Battery lock
By designing a convenient battery lock structure, utilizing a slanted locking tongue and an electronic lock, the problem of poor anti-theft function of electric bicycle battery locks has been solved, achieving convenient disassembly and assembly, improved anti-theft function, and reduced damage risk and resource waste.
Patent Information
- Application Number
- CN202520632276.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-05-22
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-07
AI Technical Summary
The existing electric bicycle battery locks have poor anti-theft function, are easily damaged, and need to be replaced when changing the battery, resulting in resource waste and a poor user experience.
A battery lock comprising a housing, mounting bracket, spring, inner lock housing, and transmission device was designed. It utilizes a slanted latch and electronic lock structure to enable convenient locking and removal of the battery. Combined with a Hall sensor to provide feedback on the lock status, it enhances the anti-theft function.
It enables convenient installation and removal of battery locks, reduces the risk of damage, enhances anti-theft performance, reduces costs, and improves user experience.
Smart Images

Figure CN223850728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electric bicycle, especially a battery lock. BACKGROUND
[0002] Electric bicycle, generally refers to the adoption battery drive motor provides the bicycle of helping of riding function, also called electric power-assisted bicycle, E-bike etc. Since battery on the car belongs to important component, therefore need to set up the battery lock of theftproof, the traditional mechanical battery lock theftproof function of existing for electric bicycle industry is poor, easy to damage, and the traditional battery lock is generally installed on the battery, needs to change together when changing the battery, easy to cause resource waste. SUMMARY
[0003] In view of the defects of the existing battery lock, the technical problem to be solved by the utility model is to provide a battery lock convenient to disassemble and assemble.
[0004] In order to realize the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized through the following technical measures: a battery lock, comprising: a shell, the shell side is fixed with mounting bracket, the mounting bracket is fixed on the frame, the battery shell is equipped with the spring piece, the shell is equipped with the lock inner shell, the lock inner shell is equipped with the transmission device, the transmission device is equipped with the lock tongue block, the lock tongue block side is equipped with the lock tongue, the lock tongue one end is equipped with the lock tongue bevel, the lock tongue is inserted with the spring piece, the transmission device drives the lock tongue block lock tongue moves.
[0005] Further, the mounting bracket and the frame are fixedly connected through bolts, the shell and the mounting bracket are equipped with the lock tongue hole, the lock tongue of the lock tongue block is inserted with the spring piece through the lock tongue hole of the shell and the mounting bracket in turn, the spring piece is equipped with the fixed bolt hole, the fixed bolt is fixed on the battery shell through the fixed bolt hole, the shell and the mounting bracket are fixedly connected through bolts.
[0006] Further, the lock inner shell is assembled by lock inner shell I, lock inner shell II adopts ultrasonic welding, the lock inner shell I and lock inner shell II are equipped with motor limiting strips, the motor limiting strips of the lock inner shell I and lock inner shell II form fixed space, the lock inner shell is equipped with gear group bolt hole.
[0007] Further, the transmission device includes a motor, the motor is arranged in a fixed space formed by a motor limiting strip, the motor limiting strip limits the movement of the motor, the motor is connected with a worm, a gear set is inserted into a bolt hole of the gear set, a bottom end of the gear set is a worm wheel, the worm wheel is engaged with the worm connected with the motor, a gear at a top end of the gear set is connected with a rack block, two spring buckles are arranged at a top end of the rack block, a spring is inserted between the spring buckles, an upper U-shaped groove and a lower U-shaped groove are arranged in a middle section of the rack block, and a rack is arranged at a bottom end of the rack block and engaged with the gear at the top end of the gear set.
[0008] Further, the lock inner shell I is provided with two clamping pieces, and a Hall inductor is inserted between the clamping pieces.
[0009] Further, the lock inner shell II is externally provided with a sliding rail, the lower U-shaped groove of the rack block is connected with the sliding rail of the lock inner shell II, the rack block can be displaced along the length direction of the sliding rail, a lock tongue block is slidably connected to the upper U-shaped groove, a magnet is arranged at a bottom end of the lock tongue block and corresponds to the Hall inductor.
[0010] Further, the lock tongue block is provided with a sliding groove, the upper U-shaped groove of the rack block is inserted into the sliding groove of the lock tongue block and can slide relative to the sliding groove, a spring placing cavity is formed in the lock tongue block, and the spring of the rack block is arranged in the spring placing cavity of the lock tongue block.
[0011] Compared with the prior art, the battery lock structure has the advantages that the spring piece is designed to be connected with the inclined opening of the lock tongue, the electronic lock can be placed with a battery from the outside into the frame in the locked state, the lock is convenient to lock and prevent the battery from falling out and being damaged, the electronic lock is used and can be installed in the inside of the pipe, the lock is small and low in cost, the lock body is difficult to be damaged from the outside in the locked state, the anti-theft function is enhanced, the electronic lock is convenient to disassemble and assemble, the Hall inductor is used to feed back the on-off state of the electronic lock, and the signal feedback is convenient to check and manage. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and are used to interpret the specific embodiments of the present application and the description thereof, and do not constitute an improper limitation to the present application. In the drawings:
[0013] Figure 1 A battery lock structure schematic view is provided.
[0014] Figure 2 A battery lock explosion schematic view is provided.
[0015] Figure 3 A transmission device explosion schematic view is provided.
[0016] Figure 4 AFigure 3 Figure 3 is a partial enlarged view of the gear set and the worm.
[0017] BRIEF DESCRIPTION OF DRAWINGS 1, housing; 2, lock inner shell; 3, transmission device; 4, lock inner shell II; 5, motor limiting strip; 6, gear set bolt hole; 7, sliding rail; 8, motor; 9, worm; 10, gear set; 11, rack block; 12, sliding groove; 13, lock tongue block; 14, elastic sheet; 15, fixed bolt hole; 16, lock tongue; 17, lock tongue bevel; 18, lock tongue hole; 19, mounting bracket; 20, card; 21, battery housing; 22, lock inner shell I; 23, spring; 24, spring placement cavity; 25, spring buckle; 26, rack; 27, Hall inductor; 28, upper U-shaped groove; 29, lower U-shaped groove; 30, bottom double-layer gear; 31, middle double-layer gear; 32, pinion; 33, worm wheel. DETAILED DESCRIPTION
[0018] Hereinafter, the present application will be described in detail with reference to the accompanying drawings and embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0019] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0020] Please refer to Figure 1 , Figure 2 , Figure 3 The battery lock provided in the embodiment comprises a housing 1, one side of the housing 1 is fixed with a mounting bracket 19, the mounting bracket 19 is fixed on a vehicle frame, an elastic sheet 14 is arranged in a battery housing 21, a lock inner shell 2 is arranged in the housing 1, a transmission device 3 is arranged in the lock inner shell 2, a lock tongue block 13 is arranged on the transmission device 3, a lock tongue 16 is arranged on one side of the lock tongue block 13, a lock tongue bevel 17 is arranged at one end of the lock tongue 16, the lock tongue 16 is inserted with the elastic sheet 14, and the transmission device 3 drives the lock tongue 16 of the lock tongue block 13 to move.
[0021] The mounting bracket 19 is fixedly connected with the frame by bolts, the shell 1 and the mounting bracket 19 are both provided with lock tongue holes 18, the lock tongues 16 of the lock tongue blocks 13 are inserted into the lock tongue holes 18 of the shell 1 and the mounting bracket 19 in sequence and then are inserted into the elastic sheets 14, the elastic sheets 14 are provided with fixing bolt holes 15, the fixing bolts are inserted into the fixing bolt holes 15 to fix the elastic sheets 14 on the battery shell 21, and the shell 1 and the mounting bracket 19 are fixedly connected by bolts.
[0022] The lock inner shell 2 is assembled by the lock inner shell I 22 and the lock inner shell II 4 through ultrasonic welding, the lock inner shell I 22 and the lock inner shell II 4 are provided with motor limiting strips 5, the motor limiting strips 5 of the lock inner shell I 22 and the lock inner shell II 4 form a fixed space, and the lock inner shell 2 is provided with gear set bolt holes 6.
[0023] As shown in Figure 3 The transmission device 3 comprises a motor 8, the motor 8 is arranged in the fixed space formed by the motor limiting strips 5, the motor limiting strips 5 limit the movement of the motor 8, the motor 8 is connected with a worm 9, the worm 9 is a circular arc tooth cylindrical worm, the gear set bolt holes 6 are inserted into and fixed with a gear set 10, preferably, as shown in Figure 4 The gear set 10 is fixed by three double-layer gears, wherein one end of the double-layer gear 30 at the bottom is a pinion 32, the other end is a worm wheel 33, the pinion 32 is engaged with one gear of the double-layer gear 31 in the middle, the worm wheel 33 is engaged with the worm 9, the gear at the top of the gear set 10 is connected with a rack block 11, the top of the rack block 11 is provided with two spring buckles 25, the spring 23 is inserted between the spring buckles 25, the middle of the rack block 11 is provided with an upper U-shaped groove 28 and a lower U-shaped groove 29, and the bottom of the rack block 11 is provided with a rack 26, the rack 26 is engaged with the gear at the top of the gear set 10.
[0024] The lock inner shell I 22 is provided with two card pieces 20, and the card pieces 20 are inserted with a Hall inductor 27.
