CN206584969U - The inner bending attachment structure of battery cap and battery core - Google Patents
The inner bending attachment structure of battery cap and battery core Download PDFInfo
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- CN206584969U CN206584969U CN201621493477.9U CN201621493477U CN206584969U CN 206584969 U CN206584969 U CN 206584969U CN 201621493477 U CN201621493477 U CN 201621493477U CN 206584969 U CN206584969 U CN 206584969U
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- Prior art keywords
- collector plate
- battery
- extension
- barrier film
- connection sheet
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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 is related to the technical field of battery, disclose the inner bending attachment structure of battery cap and battery core, including battery cap, the second collector plate, the first collector plate and battery core, the extension of conductive base is in the splintery structure of separate type, and bending segment bends the side end for being resisted against barrier film；The side of first collector plate bottom is connected to the side of extension, and the first connection sheet is formed at the top of the first collector plate；The inside of second collector plate is connected to the lower surface of battery cap, and the outside of the second collector plate forms the second connection sheet, the second connection sheet and the closely sealed connection of the first connection sheet of the first collector plate；Doubling is placed between battery cap and barrier film structure after second connection sheet and the closely sealed connection of the first connection sheet inwardly.The extension of conductive base forms the multi-sheet structure of separation shape, extension bends the side end for being resisted against barrier film, first connection sheet is connected with the second connection sheet, and doubling is placed between battery cap and barrier film the structure after connection inwardly, increase the length of battery core barrier film section, increase the capacity of battery.
Description
Technical field
The utility model is related to the technical field of battery, more particularly to battery cap and battery core inner bending attachment structure.
Background technology
As electronic product is increasingly minimized, portability, the utilization of battery is more and more extensive, because battery structure is simple
Single, easy to carry, discharge and recharge is easy to operation, is not influenceed by outside climatic and temperature, stable and reliable for performance, so existing
Very big effect is played for the various aspects in social life.
Battery includes the cavity in housing, battery cap and battery core, housing with upper end open, and battery cap is sealed on
In the upper end open of housing, so, the inner chamber for forming battery is then surrounded between battery cap and housing, can be put in the inner chamber
Battery core is put, certainly, the capacity of the capacity of battery core then with battery is directly related.
In order to realize the function of battery, it is necessary to which battery cap is directly attached with battery core, generally, pass through collection
Electric piece is attached.Battery core includes conductive base and barrier film, and conductive base is in flat-shaped ring-shaped, can be copper foil or aluminium
Paper tinsel, barrier film is wrapped in the periphery at the middle part of conductive base, and the extension at barrier film two ends, electricity are extended in conductive base formation
Then it is to be connected the extension of battery core with battery cap by lug when core needs to be connected with battery cap.
In the prior art, the inner bending attachment structure of battery cap and battery core is formed in housing, and due to conductive base
Extension in being difficult to bend, so, cause the size-constrained of battery core, and the size of battery core is directly related with the capacity of battery,
The capacity of battery is caused to be difficult to increase, the capacity of battery is difficult to meet demand.
Utility model content
The purpose of this utility model is the inner bending attachment structure for providing battery cap and battery core, it is intended to solve existing skill
The problem of battery capacity is difficult to increase and is difficult to meet demand in art.
The utility model is achieved in that the inner bending attachment structure of battery cap and battery core, including battery cap,
Two collector plates, the first collector plate and battery core, the battery core include conductive base and barrier film, and barrier film is wrapped in described lead
The periphery at the middle part of electric base material, and conductive base formation extends the barrier film side end and in the splintery of separate type
The extension of structure, the bending segment bending is resisted against the side end of the barrier film；The side connection of first collector plate bottom
Side in the extension, the top of first collector plate extends upward, forms the first connection sheet；Second collector plate
Inside be connected to the lower surface of battery cap, the outside of second collector plate extends outwardly and bent down, forms second
Connection sheet, second connection sheet and the closely sealed connection of the first connection sheet of first collector plate；Second connection sheet and institute
The structure doubling inwardly after the closely sealed connection of the first connection sheet is stated to be placed between the battery cap and barrier film.
Further, second collector plate and the first collector plate distinguish structure in the form of sheets.
Further, the extension is towards laterally horizontal bending so that the closely sealed side in the barrier film in the extension
End.
