Quick-release structure for battery module and flashlight comprising quick-release structure for battery module
By combining the quick-release battery module structure with the TYPE-C charging interface, the problems of inconvenient battery replacement and separate charging in flashlight charging devices are solved, enabling quick disassembly and separate charging and improving ease of use.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- HUANIC CORPORATION
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-30
AI Technical Summary
Existing flashlight charging devices do not allow for quick battery replacement, and the charging circuit is separate from the battery, making it impossible to charge independently, which reduces the convenience and versatility of use.
A quick-release battery module structure was designed, including a limiting slot and a locking component. The battery module can be quickly locked and unlocked by a wrench, and it supports independent charging in conjunction with a TYPE-C charging interface.
It enables quick installation and removal of the power supply and individual charging, improving the flexibility and convenience of use.
Smart Images

Figure CN2025106033_30072026_PF_FP_ABST
Abstract
Description
A quick-release battery module structure and a flashlight containing the quick-release battery module structure Technical Field
[0001] This invention belongs to the field of lighting technology, specifically relating to a quick-release battery module structure and a flashlight containing the quick-release battery module structure. Background Technology
[0002] To facilitate use and achieve longer battery life, Chinese invention patent CN202023029190X discloses a charging device for flashlights. This device, by incorporating a rechargeable battery compartment, a flashlight storage compartment, and charging / discharging components within the casing, enables timely charging of the flashlight, thus meeting the requirement for long battery life. However, this device cannot effectively protect the flashlight, inevitably leading to squeezing and accidental contact during use or transport. To address this, Chinese invention patent CN2020221379752 discloses a rechargeable portable lighting device storage box. By creating an inner cavity within the box and incorporating a magnetic charging device within that cavity, it achieves effective protection and stable, reliable charging of the flashlight. This eliminates the need for a separate charger, integrating the storage box and magnetic charger into one unit, facilitating outdoor use and effectively preventing accidental contact and squeezing of the flashlight during transport.
[0003] However, both of these flashlight charging devices share the same drawbacks: they use a traditional battery compartment structure for battery installation, requiring the battery compartment cover to be unscrewed for replacement, which is not quick and does not allow for rapid battery removal and installation. Furthermore, the charging circuit is separate from the battery, making it impossible to charge the battery independently when disconnected. In reality, both of these flashlight charging devices require removal and a dedicated charging interface or charger, significantly reducing their versatility and ease of use. Summary of the Invention
[0004] The purpose of this invention is to provide a quick-release structure for rapidly assembling and disassembling battery modules, while using independently rechargeable battery modules as power sources, thereby enabling rapid power supply replacement and independent power sources that can be charged separately.
[0005] To achieve the above objectives, the present invention provides a quick-release structure for a battery module, which is characterized by including a battery module and a battery module assembly compartment. A limiting slot is provided on the front side of the battery module, and a locking component is provided on the battery module assembly compartment to cooperate with the limiting slot to lock or unlock the battery module.
[0006] Furthermore, the battery module assembly compartment is a horizontally open space, including a rear compartment wall and a front compartment wall arranged opposite each other, and a longitudinal bottom plate connecting the bottom ends of the rear compartment wall and the front compartment wall.
[0007] The locking assembly includes a wrench with one end hinged to the top end face of the front compartment wall. The hinged end of the wrench is provided with a wrench holder, which is used to slide into or out of the limiting slot when the wrench swings left and right parallel to the top end face of the front compartment wall, thereby locking or unlocking the battery module.
[0008] Furthermore, a groove is provided on the top end face of the front compartment wall, and a vertical pivot is provided on the hinge end of the wrench component, which is inserted into the insertion hole at the tail end of the groove.
[0009] A transverse groove is formed on the front compartment wall, and the transverse groove communicates with the insertion hole;
[0010] A pin passes through the transverse groove and is mounted on the rotating shaft to limit the vertical movement of the wrench, so that the wrench swings only within the groove.
