Power bank

Abstract

The utility model belongs to the technical field of power banks, and particularly relates to a power bank which is integrally in a columnar battery shape and comprises a first cathode, a first anode, an outer cylinder, an upper cover, a circuit board assembly and a battery assembly. The first cathode is arranged at the bottom of the outer cylinder; the upper cover is fixedly arranged at the opening of the outer cylinder, and a charging hole, a discharging hole and an electrode hole are formed in the upper cover; the circuit board assembly is arranged at the bottom of the upper cover, the circuit board assembly comprises a circuit main board, a chip, a charging connector and a discharging connector are arranged on the circuit main board, the charging connector and the discharging connector are arranged in the charging hole and the discharging hole in a penetrating mode respectively, and a receding hole is formed in the circuit main board; the battery assembly is arranged in the outer cylinder, the negative electrode of the battery assembly is in contact with the first negative electrode, the positive electrode of the battery assembly is the first positive electrode, and the first positive electrode penetrates through the receding hole and the electrode hole to be exposed out of the upper cover. The multi-purpose water pump is multipurpose and can be suitable for various occasions and working conditions.

Description

Technical Field

[0001] The utility model belongs to the technical field of power banks, and in particular relates to a power bank. Background Art

[0002] With the advancement of urbanization, technology, and humanization, digital products have flourished, and an increasing number of electronic products have entered the market. This has led to an increase in the use of portable power banks, as well as the increasing risk of damage and inconvenience in carrying. A power bank is a device that can directly charge mobile devices and has its own power storage unit. Currently, the main category of multifunctional power banks on the market generally features a standard USB output, which can basically meet the needs of a variety of common mobile devices, such as mobile phones, MP3 players, digital cameras, and other digital products.

[0003] However, the current power banks often only have the function of charging, and their uses are relatively single, making it difficult to meet the various needs of users in today's society. Utility Model Content

[0004] The purpose of the present invention is to provide a power bank that is multi-purpose and can be used in a variety of occasions and working conditions in order to solve the above-mentioned technical problems.

[0005] In view of this, the present invention provides a power bank, which is in the shape of a cylindrical battery as a whole, including a first negative electrode and a first positive electrode, and the power bank includes:

[0006] an outer cylinder, the top of the outer cylinder is open, and the bottom of the outer cylinder is the first negative electrode;

[0007] An upper cover is fixedly arranged at the opening of the outer cylinder and is provided with a charging hole, a discharging hole and an electrode hole;

[0008] A circuit board assembly is provided at the bottom of the upper cover. The circuit board assembly includes a circuit main board. The circuit main board is provided with a chip, a charging connector, and a discharging connector. The charging connector and the discharging connector are respectively provided in the charging hole and the discharging hole. A clearance hole is provided on the circuit main board.

[0009] A battery assembly is arranged in the outer cylinder, and the battery assembly includes a positive electrode and a negative electrode. The circuit main board is connected to the positive electrode and negative electrode of the battery assembly through a wire. The negative electrode of the battery assembly is in contact with the first negative electrode. The positive electrode of the battery assembly is the above-mentioned first positive electrode. The first positive electrode is exposed to the outside of the upper cover through the clearance hole and the electrode hole.

[0010] In this technical solution, the power bank can charge the battery assembly through the charging port, and can also discharge through the discharge port to charge mobile phones and other electrical appliances. At the same time, the power bank itself can be used as a battery and placed in electrical appliances such as flashlights to directly serve as a battery to power the appliances. It is versatile and can be applied to a variety of occasions and working conditions.

[0011] Furthermore, the battery assembly includes:

[0012] A metal cylinder, wherein the metal cylinder is fixedly disposed in the outer cylinder, the upper portion of the metal cylinder is open, and a plurality of single cells are disposed in the metal cylinder, wherein the negative electrodes of the single cells are in contact with the bottom of the metal cylinder, and the bottom of the metal cylinder is in contact with the first negative electrode at the bottom of the outer cylinder;

[0013] The fixing seat is arranged at the opening of the metal cylinder, and a plurality of positioning holes are provided at the bottom of the fixing seat, which match the positive electrodes of the single cells. The first positive electrode is provided at one end of the fixing seat away from the single cell, and the fixing seat is made of conductive material.

[0014] Furthermore, there are three single batteries and three positioning holes.

[0015] Furthermore, the fixing seat is provided with three limiting blocks around the three positioning holes, and the limiting blocks are provided with arc surfaces. The arc surfaces of two adjacent limiting blocks are opposite to each other and form a space for limiting the outer peripheral surface of a single battery.

[0016] In this technical solution, three single batteries are combined to form a battery assembly, and the three batteries can be hidden in a metal tube to form an independent assembly, which can realize modular assembly and improve the storage capacity of the power bank.

[0017] Furthermore, the circumferential surface of the outer cylinder is made of insulating material.

[0018] Furthermore, an insulating frame is provided at the bottom of the circuit main board, and a side of the insulating frame away from the circuit main board is in contact with the fixing seat.

[0019] In this technical solution, the insulating frame can insulate the circuit main board from the fixing seat to ensure safety.

[0020] Furthermore, a power display screen is plugged into the circuit main board, and the power display screen is used to display the power of the battery assembly. A display hole is opened on the display cover, and the power display screen is cooperatively arranged in the display hole.

[0021] In this technical solution, it is convenient for the operator to understand the power level in real time and charge in time.

[0022] Furthermore, the circuit main board is provided with an annular light strip and buttons, the upper cover is light-transmissive, an operation hole is opened on the upper cover, and the button passes through the operation hole and is exposed outside the upper cover.

[0023] In this technical solution, by pressing the button, the light strip on the circuit main board can be lit, and the light can be transmitted through the upper cover to provide lighting.

[0024] Furthermore, the first positive electrode includes a small diameter section and a large diameter section, the large diameter section is located below the upper cover, and the diameter of the large diameter section is larger than the electrode hole, and the diameter of the small diameter section is smaller than the electrode hole.

[0025] In this technical solution, the small-diameter section and the large-diameter section form a step shape, which is convenient for axially limiting the first positive electrode, that is, axially limiting the battery assembly.

[0026] The beneficial effects of the utility model are:

[0027] 1. This power bank can charge the battery pack through the charging port, and can also discharge through the discharge port to charge mobile phones and other electrical appliances. At the same time, the power bank itself can be used as a battery and placed in electrical appliances such as flashlights to directly power the appliances as a battery. It is versatile and can be applied to a variety of occasions and working conditions.

[0028] 2. A battery assembly is formed by combining three single batteries. The three batteries can be hidden in a metal tube to form an independent assembly, which can realize modular assembly and improve the storage capacity of the power bank.

[0029] 3. The insulating frame can insulate the circuit board from the fixing seat to ensure safety.

[0030] 4. The battery level display screen allows the operator to understand the battery level in real time and charge the battery in time.

[0031] 5. Press the button to light up the light strip on the circuit board, and the light will shine through the upper cover to provide lighting.

[0032] 6. The small diameter section and the large diameter section form a step shape, which is convenient for axially limiting the first positive electrode, that is, axially limiting the battery assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a three-dimensional diagram of the utility model;

[0034] Figure 2 It is a cross-sectional view of the utility model;

[0035] Figure 3 It is an exploded view of the utility model;

[0036] Figure 4 It is an exploded view of part of the battery assembly;

[0037] Figure 5 It is a three-dimensional image of the upper cover;

[0038] Figure 6It is a three-dimensional diagram of the circuit board assembly.

[0039] The marks in the figure are:

[0040] 1. First negative electrode; 2. First positive electrode; 3. Outer tube; 4. Upper cover; 5. Circuit board assembly; 6. Battery assembly; 7. Charging port; 8. Discharge port; 9. Electrode hole; 10. Circuit board; 11. Charging connector; 12. Discharge connector; 13. Clearance hole; 14. Metal tube; 15. Fixing seat; 16. Single battery; 17. Positioning hole; 18. Limit block; 19. Arc surface; 20. Insulating frame; 21. Battery level display screen; 22. Display hole; 23. Light strip; 24. Button; 25. Small diameter section; 26. Large diameter section. DETAILED DESCRIPTION

[0041] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0042] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0043] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0044] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0045] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0046] Example 1

[0047] like Figure 1-6 As shown, a power bank is in the shape of a cylindrical battery as a whole, including a first negative electrode 1 and a first positive electrode 2. The power bank includes an outer cylinder 3, an upper cover 4, a circuit board assembly 5 and a battery assembly 6. The outer cylinder 3 is open at the top, and the circumferential surface of the outer cylinder 3 is made of insulating material. The bottom of the outer cylinder 3 is the above-mentioned first negative electrode 1, and the upper cover 4 is fixedly arranged at the opening of the outer cylinder 3. The upper cover 4 is provided with a charging hole 7, a discharge hole 8 and an electrode hole 9; the circuit board assembly 5 is arranged at the bottom of the upper cover 4, and the circuit board assembly 5 includes a circuit main board 10. The circuit main board 10 is provided with a chip, a charging connector 11 and a discharge connector 12. The charging connector 11 and the discharge connector 12 are respectively inserted into the charging hole 7 and the discharge hole 8. The circuit main board 10 is provided with a clearance hole 13;

[0048] The battery assembly 6 is disposed within the outer tube 3 and includes a positive electrode and a negative electrode. The circuit board 10 is connected to the positive and negative electrodes of the battery assembly 6 via wires. The negative electrode of the battery assembly 6 contacts the first negative electrode 1, while the positive electrode of the battery assembly 6 is the aforementioned first positive electrode 2, which is exposed to the exterior of the upper cover 4 through the clearance hole 13 and the electrode hole 9. The battery assembly 6 includes a metal tube 14 and a fixing base 15. The metal tube 14 is fixedly disposed within the outer tube 3 and has an opening at the top. A plurality of cells 16 are disposed within the metal tube 14, with the negative electrodes of the cells 16 contacting the bottom of the metal tube 14, which in turn contacts the first negative electrode 1 at the bottom of the outer tube 3. The fixing base 15 is disposed within the opening of the metal tube 14 and has multiple positioning holes 17 at its bottom that mate with the positive electrodes of the cells 16. The first positive electrode 2 is disposed at the end of the fixing base 15 away from the cells 16. The fixing base 15 is made of a conductive material.

[0049] The power bank can charge the battery assembly 6 through the charging port 7, and can also discharge the battery through the discharge port 8 to charge electrical appliances such as mobile phones. At the same time, the power bank itself can be used as a battery and can be placed in electrical appliances such as flashlights to directly serve as a battery to power the appliances. It is versatile and can be applied to various occasions and working conditions.

[0050] There are three cells 16 and three positioning holes 17. The fixing base 15 is provided with three stoppers 18 surrounding the three positioning holes 17. The stoppers 18 are provided with arcuate surfaces 19. The arcuate surfaces 19 of two adjacent stoppers 18 face each other and form a space for limiting the outer circumference of a cell 16.

[0051] The battery assembly 6 is formed by combining three single batteries 16. The three batteries can be hidden in the metal tube 14 to form an independent assembly, which can realize modular assembly and improve the storage capacity of the power bank.

[0052] An insulating frame 20 is provided at the bottom of the circuit main board 10, and the side of the insulating frame 20 away from the circuit main board 10 contacts the fixing seat 15. The insulating frame 20 can insulate the circuit main board 10 from the fixing seat 15 to ensure safety.

[0053] Example 2

[0054] like Figure 1-6 As shown, the circuit board 10 is plugged with a power display screen 21, which is used to display the power of the battery assembly 6. A display hole 22 is opened on the upper cover 4, and the power display screen 21 is matched with the display hole 22. It is convenient for the operator to understand the power in real time and charge in time.

[0055] The circuit board 10 is provided with an annular light strip 23 and a button 24. The upper cover 4 is light-transmissive and has an operation hole formed therein. The button 24 is exposed to the outside of the upper cover 4 through the operation hole. Pressing the button 24 illuminates the light strip 23 on the circuit board 10, and light is emitted from the upper cover 4, providing an illumination function.

[0056] The first positive electrode 2 includes a small diameter section 25 and a large diameter section 26. The large diameter section 26 is located below the upper cover 4. The diameter of the large diameter section 26 is larger than the electrode hole 9, while the diameter of the small diameter section 25 is smaller than the electrode hole 9. The small diameter section 25 and the large diameter section 26 form a stepped shape to facilitate axial positioning of the first positive electrode 2, that is, axial positioning of the battery assembly 6.

[0057] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A power bank, characterized in that The whole is in the shape of a cylindrical battery, including a first negative electrode (1) and a first positive electrode (2), and the power bank includes: An outer cylinder (3), the upper portion of the outer cylinder (3) is open, and the bottom portion of the outer cylinder (3) is the first negative electrode (1); An upper cover (4), the upper cover (4) is fixedly arranged at the opening of the outer cylinder (3), and the upper cover (4) is provided with a charging hole (7), a discharging hole (8) and an electrode hole (9); A circuit board assembly (5), the circuit board assembly (5) being arranged at the bottom of the upper cover (4), the circuit board assembly (5) comprising a circuit main board (10), a chip, a charging connector (11) and a discharging connector (12) being arranged on the circuit main board (10), the charging connector (11) and the discharging connector (12) being respectively arranged in the charging hole (7) and the discharging hole (8), and a clearance hole (13) being opened on the circuit main board (10); A battery assembly (6) is provided in the outer cylinder (3), the battery assembly (6) comprises a positive electrode and a negative electrode, the circuit main board (10) is connected to the positive electrode and the negative electrode of the battery assembly (6) via a wire, the negative electrode of the battery assembly (6) is in contact with the first negative electrode (1), the positive electrode of the battery assembly (6) is the first positive electrode (2), and the first positive electrode (2) is exposed outside the upper cover (4) through the clearance hole (13) and the electrode hole (9).

2. A power bank according to claim 1, characterized in that: The battery assembly (6) comprises: A metal cylinder (14), wherein the metal cylinder (14) is fixedly arranged in the outer cylinder (3), the upper portion of the metal cylinder (14) is open, a plurality of single cells (16) are arranged in the metal cylinder (14), the negative electrodes of the single cells (16) are in contact with the bottom of the metal cylinder (14), and the bottom of the metal cylinder (14) is in contact with the first negative electrode (1) at the bottom of the outer cylinder (3); A fixing seat (15) is provided at the opening of the metal cylinder (14); a plurality of positioning holes (17) are provided at the bottom of the fixing seat (15); the positioning holes (17) match the positive electrodes of the single cells (16); the first positive electrode (2) is provided at one end of the fixing seat (15) away from the single cells (16); and the fixing seat (15) is made of a conductive material.

3. A power bank according to claim 2, characterized in that: There are three single batteries (16) and three positioning holes (17).

4. A power bank according to claim 3, characterized in that: The fixing seat (15) is provided with three limiting blocks (18) surrounding the three positioning holes (17). The limiting blocks (18) are provided with arcuate surfaces (19). The arcuate surfaces (19) of two adjacent limiting blocks (18) are opposite to each other and form a space for limiting the outer peripheral surface of a single battery (16).

5. A power bank according to claim 1, characterized in that: The circumferential surface of the outer cylinder (3) is made of insulating material.

6. A power bank according to claim 2, characterized in that: An insulating frame (20) is provided at the bottom of the circuit main board (10), and a side of the insulating frame (20) away from the circuit main board (10) is in contact with the fixing seat (15).

7. The power bank according to claim 1, characterized in that: A power display screen (21) is plugged into the circuit main board (10), and the power display screen (21) is used to display the power level of the battery assembly (6). A display hole (22) is provided on the display upper cover (4), and the power display screen (21) is cooperatively arranged in the display hole (22).

8. The power bank according to claim 1, characterized in that: The circuit main board (10) is provided with an annular light strip (23) and a button (24); the upper cover (4) is light-transmissive; an operation hole is provided on the upper cover (4); and the button (24) passes through the operation hole and is exposed outside the upper cover (4).

9. The power bank according to claim 1, characterized in that: The first positive electrode (2) comprises a small diameter section (25) and a large diameter section (26), the large diameter section (26) is located below the upper cover (4), and the diameter of the large diameter section (26) is larger than the electrode hole (9), while the diameter of the small diameter section (25) is smaller than the electrode hole (9).

Images