Further, the extension after bending be located at first collector plate and the barrier film side end it
Between.
Further, the top of first collector plate is towards the side end of the barrier film against in the described first collection
The bending transition structure towards inner bending is formed between the side end of the top of electric piece and the extension.
Further, the middle part doubling of second connection sheet and the structure after the closely sealed connection of the first connection sheet.
Further, the first collector plate city doubling sheet, the bottom of first collector plate is connected to described
Positioned opposite two side of extension.
Compared with prior art, the utility model is provided battery cap and the inner bending attachment structure of battery core, conductive base
The extension of material forms the multi-sheet structure of separation shape, so, then arbitrarily and conveniently extension can be bent, and passes through arrangement
Second collector plate and the first collector plate, realize that the extension of battery cap and conductive base is connected, are supported by extension bending
The side end of barrier film is leaned against, the first connection sheet of the first collector plate is connected with the second connection sheet of the second collector plate, and even
Doubling is placed between battery cap and barrier film structure after connecing inwardly, is greatly reduced conductive base extension and is extended outwardly length
Degree, so, then can increase the length of battery core barrier film section, that is, add the capacity of battery.
Brief description of the drawings
Fig. 1 is the schematic perspective view that is connected with the first collector plate of extension for the battery core that the utility model embodiment is provided；
Fig. 2 is that the second collector plate that the utility model embodiment is provided connects the vertical of the first collector plate and battery cap respectively
Body schematic diagram；
Fig. 3 is the enlarged diagram at the A in Fig. 2；
Fig. 4 is that the second collector plate that the utility model embodiment is provided connects the first collector plate and battery cap and curved respectively
Schematic perspective view after folding；
Fig. 5 is the schematic diagram at the B in Fig. 4；
Fig. 6 is the schematic perspective view after the battery cap that the utility model embodiment is provided is connected with battery core；
Fig. 7 is that the solid that be connected with the first collector plate of extension for the battery core that another embodiment of the utility model is provided is illustrated
Figure.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Realization of the present utility model is described in detail below in conjunction with specific embodiment.
Shown in 1~Fig. 7 of reference picture, the preferred embodiment provided for the utility model.
The present embodiment provides the inner bending connection method of battery cap and battery core, for battery cap 105 and battery core to be entered
Row connection, battery core includes conductive base and barrier film, and conductive base is in flat-shaped ring-shaped, can be copper foil or aluminium foil, every
From the periphery at the middle part that film is wrapped in conductive base, and the extension 102 at barrier film two ends is extended in conductive base formation.
The inner bending connection method of battery cap and battery core, comprises the following steps：
1), the termination of the extension of conductive base is cut off so that the extension 102 of conductive base forms many of separation shape
Laminated structure, so, after the termination of the extension 102 of conductive base is removed, the extension 102 of conductive base then will not be by
The limitation of termination so that whole extension 102 can be towards lateral bending so that extension 102 can bend closely sealed in barrier film
101 side end；
2), shown in reference picture 1, the side of the bottom of the first collector plate 103 is connected on the side of extension 102, certainly,
It can such as be connect by a variety of connected modes towards sonic soldering；The top of first collector plate 103 extends upward, forms first and connects
Piece 104；
3), extension 102 is bent towards lateral so that extension 102 is attached to the side end of barrier film 101；
4), shown in reference picture 2-3, the second collector plate 106, second collector plate are connected in the lower surface of battery cap 105
106 inside is connected with the lower surface of battery cap 105, and the outside of the second collector plate 106 extends outwardly and bent down, is formed
Second connection sheet 107, the closely sealed connection of the first connection sheet 104 of the collector plate 103 of the second connection sheet 107 and first；
5), shown in 4~Fig. 6 of reference picture, by the structure court after the second connection sheet 107 and the closely sealed connection of the first connection sheet 104
Interior doubling, and be placed in after doubling between battery cap 105 and barrier film 101.