[0011] Furthermore, the circumferential sidewall of the groove is provided with at least a locking groove, a left unlocking groove and a right unlocking groove located to the left and right of the locking groove;
[0012] The wrench has an axial channel extending from its free end to the hinge end. A helical return spring is installed in the axial channel, and a steel ball is inserted at the entrance of the axial channel. When the wrench swings left and right, the steel ball presses against the circumferential sidewall of the groove and, under the elastic force of the helical return spring, moves in and out of the locking groove, the left unlocking groove, or the right unlocking groove, thereby restricting the wrench to the locked or unlocked position, and thus achieving the locking or unlocking of the battery module.
[0013] Furthermore, the battery module and the rear compartment wall are in the same shape, and the rear compartment wall is composed of a central vertical surface and symmetrical side surfaces arranged on both sides of the vertical surface.
[0014] Furthermore, a TYPE-C charging port is provided at the rear end of the battery module.
[0015] Furthermore, a flashlight with the aforementioned quick-release battery module structure is provided, including a main body, with the battery module assembly compartment integrated with the main body and located at the rear end of the main body.
[0016] Furthermore, the bottom surface of the main body is equipped with guide rails for mounting.
[0017] Furthermore, a rear positioning surface matching the side straight surface is provided on each side of the rear end face of the battery module;
[0018] The front end of the battery module is provided with a front positioning surface on each side, which matches the limiting surface on both sides of the rear end of the front compartment wall.
[0019] The advantages of this invention are: it enables quick assembly and disassembly of the power supply, especially the ability to charge independently, and it can be equipped with at least two power modules, greatly improving the flexibility and convenience of use. Attached Figure Description
[0020] Figure 1 is a schematic diagram of the disassembly of a quick-release battery module assembly onto a flashlight.
[0021] Figure 2 is a schematic diagram of the disassembly of a quick-release battery module assembly onto a flashlight.
[0022] Figure 3 is a schematic diagram of the battery module.
[0023] Figure 4 is a schematic diagram of a flashlight with a quick-release structure for assembling a battery module.
[0024] Figure 5 is a schematic diagram of the guide rail mounting on the bottom surface of the flashlight body.
[0025] Explanation of reference numerals in the attached drawings: 1. Battery module; 2. Battery module assembly compartment; 3. Limiting slot; 4. Rear compartment wall; 5. Front compartment wall; 6. Longitudinal base plate; 7. Wrench piece; 8. Wrench holder; 9. Groove; 10. Vertical pivot; 11. Insertion hole; 12. Transverse groove; 13. Pin; 14. Locking groove; 15. Left unlocking groove; 16. Right unlocking groove; 17. Axial channel; 18. Helical return spring; 19. Steel ball; 20. Vertical surface; 21. Side surface; 22. TYPE-C charging interface; 23. Charging port protective cover; 24. Main body; 25. Guide rail mounting; 26. Rear positioning surface; 27. Front positioning surface; 28. Limiting surface. Detailed Implementation
[0026] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below with reference to the accompanying drawings and embodiments.
[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0028] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "aligned", "overlapping", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.
[0029] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of this invention, unless otherwise stated, "a plurality of" means two or more.
[0030] To achieve quick assembly and disassembly of the power supply, and to provide a replaceable, independently charging power supply, thereby improving the flexibility and ease of use, this embodiment provides a quick-release structure for a battery module, including a battery module 1 and a battery module assembly compartment 2 as shown in Figure 1. A limiting slot 3 is provided on the front side of the battery module 1. The battery module assembly compartment 2 is provided with a locking component that cooperates with the limiting slot 3 to lock or unlock the battery module 1. As clearly seen in Figure 1, the battery module assembly compartment 2 is a horizontally open space, including a rear compartment wall 4 and a front compartment wall 5 arranged opposite each other, and a longitudinal base plate 6 connecting the bottom ends of the rear compartment wall 4 and the front compartment wall 5. The locking component includes a wrench 7 with one end hinged to the top end face of the front compartment wall 5. A wrench latch 8 is provided at the hinged end of the wrench 7, which slides into or out of the limiting slot 3 when the wrench 7 swings left and right parallel to the top end face of the front compartment wall 5, thereby locking or unlocking the battery module 1.
[0031] The specific implementation structure is as follows:
[0032] A groove 9 as shown in Figure 2 is provided on the top end face of the front compartment wall 5. A vertical rotating shaft 10 (a rotating shaft perpendicular to the wrench 7) is provided on the hinge end of the wrench 7, i.e., the right end shown in Figure 2. The vertical rotating shaft 10 is inserted into the insertion hole 11 at the tail end of the groove 9. A transverse groove 12 as shown in Figure 1 is provided on the front compartment wall 5. The transverse groove 12 communicates with the insertion hole 11. A pin 13 passes through the transverse groove 12 and is mounted on the rotating shaft 10 to limit the vertical movement of the wrench 7, so that the wrench 7 swings only within the groove 9. The bottom surface of the wrench holder 8 is fitted with the top surface of the groove 9 with a clearance fit. The most important thing is that its height must match the limiting slot 3 on the battery module 1 to satisfy the requirement that the wrench holder 8 can be inserted into the limiting slot 3. Under this premise, the specific value of the clearance between the bottom surface of the wrench holder 8 and the top surface of the groove 9 can be set according to the design requirements.
[0033] The circumferential sidewall of the groove 9 is provided with at least a locking groove 14 as shown in Figure 1, and a left release locking groove 15 and a right release locking groove 16 located to the left and right of the locking groove 14, respectively. Thus, when the free end of the wrench 7, i.e., the right end as shown in Figure 1 or Figure 2, is located within the locking groove 14, the wrench holder 8 is inserted into the limiting groove 3, preventing the battery module 1 from being pulled out. When the free end of the wrench 7 is located within the left release locking groove 15 or the right release locking groove 16, the wrench holder 8 is located outside the limiting groove 3, releasing the restriction on the battery module 1, allowing manual removal of the battery module 1. This is much more convenient than the traditional threaded connection of the battery cover.
[0034] To facilitate the switching between the aforementioned different positions, this embodiment provides an axial channel 17 extending from its free end to the hinge end on the wrench component 7 shown in Figure 2. A helical return spring 18 is installed in the axial channel 17, and a steel ball 19 is inserted at the entrance of the axial channel 17. When the wrench component 7 swings left and right, the steel ball 19 presses against the circumferential sidewall of the groove 9 and, under the elastic force of the helical return spring 18, moves in and out of the locking groove 14, the left unlocking groove 15, or the right unlocking groove 16 (i.e., to achieve the switching between different positions and to lock or unlock the power module 1), thereby restricting the wrench component 7 to the locked or unlocked position, and thus achieving the locking or unlocking of the battery module 1.
[0035] As shown in Figure 2, the battery module 1 and the rear compartment wall 4 have matching shapes. The rear compartment wall 4 is composed of a central vertical surface 20 and symmetrically arranged side surfaces 21 on both sides of the vertical surface 20. The angle between the vertical surface 20 and the side surfaces 21 is greater than 90° and less than 180°. Furthermore, in order to improve the stability of the mounting, a rear positioning surface 26 matching the side surface 21 is provided on each side of the rear end face of the battery module 1 provided in this embodiment; at the same time, a front positioning surface 27 matching the limiting surfaces 28 on both sides of the rear end face of the front compartment wall 5 is provided on each side of the front end face of the battery module 1. The lateral positioning of the battery module 1 is achieved through the matching side surfaces 21 and rear positioning surfaces 26, and the matching front positioning surfaces 27 and limiting surfaces 28.
[0036] Of course, the battery module 1 is equipped with a TYPE-C charging interface 22 as shown in Figure 3 at its tail end, which is compatible with current charging technology and improves the convenience of charging.
[0037] Finally, this embodiment provides a flashlight with the quick-release battery module structure shown in Figure 4, including a main body 24. The battery module assembly compartment 2 is integrally formed with the main body 24 and located at the rear end of the main body 24, having the same top surface as the main body. Whether installing or replacing the battery module 1, the quick-release mounting structure, i.e., the locking component, provided in the aforementioned embodiment can be used to quickly lock or release the power module, making operation convenient. Furthermore, the power module 1 can be charged independently via an external USB port; it can be removed for charging as needed, or charged without removal. Finally, the bottom surface of the main body 24 is provided with a guide rail clip 25 as shown in Figure 5, which can be used for mounting with guide rails on firearms.
Claims
1. A quick-release structure for a battery module, characterized in that: It includes a battery module (1) and a battery module assembly compartment (2). A limiting slot (3) is provided on the front side of the battery module (1). The battery module assembly compartment (2) is provided with a locking component that cooperates with the limiting slot (3) to lock or unlock the battery module (1).
2. The quick-release structure for the battery module according to claim 1, characterized in that: The battery module assembly compartment (2) is an open space that runs horizontally through, including a rear compartment wall (4) and a front compartment wall (5) arranged opposite to each other, and a longitudinal bottom plate (6) connected between the bottom ends of the rear compartment wall (4) and the front compartment wall (5). The locking assembly includes a wrench (7) with one end hinged to the top end face of the front compartment wall (5). The hinged end of the wrench (7) is provided with a wrench holder (8) for sliding into or out of the limiting slot (3) when the wrench (7) swings left and right parallel to the top end face of the front compartment wall (5), thereby locking or unlocking the battery module (1).
3. The quick-release structure for the battery module according to claim 2, characterized in that: A groove (9) is provided on the top end face of the front compartment wall (5), and a vertical pivot (10) is provided on the hinge end of the wrench (7). The vertical pivot (10) is inserted into the insertion hole (11) at the tail end of the groove (9). A transverse groove (12) is provided on the front compartment wall (5), and the transverse groove (12) communicates with the insertion hole (11); A pin (13) passes through the transverse groove (12) and is mounted on the rotating shaft (10) to limit the vertical movement of the wrench (7), so that the wrench (7) swings only within the groove (9).
4. The quick-release structure for the battery module according to claim 3, characterized in that: At least a locking groove (14), a left unlocking groove (15), and a right unlocking groove (16) are provided on the circumferential sidewall of the groove (9). The wrench (7) is provided with an axial channel (17) extending from its free end to the hinge end. A helical return spring (18) is installed in the axial channel (17). A steel ball (19) is inserted at the entrance of the axial channel (17). When the wrench (7) swings left and right, the steel ball (19) presses against the circumferential sidewall of the groove (9) and, under the elastic force of the helical return spring (18), enters or exits from the locking groove (14), the left unlocking groove (15), or the right unlocking groove (16), thereby restricting the wrench (7) to the locked position or the unlocked position, and thus achieving the locking or unlocking of the battery module (1).
5. The quick-release structure for a battery module according to claim 1, 2, 3, or 4, characterized in that: The battery module (1) and the rear compartment wall (4) are in the same shape. The rear compartment wall (4) is composed of a central vertical surface (20) and side surfaces (21) symmetrically arranged on both sides of the vertical surface (20).
6. The quick-release structure for a battery module according to any one of claims 1, 2, 3, 4, or 5, characterized in that: The battery module (1) is provided with a TYPE-C charging interface (22) at its tail end.
7. A flashlight comprising a quick-release battery module structure as described in claim 1, 2, 3, 4, or 5, comprising a body (24), characterized in that: The battery module assembly compartment (2) is integrally formed with the main body (24) and is located at the tail end of the main body (24).
8. The quick-release structure for the battery module according to claim 5, characterized in that: The battery module (1) has a rear positioning surface (26) on each side of its rear end face that matches the side straight surface (21); On each side of the front end face of the battery module (1), a front positioning surface (27) is provided that matches the limiting surface (28) on both sides of the rear end face of the front compartment wall (5).