[0025] The lock inner shell II 4 is provided with a sliding rail 7, the lower U-shaped groove 29 of the rack block 11 is connected with the sliding rail 7 of the lock inner shell II 4, the rack block 11 can be displaced along the length direction of the sliding rail 7, the upper U-shaped groove 28 is slidingly connected with a lock tongue block 13, the bottom of the lock tongue block 13 is provided with a magnet, and the position of the magnet corresponds to the Hall inductor 27.
[0026] The lock tongue block 13 is provided with a sliding groove 12, the upper U-shaped groove 28 of the rack block 11 is inserted into and can slide relative to the sliding groove 12 of the lock tongue block 13, the lock tongue block 13 is provided with a spring placing cavity 24, and the spring 23 of the rack block 11 is arranged in the spring placing cavity 24 of the lock tongue block 13.
[0027] The utility model discloses a battery lock opens the lock, and the motor 8 receives the lock signal and drives the gear set 10 rotation, moves the rack block 11 after the gear set 10 deceleration, and spring 23 pushes the lock tongue block 13 to move to reach the lock effect, and the specific, when the motor drives the worm 9 rotation, the worm 9 drives the turbine 33 rotation with it and engages, to drive pinion 32 rotation, and then through the double layer gear 31 of middle drive the gear rotation of upper side, and drive rack block 11 and lock tongue block 13 move.
[0028] When locking, the motor 8 receives the lock signal and reverses, can reach the lock effect, if needing to put into the battery when locking, the spring 14 on the battery shell 21 slant face pushes the slant face of lock tongue 16, makes lock tongue block 13 move, lock tongue block 13 pushes spring 23 compression, but cannot push rack block 11 move, after spring 23 compression, lock tongue 16 is retracted in the lock shell, after spring 14 slant face passes through lock tongue 16, lock tongue 16 is retracted under the action of spring 23, locks spring 14, and then locks the battery.
[0029] The above only for the preferred embodiment of the utility model has been, and does not limit the utility model, for the skilled person in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made in the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A battery lock comprising: The shell is fixed with a mounting bracket on one side, characterized in that the mounting bracket is fixed on a vehicle frame, the shell is provided with an elastic sheet, the shell is provided with a lock inner shell, the lock inner shell is provided with a transmission device, the transmission device is provided with a lock tongue block, the lock tongue block is provided with a lock tongue on one side, the lock tongue is provided with a lock tongue inclined port at one end, the lock tongue is inserted with the elastic sheet, and the transmission device drives the lock tongue block to move.
2. A battery lock according to claim 1, characterized in that: The mounting bracket and the vehicle frame are fixedly connected through bolts, the shell and the mounting bracket are both provided with lock tongue holes, the lock tongue of the lock tongue block is inserted with the elastic sheet through the lock tongue holes of the shell and the mounting bracket in sequence, the elastic sheet is provided with a fixing bolt hole, a fixing bolt is arranged through the fixing bolt hole to fix the elastic sheet on the shell, and the shell and the mounting bracket are fixedly connected through bolts.
3. The battery lock of claim 1, wherein: The lock inner shell is assembled by a lock inner shell I and a lock inner shell II through ultrasonic welding, the lock inner shell I and the lock inner shell II are provided with motor limiting strips, the motor limiting strips of the lock inner shell I and the lock inner shell II form a fixed space, and the lock inner shell is provided with gear set bolt holes.
4. A battery lock according to claim 3, wherein: The transmission device comprises a motor, the motor is arranged in the fixed space formed by the motor limiting strips, the motor limiting strips limit the movement of the motor, the motor is connected with a worm, the gear set bolt holes are inserted with a gear set, the bottom end of the gear set is a worm wheel, the worm wheel is engaged with the worm connected with the motor, a rack block is connected with a gear at the top end of the gear set, two spring buckles are arranged at the top end of the rack block, a spring is inserted between the spring buckles, an upper U-shaped groove and a lower U-shaped groove are arranged in the middle section of the rack block, and a rack is arranged at the bottom end of the rack block and engaged with the gear at the top end of the gear set.
5. A battery lock according to claim 3, wherein: The lock inner shell I is provided with two clamping sheets, and a Hall inductor is inserted between the clamping sheets.
6. A battery lock according to claim 4, wherein: The lock inner shell II is provided with a sliding rail, the lower U-shaped groove of the rack block is connected with the sliding rail of the lock inner shell II, the rack block can be displaced along the length direction of the sliding rail, an upper U-shaped groove is slidingly connected with a lock tongue block, a magnet is arranged at the bottom end of the lock tongue block, and the magnet is located in correspondence with the Hall inductor.
7. A battery lock according to claim 6, wherein: The lock tongue block is provided with a sliding groove, the upper U-shaped groove of the rack block is inserted with the sliding groove of the lock tongue block and can slide relatively, a spring placing cavity is formed in the lock tongue block, and the spring of the rack block is arranged in the spring placing cavity of the lock tongue block.