The battery cap of above-mentioned offer and the inner bending connection method of battery core so that the extension 102 of conductive base is formed
The multi-sheet structure of shape is separated, so, then arbitrarily and conveniently extension 102 can be bent, by arranging the second collector plate
106 and first collector plate 103, realize that battery cap 105 is connected with the extension 102 of conductive base, it is curved by extension 102
Folding is resisted against the side end of barrier film 101, by the second of the first connection sheet 104 of the first collector plate 103 and the second collector plate 106
Connection sheet 107 is connected, and the structure doubling inwardly after connection is placed between battery cap 105 and barrier film 101, is greatly reduced and is led
Electric base material extension 102 extends outwardly length, so, then can increase the length of 101 sections of battery core barrier film, that is, add
The capacity of battery.
In above-mentioned steps 1) in, in order that the extension 102 of conductive base forms the splintery structure of separation shape, can be with
Before conductive base and barrier film parcel, then first conductive base is processed so that the conductive base after being wrapped
Extension 102 formed separation shape splintery structure；Or or conductive base be isolated after film parcel, then directly
Two terminations of the extension 102 of conductive base are cut off, can also realize that the extension 102 of electric base material forms many of separation shape
The effect of laminated structure.
In the present embodiment, the second collector plate 106 and the first collector plate 103 distinguish structure in the form of sheets, so, are easy to second
The connection of the collector plate 103 of collector plate 106 and first and arrangement.
Or, as other embodiment, shown in reference picture 7, the city doubling sheet of the first collector plate 103, the first collector plate 103
Bottom be connected to positioned opposite two side of extension 102.
In step 3) in, extension 102 is towards laterally horizontal bending so that the closely sealed side in barrier film 101 in extension 102
Extension 102 behind portion, also, bending is located between the first collector plate 103 and the side end of barrier film 101, so, is easy to pair
First collector plate 103 is handled；The top of first collector plate 103 is vertically bent outwardly, forms the first connection vertically bent
Piece 104.
In step 3) in, after extension 102 is bent, the side end of the top of the first collector plate 103 towards barrier film 101
Against so, the bending transition knot towards inner bending being formed between the end of the top of the first collector plate 103 and extension 102
Structure 108, so, reduces the length for occupying size, being further effectively increased barrier film 101 of the end of battery core barrier film 101 as far as possible
Size.
In step 5) in, by the middle part direction electricity of the structure after the second connection sheet 107 and the closely sealed connection of the first connection sheet 104
Extruded between pond top cover 105 and barrier film 101 so that the structure after the second connection sheet 107 and the closely sealed connection of the first connection sheet 104
Doubling is placed between battery cap 105 and barrier film 101.
In the present embodiment, the inner bending attachment structure of battery cap and battery core, including battery cap 105, are additionally provided
Two collector plates 106, the first collector plate 103 and battery core, wherein, battery cap 105 is used for the upper end open for being sealed on housing, electricity
Core is placed in the inner chamber of housing, and battery core includes conductive base and barrier film 101, wherein, barrier film 101 is wrapped in conductive base
The periphery at middle part, the two ends of conductive base are extended outside the side end of barrier film 101, form extension 102, extension 102
Termination forms the multi-sheet structure of separation shape by excision, and extension 102 bends the side end for being resisted against barrier film 101.
On the closely sealed extension 102 in bottom of first collector plate 103, the top of the first collector plate 103 extends upward, forms first
Connection sheet 104；The inside of second collector plate 106 is connected to the lower surface of battery cap 105, the outside court of the second collector plate 106
Outer extension, and bend down, the second connection sheet 107 is formed, second connection sheet 107 is closely sealed to be connected in the first connection sheet 104,
Also, the second connection sheet 107 be connected with the first connection sheet 104 after structure doubling inwardly, be placed in battery cap 105 and barrier film
Between 101.
Above-mentioned formation is in battery cap and the inner bending attachment structure of battery core, because the extension 102 of conductive base is formed
The multi-sheet structure of shape is separated, so, then arbitrarily and conveniently extension 102 can be bent, by arranging the second collector plate
106 and first collector plate 103, realize that battery cap 105 is connected with the extension 102 of conductive base, the first collector plate 103
First connection sheet 104 is formed at top, and the outside of the second collector plate 106 is bent to form the second connection sheet 107 down, by the first connection
The closely sealed connection of 104 and second connection sheet of piece 107, be placed in after the structure doubling doubling inwardly after closely sealed connection battery cap 105 with
Between barrier film 101, so so that the physical dimension of the whole side formation of battery core barrier film 101 is smaller, hence for fixed ruler
For very little housing, the size of barrier film 101 of battery core can then be greatly increased, and then add the capacity of battery.
