Mobile power supply

Abstract

The utility model relates to the technical field of 3C accessories, in particular to a mobile power supply. The mobile power supply comprises a main body, a first wireless charging panel, a second wireless charging panel and a telescopic data line module. And a first wireless charging module is arranged in the first wireless charging panel. A containing groove is formed in one side face of the main body, and the first wireless charging panel is rotationally installed in the containing groove; the first wireless charging panel is rotated, and the first wireless charging panel can be rotated out of the containing groove or rotationally contained in the containing groove. A second wireless charging module is arranged in the second charging panel; a top mounting cavity is formed in the top of the main body, a third wireless charging module is mounted in the top mounting cavity, and an upper cover covers the third wireless charging module; a connecting opening is formed in one side edge of the upper cover, and a rotating shaft is mounted in the connecting opening; and one side of the second wireless charging panel is provided with a rotary connecting sheet.

Description

Technical Field

[0001] This utility model relates to the field of 3C accessories technology, and in particular to a power bank. Background Technology

[0002] A portable power bank is a 3C accessory that allows you to charge your mobile phones and other electronic devices when their batteries run out. It's commonly known as a power bank. Portable power banks store electrical energy through a built-in rechargeable battery and charge external electronic devices. Due to their portability and essential functionality, portable power banks are widely popular among consumers.

[0003] To adapt to market changes, current power banks have wireless charging capabilities or come with a built-in charging cable, but their functions are still not integrated and diverse enough to meet the market's demand for multifunctionality and maintain portability. Utility Model Content

[0004] This utility model provides a portable power bank to address the problem that current portable power banks lack sufficient integration and variety of functions, making it difficult to meet market demands for multifunctionality and maintain portability.

[0005] This utility model discloses a mobile power supply, including a main body, a first wireless charging board, a second wireless charging board, and a retractable data cable module; the first wireless charging board is provided with a first wireless charging module;

[0006] A receiving groove is provided on one side of the main body, and the first wireless charging board is rotatably installed in the receiving groove; by rotating the first wireless charging board, the first wireless charging board can be rotated out of the receiving groove or rotated and stored in the receiving groove.

[0007] The second wireless charging pad contains a second wireless charging module; the top of the main body has a top mounting cavity, in which a third wireless charging module is installed, and the top cover of the third wireless charging module is provided with a top cover; a connection opening is provided on one side of the top cover, and a rotating shaft is installed in the connection opening; a rotating connecting piece is installed on one side of the second wireless charging pad, and the rotating connecting piece is connected to the rotating shaft with damping rotation; a clearance groove is provided on the first side of the second wireless charging pad on the side where the rotating connecting piece is located, and the clearance groove extends along the first side; by rotating the second wireless charging pad, the second wireless charging pad can be closed on the top cover, or rotated upright from the top cover;

[0008] The retractable data cable module is installed inside the main body. A retractable storage slot is provided on the side of the main body opposite to the first wireless charging plate. The retractable data cable of the retractable data cable module is led out from the retractable storage slot and can be stored in the retractable storage slot.

[0009] Optionally, a rotating shaft is installed in the receiving slot, and a rotating piece is provided on one side of the first wireless charging board. The rotating piece is rotatably mounted on the rotating shaft so that the first wireless charging board is rotatably mounted in the receiving slot.

[0010] Optionally, the main body is provided with a rechargeable battery module and a circuit board, and the circuit board is electrically connected to the rechargeable battery module, the first wireless charging module, the second wireless charging module and the third wireless charging module respectively.

[0011] Optionally, a display screen is provided on the side of the main body opposite to the first wireless charging pad. The display screen is located above the telescopic storage slot, and a power charging inlet and a power charging outlet are provided between the display screen and the telescopic storage slot.

[0012] Optionally, a first magnet is installed on the inner side wall of the main body, corresponding to the telescopic storage slot, and the charging head of the telescopic data cable is magnetically attracted in the telescopic storage slot by the first magnet.

[0013] Optionally, the circuit board includes a first circuit sub-board, a second circuit sub-board, a third circuit sub-board, and a fourth circuit sub-board; the first circuit sub-board is installed in the top mounting cavity and electrically connected to the third wireless charging module, the second circuit sub-board is electrically connected to the rechargeable battery module, the display screen, the charging input interface, and the charging output interface, the third circuit sub-board is electrically connected to the retractable data cable module, and the fourth circuit sub-board is electrically connected to the first wireless charging module.

