CN216436008U - Plastic structure of lithium battery cover plate - Google Patents
Plastic structure of lithium battery cover plate Download PDFInfo
- Publication number
- CN216436008U CN216436008U CN202122758259.0U CN202122758259U CN216436008U CN 216436008 U CN216436008 U CN 216436008U CN 202122758259 U CN202122758259 U CN 202122758259U CN 216436008 U CN216436008 U CN 216436008U
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- plastic
- cover plate
- lower plastic
- hole
- liquid injection
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a plastic structure of lithium cell apron, it includes apron, lower plastic, utmost point post subassembly, goes up the plastic, and the apron is relative and establish with lower plastic, is equipped with corresponding notes liquid hole on apron and the lower plastic, still is equipped with in the notes liquid hole on the lower plastic and annotates the liquid baffle, still is equipped with the guiding gutter on the lower plastic, and guiding gutter one end communicates in annotating the liquid baffle, and the other end communicates down the plastic below. Set up the guiding gutter on the lower plastic part that the apron corresponds, the position of guiding gutter is corresponding with the position of annotating the liquid hole, makes the apron of lithium cell and the notes liquid process after the casing assembly is accomplished can be more convenient, prevents to block up or annotate the not smooth scheduling problem of liquid.
Description
Technical Field
The utility model relates to lithium battery technology field is a plastic structure of lithium cell apron particularly.
Background
The modern society has higher and higher demand for clean energy, the market of traditional fuel vehicles such as gasoline and diesel oil is more and more impacted by electric vehicles, the electric vehicles adopt large-capacity power batteries for providing energy, the power batteries can be repeatedly charged and discharged, and the lithium batteries are most widely applied due to excellent performance of the lithium batteries.
The existing lithium battery generally comprises a shell and a cover plate at the top, wherein a battery core is arranged in the shell and then communicated with an electrode on the cover plate, then the cover plate is welded at the top of the shell, electrolyte is injected into the shell, and then the shell is sealed to finish the assembly of the lithium battery. The injection of electrolyte is generally carried out after the welding assembly of completion apron, and the apron below generally is equipped with the lower plastic part that supports the apron, consequently is provided with the through-hole that is used for annotating the liquid on apron and the plastic part down, but annotate the in-process of liquid because annotate the size of liquid hole generally relatively less at the reality, very easily appear annotating the problem that the liquid is not smooth.
Disclosure of Invention
The utility model relates to a plastic structure of lithium cell apron, it sets up the guiding gutter on the lower plastic part that the apron corresponds, and the position of guiding gutter is corresponding with the position of annotating the liquid hole, makes the apron of lithium cell can be more convenient with the notes liquid process after the casing assembly is accomplished, prevents to block up or annotate the not smooth scheduling problem of liquid.
A plastic structure of a lithium battery cover plate comprises a cover plate body, lower plastic, a pole component and upper plastic.
The cover plate is arranged opposite to the lower plastic, and the lower plastic is arranged at the lower part of the cover plate; two sides of the cover plate and the lower plastic are respectively provided with a mounting hole for mounting the pole component, and the two pole components are respectively mounted in the mounting holes arranged on the cover plate and the lower plastic; the part of the pole post assembly, which penetrates out of the cover plate, is limited by the upper plastic; the cover plate and the lower plastic are provided with corresponding liquid injection holes, and liquid injection guide plates are further arranged in the liquid injection holes in the lower plastic.
The liquid injection guide plate is of an annular structure and is connected to the lower part of the liquid injection hole on the lower plastic through connecting columns which are uniformly distributed.
The lower plastic is also provided with a diversion trench, one end of the diversion trench is communicated into the liquid injection guide plate, and the other end of the diversion trench is communicated below the lower plastic.
The diversion trench is of a square groove-shaped structure.
And liquid flow passages which are uniformly distributed are arranged at the bottom and on the side wall of the flow guide groove.
An explosion-proof hole is formed in the center of the cover plate, and an explosion-proof cover plate is arranged in the explosion-proof hole; the lower plastic is provided with a through hole corresponding to the explosion-proof hole; one end of the diversion trench is communicated into the liquid injection guide plate, and the other end of the diversion trench is communicated into the through hole corresponding to the explosion-proof hole.
The tank bottom of guiding gutter and notes liquid baffle are located the coplanar.
The utility model adopts the above technical scheme have following with the effect:
this device is improved the notes liquid part on the plastic down, has add notes liquid baffle and guiding gutter part, and the apron after making the assembly is more smooth with lower plastic when annotating the liquid, annotates the liquid hole and appears blocking up or annotate the liquid when not smooth on the plastic down, and electrolyte also can continue to annotate the liquid operation in the space between the spliced pole or guiding gutter to the casing, prevents the phenomenon of electrolyte jam.
Drawings
Fig. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of the lower plastic.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 and 2 show a plastic structure of a lithium battery cover plate, which includes a cover plate 1, a lower plastic 2, a pole assembly 3, and an upper plastic 4.
The cover plate 1 and the lower plastic 2 are arranged oppositely, and the lower plastic 2 is arranged at the lower part of the cover plate 1; two sides of the cover plate 1 and the lower plastic 2 are respectively provided with a mounting hole for mounting the pole component 3, and two pole components 3 are respectively mounted in the mounting holes arranged on the cover plate 1 and the lower plastic 2; the part of the pole post component 3 which penetrates out of the cover plate 1 is limited by the upper plastic 4; the cover plate 1 and the lower plastic 2 are provided with corresponding liquid injection holes 5, and a liquid injection guide plate 501 is further arranged in the liquid injection hole 5 on the lower plastic 2.
The liquid injection guide plate 501 is of an annular structure, and the liquid injection guide plate 201 is connected to the lower part of the liquid injection hole 5 on the lower plastic 2 through connecting columns 502 which are uniformly distributed.
The lower plastic 2 is further provided with a diversion trench 6, one end of the diversion trench 6 is communicated into the liquid injection guide plate 501, and the other end of the diversion trench is communicated below the lower plastic 2.
The diversion trench 6 is of a square trench structure.
And liquid flow channels 601 which are uniformly distributed are arranged at the bottom and on the side wall of the flow guide groove 6.
An explosion-proof hole 101 is formed in the center of the cover plate 1, and an explosion-proof cover plate 102 is arranged in the explosion-proof hole; the lower plastic 2 is provided with a through hole corresponding to the explosion-proof hole 101; one end of the diversion trench 6 is communicated into the liquid injection guide plate 501, and the other end is communicated into a through hole corresponding to the explosion-proof hole 101.
The bottom of the diversion trench 6 and the liquid injection guide plate 501 are located on the same plane.
This device is at the in-process that uses, with apron, last plastic, lower plastic, utmost point post subassembly assembly completion back, form complete apron wholly, after apron integrated assembly to casing on and the welding, pour into electrolyte into in to the casing through annotating the liquid hole.
The in-process of annotating the liquid, electrolyte can have the injection mode of multiform, if annotate the downthehole emergence of annotating on the plastic down and block up or annotate the liquid when not smooth, electrolyte can enter into the casing along the space between the spliced pole in, also can flow and finally enter into inside the casing through the other open end of runner or guiding gutter on the guiding gutter on annotating the liquid baffle, and the assurance in the at utmost has annotated the smooth and easy of liquid.
Claims (7)
1. The utility model provides a plastic structure of lithium cell apron, it includes apron, lower plastic, utmost point post subassembly, goes up the plastic, its characterized in that: the cover plate is arranged opposite to the lower plastic, and the lower plastic is arranged at the lower part of the cover plate; two sides of the cover plate and the lower plastic are respectively provided with a mounting hole for mounting the pole component, and the two pole components are respectively mounted in the mounting holes arranged on the cover plate and the lower plastic; the part of the pole post assembly, which penetrates out of the cover plate, is limited by the upper plastic; the cover plate and the lower plastic are provided with corresponding liquid injection holes, and liquid injection guide plates are further arranged in the liquid injection holes in the lower plastic.
2. The plastic structure of the lithium battery cover plate as claimed in claim 1, wherein: the liquid injection guide plate is of an annular structure and is connected to the lower part of the liquid injection hole on the lower plastic through connecting columns which are uniformly distributed.
3. The plastic structure of the lithium battery cover plate as claimed in claim 2, wherein: the lower plastic is also provided with a diversion trench, one end of the diversion trench is communicated into the liquid injection guide plate, and the other end of the diversion trench is communicated below the lower plastic.
4. The plastic structure of the lithium battery cover plate as claimed in claim 3, wherein: the diversion trench is of a square trench structure.
5. The plastic structure of the lithium battery cover plate as claimed in claim 4, wherein: and liquid flow passages which are uniformly distributed are arranged at the bottom and on the side wall of the flow guide groove.
6. The plastic structure of the lithium battery cover plate as claimed in claim 5, wherein: an explosion-proof hole is formed in the center of the cover plate, and an explosion-proof cover plate is arranged in the explosion-proof hole; the lower plastic is provided with a through hole corresponding to the explosion-proof hole; one end of the diversion trench is communicated into the liquid injection guide plate, and the other end of the diversion trench is communicated into the through hole corresponding to the explosion-proof hole.
7. The plastic structure of the lithium battery cover plate as claimed in claim 6, wherein: the tank bottom of guiding gutter and notes liquid baffle are located the coplanar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758259.0U CN216436008U (en) | 2021-11-11 | 2021-11-11 | Plastic structure of lithium battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758259.0U CN216436008U (en) | 2021-11-11 | 2021-11-11 | Plastic structure of lithium battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216436008U true CN216436008U (en) | 2022-05-03 |
Family
ID=81337825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122758259.0U Active CN216436008U (en) | 2021-11-11 | 2021-11-11 | Plastic structure of lithium battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216436008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116937026A (en) * | 2023-09-15 | 2023-10-24 | 厦门海辰储能科技股份有限公司 | Lower plastic, top cover assembly and battery |
| US11984624B1 (en) | 2023-02-09 | 2024-05-14 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Lower plastic assembly, energy storage apparatus, and electric device |
-
2021
- 2021-11-11 CN CN202122758259.0U patent/CN216436008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11984624B1 (en) | 2023-02-09 | 2024-05-14 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Lower plastic assembly, energy storage apparatus, and electric device |
| CN116937026A (en) * | 2023-09-15 | 2023-10-24 | 厦门海辰储能科技股份有限公司 | Lower plastic, top cover assembly and battery |
| CN116937026B (en) * | 2023-09-15 | 2023-12-29 | 厦门海辰储能科技股份有限公司 | Lower plastic, top cover assembly and battery |
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