Rechargeable battery with USB interface

By integrating the USB interface and the movable positive cap in the rechargeable battery, the problem of the rechargeable battery requiring a dedicated charger is solved, and more convenient charging and installation operations are achieved, while reducing production costs.

CN222826570UActive Publication Date: 2025-05-02DONGGUAN KING POWER DIGITAL TECH CO LTD
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Patent Information

Application Number
CN202421315707.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-05-02
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing rechargeable batteries need to be equipped with a special charger when charging, which is inconvenient to use and easy to forget, resulting in difficulty in charging.

Method used

Design a rechargeable battery with USB interface. By integrating the USB interface on the battery cell and PCBA board, and setting an active positive cap on the positive electrode, the exposed USB interface and the introductory cap are realized.

Benefits of technology

It makes the charging operation of the rechargeable battery more convenient, and the positive cap can be retracted during installation, which improves the convenience of use. It also has a simple structure and a low production cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

A rechargeable battery with a USB interface comprises a positive electrode upper cover, a PCBA board, a battery cell and a negative electrode column shell, the positive electrode upper cover covers the negative electrode column shell, a containing cavity for containing the PCBA board and the battery cell is defined by the positive electrode upper cover and the negative electrode column shell, the PCBA board is arranged between the battery cell and the positive electrode upper cover, a negative electrode of the battery cell is electrically connected with the negative electrode column shell, the PCBA board is provided with the USB interface, and the USB interface is connected with the PCBA board. The positive pole upper cover comprises an insulating cover and a positive pole cap movably arranged on the insulating cover, the insulating cover is provided with an avoiding hole for exposing the USB interface, the PCBA board is provided with a positive pole conductive end and a negative pole conductive end, the positive pole cap is electrically connected with the positive pole conductive end, and the negative pole shell is electrically connected with the negative pole conductive end.
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Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a rechargeable battery with a USB interface. Background Art

[0002] At present, rechargeable batteries are more and more widely used in daily life. Compared with disposable batteries, rechargeable batteries are not only convenient to use and reusable, but also reduce battery waste and conform to the concept of environmental protection. For traditional rechargeable batteries, when the power is low, they need to be charged with a dedicated charger, and the traditional rechargeable batteries must be installed in such a charger for charging. Moreover, it is easy for people to forget to bring the charger when they go out, which brings many inconveniences to people's use.

[0003] Therefore, in view of the problem that the current rechargeable battery needs to be charged with a dedicated charger, it is urgent to develop a new machine or new technology to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a rechargeable battery with a USB interface to solve the problem that the current rechargeable battery needs to be charged with a dedicated charger.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rechargeable battery with a USB interface comprises a positive electrode upper cover, a PCBA board, a battery cell and a negative electrode column shell, wherein the positive electrode upper cover is covered on the negative electrode column shell and forms a accommodating cavity for accommodating the PCBA board and the battery cell with the negative electrode column shell, the PCBA board is arranged between the battery cell and the positive electrode upper cover, the negative electrode of the battery cell is electrically connected to the negative electrode column shell, a USB interface is arranged on the PCBA board, the positive electrode upper cover comprises an insulating cover and a positive electrode cap movably arranged on the insulating cover, a avoidance hole for exposing the USB interface is arranged on the insulating cover, the PCBA board has a positive electrode conductive end and a negative electrode conductive end, the positive electrode cap is electrically connected to the positive electrode conductive end, and the negative electrode column shell is electrically connected to the negative electrode conductive end.

[0007] Furthermore, the PCBA board also includes a reset spring electrically connected to the positive conductive end of the PCBA board, one end of the reset spring abuts against the lower surface of the insulating cover, and the other end of the reset spring passes through the PCBA board and abuts against the positive electrode of the battery cell.

[0008] Furthermore, the positive electrode cap has a protruding portion and a first extending portion connected to the protruding portion, the protruding portion protrudes out of the upper surface of the insulating cover, the first extending portion passes through the insulating cover and is electrically connected to the positive conductive end of the PCBA board; when the reset spring contracts or stretches, the positive electrode cap moves in a direction close to or away from the battery cell.

[0009] Furthermore, the PCBA board also includes a reset spring electrically connected to the positive conductive end of the PCBA board, one end of the reset spring abuts against the positive cap and the positive cap is connected to the positive conductive end through the reset spring, and the other end of the reset spring is fixed to the PCBA board.

[0010] Furthermore, the positive electrode cap has a protruding portion and a limiting portion extending radially along the lower end of the protruding portion. The insulating cover is provided with a first movable hole corresponding to the protruding portion. The protruding portion is movably arranged in the first movable hole and the protruding portion protrudes out of the upper surface of the insulating cover. When the reset spring restores the elastic force, the limiting portion movably abuts against the lower surface of the insulating cover.

[0011] Furthermore, the USB interface is a Micro USB interface or a Type-C interface.

[0012] Furthermore, the PCBA board also includes a negative electrode connecting piece, which connects the negative electrode column shell and the negative electrode conductive end.

[0013] Furthermore, the insulating cover is interference-fitted with the inner side wall of the negative electrode column shell.

[0014] Furthermore, the rechargeable battery with a USB interface also includes a conical spring, and two ends of the conical spring respectively abut against the negative electrode of the battery cell and the inner bottom wall of the negative electrode column shell.

[0015] Furthermore, the rechargeable battery with a USB interface also includes a gasket, which is sleeved on the side wall of the battery cell and abuts against the inner side wall of the negative electrode column shell.

[0016] The utility model has the beneficial effects of a rechargeable battery with a USB interface: by combining the battery core with the USB interface of the PCBA board, and the USB interface is directly exposed, the charging operation of the rechargeable battery with a USB interface becomes more convenient; by movably setting the positive cap on the insulating cover, the positive cap of the rechargeable battery with a USB interface can shrink inward when being squeezed during the installation of the rechargeable battery with a USB interface on the electrical equipment, so that the installation operation of the rechargeable battery with a USB interface is smoother; in addition, the rechargeable battery with a USB interface has a simple structure and a low production cost. On the one hand, the rechargeable battery with a USB interface improves the convenience of people when using it; on the other hand, the rechargeable battery with a USB interface has a simple structure and a low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a rechargeable battery with a USB interface according to embodiment 1 of the present utility model.

[0018] Figure 2 for Figure 1 An exploded perspective view of a rechargeable battery with a USB port is shown.

[0019] Figure 3 for Figure 2 A three-dimensional view of the positive electrode cap of the positive electrode cover shown.

[0020] Figure 4 for Figure 2 A three-dimensional view of the insulating shell of the positive electrode cover is shown.

[0021] Figure 5 for Figure 2 A perspective view of the PCBA board is shown.

[0022] Figure 6 for Figure 1 A cross-sectional view of a rechargeable battery with a USB interface is shown.

[0023] Figure 7 for Figure 6 Enlarged cross-sectional view at point A in the middle.

[0024] Figure 8 This is a cross-sectional view of a rechargeable battery with a USB interface according to Embodiment 2 of the present utility model.

[0025] Fig. 9 for Figure 8 Enlarged cross-sectional view at point B.

[0026] Fig.10 for Figure 8 A three-dimensional view of the positive electrode cap of the positive electrode cover shown.

[0027] Fig.11 for Figure 8 A three-dimensional view of the insulating shell of the positive electrode cover is shown.

[0028] Fig.12 This is a cross-sectional view of a rechargeable battery with a USB interface according to embodiment 3 of the present utility model.

[0029] Fig.13 for Fig.12 Enlarged cross-sectional view at point C in the middle. DETAILED DESCRIPTION

[0030] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] The terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", "horizontal", etc. in the specification and claims of the utility model indicate directions or position relationships based on the directions or position relationships shown in the drawings, and are only for the clarity of expressing the technical solutions and the convenience of description, and therefore cannot be understood as limitations on the present application.

[0032] Embodiment 1:

[0033] See also Figure 1 , Figure 2 , Figure 4-Figure 7 A rechargeable battery with a USB interface comprises a positive electrode cover 10, a PCBA board 20, a battery cell 30 and a negative electrode column shell 40, wherein the positive electrode cover 10 covers the negative electrode column shell 40 and forms a housing cavity with the negative electrode column shell 40 for housing the PCBA board 20 and the battery cell 30, the PCBA board 20 is arranged between the battery cell 30 and the positive electrode cover 10, the negative electrode of the battery cell 30 is electrically connected to the negative electrode column shell 40, a USB interface 21 is arranged on the PCBA board 20, the positive electrode cover 10 comprises an insulating cover 12 and a positive electrode cap 11 movably arranged on the insulating cover 12, a avoidance hole 121 for exposing the USB interface 21 is provided on the insulating cover 12, the PCBA board 20 has a positive conductive end and a negative conductive end, the positive electrode cap 11 is electrically connected to the positive conductive end, and the negative electrode column shell 40 is electrically connected to the negative conductive end.