In the present embodiment, the second collector plate 106 and the first collector plate 103 distinguish structure in the form of sheets, so, are easy to second
The connection of the collector plate 103 of collector plate 106 and first and arrangement.
Extension 102 is towards laterally horizontal bending so that the closely sealed side end in barrier film 101 in extension 102, also, curved
Extension 102 after folding is located at the inner side of the first collector plate 103, so, is easy to handle the first collector plate 103.
The top of first collector plate 103 towards barrier film 101 side end against so, on the top of the first collector plate 103
The bending transition structure 108 towards inner bending is formed between the end of extension 102, so, battery core barrier film is reduced as far as possible
The length dimension for occupying size, being further effectively increased barrier film 101 of 101 ends.
In addition, the horizontal arrangement of the second collector plate 106, so, for the ease of the second connection sheet 107 and the first connection sheet
Connection between 104, the then perpendicular shape bending of the second connection sheet 107.
In the present embodiment, the structure of the second connection sheet 107 and the closely sealed connection of the first connection sheet 104 is from middle part doubling, so,
It is easy to doubling to be placed between battery cap 105 and barrier film 101.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. the inner bending attachment structure of battery cap and battery core, it is characterised in that including battery cap, the second collector plate, first
Collector plate and battery core, the battery core include conductive base and barrier film, and barrier film is wrapped in the middle part of the conductive base
Periphery, and the conductive base formation extend the barrier film side end and in separate type splintery structure extension
Section, the extension bending is resisted against the side end of the barrier film；The side of first collector plate bottom is connected to the extension
The side of section, the top of first collector plate extends upward, forms the first connection sheet；The inside connection of second collector plate
In the lower surface of battery cap, the outside of second collector plate extends outwardly and bent down, forms the second connection sheet, described
Second connection sheet and the closely sealed connection of the first connection sheet of first collector plate；Second connection sheet and first connection sheet
Structure doubling inwardly after closely sealed connection is placed between the battery cap and barrier film.
2. the inner bending attachment structure of battery cap as claimed in claim 1 and battery core, it is characterised in that second current collection
Piece and the first collector plate distinguish structure in the form of sheets.
3. the inner bending attachment structure of battery cap as claimed in claim 1 or 2 and battery core, it is characterised in that the extension
Section is towards laterally horizontal bending so that the closely sealed side end in the barrier film in the extension.
4. the inner bending attachment structure of battery cap as claimed in claim 1 or 2 and battery core, it is characterised in that after bending
The extension is located between first collector plate and the side end of the barrier film.
5. the inner bending attachment structure of battery cap as claimed in claim 1 or 2 and battery core, it is characterised in that described first
The top of collector plate is towards the side end of the barrier film against the side in the top of first collector plate and the extension
The bending transition structure towards inner bending is formed between end.
6. the inner bending attachment structure of battery cap as claimed in claim 1 or 2 and battery core, it is characterised in that described second
The middle part doubling of connection sheet and the structure after the closely sealed connection of the first connection sheet.
7. the inner bending attachment structure of battery cap as claimed in claim 1 or 2 and battery core, it is characterised in that described first
Collector plate is in doubling sheet, and the bottom of first collector plate is connected to positioned opposite two side of the extension
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493477.9U CN206584969U (en) | 2016-12-30 | 2016-12-30 | The inner bending attachment structure of battery cap and battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621493477.9U CN206584969U (en) | 2016-12-30 | 2016-12-30 | The inner bending attachment structure of battery cap and battery core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584969U true CN206584969U (en) | 2017-10-24 |
Family
ID=60109578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621493477.9U Active CN206584969U (en) | 2016-12-30 | 2016-12-30 | The inner bending attachment structure of battery cap and battery core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584969U (en) |
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2016
- 2016-12-30 CN CN201621493477.9U patent/CN206584969U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213200 Minghu Road, Jintan District, Changzhou City, Jiangsu Province, 399 Patentee after: Changzhou Redford Precision Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Gongming Dongkeng Town Guangming East Road No. 5 Patentee before: SHENZHEN RED FAIRY PRECISION TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |