A portable power bank

Abstract

This utility model relates to the field of 3C accessory technology, specifically to a portable power bank. The portable power bank includes a housing, a circuit board, a first charging cable, and a second charging cable. The circuit board is installed inside the housing, and the first and second charging cables are electrically connected to the circuit board. The housing includes a top end and a bottom end opposite to the top end. A first cable outlet is provided on the bottom end, and a second cable outlet is provided on the top end. The first charging cable extends from the first cable outlet, and the second charging cable extends from the second cable outlet. A rim is provided on the inner side of the bottom end corresponding to the first cable outlet, forming a mounting groove communicating with the first cable outlet. A fixing part is provided on the first charging cable, and the fixing part is engaged in the mounting groove. The portion of the first charging cable extending outside the housing can be stored in the housing, and the second charging head of the second charging cable can be positioned in the housing, so that the second charging cable forms a hanging cord structure.

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] Mobile phones are currently the most frequently used electronic devices. To ensure that mobile phones have sufficient power, power banks have become one of the most popular 3C accessories. Power banks store electrical energy through their internal rechargeable batteries and charge mobile phones via a charging cable when needed.

[0003] Current power banks come with two built-in charging cables. One cable's charging head can be attached to the power bank and used as a lanyard, combining charging functionality with a hanging loop. The other cable functions as a regular charging cable and can be stored on the power bank's casing after use. However, both charging cables extend from the side of the casing, requiring more space in the width direction. This is inefficient in space utilization, and the cables are too wide, making them inconvenient to hold. Furthermore, the cables are not securely fixed at the exit points, making them easily pulled and affecting the electrical connection. Utility Model Content

[0004] This utility model provides a portable power bank that addresses the problem of both charging cables extending from the side of the casing, requiring more space in the width direction, resulting in inefficient space utilization, greater width, and inconvenience in gripping. Furthermore, the charging cables are not securely fixed at their exit points, making them easily pulled and affecting the electrical connection.

[0005] This utility model discloses a portable power supply, including a housing, a circuit board, a first charging cable, and a second charging cable; the circuit board is installed inside the housing, and the first charging cable and the second charging cable are electrically connected to the circuit board respectively; the housing includes a top end and a bottom end opposite to the top end, a first cable outlet is provided on the bottom end, and a second cable outlet is provided on the top end; the first charging cable is led out from the first cable outlet, and the second charging cable is led out from the second cable outlet;

[0006] The bottom inner side is provided with a rim corresponding to the first outlet, and the rim surrounds a mounting slot that communicates with the first outlet. A fixing part is provided on the first charging cable, and the fixing part is snapped into the mounting slot.

[0007] The portion of the first charging cable extending outside the housing can be stored within the housing, and the second charging head of the second charging cable can be positioned within the housing, so that the second charging cable forms a hanging cord structure.

[0008] Optionally, the bottom of the mounting slot is provided with a support rib, the side wall of the mounting slot is provided with a clamping rib, the bottom of the fixing part is supported by the support rib, and the side of the fixing part is clamped to the clamping rib.

[0009] Optionally, a wire outlet notch is provided on the perimeter, and the first charging cable includes an inner wire that is connected to the fixing part. The inner wire is led out from the wire outlet notch and electrically connected to the circuit board.

[0010] Optionally, the inner wall of the housing is provided with a wire-clamping part, and a wire-clamping groove is formed between the wire-clamping part and the inner wall of the housing, and the inner wire is clamped in the wire-clamping groove.

[0011] Optionally, the circuit board is installed on the side near the top of the housing, and the internal wiring is laid along the inner sidewall of the bottom end and the inner sidewall of the housing to the circuit board.

[0012] Optionally, the housing includes a receiving groove, one end of which is connected to the second cable outlet and extends from the bottom to the side of the housing; the portion of the first charging cable leading out of the housing is an external cable, one end of which is provided with a first charging head, and the external cable can be received in the receiving groove from the bottom to the side of the housing.

[0013] The first charging head can be housed in the receiving slot on the side, and the second charging head can be positioned in the receiving slot on the side so that the second charging cable forms a hanging lanyard structure.

[0014] Optionally, the receiving slot on the side includes a positioning sub-slot, in which the second charging head can be received and the first charging head can be positioned.

[0015] Optionally, on the receiving slot, a gradually deepening groove is provided at the end of the positioning sub-slot corresponding to the first charging head, and the gradually deepening groove is connected to the positioning sub-slot; the depth of the gradually deepening groove gradually increases in the direction close to the positioning sub-slot.

[0016] Optionally, a narrowing opening is provided at the end of the positioning sub-slot away from the deepening groove. The width of the narrowing opening is smaller than the width of the positioning sub-slot so that the narrowing opening blocks the second charging head. Limiting flanges are provided on both sides of the narrowing opening to limit the two sides of the second charging head.

[0017] Optionally, a first magnet and a second magnet are provided on the inner wall of the side of the housing, corresponding to the positioning slot. The first magnet is magnetically attracted to the first charging head, and the second magnet is magnetically attracted to the second charging head.

[0018] 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 has a first cable outlet and a second cable outlet at the bottom and top of its shell, respectively. The first charging cable and the second charging cable of the portable power bank are led out from the first cable outlet and the second cable outlet, respectively, that is, the first charging cable and the second charging cable are led out from the bottom and the top, respectively. In this way, it does not need to occupy the space on the side of the portable power bank, which helps to reduce the space occupied in the width direction. The reduced width makes it easier to hold the portable power bank. At the same time, a fixing part is provided on the first charging cable, which is snapped into the mounting slot, improving the fixing firmness of the first charging cable and making it less likely to be pulled and affect the electrical connection. Attached Figure Description

[0019] 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:

[0020] Figure 1 This is a schematic diagram of a portable power bank according to an embodiment of the present invention;

[0021] Figure 2 This is another schematic diagram of a portable power bank according to an embodiment of the present invention;

[0022] Figure 3 This is an exploded view of the portable power bank according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the interior of the housing according to an embodiment of the present invention;

[0024] Figure 5 This is another internal schematic diagram of the housing in an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram showing the disassembly of the first charging cable, the second charging cable, and the housing in an embodiment of this utility model.

[0026] Figure 7 yes Figure 6 A magnified view of part A in the middle;

[0027] Figure 8 This is a schematic diagram of the first charging cable according to an embodiment of the present invention;

[0028] Figure 9 This is a schematic diagram of the second charging cable according to an embodiment of the present invention;

[0029] Figure 10 This is a schematic diagram of the receiving slot according to an embodiment of the present utility model;

[0030] Figure 11 This is a cross-sectional view of the housing of an embodiment of this utility model.

[0031] The labels for the attached figures are as follows:

[0032] 1. Housing; 11. Top; 111. Second cable outlet; 112. Insertion opening; 12. Bottom; 121. First cable outlet; 13. Surrounding edge; 131. Mounting slot; 132. Support rib; 133. Tightening rib; 134. Cable outlet notch; 15. Cable clamping part; 16. Cable clamping groove; 17. Receiving groove; 171. Positioning sub-groove; 172. Gradually deepening groove; 173. Narrowing opening; 174. Limiting protrusion; 175. Positioning protrusion; 18. Side; 2. Circuit board; 3. First charging cable; 31. Fixing part; 32. Inner wire; 33. Outer wire; 34. First charging head; 4. Second charging cable; 41. Second charging head; 42. Clamping part; 5. First magnet; 6. Second magnet; 7. Rechargeable battery; 8. Charging input interface; 9. Power output interface. Detailed Implementation

[0033] 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.

[0034] This utility model embodiment provides a portable power supply, such as... Figures 1 to 5 As shown, the power bank includes a housing 1, a circuit board 2, a first charging cable 3, and a second charging cable 4. The circuit board 2 is installed inside the housing 1, and the first charging cable 3 and the second charging cable 4 are electrically connected to the circuit board 2. The housing 1 includes a top end 11 and a bottom end 12 opposite to the top end 11. A first cable outlet 121 is provided on the bottom end 12, and a second cable outlet 111 is provided on the top end 11. The first charging cable 3 is led out from the first cable outlet 121, and the second charging cable 4 is led out from the second cable outlet 111.

[0035] The inner side of the bottom end 12 is provided with a surrounding edge 13 corresponding to the first outlet 121. The surrounding edge 13 surrounds the mounting slot 131 that communicates with the first outlet 121. The first charging cable 3 is provided with a fixing part 31, which is engaged in the mounting slot 131.

[0036] The portion of the first charging cable 3 extending outside the housing 1 can be stored in the housing 1, and the second charging head 41 of the second charging cable 4 can be positioned in the housing 1 so that the second charging cable 4 forms a hanging rope structure.

[0037] The portable power bank of this invention has a first cable outlet 121 and a second cable outlet 111 at the bottom 12 and top 11 of its housing 1, respectively. The first charging cable 3 and the second charging cable 4 of the portable power bank are led out from the first cable outlet 121 and the second cable outlet 111, respectively. That is, the first charging cable 3 and the second charging cable 4 are led out from the bottom 12 and the top 11, respectively. In this way, the space occupied on the side of the portable power bank is not required, which helps to reduce the space occupied in the width direction. The width is reduced, making it easier to hold the portable power bank. At the same time, the first charging cable 3 is provided with a fixing part 31, which is snapped into the mounting slot 131, improving the fixing firmness of the first charging cable 3 and making it less likely to be pulled and affect the electrical connection.

[0038] Specifically, the first charging cable 3 and the second charging cable 4 are both built-in charging cables of the power bank, and both can charge mobile phones and other electronic devices. The circuit board 2, as a power bank circuit distribution and control component, can be implemented using solutions known to those skilled in the art, and will not be described in detail here.

[0039] The second charging cable 4 forms a lanyard structure, allowing the user to suspend or carry the power bank via the second charging cable 4. Furthermore, as... Figure 9 As shown, the second charging cable 4 also has a locking part 42, which locks against the second cable outlet 111 inside the housing 1, thereby preventing the second charging cable 4 from being pulled out of the power bank and preventing unstable electrical connection. One end of the first charging cable 3 and the second charging cable 4 are soldered to the circuit board 2 to achieve electrical connection with the circuit board 2. The circuit board 2 is fixed inside the housing 1 by screws. A rechargeable battery 7 is also provided inside the housing 1. The rechargeable battery 7 is the power storage and power supply component of the power bank and is electrically connected to the circuit board 2. The circuit board 2 is provided with a charging input interface 8 and a power output interface 9. The charging input interface 8 is a Type-C interface for charging the rechargeable battery 7. The power output interface 9 is a Type-A interface. The power bank can also connect other charging cables besides the first charging cable 3 and the second charging cable 4 to charge the mobile phone through the Type-A interface, which will not be described in detail here. Specifically, the charging input interface 8 and the power output interface 9 are exposed through two corresponding plug-in openings 112 on the top end 11.

[0040] Specifically, such as Figures 6 to 8As shown, the bottom of the mounting slot 131 is provided with a support rib 132, and the side wall of the mounting slot 131 is provided with a clamping rib 133. The bottom of the fixing part 31 is supported by the support rib 132, and the side 18 of the fixing part 31 is clamped to the clamping rib 133. The support rib 132 can support the fixing part 31, so that the fixing part 31 is in a predetermined position. The clamping rib 133 clamps to the side 18 of the fixing part 31, thereby fixing the fixing part 31, so that the connection of the first charging cable 3 lead-out position is firm and stable. Multiple support ribs 132 and clamping ribs 133 are provided to improve the fixing effect on the fixing part 31.

[0041] A cable outlet notch 134 is provided on the perimeter 13. The first charging cable 3 includes an inner wire 32, which is connected to the fixing part 31. The inner wire 32 is led out from the cable outlet notch 134 and electrically connected to the circuit board 2. The notch on the perimeter 13 facilitates the lead-out of the inner wire 32 from the mounting slot 131, allowing it to be smoothly laid to the circuit board 2 and electrically connected to it. Specifically, one end of the inner wire 32 is soldered to the circuit board 2 to achieve the electrical connection between the first charging cable 3 and the circuit board 2.

[0042] The inner wall of the housing 1 is provided with a wire-holding part 15, and a wire-holding groove 16 is formed between the wire-holding part 15 and the inner wall of the housing 1. The inner wire 32 is held in the wire-holding groove 16. By providing the wire-holding part 15 and forming the wire-holding groove 16 between the wire-holding part 15 and the inner wall of the housing 1, the inner wire 32 can be installed and positioned within the housing 1, avoiding messy wiring. Multiple wire-holding parts 15 can be provided at intervals to fix the inner wire 32 at different positions. Specifically, the inner wire 32 is vertically inserted into the wire-holding groove 16, saving space and reducing the width of the power bank.

[0043] Specifically, inside the housing 1, the circuit board 2 is installed on the side near the top 11, and the internal wiring 32 is laid along the inner side wall of the bottom 12 and the inner side wall of the side 18 of the housing 1 to the circuit board 2. The internal wiring 32 is laid close to the inner side wall of the bottom 12 and the inner side wall of the side 18 of the housing 1, which can make greater use of space and keep the wiring orderly and neat.

[0044] The housing 1 includes a receiving slot 17, one end of which is connected to the second cable outlet 111 and extends from the bottom 12 to the side 18 of the housing 1. The portion of the first charging cable 3 extending outside the housing 1 is the outer wire 33, and one end of the outer wire 33 is provided with a first charging head 34. The outer wire 33 can be received in the receiving slot 17 from the bottom 12 to the side 18 of the housing 1. When the first charging cable 3 is not in use, its outer wire 33 portion can be stored in the receiving slot 17, realizing the storage of the first charging cable 3 and facilitating the storage and carrying of the power bank. The receiving slot 17 extends from the bottom 12 to the side 18 of the housing 1, making full use of the space at the bottom 12 and the side 18 of the housing 1, ensuring sufficient length to accommodate the first charging cable 3. At the same time, the first charging cable 3 can be set to a sufficient length to ensure that it is long enough during charging.

[0045] like Figure 10 As shown, multiple positioning protrusions 175 are provided on both sides of the receiving groove 17 corresponding to the outer wire 33. The positioning protrusions 175 improve the stability of the outer wire 33 storage and make it less likely for the outer wire 33 to accidentally come out of the receiving groove 17.

[0046] Furthermore, the first charging head 34 can be accommodated in the receiving slot 17 on the side 18, and the second charging head 41 can be positioned in the receiving slot 17 on the side 18, so that the second charging cable 4 forms a hanging lanyard structure. Both the first charging head 34 and the second charging head 41 are accommodated in the receiving slot 17 on the side 18, meaning that both are stored in the same location on the same side 18, with only one storage position for each, making it convenient for users to find and select both at the same location.

[0047] The receiving slot 17 on the side 18 includes a positioning sub-slot 171, in which the second charging head 41 can be received and the first charging head 34 can be positioned. The positioning sub-slot 171 is used for both storing the second charging head 41 and storing and positioning the first charging head 34, so that the second charging cable 4 forms a hanging rope structure.

[0048] Specifically, the width of the positioning sub-slot 171 is greater than the width of the other parts of the receiving slot 17, and the width of the positioning sub-slot 171 is adapted to the width of the first charging head 34 and the second charging head 41.

[0049] A gradually deepening groove 172 is provided at the end of the positioning sub-slot 171 corresponding to the first charging head 34, and the gradually deepening groove 172 is connected to the positioning sub-slot 171; the depth of the gradually deepening groove 172 gradually increases in the direction close to the positioning sub-slot 171. The setting of the gradually deepening groove 172 can make the transition at the connection between the external cable 33 and the first charging head 34 smoother when they are stored in the receiving slot 17, and avoid the first charging head 34 from accidentally detaching from the positioning sub-slot 171 due to excessive bending.

[0050] The positioning sub-slot 171 has a narrowing opening 173 at the end away from the deepening groove 172. The width of the narrowing opening 173 is smaller than the width of the positioning sub-slot 171, so that the narrowing opening 173 abuts against the second charging head 41. Limiting flanges 174 are provided on both sides of the narrowing opening 173, which are used to limit the two sides of the second charging head 41. The narrowing opening 173 forms a blocking and locking position against the second charging head 41, and the limiting flanges 174 further limit the second charging head 41, so that the second charging head 41 can be kept in the positioning sub-slot 171 even when used as a lanyard.

[0051] Furthermore, such as Figure 5 As shown, a first magnet 5 and a second magnet 6 are provided on the inner wall of the side surface 18 of the housing 1, corresponding to the positioning sub-slot 171. The first magnet 5 is magnetically attracted to the first charging head 34, and the second magnet 6 is magnetically attracted to the second charging head 41. Through the magnetic attraction of the first magnet 5 and the second magnet 6, the first charging head 34 and the second charging head 41 can be more stably positioned in the positioning sub-slot 171. Correspondingly, the first charging head 34 and the second charging head 41 can be provided with magnetic magnets, or the first charging head 34 and the second charging head 41 can be made of magnetically attracted magnets to form their outer shells, which are then magnetically attracted to the first magnet 5 and the second magnet 6.

[0052] 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 portable power bank, characterized in that, The device includes a housing, a circuit board, a first charging cable, and a second charging cable. The circuit board is installed inside the housing, and the first charging cable and the second charging cable are electrically connected to the circuit board. The housing includes a top end and a bottom end opposite to the top end. A first cable outlet is provided on the bottom end, and a second cable outlet is provided on the top end. The first charging cable is led out from the first cable outlet, and the second charging cable is led out from the second cable outlet. The inner side of the bottom end is provided with a rim corresponding to the first outlet, and the rim forms a mounting slot that communicates with the first outlet. A fixing part is provided on the first charging cable, and the fixing part is engaged in the mounting slot. The portion of the first charging cable extending outside the housing can be stored in the housing, and the second charging head of the second charging cable can be positioned in the housing so that the second charging cable forms a hanging cord structure.

2. The portable power bank according to claim 1, characterized in that, The bottom of the mounting slot is provided with a support rib, and the side wall of the mounting slot is provided with a clamping rib. The bottom of the fixing part is supported by the support rib, and the side of the fixing part is clamped to the clamping rib.

3. The portable power bank according to claim 2, characterized in that, A wire outlet notch is provided on the perimeter. The first charging cable includes an inner wire that is connected to the fixing part. The inner wire is led out from the wire outlet notch and electrically connected to the circuit board.

4. The portable power bank according to claim 3, characterized in that, The inner wall of the housing is provided with a wire-clamping part, and a wire-clamping groove is formed between the wire-clamping part and the inner wall of the housing, and the inner wire is clamped in the wire-clamping groove.

5. The portable power bank according to claim 3, characterized in that, Inside the housing, the circuit board is mounted on the side near the top, and the internal wiring is laid along the inner sidewall of the bottom end and the inner sidewall of the housing to the circuit board.

6. The portable power bank according to any one of claims 1 to 5, characterized in that, The housing includes a receiving groove, one end of which is connected to the second cable outlet and extends from the bottom end to the side of the housing; the portion of the first charging cable leading out of the housing is an external cable, one end of which is provided with a first charging head, and the external cable can be received in the receiving groove from the bottom end to the side of the housing. The first charging head can be accommodated in the receiving slot on the side, and the second charging head can be positioned in the receiving slot on the side so that the second charging cable forms a hanging cord structure.

7. The portable power bank according to claim 6, characterized in that, The receiving slot on the side includes a positioning sub-slot, in which the second charging head can be received and the first charging head can be positioned.

8. The portable power bank according to claim 7, characterized in that, On the receiving slot, a gradually deepening groove is provided at the end of the positioning sub-slot corresponding to the first charging head, and the gradually deepening groove is connected to the positioning sub-slot; the depth of the gradually deepening groove gradually increases in the direction close to the positioning sub-slot.

9. The portable power bank according to claim 8, characterized in that, The positioning sub-slot has a narrowing opening at one end away from the deepening groove. The width of the narrowing opening is smaller than the width of the positioning sub-slot, so that the narrowing opening blocks the second charging head. Limiting protrusions are provided on both sides of the narrowing opening, and the limiting protrusions are used to limit the two sides of the second charging head.

10. The portable power bank according to claim 7, characterized in that, On the inner wall of the side of the housing, a first magnet and a second magnet are provided corresponding to the positioning slot. The first magnet is magnetically attracted to the first charging head, and the second magnet is magnetically attracted to the second charging head.

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