CN212783599U - Explosion-proof battery cover - Google Patents
Explosion-proof battery cover Download PDFInfo
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- CN212783599U CN212783599U CN202021132458.XU CN202021132458U CN212783599U CN 212783599 U CN212783599 U CN 212783599U CN 202021132458 U CN202021132458 U CN 202021132458U CN 212783599 U CN212783599 U CN 212783599U
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses an explosion-proof battery cover, which comprises an cover plate, offer the anodal hole that is used for installing the anodal post on the apron, an explosion-proof hole that is used for installing the negative pole hole of negative pole post and is used for installing explosion-proof subassembly, explosion-proof hole runs through in the apron, explosion-proof hole includes first port, the second port and be used for communicateing the lateral wall of first port and second port, explosion-proof subassembly includes explosion-proof valve, explosion-proof piece and voltage stabilizing piece, explosion-proof piece encapsulates on first port, the voltage stabilizing piece is installed on the second port, explosion-proof piece, lateral wall and voltage stabilizing piece enclose and establish into an inclosed cavity inner chamber, explosion-proof valve is located the cavity inner chamber and is fixed in on the lateral wall. The utility model discloses an explosion-proof battery cover simple structure has improved the blasting success rate of explosion-proof valve, has improved the explosion-proof reliability of battery cover, has improved battery safety in utilization.
Description
Technical Field
The utility model relates to a lithium ion battery technical field especially relates to an explosion-proof battery cover.
Background
Explosion of the power battery can occur under the condition of thermal runaway, and certain potential safety hazard exists. In order to solve the problems, in the prior art, an explosion-proof valve is generally placed on a top cover so as to release pressure when thermal runaway occurs, and thus, the explosion risk is reduced. However, the explosion-proof valve is located inside the battery, and the internal air pressure fluctuation is caused because the battery core inside the battery can generate gas, and the explosion-proof valve is easy to cause fatigue due to the fluctuation of the air pressure, so that the explosion-proof valve is damaged and cannot be exploded in time, and the reliability is poor.
Therefore, there is a need for an explosion-proof battery cover having a simple structure and improved explosion-proof reliability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure can improve explosion-proof battery cover of explosion-proof reliability.
In order to realize the above-mentioned purpose, the utility model provides an explosion-proof battery cover, which comprises an cover plate, offer the anodal hole that is used for installing the anodal post on the apron, an explosion-proof hole that is used for installing the negative pole hole of negative pole post and is used for installing explosion-proof subassembly, explosion-proof hole runs through in the apron, explosion-proof hole includes first port, the second port and be used for communicateing the lateral wall of first port and second port, explosion-proof subassembly includes explosion-proof valve, explosion-proof piece and voltage stabilizing piece, explosion-proof piece encapsulates on first port, the voltage stabilizing piece is installed on the second port, explosion-proof piece, lateral wall and voltage stabilizing piece enclose to establish into an inclosed cavity inner chamber, explosion-proof valve is arranged in the cavity inner chamber and is fixed in on the lateral wall.
Compared with the prior art, the utility model discloses an explosion-proof battery cover has seted up anodal hole, negative pole hole and explosion-proof hole on the apron. Wherein, install the explosion-proof piece on the port in explosion-proof hole, install the voltage stabilizing piece on the other port in explosion-proof hole, explosion-proof valve is installed in explosion-proof downthehole and is located explosion-proof piece and voltage stabilizing piece. The pressure stabilizing piece is arranged, so that the gas pressure generated by the battery cell in the battery can be prevented from continuously acting on the explosion-proof valve, the explosion-proof valve is fatigue, the explosion-proof valve is easy to lose efficacy when the explosion-proof valve is fatigue, and certain potential safety hazards can exist when the explosion-proof valve fails. Therefore, the voltage stabilizing sheet is arranged below the explosion-proof valve, so that gas generated by the battery core inside the battery acts on the voltage stabilizing sheet instead of the explosion-proof valve, the explosion-proof valve can be guaranteed to be successfully exploded, and the safety performance is improved. The utility model discloses an explosion-proof battery cover simple structure has improved the blasting success rate of explosion-proof valve, has improved the explosion-proof reliability of battery cover, has improved battery safety in utilization.
Preferably, the hole diameter of the explosion-proof hole is gradually changed from large to small along one surface of the cover plate to the other surface of the cover plate. The explosion-proof hole with the gradual change structure is beneficial to the release of the pressure stabilizing piece during explosion.
Preferably, the aperture of the first port is larger than that of the second port, and the second port is communicated with the interior of the battery. The big port of the explosion-proof hole is used for installing an explosion-proof sheet, the small port of the explosion-proof hole is used for installing a voltage stabilizing sheet, and the voltage stabilizing sheet directly contacts the inside of the battery.
Preferably, still include the mounting that is used for fixed pressure stabilizing piece, the mounting includes the installation department with second port complex and along the protruding spacing portion that stretches out the installation department of first direction, the installation department is installed in second port and partly protruding stretch into explosion-proof downthehole, spacing portion butt in the terminal surface of apron. The pressure stabilizing sheet is stably arranged at the second port through the fixing piece.
Preferably, the mounting portion is provided with a through hole, and the voltage stabilizing sheet is clamped in the through hole to encapsulate the second port. Set up the through-hole on the installation department of mounting, the voltage stabilizing piece is installed in the through-hole, and simple structure can ensure that the voltage stabilizing piece can shelter from the atmospheric pressure that comes from electric core, can ensure again that the voltage stabilizing piece can remove in the through-hole under the effect of atmospheric pressure to make explosion-proof valve can blast successfully.
Preferably, the pressure stabilizing piece moves to the direction close to the explosion-proof valve along the mounting part under the action of the air pressure in the battery to separate from the mounting part, and when the hollow inner cavity is inflated to a preset air pressure value, the explosion-proof valve explodes. When the steady voltage piece slides to the installation department that breaks away from the mounting under the effect of inside atmospheric pressure, the cavity inner chamber is no longer airtight, and the atmospheric pressure that battery electricity core produced can enter into in the cavity inner chamber by explosion-proof valve perception, and when the atmospheric pressure in the middle of the inner chamber reachd the blasting value of explosion-proof valve, explosion-proof valve was detonated, simple structure, and it is safer to use.
Preferably, the fixing member is of a rubber structure or a silica gel structure. The mounting is rubber construction or silica gel structure, has certain elasticity, can fine install in the second port, block pressure stabilizing piece that again can be fine.
Preferably, the pressure stabilizer is in a hard plate-shaped structure. The pressure stabilizing piece can be a metal plate made of aluminum, copper and the like, or a hard plate made of PP material and the like, as long as the pressure stabilizing piece can be clamped in the fixing piece.
Preferably, the cover plate is further provided with a liquid injection hole. Be provided with and annotate the liquid hole, need not open the apron and can annotate the liquid, can avoid the inside electrolyte of battery to pollute utmost point ear, it is more convenient to operate.
Preferably, an insulating part is arranged between each of the positive pole and the negative pole and the cover plate. The insulating part is arranged between the pole and the cover plate, so that short circuit can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a top view of an explosion-proof battery cover according to an embodiment of the present invention.
Fig. 2 is a sectional structure schematic diagram of the explosion-proof battery cover in fig. 1.
Fig. 3 is a sectional view of the pressure-stabilizing sheet of fig. 2 taken away from the mounting portion.
Fig. 4 is a schematic cross-sectional view of the cover plate of fig. 2.
Fig. 5 is a schematic structural view of the fixing member of fig. 2.
Description of reference numerals:
100. an explosion-proof battery cover; 101. a cover plate;
10. an explosion-proof device; 11. an explosion-proof hole; 111. a first port; 112. a second port; 113. a hollow interior cavity; 114. a side wall; 12. an explosion-proof sheet; 13. an explosion-proof valve; 14. a pressure stabilizing sheet; 15. a fixing member; 151. an installation part; 152. a limiting part; 153. a through hole;
20. a positive electrode assembly; 21. a positive electrode hole; 22. a positive post; 23. a first insulating member;
30. a negative electrode assembly; 31. a negative electrode hole; 32. a negative pole post; 33. a second insulating member;
40. and a liquid injection hole.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides an explosion-proof battery cover 100, which includes a cover plate 101, wherein an explosion-proof device 10 is disposed on the cover plate 101 to increase the explosion-proof index of the cover plate 101 and prolong the service life of the cover plate 101. The explosion-proof device 10 comprises an explosion-proof hole 11, an explosion-proof sheet 12 and a pressure stabilizing sheet 14 which are arranged on the explosion-proof hole 11, and an explosion-proof valve 13 which is arranged in the explosion-proof hole 11. The cover plate 101 is provided with a positive electrode hole 21 for mounting the positive electrode post 22, a negative electrode hole 31 for mounting the negative electrode post 32, and an explosion-proof hole 11 for mounting an explosion-proof assembly. Specifically, the explosion-proof hole 11 penetrates through the cover plate 101, and the explosion-proof hole 11 includes a first port 111 located on one end surface of the cover plate 101, a second port 112 located on the other end surface of the cover plate 101, and a sidewall 114 in the explosion-proof hole 11 for connecting the first port 111 and the second port 112. The explosion-proof assembly comprises an explosion-proof valve 13, an explosion-proof sheet 12 and a pressure stabilizing sheet 14, wherein the explosion-proof sheet 12 is packaged on the first port 111, and the pressure stabilizing sheet 14 is installed on the second port 112. The explosion-proof plate 12, the side wall 114 and the pressure-stabilizing plate 14 enclose a closed hollow cavity 113, and the explosion-proof valve 13 is positioned in the hollow cavity 113 and fixed on the side wall 114. It will be appreciated that the explosion-proof valve 13 is located within the explosion-proof hole 11 and between the explosion-proof plate 12 and the pressure-stabilizing plate 14.
After the technical scheme above the adoption, the utility model discloses an explosion-proof battery cover 100 has seted up explosion-proof hole 11 on apron 101, installs explosion-proof piece 12 on the port of explosion-proof hole 11, installs voltage stabilizing piece 14 on another port of explosion-proof hole 11, and explosion-proof valve 13 is installed in explosion-proof hole 11 and is located between explosion-proof piece 12 and the voltage stabilizing piece 14. The pressure stabilizing piece 14 is arranged, so that the gas pressure generated by the battery core in the battery can be prevented from continuously acting on the explosion-proof valve 13, the explosion-proof valve 13 is fatigue, the explosion-proof valve 13 is easy to lose efficacy when being fatigue, and explosion failure is caused, and certain potential safety hazards exist in the explosion failure of the explosion-proof valve 13. The pressure stabilizing piece 14 is arranged below the explosion-proof valve 13, so that gas generated by a battery core inside the battery acts on the pressure stabilizing piece 14 instead of the explosion-proof valve 13, the explosion-proof valve 13 is positioned in a closed hollow inner cavity 113 enclosed by the explosion-proof piece 12, the side wall 114 and the pressure stabilizing piece 14, fatigue cannot be generated due to fluctuation of external air flow, and the explosion-proof valve 13 can be guaranteed to be successfully exploded when explosion is needed, so that the safety and reliability are improved. The utility model discloses an explosion-proof battery cover 100 simple structure through add the steady voltage piece 14 in explosion-proof hole 11 below, and has improved explosion success rate of explosion-proof valve 13, has improved the explosion-proof reliability of apron 101, has improved the safety in utilization of battery.
Referring to fig. 2 to 4, in some alternative embodiments, the hole diameters of the explosion-proof holes 11 are gradually changed from large to small along one surface of the cover plate 101 to the other surface of the cover plate 101, that is, the explosion-proof holes 11 are circular truncated cone holes, and the diameters of the openings at the two ends are not the same. In this embodiment, the aperture of the first port 111 is larger than that of the second port 112, after the explosion-proof battery cover 100 is mounted, the first port 111 with a large aperture is located at the outer side, i.e. at the upper end, and the second port 112 with a small aperture is communicated with the inside of the battery. Specifically, the large end of the explosion-proof hole 11 is used for installing the explosion-proof piece 12, and the explosion-proof piece 12 can be welded and fixed on the first end 111. The small end of the explosion-proof hole 11 is used for installing a voltage stabilizer 14, and the voltage stabilizer 14 is directly contacted with the inside of the battery. The explosion-proof hole 11 is of a gradual change structure, the small-end second port 112 is provided with the voltage stabilizing piece 14, the voltage stabilizing piece 14 is installed in the explosion-proof hole 11 through a fixing piece 15, the end face of the voltage stabilizing piece 14 is directly contacted with gas generated by an electric core in the battery inside the battery, and the voltage stabilizing piece 14 gradually moves towards the direction close to the explosion-proof valve 13 under the condition that the internal air pressure gradually increases. When the explosion-proof hole 11 is filled with gas, the explosion-proof valve 13 explodes, and the explosion-proof hole 11 with the gradual change structure is beneficial to generating larger impact force at the second port 112 during explosion so as to release the voltage stabilizing piece 14 out of the explosion-proof hole 11 in an impact manner, so that the voltage stabilizing piece 14 is prevented from rushing out of the battery along with the explosion of the explosion-proof piece 12, and the safety and reliability are improved.
Referring to fig. 2 to 5, in some alternative embodiments, the explosion-proof device 10 further includes a fixing member 15 for fixing the pressure-stabilizing piece 14, and the fixing member 15 includes a mounting portion 151 engaged with the second port 112 and a limiting portion 152 protruding out of the mounting portion 151 along the first direction. The mounting portion 151 and the limiting portion 152 are integrally formed, the mounting portion 151 and the limiting portion 152 are perpendicular to each other, and the cross sections of the mounting portion 151 and the limiting portion 152 are in two mutually connected L shapes. Specifically, the mounting portion 151 is mounted on the second port 112 and partially extends into the explosion-proof hole 11, and the limiting portion 152 abuts against an end surface of the cover plate 101 where the second port 112 is located. The fixing member 15 is of a rubber structure, a silicone structure, or a structure made of other soft materials. The fixing member 15 is of a soft rubber structure or a silica gel structure, so that the fixing member 15 has certain elasticity, and can be well installed on the second port 112 and well engaged with the pressure stabilizing piece 14. In this embodiment, the fixing member 15 is made of an elastic material having a certain elasticity, such as a rubber structure or a silicone structure, and the pressure-stabilizing piece 14 is made of a hard plate-shaped structure. Illustratively, the pressure stabilizer 14 may be a metal plate such as aluminum, copper, or the like, or a hard plate such as a PP material, a silica gel plate, or the like, and the bending strength of the pressure stabilizer 14 is greater than 0.5MPa and less than 1.5MPa, and the thickness thereof is 0.1mm to 10 mm. The material of the pressure stabilizer 14 is not particularly limited in the present application, and the pressure stabilizer 14 may be engaged with the fixing member 15. It will be appreciated that the first direction is perpendicular to the mounting portion 151, i.e. the radial direction of the mounting portion 151.
Referring to fig. 2 to 5, in some alternative embodiments, a through hole 153 is formed through the mounting portion 151, and the through hole 153 is disposed through the fixing member 15 in an axial direction. The pressure stabilizer 14 is engaged in the through hole 153, the mounting portion 151 is engaged in the second port 112, and the pressure stabilizer 14 is engaged with the fixing member 15 to enclose the second port 112. It can be understood that, the through hole 153 is formed in the mounting portion 151 of the fixing member 15, and the voltage stabilizing piece 14 is mounted in the through hole 153, so that not only can the voltage stabilizing piece 14 be ensured to shield the air pressure from the battery cell, but also the voltage stabilizing piece 14 can be ensured to be moved in the through hole 153 under the action of the air pressure. The fixing piece 15 is a structure made of a flexible material and can be matched with the pressure stabilizing piece 14 to seal the explosion-proof hole 11, so that the explosion-proof valve 13 in the explosion-proof hole 11 is prevented from being influenced by air pressure fluctuation generated by the battery core. In the present embodiment, the pressure stabilizer 14 moves in the direction of approaching the explosion-proof valve 13 along the mounting portion 151 by the internal gas pressure of the battery until the pressure stabilizer 14 is detached from the mounting portion 151. At this time, the hollow cavity 113 is not sealed, gas generated inside the battery can enter the explosion-proof hole 11 through the gap between the pressure stabilizing sheet 14 and the mounting portion 151, and when the air pressure in the middle cavity reaches a preset air pressure value, the explosion-proof valve 13 is detonated, and the preset air pressure value is the explosion value at which the explosion-proof valve 13 reaches detonation. It can be understood that, since the explosion-proof hole 11 is a circular truncated cone hole with a gradual change structure, i.e. the diameter of the first port 111 is larger than that of the second port 112, the mounting portion 151 is mounted in the second port 112, i.e. the diameter of the second port 112 is larger than or equal to that of the mounting portion 151, and the pressure stabilizer 14 is mounted in the through hole 153 of the mounting portion 151, i.e. the outer diameter of the mounting portion 151 is larger than that of the pressure stabilizer 14.
Referring to fig. 1 to 4, in some alternative embodiments, the cover plate 101 is provided with the positive electrode assembly 20 and the negative electrode assembly 30, and the cover plate 101 is specifically provided with the positive electrode hole 21, the negative electrode hole 31 and the electrolyte injection hole 40, and the electrolyte injection hole 40 is provided, so that electrolyte injection can be performed without opening the cover plate 101, and therefore, the tab and the like can be prevented from being polluted by electrolyte in the battery, and the operation is more convenient. Insulators are provided between the positive and negative posts 22 and 32 and the lid plate 101. Specifically, in positive post 22 installation anodal hole 21, be provided with first insulating part 23 between positive post 22 and the apron 101, negative pole post 32 is installed in negative pole hole 31, sets up second insulating part 33 between negative pole post 32 and the apron 101, and first insulating part 23 and second insulating part 33 can be the plastic insulating part, are provided with the insulating part and can avoid the short circuit.
As shown in fig. 1 to 5, the explosion-proof battery cover 100 of the present invention is suitable for a lithium-ion battery, and is provided with an explosion-proof device 10 on a cover plate 101, wherein the explosion-proof device 10 includes an explosion-proof hole 11, an explosion-proof plate 12 installed on a first port 111 of the explosion-proof hole 11, a pressure stabilizing plate 14 installed on a second port 112 of the explosion-proof hole 11, and an explosion-proof valve 13 located in the explosion-proof hole 11 and between the explosion-proof plate 12 and the pressure stabilizing plate 14. The pressure stabilizer 14 is mounted to the second port 112 via a fixing member 15 having elasticity. The pressure stabilizing piece 14 is arranged, so that the air pressure generated by the battery core inside the battery can be prevented from continuously acting on the explosion-proof valve 13, the fatigue of the explosion-proof valve 13 can be avoided, the explosion-proof valve 13 is easy to lose efficacy when being fatigued, and the explosion failure of the explosion-proof valve 13 has certain potential safety hazard. The pressure stabilizing piece 14 is arranged below the explosion-proof valve 13, so that gas generated by a battery core inside the battery acts on the pressure stabilizing piece 14 instead of the explosion-proof valve 13, the explosion-proof valve 13 is positioned in a closed hollow inner cavity 113 enclosed by the explosion-proof piece 12, the side wall 114 and the pressure stabilizing piece 14, fatigue cannot be generated due to fluctuation of external air flow, and the explosion-proof valve 13 can be guaranteed to be successfully exploded when explosion is needed, so that the safety and reliability are improved. When the air pressure acts on the pressure stabilizing sheet 14, so that the pressure stabilizing sheet 14 gradually moves to the direction close to the explosion-proof valve 13 along the mounting part 151 to enable the pressure stabilizing sheet 14 to be separated from the mounting part 151, the gas in the battery enters the hollow inner cavity 113 for mounting the explosion-proof valve 13, when the air pressure rises to the explosion value of the explosion-proof valve 13, the explosion-proof valve 13 is exploded, the explosion-proof valve 13 is smoothly exploded, and the use safety is improved. The explosion-proof battery cover 100 of the utility model has simple structure, improves the explosion success rate of the explosion-proof valve 13, improves the explosion-proof reliability of the cover plate 101 and improves the use safety of the battery by additionally arranging the pressure stabilizing piece 14 below the explosion-proof hole 11; the explosion-proof hole 11 is a truncated cone hole with a gradually-changed structure, so that the voltage stabilizing piece 14 is released into the battery from the lower second port 112 during explosion instead of being punched out of the battery along with the explosion of the explosion-proof piece 12, and the explosion-proof device is safer and more reliable.
The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.
Claims (10)
1. The utility model provides an explosion-proof battery cover, its characterized in that, includes the apron, offer the anodal hole that is used for installing the anodal post on the apron, be used for installing the negative pole hole of negative pole post and be used for installing explosion-proof subassembly's explosion-proof hole, explosion-proof hole run through in the apron, explosion-proof hole includes first port, second port and is used for the intercommunication first port with the lateral wall of second port, explosion-proof subassembly includes explosion-proof valve, explosion-proof piece and voltage stabilizing piece, explosion-proof piece encapsulate in on the first port, voltage stabilizing piece install in on the second port, explosion-proof piece the lateral wall with the voltage stabilizing piece encloses into an inclosed cavity inner chamber, explosion-proof valve is located in the cavity inner chamber and be fixed in on the lateral wall.
2. The explosion-proof battery cover according to claim 1, wherein the hole diameter of the explosion-proof hole gradually changes from large to small from one surface of the cover plate to the other surface of the cover plate.
3. The explosion-proof battery cover of claim 1 wherein the aperture of the first port is larger than the aperture of the second port, the second port communicating with the interior of the battery.
4. The explosion-proof battery cover according to claim 1, further comprising a fixing member for fixing the pressure stabilizing piece, wherein the fixing member comprises a mounting portion matched with the second port and a limiting portion protruding out of the mounting portion along a first direction, the mounting portion is mounted on the second port and partially protrudes into the explosion-proof hole, and the limiting portion abuts against the end surface of the cover plate.
5. The explosion-proof battery cover according to claim 4, wherein the mounting portion is provided with a through hole in a penetrating manner, and the pressure stabilizing piece is clamped in the through hole to encapsulate the second port.
6. The explosion-proof battery cover according to claim 4, wherein the pressure-stabilizing piece moves along the mounting portion in a direction approaching the explosion-proof valve under the action of the air pressure inside the battery until the pressure-stabilizing piece is separated from the mounting portion, and the explosion-proof valve explodes when the hollow inner cavity is inflated to a preset air pressure value.
7. The explosion proof battery cover of claim 4 wherein the securing member is of a rubber or silicone construction.
8. The explosion proof battery cover of claim 6 wherein said pressure stabilizer plate is of a rigid plate like structure.
9. The explosion-proof battery cover according to claim 1, wherein the cover plate is further provided with a liquid injection hole.
10. The explosion-proof battery cover of claim 1 wherein an insulator is disposed between each of said positive and negative posts and said cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132458.XU CN212783599U (en) | 2020-06-17 | 2020-06-17 | Explosion-proof battery cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132458.XU CN212783599U (en) | 2020-06-17 | 2020-06-17 | Explosion-proof battery cover |
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| Publication Number | Publication Date |
|---|---|
| CN212783599U true CN212783599U (en) | 2021-03-23 |
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ID=75073529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021132458.XU Active CN212783599U (en) | 2020-06-17 | 2020-06-17 | Explosion-proof battery cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN212783599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
-
2020
- 2020-06-17 CN CN202021132458.XU patent/CN212783599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
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Effective date of registration: 20220218 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 210000 249 Lantian Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |