CN210403782U - Lithium battery cover plate with good sealing performance - Google Patents
Lithium battery cover plate with good sealing performance Download PDFInfo
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- CN210403782U CN210403782U CN201921067441.8U CN201921067441U CN210403782U CN 210403782 U CN210403782 U CN 210403782U CN 201921067441 U CN201921067441 U CN 201921067441U CN 210403782 U CN210403782 U CN 210403782U
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- cover plate
- sealing performance
- lithium battery
- pole
- battery cover
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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 a lithium battery cover plate that sealing performance is good, including apron body, utmost point post, the integrative sealed insulating gasket of positive and negative, connection piece and rivet the briquetting, utmost point post respectively through riveting the briquetting setting both sides about the apron body, the connection piece be connected with the bottom of utmost point post respectively and the level is located the bottom of apron body, the integrative sealed insulating gasket setting of positive and negative both ends and lie in the neighboring of riveting the neighboring of briquetting and utmost point post and connection piece junction position at the upper and lower both ends of apron body. In this way, the utility model provides a lithium battery cover plate that sealing performance is good has optimized inner structure, and simple structure practices thrift the cost, can improve the efficiency of lithium ion battery's assembly greatly, and is sealed effectual, is provided with explosion-proof valve simultaneously and has better explosion-proof performance, and the security is high, and the explosion phenomenon when can avoiding the lithium cell to overcharge completely prolongs the life of battery greatly.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, concretely relates to lithium cell apron that sealing performance is good.
Background
In the existing battery production and processing process, the pole is a component communicating the inside and the outside of the battery in the battery, and is an essential component in the battery.
However, when the existing pole is used, the composite aluminum pole and the composite copper pole are extremely high in cost, easy to loosen after long-time use, poor in sealing effect, low in conductivity and low in safety performance, and certain inconvenience is caused to people in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a lithium cell apron that sealing performance is good, has optimized inner structure, and simple structure practices thrift the cost, can improve the efficiency of lithium ion battery's assembly greatly, and is sealed effectual, is provided with explosion-proof valve simultaneously and has better explosion-proof performance, and the security is high, and the explosion phenomenon when can avoiding the lithium cell to cross to fill completely prolongs the life of battery greatly.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a lithium battery cover plate that sealing performance is good, including apron body, utmost point post, the integrative sealed insulating gasket of positive and negative, connection piece and rivet the briquetting, utmost point post respectively through riveting the briquetting setting on the both sides of controlling of apron body, the connection piece be connected and the level lies in the bottom of apron body with the bottom of utmost point post respectively, the integrative sealed insulating gasket setting of positive and negative both ends about the apron body and lie in the neighboring of riveting the neighboring of briquetting and utmost point post and connection piece junction position.
In a preferred embodiment of the present invention, the material of the front and back integrated sealing insulating gaskets is PFA.
In a preferred embodiment of the present invention, the post comprises a positive post and a negative post, and the positive post and the negative post both adopt rivet structures.
In a preferred embodiment of the present invention, the positive electrode terminal is an all-aluminum terminal; the cathode pole is a red copper nickel plating pole or a red copper pole.
In a preferred embodiment of the present invention, the connecting piece includes a positive connecting piece and a negative connecting piece, and the positive connecting piece and the negative connecting piece are respectively disposed at the bottom of the positive pole column and the negative pole column and are riveted.
In a preferred embodiment of the present invention, the positive connecting sheet is an all-aluminum connecting sheet; the negative electrode connecting piece is a red copper or red copper nickel plating connecting piece.
In a preferred embodiment of the present invention, the connecting pieces are disposed on one side of the cover plate body in opposite directions.
In a preferred embodiment of the present invention, the lithium battery cover plate with good sealing performance further includes an explosion-proof valve, the explosion-proof valve is of a circular structure, and the explosion-proof valve is disposed on the cover plate body and located at an intermediate position between the positive electrode post and the negative electrode post.
In a preferred embodiment of the present invention, the upper end of the explosion-proof valve is further provided with a protective film.
The utility model discloses a preferred embodiment, lithium battery cover plate that sealing performance is good still include annotate liquid hole and counter bore, annotate liquid hole and counter bore all set up on the apron body.
The utility model has the advantages that: the utility model discloses a lithium cell apron that sealing performance is good has optimized inner structure, and simple structure practices thrift the cost, can improve the efficiency of lithium ion battery's assembly greatly, and is sealed effectual, is provided with explosion-proof valve simultaneously and has better explosion-proof performance, and the security is high, and the explosion phenomenon when can avoiding the lithium cell to cross to fill completely prolongs the life of battery greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a front view of a preferred embodiment of a lithium battery cover plate with good sealing performance according to the present invention;
FIG. 2 is a top view of FIG. 1;
the labels in the figures are: 1. the anti-explosion valve comprises a cover plate body, 2, a pole, 3, a front-back integrated sealing insulating gasket, 4, a riveting block, 5, a connecting sheet, 6, an anti-explosion valve, 7, a protective film, 8, a liquid injection hole, 9, a counter bore, 21, an anode pole, 22, a cathode pole, 51, an anode connecting sheet, 52 and a cathode connecting sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the embodiment of the present invention includes:
the utility model provides a lithium battery cover plate that sealing performance is good, includes apron body 1, utmost point post 2, positive and negative integrative sealing insulating gasket 3, connection piece 5 and rivets briquetting 4, utmost point post 2 respectively through riveting briquetting 4 setting on both sides about apron body 1, connection piece 5 be connected and the level is located the bottom of apron body 1 with the bottom of utmost point post 2 respectively, positive and negative integrative sealing insulating gasket 3 set up and be located the neighboring of riveting briquetting 4 and the neighboring of utmost point post 2 and 5 junction positions of connection piece at apron body 1 upper and lower both ends.
In the above, the front and back side integrated sealing insulating gasket 3 is made of PFA, and has good sealing performance. The riveting block 6 is made of metal materials and is connected with the cover plate body 1 in a riveting mode, the assembling efficiency of the lithium ion battery can be greatly improved, and the sealing effect is good.
Further, the post 2 comprises an anode post 21 and a cathode post 22, and the anode post 21 and the cathode post 22 both adopt rivet structures. The positive pole 21 is an all-aluminum pole; the cathode pole 22 is a red copper or a red copper nickel-plated pole.
The connecting piece 5 comprises a positive connecting piece 51 and a negative connecting piece 52, wherein the positive connecting piece 51 and the negative connecting piece 52 are respectively arranged at the bottoms of the positive pole post 21 and the negative pole post 22 and are connected with the cover plate body 1 in a riveting manner. The positive connecting sheet 51 is an all-aluminum connecting sheet; the negative electrode connecting piece 52 is a red copper or red copper nickel plating connecting piece.
In this embodiment, the connecting pieces 5 are respectively disposed on one side of the cover plate body 1 in opposite directions.
Still further, lithium battery cover plate that sealing performance is good still include explosion-proof valve 7, explosion-proof valve 7 be circular structure, explosion-proof valve 7 set up on apron body 1 and be located the intermediate position between anodal utmost point post 21 and the negative pole utmost point post 22. The opening pressure interval of the explosion-proof valve 7 can be adjusted, and the pressure interval can be set according to actual needs.
Explosion-proof valve 6's upper end still be provided with protection pad pasting 7, explosion-proof membrane (not seen in the picture) in explosion-proof valve 6 and protection pad pasting 7 level and smooth intact, no mar has better explosion-proof performance, the security is high, the explosion phenomenon when can avoiding the lithium cell overcharge completely.
In this embodiment, the cover plate body 1 is further provided with a liquid injection hole 8 and a counter bore 9, the liquid injection hole 8 is mainly used for injecting electrolyte of a lithium battery, and the counter bore 9 is mainly used for modifying the battery and adding the electrolyte for standby.
To sum up, the utility model discloses a lithium cell apron that sealing performance is good has optimized inner structure, and simple structure practices thrift the cost, can improve the efficiency of lithium ion battery's assembly greatly, and is sealed effectual, is provided with explosion-proof valve simultaneously and has better explosion-proof performance, and the security is high, and the explosion phenomenon when can avoiding the lithium cell overcharge completely prolongs the life of battery greatly.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a lithium battery cover plate that sealing performance is good, its characterized in that, including apron body, utmost point post, the integrative sealed insulating gasket of positive and negative, connection piece and rivet the briquetting, utmost point post respectively through riveting the briquetting setting both sides about the apron body, the connection piece be connected and the bottom that the level lies in the apron body with the bottom of utmost point post respectively, the integrative sealed insulating gasket setting of positive and negative both ends about the apron body and lie in the neighboring of riveting the neighboring of briquetting and utmost point post and connection piece junction position.
2. The lithium battery cover plate with good sealing performance as claimed in claim 1, wherein the material adopted by the front and back integrated sealing insulating gaskets is PFA.
3. The lithium battery cover plate with good sealing performance according to claim 1, wherein the pole comprises a positive pole and a negative pole, and the positive pole and the negative pole both adopt rivet structures.
4. The lithium battery cover plate with good sealing performance according to claim 3, wherein the positive electrode pole is an all-aluminum pole; the cathode pole is a red copper nickel plating pole or a red copper pole.
5. The lithium battery cover plate with good sealing performance according to claim 4, wherein the connecting piece comprises a positive connecting piece and a negative connecting piece, and the positive connecting piece and the negative connecting piece are respectively arranged at the bottoms of the positive pole and the negative pole and are connected in a riveting mode.
6. The lithium battery cover plate with good sealing performance as claimed in claim 5, wherein the positive connecting sheet is an all-aluminum connecting sheet; the negative electrode connecting piece is a red copper or red copper nickel plating connecting piece.
7. The lithium battery cover plate with good sealing performance as claimed in claim 5, wherein the connecting sheets are respectively arranged on one side of the cover plate body in opposite directions.
8. The lithium battery cover plate with good sealing performance according to claim 3, further comprising an explosion-proof valve, wherein the explosion-proof valve is of a circular structure, and is arranged on the cover plate body and located in the middle between the positive pole post and the negative pole post.
9. The lithium battery cover plate with good sealing performance as claimed in claim 8, wherein a protective film is further disposed on the upper end of the explosion-proof valve.
10. The lithium battery cover plate with good sealing performance as claimed in claim 1, wherein the lithium battery cover plate with good sealing performance further comprises a liquid injection hole and a counter bore, and the liquid injection hole and the counter bore are both arranged on the cover plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067441.8U CN210403782U (en) | 2019-07-10 | 2019-07-10 | Lithium battery cover plate with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921067441.8U CN210403782U (en) | 2019-07-10 | 2019-07-10 | Lithium battery cover plate with good sealing performance |
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| Publication Number | Publication Date |
|---|---|
| CN210403782U true CN210403782U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921067441.8U Active CN210403782U (en) | 2019-07-10 | 2019-07-10 | Lithium battery cover plate with good sealing performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473991A (en) * | 2019-07-10 | 2019-11-19 | 常熟高嘉能源科技有限公司 | A kind of lithium battery cover plate of good seal performance |
-
2019
- 2019-07-10 CN CN201921067441.8U patent/CN210403782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473991A (en) * | 2019-07-10 | 2019-11-19 | 常熟高嘉能源科技有限公司 | A kind of lithium battery cover plate of good seal performance |
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