CN213340539U - Button cell cover plate subassembly - Google Patents
Button cell cover plate subassembly Download PDFInfo
- Publication number
- CN213340539U CN213340539U CN202022101706.0U CN202022101706U CN213340539U CN 213340539 U CN213340539 U CN 213340539U CN 202022101706 U CN202022101706 U CN 202022101706U CN 213340539 U CN213340539 U CN 213340539U
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- CN
- China
- Prior art keywords
- cover plate
- rivet
- piece
- button cell
- cell cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a button cell cover plate subassembly, including the apron piece, the insulating sealed glue of installation in the middle of the apron piece, installation rivet in the insulating sealed glue, rivet upper portion periphery erection joint piece, rivet upper portion are the rivet cap, and the bottom is the rivet head, and the middle part is equipped with the inflation flange, and it has sealed hole to open in the middle of the apron piece. The utility model has simple structure and small occupied space; the insulating sealant is tightly connected to the cover plate piece through a mold injection molding process, the rivet and the connecting piece are riveted into the sealing hole of the cover plate piece through a riveting process so as to be tightly connected, the diameter of the rivet is expanded through the riveting process so as to form an expansion flange, and the insulating sealant is compressed so as to realize the integral sealing performance of the button battery cover plate assembly.
Description
Technical Field
The utility model belongs to the technical field of the battery, a button cell cover plate subassembly is related to.
Background
The button cell is also called button cell, and refers to a cell with the external dimension like a small button, generally speaking, the diameter is larger, the thickness is thinner (compared with the columnar cell such as the cell with the number 5 AA on the market), the button cell is named by distinguishing the cell from the external shape, and the equivalent corresponding cell is classified into the columnar cell, the square cell and the like. The problems of battery electrolyte leakage, surface bulge and the like easily occur in the button battery.
An object of the utility model is to provide a structure and production method of button cell apron, this production method is simple, easy operation, and can guarantee the roughness and the stability of apron surface.
Disclosure of Invention
An object of the utility model is to provide a button cell cover plate subassembly can solve battery electrolyte and leak and surperficial swell scheduling problem.
According to the utility model provides a technical scheme: the utility model provides a button cell cover plate subassembly, includes the cover plate piece, install insulating sealed glue in the middle of the cover plate piece, install the rivet in the insulating sealed glue, rivet upper portion periphery installation connection piece.
As a further improvement, the rivet cap is arranged on the upper portion of the rivet, the rivet head is arranged on the bottom of the rivet, and the expansion flange is arranged in the middle of the rivet.
As a further improvement of the utility model, a sealing hole is arranged in the middle of the cover plate.
As a further improvement, the middle part of the insulating sealant is positioned in the sealing hole.
As a further improvement, the insulating sealant is provided with a mounting hole, and the mounting hole is positioned at the periphery of the middle part of the rivet.
As a further improvement, the rivet cap is located the sealed top of glue of insulation, the connection piece is located the sealed glue of insulation with between the rivet head.
As a further improvement of the utility model, the rivet material is an aluminum alloy.
As a further improvement of the utility model, the connecting sheet and the cover plate sheet are made of stainless steel materials.
As a further improvement of the utility model, the insulating sealant is PFA plastic.
The utility model discloses an actively advance the effect and lie in:
the utility model has simple structure and small occupied space; the insulating sealant is tightly connected to the cover plate piece through a mold injection molding process, the rivet and the connecting piece are riveted into a sealing hole of the cover plate piece through a mold riveting process so as to be tightly connected, the diameter of the rivet is expanded through the mold riveting process so as to form an expansion flange, and the insulating sealant is compressed so as to realize the integral sealing performance of the button battery cover plate assembly.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is the structure schematic diagram of the utility model after the installation.
Fig. 3 is a schematic structural view of the rivet of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In fig. 1 to 3, the connecting plate comprises a rivet 1, a connecting plate 2, a cover plate 3, an insulating sealant 4 and the like.
As shown in figure 1, the utility model relates to a button cell cover plate subassembly, including the apron piece 3, sealed 4 of glue is sealed in the middle of the 3 middle installation of apron piece, installation rivet 1 in the sealed 4 of glue of insulation, 1 upper portion periphery erection joint piece 2 of rivet.