[0014] Optionally, the rechargeable battery module includes a rechargeable battery and a battery frame, wherein the rechargeable battery is installed in the battery frame and electrically connected to a third circuit board.

[0015] The battery frame has a recessed cavity on the side corresponding to the receiving groove, and the receiving groove is recessed in the cavity. The fourth circuit board is installed in the cavity.

[0016] Optionally, the circuit board also includes an adapter circuit sub-board, which is mounted on the side of the battery frame adjacent to the cavity, a second circuit sub-board is mounted on the side of the battery frame opposite to the cavity, a third circuit sub-board is mounted on the bottom of the battery frame away from the top mounting cavity, and the telescopic data cable module is located on the side of the third circuit sub-board away from the battery frame.

[0017] The first circuit board and the second circuit board are electrically connected. The second circuit board and the transfer circuit board are electrically connected. The transfer circuit board and the third circuit board are electrically connected. The third circuit board and the fourth circuit board are electrically connected.

[0018] Optionally, the battery frame includes a first frame and a second frame, which are mounted axially opposite to each other on the power supply, and the rechargeable battery is installed in the first frame and the second frame.

[0019] Optionally, the first frame has a mating positioning groove on the edge that mates with the second frame, and the second frame has a mating positioning piece on the edge that mates with the first frame, with the mating positioning piece inserted into the mating positioning groove.

[0020] The beneficial effects of the portable power bank provided by this utility model embodiment are as follows: The portable power bank of this utility model provides three wireless charging positions: a first wireless charging plate, a second wireless charging plate, and a third wireless charging module disposed on the top of the main body. The first wireless charging plate is rotatably mounted in a receiving groove on the side of the main body, facilitating the placement of a watch and providing a wireless charging position for it. The second wireless charging plate, rotatably mounted on the top of the main body, can be rotated upright, facilitating the wireless charging of a mobile phone. The third wireless charging module disposed in the top mounting cavity provides a wireless charging position for a Bluetooth headset charging case. The retractable data cable module eliminates the need for an additional data cable for charging. In other words, the portable power bank of this utility model is multifunctional, capable of simultaneously providing wireless charging positions for watches, mobile phones, and Bluetooth headset charging cases. Furthermore, it has a built-in retractable data cable module, eliminating the need for additional data cable charging during wired charging. This results in higher functional integration and greater versatility, meeting the market's demand for multifunctionality. Meanwhile, the first wireless charging pad can be rotated and stored in the storage slot, and the second wireless charging pad is connected by a rotating connecting piece and a rotating shaft damping, so that it can be closed on the top cover for storage. In addition, the retractable data cable module itself has a retractable data cable, and the charging head of the retractable data cable can also be stored in the retractable storage slot. This makes the overall storage volume of the power bank small, maintaining the convenience of the power bank and making it easy to carry. Attached Figure Description

[0021] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of a portable power bank according to an embodiment of the present invention;

[0023] Figure 2 This is another schematic diagram of a portable power bank according to an embodiment of the present invention;

[0024] Figure 3 This is an exploded view of the portable power bank according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the circuit board and other components according to an embodiment of this utility model;

[0026] Figure 5 This is another schematic diagram of the circuit board and other components in an embodiment of this utility model;

[0027] Figure 6 This is another exploded view of the portable power bank according to an embodiment of the present invention;

[0028] Figure 7 This is a schematic diagram of the first wireless charging pad according to an embodiment of the present utility model;

[0029] Figure 8 This is an exploded view of the first wireless charging board according to an embodiment of this utility model;

[0030] Figure 9 yes Figure 6 A magnified view of part A in the middle;

[0031] Figure 10 This is an exploded view of the main body of an embodiment of this utility model;

[0032] Figure 11 yes Figure 10 A magnified view of part B in the middle section;

[0033] Figure 12 This is an exploded view of the second wireless charging board according to an embodiment of this utility model.

[0034] The labels for the attached figures are as follows:

[0035] 1. Main body; 11. Receiving slot; 12. Top mounting cavity; 13. Third wireless charging module; 14. Top cover; 141. Connecting opening; 15. Rotating shaft; 16. Rotating shaft component; 17. Rechargeable battery module; 171. Battery frame; 1711. Recessed cavity; 1712. First frame; 17121. Alignment positioning slot; 1713. Second frame; 17131. Alignment positioning piece; 18. Circuit board; 181. First circuit sub-board; 182. Second circuit sub-board; 183. The third... 184. Third circuit board; 185. Fourth circuit board; 186. Adapter circuit board; 19. Display screen; 110. Charging input interface; 120. Charging output interface; 130. Bottom cover; 140. Telescopic storage slot; 2. First wireless charging board; 21. Rotating piece; 22. Second wireless charging module; 3. Second wireless charging board; 31. First side; 32. Avoidance groove; 33. Rotating connecting piece; 34. Decorative piece; 4. Telescopic data cable module; 41. Data cable; 411. Charging head. Detailed Implementation

[0036] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0037] This utility model embodiment provides a portable power supply, such as... Figures 1 to 12 As shown, the power bank includes a main body 1, a first wireless charging board 2, a second wireless charging board 3, and a retractable data cable module 4; the first wireless charging board 2 contains a first wireless charging module (not shown).

[0038] The main body 1 has a receiving groove 11 on one side, and the first wireless charging plate 2 is rotatably installed in the receiving groove 11; by rotating the first wireless charging plate 2, the first wireless charging plate 2 can be rotated out of the receiving groove 11 or rotated and stored in the receiving groove 11.

[0039] The second charging panel is provided with a second wireless charging module 22; the top of the main body 1 has a top mounting cavity 12, in which a third wireless charging module 13 is installed, and the top cover 14 of the third wireless charging module 13 is provided with a top cover 14; a connection opening 141 is provided on one side of the top cover 14, and a rotating shaft 15 is installed in the connection opening 141; a rotating connecting piece 33 is installed on one side of the second wireless charging plate 3, and the rotating connecting piece 33 is damped and rotatably connected to the rotating shaft 15; a clearance groove 32 is provided on the first side 31 on the side where the rotating connecting piece 33 is located on the second wireless charging plate 3, and the clearance groove 32 extends along the first side 31; by rotating the second wireless charging plate 3, the second wireless charging plate 3 can be closed on the top cover 14, or rotated upright from the top cover 14.

[0040] The retractable data cable module 4 is installed inside the main body 1 and electrically connected to the circuit board 18. A retractable storage slot 140 is provided on the side of the main body 1 opposite to the first wireless charging board 2. The retractable data cable 41 of the retractable data cable module 4 is led out from the retractable storage slot 140 and can be stored in the retractable storage slot 140.

[0041] In this portable power bank, the first wireless charging plate 2, the second wireless charging plate 3, and the third wireless charging module 13 located on the top of the main body 1 provide three wireless charging positions. The first wireless charging plate 2 is rotatably mounted in the receiving groove 11 on the side of the main body 1, facilitating the placement of a watch and providing a wireless charging position for it. The second wireless charging plate 3, rotatably mounted on the top of the main body 1, can be rotated upright, providing a wireless charging position for a mobile phone. The third wireless charging module 13, located in the top mounting cavity 12, provides a wireless charging position for a Bluetooth headset charging case. The retractable data cable module 4 eliminates the need for an additional data cable 41 for charging. In other words, this portable power bank is multifunctional, simultaneously providing wireless charging positions for watches, mobile phones, and Bluetooth headset charging cases. Furthermore, it includes a retractable data cable module 4, eliminating the need for additional data cable charging during wired charging. This results in higher functional integration and greater versatility, meeting market demands for multi-functionality. Meanwhile, the first wireless charging pad 2 can be rotated and stored in the storage slot, and the second wireless charging pad 3 is connected by a rotating connecting piece 33 and a rotating shaft 15 through damping rotation, so that it can be closed on the top cover 14 for storage. In addition, the retractable data cable module 4 itself has a retractable data cable 41, and the charging head 411 of the retractable data cable 41 can also be stored in the retractable storage slot 140. This makes the overall storage volume of the power bank small, maintaining the convenience of the power bank and making it easy to carry.

[0042] The second wireless charging module 22 is installed in the top mounting cavity 12 and covered by the top cover 14. A connecting opening 141 is provided in the top cover 14, and a rotating shaft 15 is installed in the connecting opening 141. A rotating connecting piece 33 is installed on one side of the second wireless charging plate 3. The second wireless charging plate 3 is mounted on the top of the main body 1 through a damped rotating connection with the rotating shaft 15. Simultaneously, a clearance groove 32 is provided on the first side 31 to avoid the top edge of the main body 1 during the rotation of the second wireless charging plate 3, ensuring normal rotation. In other words, the utility model of the power bank ensures the normal rotation and use of the second wireless charging plate 3, and allows it to be stored under the top cover 14, while directly installing the second wireless charging plate 3 through the rotating shaft 15 and connecting piece, eliminating the need for a telescopic rod or L-shaped connecting arm, resulting in a simple structure.

[0043] Specifically, when using the hinge 15 and connecting piece to connect the second wireless charging pad 3 to the top of the main body 1, the second wireless charging pad and the top of the main body 1 will be relatively close. However, by setting the clearance groove 32, the normal rotation of the second wireless charging pad 3 can be ensured on this basis. At the same time, by directly using the hinge 15 and connecting piece, the height of the second wireless charging pad 3 when it is rotated and stood up is relatively low, which can reduce the overall height and center of gravity of the power bank, making it less likely for the mobile phone to tip over when placed on the second wireless charging pad. A decorative piece 34 is attached to the side of the second wireless charging pad 3 facing the top cover 14 to cover the connecting piece.

[0044] The top mounting cavity 12 located on the top of the main body 1 can provide a reliable installation space for the second wireless charging module 22, allowing the second wireless charging module 22 to be close to the top cover 14, ensuring normal wireless charging.

[0045] Specifically, the first wireless charging module, the second wireless charging module 22, and the third wireless charging module 13 can be magnetic wireless charging modules. The retractable data cable module 4 is equipped with components such as a coil spring to realize the automatic winding of the retractable data cable 41. The retractable data cable 41 can be extended when in use and retracted into the retractable data cable module 4 inside the main body 1 when not in use. The retractable data cable module 4 can be implemented in a manner known to those skilled in the art, and will not be described in detail here.

[0046] A pivot 16 is installed inside the receiving slot 11. A rotating piece 21 is provided on one side of the first wireless charging plate 2. The rotating piece 21 is rotatably mounted on the pivot 16, so that the first wireless charging plate 2 is rotatably mounted in the receiving slot 11. In this design, the first wireless charging plate 2 is rotatably mounted in the receiving slot 11 through the rotatable connection between the rotating piece 21 and the pivot 16, and the rotating piece 21 and the pivot 16 maintain the rotational stability of the first wireless charging plate 2. In use, the first wireless charging plate rotates out of the receiving slot 11, and charging objects such as watches can be placed on the first charging plate for charging. This allows charging objects such as those at hand to be conveniently and stably placed on the first wireless charging plate of the power bank, making it convenient to use and providing high charging efficiency.

[0047] Furthermore, the main body 1 is equipped with a rechargeable battery module 17 and a circuit board 18. The circuit board 18 is electrically connected to the rechargeable battery module 17, the first wireless charging module, the second wireless charging module 22, and the third wireless charging module 13, respectively. The rechargeable battery module 17 stores electrical energy for the power bank and provides charging power to external devices. The circuit board 18 serves as a distribution and control component for the power bank circuit.

[0048] A display screen 19 is provided on the side of the main body 1 opposite to the first wireless charging pad 2. The display screen 19 is located above the retractable storage slot 140, and a charging input port 110 and a charging output port 120 are provided between the display screen 19 and the retractable storage slot 140. The display screen 19 can display the working status information of the power bank, such as the remaining power and charging status. On the side of the main body 1, the display screen 19 is located on the opposite side of the first wireless charging pad 2, and the display screen 19, the charging input port 110, the charging output port 120, and the retractable storage slot 140 are arranged sequentially from top to bottom, making full use of the space on the side of the main body 1 and arranging them in a reasonable manner. Placing the display screen 19, the charging input port 110, the charging output port 120, and the retractable storage slot 140 on the same side allows users to easily observe the corresponding display information on the display screen 19 when charging with the retractable data cable 41 or when the charging input port 110 and the charging output port 120 are connected to the data cable 41. The display screen 19 can be an LED display screen.

[0049] Specifically, the charging input interface 110 is a Type-C interface, used to connect an external power source to charge the rechargeable battery module 17; the charging output interface 120 is a Type-A interface, used for wired charging of mobile phones.

[0050] A first magnet is installed on the inner wall of the main body 1, corresponding to the telescopic storage slot 140. The charging head 411 of the telescopic data cable 41 is magnetically attracted to the telescopic storage slot 140 by the first magnet. By installing the first magnet on the inner wall of the main body 1 corresponding to the telescopic storage slot 140, the charging head 411 of the telescopic data cable 41 can be stored and positioned, preventing the charging head 411 from easily detaching from the telescopic storage slot 140 and improving storage stability. Specifically, the charging head 411 can be provided with a magnetically attracting metal sheet or magnet corresponding to the first magnet, or the charging head 411 housing can be made of a magnetically attracting metal housing to achieve magnetic attraction with the first magnet. The first magnet can be adhered to the groove in the inner wall of the main body 1 corresponding to the telescopic storage slot 140 by adhesive or the like.

[0051] The circuit board 18 includes a first circuit sub-board 181, a second circuit sub-board 182, a third circuit sub-board 183, and a fourth circuit sub-board 184. The first circuit sub-board 181 is installed in the top mounting cavity 12 and electrically connected to the third wireless charging module 13. The second circuit sub-board 182 is electrically connected to the rechargeable battery module 17, the display screen 19, the charging input interface 110, and the charging output interface 120. The third circuit sub-board 183 is electrically connected to the retractable data cable module 4. The fourth circuit sub-board 184 is electrically connected to the first wireless charging module. This solution achieves the electrical connection of the third wireless charging module 13, the rechargeable battery module 17, the display screen 19, the charging input interface 110 and the charging output interface 120, the retractable data cable module 4, and the first wireless charging module by setting the first circuit sub-board 181, the second circuit sub-board 182, the third circuit sub-board 183, and the fourth circuit sub-board 184.

[0052] The rechargeable battery module 17 includes a rechargeable battery (not shown) and a battery frame 171. The rechargeable battery is mounted in the battery frame 171 and electrically connected to a third circuit sub-board 183. A recess 1711 is formed on the side of the battery frame 171 corresponding to the receiving groove 11. The receiving groove 11 is recessed in the recess 1711, and a fourth circuit sub-board 184 is mounted in the recess 1711. The design of the recess 1711 provides installation space for the receiving groove 11 and the fourth circuit sub-board 184, facilitating the placement of the receiving groove 11 and the installation of the fourth circuit sub-board 184. Specifically, the rechargeable battery can be a lithium-ion battery.

[0053] The circuit board 18 also includes a transition circuit sub-board 185, which is mounted on the side of the battery frame 171 adjacent to the cavity 1711. A second circuit sub-board 182 is mounted on the side of the battery frame 171 opposite to the cavity 1711. A third circuit sub-board 183 is mounted on the bottom of the battery frame 171 away from the top mounting cavity 12. The telescopic data cable module 4 is located on the side of the third circuit sub-board 183 away from the battery frame 171. The first circuit sub-board 181 and the second circuit sub-board 182 are electrically connected. The second circuit sub-board 182 is electrically connected to the transition circuit sub-board 185. The transition circuit sub-board 185 is electrically connected to the third circuit sub-board 183. The third circuit sub-board is electrically connected to the fourth circuit sub-board 184. The arrangement of the transition circuit sub-board 185 facilitates the electrical connection of each circuit board 18, ensures that each circuit board 18 is placed in the required position, reduces the corresponding wiring, and improves the rationality of space utilization.

[0054] Specifically, the first circuit sub-board 181 and the second circuit sub-board 182 are electrically connected by pin headers, the second circuit sub-board 182 and the adapter circuit sub-board 185 are electrically connected by through-hole plug-in soldering, the adapter circuit sub-board 185 and the third circuit sub-board 183 are electrically connected by through-hole plug-in soldering, and the third circuit sub-board and the fourth circuit sub-board 184 are electrically connected by wire bonding.

[0055] Specifically, the battery frame 171 includes a first frame 1712 and a second frame 1713, which are mounted axially opposite each other on the power supply. The rechargeable battery is installed in the first frame 1712 and the second frame 1713. The mounting of the first frame 1712 and the second frame 1713 facilitates the installation of the rechargeable battery.

[0056] The tops of the first frame 1712 and the second frame 1713 can be fixedly connected by studs and screws, and the bottoms can be fastened by snap-fit. Specifically, the first frame 1712 has a mating positioning groove 17121 on its mating edge with the second frame 1713, and the second frame 1713 has a mating positioning piece 17131 on its mating edge with the first frame 1712. The mating positioning piece 17131 is inserted into the mating positioning groove 17121. By cooperating with the mating positioning groove 17121, the first frame 1712 and the second frame 1713 can be pre-positioned during assembly, improving the ease of assembly.

[0057] Specifically, the first circuit board 181 can be connected to the top of the first frame 1712 and the second frame 1713 by screws passing through the top mounting cavity 12. The studs at the bottom of the top of the first frame 1712 and the second frame 1713, the third circuit board 183, and the telescopic data cable module 4 are assembled and fixed together by screws. The bottom of the main body 1 is snapped onto or installed with screws with a bottom cover 130.

[0058] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.

Claims

1. A mobile power supply, characterized by, It includes a main body, a first wireless charging board, a second wireless charging board, and a retractable data cable module; the first wireless charging board contains the first wireless charging module; A receiving groove is provided on one side of the main body, and the first wireless charging board is rotatably installed in the receiving groove; by rotating the first wireless charging board, the first wireless charging board can be rotated out of the receiving groove or rotated and stored in the receiving groove. The second wireless charging pad is provided with a second wireless charging module; the top of the main body has a top mounting cavity, in which a third wireless charging module is installed, and the third wireless charging module has a top cover; a connection opening is provided on one side of the top cover, and a rotating shaft is installed in the connection opening; a rotating connecting piece is installed on one side of the second wireless charging pad, and the rotating connecting piece is connected to the rotating shaft with damping; a clearance groove is provided on the first side of the second wireless charging pad on the side where the rotating connecting piece is located, and the clearance groove extends along the first side; by rotating the second wireless charging pad, the second wireless charging pad can be closed on the top cover, or rotated upright from the top cover; The retractable data cable module is installed inside the main body. A retractable storage slot is provided on the side of the main body opposite to the first wireless charging board. The retractable data cable of the retractable data cable module is led out from the retractable storage slot and can be stored in the retractable storage slot.

2. The mobile power source of claim 1, wherein, A rotating shaft is installed in the receiving slot, and a rotating piece is provided on one side of the first wireless charging board. The rotating piece is rotatably mounted on the rotating shaft so that the first wireless charging board is rotatably mounted in the receiving slot.

3. The mobile power source of claim 1, wherein, The main body is provided with a rechargeable battery module and a circuit board, and the circuit board is electrically connected to the rechargeable battery module, the first wireless charging module, the second wireless charging module and the third wireless charging module respectively.

4. The mobile power source of claim 3, wherein, A display screen is provided on the side of the main body opposite to the first wireless charging plate. The display screen is located above the telescopic storage slot, and a power charging inlet and a power charging outlet are provided between the display screen and the telescopic storage slot.

5. The mobile power source of claim 1, wherein, A first magnet is installed on the inner side wall of the main body, corresponding to the telescopic storage slot, and the charging head of the telescopic data cable is magnetically attracted to the telescopic storage slot through the first magnet.

6. The mobile power source of claim 4, wherein, The circuit board includes a first circuit sub-board, a second circuit sub-board, a third circuit sub-board, and a fourth circuit sub-board; the first circuit sub-board is installed in the top mounting cavity and electrically connected to the third wireless charging module; the second circuit sub-board is electrically connected to the rechargeable battery module, the display screen, the charging input interface, and the charging output interface; the third circuit sub-board is electrically connected to the retractable data cable module; and the fourth circuit sub-board is electrically connected to the first wireless charging module.

7. The mobile power source of claim 6, wherein, The rechargeable battery module includes a rechargeable battery and a battery frame, wherein the rechargeable battery is installed in the battery frame and electrically connected to the third circuit sub-board; The battery frame is recessed on the side corresponding to the receiving groove to form a cavity, the receiving groove is recessed in the cavity, and the fourth circuit board is installed in the cavity.

8. The mobile power source of claim 7, wherein, The circuit board also includes an adapter circuit sub-board, which is mounted on the side of the battery frame adjacent to the cavity. The second circuit sub-board is mounted on the side of the battery frame opposite to the cavity. The third circuit sub-board is mounted on the bottom of the battery frame away from the top mounting cavity. The telescopic data cable module is located on the side of the third circuit sub-board away from the battery frame. The first circuit board and the second circuit board are electrically connected, the second circuit board and the adapter circuit board are electrically connected, the adapter circuit board and the third circuit board are electrically connected, and the third circuit board and the fourth circuit board are electrically connected.

9. The portable power bank according to claim 8, characterized in that, The battery frame includes a first frame and a second frame, which are mounted axially opposite to each other on the power bank, and the rechargeable battery is installed in the first frame and the second frame.

10. The portable power bank according to claim 9, characterized in that, The first frame has a mating positioning groove on its edge that mates with the second frame, and the second frame has a mating positioning piece on its edge that mates with the first frame. The mating positioning piece is inserted into the mating positioning groove.

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