolonging product life, comprising a lock body, a lock beam connected to one end of the lock body, and a pushing assembly arranged in the lock body for locking the lock beam, wherein one side of the pushing assembly is provided with a driving mechanism in the lock body, the driving mechanism is used for pushing the pushing assembly to lock the lock beam, the driving mechanism comprises a first motor arranged in the lock body, a driving shaft connected to the driving end of the first motor, a spring penetrating through the driving shaft in rotation, a clutch assembly connected to the spring for pushing the clutch assembly to a connected state, a swing arm connected to the top end of the clutch assembly for supporting the swing arm to swing and push the pushing assembly, an insurance mechanism arranged at the top of the lock body, the insurance mechanism is used for moving a plug-in connection mechanism, and the connection mechanism is used for connecting the free end of the lock beam and the lock body.
[0008] Preferably, the connection mechanism comprises a cavity arranged at the free end of the lock beam, a rotating plate rotatably arranged in the cavity, the rotating plate moves through a communication hole to enter the cavity or separate from the lock beam, a fixed rod connected to the bottom end of the rotating plate, and a moving rod connected to the bottom end of the fixed rod.
[0009] Preferably, the insurance mechanism comprises a mobile plug-in lock beam and a mobile plug-in lock beam and a mobile plug-in lock beam, the free end of the plug-in lock is screwed with a screw rod for pushing the plug-in lock to move laterally, the free end of the screw rod is connected with the output end of a second motor, and the second motor is arranged on a mounting seat.
[0010] Preferably, the clutch assembly is divided into upper and lower parts, the lower part of the clutch assembly is vertically slidably clamped on the drive shaft, and the upper part of the clutch assembly is arranged at the bottom of the swing arm.
[0011] Preferably, the bottom end of the spring contacts the top of the first motor box, and the top end of the spring is connected to the bottom of the lower part of the clutch assembly.
[0012] Preferably, the swing arm is rotatably clamped on the drive shaft, the swing arm rotates on the drive shaft, and the top end of the drive shaft is rotatably connected with the lock body.
[0013] Preferably, the cavity is a disc-shaped cavity, the rotating plate rotates in the cavity, and the size of the rotating plate is smaller than the size of the communication hole.
[0014] Preferably, the two ends of the fixed rod are respectively fixedly connected with the mobile rod and the rotating plate, and the bottom end of the mobile rod is movably inserted into the lock body.
[0015] Preferably, the plug-in lock is a concave structure, one end of the plug-in lock is slidably clamped on the mounting seat, the length of the screw rod is greater than or equal to the length of the plug-in lock, and the mounting seat is arranged at the top of the lock body.
[0016] Compared with the prior art, the beneficial effects of the present application are:
[0017] 1. When the swing arm is pushed by the push assembly and the resistance is greater than the clutch assembly, the clutch assembly will slip and release the force, thereby protecting the internal gear of the first motor from being damaged by the large external force, prolonging the service life of the first motor, that is, improving the product life, and protecting the internal gear of the first motor from being damaged by the large external force.
[0018] 2. When the clutch assembly cannot be unlocked by slipping and releasing the force, the second motor is driven, the second motor drives the screw rod to rotate, and then the plug-in lock moves away from the mobile rod, when the plug-in lock is separated from the mobile rod, any one of the rotating plate and the fixed rod is rotated, the rotating plate is rotated to the upper side of the communication hole, then the mobile rod is pulled down, the mobile rod is continuously inserted into the lock body, when the rotating plate moves to the outside of the lock beam through the communication hole, the mobile rod will reach the lower limit of the movement, then the lock beam is pushed to rotate in the lock body, and then the lock beam is rotated to the side away from the rotating plate, and the unlocking work is completed, so that when the first motor is in the protection state, the lock can still be quickly unlocked, and violent unlocking is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The structure of the present application is shown in the figure.
[0020] Figure 2 Structure diagram of the driving mechanism in the application;
[0021] Figure 3 Structure diagram of the driving mechanism in the application;
[0022] Figure 4 Structure diagram of the safety mechanism in the application;
[0023] Figure 5 Structure diagram of the connecting mechanism in the application.
