CN202871880U - Lower sealing structure for square batteries - Google Patents
Lower sealing structure for square batteries Download PDFInfo
- Publication number
- CN202871880U CN202871880U CN2012204286803U CN201220428680U CN202871880U CN 202871880 U CN202871880 U CN 202871880U CN 2012204286803 U CN2012204286803 U CN 2012204286803U CN 201220428680 U CN201220428680 U CN 201220428680U CN 202871880 U CN202871880 U CN 202871880U
- Authority
- CN
- China
- Prior art keywords
- insulation spacer
- insulating spacer
- battery cover
- sealing structure
- insulation
- 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a lower sealing structure for square batteries, and belongs to the technical field of chemical power supplies. The lower sealing structure comprises a post, a battery cover, a lower insulating spacer and an upper insulating spacer, wherein the lower insulating spacer has an external stepped appearance; the upper insulating spacer has a secondary internal stepped appearance, the upper step is matched with the boss of the post, and the lower end face is provided with a groove; the inner rings of the two insulating spacers are in contact with each other, and the battery cover is arranged in a gap between the outer rings of the two insulating spacers; a large O-shaped ring is arranged in the groove of the upper insulating spacer; a small O-shaped ring is arranged on the lower step of the upper insulating spacer; the underside of the lower insulating spacer is sequentially connected with a metal flat gasket and a thin nut. The lower sealing structure for square batteries disclosed by the utility model is compact in structure, good in sealing effect, excellent in electrical conductivity, and can satisfy the requirements on the sealing, insulation and high-rate discharge of square batteries.
Description
Technical field
The utility model relates to a kind of battery, and especially rectangular cell belongs to technical field of chemical power.
Background technology
At present
,The application of Ni-MH battery is more and more wider, requirement to battery performance is also more and more higher, particularly in hybrid power and pure electric bus field, require the heavy-current discharge of battery energy safety and stability, usually require discharging current at 200～300A, and require battery can be installed in the less space.And now most of square Ni-MH batteries adopt upper hermetically-sealed construction: the nut by fastening battery cover upper end reaches sealing effectiveness, and then the screw thread of electric current by pole, pole and nut junction plane to the nut is being passed on the connection wire; And the screw thread conductive area because being subjected to the restriction of height of nut and contact plane, can not fully satisfy instructions for use when using by the diameter of thread and highly decision under the heavy-current discharge condition, and height of nut increases the total height.
Summary of the invention
For the problems referred to above, the utility model provides a kind of rectangular cell of lower seal structure.
The technical scheme that its technical problem that solves the utility model adopts is: rectangular cell lower seal structure comprises pole and battery cover; Also comprise lower insulation spacer and upper insulation spacer; Lower insulation spacer is outer stairstepping; Upper insulation spacer is stairstepping in the secondary, and ladder cooperates with the boss of pole on it, and its lower surface is provided with groove; The inner ring contact of two insulation spacers, battery cover places the outer ring gap of two insulation spacers; Large O type circle places the groove of insulation spacer; Little O type circle places on the downstairs of insulation spacer; Successively connection metal flat shim and thin nut below the lower insulation spacer.
The beneficial effects of the utility model are, compact conformation, and sealing effectiveness is good, and electric conductivity is excellent, can satisfy the requirement of rectangular cell sealing, insulation and high-multiplying power discharge.Electric current directly passes to connect on the wire by the pole convex platform and conducts electricity, and contact area is large, and the internal resistance of whole battery is obviously reduced, thereby can satisfy the requirement of continual and steady heavy-current discharge; The bottom adopts the fastening height of total that makes of thin nut effectively to reduce, and has improved the volumetric specific energy of battery cell.
Description of drawings
Fig. 1 is the utility model general structure schematic diagram;
Fig. 2 is pole 1 front view among Fig. 1;
Fig. 3 is upper insulation spacer 4 structural representations among Fig. 1;
Fig. 4 is lower insulation spacer 3 structural representations among Fig. 1;
Fig. 5 is thin nut 5 structure charts among Fig. 1.
Parts and numbering among the figure:
1-pole, 2-battery cover, 3-lower insulation spacer, 4-upper insulation spacer, 5-thin nut,
6-flat metallic gasket, 7-large O type circle, 8-little O type circle.
Embodiment
Below in conjunction with embodiment the utility model is further specified.
Referring to Fig. 1--5, rectangular cell lower seal structure comprises pole 1 and battery cover 2; Also comprise lower insulation spacer 3 and upper insulation spacer 4; Lower insulation spacer 3 is outer stairstepping; Upper insulation spacer 4 is stairstepping in the secondary, and ladder cooperates with the boss of pole 1 on it, and its lower surface is provided with groove; The inner ring contact of two insulation spacers, battery cover 2 places the outer ring gap of two insulation spacers; Large O type circle 7 places the groove of insulation spacer 4; Little O type circle 8 places on the downstairs of insulation spacer 4; Successively connection metal flat shim 6 and thin nut 5 below the lower insulation spacer 3.
First little O type circle 8 is installed on the pole 1 lower surface boss face, then large O type circle 7 is installed in upper insulation spacer 4 groove location, upper insulation spacer 4 is installed on the pole 1 lower surface boss face again, again battery cover 2 is enclosed within on the pole 1, up and down insulation spacer 3, flat metallic gasket 6 of cover more afterwards tightened it with thin nut 5 at last.
Convex platform direct conduction and the contact area of pole 1 are large, the internal resistance of whole battery is obviously reduced, make it that heavy-current discharge performance be arranged, adopt lower insulation spacer 3 and upper insulation spacer 4 to reach insulation effect, the bottom adopts the thin nut 5 fastening height of total that make to reduce, adopt large O type circle 7, little O type circle 8 and upper insulation spacer 4 combination seals, make its sealing effectiveness better.Realize pole and battery cover insulation by upper and lower insulation spacer, reach fastening effect by the M12 hexagon thin nut.
Pole adopts the machine work moulding, can select as required unlike material, such as copper, steel etc.Upper and lower insulation spacer adopts injection mo(u)lding, is to guarantee insulation and sealing property, need select the easy injected plastics material about good insulating, fire-retardant, hardness 70 degree.
When this battery structure is connected in battery combination, be connected by bridging plate between battery and the battery, the convex platform conductive contact area of pole 1 large directly with battery between bridging plate contact, solve square Ni-MH battery and adopt upper hermetically-sealed construction by the problem of the nut transmission current on the fastening battery cover.
Claims (1)
1. a rectangular cell lower seal structure comprises pole (1) and battery cover (2); It is characterized in that, also comprise lower insulation spacer (3) and upper insulation spacer (4); Lower insulation spacer (3) is outer stairstepping; Upper insulation spacer (4) is stairstepping in the secondary, and ladder cooperates with the boss of pole (1) on it, and its lower surface is provided with groove; The inner ring contact of two insulation spacers, battery cover (2) places the outer ring gap of two insulation spacers; Large O type circle (7) places the groove of insulation spacer (4); Little O type circle (8) places on the downstairs of insulation spacer (4); Successively connection metal flat shim (6) and thin nut (5) below the lower insulation spacer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204286803U CN202871880U (en) | 2012-08-28 | 2012-08-28 | Lower sealing structure for square batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204286803U CN202871880U (en) | 2012-08-28 | 2012-08-28 | Lower sealing structure for square batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871880U true CN202871880U (en) | 2013-04-10 |
Family
ID=48038571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204286803U Expired - Lifetime CN202871880U (en) | 2012-08-28 | 2012-08-28 | Lower sealing structure for square batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202871880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058086A (en) * | 2016-07-15 | 2016-10-26 | 中天储能科技有限公司 | Cylindrical cathode cover for lithium ion battery riveting structure |
| WO2023133810A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and device using battery |
-
2012
- 2012-08-28 CN CN2012204286803U patent/CN202871880U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058086A (en) * | 2016-07-15 | 2016-10-26 | 中天储能科技有限公司 | Cylindrical cathode cover for lithium ion battery riveting structure |
| WO2023133810A1 (en) * | 2022-01-14 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and device using battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150915 Address after: 610000 1 groups of villages in the southern suburbs of Yongfeng Township, Chengdu hi tech Zone, Sichuan Patentee after: SICHUAN BAOSHENG INDUSTRY Co.,Ltd. Address before: 610091 B29, Huang Hai Road, dragon industrial port, Qingyang District, Chengdu, Sichuan, China Patentee before: SICHUAN BAOSHENG NEW ENERGY BATTERIES CO.,LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lower sealing structure for square batteries Effective date of registration: 20170531 Granted publication date: 20130410 Pledgee: Jintang County gold development and construction investment limited liability company Pledgor: Sichuan Baosheng Industry Co.,Ltd. Registration number: 2017510000030 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |