A portable power source
By incorporating a winding box, winding wheels, lifting components, and casters into the outdoor power supply, the problem of low handling efficiency caused by increased power supply weight is solved, achieving both portable movement and stable placement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PINGJIANG FEITIANYING ELECTRONIC TECH CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-03
AI Technical Summary
Existing outdoor power supplies become inefficient to carry as their weight increases, leading to operator fatigue and making them inconvenient to carry over long distances.
The outdoor power supply body is equipped with grooves and a winding box, which, together with the winding wheel and torsion spring, enables automatic winding and unwinding of the lifting belt. It is equipped with a lifting component, casters, and support legs. The lifting and lowering of the casters is achieved by the positive and negative threaded rod in the drive box. It is also equipped with non-slip grip sleeves and carrying handles to improve the ease of operation.
It enables portable and stable placement of the power supply, reduces fatigue from manual handling, and improves ease of use and safety in different scenarios.
Smart Images

Figure CN224459342U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power supply technology, specifically to a portable power supply. Background Technology
[0002] With the increasing popularity of outdoor camping, self-driving tours, and field operations, the demand for outdoor power supplies as portable energy storage devices is growing.
[0003] Most existing outdoor power supplies use handles for easy carrying by hand or shoulder. However, as the power capacity increases, the weight often exceeds 10kg. When carrying them over long distances on flat surfaces (such as roads and sidewalks), relying solely on the handles requires a lot of manpower, which can easily lead to operator fatigue and low carrying efficiency.
[0004] Therefore, it is necessary to redesign and modify portable power supplies to effectively prevent them from becoming inconvenient to carry. Utility Model Content
[0005] To address the problems mentioned in the background section, the purpose of this invention is to provide a portable power supply with the advantage of portability.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a portable power supply, comprising an outdoor power supply body, a groove on the top of the outdoor power supply body, a winding box fixedly connected inside the groove, a winding wheel rotatably connected inside the winding box, torsion springs fixedly connected to the front and rear sides of the inner wall of the winding box, the end of the torsion spring away from the winding box being fixedly connected to the winding wheel, a lifting strap fixedly connected to the top of the outdoor power supply body, the end of the lifting strap away from the outdoor power supply body extending into the interior of the winding box and winding around the surface of the winding wheel, a lifting assembly provided below the outdoor power supply body, a movable plate provided below the outdoor power supply body, casters fixedly connected to all four sides of the bottom of the movable plate, and support legs fixedly connected to all four sides of the bottom of the outdoor power supply body.
[0007] In a preferred embodiment of this invention, the lifting assembly includes a drive box fixedly connected to the bottom of the outdoor power supply body. The bottom of the drive box is provided with a sliding groove, and sliders are slidably connected to both sides inside the sliding groove. A connecting rod is hinged to the bottom of the slider, and the end of the connecting rod away from the slider is hinged to the top of the movable plate. A threaded rod with positive and negative threads is rotatably connected inside the drive box. The threaded rod with positive and negative threads is threadedly connected to the slider. The right side of the threaded rod with positive and negative threads extends to the right side of the drive box and is fixedly connected to a rotating handle. Sleeves are fixedly connected to all four sides of the bottom of the outdoor power supply body. A movable rod is slidably connected inside the sleeve, and the bottom of the movable rod is fixedly connected to the top of the movable plate.
[0008] As a preferred embodiment of this utility model, a bearing is fixedly connected inside the drive box, and the outer ring of the bearing is fixedly connected to the drive box, while the inner ring of the bearing is fixedly connected to the threaded rod.
[0009] As a preferred embodiment of this invention, a protective cover is fixedly connected to the surface of the outdoor power supply body, and the lifting component is located inside the protective cover.
[0010] As a preferred embodiment of this invention, a grip sleeve is movably connected to the surface of the lifting strap, and the surface of the grip sleeve is provided with anti-slip protrusions.
[0011] As a preferred embodiment of this utility model, the outdoor power supply body has a carrying handle fixedly connected to both sides of the front and back top, and the surface of the carrying handle is provided with anti-slip texture, and the number of anti-slip textures is several.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model features a groove and a winding box on the top of the outdoor power supply unit. Combined with winding wheels and a torsion spring, it enables automatic winding and unwinding of the lifting strap. When not in use, the lifting strap can be stored in the winding box, preventing it from swaying and causing interference, thus maintaining a neat overall structure. Simultaneously, the lower lifting assembly, along with casters and support legs, allows for easy movement of the power supply over long distances by bringing the casters to the ground, reducing fatigue from manual handling. When fixed in place, the support legs ensure stability, balancing portability and stable placement. This significantly improves usability in various scenarios, making the device highly portable.
[0014] 2. This utility model utilizes the rotation of the positive and negative threaded rod within the drive box to drive the slider to slide within the groove, thereby causing the connecting rod to push the movable plate to achieve lifting and lowering. Operation is simple and convenient; simply rotating the handle switches between lifting and lowering the casters. The cooperation between the sleeve and the movable rod enhances stability during lifting and lowering, preventing the movable plate from wobbling or tilting during movement or lifting, ensuring smooth and reliable lifting action. This structural design allows the power supply to be easily moved on flat surfaces using the casters, improving the device's practicality. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a front sectional view of the protective cover structure of this utility model;
[0017] Figure 3 This is a bottom sectional view of the winding box structure of this utility model;
[0018] Figure 4This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.
[0019] In the diagram: 1. Outdoor power supply unit; 2. Rewind box; 3. Rewind wheel; 4. Torsion spring; 5. Lifting belt; 6. Lifting assembly; 7. Movable plate; 8. Casters; 9. Drive box; 10. Threaded rod (both positive and negative threads); 11. Slider; 12. Connecting rod; 13. Handle; 14. Sleeve; 15. Movable rod; 16. Outrigger; 17. Protective cover; 18. Grip sleeve; 19. Handle. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] like Figures 1 to 4 As shown, a portable power supply includes an outdoor power supply body 1. The top of the outdoor power supply body 1 has a groove, and a winding box 2 is fixedly connected inside the groove. A winding wheel 3 is rotatably connected inside the winding box 2. Torsion springs 4 are fixedly connected to the front and rear sides of the inner wall of the winding box 2. The end of the torsion spring 4 away from the winding box 2 is fixedly connected to the winding wheel 3. A lifting strap 5 is fixedly connected to the top of the outdoor power supply body 1. The end of the lifting strap 5 away from the outdoor power supply body 1 extends into the interior of the winding box 2 and wraps around the surface of the winding wheel 3. A lifting assembly 6 is provided below the outdoor power supply body 1. A movable plate 7 is provided below the outdoor power supply body 1. Universal wheels 8 are fixedly connected to all four sides of the bottom of the movable plate 7. Support legs 16 are fixedly connected to all four sides of the bottom of the outdoor power supply body 1. The outdoor power supply body 1 includes a charging socket, a discharging socket, a housing, a heat dissipation module, an energy storage module, and a control module, etc. The above-mentioned outdoor power supply body 1 is a common existing technology and is common knowledge to those skilled in the art; therefore, it will not be described in detail in this application.
[0022] refer to Figure 2The lifting assembly 6 includes a drive box 9 fixedly connected to the bottom of the outdoor power supply body 1. The bottom of the drive box 9 is provided with a slide groove, and sliders 11 are slidably connected to both sides inside the slide groove. A connecting rod 12 is hinged to the bottom of the slider 11. The end of the connecting rod 12 away from the slider 11 is hinged to the top of the movable plate 7. A threaded rod 10 is rotatably connected inside the drive box 9. The threaded rod 10 is threadedly connected to the slider 11. The right side of the threaded rod 10 extends to the right side of the drive box 9 and is fixedly connected to a handle 13. Sleeves 14 are fixedly connected to all four sides of the bottom of the outdoor power supply body 1. A movable rod 15 is slidably connected inside the sleeve 14. The bottom of the movable rod 15 is fixedly connected to the top of the movable plate 7.
[0023] As a technical optimization of this utility model, the rotation of the threaded rod 10 inside the drive housing 9 drives the slider 11 to slide within the groove, thereby causing the connecting rod 12 to push the movable plate 7 to rise and fall. Operation is simple and convenient; simply rotating the handle 13 is sufficient to switch the universal wheels 8 between rising and falling. The cooperation between the sleeve 14 and the movable rod 15 enhances stability during the lifting process, preventing the movable plate 7 from swaying or tilting during movement or lifting, ensuring smooth and reliable lifting action. This structural design allows the power supply to be easily moved on flat surfaces using the universal wheels 8, improving the practicality of the device.
[0024] refer to Figure 2 The drive box 9 has a bearing fixedly connected inside, and the outer ring of the bearing is fixedly connected to the drive box 9, while the inner ring of the bearing is fixedly connected to the threaded rod 10.
[0025] As a technical optimization of this utility model, the bearing inside the drive box 9 effectively reduces friction between the threaded rod 10 and the drive box 9 during rotation, making the rotation of the threaded rod smoother and less strenuous, reducing the force required to operate the handle 13, and making it easier for the user to switch the state of the universal wheel 8. At the same time, the bearing avoids direct wear between the threaded rod and the drive box 9, reducing component wear, extending the service life of the lifting assembly 6, and ensuring the stability and reliability of the device during long-term use.
[0026] refer to Figure 1 The outdoor power supply body 1 is fixedly connected to a protective cover 17, and the lifting component 6 is located inside the protective cover 17.
[0027] As a technical optimization of this utility model, the lifting component 6 is wrapped in the protective cover 17 on the surface of the outdoor power supply body 1, which can effectively prevent the lifting component 6 from being damaged by accidental collisions during transportation or use, thus protecting the lifting component 6, extending the overall service life of the device, and making it more adaptable to complex outdoor environmental conditions.
[0028] refer to Figure 4 The surface of the lifting strap 5 is movably connected to a grip sleeve 18, and the surface of the grip sleeve 18 is provided with anti-slip protrusions.
[0029] As a technical optimization of this utility model, the grip sleeve 18 on the surface of the lifting strap 5 provides users with a more comfortable grip, avoiding possible marks or discomfort when the hand directly contacts the lifting strap 5, thus improving comfort during the lifting process. The anti-slip protrusions on the surface of the grip sleeve 18 increase the friction between the hand and the grip sleeve 18, effectively preventing the power supply from slipping and falling off when lifting the power supply, ensuring safety during the lifting process. Even if the hands are sweaty or slightly dirty, a stable grip can be maintained, making it suitable for scenarios involving long-term or frequent lifting.
[0030] refer to Figure 1 The outdoor power supply body 1 has two fixed handles 19 on the front and back top sides. The surface of the handles 19 is provided with anti-slip texture, and the number of anti-slip textures is several.
[0031] As a technical optimization of this utility model, the carrying handles 19 on the front and top sides of the outdoor power supply body 1 provide more ways to handle the power supply. When the power supply is heavy, two people can hold the handles on both sides to carry it together, distributing the weight and reducing the burden on a single person. The anti-slip texture on the handle surface increases the friction between the hand and the handle, preventing the hand from slipping during carrying and improving the safety and stability of the carrying process. The reasonable handle position design also adapts to different carrying postures. Whether carried by hand or by two people working together, a comfortable and effortless point of leverage can be found, further enhancing the convenience of carrying the power supply.
[0032] The working principle and usage process of this utility model are as follows: When it is necessary to move the outdoor power supply, first check the status of the lifting component 6. If the universal wheel 8 is in the retracted state, the handle 13 can be rotated to make the threaded rod 10 rotate in the drive box 9. Since the threaded rod 10 is threadedly connected to the slider 11, the slider 11 will move closer to each other in the groove at the bottom of the drive box 9, thereby driving the connecting rod 12 to push the movable plate 7 downward. The universal wheel 8 at the bottom of the movable plate 7 will descend accordingly. At the same time, the movable rod 15 will slide synchronously in the sleeve 14 to maintain stability until the universal wheel 8 contacts the ground and supports the outdoor power supply body 1, and the support leg 16 leaves the ground. At this time, stop rotating the handle 13, and the outdoor power supply can be moved on a flat road. After reaching the destination, rotate the handle 13 in the opposite direction. The threaded rod 10 will drive the slider 11 to move in the opposite direction. The connecting rod 12 will pull the movable plate 7 upward, and the universal wheel 8 will gradually leave the ground. The support leg 16 will then contact the ground and support the outdoor power supply body 1, completing the fixed placement.
[0033] When manual transport is required, the lifting strap 5 can be pulled out from the winding box 2. The grip sleeve 18 provides a comfortable grip, and its anti-slip protrusions prevent hand slippage. During the lifting process, the handling handle 19 can also serve as an auxiliary grip point, and its anti-slip texture increases friction. If manual transport is not needed, the lifting strap 5 can be released, and the winding wheel 3 will rotate under the action of the torsion spring 4, automatically retracting the lifting strap 5 and winding it around the surface of the winding wheel 3, finally storing it in the winding box 2, keeping the overall appearance neat. When the power supply is heavy and requires multiple people to work together to move it, the handling handles 19 on the front and back can be used to allow multiple people to hold the handles on both sides and work together to complete the moving operation more easily. The entire process takes into account both ease of movement and placement stability, adapting to the needs of different scenarios.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A portable power supply comprising an outdoor power supply body (1), characterized in that: The outdoor power supply body (1) has a groove on its top, and a winding box (2) is fixedly connected inside the groove. A winding wheel (3) is rotatably connected inside the winding box (2). Torsion springs (4) are fixedly connected to the front and rear sides of the inner wall of the winding box (2). The end of the torsion spring (4) away from the winding box (2) is fixedly connected to the winding wheel (3). A lifting strap (5) is fixedly connected to the top of the outdoor power supply body (1). The end of the lifting strap (5) away from the outdoor power supply body (1) extends into the inside of the winding box (2) and wraps around the surface of the winding wheel (3). A lifting assembly (6) is provided below the outdoor power supply body (1). A movable plate (7) is provided below the outdoor power supply body (1). Universal wheels (8) are fixedly connected to the four sides of the bottom of the movable plate (7). Support legs (16) are fixedly connected to the four sides of the bottom of the outdoor power supply body (1).
2. A portable power source as claimed in claim 1, wherein: The lifting assembly (6) includes a drive box (9) fixedly connected to the bottom of the outdoor power supply body (1). The bottom of the drive box (9) is provided with a sliding groove, and sliders (11) are slidably connected to both sides inside the sliding groove. A connecting rod (12) is hinged to the bottom of the slider (11). The end of the connecting rod (12) away from the slider (11) is hinged to the top of the movable plate (7). A threaded rod (10) is rotatably connected inside the drive box (9). The threaded rod (10) is threadedly connected to the slider (11). The right side of the threaded rod (10) extends to the right side of the drive box (9) and is fixedly connected to a handle (13). Sleeves (14) are fixedly connected to the bottom of the outdoor power supply body (1). A movable rod (15) is slidably connected inside the sleeve (14). The bottom of the movable rod (15) is fixedly connected to the top of the movable plate (7).
3. A portable power source as claimed in claim 2, wherein: The drive box (9) is internally fixedly connected to a bearing, and the outer ring of the bearing is fixedly connected to the drive box (9), and the inner ring of the bearing is fixedly connected to the threaded rod (10).
4. The portable power source of claim 1, wherein: The outdoor power supply body (1) is fixedly connected to a protective cover (17), and the lifting component (6) is located inside the protective cover (17).
5. The portable power source of claim 1, wherein: The surface of the lifting strap (5) is movably connected to a grip sleeve (18), and the surface of the grip sleeve (18) is provided with anti-slip protrusions.
6. The portable power source of claim 1, wherein: The outdoor power supply body (1) has a carrying handle (19) fixedly connected to both sides of the front and back top. The surface of the carrying handle (19) is provided with anti-slip texture, and the number of anti-slip textures is several.