[0034] The insulating cover 12 is interference-fitted with the inner wall of the negative electrode column shell 40 , so that the positive electrode upper cover 10 is fixed on the negative electrode column shell 40 .

[0035] As described above, the rechargeable battery with a USB interface proposed by the utility model combines the battery cell 30 with the USB interface 21 of the PCBA board 20, and the USB interface 21 is directly exposed, so that the charging operation of the rechargeable battery with a USB interface becomes more convenient; the positive electrode cap 11 is movably arranged on the insulating cover 12, so that when the rechargeable battery with a USB interface is installed in an electrical device, the positive electrode cap 11 can shrink inward when being squeezed, so that the installation operation of the rechargeable battery with a USB interface is smoother; in addition, the rechargeable battery with a USB interface has a simple structure and a low production cost.

[0036] See also Figure 5 and Figure 6 The PCBA board 20 further includes a return spring 22 electrically connected to the positive conductive end of the PCBA board 20, one end of the return spring 22 abuts against the lower surface of the insulating cover 12, and the other end of the return spring 22 passes through the PCBA board 20 and abuts against the positive electrode of the battery cell 30. When the return spring 22 contracts or expands, the positive electrode cap 11 moves with the PCBA board 20 toward or away from the battery cell 30.

[0037] For more details, see Figure 3 , Figure 4 and Figure 7The positive electrode cap 11 has a protruding portion 111 and a first extension portion 112 connected to the protruding portion 111. The protruding portion 111 protrudes from the upper surface of the insulating cover 12, and the first extension portion 112 passes through the insulating cover 12 and is electrically connected to the positive conductive end of the PCBA board 20; the positive electrode cap 11 also has a second extension portion 113 arranged opposite to the first extension portion 112, and the second extension portion 113 passes through the insulating cover 12 and extends toward the PCBA board 20, but the second extension portion 113 is not connected to the PCBA board 20. The insulating cover 12 is provided with a second movable hole 122 and a third movable hole 123 corresponding to the first extension portion 112 and the second extension portion 113, respectively, and the first extension portion 112 and the second extension portion 113 are movably arranged in the second movable hole 122 and the third movable hole 123, respectively. The second extension portion 113 plays a role of limiting, and the second extension portion 113 makes the positive electrode cap 11 more stable during the elastic movement on the insulating cover 12. Figure 4-Figure 7 The USB interface 21 is a MicroUSB interface or a Type-C interface. The USB interface 21 is vertically arranged and faces the direction of the insulating cover 12 away from the battery cell 30. Corresponding to the USB interface 21, the avoidance hole 121 of the insulating cover 12 is opened on the upper surface of the insulating cover 12, and the USB interface 21 is exposed on the upper surface of the insulating cover 12.

[0038] See also Figure 5 The PCBA board 20 further includes a negative electrode connecting piece 23, and the negative electrode connecting piece 23 connects the negative electrode column shell 40 and the negative electrode conductive end.

[0039] See also Figure 2 and Figure 6 The rechargeable battery with a USB interface also includes a conical spring 50 and a gasket 60. The two ends of the conical spring 50 respectively abut the negative electrode of the battery cell 30 and the inner bottom wall of the negative electrode column shell 40. One end of the conical spring 50 is electrically connected to the battery cell 30, and the other end of the conical spring 50 is electrically connected to the negative electrode connecting piece 23 of the PCBA board 20 through the negative electrode column shell 40.

[0040] The gasket 60 is sleeved on the side wall of the battery cell 30 and abuts against the inner wall of the negative electrode column shell 40. The gasket 60 protects and fastens the battery cell 30 to prevent the battery cell 30 from colliding with the inner wall of the negative electrode column shell 40.

[0041] In addition, the battery cell 30 may be a rechargeable lithium battery or a rechargeable sodium battery, which has a higher energy density and a longer battery life.

[0042] Embodiment 2:

[0043] A rechargeable battery with a USB interface, whose structure is similar to that of the rechargeable battery with a USB interface in Example 1, except that:

[0044] See also Figure 8-Figure 11 One end of the return spring 22 abuts against the positive electrode cap 11 and the positive electrode cap 11 is connected to the positive electrode conductive end through the return spring 22, and the other end of the return spring 22 is fixed to the PCBA board 20. The positive electrode conductive end of the PCBA board 20 is electrically connected to the positive electrode of the battery cell 30.

[0045] More specifically, the positive electrode cap 11 has the protruding portion 111 and the limiting portion 114 extending radially along the lower end of the protruding portion 111. The insulating cover 12 is provided with a first movable hole 124 corresponding to the protruding portion 111. The protruding portion 111 is movably arranged in the first movable hole 124 and the protruding portion 111 protrudes out of the upper surface of the insulating cover 12. When the reset spring 22 restores the elastic force, the limiting portion 114 movably abuts against the lower surface of the insulating cover 12.

[0046] Embodiment 3:

[0047] A rechargeable battery with a USB interface, whose structure is similar to that of the rechargeable battery with a USB interface in Example 2, except that:

[0048] See also Fig.12 and Fig.13 , the USB interface 21 is arranged horizontally and faces the side wall of the insulating cover 12, and the opening direction of the USB interface 21 faces outward. Furthermore, corresponding to the USB interface 21, the avoidance hole 121 of the insulating cover 12 is opened on the side wall of the insulating cover 12, and the side wall of the negative column shell 40 is opened with a through hole 41; the USB interface 21 passes through the avoidance hole 121, and the through hole 41 is exposed to the negative column shell 40.

[0049] The utility model provides a rechargeable battery with a USB interface with beneficial effects: on the one hand, the rechargeable battery with a USB interface improves the convenience of people's use; on the other hand, the rechargeable battery with a USB interface has a simple structure and a low production cost.

[0050] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A rechargeable battery with a USB interface, characterized in that: The invention comprises a positive electrode upper cover, a PCBA board, a battery cell and a negative electrode column shell, wherein the positive electrode upper cover is covered on the negative electrode column shell and forms a accommodating cavity with the negative electrode column shell for accommodating the PCBA board and the battery cell, the PCBA board is arranged between the battery cell and the positive electrode upper cover, the negative electrode of the battery cell is electrically connected to the negative electrode column shell, a USB interface is arranged on the PCBA board, the positive electrode upper cover comprises an insulating cover and a positive electrode cap movably arranged on the insulating cover, a avoidance hole for exposing the USB interface is arranged on the insulating cover, the PCBA board has a positive electrode conductive end and a negative electrode conductive end, the positive electrode cap is electrically connected to the positive electrode conductive end, and the negative electrode column shell is electrically connected to the negative electrode conductive end.

2. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The PCBA board also includes a reset spring electrically connected to the positive conductive end of the PCBA board, one end of the reset spring abuts against the lower surface of the insulating cover, and the other end of the reset spring passes through the PCBA board and abuts against the positive electrode of the battery cell.

3. The rechargeable battery with a USB interface as claimed in claim 2, characterized in that: The positive electrode cap has a protruding portion and a first extending portion connected to the protruding portion, the protruding portion protrudes out of the upper surface of the insulating cover, the first extending portion passes through the insulating cover and is electrically connected to the positive conductive end of the PCBA board; when the reset spring contracts or stretches, the positive electrode cap moves in a direction close to or away from the battery cell.

4. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The PCBA board also includes a reset spring electrically connected to the positive conductive end of the PCBA board, one end of the reset spring abuts against the positive cap and the positive cap is connected to the positive conductive end through the reset spring, and the other end of the reset spring is fixed to the PCBA board.

5. The rechargeable battery with a USB interface as claimed in claim 4, characterized in that: The positive electrode cap has a protruding portion and a limiting portion extending radially along the lower end of the protruding portion. The insulating cover is provided with a first movable hole corresponding to the protruding portion. The protruding portion is movably arranged in the first movable hole and the protruding portion protrudes out of the upper surface of the insulating cover. When the reset spring restores the elastic force, the limiting portion movably abuts against the lower surface of the insulating cover.

6. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The USB interface is a MicroUSB interface or a Type-C interface.

7. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The PCBA board also includes a negative electrode connecting piece, and the negative electrode connecting piece connects the negative electrode column shell and the negative electrode conductive end.

8. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The insulating cover is interference-fitted with the inner side wall of the negative electrode column shell.

9. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The rechargeable battery with a USB interface also includes a conical spring, and two ends of the conical spring respectively abut against the negative electrode of the battery cell and the inner bottom wall of the negative electrode column shell.

10. The rechargeable battery with a USB interface as claimed in claim 1, characterized in that: The rechargeable battery with a USB interface further comprises a gasket, which is sleeved on the side wall of the battery core and abuts against the inner side wall of the negative electrode column shell.