CN203895539U - Upper spacer for cylindrical lithium ion batteries - Google Patents
Upper spacer for cylindrical lithium ion batteries Download PDFInfo
- Publication number
- CN203895539U CN203895539U CN201420276510.7U CN201420276510U CN203895539U CN 203895539 U CN203895539 U CN 203895539U CN 201420276510 U CN201420276510 U CN 201420276510U CN 203895539 U CN203895539 U CN 203895539U
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- CN
- China
- Prior art keywords
- fluid injection
- hole
- gasket
- groove
- gasket construction
- 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.)
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Classifications
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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
Abstract
The utility model discloses an upper spacer for cylindrical lithium ion batteries. The upper spacer comprises a spacer structure and an installation groove, wherein the installation groove is located below the spacer structure; the spacer structure and the installation groove are of an integral structure; at least one first liquid injecting through hole and a plurality of second liquid injecting through holes are formed in the spacer structure; the first liquid injecting through hole is formed at the center of the spacer structure; the second liquid injecting through holes are uniformly distributed at the edge of the spacer structure; a tab placing groove is arranged in the spacer structure; a groove structure is arranged in the upper surface of the spacer structure; and the first liquid injecting through hole, the second liquid injecting through holes and the tab placing groove are all arranged in the groove structure. The upper spacer disclosed by the utility model has the advantages that a plurality of liquid injecting through holes and square holes are designed in the spacer structure, so that the liquid injecting can be rapidly and conveniently carried out, the liquid is rapidly sunken and absorbed by a pole piece diaphragm and the time of electrolyte soaking is shortened; and the upper spacer is simple in structure and strong in practicality and has very high popularization and application values.
Description
[technical field]
The utility model relates to pad technical field, particularly the technical field of Upper gasket for column lithium ion battery.
[background technology]
For reaching multiplying power and cycle performance requirement, column lithium ion battery uses multiple positive pole ears conventionally.And there is following defect in existing Upper gasket: multiple positive pole ears are difficult to mate with the perforate of Upper gasket while passing Upper gasket simultaneously, cause the easy perk of Upper gasket after box hat slot rolling, degree of registration is inadequate, in the time that battery core is vibrated or is jolted, positive pole ear is very easily because distortion sustains damage, to the comprehensive electrochemical of battery, particularly the consistency of battery causes very large impact, in addition the fluid injection speed of existing Upper gasket is subject to the restriction of fluid injection through hole on gasket construction and pad, if fluid injection flow is excessive, liquid can not sink in time, the time that electrolyte soaks is longer, the installation sealing property of pad is poor.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of column lithium ion battery Upper gasket is proposed, in order to facilitate the convenient of fluid injection by the more multiple fluid injection through holes of design and square opening on gasket construction, being conducive to liquid sinks to being absorbed by pole piece barrier film rapidly, shorten the time that electrolyte soaks, the object that designs larger lug standing groove is the placement in order to facilitate positive pole ear, facilitate workman to operate and put Upper gasket, the shortening time, increase work efficiency, also convenient fluid injection operation simultaneously, the application's project organization is simple, practicality is very strong, there is very strong application value.
For achieving the above object, the utility model proposes a kind of column lithium ion battery Upper gasket, comprise gasket construction and mounting groove, described mounting groove is positioned at the below of gasket construction, mounting groove and the gasket construction structure that is formed in one, on described gasket construction, have at least one first fluid injection through hole and some the second fluid injection through holes, the first fluid injection through hole is positioned at the center of gasket construction, some the second fluid injection through holes are uniformly distributed in the edge of gasket construction, on gasket construction, be also provided with lug standing groove, described gasket construction upper surface offers groove structure, described the first fluid injection through hole, the second fluid injection through hole and lug standing groove are all positioned at groove structure.
As preferably, the cross section of described gasket construction and mounting groove is circular, and the size of mounting groove is less than the size of gasket construction, on described mounting groove, is arranged with sealing ring.
As preferably, the cross section of described the first fluid injection through hole is rectangle, and the cross section of the second fluid injection through hole is circular, and the second fluid injection through hole upper end size is greater than the second fluid injection through hole lower end size.
As preferably, the quantity of described the first fluid injection through hole is 1, and the quantity of the second fluid injection through hole is 5～7, and the angle of two lines that the center of circle of two adjacent the second fluid injection through holes becomes with the center of circle of gasket construction is respectively 25～40 °.
As preferably, the cross section of described lug standing groove is arcuate structure, and the radian of arcuate structure is 130～145 °.
The beneficial effects of the utility model: the utility model is in order to facilitate the convenient of fluid injection by the more multiple fluid injection through holes of design and square opening on gasket construction, being conducive to liquid sinks to being absorbed by pole piece barrier film rapidly, shorten the time that electrolyte soaks, the object that designs larger lug standing groove is the placement in order to facilitate positive pole ear, facilitate workman to operate and put Upper gasket, the shortening time, increase work efficiency, also convenient fluid injection operation simultaneously, the application's project organization is simple, practicality is very strong, has very strong application value.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[brief description of the drawings]
Fig. 1 is the plan structure schematic diagram of a kind of column lithium ion battery of the utility model Upper gasket;
Fig. 2 is the main TV structure schematic diagram of a kind of column lithium ion battery of the utility model Upper gasket;
Fig. 3 is the structural representation of the second fluid injection through hole in the utility model.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, a kind of column lithium ion battery Upper gasket of the utility model, comprise gasket construction 1 and mounting groove 2, described mounting groove 2 is positioned at the below of gasket construction 1, mounting groove 2 and gasket construction 1 structure that is formed in one, on described gasket construction 1, have at least one first fluid injection through hole 3 and some the second fluid injection through holes 4, the first fluid injection through hole 3 is positioned at the center of gasket construction 1, some the second fluid injection through holes 4 are uniformly distributed in the edge of gasket construction 1, on gasket construction 1, be also provided with lug standing groove 5, the cross section of described gasket construction 1 and mounting groove 2 is circular, the size of mounting groove 2 is less than the size of gasket construction 2, on described mounting groove 2, be arranged with sealing ring 21, described gasket construction 1 upper surface offers groove structure 11, described the first fluid injection through hole 3, the second fluid injection through hole 4 and lug standing groove 5 are all positioned at groove structure 11, the cross section of described the first fluid injection through hole 3 is rectangle, the cross section of the second fluid injection through hole 4 is circular, the second fluid injection through hole 4 upper end sizes are greater than the second fluid injection through hole 4 lower end sizes, the quantity of described the first fluid injection through hole 3 is 1, the quantity of the second fluid injection through hole 4 is 5～7, the angle of two lines that the center of circle of two adjacent the second fluid injection through holes 4 becomes with the center of circle of gasket construction 1 is respectively 25～40 °, the cross section of described lug standing groove 5 is arcuate structure, the radian of arcuate structure is 130～145 °.
The utility model course of work:
A kind of column lithium ion battery of the utility model with Upper gasket in the course of the work, by offer groove structure 11 on gasket construction 1, and in the interior design of groove structure 11 compared with the first fluid injection through hole 3 and a multiple second fluid injection through hole 4 that is positioned at edge that is positioned at center, and the second fluid injection through hole 4 upper end sizes are greater than the size of lower end, can be convenient carry out fluid injection, being conducive to liquid sinks to being absorbed by pole piece barrier film rapidly, shorten the time that electrolyte soaks, the object that designs larger lug standing groove 5 is the placement in order to facilitate positive pole ear, facilitate workman to operate and put Upper gasket, the shortening time, increase work efficiency, also convenient fluid injection operation simultaneously, and the mounting groove 2 of gasket construction 1 below can make more firm being installed in battery of Upper gasket, sealing ring 21 on mounting groove 2 has improved cell integrated sealing property, prevent the phenomenon of leakage, the application's project organization is simple, practicality is very strong, there is very strong application value.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection range of the present utility model.
Claims (5)
1. a column lithium ion battery Upper gasket, it is characterized in that: comprise gasket construction (1) and mounting groove (2), described mounting groove (2) is positioned at the below of gasket construction (1), mounting groove (2) and gasket construction (1) structure that is formed in one, on described gasket construction (1), have at least one first fluid injection through hole (3) and some the second fluid injection through holes (4), the first fluid injection through hole (3) is positioned at the center of gasket construction (1), some the second fluid injection through holes (4) are uniformly distributed in the edge of gasket construction (1), on gasket construction (1), be also provided with lug standing groove (5), described gasket construction (1) upper surface offers groove structure (11), described the first fluid injection through hole (3), the second fluid injection through hole (4) and lug standing groove (5) are all positioned at groove structure (11).
2. a kind of column lithium ion battery Upper gasket as claimed in claim 1, it is characterized in that: the cross section of described gasket construction (1) and mounting groove (2) is for circular, the size of mounting groove (2) is less than the size of gasket construction (2), is arranged with sealing ring (21) on described mounting groove (2).
3. a kind of column lithium ion battery Upper gasket as claimed in claim 1, it is characterized in that: the cross section of described the first fluid injection through hole (3) is rectangle, the cross section of the second fluid injection through hole (4) is circular, and the second fluid injection through hole (4) upper end size is greater than the second fluid injection through hole (4) lower end size.
4. a kind of column lithium ion battery Upper gasket as claimed in claim 1, it is characterized in that: the quantity of described the first fluid injection through hole (3) is 1, the quantity of the second fluid injection through hole (4) is 5～7, and the angle of two lines that the center of circle of two adjacent the second fluid injection through holes (4) becomes with the center of circle of gasket construction (1) is respectively 25～40 °.
5. a kind of column lithium ion battery Upper gasket as described in any one in claim 1 to 4, is characterized in that: the cross section of described lug standing groove (5) is arcuate structure, the radian of arcuate structure is 130～145 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276510.7U CN203895539U (en) | 2014-05-27 | 2014-05-27 | Upper spacer for cylindrical lithium ion batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276510.7U CN203895539U (en) | 2014-05-27 | 2014-05-27 | Upper spacer for cylindrical lithium ion batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895539U true CN203895539U (en) | 2014-10-22 |
Family
ID=51721900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420276510.7U Active CN203895539U (en) | 2014-05-27 | 2014-05-27 | Upper spacer for cylindrical lithium ion batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895539U (en) |
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2014
- 2014-05-27 CN CN201420276510.7U patent/CN203895539U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxin Economic Development Zone, Zhejiang, Huzhou Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY CO., LTD. Address before: 313100 No. 1346, Taihu Avenue, Changxing County economic and Technological Development Zone, Huzhou, Zhejiang Patentee before: Zhejiang Xinghai Energy Technology Co.,Ltd. |