As shown in figure 3, the upper part of the rivet 1 is a rivet cap 1-1, the bottom part is a rivet head 1-2, and the middle part of the rivet 1 is provided with an expansion flange 1-3.
The middle of the cover plate 3 is provided with a sealing hole.
The middle part of the insulating sealant 4 is positioned in the sealing hole of the cover plate piece 3, a mounting hole is formed in the insulating sealant 4, and the mounting hole is positioned on the periphery of the middle part of the rivet 1.
The rivet cap 1-1 is positioned above the insulating sealant 4, and the connecting sheet 2 is positioned between the insulating sealant 4 and the rivet head 1-2.
The rivet 1 is made of aluminum alloy. Has good ductility and conductivity.
The connecting piece 2 and the cover plate piece 3 are made of stainless steel materials.
The insulating sealant 4 is PFA plastic. The PFA plastic is a copolymer of a small amount of perfluoropropyl perfluorovinyl ether and polytetrafluoroethylene, and has strong sealing performance.
The working process of the utility model is as follows:
the insulating sealant 4 is tightly connected to the cover plate piece 3 through a mold injection molding process, the rivet 1 and the connecting piece 2 are riveted into a sealing hole of the cover plate piece 3 through a mold riveting process to be tightly connected, the diameter of the rivet 1 is expanded through the mold riveting process to form an expansion flange 1-3, the insulating sealant 4 is compressed, and the overall sealing performance of the cover plate assembly of the button battery is realized.
As shown in fig. 2, the cover plate assembly of the button cell and the stainless steel shell 5 are matched assemblies, after the stainless steel shell 5 is filled with the cell electrolyte 6, welding is performed through a laser welding process, so that the whole button cell is sealed, and after welding is completed, the finished cell is formed through detecting various performances. The battery pack discharges current and conducts electricity to the outside of the battery through the rivet 1.
Claims (9)
1. The utility model provides a button cell cover plate subassembly which characterized in that: the assembly comprises a cover plate piece (3), insulating sealant (4) is arranged in the middle of the cover plate piece (3), a rivet (1) is arranged in the insulating sealant (4), and a connecting piece (2) is arranged on the periphery of the upper portion of the rivet (1).
2. The button cell cover plate assembly of claim 1, wherein: the upper part of the rivet (1) is provided with a rivet cap (1-1), the bottom part is provided with a rivet head (1-2), and the middle part is provided with an expansion flange (1-3).
3. The button cell cover plate assembly of claim 1, wherein: the middle of the cover plate sheet (3) is provided with a sealing hole.
4. The button cell cover plate assembly of claim 3, wherein: the middle part of the insulating sealant (4) is positioned in the sealing hole.
5. The button cell cover plate assembly of claim 1, wherein: and a mounting hole is formed in the insulating sealant (4), and the mounting hole is positioned on the periphery of the middle part of the rivet (1).
6. The button cell cover plate assembly of claim 2, wherein: the rivet cap (1-1) is located above the insulating sealant (4), and the connecting piece (2) is located between the insulating sealant (4) and the rivet head (1-2).
7. The button cell cover plate assembly of claim 1, wherein: the rivet (1) is made of aluminum alloy.
8. The button cell cover plate assembly of claim 1, wherein: the connecting piece (2) and the cover plate piece (3) are made of stainless steel materials.
9. The button cell cover plate assembly of claim 1, wherein: the insulating sealant (4) is PFA plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101706.0U CN213340539U (en) | 2020-09-22 | 2020-09-22 | Button cell cover plate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101706.0U CN213340539U (en) | 2020-09-22 | 2020-09-22 | Button cell cover plate subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213340539U true CN213340539U (en) | 2021-06-01 |
Family
ID=76066166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022101706.0U Active CN213340539U (en) | 2020-09-22 | 2020-09-22 | Button cell cover plate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213340539U (en) |
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2020
- 2020-09-22 CN CN202022101706.0U patent/CN213340539U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |