CN213212241U - Prevent short circuit type button cell cover plate subassembly - Google Patents
Prevent short circuit type button cell cover plate subassembly Download PDFInfo
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- CN213212241U CN213212241U CN202022101609.1U CN202022101609U CN213212241U CN 213212241 U CN213212241 U CN 213212241U CN 202022101609 U CN202022101609 U CN 202022101609U CN 213212241 U CN213212241 U CN 213212241U
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- rivet
- cover plate
- button cell
- type button
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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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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a prevent short circuit type button cell cover plate subassembly, including the cover plate piece, the insulating sealed glue of installation in the middle of the cover plate piece, installation rivet in the insulating sealed glue, rivet upper portion periphery erection joint piece, the rivet with set up first anti-rotation structure between the connection piece, the cover plate piece with it prevents rotation structure to set up the second between the insulating sealed glue. The utility model discloses simple structure, occupation space is little, and insulating sealed glue top is provided with connection piece safety wing, and the bottom is provided with rivet head safety wing, guarantees to lap the piece and has the processing burr or when taking place the bending in the use, can not arouse the battery short circuit with connection piece or rivet contact.
Description
Technical Field
The utility model belongs to the technical field of power battery, a prevent short circuit type button cell cover plate subassembly is related to.
Background
Button cells are also known as button cells and refer to cells that have a physical size similar to a small button. The button cell is widely applied to various miniature electronic products due to small body size, the diameter is from 4.0mm to 30mm, and the thickness is from 2.0 mm to 8.0 mm; the back-up power supply is generally used for various electronic products, such as computer mainboards, electronic watches, Bluetooth headsets, electronic scales, remote controllers, electric toys, cardiac pacemakers, electronic hearing aids, counters, cameras and the like.
An object of the utility model is to provide a prevent short circuit type button cell cover plate subassembly, this manufacturing method is simple, easy operation, leakproofness, insulating nature, good reliability, and can guarantee that apron piece both sides do not take place the contact with connection piece and rivet and arouse the battery short circuit.
Disclosure of Invention
An object of the utility model is to provide a prevent short circuit type button cell cover plate subassembly can solve battery electrolyte and leak and the surperficial swell scheduling problem, is provided with waist type rivet hole on this subassembly stainless steel sheet, realizes that nonrust steel sheet and PFA insulating sealed glue prevent changeing the function, advantages such as simple process, space utilization height, dependable performance.
According to the utility model provides a technical scheme: a short-circuit prevention type button battery cover plate component comprises a cover plate piece, insulating sealant is arranged in the middle of the cover plate piece, a rivet is arranged in the insulating sealant, a connecting piece protective wing is arranged at the top of the insulating sealant, a rivet head protective wing is arranged at the bottom of the insulating sealant, a connecting piece is arranged on the periphery of the upper portion of the rivet,
as a further improvement, the rivet with set up first anti-rotation structure between the connection piece, the cover plate piece with it prevents rotation structure to set up the second between the insulating sealed glue.
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, the first through-hole of rivet is opened in the connection piece, riveting gomphosis groove is opened to the first through-hole periphery of rivet.
As a further improvement, the first anti-rotation structure comprises a first anti-rotation notch, and the first anti-rotation notch is symmetrically arranged on the two sides of the first through hole of the rivet arranged on the connecting piece.
As a further improvement, the cover plate is provided with a sealing hole, the second anti-rotation structure comprises a second anti-rotation notch, and the second anti-rotation notch is symmetrically arranged on two sides of the sealing hole.
As a further improvement, the middle part of the insulating sealant is located in the sealing hole, a rivet second through hole is opened in the insulating sealant, the rivet second through hole is located rivet middle part periphery, open at the insulating sealant top has the connecting piece groove, open the insulating sealant bottom has the rivet head groove, the rivet head is located in the rivet head groove, the connecting piece is located in the connecting piece groove.
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 discloses simple structure, occupation space is little, and insulating sealed glue top is provided with connection piece safety wing, and the bottom is provided with rivet head safety wing, guarantees that the apron piece has the processing burr or when taking place the bending in the use, can not contact with connection piece or rivet, arouses the battery short circuit.
2: the rivet and the stainless steel connecting sheet are riveted into a rivet hole of the stainless steel sheet of the cover plate through a die riveting process so as to be tightly connected, and the diameter of the rivet is expanded through the die riveting process so as to compress PFA insulating sealant, thereby realizing the integral sealing performance of the short-circuit prevention type button battery cover plate assembly.
And 3, arranging a riveting and embedding groove on the stainless steel connecting sheet, and after the riveting and embedding groove is added, enabling the top material to flow into a step riveting hole in the front surface of the stainless steel connecting sheet after the riveting and expansion of the rivet so as to be tightly connected. The sealing performance and the reliability of the whole short-circuit prevention type button cell cover plate assembly are further improved.
4: the stainless steel sheet of the cover plate is provided with a second anti-rotation notch, so that the anti-rotation function of the stainless steel sheet and PFA insulating sealant is realized, and the tightness and reliability of the whole anti-short circuit type button battery cover plate assembly are further improved.
Drawings
Fig. 1 is the structural schematic diagram of the short-circuit-proof button cell cover plate assembly of the utility model.
Fig. 2 is a schematic diagram of the utility model before rivet-riveting of the short-circuit prevention type button cell cover plate component.
Fig. 3 is a schematic diagram of the utility model of preventing short circuit type button cell cover plate subassembly after rivet riveting.
Fig. 4 is a schematic diagram of the connection of the short-circuit prevention type button cell cover plate component of the utility model.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a schematic diagram of the cover plate sheet of the short-circuit prevention type button cell cover plate assembly of the utility model.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In fig. 1 to 6, 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 prevent short circuit type button cell cover plate subassembly, including the apron piece 3, the sealed 4 of insulating sealant of installation in the middle of the apron piece 3, installation rivet 1 in the sealed 4 of insulating sealant, the sealed 4 tops of insulating sealant are provided with connection piece safety wing 10, and the sealed 4 bottoms of insulating sealant is provided with rivet head safety wing 11. The periphery of the upper part of the rivet 1 is provided with a connecting sheet 2.
A first anti-rotation structure is arranged between the rivet 1 and the connecting piece 2, and a second anti-rotation structure is arranged between the cover plate piece 3 and the insulating sealant 4.
As shown in figure 3, the rivet 1 is a riveted structure, 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.
As shown in fig. 4, a first rivet through hole 5 is formed in the connecting sheet 2, a riveting and embedding groove 6 is formed in the periphery of the first rivet through hole 5, and the riveting and embedding groove 6 enables the connecting sheet 2 to slightly deform in the riveting process, so that the connecting sheet 2 is tightly attached to the rivet 1, and the connecting sheet 2 and the rivet 1 are better in connection and sealing effects.
The first anti-rotation structure comprises a first anti-rotation notch 7, and the first anti-rotation notch 7 is symmetrically arranged on two sides of a first through hole 5 of a rivet arranged on the connecting sheet 2.
Be provided with sealed hole 8 in the apron piece 3, the second prevents that the structure includes that the second prevents changeing breach 9, and the second prevents changeing breach 9 symmetry and sets up in sealed hole 8 both sides.
The middle part of the insulating sealant 4 is positioned in the sealing hole 8 of the cover plate piece 3, a rivet second through hole is formed in the insulating sealant 4, and the rivet second through hole is positioned on the periphery of the middle part of the rivet 1.
The rivet head 1-2 is located in the rivet head groove, and the connecting piece 2 is located in the connecting piece groove.
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.
A first anti-rotation structure is arranged between the rivet 1 and the connecting piece 2, and a second anti-rotation structure is arranged between the cover plate piece 3 and the insulating sealant 4.
The working process of the utility model is as follows:
the utility model discloses prevent that technical scheme that short circuit type button cell cover plate subassembly adopted does: a second anti-rotation notch 9 (shown in figure 6) is formed in a stainless steel sheet 3 of the cover plate, PFA insulating sealant 4 is tightly connected to the stainless steel sheet 3 of the cover plate through a mold injection molding process, part of the insulating sealant 4 is embedded into the second anti-rotation notch 9, a rivet 1 and a stainless steel connecting sheet 2 are riveted into a rivet hole of the stainless steel sheet 3 of the cover plate through a mold riveting process, part of the rivet 1 is embedded into a first anti-rotation notch 7 so as to be tightly connected, the rivet 1 is expanded in diameter through the mold riveting process, the PFA insulating sealant 4 is compressed, and the overall sealing performance of the short-circuit-proof type button battery cover plate assembly.
1: the top of the insulating sealant 4 is provided with a connecting sheet protective wing 10, the bottom of the insulating sealant 4 is provided with a rivet head protective wing 11, and the cover plate is guaranteed not to be contacted with a connecting sheet or a rivet to cause short circuit when processing burrs or bending occurs in use.
2: the utility model discloses prevent short circuit type button cell cover plate subassembly: the rivet 1 and the stainless steel connecting sheet 2 are riveted into a rivet hole of the stainless steel sheet 3 of the cover plate through a die riveting process so as to be tightly connected, and the diameter of the rivet 1 is expanded through the die riveting process so as to compress PFA insulating sealant 4, thereby realizing the integral sealing performance of the short-circuit prevention type button battery cover plate assembly.
And 3, arranging a riveting and embedding groove on the stainless steel connecting sheet 2, and after the riveting and embedding groove is added, enabling the top material to flow into a step riveting hole in the front surface of the stainless steel connecting sheet 2 after the rivet 1 is riveted and expanded so as to be tightly connected. The sealing performance and the reliability of the whole short-circuit prevention type button cell cover plate assembly are further improved.
4: the stainless steel sheet 3 of the cover plate is provided with a second anti-rotation notch 9, so that the anti-rotation function of the stainless steel sheet 3 and the PFA insulating sealant 4 is realized, and the sealing performance and the reliability of the whole anti-short circuit type button battery cover plate assembly are further improved.
Claims (10)
1. The utility model provides a prevent short circuit type button cell battery cover plate subassembly which characterized in that: the assembly comprises a cover plate sheet (3), an insulating sealant (4) is arranged in the middle of the cover plate sheet (3), a rivet (1) is arranged in the insulating sealant (4), a connecting sheet anti-protection wing (10) is arranged at the top of the insulating sealant (4), a rivet head anti-protection wing (11) is arranged at the bottom of the insulating sealant (4), and a connecting sheet (2) is arranged at the periphery of the upper portion of the rivet (1).
2. The short-circuit prevention type button cell cover plate assembly according to claim 1, wherein: the rivet is characterized in that a first anti-rotation structure is arranged between the rivet (1) and the connecting piece (2), and a second anti-rotation structure is arranged between the cover plate piece (3) and the insulating sealant (4).
3. The short-circuit prevention type button cell cover plate assembly according to 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).
4. The short-circuit prevention type button cell cover plate assembly according to claim 1, wherein: a first rivet through hole (5) is formed in the connecting sheet (2), and a riveting and embedding groove (6) is formed in the periphery of the first rivet through hole (5).
5. The short-circuit prevention type button cell cover plate assembly according to claim 2, wherein: the first anti-rotation structure comprises a first anti-rotation notch (7), and the first anti-rotation notch (7) is symmetrically arranged on two sides of a first rivet through hole (5) formed in the connecting sheet (2).
6. The short-circuit prevention type button cell cover plate assembly according to claim 2, wherein: sealed hole (8) have been seted up in apron piece (3), the second prevents that the structure includes that the second prevents changeing breach (9), the second prevents changeing breach (9) symmetry set up in sealed hole (8) both sides.
7. The short-circuit prevention type button cell cover plate assembly according to claim 2, wherein: the middle part of the insulating sealant (4) is located in a sealing hole (8) formed in the cover plate piece (3), a rivet second through hole is formed in the insulating sealant (4), the rivet second through hole is located in the periphery of the middle part of the rivet (1), a connecting piece groove is formed in the top of the insulating sealant (4), a rivet head groove is formed in the bottom of the insulating sealant (4), the rivet head (1-2) is located in the rivet head groove, and the connecting piece (2) is located in the connecting piece groove.
8. The short-circuit prevention type button cell cover plate assembly according to claim 1, wherein: the rivet (1) is made of aluminum alloy.
9. The short-circuit prevention type button cell cover plate assembly according to claim 1, wherein: the connecting piece (2) and the cover plate piece (3) are made of stainless steel materials.
10. The short-circuit prevention type button cell cover plate assembly according to claim 1, wherein: the insulating sealant (4) is PFA plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101609.1U CN213212241U (en) | 2020-09-22 | 2020-09-22 | Prevent short circuit type button cell cover plate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101609.1U CN213212241U (en) | 2020-09-22 | 2020-09-22 | Prevent short circuit type button cell cover plate subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213212241U true CN213212241U (en) | 2021-05-14 |
Family
ID=75822265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022101609.1U Active CN213212241U (en) | 2020-09-22 | 2020-09-22 | Prevent short circuit type button cell cover plate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213212241U (en) |
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2020
- 2020-09-22 CN CN202022101609.1U patent/CN213212241U/en active Active
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