A portable multi-purpose cell phone charger

Abstract

This utility model relates to the field of electronic component technology, and in particular to a portable multi-purpose mobile phone charger. It solves the problem that existing elastic automatic storage structures are prone to fatigue and jamming due to impacts, drops, or long-term use, affecting cable retrieval and reducing lifespan. The charger includes a storage box and a flip cover. The flip cover is hinged to the top of the storage box and has a snap-fit ​​structure on one side. A placement box is connected to the top of the flip cover, containing an adapter and a power plug. A circuit board mounting box is located in the middle of the storage box, containing a PCB circuit board with connecting wires at both ends, connecting to the charging connector and USB plug respectively. The connecting wires are wound around threaded posts and extend through slots. This utility model, through manual storage and modular design, improves the stability and ease of operation of cable storage, avoids the failure risks associated with elastic structures, reduces manufacturing costs, and enhances the product's durability and portability.

Description

Technical Field

[0001] This utility model relates to the field of electronic accessories technology, and in particular to a portable multi-purpose mobile phone charger. Background Technology

[0002] Mobile phone chargers, as an indispensable accessory in modern electronic devices, are widely used in daily life and work. Their main function is to convert electrical energy into battery charging to ensure the continuous use of mobile devices such as mobile phones. With the development of technology and the diversification of people's lifestyles, users' needs for mobile phone chargers are no longer limited to single functions and fixed scenarios, but are constantly evolving towards portability, multi-functionality, and compatibility. Especially in mobile scenarios such as going out, traveling, and working, users often need to carry multiple data cables and charging heads with different interfaces, which is not only cumbersome and inconvenient, but also prone to omissions or damage. Therefore, designing a compact, portable, multi-purpose mobile phone charger that is easy to carry, highly compatible, and versatile has become an urgent technical challenge to be solved in the current consumer electronics accessory field.

[0003] A current utility model patent, CN 107919701 A, discloses a portable multi-purpose mobile phone charger, including a shell, a cylindrical column, a PCB circuit board, a power plug, a cable with a USB connector, and a cable with multiple mobile phone charging connectors. This device achieves an integrated, multi-functional design by placing the PCB circuit board in the center and having two cables extending from it to connect to the power source and the mobile phone respectively. A flexible, automatic retraction structure winds and stores the cables around the cylindrical column. While this solution addresses some of the problems of incompatible interfaces and inconvenient storage found in traditional chargers, it still has shortcomings in practical application. The flexible, automatic retraction structure relies on internal springs or elastic components to drive the cable retraction. After external impacts, drops, or prolonged use, it is prone to elastic fatigue and structural jamming, causing the cable to fail to spring back smoothly, severely impacting the user experience. The complexity of the elastic structure increases manufacturing costs and also reduces product reliability and lifespan.

[0004] Therefore, in response to the shortcomings of existing technologies, we urgently need a portable multi-purpose mobile phone charger design. This charger should be able to effectively improve the stability and ease of operation of cable management while ensuring a compact structure and portability, and at the same time enhance interface compatibility and safety of use, so as to better meet the needs of modern and diverse life and work scenarios and provide strong support for the sustainable development of the consumer electronics accessories industry. Utility Model Content

[0005] The purpose of this invention is to provide a portable multi-purpose mobile phone charger that solves the problem that the elastic automatic retraction structure used in the prior art relies on internal springs or elastic components to drive the cable retraction. This structure is prone to problems such as elastic fatigue and structural jamming after being subjected to external impacts, drops, or long-term use, which prevents the cable from rebounding smoothly and seriously affects the user experience. The complexity of the elastic structure increases the manufacturing cost and also reduces the reliability and service life of the product.

[0006] To achieve the above objectives, this utility model provides a portable multi-purpose mobile phone charger, including a storage box and a flip cover. The flip cover is rotatably connected to the top of the storage box via a hinge, and one side of the flip cover is detachably connected to the side wall of the storage box via a snap-fit ​​structure.

[0007] The top of the flip cover is connected to a storage box, and a number of adapters are provided on one side of the inside of the storage box, while a power plug is provided on the other side.

[0008] A circuit board mounting box is connected to the center of the storage box. Threaded posts are connected to both sides of the storage box. A PCB circuit board is connected inside the circuit board mounting box. Connecting wires are connected to the input and output ends of the PCB circuit board. A charging connector is connected to one side of the connecting wire, and a USB plug is connected to the other side of the connecting wire.

[0009] Both ends of the storage box have through slots for connecting wires to pass through.

[0010] The outer ring of the threaded column is threadedly connected to an internal threaded ring, and the bottom of the outer ring of the internal threaded ring is fitted with an annular pressure plate for extruding the connecting wire.

[0011] The storage box has a cover at both ends, and a rubber stopper that fits and engages with the through groove is fixedly connected to one side of the cover.

[0012] The diameter of the annular pressure plate is larger than the diameter of the threaded column, and the outer ring of the internal threaded ring has several anti-slip grooves.

[0013] The bottom side of the cover is provided with a connecting rope, one end of which is connected to the cover and the other end is connected to the side wall of the storage box.

[0014] The placement box has an internal partition plate that divides the interior of the placement box into two placement chambers. Both sides of the partition plate are fixedly connected to the inner wall of the placement box, and a top cover is bolted to the top of the placement box.

[0015] This utility model discloses a portable multi-purpose mobile phone charger. First, addressing the problem that existing elastic automatic cable retraction structures are prone to cable retraction failure due to collisions or jamming, this solution adopts a manual winding method combined with threaded posts and through-slots, avoiding reliance on complex elastic components such as springs. This improves the stability and lifespan of cable retraction, while reducing manufacturing costs and maintenance difficulty. Second, by incorporating a storage box and a flip-top structure, the entire device can be completely closed when not in use, effectively protecting key components such as the internal PCB circuit board, connecting wires, and charging connectors from dust intrusion or damage caused by external impacts, thus enhancing the product's durability and safety. Third, the integrated storage box on the top of the flip-top is specifically designed to store various types of adapters and power plugs, not only achieving functional integration but also avoiding the inconvenience caused by messy cables in traditional multi-interface chargers, further enhancing portability and practicality. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0018] Figure 2 This is a schematic diagram of the connecting line and threaded post of an embodiment of this utility model.

[0019] Figure 3 This is a schematic diagram of the rubber stopper and through groove according to an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the internal threaded ring and annular pressure plate according to an embodiment of the present invention.

[0021] Figure 5 This is a structural schematic diagram of the placement box and the partition plate according to an embodiment of the present utility model.

[0022] In the diagram: 1. Storage box; 2. Flip-top; 3. Placement box; 4. Circular pressure plate; 5. Connecting cable; 6. Threaded post; 7. Charging connector; 8. Circuit board mounting box; 9. USB plug; 10. Connecting rope; 11. Cover; 12. Rubber stopper; 13. Through groove; 14. Internal threaded ring; 15. Anti-slip groove; 16. Adapter; 17. Divider plate; 18. Power plug. Detailed Implementation

[0023] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0024] Example 1

[0025] Please see Figure 1-5 As shown, a portable multi-purpose mobile phone charger of this embodiment includes a storage box 1 and a flip cover 2. The flip cover 2 is rotatably connected to the top of the storage box 1 by a hinge, and one side of the flip cover 2 is detachably connected to the side wall of the storage box 1 by a buckle structure.

[0026] The top of the flip cover 2 is connected to a storage box 3. Several conversion connectors 16 are provided on one side of the inside of the storage box 3, and a power plug 18 is provided on the other side of the inside.

[0027] The storage box 1 has a circuit board mounting box 8 connected to its center. The storage box 1 has threaded posts 6 connected to both sides of its interior. The circuit board mounting box 8 has a PCB circuit board connected inside. The input and output ends of the PCB circuit board are connected to connecting wires 5. One side of the connecting wire 5 is connected to a charging connector 7, and the other side of the connecting wire 5 is connected to a USB plug 9.

[0028] Both ends of the storage box 1 are provided with through slots 13 for the connecting wires 5 to pass through.

[0029] When the user needs to use this portable multi-purpose mobile phone charger, first open the flip cover 2. Since the flip cover 2 is connected to the top of the storage box 1 by a hinge, and one side of it is detachably connected to the side wall of the storage box 1 by a snap-fit ​​structure, the opening and closing operation is convenient and the fixation is reliable. The top of the flip cover 2 is connected to a storage box 3 for storing the adapter 16 and the power plug 18. The user can take out the required adapter 16 from one side inside the storage box 3 and take out the power plug 18 from the other side. The storage box 1 has a circuit board mounting box 8 in the center inside, in which a PCB circuit board is fixedly installed. The input and output ends of the PCB circuit board are respectively connected to... The connecting cable 5 has a charging connector 7 on one side and a USB plug 9 on the other. In its stored state, these two connecting cables 5 are wrapped neatly around the threaded posts 6 on both sides of the storage box 1 for easy storage and to prevent tangling. To use, the connecting cable 5 is unwound from the threaded posts 6 and passed through the slots 13 at both ends of the storage box 1. Then, the USB plug 9 is connected to the power plug 18 to establish an electrical connection with an external power source. Next, depending on the specific interface type of the device to be charged, a suitable adapter 16 is selected and connected to the charging connector 7. Finally, the adapter 16 is inserted into the device to complete the charging operation. The entire process is simple to operate, with orderly cable arrangement, eliminating the need for frequent changes of data cables or charging heads, greatly improving convenience and compatibility.

[0030] Example 2

[0031] Please see Figure 1-5As shown in this embodiment, a portable multi-purpose mobile phone charger has an inner threaded ring 14 threaded to the outer ring of a threaded post 6. An annular pressure plate 4 for pressing the connecting wire 5 is sleeved on the bottom of the outer ring of the inner threaded ring 14. Specifically, through the cooperation of the threaded post 6, the inner threaded ring 14, and the annular pressure plate 4, when the connecting wire 5 is wound on the threaded post 6, the inner threaded ring 14 can be rotated to move downward along the thread direction, and the annular pressure plate 4 can be moved downward synchronously, thereby pressing and fixing the connecting wire 5 wound on the threaded post 6 to prevent it from loosening or slipping in the storage state. This achieves the effect of enhancing the storage stability of the connecting wire 5, preventing cable displacement or knotting, and improving the compactness and portability of the overall structure.

[0032] The diameter of the annular pressure plate 4 is larger than the diameter of the threaded post 6. The outer ring of the inner threaded ring 14 has several anti-slip grooves 15. Specifically, through the cooperation of the annular pressure plate 4 with the threaded post 6, the inner threaded ring 14 and the anti-slip grooves 15, the annular pressure plate 4 has a larger diameter than the threaded post 6, which can cover a wider cable area and increase the clamping area. The anti-slip grooves 15 on the outer ring of the inner threaded ring 14 make it easier for users to grip and apply rotational force, thereby improving the ease of operation, enhancing the clamping effect and preventing slippage that could cause assembly difficulties. This further optimizes the storage and fixing performance of the connecting wire 5.

[0033] Example 3

[0034] Please see Figure 1-5 As shown in this embodiment, a portable multi-purpose mobile phone charger has a cover 11 at both ends of the storage box 1. A rubber plug 12 that is adapted to and snaps into the through groove 13 is fixedly connected to one side of the cover 11. Specifically, through the cooperation of the cover 11, the rubber plug 12 and the through groove 13, after the connecting wire 5 passes through the through groove 13 and extends out of the storage box 1, the cover 11 can be closed on both ends of the storage box 1, and the rubber plug 12 can be snapped into the through groove 13 to achieve a seal and block the through groove 13. This achieves the effect of preventing dust and foreign objects from entering the inside of the storage box 1, protecting the PCB circuit board and the connecting wire 5 from contamination or damage, and at the same time enhancing the dustproof performance and overall aesthetics of the device.

[0035] A connecting rope 10 is provided on one bottom side of the cover 11. One end of the connecting rope 10 is connected to the cover 11, and the other end is connected to the side wall of the storage box 1. Specifically, through the cooperation of the cover 11 and the connecting rope 10, one end of the connecting rope 10 is fixed to the bottom side of the cover 11, and the other end is connected to the side wall of the storage box 1. This ensures that the cover 11 will not completely detach or be lost after being opened, thus preventing the cover 11 from being lost and ensuring that it is always connected to the storage box 1, thereby improving the stability and reliability during use.

[0036] The storage box 3 has an internal partition 17 that divides the interior of the storage box 3 into two storage chambers. Both sides of the partition 17 are fixedly connected to the inner wall of the storage box 3. The top of the storage box 3 is bolted to a top cover. Specifically, through the cooperation of the partition 17 and the top cover, the interior of the storage box 3 is divided into two independent storage chambers by the partition 17, which are used to store the adapter 16 and the power plug 18 respectively, to avoid mixing the two and causing short circuits or mutual wear. The top cover, which is fixed to the top by bolts, plays a sealing and protective role, achieving the effects of classified storage, easy access, improved storage space utilization and product safety.

[0037] The portable multi-purpose mobile phone charger provided by this utility model includes a storage box 1, a flip cover 2, a placement box 3, a partition plate 17, a top cover, a threaded post 6, an internal threaded ring 14, an annular pressure plate 4, an anti-slip groove 15, a sealing cover 11, a rubber stopper 12, a connecting rope 10, a circuit board mounting box 8, a PCB circuit board, a connecting wire 5, a charging connector 7, a USB plug 9, a power plug 18, and a through groove 13. When the user needs to use the device, the flip cover 2 is first opened by the hinge. One side of the flip cover 2 is detachably connected to the side wall of the storage box 1 by a snap-fit ​​structure, making the opening and closing operation convenient and reliable. The top of the flip cover 2 is provided with a placement box 3, which is divided into two independent chambers by the partition plate 17, respectively for storing the adapter 16 and the power plug 18, to avoid short circuits or wear caused by mixed storage. The top of the placement box 3 is bolted to the top, which plays a role in sealing and protection. Then the user can take out the required adapter 16 and power plug 18 from the placement box 3 for later use.

[0038] Next, examining the internal structure of the storage box 1, a circuit board mounting box 8 is located at its center, housing a fixed PCB circuit board, which serves as the core control component of the entire charger. The input and output ends of the circuit board are connected to connecting cables 5, one side connecting to the charging connector 7 and the other to the USB plug 9. In the stored state, the two connecting cables 5 are neatly wound around threaded posts 6 on both sides inside the storage box 1. To prevent the cables from loosening, an inner threaded ring 14 is provided around the outer edge of the threaded post 6, with an annular pressure plate 4 fitted at its bottom. By rotating the inner threaded ring 14, the annular pressure plate 4 moves downward to press and fix the wound connecting cables 5, improving storage stability. Simultaneously, the outer edge of the inner threaded ring 14 has anti-slip grooves 15, facilitating gripping and rotation by the user, improving operational convenience. When needed, the connecting cables 5 are unwound from the threaded posts 6 and passed through the through slots 13 at both ends of the storage box 1. Then, the USB plug 9 is connected to the power plug 18 to achieve electrical connection with an external power source. Finally, a suitable adapter 16 is selected according to the interface type of the device to be charged and connected to the charging connector 7 to complete the charging process.

[0039] In addition, the storage box 1 has a cover 11 at both ends. A rubber stopper 12 is fixedly connected to one side of the cover 11. Its shape is adapted to the through groove 13. After the connecting wire 5 passes through, the cover 11 can be closed, so that the rubber stopper 12 can be inserted into the through groove 13, which can play a role in sealing and dust prevention, and protect the internal structure from pollution or damage. At the same time, the bottom of one side of the cover 11 is connected to the side wall of the storage box 1 by a connecting rope 10, ensuring that the cover 11 will not be lost after being opened, and enhancing the stability and reliability of use.

[0040] The beneficial effects of this technical solution are as follows: The combined design of the storage box 1 and the flip cover 2 makes the overall structure compact and easy to carry. Meanwhile, the placement box 3 on the flip cover 2 allows for the centralized storage of various charging accessories, improving portability and practicality. The design of the divider 17 and the top cover enables the categorized storage of the adapter 16 and the power plug 18, improving space utilization and enhancing safety. The combined design of the threaded post 6, the internal threaded ring 14, and the annular pressure plate 4 solves the problems of easy jamming and short lifespan in traditional flexible automatic cable management structures, improving the stability and lifespan of cable storage. The anti-slip groove 15 further optimizes operation. The combination of the cover 11, rubber stopper 12, and through-slot 13 effectively prevents dust from entering the storage box 1, extending the product's lifespan. The connection method between the cover 11 and the connecting rope 10 avoids the problem of losing the cover 11, improving overall ease of use. The PCB circuit board is placed in the circuit board mounting box 8, further enhancing the protection of core electronic components. The detachable connection design of the USB plug 9 and the power plug 18 allows users to use it flexibly according to different scenarios. The modular combination of the charging connector 7 and the adapter 16 greatly improves the product's compatibility, meeting the charging needs of various brands and models of mobile phones. In summary, this portable multi-purpose mobile phone charger not only solves the problems of inconvenient storage, incompatible interfaces, complex structure, and high cost existing technologies, but also improves overall stability, safety, and user experience through multiple innovative designs, possessing good market application prospects and promotional value.

[0041] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A portable multi-purpose mobile phone charger, characterized in that, include: The storage box and the flip cover are connected to the top of the storage box by a hinge, and one side of the flip cover is detachably connected to the side wall of the storage box by a buckle structure. The top of the flip cover is connected to a storage box, and a number of adapters are provided on one side of the inside of the storage box, while a power plug is provided on the other side. A circuit board mounting box is connected to the center of the storage box. Threaded posts are connected to both sides of the storage box. A PCB circuit board is connected inside the circuit board mounting box. Connecting wires are connected to the input and output ends of the PCB circuit board. A charging connector is connected to one side of the connecting wire, and a USB plug is connected to the other side of the connecting wire. Both ends of the storage box have through slots for connecting wires to pass through.

2. A portable multi-purpose mobile phone charger according to claim 1, characterized in that, The outer ring of the threaded column is threadedly connected to an internal threaded ring, and the bottom of the outer ring of the internal threaded ring is fitted with an annular pressure plate for extruding the connecting wire.

3. A portable multi-purpose mobile phone charger according to claim 1, characterized in that, Both ends of the storage box are equipped with caps, and a rubber stopper that fits and snaps into the through groove is fixedly connected to one side of each cap.

4. A portable multi-purpose mobile phone charger according to claim 2, characterized in that, The diameter of the annular pressure plate is larger than the diameter of the threaded column, and the outer ring of the internal threaded ring has several anti-slip grooves.

5. A portable multi-purpose mobile phone charger according to claim 3, characterized in that, A connecting rope is provided at the bottom of one side of the cover. One end of the connecting rope is connected to the cover, and the other end is connected to the side wall of the storage box.

6. A portable multi-purpose mobile phone charger according to claim 5, characterized in that, The placement box has an internal partition plate that divides the interior of the placement box into two placement chambers. Both sides of the partition plate are fixedly connected to the inner wall of the placement box, and a top cover is bolted to the top of the placement box.

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