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Shell assembly of button cell, button cell and electronic product

A button battery and casing technology, which is applied to battery pack parts, electrical components, circuits, etc., can solve the problems of button battery quality and performance, poor sealing, impact, etc., to improve quality and performance, and good sealing , easy sealing effect

Active Publication Date: 2020-07-17
ZHUHAI COSMX BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the inside of the button battery is a closed space, the sealing is extremely important for the button battery. However, the button battery in the prior art has poor sealing performance, and there are safety hazards such as leakage, which will cause damage to the button battery. Detrimental effect on the quality and performance of the type battery

Method used

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  • Shell assembly of button cell, button cell and electronic product
  • Shell assembly of button cell, button cell and electronic product
  • Shell assembly of button cell, button cell and electronic product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] figure 1 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure 1 . figure 2 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure II . image 3 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure three . Figure 4 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure four . Figure 5 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure five . Figure 6 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure six . Figure 7 Sectional view of the button battery provided for Embodiment 1 of the present invention Figure seven . refer to Figure 1 to Figure 7 As shown, the present embodiment provides a shell assembly for a button battery.

[0075] The shell assembly 2 of the button battery includes a shell 21 an...

Embodiment 2

[0113] Figure 8 Sectional view of the button battery provided for the second embodiment of the present invention Figure 1 . Figure 9 for Figure 8 Schematic diagram of the structure of the bottom cover of the button battery. Figure 10 Sectional view of the button battery provided for the second embodiment of the present invention Figure II . Figure 11 for Figure 10 Schematic diagram of the structure of the bottom cover of the button battery. Figure 12 A bottom view of the button battery provided by Embodiment 2 of the present invention without the second casing. Figure 13 to Figure 17 It is a schematic diagram of the assembly process of the button battery provided by the second embodiment of the present invention. Figure 18 An exploded view of the button battery provided in Example 2 of the present invention. Such as Figure 8 to Figure 18 As shown, the present embodiment provides a shell assembly for a button battery.

[0114] The casing assembly 2 of the ...

Embodiment 3

[0128] This embodiment provides a button battery, which includes a battery cell and a shell assembly of the button battery.

[0129] The shell assembly of the button battery in this embodiment has the same structure as the shell assembly of the button battery provided in the above-mentioned embodiments, and can bring about the same or similar technical effects. Description of Examples.

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Abstract

The invention provides a shell assembly of a button cell, the button cell and an electronic product. The shell assembly of the button cell comprises a shell and a conductive part, the shell and the conductive part define an accommodating cavity for accommodating a battery cell of the button cell, the battery cell is provided with a first tab and a second tab; the first tab is electrically connected with the shell; and the second tab is electrically connected with the conductive part; the shell is provided with a through hole; the conductive part is arranged in the through hole in a penetratingmode; and a sealing rubber ring enabling the conductive part and the inner wall of the through hole to be sealed and insulated is arranged between the conductive part and the inner wall of the through hole. Wherein the shell comprises an upper shell with an opening in one end and a bottom cover for sealing the opening of the upper shell, a tab groove is formed in one surface of the bottom cover facing the battery cell , and at least part of the first tab is positioned in the tab groove and is connected with the tab groove, so that the sealing performance of the shell assembly of the button battery is improved.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 202010140708.2 and the application name "shell assembly of button battery, button battery and electronic product" submitted to the China Patent Office on March 3, 2020, the entire content of which is passed References are incorporated in this application. technical field [0002] The invention relates to the technical field of batteries, in particular to a shell assembly of a button battery, a button battery and electronic products. Background technique [0003] At present, button batteries have been widely used in various fields of daily life, such as: wearable products, electronic products, and medical products. [0004] Because the inside of the button battery is a closed space, the sealing is extremely important for the button battery. However, the button battery in the prior art has poor sealing performance, and there are safety hazards such as leakage, which will c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02H01M2/06H01M2/08H01M2/26H01M50/181H01M50/184H01M50/186H01M50/193H01M50/538
CPCH01M50/109H01M50/538H01M50/193H01M50/181H01M50/186H01M50/184Y02E60/10H01M50/216
Inventor 彭宁谢斌王永旺
Owner ZHUHAI COSMX BATTERY CO LTD
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