CN203607462U - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN203607462U CN203607462U CN201320821293.0U CN201320821293U CN203607462U CN 203607462 U CN203607462 U CN 203607462U CN 201320821293 U CN201320821293 U CN 201320821293U CN 203607462 U CN203607462 U CN 203607462U
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- CN
- China
- Prior art keywords
- battery
- group
- utmost point
- shell
- housing
- 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
Links
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000010261 cell growth Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Classifications
-
- 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)
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery, wherein a shell can prevent the battery from being elongated. The battery comprises the battery shell, wherein the bottom of the shell is in an inward sunken structure. The sunken structure can be an adducent arc-shaped face and further can be an adducent cylindrical step structure. Compared with existing battery structures, the internal pressure resistance of the battery can be improved so as to effectively prevent the problem of elongation of the battery caused by expansion. The bottom of the shell is in a gradually adducent sunken structure, so that the pressure on the bottom of the shell can be uniformly dispersed, and the shell is further not easy to deform. The battery disclosed by the utility model is simple in structure and convenient to manufacture, and the service life of the battery is prolonged and the safety of the battery is improved.
Description
Technical field
The utility model relates to a kind of battery, is specifically related to a kind of battery that prevents the elongated housing of battery that has.
Background technology
Importer produces the bottom shape that battery case bottom all maintains an equal level or protrudes outside shell at present as depicted in figs. 1 and 2.In the time that inner pressure of battery is too high, there will be the elongated phenomenon in the bulging end, and multiple batteries be in-line be connected time, this elongated phenomenon can be more obvious.While work, also can increase the weight of the elongated problem of battery under the condition of high temperature.So long-term use meeting causes harmful effect to battery, has potential safety hazard.
Summary of the invention:
The technical problems to be solved in the utility model is to provide a kind of battery, and its housing can prevent that battery is elongated, improves the anti-interior pressure energy power of battery.
Be a kind of battery in order to solve the problems of the technologies described above the technical solution of the utility model, comprise housing, be arranged at the pole on battery container end face, be arranged at the utmost point group in housing, the top of utmost point group is provided with back-up ring, the below of utmost point group is provided with lower back-up ring, the top of upper back-up ring is provided with insulating lid, it is characterized in that: the bottom of housing is inside sunk structure.
Preferably, the arc surface that sunk structure is interior receipts.
Preferably, the cylinder table stage structure that sunk structure is interior receipts.
Preferably, cylinder table stage structure comprises at least three step surfaces, and each step surface place diameter of a circle ecto-entad successively decreases successively.
Preferably, between utmost point group and pole, be provided with afflux ear.
Preferably, utmost point group comprises anodal group and negative pole group, between anodal group and negative pole group, is provided with barrier film.
The beneficial effects of the utility model are: the anti-interior pressure energy power that can improve battery, effectively prevent that cell expansion from causing elongated problem, the sunk structure that housing bottom is received in adopting gradually can disperse the suffered pressure housing of housing bottom itself to be also difficult for deforming uniformly.Useful life and the fail safe of the utility model raising battery simple in structure, easy to make.
Accompanying drawing explanation
Fig. 1 is the shell structure cross-sectional view of the existing battery of the first
Fig. 2 is the shell structure cross-sectional view of the existing battery of the second
Fig. 3 is the cross-sectional view of the utility model embodiment mono-battery
Fig. 4 is the section structural scheme of mechanism of the first housing of the utility model embodiment mono-
Fig. 5 is the cross-sectional view of the second housing of the utility model embodiment bis-
In figure:
1, the first housing 2, arc surface 3, the second housing 4, cylinder table stage structure 4.1 First terrace 4.2 second step face 4.3 the 3rd step surfaces 5, upper back-up ring 6, lower back-up ring 7, insulating lid 8, anodal group 9, negative pole group 10, barrier film 11, pole
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment mono-as shown in Figure 3, a kind of battery comprises housing, is arranged at the pole 11 on battery container end face, be arranged at the utmost point group in housing, the top of utmost point group is provided with back-up ring 5, the below of utmost point group is provided with lower back-up ring 6, and the top of upper back-up ring 5 is provided with insulating lid 7, is provided with afflux ear between utmost point group and pole, utmost point group comprises anodal group 8 and negative pole group 9, between anodal group 8 and negative pole group 9, is provided with barrier film 10.
As shown in Figure 4, the bottom of housing is inside sunk structure, the arc surface 2 that to comprise as the bottom of the first housing 1, the first housing 1 of battery case be interior receipts.Arc surface 2 being set can internally causing extruding force like this, improve the anti-interior pressure energy power of battery, effectively prevent that cell expansion from causing elongated problem, the pressure that disperses circular arc top to bear is understood in arranging of the arc surface 2 of receiving in bottom, and housing itself is also difficult for deforming.
Embodiment bis-is that from the difference of embodiment mono-hull shape is different, battery includes the second housing 3, the cylinder table stage structure 4 that the bottom of the second housing 3 is interior receipts as shown in Figure 5, this cylinder table stage structure 4 comprises three step surfaces, First terrace 4.1, second step face 4.2 and the 3rd step surface 4.3, the diameter ecto-entad of three step surface place cylinders successively decreases successively, the 3rd step surface 4.3 in bosom place causes inside extruding force in top to battery, and the structure of receiving gradually can be dispersed to whole housing by second step face 4.2 to First terrace 4.1 by top the 3rd step surface 4.3 pressures.The anti-interior pressure energy power that improves battery, effectively prevents that cell expansion from causing elongated problem, and housing itself is also difficult for deforming.The structure of other parts is identical with embodiment mono-.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (6)
1. a battery, comprise housing, be arranged at the pole (11) on battery container end face, be arranged at the utmost point group in described housing, the top of described utmost point group is provided with back-up ring (5), the below of described utmost point group is provided with lower back-up ring (6), the top of described upper back-up ring is provided with insulating lid (7), it is characterized in that: the bottom of described housing is inside sunk structure.
2. battery according to claim 1, is characterized in that: the arc surface (2) that described sunk structure is interior receipts.
3. battery according to claim 1, is characterized in that: the cylinder table stage structure (4) that described sunk structure is interior receipts.
4. battery according to claim 3, is characterized in that: described cylinder table stage structure comprises at least three step surfaces, and each step surface place diameter of a circle ecto-entad successively decreases successively.
5. battery according to claim 1, is characterized in that: between described utmost point group and described pole, be provided with afflux ear.
6. battery according to claim 1, is characterized in that: described utmost point group comprises anodal group and negative pole group, between described anodal group (8) and described negative pole group (9), is provided with barrier film (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821293.0U CN203607462U (en) | 2013-12-12 | 2013-12-12 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821293.0U CN203607462U (en) | 2013-12-12 | 2013-12-12 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607462U true CN203607462U (en) | 2014-05-21 |
Family
ID=50720124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320821293.0U Expired - Lifetime CN203607462U (en) | 2013-12-12 | 2013-12-12 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953034A (en) * | 2017-05-18 | 2017-07-14 | 芜湖中科智捷信息科技有限责任公司 | A kind of cylinder type lithium battery shell |
| CN113381099A (en) * | 2020-02-21 | 2021-09-10 | 比亚迪股份有限公司 | Battery case, battery pack, battery module and electric vehicle |
-
2013
- 2013-12-12 CN CN201320821293.0U patent/CN203607462U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953034A (en) * | 2017-05-18 | 2017-07-14 | 芜湖中科智捷信息科技有限责任公司 | A kind of cylinder type lithium battery shell |
| CN113381099A (en) * | 2020-02-21 | 2021-09-10 | 比亚迪股份有限公司 | Battery case, battery pack, battery module and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |