CN212571255U - Button cell with steel sheet structure - Google Patents
Button cell with steel sheet structure Download PDFInfo
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- CN212571255U CN212571255U CN202020452188.4U CN202020452188U CN212571255U CN 212571255 U CN212571255 U CN 212571255U CN 202020452188 U CN202020452188 U CN 202020452188U CN 212571255 U CN212571255 U CN 212571255U
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- steel sheet
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- button cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a button cell with steel sheet structure, which comprises an upper steel shell, a lower steel shell, a soft package battery core, an insulating annular colloid and a steel sheet assembly, wherein the insulating annular colloid is provided with an annular accommodating groove, the side wall of the upper steel shell is embedded in the annular accommodating groove, and the insulating annular colloid and the upper steel shell cover are combined in the lower steel shell; the steel sheet assembly comprises an upper steel sheet and a lower steel sheet, the upper steel sheet is welded on the upper surface of the upper steel shell, and the lower steel sheet is welded on the lower surface of the lower steel shell. The utility model relates to a button cell with steel sheet structure through setting up steel sheet and lower steel sheet, can improve the hardness of box hat effectively to through set up insulating annular colloid on last box hat, can also improve battery structural stability and insulating nature.
Description
Technical Field
The utility model relates to a button cell field especially relates to a button cell with steel sheet structure.
Background
The button cell is widely applied to various miniature electronic products due to small body size, the diameter is from 4.8mm to 30mm, and the thickness is from 1.0mm to 7.7 mm; back-up power supplies generally used for various electronic products, such as computer motherboards, electronic watches, electronic dictionaries, electronic scales, remote controllers, electric toys, cardiac pacemakers, electronic hearing aids, counters, cameras, and the like; button cells are also classified into two major types, chemical cells and physical cells, and the chemical cells are most commonly used. They consist of an anode (positive electrode), a cathode (negative electrode), and an electrolyte solution thereof. The surface of the electrolyte tank is made of stainless steel materials and serves as a positive electrode, a negative electrode of the electrolyte tank is a stainless steel circular cover, a sealing ring is arranged between the positive electrode and the negative electrode and is insulated, the sealing ring is made of nylon, and the sealing ring can play an insulating role and also can prevent electrolyte from leaking. Button cells are in a wide variety, and most of them are named after the materials used, such as silver oxide cells, lithium cells, alkaline manganese cells, and the like.
The existing button battery generally welds the positive electrode lug on the bottom shell and welds the negative electrode lug on the top shell, however, no matter the bottom shell or the top shell, because the existing lug is soft and not enough in hardness, the installation and welding are inconvenient during the battery assembly; in addition, the existing top case and bottom case are easy to have poor structural stability or insulation after being assembled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a button cell with steel sheet structure, can drawing forth utmost point ear, conveniently assemble to can also improve battery structural stability and insulating nature.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a button cell with steel sheet structure, includes upper steel shell, lower steel shell and laminate polymer core, button cell still includes:
the insulating annular colloid is provided with an annular accommodating groove, the side wall of the upper steel shell is embedded in the annular accommodating groove, and the insulating annular colloid and the upper steel shell are covered in the lower steel shell; and
the steel sheet assembly comprises an upper steel sheet and a lower steel sheet, the upper steel sheet is welded on the upper surface of the upper steel shell, and the lower steel sheet is welded on the lower surface of the lower steel shell.
In one embodiment, the soft package battery cell comprises a battery cell body, a positive electrode tab and a negative electrode tab, wherein the battery cell body, the positive electrode tab and the negative electrode tab are respectively accommodated in the upper steel shell, the negative electrode tab is welded on the upper steel shell, and the positive electrode tab is welded on the lower steel shell.
In one embodiment, the upper steel sheet comprises a first welding sheet body and a first external sheet body, the first welding sheet body is arranged on the upper surface of the upper steel shell, and the first external sheet body is connected with the first welding sheet body.
In one embodiment, the first welding sheet body and the first external connecting sheet body are of an integrally formed structure.
In one embodiment, the first welding piece is welded to the upper surface of the upper steel shell by resistance welding or laser welding.
In one embodiment, the first weld tab and the first outboard tab are disposed perpendicular to each other.
In one embodiment, the lower steel sheet comprises a second welding sheet body and a second external sheet body, the second welding sheet body is arranged on the upper surface of the lower steel shell, and the second external sheet body is connected with the second welding sheet body.
In one embodiment, the second welding sheet body and the second external connecting sheet body are of an integrally formed structure.
In one embodiment, the second welding piece is welded to the upper surface of the lower steel shell by resistance welding or laser welding.
In one embodiment, the second weld tab and the second outer tab are disposed perpendicular to each other.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a button cell with steel sheet structure through setting up steel sheet and lower steel sheet, can draw forth utmost point ear, conveniently assembles to through set up insulating annular colloid on last box hat, can also improve battery structural stability and insulating nature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a button cell having a steel sheet structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an insulating ring colloid and an upper steel shell of the button cell shown in FIG. 1;
fig. 3 is a schematic structural diagram of a soft package cell of the button battery shown in fig. 1;
fig. 4 is a schematic structural diagram of a pouch core of the button battery shown in fig. 1 from another view angle.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a button cell with a steel sheet structure includes an upper steel shell 100, a lower steel shell 200, and a soft package battery cell 300, and the button cell further includes: the insulating ring-shaped colloid 400 and the steel sheet assembly 500, it should be noted that the upper steel shell 100 is used for placing a soft package battery cell, and the lower steel shell 200 is used for assembling with the upper steel shell, so as to wrap the whole soft package battery cell; the soft package battery cell 300 is used for providing electric energy; the insulating annular colloid 400 is used for realizing the isolation of the upper steel shell and the lower steel shell, so that the insulating effect is realized, and the condition of mutual conduction is avoided; the steel sheet assembly 500 is used for leading out tabs, is convenient to assemble, and improves the safety and service life of the battery.
Referring to fig. 2, an annular receiving groove 410 is formed in the insulating annular colloid 400, a sidewall of the upper steel shell is embedded in the annular receiving groove, and the insulating annular colloid and the upper steel shell are enclosed in the lower steel shell. It should be noted that, by the arrangement of the annular accommodating groove, the side wall of the upper steel shell can be effectively coated inside, that is, the side wall of the upper steel shell is provided with the insulating colloid, so that the insulation of the upper steel shell and the lower steel shell is effectively realized.
Referring to fig. 1, the steel sheet assembly 500 includes an upper steel sheet 510 welded to an upper surface of the upper steel shell and a lower steel sheet 520 welded to a lower surface of the lower steel shell. The upper steel sheet 510 is used for leading out a negative tab; the lower steel sheet 520 is used for leading out the positive lug, so that the lug can be led out and assembled, assembly is facilitated, and the steel structure is utilized, so that the hardness of the lug can be improved, and subsequent insertion and assembly are facilitated.
It should be further noted that, referring to fig. 3, the soft package battery cell 300 includes a battery cell body 310, a positive electrode tab 320 and a negative electrode tab 330, the battery cell body, the positive electrode tab and the negative electrode tab are respectively accommodated in the upper steel shell, the negative electrode tab is welded on the upper steel shell, and the positive electrode tab is welded on the lower steel shell. In this way, by arranging the anode tab 320 to be welded with the lower steel shell and by arranging the cathode tab 330 to be welded with the upper steel shell, the anode output can be conducted to the lower steel shell; and when the upper steel sheet 510 is welded with the upper steel shell and the lower steel sheet 520 is welded with the lower steel shell, the anode output can be connected to the lower steel sheet, and the cathode output is connected to the upper steel sheet, that is, the upper and lower steel sheets can not only lead out the anode and cathode ears, but also can realize the output of the anode and cathode of the power supply.
Referring to fig. 1, the upper steel sheet 510 includes a first welding sheet 511 and a first external sheet 512, the first welding sheet is disposed on the upper surface of the upper steel shell, and the first external sheet is connected to the first welding sheet. It should be noted that the first welding sheet 511 is used for welding on the steel shell, and the first external sheet 512 is used for connecting an external device or device.
It should be noted that the first welding sheet body and the first external sheet body are of an integrally formed structure. The first welding sheet body is welded on the upper surface of the upper steel shell in an electric resistance welding or laser welding mode. In this embodiment, the first welding sheet body and the first external sheet body are perpendicular to each other. So, through setting up the integrated into one piece structure for the structure is more stable, carries out welding operation more side.
Referring to fig. 4, the lower steel sheet 520 includes a second welding sheet 521 disposed on the upper surface of the lower steel shell and a second external sheet 522 connected to the second welding sheet. It should be noted that the second welding sheet 521 is used for welding on the steel shell, so that the whole lower steel sheet can be fixed; the second outer tab 522 is used to connect to an external device.
It should be noted that the second welding sheet body and the second external sheet body are an integrally formed structure. The second welding sheet body is welded on the upper surface of the lower steel shell in a resistance welding or laser welding mode. The second welding sheet body and the second outer connecting sheet body are arranged perpendicular to each other. So, through setting up integrated into one piece structure, can be so that the structure of steel sheet is more stable, and the welding is more firm.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a button cell with steel sheet structure through setting up steel sheet and lower steel sheet, can draw forth utmost point ear, conveniently assembles to through set up insulating annular colloid on last box hat, can also improve battery structural stability and insulating nature.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a button cell with steel sheet structure, includes upper steel shell, lower steel shell and laminate polymer core, its characterized in that, button cell still includes:
the insulating annular colloid is provided with an annular accommodating groove, the side wall of the upper steel shell is embedded in the annular accommodating groove, and the insulating annular colloid and the upper steel shell are covered in the lower steel shell; and
the steel sheet assembly comprises an upper steel sheet and a lower steel sheet, the upper steel sheet is welded on the upper surface of the upper steel shell, and the lower steel sheet is welded on the lower surface of the lower steel shell.
2. The button battery with the steel sheet structure according to claim 1, wherein the soft package battery cell comprises a battery cell body, a positive electrode tab and a negative electrode tab, the battery cell body, the positive electrode tab and the negative electrode tab are respectively accommodated in the upper steel shell, the negative electrode tab is welded on the upper steel shell, and the positive electrode tab is welded on the lower steel shell.
3. The button cell with the steel sheet structure as claimed in claim 1, wherein the upper steel sheet includes a first welding sheet and a first external sheet, the first welding sheet is disposed on an upper surface of the upper steel can, and the first external sheet is connected to the first welding sheet.
4. The button cell with the steel sheet structure as claimed in claim 3, wherein the first welding sheet and the first external sheet are an integrally formed structure.
5. The button cell with steel sheet structure as claimed in claim 3, wherein the first welding sheet is welded on the upper surface of the upper steel case by means of resistance welding or laser welding.
6. The button cell with a steel sheet structure as claimed in claim 3, wherein the first welding sheet and the first external sheet are disposed perpendicular to each other.
7. The button cell with the steel sheet structure as claimed in claim 1, wherein the lower steel sheet includes a second welding sheet and a second external sheet, the second welding sheet is disposed on the upper surface of the lower steel can, and the second external sheet is connected to the second welding sheet.
8. The button cell with the steel sheet structure as claimed in claim 7, wherein the second welding sheet and the second external sheet are an integrally formed structure.
9. The button cell with steel sheet structure as claimed in claim 7, wherein the second welded sheet is welded on the upper surface of the lower steel can by means of resistance welding or laser welding.
10. Button cell with a steel disc structure according to claim 7, characterized in that the second welding tab and the second outer tab are arranged perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452188.4U CN212571255U (en) | 2020-03-31 | 2020-03-31 | Button cell with steel sheet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452188.4U CN212571255U (en) | 2020-03-31 | 2020-03-31 | Button cell with steel sheet structure |
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| Publication Number | Publication Date |
|---|---|
| CN212571255U true CN212571255U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020452188.4U Active CN212571255U (en) | 2020-03-31 | 2020-03-31 | Button cell with steel sheet structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506955A (en) * | 2021-07-13 | 2021-10-15 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| CN113708017A (en) * | 2021-08-30 | 2021-11-26 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
-
2020
- 2020-03-31 CN CN202020452188.4U patent/CN212571255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506955A (en) * | 2021-07-13 | 2021-10-15 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| CN113708017A (en) * | 2021-08-30 | 2021-11-26 | 珠海冠宇电池股份有限公司 | Battery with a battery cell |
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