[0024] In the figure: 1, lock body; 2, lock beam; 3, pushing assembly; 4, driving mechanism; 41, first motor; 42, driving shaft; 43, spring; 44, clutch assembly; 45, swing arm; 5, connecting mechanism; 51, cavity; 52, rotating plate; 53, communication hole; 54, fixed rod; 55, moving rod; 6, safety mechanism; 61, bolt; 62, screw rod; 63, second motor; 64, mounting seat. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the application will be apparently and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0026] Please refer to Figures 1-5 The application provides a technical solution: a fingerprint padlock capable of preventing motor lock and prolonging product life, which comprises a lock body 1, a lock beam 2 connected to one end of the lock body 1, and a pushing assembly 3 arranged in the lock body 1 and used for locking the lock beam 2. A driving mechanism 4 is arranged in one side of the pushing assembly 3 in the lock body 1, and the driving mechanism 4 is used for pushing the pushing assembly 3 to lock the lock beam 2. The driving mechanism 4 comprises a first motor 41 arranged in the lock body 1, a driving shaft 42 connected to a driving end of the first motor 41, a spring 43, and a clutch assembly 44. The spring 43 is arranged to penetrate through the driving shaft 42 and is connected to the clutch assembly 44, so as to push the clutch assembly 44 to be in a connected state. The clutch assembly 44 is connected to a bottom end of a swing arm 45 at a top end, so as to support the swing arm 45 to swing and push the pushing assembly 3. The clutch assembly 44 is divided into an upper half and a lower half. The lower half of the clutch assembly 44 is vertically slidably clamped on the driving shaft 42, and the upper half of the clutch assembly 44 is arranged at the bottom of the swing arm 45. A bottom end of the spring 43 is in contact with a top part of a box body of the first motor 41, and a top end of the spring 43 is connected to a bottom part of the lower half of the clutch assembly 44. The swing arm 45 is rotatably clamped on the driving shaft 42, and the swing arm 45 rotates on the driving shaft 42. A top end of the driving shaft 42 is rotatably connected to the lock body 1.
[0027] When the swing arm 45 is pushed by the push assembly 3 in the opposite direction and the resistance is greater than the clutch assembly 44, the clutch assembly 44 will slip and release the force. When the clutch assembly 44 slips and releases the force, the push spring 43 will contract, and the reaction of the push spring 43 will make the clutch assembly 44 still connect after slipping, thereby protecting the internal gear of the first motor 41 from being damaged by a large external force, delaying the service life of the first motor 41, i.e. improving the product life, and protecting the internal gear of the first motor 41 from being damaged by a large external force.
[0028] The lock body 1 is provided with an insurance mechanism 6 at the top, which is used to move the plug-in connection mechanism 5, and the connection mechanism 5 is used to connect the free end of the lock beam 2 and the lock body 1. The connection mechanism 5 includes a cavity 51 provided at the free end of the lock beam 2, a rotating plate 52 is rotatably arranged in the cavity 51, the rotating plate 52 moves through the communication hole 53 to enter the cavity 51 or separate from the lock beam 2, the bottom end of the rotating plate 52 is connected with a fixed rod 54, the bottom end of the fixed rod 54 is connected with a moving rod 55, the cavity 51 is a disc-shaped cavity, the rotating plate 52 rotates in the cavity 51, the size of the rotating plate 52 is smaller than the size of the communication hole 53, the two ends of the fixed rod 54 are respectively fixedly connected with the moving rod 55 and the rotating plate 52, the bottom end of the moving rod 55 is movably inserted into the lock body 1, the insurance mechanism 6 includes a plug 61 movably inserted into the side wall of the lock beam 2 and the moving rod 55, the free end of the plug 61 is threadedly connected with a screw rod 62 used to push the plug 61 to move horizontally, the free end of the screw rod 62 is connected with the output end of a second motor 63, the second motor 63 is arranged on a mounting seat 64, the plug 61 has a concave structure, one end of the plug 61 is slidably connected with the mounting seat 64, the mounting seat 64 is provided with a guide rail used for the sliding of the plug 61, the length of the screw rod 62 is greater than or equal to the length of the plug 61, and the mounting seat 64 is arranged at the top of the lock body 1.
[0029] When the clutch assembly 44 cannot be unlocked by slipping and releasing the force, the second motor 63 is driven (the driving mode can be opened by fingerprint recognition, which is prior art), the second motor 63 drives the screw rod 62 to rotate, and then the plug 61 moves away from the moving rod 55, when the plug 61 is separated from the moving rod 55, any one of the rotating plate 52, the moving rod 55 and the fixed rod 54 is rotated to make the rotating plate 52 rotate to the upper side of the communication hole 53, and then the moving rod 55 is pulled downward to make the moving rod 55 continue to be inserted into the lock body 1, when the rotating plate 52 moves to the outside of the lock beam 2 through the communication hole 53, the moving rod 55 will reach the upper limit of the downward movement, and then the lock beam 2 is pushed to rotate in the lock body 1 (the push assembly 3 locks the lock beam 2 and does not affect the rotation of the lock beam 2; if the part of the lock structure is special, the locking will affect the rotation of the lock beam 2, the lock beam 2 can be divided into two parts of vertical and curved, and the two parts are rotatably connected together), and then the lock beam 2 rotates to the side away from the rotating plate 52, and the unlocking work is completed, so that when the first motor 41 is in the protection state, the lock can still be quickly unlocked, and violent unlocking is avoided.
[0030] Working principle: when the swing arm 45 is pushed by the push assembly 3 against a large resistance, and the resistance is greater than the clutch assembly 44 flower tooth biting force, the clutch assembly 44 will slip off the force, when slipping off the force, the push spring 43 contracts, and the reaction of the spring 43 will make the clutch assembly 44 still restore the connection state after slipping, so as to protect the internal gear of the first motor 41 from being damaged by large external force, delay the service life of the first motor 41, that is, improve the product life, protect the internal gear of the first motor 41 from being damaged by large external force, when the clutch assembly 44 slips off the force and cannot be unlocked, the second motor 63 (the driving mode can be opened through fingerprint recognition, which is prior art) is driven, the second motor 63 drives the screw rod 62 to rotate, and then the bolt 61 moves away from the moving rod 55, when the bolt 61 is separated from the moving rod 55, any one group of rotating moving rod 55 and fixed rod 54 is rotated, the rotating plate 52 is rotated to the upper side of the communication hole 53, then the moving rod 55 is pulled down, the moving rod 55 is continuously inserted into the lock body 1, when the rotating plate 52 moves to the outside of the lock beam 2 through the communication hole 53, the moving rod 55 will reach the upper limit of the downward movement, then the lock beam 2 is pushed to rotate in the lock body 1 (the push assembly 3 locks the lock beam 2 and does not affect the rotation of the lock beam 2; if the part of the lock structure is special, the locking will affect the rotation of the lock beam 2, the lock beam 2 can be divided into vertical and curved two parts, the two parts are connected in rotation), and then the lock beam 2 is rotated to the side away from the rotating plate 52, and the unlocking work is completed, so that when the first motor 41 is in the protection state, the lock can still be quickly opened, and violent unlocking is avoided.
[0031] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A fingerprint padlock for preventing motor stall and improving product lifespan, comprising a lock body (1), a lock beam (2) connected at one end to the lock body (1), and a push assembly (3) disposed within the lock body (1) for locking the lock beam (2), characterized in that: The push assembly (3) one side lock body (1) is equipped with drive mechanism (4), drive mechanism (4) is used for pushing push assembly (3) lock beam (2), drive mechanism (4) includes the first motor (41) being equipped in lock body (1), the first motor (41) drive end connection drive shaft (42), drive shaft (42) rotation penetrates spring (43), spring (43) is connected with clutch assembly (44) and is used for pushing clutch assembly (44) to be in the connection state, clutch assembly (44) top end connection swing arm (45) bottom is used for supporting swing arm (45) swing push push assembly (3), the top of lock body (1) is equipped with safety mechanism (6), safety mechanism (6) is used for moving plug-in connection mechanism (5), the connection mechanism (5) is used for connecting the free end of lock beam (2) and lock body (1).
2. A fingerprint padlock that prevents motor stall and extends product life according to claim 1, wherein: The connection mechanism (5) includes a cavity (51) provided on the free end of the lock beam (2), a rotating plate (52) is rotatably arranged in the cavity (51), the rotating plate (52) moves through the communication hole (53) to enter the cavity (51) or separate from the lock beam (2), the bottom end of the rotating plate (52) is connected with a fixed rod (54), and the bottom end of the fixed rod (54) is connected with a moving rod (55).
3. A fingerprint padlock that prevents motor stall and extends product life according to claim 1, wherein: The safety mechanism (6) includes a bolt (61) moving into the lock beam (2) and the side wall of the moving rod (55), the free end of the bolt (61) is threadedly connected with a screw rod (62) for pushing the bolt (61) to move transversely, the free end of the screw rod (62) is connected with the output end of a second motor (63), and the second motor (63) is arranged on a mounting seat (64).
4. A fingerprint padlock that prevents motor stall and extends product life according to claim 1, wherein: The clutch assembly (44) is divided into two parts, the lower half of the clutch assembly (44) is vertically slidably clamped on the drive shaft (42), and the upper half of the clutch assembly (44) is arranged at the bottom of the swing arm (45).
5. A fingerprint padlock that prevents motor stall and extends product life according to claim 1, wherein: The bottom end of the spring (43) contacts the top of the first motor (41) box, and the top end of the spring (43) is connected to the bottom of the lower half of the clutch assembly (44).
6. A fingerprint padlock that prevents motor stall and extends product life according to claim 1, wherein: The swing arm (45) is rotatably clamped on the drive shaft (42), the swing arm (45) rotates on the drive shaft (42), and the top end of the drive shaft (42) is rotatably connected with the lock body (1).
7. A fingerprint padlock that prevents motor stall and extends product life according to claim 2, wherein: The cavity (51) is a disc-shaped cavity, the rotating plate (52) rotates in the cavity (51), and the size of the rotating plate (52) is smaller than the size of the communication hole (53).
8. A fingerprint padlock that prevents motor stall and extends product life according to claim 2, wherein: The two ends of the fixed rod (54) are respectively fixedly connected with the moving rod (55) and the rotating plate (52), and the bottom end of the moving rod (55) is movably inserted into the lock body (1).
9. A fingerprint padlock that prevents motor stall and extends product life according to claim 3, wherein: The bolt (61) is a concave structure, one end of the bolt (61) is slidably clamped on the mounting seat (64), the length of the screw rod (62) is greater than or equal to the length of the bolt (61), and the mounting seat (64) is arranged on the top of the lock body (1).
Citation Information
Patent Citations
Anti-knocking single-spring-bolt dual-system intelligent padlock
CN209837983U
Dustproof password padlock
CN217326825U