CN222457091U

CN222457091U - A smart lock

Info

Publication number: CN222457091U
Application number: CN202421132136.3U
Authority: CN
Inventors: 刘飞月; 刘金厂
Original assignee: Dongguan Anyue Intelligent Manufacturing Technology Co ltd
Current assignee: Dongguan Anyue Intelligent Manufacturing Technology Co ltd
Priority date: 2024-05-22
Filing date: 2024-05-22
Publication date: 2025-02-11
Anticipated expiration: 2034-05-22

Abstract

The utility model discloses a smart lock. It includes a shell; a lock tongue assembly, the lock tongue assembly includes a lock tongue with a U-shaped groove, a first gear is arranged in the U-shaped groove, and the lock tongue is movably arranged in the shell; a motor drive assembly, the electric drive assembly includes a reduction motor, the output end of the reduction motor is provided with a second gear meshing with the first gear, the reduction motor converts the rotational motion into reciprocating horizontal linear motion of the lock tongue through a gear pair, and an elastic component is arranged on the top of the reduction motor. The smart lock provided by the utility model has a reasonable structural design, is compact and simple, and has good stability, and is easy to promote and apply as a smart lock on safety components helmets in multiple fields.

Description

Intelligent lock

Technical Field

The utility model relates to the technical field of lock bodies, in particular to an intelligent lock.

Background

With the popularization of shared electric bicycles, various riding accessories such as helmets and the like are developed and perfected continuously. The helmet is matched and locked with the shared electric bicycle through the electric control lock body. At present, a common lock body mainly adopts a motor and a gear set to form a switch mechanism, the lock body is large in size, and the switch lock is failed due to easy sliding of teeth. Or the motor for driving the lock tongue is blocked and turned to generate excessive current and even burn out the motor due to the limitation of the critical position of the switch. In addition, the lock body on the market at present often does not have a waterproof function, so that the lock body is easy to fail and damage in an outdoor environment due to a severe climate environment.

Therefore, a new smart lock is proposed to solve the above-mentioned problems.

Disclosure of utility model

The present utility model provides an intelligent lock that solves the above-mentioned problems by improving the existing lock body.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the intelligent lock comprises:

A housing;

The lock tongue assembly comprises a lock tongue with a U-shaped groove, a first gear is arranged in the U-shaped groove, and the lock tongue is movably arranged in the shell;

The motor driving assembly comprises a gear motor, the output end of the gear motor is provided with a second gear meshed with the first gear, the gear motor converts rotary motion into reciprocating horizontal linear motion for driving the lock tongue through a gear pair, and the top of the gear motor is provided with an elastic component.

Preferably, the shell comprises an upper shell and a lower shell, the upper shell is provided with a through hole, a waterproof gasket is arranged at the through hole, and a bolt penetrates through the waterproof gasket and is fixed with the lower shell.

Preferably, the elastic component is a telescopic spring, one end of the spring is fixed with the upper shell, the other end of the spring is in butt joint with the top of the gear motor, the common fixed installation of the motor is changed into up-down sliding in a certain stroke range, and when the lock tongue moves to the tail end of the switch lock, the motor is jacked up because the plastic thickness at two ends of the lock tongue is higher than the lowest position of the gear part, so that sliding teeth are generated on the slope sliding surfaces at two ends of the motor, and the blocking is avoided.

Preferably, the gear teeth at the two ends of the first gear are smaller than the gear teeth in the middle, and are connected with the two side walls through arc transition surfaces.

Preferably, a first groove, a second groove and a third groove are formed in the lower shell, the first groove is matched with the gear motor to accommodate the gear motor, the second groove is perpendicular to the first groove and is used for accommodating a lock tongue with a U-shaped groove and extends out of the lower shell wall, and the third groove is formed in the adjacent side of the second groove and is used for accommodating a circuit board.

Preferably, the end of the lock tongue with the U-shaped groove is provided with a magnet, the magnet corresponds to a linear Hall device arranged on the circuit board, the linear Hall device can sense the magnet, and the lock tongue is positioned and monitored at any position in the whole switch stroke, so that on one hand, the lock tongue can be used for checking the problems generated in various scenes in the mass production and use process of products, on the other hand, the starting time of the motor can be optimally controlled by monitoring the position of the lock tongue in real time, thereby realizing the power-off control before the limit sliding teeth are not generated between the lock tongue and the shell, further reducing the noise of the switch lock, and simultaneously being more energy-saving.

Preferably, the peripheral wall of the lower shell is provided with a chute, and the chute adopts an inclined plane design to be clamped and installed with a positioning column for installing the target product.

Preferably, the outer peripheral wall of the lower shell is further provided with a handle groove, and the handle groove is used for extending fingers so as to facilitate the lock body to be detached from the installation target product.

Preferably, a wire outlet tail clamp is arranged on the lower shell at the opposite side of the lock rod and used for penetrating wires into the lower shell to be electrically connected with the circuit board, and sealing penetrating is realized.

The beneficial effects are that:

By adopting the technical scheme, the intelligent lock simplifies the gear part, is compact and simple in whole, has good stability, is easy to assemble and disassemble, can identify any position of the lock tongue, and can judge the opening and closing state of the lock body. The gear area of the lock tongue is U-shaped, the accurate limit of the switch lock position can be formed, a spring is added between the motor and the shell to be used for preventing the motor from blocking, the gear at the tail end of the lock tongue is properly reduced in height, the positions close to the two ends are changed into arc transition by the straight edges of the standard gear, the abrasion between the motor gear and the gear of the lock tongue can be reduced when the motor slides, the service life of a product is prolonged, waterproof pads at the positions of mounting screws and waterproof grooves at the joints of the upper shell and the lower shell and grooves at the positions of the tail clamp and the shell are combined, and the waterproof lubricating oil of the lock tongue and the sealing glue filling of the main board are subjected to multiple waterproof designs, so that the whole lock body is good in waterproof performance. Therefore, the intelligent lock can be effectively applied to the scenes of the shared electric bicycle, the scene locking helmets of scenic spot construction sites, mines and other matched safety articles.

Drawings

In order to more clearly illustrate the embodiments of the present utility model and the advantages of the present utility model, the following description will briefly explain the embodiments or the drawings used in the description of the prior art, and it is apparent that the drawings in the following description are only some embodiments of the present utility model and that other structures may be obtained according to the structures shown in these drawings without inventive effort to those skilled in the art.

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model with the upper case removed.

Fig. 3 is a schematic structural view of the locking tongue with the U-shaped groove locking rod of the present utility model.

Fig. 4 is a schematic structural view of the upper case of the present utility model.

Fig. 5 is a schematic structural view of the lower housing of the present utility model.

The reference numerals indicate that the upper shell-1, the lower shell-2, the gear motor-3, the lock rod lock tongue-4 with the U-shaped groove, the circuit board-5, the wire outlet tail clamp-6, the first gear-7, the second gear-8, the bolt-9, the waterproof gasket-10, the fixing seat-11, the arc transition surface-12, the first groove-13, the second groove-14, the third groove-15, the magnet-16, the Hall switch-17, the chute-18 and the buckle groove-19.

Detailed Description

Specific examples of the utility model:

Referring to fig. 1, 2, 3, 4 and 5, the intelligent lock of the present embodiment includes an upper housing 1, a lower housing 2, a gear motor 3, a lock tongue 4 with a U-shaped slot, a circuit board 5 and a wire rod plug 6, the upper housing and the lower housing are assembled into a housing with a closed space through a concave-convex interface, and the gear motor 3, the lock tongue 4 with a U-shaped slot, the circuit board 5 and the wire rod plug 6 are disposed on the housing.

Specifically, the lock tongue 4 of the lock rod with the U-shaped groove is a main component of a lock body lock tongue assembly, a first gear 7 is arranged in the U-shaped groove, and the lock tongue is movably arranged in the shell;

The gear motor 3 is a motor driving component of the lock body, the output end of the gear motor is provided with a second gear 8 meshed with the first gear, the gear motor converts rotary motion into reciprocating horizontal linear motion for driving the lock tongue through a gear pair, and the top of the gear motor is provided with an elastic component.

The upper shell is provided with a through hole, a waterproof gasket is arranged at the through hole, and the bolt 9 penetrates through the waterproof gasket 10 and is fixed with the lower shell.

In this embodiment, the elastic member is a telescopic spring, one end of the spring is fixed in the fixed seat 11 of the upper housing, the other end of the spring is abutted to the top of the gear motor, the common fixed installation of the motor is changed into vertical sliding in a certain stroke range, and when the lock tongue moves to the end of the switch lock, the motor is jacked up because the plastic thickness of two ends of the lock tongue is higher than the lowest position of the gear part, so that sliding teeth are generated on the slope sliding surfaces of the two ends of the motor, and therefore, the locked rotation is avoided.

In this embodiment, the heights of the teeth at the two ends of the first gear are smaller than the heights of the teeth of the middle gear, and are connected with the two side walls through the arc transition surfaces 12.

The embodiment sets up first groove 13, second groove 14, third groove 15 in the lower casing, and first groove is used for holding gear motor with gear motor cooperation, and the perpendicular first groove in second groove sets up and is used for holding taking U type groove locking lever spring bolt, and the spring bolt stretches out from lower casing wall, the third groove sets up in the adjacent side in second groove for hold the circuit board.

The magnet 16 is arranged at the tail end of the lock tongue with the U-shaped groove and corresponds to the Hall switch 17 arranged on the circuit board, the Hall switch can sense the magnet, and can be used for positioning and monitoring any position of the lock tongue in the whole switch stroke, so that on one hand, the problem caused by various scenes in the mass production and use process of products can be checked, and on the other hand, the starting time of a motor can be optimally controlled by monitoring the position of the lock tongue in real time, thereby realizing the power-off control before limit sliding teeth are not generated between the lock tongue and the shell, further reducing the noise of the switch lock, and simultaneously being more energy-saving.

In this embodiment, the outer peripheral wall of the lower housing is provided with a chute 18, and an inclined plane design is adopted in the chute to be mounted in a clamping manner with a positioning column for mounting the target product.

The outer peripheral wall of the lower housing is further provided with a handle groove 19 for extending fingers into the lower housing to facilitate the detachment of the lock body from the installation target product.

The lower shell on the opposite side of the lock rod of the embodiment is provided with an outgoing tail clamp 6 for wire penetration and electrical connection with the circuit board, and sealing penetration is realized.

The helmet is locked in the basket through the intelligent lock, the helmet is dormant, the lock is powered by a vehicle body and works all the time until an unlocking signal of the controller is received, the lock plate drives the gear motor to rotate, therefore, the gear of the U-shaped lock tongue is driven by the gear of the gear motor to slide into the lock, after the gear slides to a certain position, the position of the lock tongue is about to be reached through the linear Hall corresponding to the magnet of the lock tongue, at the moment, the rotation of the motor is stopped to complete unlocking action, at the moment, bluetooth data after the helmet is taken out is received, the wearing state of the helmet is synchronized, the state of the helmet and the lock is sent to the controller through a serial port or 485, after riding is completed, the helmet is put into the basket, after the magnet signal at the corresponding position on the helmet is recognized by the switch Hall in the lock, the locking action is automatically executed, and a locking result is synchronized to the controller (two Hall devices can be arranged on the main board, one Hall device is used for sensing whether the lock tongue position is reached, and the switch Hall is used for sensing whether the helmet is put into the basket or not completely, if the helmet is put into place, the lock tongue is rotated in the middle position, the lock tongue can be recognized and then returned to the unlocking position after the lock tongue is detected through the detection through the conversion current.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. A smart lock, comprising: a housing;

A lock tongue assembly, the lock tongue assembly comprising a lock tongue with a U-shaped groove, a first gear is arranged in the U-shaped groove, and the lock tongue is movably arranged in the housing;

The electric drive assembly includes a reduction motor, the output end of the reduction motor is provided with a second gear meshing with the first gear, the reduction motor converts the rotational motion into reciprocating horizontal linear motion of the lock tongue through the gear pair, and an elastic component is provided on the top of the reduction motor.

2. A smart lock according to claim 1, characterized in that the shell includes an upper shell and a lower shell, the upper shell has a through hole, a waterproof gasket is arranged at the through hole, and bolts pass through the waterproof gasket and the lower shell to fix it.

3. A smart lock according to claim 1, characterized in that the elastic component is a telescopic spring, one end of the spring is fixed to the upper shell, and the other end of the spring abuts against the top of the reduction motor.

4. A smart lock according to claim 3, characterized in that the height of the gear teeth at both ends of the first gear is smaller than the height of the middle gear teeth, and is connected to the two side walls through an arc transition surface.

5. A smart lock according to claim 2, characterized in that a first groove, a second groove and a third groove are arranged in the lower shell body, the first groove cooperates with the reduction motor to accommodate the reduction motor, the second groove is arranged perpendicular to the first groove to accommodate a lock tongue of a lock rod with a U-shaped groove, and the lock tongue extends from the wall of the lower shell body, and the third groove is arranged on the adjacent side of the second groove to accommodate a circuit board.

6. A smart lock according to claim 5, characterized in that a magnet is provided at the end of the lock tongue of the lock rod with a U-shaped groove, corresponding to a Hall switch provided on a circuit board, and the Hall switch can sense the magnet.

7. A smart lock according to claim 6, characterized in that a slide groove is provided on the outer peripheral wall of the lower shell body, and the inner wall of the slide groove is designed as an inclined surface.

8. A smart lock according to claim 7, characterized in that a hand-grip groove is also provided on the outer peripheral wall of the lower shell.

9. A smart lock according to claim 7, characterized in that a wire outlet tail card is provided on the lower shell body on the opposite side of the lock rod.