CN203038988U - Upper cover of high-capacity square metal casing battery - Google Patents
Upper cover of high-capacity square metal casing battery Download PDFInfo
- Publication number
- CN203038988U CN203038988U CN2012206539197U CN201220653919U CN203038988U CN 203038988 U CN203038988 U CN 203038988U CN 2012206539197 U CN2012206539197 U CN 2012206539197U CN 201220653919 U CN201220653919 U CN 201220653919U CN 203038988 U CN203038988 U CN 203038988U
- Authority
- CN
- China
- Prior art keywords
- cell cover
- main body
- electrode pole
- upper cover
- matrix
- Prior art date
- 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.)
- Expired - Lifetime
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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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- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses an upper cover of a high-capacity square metal casing battery, which comprises a battery upper cover main body, electrode posts, seal washers, nuts, extension handles and electrode tab connection sheets, wherein threaded circular horizontal grooves are formed in the upper cover main body; the electrode posts consist of upper matrices with vent holes, metal ring sheets, lower matrices with anti-explosion indentations, and external wrapping rings wrapping the upper matrices, the metal ring sheets and the lower matrices together; cylindrical structures are arranged on the seal washers, and used for isolating and insulating the electrode tab connection sheets from the nuts; the nuts are used for fastening and sealing the electrode posts, the upper cover main body and the seal washers integrally; and the extension handles are connected with the lower matrices of the electrode posts, and connected with the electrode tab connection sheets. The upper cover of the high-capacity square metal casing battery can improve the failure safety performance of the high-capacity square metal casing battery.
Description
Technical field
The utility model belongs to field of batteries, relates to a kind of big capacity square metal-back cell cover.
Background technology
Lithium rechargeable battery more and more quantizes development to high energy, uses more and more widely.Except mobile phone, notebook computer, electric tool etc. were used, electrokinetic cell was used and was rise trend in recent years, particularly became focus in the development and application aspect electric bicycle, hybrid vehicle, the pure electric automobile.
All in high 300mm, wide 600mm, thickness is in 30～80mm scope for jumbo steel, aluminum-shell battery stock size.The fail safe of such battery is the most important performance index in the middle of using; finished the safety guard of steel aluminum hull square battery with the method for explosion-proof indentation in the past; its accuracy and accuracy can't guarantee that all battery cuts off electric current on same degree or the same opportunity of losing efficacy, and open rupture pressure disc and make cell safety.
The utility model content
The technical problems to be solved in the utility model is the not high problem of fail safe performance of big capacity square metal-back battery, and a kind of novel big capacity square metal-back cell cover is provided.
The utility model solves above-mentioned technical problem by following technical proposals:
Cell cover comprises cell cover main body, electrode pole, seal washer, nut, extension stem and lug brace, has threaded circular hugging on the loam cake main body; The electrode pole by the last matrix that has steam vent, metal ring plate, have the following matrix of explosion-proof indentation and will go up the outsourcing circle that matrix, metal ring plate and following matrix wrap in together and form; Seal washer has a cylinder-like structure on it, be used for isolating and insulation lug brace and nut; Nut is used for electrode pole, loam cake main body and seal washer fit sealing is in aggregates; Extension stem is connected with the following matrix of electrode pole, and extension stem is connected with described lug brace.
Preferably, described electrode pole is Positive Poles or negative pole pole.
Preferably, described loam cake main body is aluminium alloy or nickel-plated steel material.
Preferably, described electrode pole external diameter is at 17.45～17.55mm, and the described upper surface of going up matrix exceeds loam cake main body upper surface 3.0～4.0mm, the steam vent on it and exterior.
Preferably, the overall diameter of described hugging is at 27.50～28.00mm; Internal diameter is at 17.55～17.65mm.
Preferably, described seal washer is the polytetrafluoroethylene sealing gasket circle.
Preferably, be connected by the laser welding mode between the following matrix of described extension stem and electrode pole.
Preferably, be connected by the ultra-sonic welded mode between described extension stem and the described lug brace.
Preferably, described outsourcing circle is PFA or the PET outsourcing circle that scribbles fluid sealant.
The positive and negative terminals of the big capacity square battery of roundlet column type loam cake conduct that utilization of the present invention is very ripe; adopt the mode of positive and negative terminals dual fail-safe; guarantee the safeguard protection after big capacity square battery lost efficacy; and utilize the very high and very high characteristics of safety valve precision of small column cell cover CID precision, the fail safe of big capacity square steel aluminum-shell battery is controlled in same degree.Such upper cover design can allow big capacity square battery be made significantly thicker safer.
Description of drawings
Fig. 1 is the utility model one embodiment cell cover vertical view.
Fig. 2 is the utility model one embodiment cell cover front view.
Fig. 3 is the utility model one embodiment cell cover profile.
Fig. 4 is the utility model one embodiment electrode pole profile.
Fig. 5 is following matrix enlarged drawing in the utility model one embodiment pole.
Fig. 6 is the utility model one embodiment seal washer schematic diagram.
Embodiment
Provide the utility model exemplary embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Referring to Fig. 1, electrode pole 1, cell cover main body 2 has the hugging of pole on it, the steam vent 3 on the pole.In the cell cover after assembling is installed, electrode pole 1 upper surface exceeds loam cake main body 2 upper surfaces 3.0～4.0mm.
Referring to Fig. 2, Fig. 3, cell cover main body 2, assembling electrode pole and nut on it; Nut 4 is used for electrode pole 1, seal washer 5 are formed cell cover with loam cake main body 2 fit sealings together; Seal washer 5 has cylinder-like structure, adopts insulating material to make, and present embodiment is the polytetrafluoroethylene sealing gasket circle, is used for isolating lug brace 6 and nut 4; Lug brace 6 is used for connecting extension stem and utmost point group lug, and realization electrode pole is connected with conduction between the utmost point group; With reference to figure 3 and Fig. 4, electrode pole 1 comprises simultaneously, and the outsourcing circle 7 that PEA or PET material are made plays 2 insulation of electrode pole 1 and cell cover main body and sealing function; Have steam vent upper diaphragm 8, it protrudes cell cover main body 2, be used for and other battery between connection in series-parallel; Following matrix 11 has explosion-proof trace 12 on it; With following matrix extension stem 9 welded together, thereon can soldering polar ear brace 6.
Next introduce the assembling mode of cell cover by reference to the accompanying drawings, in order to make those skilled in the art can more be expressly understood this utility model.
At first carry out the assembling of electrode pole: with reference to figure 1---Fig. 6, to go up matrix 8 stacks with Fig. 4 metal ring plate 13, following matrix 11, PFA or the PET outsourcing circle 7 that scribbles fluid sealant wrapped in the outside, to descend matrix 11 and extension stem 9 to weld together by laser welding then, by ultra-sonic welded lug brace 6 and extension stem weldering 9 are connected together at last, finish the assembling of electrode pole 1.
The electrode pole of then assembling being finished 1 crouches in the pole hugging of loam cake main body 2 into, and then the polytetrafluoroethylene sealing gasket circle 5 of packing into, with torque spanner nut 4 and loam cake main body is tightened, and finishes the assembling of whole novel loam cake.
Battery cover described in the utility model can be box hat or aluminum hull also, and the utility model does not impose any restrictions this, all is applicable to the utility model as long as can satisfy the needs of battery use.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection range of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to this execution mode under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.
Claims (9)
1. cell cover comprises cell cover main body, electrode pole, seal washer, nut, extension stem and lug brace, it is characterized in that, has threaded circular hugging on the described loam cake main body; Described electrode pole by the last matrix that has steam vent, metal ring plate, have the following matrix of explosion-proof indentation and will go up the outsourcing circle that matrix, metal ring plate and following matrix wrap in together and form; Described seal washer has a cylinder-like structure on it, be used for isolating and insulation lug brace and nut; Described nut is used for electrode pole, loam cake main body and seal washer fit sealing is in aggregates; Described extension stem is connected with the following matrix of electrode pole, and described extension stem is connected with described lug brace.
2. cell cover as claimed in claim 1 is characterized in that, described electrode pole is Positive Poles or negative pole pole.
3. cell cover as claimed in claim 1 is characterized in that, described electrode pole external diameter is at 17.45～17.55mm, and the described upper surface of going up matrix exceeds loam cake main body upper surface 3.0～4.0mm, the steam vent on it and exterior.
4. cell cover as claimed in claim 3 is characterized in that, the overall diameter of described hugging is at 27.50～28.00mm; Internal diameter is at 17.55～17.65mm.
5. cell cover as claimed in claim 1 is characterized in that, described seal washer is the polytetrafluoroethylene sealing gasket circle.
6. cell cover as claimed in claim 1 is characterized in that, is connected by the laser welding mode between the following matrix of described extension stem and electrode pole.
7. as claim 1 or 6 described cell covers, it is characterized in that, be connected by the ultra-sonic welded mode between described extension stem and the described lug brace.
8. cell cover as claimed in claim 1 is characterized in that, described outsourcing circle is PFA or the PET outsourcing circle that scribbles fluid sealant.
9. cell cover as claimed in claim 1 is characterized in that, the material of described loam cake main body is aluminium alloy or nickel-plated steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206539197U CN203038988U (en) | 2012-12-03 | 2012-12-03 | Upper cover of high-capacity square metal casing battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206539197U CN203038988U (en) | 2012-12-03 | 2012-12-03 | Upper cover of high-capacity square metal casing battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038988U true CN203038988U (en) | 2013-07-03 |
Family
ID=48691080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206539197U Expired - Lifetime CN203038988U (en) | 2012-12-03 | 2012-12-03 | Upper cover of high-capacity square metal casing battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203038988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335880A (en) * | 2020-09-24 | 2022-04-12 | 比亚迪股份有限公司 | Utmost point ear and laminate polymer battery |
-
2012
- 2012-12-03 CN CN2012206539197U patent/CN203038988U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335880A (en) * | 2020-09-24 | 2022-04-12 | 比亚迪股份有限公司 | Utmost point ear and laminate polymer battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIANJIN SINOPOLY BATTERY TECHNOLOGY CO., LTD. Effective date: 20131031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131031 Address after: 300450 Tianjin Binhai New Area, Mount Huangshan North Road, No. 20, No. Patentee after: TIANJIN SINOPOLY NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 300450 Tianjin Binhai New Area, Mount Huangshan North Road, No. 20, No. Patentee before: Tianjin Sinopoly Battery Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |